diff options
Diffstat (limited to 'widgets/shortcut-bar')
| -rw-r--r-- | widgets/shortcut-bar/Makefile.am | 30 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-clipped-label.c | 361 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-clipped-label.h | 90 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-group-bar.c | 1498 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-group-bar.h | 171 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-icon-bar-bg-item.c | 361 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-icon-bar-bg-item.h | 72 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-icon-bar-text-item.c | 1696 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-icon-bar-text-item.h | 158 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-icon-bar.c | 1450 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-icon-bar.h | 221 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-shortcut-bar.c | 563 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-shortcut-bar.h | 114 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-vscrolled-bar.c | 652 | ||||
| -rw-r--r-- | widgets/shortcut-bar/e-vscrolled-bar.h | 97 | ||||
| -rw-r--r-- | widgets/shortcut-bar/test-shortcut-bar.c | 445 |
16 files changed, 7979 insertions, 0 deletions
diff --git a/widgets/shortcut-bar/Makefile.am b/widgets/shortcut-bar/Makefile.am new file mode 100644 index 0000000000..c60c57e872 --- /dev/null +++ b/widgets/shortcut-bar/Makefile.am @@ -0,0 +1,30 @@ + +noinst_LIBRARIES = libshortcut-bar.a +noinst_PROGRAMS = test-shortcut-bar + +INCLUDES = \ + -DEVOLUTION_VERSION=\""$(VERSION)"\" \ + $(EXTRA_GNOME_CFLAGS) + +libshortcut_bar_a_SOURCES = \ + e-clipped-label.c \ + e-clipped-label.h \ + e-group-bar.c \ + e-group-bar.h \ + e-icon-bar-bg-item.c \ + e-icon-bar-bg-item.h \ + e-icon-bar-text-item.c \ + e-icon-bar-text-item.h \ + e-icon-bar.c \ + e-icon-bar.h \ + e-shortcut-bar.c \ + e-shortcut-bar.h \ + e-vscrolled-bar.c \ + e-vscrolled-bar.h + +test_shortcut_bar_SOURCES = \ + test-shortcut-bar.c + +test_shortcut_bar_LDADD = \ + ./libshortcut-bar.a \ + $(EXTRA_GNOME_LIBS) \ diff --git a/widgets/shortcut-bar/e-clipped-label.c b/widgets/shortcut-bar/e-clipped-label.c new file mode 100644 index 0000000000..0b595f6063 --- /dev/null +++ b/widgets/shortcut-bar/e-clipped-label.c @@ -0,0 +1,361 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * This is similar to GtkLabel but clips itself and displays '...' if it + * can't fit inside its allocated area. The intended use is for inside buttons + * that are a fixed size. The GtkLabel would normally display only the middle + * part of the text, which doesn't look very good. This only supports one line + * of text (so no wrapping/justification), without underlined characters. + */ + +#include <math.h> + +#include <gdk/gdki18n.h> +#include <libgnome/gnome-defs.h> +#include <libgnome/gnome-i18n.h> + +#include "e-clipped-label.h" + + +static void e_clipped_label_class_init (EClippedLabelClass *class); +static void e_clipped_label_init (EClippedLabel *label); +static void e_clipped_label_size_request (GtkWidget *widget, + GtkRequisition *requisition); +static void e_clipped_label_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); +static gint e_clipped_label_expose (GtkWidget *widget, + GdkEventExpose *event); +static void e_clipped_label_recalc_chars_displayed (EClippedLabel *label); + + +static GtkMiscClass *parent_class; + +/* This is the string to draw when the label is clipped, e.g. '...'. */ +static gchar *e_clipped_label_ellipsis; + +/* Flags used in chars_displayed field. Must be negative. */ +#define E_CLIPPED_LABEL_NEED_RECALC -1 +#define E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL -2 + + +GtkType +e_clipped_label_get_type (void) +{ + static GtkType e_clipped_label_type = 0; + + if (!e_clipped_label_type){ + GtkTypeInfo e_clipped_label_info = { + "EClippedLabel", + sizeof (EClippedLabel), + sizeof (EClippedLabelClass), + (GtkClassInitFunc) e_clipped_label_class_init, + (GtkObjectInitFunc) e_clipped_label_init, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + parent_class = gtk_type_class (GTK_TYPE_MISC); + e_clipped_label_type = gtk_type_unique (GTK_TYPE_MISC, + &e_clipped_label_info); + } + + return e_clipped_label_type; +} + + +static void +e_clipped_label_class_init (EClippedLabelClass *class) +{ + GtkObjectClass *object_class; + GtkWidgetClass *widget_class; + + object_class = (GtkObjectClass *) class; + widget_class = (GtkWidgetClass *) class; + + /* Method override */ + widget_class->size_request = e_clipped_label_size_request; + widget_class->size_allocate = e_clipped_label_size_allocate; + widget_class->expose_event = e_clipped_label_expose; + + e_clipped_label_ellipsis = _("..."); +} + + +static void +e_clipped_label_init (EClippedLabel *label) +{ + GTK_WIDGET_SET_FLAGS (label, GTK_NO_WINDOW); + + label->label = NULL; + label->label_wc = NULL; + label->chars_displayed = E_CLIPPED_LABEL_NEED_RECALC; +} + + +/** + * e_clipped_label_new: + * + * @text: The label text. + * @Returns: A new #EClippedLabel. + * + * Creates a new #EClippedLabel with the given text. + **/ +GtkWidget * +e_clipped_label_new (const gchar *text) +{ + GtkWidget *label; + + label = GTK_WIDGET (gtk_type_new (e_clipped_label_get_type ())); + + if (text && *text) + e_clipped_label_set_text (E_CLIPPED_LABEL (label), text); + + return label; +} + + +static void +e_clipped_label_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + EClippedLabel *label; + GdkFont *font; + + g_return_if_fail (E_IS_CLIPPED_LABEL (widget)); + g_return_if_fail (requisition != NULL); + + label = E_CLIPPED_LABEL (widget); + font = widget->style->font; + + requisition->width = 0; + requisition->height = font->ascent + font->descent + + 2 * GTK_MISC (widget)->ypad; +} + + +static void +e_clipped_label_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + EClippedLabel *label; + + label = E_CLIPPED_LABEL (widget); + + widget->allocation = *allocation; + + /* Flag that we need to recalculate how many characters to display. */ + label->chars_displayed = E_CLIPPED_LABEL_NEED_RECALC; +} + + +static gint +e_clipped_label_expose (GtkWidget *widget, + GdkEventExpose *event) +{ + EClippedLabel *label; + GtkMisc *misc; + gint x, y; + GdkFont *font; + gchar *tmp_str, tmp_ch; + + g_return_val_if_fail (E_IS_CLIPPED_LABEL (widget), FALSE); + g_return_val_if_fail (event != NULL, FALSE); + + label = E_CLIPPED_LABEL (widget); + misc = GTK_MISC (widget); + font = widget->style->font; + + /* If the label isn't visible or has no text, just return. */ + if (!GTK_WIDGET_VISIBLE (widget) || !GTK_WIDGET_MAPPED (widget) + || !label->label || (*label->label == '\0')) + return TRUE; + + /* Recalculate the number of characters displayed, if necessary. */ + if (label->chars_displayed == E_CLIPPED_LABEL_NEED_RECALC) + e_clipped_label_recalc_chars_displayed (label); + + /* + * GC Clipping + */ + gdk_gc_set_clip_rectangle (widget->style->white_gc, + &event->area); + gdk_gc_set_clip_rectangle (widget->style->fg_gc[widget->state], + &event->area); + + y = floor (widget->allocation.y + (gint)misc->ypad + + (((gint)widget->allocation.height - 2 * (gint)misc->ypad + - (gint)font->ascent - font->descent) + * misc->yalign) + 0.5) + font->ascent; + + if (label->chars_displayed == E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL) { + x = floor (widget->allocation.x + (gint)misc->xpad + + (((gint)widget->allocation.width - + (gint)label->label_width - 2 * (gint)misc->xpad) + * misc->xalign) + 0.5); + + gtk_paint_string (widget->style, widget->window, widget->state, + &event->area, widget, "label", + x, y, label->label); + } else { + x = widget->allocation.x + (gint)misc->xpad; + + tmp_ch = label->label_wc[label->chars_displayed]; + label->label_wc[label->chars_displayed] = '\0'; + tmp_str = gdk_wcstombs (label->label_wc); + if (tmp_str) { + gtk_paint_string (widget->style, widget->window, + widget->state, &event->area, + widget, "label", + x, y, tmp_str); + g_free (tmp_str); + } + label->label_wc[label->chars_displayed] = tmp_ch; + + x = widget->allocation.x + (gint)misc->xpad + + label->ellipsis_x; + gtk_paint_string (widget->style, widget->window, widget->state, + &event->area, widget, "label", + x, y, e_clipped_label_ellipsis); + } + + gdk_gc_set_clip_mask (widget->style->white_gc, NULL); + gdk_gc_set_clip_mask (widget->style->fg_gc[widget->state], NULL); + + return TRUE; +} + + +/** + * e_clipped_label_get_text: + * + * @label: An #EClippedLabel. + * @Return: The label text. + * + * Returns the label text, or NULL. + **/ +gchar* +e_clipped_label_get_text (EClippedLabel *label) +{ + g_return_val_if_fail (E_IS_CLIPPED_LABEL (label), NULL); + + return label->label; +} + + +/** + * e_clipped_label_set_text: + * + * @label: An #EClippedLabel. + * @text: The new label text. + * + * Sets the label text. + **/ +void +e_clipped_label_set_text (EClippedLabel *label, + const gchar *text) +{ + gint len; + + g_return_if_fail (E_IS_CLIPPED_LABEL (label)); + + if (label->label != text || !label->label || !text + || strcmp (label->label, text)) { + g_free (label->label); + g_free (label->label_wc); + label->label = NULL; + label->label_wc = NULL; + + if (text) { + label->label = g_strdup (text); + len = strlen (text); + label->label_wc = g_new (GdkWChar, len + 1); + label->wc_len = gdk_mbstowcs (label->label_wc, + label->label, len + 1); + label->label_wc[label->wc_len] = '\0'; + } + + /* Reset the number of characters displayed, so it is + recalculated when needed. */ + label->chars_displayed = E_CLIPPED_LABEL_NEED_RECALC; + + /* We don't queue a resize, since the label should not affect + the widget size, but we queue a draw. */ + gtk_widget_queue_draw (GTK_WIDGET (label)); + } +} + + +static void +e_clipped_label_recalc_chars_displayed (EClippedLabel *label) +{ + GdkFont *font; + gint max_width, width, ch, last_width; + + font = GTK_WIDGET (label)->style->font; + + max_width = GTK_WIDGET (label)->allocation.width + - 2 * GTK_MISC (label)->xpad; + + if (!label->label) { + label->chars_displayed = 0; + return; + } + + /* See if the entire label fits in the allocated width. */ + label->label_width = gdk_string_width (font, label->label); + if (label->label_width <= max_width) { + label->chars_displayed = E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL; + return; + } + + /* Calculate the width of the ellipsis string. */ + max_width -= gdk_string_measure (font, e_clipped_label_ellipsis); + + if (max_width <= 0) { + label->chars_displayed = 0; + label->ellipsis_x = 0; + return; + } + + /* Step through the wide-char label, adding on the widths of the + characters, until we can't fit any more in. */ + width = last_width = 0; + for (ch = 0; ch < label->wc_len; ch++) { + width += gdk_char_width_wc (font, label->label_wc[ch]); + + if (width > max_width) { + label->chars_displayed = ch; + label->ellipsis_x = last_width; + return; + } + + last_width = width; + } + + g_warning ("Clipped label width not exceeded as expected"); + label->chars_displayed = E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL; +} + diff --git a/widgets/shortcut-bar/e-clipped-label.h b/widgets/shortcut-bar/e-clipped-label.h new file mode 100644 index 0000000000..b94d261c11 --- /dev/null +++ b/widgets/shortcut-bar/e-clipped-label.h @@ -0,0 +1,90 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * This is similar to GtkLabel but clips itself and displays '...' if it + * can't fit inside its allocated area. The intended use is for inside buttons + * that are a fixed size. The GtkLabel would normally display only the middle + * part of the text, which doesn't look very good. This only supports one line + * of text (so no wrapping/justification), without underlined characters. + */ +#ifndef _E_CLIPPED_LABEL_H_ +#define _E_CLIPPED_LABEL_H_ + +#include <gtk/gtkmisc.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define E_CLIPPED_LABEL(obj) GTK_CHECK_CAST (obj, e_clipped_label_get_type (), EClippedLabel) +#define E_CLIPPED_LABEL_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, e_clipped_label_get_type (), EClippedLabelClass) +#define E_IS_CLIPPED_LABEL(obj) GTK_CHECK_TYPE (obj, e_clipped_label_get_type ()) + + +typedef struct _EClippedLabel EClippedLabel; +typedef struct _EClippedLabelClass EClippedLabelClass; + +struct _EClippedLabel +{ + GtkMisc misc; + + gchar *label; + GdkWChar *label_wc; + + /* This is the number of wide characters in the label. */ + gint wc_len; + + /* This is the width of the entire label string, in pixels. */ + gint label_width; + + /* This is the number of characters we can fit in, or + E_CLIPPED_LABEL_NEED_RECALC if it needs to be recalculated, or + E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL to show the entire label. */ + gint chars_displayed; + + /* This is the x position to display the ellipsis string, e.g. '...', + relative to the start of the label. */ + gint ellipsis_x; +}; + +struct _EClippedLabelClass +{ + GtkMiscClass parent_class; +}; + + +GtkType e_clipped_label_get_type (void); +GtkWidget* e_clipped_label_new (const gchar *text); + +gchar* e_clipped_label_get_text (EClippedLabel *label); +void e_clipped_label_set_text (EClippedLabel *label, + const gchar *text); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_CLIPPED_LABEL_H_ */ diff --git a/widgets/shortcut-bar/e-group-bar.c b/widgets/shortcut-bar/e-group-bar.c new file mode 100644 index 0000000000..603aa6f78f --- /dev/null +++ b/widgets/shortcut-bar/e-group-bar.c @@ -0,0 +1,1498 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * ShortcutBar displays a vertical bar with a number of Groups, each of which + * contains any number of icons. It is used on the left of the main application + * window so users can easily access items such as folders and files. + */ + +#include <math.h> + +#include <gnome.h> + +#include "e-group-bar.h" + +#define E_GROUP_BAR_SCROLL_TIMEOUT 10 +#define E_GROUP_BAR_MIN_STEP_SIZE 4 + +#define E_GROUP_BAR_AUTO_SHOW_TIMEOUT 300 + + +static void e_group_bar_class_init (EGroupBarClass *class); +static void e_group_bar_init (EGroupBar *group_bar); +static void e_group_bar_destroy (GtkObject *object); +static void e_group_bar_realize (GtkWidget *widget); +static void e_group_bar_unrealize (GtkWidget *widget); +static void e_group_bar_map (GtkWidget *widget); +static void e_group_bar_unmap (GtkWidget *widget); +static void e_group_bar_size_request (GtkWidget *widget, + GtkRequisition *requisition); +static void e_group_bar_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); +static gint e_group_bar_expose (GtkWidget *widget, + GdkEventExpose *event); +static void e_group_bar_draw (GtkWidget *widget, + GdkRectangle *area); +static void e_group_bar_add (GtkContainer *container, + GtkWidget *widget); +static void e_group_bar_remove (GtkContainer *container, + GtkWidget *widget); +static void e_group_bar_forall (GtkContainer *container, + gboolean include_internals, + GtkCallback callback, + gpointer callback_data); + +static void e_group_bar_create_group_button_window (EGroupBar *group_bar, + gint group_num); +static void e_group_bar_create_group_child_window (EGroupBar *group_bar, + gint group_num); +static gint e_group_bar_get_group_button_position (EGroupBar *group_bar, + gint group_num); +static gint e_group_bar_sum_button_heights (EGroupBar *group_bar, + gint first, + gint last); +static gint e_group_bar_get_child_height (EGroupBar *group_bar); +static gint e_group_bar_get_group_child_position (EGroupBar *group_bar, + gint group_num); + +static void e_group_bar_on_button_clicked (GtkWidget *group_button, + EGroupBar *group_bar); +static gint e_group_bar_find_button (EGroupBar *group_bar, + GtkWidget *group_button); +static void e_group_bar_start_animation (EGroupBar *group_bar, + gint group_num); +static gboolean e_group_bar_timeout_handler (gpointer data); +static gint e_group_bar_get_increment (EGroupBar *group_bar, + gint window_y, + gint window_target_y); +static gboolean e_group_bar_on_button_drag_motion (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EGroupBar *group_bar); +static void e_group_bar_on_button_drag_leave (GtkWidget *widget, + GdkDragContext *context, + guint time, + EGroupBar *group_bar); +static gboolean e_group_bar_auto_show (gpointer data); +static void e_group_bar_stop_all_animation (EGroupBar *group_bar); + + +static GtkContainerClass *parent_class; + + +GtkType +e_group_bar_get_type (void) +{ + static GtkType e_group_bar_type = 0; + + if (!e_group_bar_type){ + GtkTypeInfo e_group_bar_info = { + "EGroupBar", + sizeof (EGroupBar), + sizeof (EGroupBarClass), + (GtkClassInitFunc) e_group_bar_class_init, + (GtkObjectInitFunc) e_group_bar_init, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + parent_class = gtk_type_class (GTK_TYPE_CONTAINER); + e_group_bar_type = gtk_type_unique (GTK_TYPE_CONTAINER, + &e_group_bar_info); + } + + return e_group_bar_type; +} + + +static void +e_group_bar_class_init (EGroupBarClass *class) +{ + GtkObjectClass *object_class; + GtkWidgetClass *widget_class; + GtkContainerClass *container_class; + + object_class = (GtkObjectClass *) class; + widget_class = (GtkWidgetClass *) class; + container_class = (GtkContainerClass *) class; + + /* Method override */ + object_class->destroy = e_group_bar_destroy; + + widget_class->realize = e_group_bar_realize; + widget_class->unrealize = e_group_bar_unrealize; + widget_class->map = e_group_bar_map; + widget_class->unmap = e_group_bar_unmap; + widget_class->size_request = e_group_bar_size_request; + widget_class->size_allocate = e_group_bar_size_allocate; + widget_class->expose_event = e_group_bar_expose; + widget_class->draw = e_group_bar_draw; + + container_class->add = e_group_bar_add; + container_class->remove = e_group_bar_remove; + container_class->forall = e_group_bar_forall; +} + + +static void +e_group_bar_init (EGroupBar *group_bar) +{ + + GTK_WIDGET_UNSET_FLAGS (group_bar, GTK_NO_WINDOW); + + /* We don't want child resizes to propagate up to the parent. */ + gtk_container_set_resize_mode (GTK_CONTAINER (group_bar), + GTK_RESIZE_QUEUE); + + group_bar->children = g_array_new (FALSE, FALSE, + sizeof (EGroupBarChild)); + + group_bar->current_group_num = -1; + group_bar->buttons_homogeneous = TRUE; + group_bar->max_button_height = 0; + group_bar->animation_timeout_id = 0; +} + + +/** + * e_group_bar_new: + * @Returns: a new #EGroupBar. + * + * Creates a new #EGroupBar. + **/ +GtkWidget * +e_group_bar_new (void) +{ + GtkWidget *group_bar; + + group_bar = GTK_WIDGET (gtk_type_new (e_group_bar_get_type ())); + + return group_bar; +} + + +static void +e_group_bar_destroy (GtkObject *object) +{ + EGroupBar *group_bar; + + group_bar = E_GROUP_BAR (object); + + e_group_bar_stop_all_animation (group_bar); + + /* The parent GtkContainer class will automatically destroy all the + child widgets, but it calls gtk_container_foreach() so we must not + destroy our children array until after. */ + GTK_OBJECT_CLASS (parent_class)->destroy (object); + + g_array_free (group_bar->children, TRUE); +} + + +static void +e_group_bar_realize (GtkWidget *widget) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + GdkWindowAttr attributes; + gint attributes_mask; + gint border_width, group_num; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_GROUP_BAR (widget)); + + group_bar = E_GROUP_BAR (widget); + GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); + + border_width = GTK_CONTAINER (group_bar)->border_width; + + attributes.window_type = GDK_WINDOW_CHILD; + attributes.x = widget->allocation.x + border_width; + attributes.y = widget->allocation.y + border_width; + attributes.width = widget->allocation.width - 2 * border_width; + attributes.height = widget->allocation.height - 2 * border_width; + attributes.wclass = GDK_INPUT_OUTPUT; + attributes.visual = gtk_widget_get_visual (widget); + attributes.colormap = gtk_widget_get_colormap (widget); + attributes.event_mask = gtk_widget_get_events (widget); + attributes.event_mask |= (GDK_EXPOSURE_MASK); + + attributes_mask = GDK_WA_X | GDK_WA_Y + | GDK_WA_VISUAL | GDK_WA_COLORMAP; + + widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), + &attributes, attributes_mask); + gdk_window_set_user_data (widget->window, widget); + + widget->style = gtk_style_attach (widget->style, widget->window); + gtk_style_set_background (widget->style, widget->window, + GTK_STATE_NORMAL); + + gdk_window_set_back_pixmap (widget->window, NULL, TRUE); + + /* Create windows for all the buttons & group canvases. */ + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + e_group_bar_create_group_button_window (group_bar, group_num); + e_group_bar_create_group_child_window (group_bar, group_num); + } +} + + +static void +e_group_bar_unrealize (GtkWidget *widget) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_GROUP_BAR (widget)); + + group_bar = E_GROUP_BAR (widget); + + /* Destroy the windows for all the buttons & group canvases. */ + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->button_window) { + gdk_window_set_user_data (group->button_window, NULL); + gdk_window_destroy (group->button_window); + group->button_window = NULL; + } + if (group->child_window) { + gdk_window_set_user_data (group->child_window, NULL); + gdk_window_destroy (group->child_window); + group->child_window = NULL; + } + } + + if (GTK_WIDGET_CLASS (parent_class)->unrealize) + (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); +} + + +static void +e_group_bar_map (GtkWidget *widget) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_GROUP_BAR (widget)); + + group_bar = E_GROUP_BAR (widget); + + GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); + + /* We do this in reverse order, and lower all the child windows, so + the stacking order ends up correct. */ + for (group_num = group_bar->children->len - 1; + group_num >= 0; + group_num--) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->button_window) { + gdk_window_show (group->button_window); + } + + if (group->button + && GTK_WIDGET_VISIBLE (group->button) + && !GTK_WIDGET_MAPPED (group->button)) { + gtk_widget_map (group->button); + } + + if (group->child_window) { + gdk_window_show (group->child_window); + gdk_window_lower (group->child_window); + } + + if (group->child + && GTK_WIDGET_VISIBLE (group->child) + && !GTK_WIDGET_MAPPED (group->child)) + gtk_widget_map (group->child); + } + + gdk_window_show (widget->window); +} + + +static void +e_group_bar_unmap (GtkWidget *widget) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_GROUP_BAR (widget)); + + group_bar = E_GROUP_BAR (widget); + + GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED); + + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->button_window) { + gdk_window_hide (group->button_window); + } + + if (group->button + && GTK_WIDGET_MAPPED (group->button)) + gtk_widget_unmap (group->button); + + if (group->child_window) { + gdk_window_hide (group->child_window); + } + + if (group->child + && GTK_WIDGET_MAPPED (group->child)) + gtk_widget_unmap (group->child); + } + + gdk_window_hide (widget->window); +} + + +static void +e_group_bar_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num, max_child_height; + GtkRequisition child_requisition; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_GROUP_BAR (widget)); + g_return_if_fail (requisition != NULL); + + group_bar = E_GROUP_BAR (widget); + + /* We set the requisition width to the largest requested width of the + child widgets. The requisition height is set to the sum of all the + button heights plus the height of the largest child. */ + requisition->width = 0; + requisition->height = 0; + + /* We have to call size_request on all children, even though we don't + use the results, since some widgets like GtkLabel depend on it. */ + group_bar->max_button_height = 0; + max_child_height = 0; + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->button) { + gtk_widget_size_request (group->button, + &child_requisition); + group->button_height = child_requisition.height; + } else { + group->button_height = 0; + } + + group_bar->max_button_height = MAX (group_bar->max_button_height, group->button_height); + requisition->height += child_requisition.height; + + if (group->child) { + gtk_widget_size_request (group->child, + &child_requisition); + max_child_height = MAX (max_child_height, + child_requisition.height); + requisition->width = MAX (requisition->width, + child_requisition.width); + } + } + + requisition->height += max_child_height; + + /* Add on the standard container border widths. */ + requisition->width += GTK_CONTAINER (widget)->border_width * 2; + requisition->height += GTK_CONTAINER (widget)->border_width * 2; +} + + +static void +e_group_bar_size_allocate (GtkWidget *widget, GtkAllocation *allocation) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num, border_width, width, height, child_height, y; + GtkAllocation button_allocation, child_allocation; + + group_bar = E_GROUP_BAR (widget); + + /* All child & button windows and widgets use the same width as the + group bar minus the border width. */ + border_width = GTK_CONTAINER (widget)->border_width; + width = allocation->width - border_width * 2; + height = allocation->height - border_width * 2; + + widget->allocation = *allocation; + if (GTK_WIDGET_REALIZED (widget)) + gdk_window_move_resize (widget->window, + allocation->x + border_width, + allocation->y + border_width, + width, height); + + /* All the child widgets use the same height. */ + child_height = e_group_bar_get_child_height (group_bar); + + /* The buttons are always in the top-left of the button windows, and + all have the same width. The height is calculated for each group. */ + button_allocation.x = 0; + button_allocation.y = 0; + button_allocation.width = width; + + /* The child widgets are always in the top-left of the child windows, + and all have the same width and height. */ + child_allocation.x = 0; + child_allocation.y = 0; + child_allocation.width = width; + child_allocation.height = child_height; + + /* Step through the groups, placing the windows as necessary, and + allocating the areas for the child widgets. Note that if a button + or child window is in the middle of an animation, we just resize it + and update the target position, and let the animation continue. */ + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + /* Calculate the y position of the button, which depends on + the currently selected group and the button heights. */ + y = e_group_bar_get_group_button_position (group_bar, group_num); + button_allocation.height = group_bar->buttons_homogeneous ? group_bar->max_button_height : group->button_height; + + if (GTK_WIDGET_REALIZED (group->button)) { + if (group->button_window_in_animation) { + gdk_window_resize (group->button_window, + width, button_allocation.height); + group->button_window_target_y = y; + } else { + gdk_window_move_resize (group->button_window, + 0, y, width, button_allocation.height); + } + } + gtk_widget_size_allocate (group->button, &button_allocation); + + if (GTK_WIDGET_REALIZED (group->child)) { + if (group->child_window_in_animation) { + gdk_window_resize (group->child_window, + width, child_height); + group->child_window_target_y = y + button_allocation.height; + } else { + gdk_window_move_resize (group->child_window, + 0, y + button_allocation.height, + width, child_height); + } + } + gtk_widget_size_allocate (group->child, &child_allocation); + } +} + + +static gint +e_group_bar_expose (GtkWidget *widget, + GdkEventExpose *event) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + GdkEventExpose child_event; + gint group_num; + + g_return_val_if_fail (widget != NULL, FALSE); + g_return_val_if_fail (E_IS_GROUP_BAR (widget), FALSE); + g_return_val_if_fail (event != NULL, FALSE); + + if (GTK_WIDGET_DRAWABLE (widget)) { + group_bar = E_GROUP_BAR (widget); + + child_event = *event; + + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (event->window == group->button_window + && GTK_WIDGET_DRAWABLE (group->button) + && GTK_WIDGET_NO_WINDOW (group->button) + && gtk_widget_intersect (group->button, &event->area, &child_event.area)) + gtk_widget_event (group->button, (GdkEvent*) &child_event); + + if (event->window == group->child_window + && GTK_WIDGET_DRAWABLE (group->child) + && GTK_WIDGET_NO_WINDOW (group->child) + && gtk_widget_intersect (group->child, &event->area, &child_event.area)) + gtk_widget_event (group->child, (GdkEvent*) &child_event); + } + } + + return FALSE; +} + + +static void +e_group_bar_draw (GtkWidget *widget, + GdkRectangle *area) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num; +#if 0 + GdkRectangle child_area; +#endif + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_GROUP_BAR (widget)); + + g_print ("In e_group_bar_draw %i,%i %ix%i\n", area->x, area->y, + area->width, area->height); + + if (GTK_WIDGET_DRAWABLE (widget)) { + group_bar = E_GROUP_BAR (widget); + + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + /* FIXME */ +#if 0 + if (GTK_WIDGET_DRAWABLE (child->widget) && + gtk_widget_intersect (child->widget, area, &child_area)) + gtk_widget_draw (child->widget, &child_area); +#endif + } + } +} + + +static void +e_group_bar_add (GtkContainer *container, + GtkWidget *widget) +{ + EGroupBar *group_bar; + GtkWidget *button; + gchar buffer[32]; + + g_return_if_fail (container != NULL); + g_return_if_fail (E_IS_GROUP_BAR (container)); + g_return_if_fail (widget != NULL); + + g_snprintf (buffer, sizeof (buffer), _("Group %i"), + group_bar->children->len + 1); + button = gtk_button_new_with_label (buffer); + gtk_widget_show (button); + + e_group_bar_add_group (group_bar, widget, button, -1); +} + + +static void +e_group_bar_remove (GtkContainer *container, + GtkWidget *widget) +{ + EGroupBar *group_bar; + gint group_num; + + g_return_if_fail (container != NULL); + g_return_if_fail (E_IS_GROUP_BAR (container)); + g_return_if_fail (widget != NULL); + + group_bar = E_GROUP_BAR (container); + + group_num = e_group_bar_get_group_num (group_bar, widget); + e_group_bar_remove_group (group_bar, group_num); +} + + +static void +e_group_bar_forall (GtkContainer *container, + gboolean include_internals, + GtkCallback callback, + gpointer callback_data) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num; + GList *tmp_list; + + g_return_if_fail (container != NULL); + g_return_if_fail (E_IS_GROUP_BAR (container)); + g_return_if_fail (callback != NULL); + + group_bar = E_GROUP_BAR (container); + + /* Note that drag-and-drop does not check the Z-order of widgets, so + we have to iterate through them from top to bottom, or it will + not work properly. We also have to use temporary lists so widgets + can be safely destroyed while iterating. */ + + if (include_internals) { + tmp_list = NULL; + for (group_num = group_bar->children->len - 1; + group_num >= 0; + group_num--) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->button) + tmp_list = g_list_prepend (tmp_list, + group->button); + } + + g_list_foreach (tmp_list, (GFunc) callback, callback_data); + g_list_free (tmp_list); + } + + tmp_list = NULL; + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->child) + tmp_list = g_list_prepend (tmp_list, group->child); + } + g_list_foreach (tmp_list, (GFunc) callback, callback_data); + g_list_free (tmp_list); +} + + +static void +e_group_bar_create_group_button_window (EGroupBar *group_bar, + gint group_num) +{ + EGroupBarChild *group; + GtkWidget *widget; + GdkWindowAttr attributes; + gint attributes_mask; + gint y, height, border_width; + + widget = GTK_WIDGET (group_bar); + + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + y = e_group_bar_get_group_button_position (group_bar, group_num); + height = group_bar->buttons_homogeneous ? group_bar->max_button_height + : group->button_height; + border_width = GTK_CONTAINER (group_bar)->border_width; + + attributes.window_type = GDK_WINDOW_CHILD; + attributes.x = 0; + attributes.y = y; + attributes.width = widget->allocation.width - 2 * border_width; + attributes.height = height; + attributes.wclass = GDK_INPUT_OUTPUT; + attributes.visual = gtk_widget_get_visual (widget); + attributes.colormap = gtk_widget_get_colormap (widget); + attributes.event_mask = gtk_widget_get_events (widget); + attributes.event_mask |= (GDK_EXPOSURE_MASK); + + attributes_mask = GDK_WA_X | GDK_WA_Y + | GDK_WA_VISUAL | GDK_WA_COLORMAP; + + group->button_window = gdk_window_new (widget->window, &attributes, + attributes_mask); + gdk_window_set_user_data (group->button_window, widget); + + gtk_widget_set_parent_window (group->button, + group->button_window); + gdk_window_set_back_pixmap (group->button_window, NULL, TRUE); +} + + +static void +e_group_bar_create_group_child_window (EGroupBar *group_bar, + gint group_num) +{ + EGroupBarChild *group; + GtkWidget *widget; + GdkWindowAttr attributes; + gint attributes_mask; + gint y, height, border_width; + + widget = GTK_WIDGET (group_bar); + + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + y = e_group_bar_get_group_button_position (group_bar, group_num); + y += group_bar->buttons_homogeneous ? group_bar->max_button_height + : group->button_height; + height = e_group_bar_get_child_height (group_bar); + border_width = GTK_CONTAINER (group_bar)->border_width; + + attributes.window_type = GDK_WINDOW_CHILD; + attributes.x = 0; + attributes.y = y; + attributes.width = widget->allocation.width - 2 * border_width; + attributes.height = height; + attributes.wclass = GDK_INPUT_OUTPUT; + attributes.visual = gtk_widget_get_visual (widget); + attributes.colormap = gtk_widget_get_colormap (widget); + attributes.event_mask = gtk_widget_get_events (widget); + attributes.event_mask |= (GDK_EXPOSURE_MASK); + + attributes_mask = GDK_WA_X | GDK_WA_Y + | GDK_WA_VISUAL | GDK_WA_COLORMAP; + + group->child_window = gdk_window_new (widget->window, &attributes, + attributes_mask); + gdk_window_set_user_data (group->child_window, widget); + + gtk_widget_set_parent_window (GTK_WIDGET (group->child), + group->child_window); + gdk_window_set_back_pixmap (group->child_window, NULL, TRUE); +} + + +/* This returns the y position of a group's button within the EGroupBar window. + */ +static gint +e_group_bar_get_group_button_position (EGroupBar *group_bar, + gint group_num) +{ + gint border_width, window_height, y; + + border_width = GTK_CONTAINER (group_bar)->border_width; + window_height = GTK_WIDGET (group_bar)->allocation.height - 2 * border_width; + + if (group_num <= group_bar->current_group_num) + y = e_group_bar_sum_button_heights (group_bar, 0, group_num - 1); + else + y = window_height - e_group_bar_sum_button_heights (group_bar, group_num, group_bar->children->len - 1); + + return y; +} + + +/* This returns the sum of all the buttons from first to last inclusive. */ +static gint +e_group_bar_sum_button_heights (EGroupBar *group_bar, gint first, gint last) +{ + EGroupBarChild *group; + gint height, group_num; + + height = 0; + + if (group_bar->buttons_homogeneous) + return (last - first + 1) * group_bar->max_button_height; + + for (group_num = first; group_num <= last; group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + height += group->button_height; + } + + return height; +} + + +static gint +e_group_bar_get_group_child_position (EGroupBar *group_bar, + gint group_num) +{ + EGroupBarChild *group; + gint y; + + y = e_group_bar_get_group_button_position (group_bar, group_num); + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + y += group_bar->buttons_homogeneous ? group_bar->max_button_height + : group->button_height; + + return y; +} + + +static gint +e_group_bar_get_child_height (EGroupBar *group_bar) +{ + EGroupBarChild *group; + gint group_num; + + /* Start with the allocated height of the EGroupBar, less the border.*/ + group_bar->child_height = GTK_WIDGET (group_bar)->allocation.height; + group_bar->child_height -= 2 * GTK_CONTAINER (group_bar)->border_width; + + /* Now subtract the heights of all the buttons. */ + if (group_bar->buttons_homogeneous) { + group_bar->child_height -= group_bar->children->len * group_bar->max_button_height; + } else { + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + group_bar->child_height -= group->button_height; + } + } + + return group_bar->child_height; +} + + +/* + * Insertion, reordering and deletion of items. + */ + +/** + * e_group_bar_add_group: + * @group_bar: an #EGroupBar. + * @child: the child widget to add. + * @button: the button used to show the child widget. + * @position: the new group's position, or -1 to place it last. + * @Returns: the position of the new group. + * + * Adds a new group to a #EGroupBar at the given position. + **/ +gint +e_group_bar_add_group (EGroupBar *group_bar, + GtkWidget *child, + GtkWidget *button, + gint position) +{ + EGroupBarChild *group, empty_group, *tmp_group; + gint group_num, tmp_group_num; + + g_return_val_if_fail (group_bar != NULL, -1); + g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), -1); + g_return_val_if_fail (child != NULL, -1); + g_return_val_if_fail (button != NULL, -1); + g_return_val_if_fail (GTK_IS_BUTTON (button), -1); + + /* Append an empty group to the children array and get a pointer to + it, so we can use it like a normal group. */ + group_num = group_bar->children->len; + g_array_append_val (group_bar->children, empty_group); + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + /* Initialize the group. */ + group->button = button; + group->button_window = NULL; + group->child = child; + group->child_window = NULL; + group->button_window_in_animation = FALSE; + group->child_window_in_animation = FALSE; + group->button_window_target_y = 0; + group->child_window_target_y = 0; + + /* If we don't have a current group, set it to the first one. */ + if (group_bar->current_group_num == -1) + group_bar->current_group_num = 0; + + /* If the EGroupBar widget is realize, we need to create the child + windows to put the button & child in. */ + if (GTK_WIDGET_REALIZED (group_bar)) { + e_group_bar_create_group_button_window (group_bar, group_num); + e_group_bar_create_group_child_window (group_bar, group_num); + + /* We need to lower all the child windows of the previous + groups, in reverse order, to keep the stacking order + correct. */ + for (tmp_group_num = group_num - 1; + tmp_group_num >= 0; + tmp_group_num--) { + tmp_group = &g_array_index (group_bar->children, + EGroupBarChild, + tmp_group_num); + gdk_window_lower (group->child_window); + } + } + + gtk_widget_set_parent (group->button, GTK_WIDGET (group_bar)); + gtk_widget_set_parent (group->child, GTK_WIDGET (group_bar)); + + if (GTK_WIDGET_REALIZED (group_bar)) { + gtk_widget_realize (group->button); + gtk_widget_realize (group->child); + } + + if (GTK_WIDGET_VISIBLE (group_bar) + && GTK_WIDGET_MAPPED (group_bar)) { + if (group->button + && GTK_WIDGET_VISIBLE (group->button) + && !GTK_WIDGET_MAPPED (group->button)) { + gtk_widget_map (group->button); + gtk_widget_queue_resize (group->button); + } + if (group->child + && GTK_WIDGET_VISIBLE (group->child) + && !GTK_WIDGET_MAPPED (group->child)) { + gtk_widget_map (group->child); + gtk_widget_queue_resize (group->child); + } + } + + gtk_signal_connect (GTK_OBJECT (group->button), "clicked", + GTK_SIGNAL_FUNC (e_group_bar_on_button_clicked), + group_bar); + + gtk_signal_connect (GTK_OBJECT (group->button), "drag_motion", + GTK_SIGNAL_FUNC (e_group_bar_on_button_drag_motion), + group_bar); + gtk_signal_connect (GTK_OBJECT (group->button), "drag_leave", + GTK_SIGNAL_FUNC (e_group_bar_on_button_drag_leave), + group_bar); + + return group_num; +} + + +/** + * e_group_bar_reorder_group: + * @group_bar: an #EGroupBar. + * @group_num: the index of the group to move. + * @new_position: the new position of the group. + * + * Moves a group to a new position within the #EGroupBar. + **/ +void +e_group_bar_reorder_group (EGroupBar *group_bar, + gint group_num, + gint new_position) +{ + g_return_if_fail (E_IS_GROUP_BAR (group_bar)); + +} + + +/** + * e_group_bar_remove_group: + * @group_bar: an #EGroupBar. + * @group_num: the index of the group to remove. + * + * Removes a group from an #EGroupBar. + **/ +void +e_group_bar_remove_group (EGroupBar *group_bar, + gint group_num) +{ + EGroupBarChild *group; + + g_return_if_fail (E_IS_GROUP_BAR (group_bar)); + g_return_if_fail (group_num >= 0); + g_return_if_fail (group_num < group_bar->children->len); + + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + /* Stop any animation. */ + e_group_bar_stop_all_animation (group_bar); + + gtk_widget_unparent (group->child); + if (group->button) + gtk_widget_unparent (group->button); + + if (group->button_window) { + gdk_window_set_user_data (group->button_window, NULL); + gdk_window_destroy (group->button_window); + } + if (group->child_window) { + gdk_window_set_user_data (group->child_window, NULL); + gdk_window_destroy (group->child_window); + } + + g_array_remove_index (group_bar->children, group_num); + + /* Make sure the current group is valid. */ + if (group_bar->current_group_num >= group_bar->children->len) + group_bar->current_group_num = group_bar->children->len - 1; + + gtk_widget_queue_resize (GTK_WIDGET (group_bar)); +} + + +/* + * Getting & setting the current group. + */ + +/** + * e_group_bar_get_current_group_num: + * @group_bar: an #EGroupBar. + * @Returns: the index of the group currently displayed. + * + * Returns the index of the group currently displayed. + **/ +gint +e_group_bar_get_current_group_num (EGroupBar *group_bar) +{ + g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), -1); + + return group_bar->current_group_num; +} + + +/** + * e_group_bar_set_current_group_num: + * @group_bar: an #EGroupBar. + * @Returns: the index of the group to display. + * + * Sets the group to display. + **/ +/* FIXME: animate option? May want to set group without animation. */ +void +e_group_bar_set_current_group_num (EGroupBar *group_bar, + gint group_num) +{ + g_return_if_fail (E_IS_GROUP_BAR (group_bar)); + + /* If that already is the current group, just return. */ + if (group_bar->current_group_num == group_num) + return; + + /* FIXME: Set the target positions of the old current group and the + new current group, map the new group's child window, and create the + animation timeout, if we haven't already got one. */ + + group_bar->current_group_num = group_num; + +} + + +/* + * Getting groups and group numbers. + */ + +/** + * e_group_bar_get_nth_group: + * @group_bar: an #EGroupBar. + * @group_num: the index of the group to get. + * @Returns: the child widget at the given index. + * + * Returns the child widget at the given index. + **/ +GtkWidget* +e_group_bar_get_nth_group (EGroupBar *group_bar, + gint group_num) +{ + EGroupBarChild *group; + + g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), NULL); + g_return_val_if_fail (group_num >= 0, NULL); + g_return_val_if_fail (group_num < group_bar->children->len, NULL); + + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + return group->child; +} + + +/** + * e_group_bar_get_group_num: + * @group_bar: an #EGroupBar. + * @child: the child widget to find. + * @Returns: the index of the group containing the given widget. + * + * Returns the index of the group containing the given child widget. + **/ +gint +e_group_bar_get_group_num (EGroupBar *group_bar, + GtkWidget *child) +{ + EGroupBarChild *group; + gint group_num; + + g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), -1); + g_return_val_if_fail (child != NULL, -1); + + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->child == child) + return group_num; + } + + return -1; +} + + +/** + * e_group_bar_set_group_button_label: + * @group_bar: an #EGroupBar. + * @group_num: the index of the group. + * @label: the label widget to place in the group's button. + * + * Sets the label widget for the given group's button, replacing any existing + * widget in the button. + **/ +void +e_group_bar_set_group_button_label (EGroupBar *group_bar, + gint group_num, + GtkWidget *label) +{ + EGroupBarChild *group; + GtkWidget *button_child; + + g_return_if_fail (E_IS_GROUP_BAR (group_bar)); + g_return_if_fail (group_num >= 0); + g_return_if_fail (group_num < group_bar->children->len); + + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + button_child = GTK_BIN (group->button)->child; + if (button_child) { + gtk_container_remove (GTK_CONTAINER (group->button), + button_child); + } + + if (label) + gtk_container_add (GTK_CONTAINER (group->button), label); +} + + +/* + * Getting & setting the EGroupBar options. + */ + +/** + * e_group_bar_get_buttons_homogeneous: + * @group_bar: an #EGroupBar. + * @Returns: TRUE if the buttons are homoegeneous. + * + * Returns TRUE if the buttons are homogeneous (i.e. all have the same height). + **/ +gboolean +e_group_bar_get_buttons_homogeneous (EGroupBar *group_bar) +{ + g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), TRUE); + + return group_bar->buttons_homogeneous; +} + + +/** + * e_group_bar_set_buttons_homogeneous: + * @group_bar: an #EGroupBar. + * @homogeneous: TRUE if the buttons should be homoegeneous. + * + * Specifies whether the buttons should be homogeneous. When set to TRUE all + * the group buttons will be set to the same height (equal to the largest + * requested height). When set to FALSE the buttons will use their own + * individual requested heights. + **/ +void +e_group_bar_set_buttons_homogeneous (EGroupBar *group_bar, + gboolean homogeneous) +{ + g_return_if_fail (E_IS_GROUP_BAR (group_bar)); + + /* Just return if the setting hasn't changed. */ + if (group_bar->buttons_homogeneous == homogeneous) + return; + + group_bar->buttons_homogeneous = homogeneous; + + /* Update the position & sizes of the buttons. */ + gtk_widget_queue_resize (GTK_WIDGET (group_bar)); +} + + +static void +e_group_bar_on_button_clicked (GtkWidget *group_button, + EGroupBar *group_bar) +{ + gint group_num; + + /* Determine which group button was clicked. */ + group_num = e_group_bar_find_button (group_bar, group_button); + + if (group_num != -1) + e_group_bar_start_animation (group_bar, group_num); +} + + +/* This returns the group containing the given button, or -1 if not found. */ +static gint +e_group_bar_find_button (EGroupBar *group_bar, + GtkWidget *group_button) +{ + EGroupBarChild *group; + gint group_num; + + /* Determine which group button was clicked. */ + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + if (group->button == group_button) + return group_num; + } + + return -1; +} + + +static void +e_group_bar_start_animation (EGroupBar *group_bar, + gint group_num) +{ + EGroupBarChild *group, *old_group; + gint old_group_num, step; + + old_group_num = group_bar->current_group_num; + + /* Return if it is already the current group. */ + if (old_group_num == group_num) + return; + + group_bar->current_group_num = group_num; + + /* Calculate the target y position of the new current group button + and child, and map the child. */ + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + group->button_window_target_y = e_group_bar_get_group_button_position (group_bar, group_num); + group->button_window_in_animation = TRUE; + + group->child_window_target_y = e_group_bar_get_group_child_position (group_bar, group_num); + group->child_window_in_animation = TRUE; + + /* Calculate the target y position of the current group button and + child. */ + old_group = &g_array_index (group_bar->children, + EGroupBarChild, old_group_num); + old_group->button_window_target_y = e_group_bar_get_group_button_position (group_bar, old_group_num); + old_group->button_window_in_animation = TRUE; + + old_group->child_window_target_y = e_group_bar_get_group_child_position (group_bar, old_group_num); + old_group->child_window_in_animation = TRUE; + + /* We also need to animate the buttons in between the old group and the + new group. */ + step = (old_group_num < group_num) ? 1 : -1; + old_group_num += step; + while (old_group_num != group_num) { + old_group = &g_array_index (group_bar->children, + EGroupBarChild, old_group_num); + old_group->button_window_target_y = e_group_bar_get_group_button_position (group_bar, old_group_num); + old_group->button_window_in_animation = TRUE; + + old_group->child_window_target_y = e_group_bar_get_group_child_position (group_bar, old_group_num); + old_group->child_window_in_animation = TRUE; + + old_group_num += step; + } + + /* Add a timeout handler if we haven't already got one. */ + if (group_bar->animation_timeout_id == 0) { + group_bar->animation_timeout_id = g_timeout_add (E_GROUP_BAR_SCROLL_TIMEOUT, e_group_bar_timeout_handler, group_bar); + } +} + + +static gboolean +e_group_bar_timeout_handler (gpointer data) +{ + EGroupBar *group_bar; + EGroupBarChild *group; + gint group_num, button_window_y, child_window_y; + gboolean finished = TRUE; + + g_return_val_if_fail (E_IS_GROUP_BAR (data), FALSE); + + group_bar = E_GROUP_BAR (data); + + GDK_THREADS_ENTER (); + + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + + if (group->button_window_in_animation) { + gdk_window_get_position (group->button_window, NULL, + &button_window_y); + button_window_y += e_group_bar_get_increment (group_bar, button_window_y, group->button_window_target_y); + if (button_window_y == group->button_window_target_y) + group->button_window_in_animation = FALSE; + else + finished = FALSE; + gdk_window_move (group->button_window, + 0, button_window_y); + } + if (group->child_window_in_animation) { + gdk_window_get_position (group->child_window, NULL, + &child_window_y); + child_window_y += e_group_bar_get_increment (group_bar, child_window_y, group->child_window_target_y); + if (child_window_y == group->child_window_target_y) + group->child_window_in_animation = FALSE; + else + finished = FALSE; + gdk_window_move (group->child_window, + 0, child_window_y); + } + + } + + if (finished) + group_bar->animation_timeout_id = 0; + + GDK_THREADS_LEAVE (); + + return !finished; +} + + +static gint +e_group_bar_get_increment (EGroupBar *group_bar, + gint window_y, + gint window_target_y) +{ + gdouble percentage; + gint distance, total_distance, step; + + total_distance = group_bar->child_height; + distance = MIN (abs (window_target_y - window_y), total_distance); + + /* Convert the distance into an angle between -PI/2 and PI/2, so we can + then do a cosine of it. */ + percentage = cos (M_PI * ((gdouble)distance / (gdouble)total_distance) - M_PI / 2); + + /* Now multiply by our maximum step size to get the step size. */ + step = percentage * total_distance / 6; + + /* Add it to the minimum step size, but don't go too far. */ + step = step + E_GROUP_BAR_MIN_STEP_SIZE; + step = MIN (step, distance); + + if (window_target_y > window_y) + return step; + else + return -step; +} + + +static gboolean +e_group_bar_on_button_drag_motion (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time, + EGroupBar *group_bar) +{ + gint group_num; + + if (!group_bar->auto_show_timeout_id) { + group_num = e_group_bar_find_button (group_bar, widget); + if (group_num != -1) { + group_bar->auto_show_timeout_id = gtk_timeout_add (E_GROUP_BAR_AUTO_SHOW_TIMEOUT, e_group_bar_auto_show, group_bar); + group_bar->auto_show_group_num = group_num; + } + } + return TRUE; +} + + +static void +e_group_bar_on_button_drag_leave (GtkWidget *widget, + GdkDragContext *context, + guint time, + EGroupBar *group_bar) +{ + if (group_bar->auto_show_timeout_id) { + gtk_timeout_remove (group_bar->auto_show_timeout_id); + group_bar->auto_show_timeout_id = 0; + } +} + + +static gboolean +e_group_bar_auto_show (gpointer data) +{ + EGroupBar *group_bar; + + g_return_val_if_fail (E_IS_GROUP_BAR (data), FALSE); + + group_bar = E_GROUP_BAR (data); + + GDK_THREADS_ENTER (); + + e_group_bar_start_animation (group_bar, + group_bar->auto_show_group_num); + + group_bar->auto_show_timeout_id = 0; + + GDK_THREADS_LEAVE (); + + return FALSE; +} + + +/* This removes all timeouts and sets all 'in_animation' flags to FALSE. */ +static void +e_group_bar_stop_all_animation (EGroupBar *group_bar) +{ + EGroupBarChild *group; + gint group_num; + + if (group_bar->animation_timeout_id) { + g_source_remove (group_bar->animation_timeout_id); + group_bar->animation_timeout_id = 0; + } + if (group_bar->auto_show_timeout_id) { + g_source_remove (group_bar->auto_show_timeout_id); + group_bar->auto_show_timeout_id = 0; + } + + for (group_num = 0; + group_num < group_bar->children->len; + group_num++) { + group = &g_array_index (group_bar->children, + EGroupBarChild, group_num); + group->button_window_in_animation = FALSE; + group->child_window_in_animation = FALSE; + } +} + diff --git a/widgets/shortcut-bar/e-group-bar.h b/widgets/shortcut-bar/e-group-bar.h new file mode 100644 index 0000000000..9a6f83b461 --- /dev/null +++ b/widgets/shortcut-bar/e-group-bar.h @@ -0,0 +1,171 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ +#ifndef _E_GROUP_BAR_H_ +#define _E_GROUP_BAR_H_ + +#include <gtk/gtkcontainer.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* + * EGroupBar displays a vertical bar with a number of Groups, which are viewed + * one at a time by selecting the Group's button. When a different Group is + * selected, it slides into view, and the old Group slides out. + * It is typically used on the left of the main application window so users + * can easily access particular features. + * + * It is implemented like GtkNotebook, i.e. the main widgets are the children + * of the EGroupBar and the button widgets are treated specially like the + * GtkNotebook tab labels. + */ + +/* This contains information on one item. */ +typedef struct _EGroupBarChild EGroupBarChild; +struct _EGroupBarChild +{ + /* This is the button used to select the group, and the window we use + to move it around easily. */ + GtkWidget *button; + GdkWindow *button_window; + gint button_height; + + /* This is the child widget, which can be any widget added by the + application, and the window we use to move it around easily. */ + GtkWidget *child; + GdkWindow *child_window; + + /* These are TRUE if we are currently animating the windows. */ + gboolean button_window_in_animation; + gboolean child_window_in_animation; + + /* These are the target y positions that the windows should eventually + move to, used for animation. If we get a size_allocate we just + update these and the animation can continue as normal. + When a child window reaches its target position, it is unmapped if + if it is not the current group (i.e. it has slid off screen). */ + gint button_window_target_y; + gint child_window_target_y; +}; + + +#define E_GROUP_BAR(obj) GTK_CHECK_CAST (obj, e_group_bar_get_type (), EGroupBar) +#define E_GROUP_BAR_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, e_group_bar_get_type (), EGroupBarClass) +#define E_IS_GROUP_BAR(obj) GTK_CHECK_TYPE (obj, e_group_bar_get_type ()) + + +typedef struct _EGroupBar EGroupBar; +typedef struct _EGroupBarClass EGroupBarClass; + +struct _EGroupBar +{ + GtkContainer container; + + /* This is an array of EGroupBarChild elements. */ + GArray *children; + + /* This is the group currently shown. */ + gint current_group_num; + + /* This is TRUE if all the buttons are allocated the same height. */ + gboolean buttons_homogeneous; + + /* This is the biggest requested height of all the buttons, which we + use for all buttons when buttons_homogeneous is set. */ + gint max_button_height; + + /* This is the height of all the child windows & widgets. */ + gint child_height; + + /* The id of the source function for animation timeouts. If this is + not 0 then we are in the middle of an animation. */ + guint animation_timeout_id; + + /* The id of the source function for automatically showing groups when + the user drags over the group button, and the group to show. */ + guint auto_show_timeout_id; + gint auto_show_group_num; +}; + +struct _EGroupBarClass +{ + GtkContainerClass parent_class; +}; + + +GtkType e_group_bar_get_type (void); +GtkWidget* e_group_bar_new (void); + +/* + * Insertion, reordering and deletion of items. + */ + +/* Adds a new group at the given position. If position is -1 it adds it as + the last group. It returns the group number. */ +gint e_group_bar_add_group (EGroupBar *group_bar, + GtkWidget *child, + GtkWidget *button, + gint position); +void e_group_bar_reorder_group (EGroupBar *group_bar, + gint group_num, + gint new_position); +void e_group_bar_remove_group (EGroupBar *group_bar, + gint group_num); + +/* + * Getting & setting the current group. + */ +gint e_group_bar_get_current_group_num (EGroupBar *group_bar); +void e_group_bar_set_current_group_num (EGroupBar *group_bar, + gint group_num); + +/* + * Getting groups and group numbers. + */ +GtkWidget* e_group_bar_get_nth_group (EGroupBar *group_bar, + gint group_num); +gint e_group_bar_get_group_num (EGroupBar *group_bar, + GtkWidget *child); + +/* + * Setting the group button label. + */ +void e_group_bar_set_group_button_label (EGroupBar *group_bar, + gint group_num, + GtkWidget *label); + +/* + * Getting & setting the EGroupBar options. + */ +gboolean e_group_bar_get_buttons_homogeneous (EGroupBar *group_bar); +void e_group_bar_set_buttons_homogeneous (EGroupBar *group_bar, + gboolean homogeneous); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_GROUP_BAR_H_ */ diff --git a/widgets/shortcut-bar/e-icon-bar-bg-item.c b/widgets/shortcut-bar/e-icon-bar-bg-item.c new file mode 100644 index 0000000000..1bdb7a308d --- /dev/null +++ b/widgets/shortcut-bar/e-icon-bar-bg-item.c @@ -0,0 +1,361 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * EIconBarBgItem - A GnomeCanvasItem which covers the entire EIconBar. + * It paints the rectangles around items when the mouse moves over them, and + * the lines between items when dragging. + */ + +#include "e-icon-bar-bg-item.h" +#include "e-icon-bar.h" + +/* This is the size of the border around the icons, for the shadow. */ +#define E_ICON_BAR_LARGE_ICON_SHADOW_BORDER 2 +#define E_ICON_BAR_SMALL_ICON_SHADOW_BORDER 2 + +/* These are for the horzontal bar when dragging. */ +#define E_ICON_BAR_BG_ITEM_BAR_HEIGHT 1 +#define E_ICON_BAR_BG_ITEM_BAR_OFFSET 2 +#define E_ICON_BAR_BG_ITEM_LARGE_ARROW_HEIGHT 8 +#define E_ICON_BAR_BG_ITEM_SMALL_ARROW_HEIGHT 4 + +static void e_icon_bar_bg_item_class_init (EIconBarBgItemClass *class); +static void e_icon_bar_bg_item_init (EIconBarBgItem *ibitem); + +static void e_icon_bar_bg_item_set_arg (GtkObject *o, GtkArg *arg, + guint arg_id); +static void e_icon_bar_bg_item_update (GnomeCanvasItem *item, + double *affine, + ArtSVP *clip_path, int flags); +static void e_icon_bar_bg_item_draw (GnomeCanvasItem *item, + GdkDrawable *drawable, + int x, int y, + int width, int height); +static double e_icon_bar_bg_item_point (GnomeCanvasItem *item, + double x, double y, + int cx, int cy, + GnomeCanvasItem **actual_item); +static gint e_icon_bar_bg_item_event (GnomeCanvasItem *item, + GdkEvent *event); +static gint e_icon_bar_bg_item_button_press (EIconBarBgItem *ibitem, + GdkEvent *event); +static gint e_icon_bar_bg_item_button_release (EIconBarBgItem *ibitem, + GdkEvent *event); +static gint e_icon_bar_bg_item_motion_notify (EIconBarBgItem *ibitem, + GdkEvent *event); + +static GnomeCanvasItemClass *parent_class; + +/* The arguments we take */ +enum { + ARG_0, + ARG_ICON_BAR +}; + + +GtkType +e_icon_bar_bg_item_get_type (void) +{ + static GtkType e_icon_bar_bg_item_type = 0; + + if (!e_icon_bar_bg_item_type) { + GtkTypeInfo e_icon_bar_bg_item_info = { + "EIconBarBgItem", + sizeof (EIconBarBgItem), + sizeof (EIconBarBgItemClass), + (GtkClassInitFunc) e_icon_bar_bg_item_class_init, + (GtkObjectInitFunc) e_icon_bar_bg_item_init, + NULL, /* reserved_1 */ + NULL, /* reserved_2 */ + (GtkClassInitFunc) NULL + }; + + e_icon_bar_bg_item_type = gtk_type_unique (gnome_canvas_item_get_type (), &e_icon_bar_bg_item_info); + } + + return e_icon_bar_bg_item_type; +} + + +static void +e_icon_bar_bg_item_class_init (EIconBarBgItemClass *class) +{ + GtkObjectClass *object_class; + GnomeCanvasItemClass *item_class; + + parent_class = gtk_type_class (gnome_canvas_item_get_type()); + + object_class = (GtkObjectClass *) class; + item_class = (GnomeCanvasItemClass *) class; + + gtk_object_add_arg_type ("EIconBarBgItem::icon_bar", + GTK_TYPE_POINTER, GTK_ARG_WRITABLE, + ARG_ICON_BAR); + + object_class->set_arg = e_icon_bar_bg_item_set_arg; + + /* GnomeCanvasItem method overrides */ + item_class->update = e_icon_bar_bg_item_update; + item_class->draw = e_icon_bar_bg_item_draw; + item_class->point = e_icon_bar_bg_item_point; + item_class->event = e_icon_bar_bg_item_event; +} + + +static void +e_icon_bar_bg_item_init (EIconBarBgItem *ibitem) +{ + GnomeCanvasItem *item = GNOME_CANVAS_ITEM (ibitem); + + ibitem->icon_bar = NULL; + + item->x1 = 0; + item->y1 = 0; + item->x2 = 0; + item->y2 = 0; +} + + +static void +e_icon_bar_bg_item_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) +{ + GnomeCanvasItem *item; + EIconBarBgItem *ibitem; + + item = GNOME_CANVAS_ITEM (o); + ibitem = E_ICON_BAR_BG_ITEM (o); + + switch (arg_id){ + case ARG_ICON_BAR: + ibitem->icon_bar = GTK_VALUE_POINTER (*arg); + break; + } +} + + +static void +e_icon_bar_bg_item_update (GnomeCanvasItem *item, + double *affine, + ArtSVP *clip_path, + int flags) +{ + if (GNOME_CANVAS_ITEM_CLASS (parent_class)->update) + (* GNOME_CANVAS_ITEM_CLASS (parent_class)->update) (item, affine, clip_path, flags); + + /* The grid covers the entire canvas area. */ + item->x1 = 0; + item->y1 = 0; + item->x2 = INT_MAX; + item->y2 = INT_MAX; +} + + +/* + * DRAWING ROUTINES - functions to paint the canvas item. + */ + +static void +e_icon_bar_bg_item_draw (GnomeCanvasItem *canvas_item, GdkDrawable *drawable, + int x, int y, int width, int height) +{ + EIconBar *icon_bar; + EIconBarItem *item; + EIconBarBgItem *ibitem; + GtkStyle *style; + GdkGC *gc; + GtkShadowType shadow; + gint item_num, border, bar_x, bar_y, bar_w, i, arrow_height; + + ibitem = E_ICON_BAR_BG_ITEM (canvas_item); + icon_bar = ibitem->icon_bar; + g_return_if_fail (icon_bar != NULL); + style = GTK_WIDGET (icon_bar)->style; + + /* Draw the highlight around the current highlight item. */ + item_num = -1; + if (icon_bar->editing_item_num == -1) { + if (icon_bar->pressed_item_num != -1) { + item_num = icon_bar->pressed_item_num; + if (icon_bar->pressed_item_num == icon_bar->mouse_over_item_num) + shadow = GTK_SHADOW_IN; + else + shadow = GTK_SHADOW_OUT; + } else if (icon_bar->mouse_over_item_num != -1) { + item_num = icon_bar->mouse_over_item_num; + shadow = GTK_SHADOW_OUT; + } + } + + if (item_num != -1) { + item = &g_array_index (icon_bar->items, EIconBarItem, + item_num); + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) + border = E_ICON_BAR_LARGE_ICON_SHADOW_BORDER; + else + border = E_ICON_BAR_SMALL_ICON_SHADOW_BORDER; + + gtk_draw_shadow (style, drawable, GTK_STATE_NORMAL, shadow, + icon_bar->icon_x - border - x, + item->icon_y - border - y, + icon_bar->icon_w + border * 2 - 1, + icon_bar->icon_h + border * 2 - 1); + } + + /* Draw the bar between items when dragging, if needed. */ + if (icon_bar->in_drag && icon_bar->dragging_before_item_num != -1) { + if (icon_bar->dragging_before_item_num < icon_bar->items->len) { + item = &g_array_index (icon_bar->items, EIconBarItem, + icon_bar->dragging_before_item_num); + bar_y = 0; + } else { + /* We need to draw the bar after the last item. */ + item = &g_array_index (icon_bar->items, EIconBarItem, + icon_bar->items->len - 1); + bar_y = item->item_height + icon_bar->spacing; + } + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) { + bar_y += item->icon_y; + } else { + bar_y += MIN (item->icon_y, item->text_y); + } + bar_y -= y + icon_bar->spacing / 2; + + bar_x = E_ICON_BAR_BG_ITEM_BAR_OFFSET - x; + bar_w = GTK_WIDGET (icon_bar)->allocation.width - 2 * E_ICON_BAR_BG_ITEM_BAR_OFFSET - 1; + + gc = GTK_WIDGET (icon_bar)->style->fg_gc[GTK_STATE_NORMAL]; + + /* Draw the horizontal bar. */ + gdk_draw_rectangle (drawable, gc, TRUE, + bar_x, bar_y, + bar_w, E_ICON_BAR_BG_ITEM_BAR_HEIGHT); + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) + arrow_height = E_ICON_BAR_BG_ITEM_LARGE_ARROW_HEIGHT / 2; + else + arrow_height = E_ICON_BAR_BG_ITEM_SMALL_ARROW_HEIGHT / 2; + + /* Draw the arrows at the end of the lines. We use + gdk_draw_line() to draw a series of vertical lines, since + gdk_draw_polygon() produces odd results. */ + i = 0; + while (arrow_height > 0) { + gdk_draw_line (drawable, gc, + bar_x + i, + bar_y - arrow_height, + bar_x + i, + bar_y + arrow_height); + gdk_draw_line (drawable, gc, + bar_x + bar_w - i - 1, + bar_y - arrow_height, + bar_x + bar_w - i - 1, + bar_y + arrow_height); + arrow_height--; + i++; + } + } +} + + +/* This is supposed to return the nearest item the the point and the distance. + Since we are the only item we just return ourself and 0 for the distance. + This is needed so that we get button/motion events. */ +static double +e_icon_bar_bg_item_point (GnomeCanvasItem *item, double x, double y, + int cx, int cy, + GnomeCanvasItem **actual_item) +{ + *actual_item = item; + return 0.0; +} + + +static gint +e_icon_bar_bg_item_event (GnomeCanvasItem *item, GdkEvent *event) +{ + EIconBarBgItem *ibitem; + + ibitem = E_ICON_BAR_BG_ITEM (item); + + switch (event->type) { + case GDK_BUTTON_PRESS: + return e_icon_bar_bg_item_button_press (ibitem, event); + case GDK_BUTTON_RELEASE: + return e_icon_bar_bg_item_button_release (ibitem, event); + case GDK_MOTION_NOTIFY: + return e_icon_bar_bg_item_motion_notify (ibitem, event); + default: + break; + } + + return FALSE; +} + + +static gint +e_icon_bar_bg_item_button_press (EIconBarBgItem *ibitem, + GdkEvent *event) +{ + gint item_num; + + item_num = e_icon_bar_find_item_at_position (ibitem->icon_bar, + event->button.x, + event->button.y, + NULL); + e_icon_bar_item_pressed (ibitem->icon_bar, item_num, event); + return TRUE; +} + + +static gint +e_icon_bar_bg_item_button_release (EIconBarBgItem *ibitem, + GdkEvent *event) +{ + gint item_num; + + item_num = e_icon_bar_find_item_at_position (ibitem->icon_bar, + event->button.x, + event->button.y, + NULL); + e_icon_bar_item_released (ibitem->icon_bar, item_num, event); + return TRUE; +} + + +static gint +e_icon_bar_bg_item_motion_notify (EIconBarBgItem *ibitem, + GdkEvent *event) +{ + gint item_num; + + item_num = e_icon_bar_find_item_at_position (ibitem->icon_bar, + event->motion.x, + event->motion.y, + NULL); + e_icon_bar_item_motion (ibitem->icon_bar, item_num, event); + return TRUE; +} diff --git a/widgets/shortcut-bar/e-icon-bar-bg-item.h b/widgets/shortcut-bar/e-icon-bar-bg-item.h new file mode 100644 index 0000000000..ae25e987d7 --- /dev/null +++ b/widgets/shortcut-bar/e-icon-bar-bg-item.h @@ -0,0 +1,72 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * EIconBarBgItem - A GnomeCanvasItem which covers the entire EIconBar. + * It paints the rectangles around items when the mouse moves over them, and + * the lines between items when dragging. + */ + +#ifndef _E_ICON_BAR_BG_ITEM_H_ +#define _E_ICON_BAR_BG_ITEM_H_ + +#include <libgnomeui/gnome-canvas.h> + +#include "e-icon-bar.h" + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define E_ICON_BAR_BG_ITEM(obj) (GTK_CHECK_CAST((obj), e_icon_bar_bg_item_get_type (), EIconBarBgItem)) +#define E_ICON_BAR_BG_ITEM_CLASS(k) (GTK_CHECK_CLASS_CAST ((k), e_icon_bar_bg_item_get_type (), EIconBarBgItemClass)) +#define E_IS_ICON_BAR_BG_ITEM(o) (GTK_CHECK_TYPE((o), e_icon_bar_bg_item_get_type ())) + + +typedef struct _EIconBarBgItem EIconBarBgItem; +typedef struct _EIconBarBgItemClass EIconBarBgItemClass; + +struct _EIconBarBgItem +{ + GnomeCanvasItem canvas_item; + + /* The parent EIconBar widget. */ + EIconBar *icon_bar; +}; + + +struct _EIconBarBgItemClass +{ + GnomeCanvasItemClass parent_class; +}; + +GtkType e_icon_bar_bg_item_get_type (void); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_ICON_BAR_BG_ITEM_H_ */ diff --git a/widgets/shortcut-bar/e-icon-bar-text-item.c b/widgets/shortcut-bar/e-icon-bar-text-item.c new file mode 100644 index 0000000000..5548c630b3 --- /dev/null +++ b/widgets/shortcut-bar/e-icon-bar-text-item.c @@ -0,0 +1,1696 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * Based on gnome-icon-text-item: an editable text block with word wrapping + * for the GNOME canvas. + * + * Copyright (C) 1998, 1999 The Free Software Foundation + * + * Authors: Miguel de Icaza <miguel@gnu.org> + * Federico Mena <federico@gimp.org> + */ + +/* + * EIconBarTextItem - An editable canvas text item for the EIconBar. + */ + +#include <math.h> +#include <gdk/gdkkeysyms.h> +#include <gtk/gtkmain.h> +#include <gtk/gtksignal.h> +#include <gtk/gtkwindow.h> +#include <libgnome/gnome-defs.h> +#include <libgnome/gnome-i18n.h> + +#include "e-icon-bar-text-item.h" + + +/* Margins used to display the information */ +#define MARGIN_X 2 +#define MARGIN_Y 2 + +/* Default fontset to be used if the user specified fontset is not found */ +#define DEFAULT_FONT_NAME "-adobe-helvetica-medium-r-normal--*-100-*-*-*-*-*-*," \ + "-*-*-medium-r-normal--10-*-*-*-*-*-*-*,*" + +/* Separators for text layout */ +#define DEFAULT_SEPARATORS " \t-.[]#" + +/* This is the string to draw when the text is clipped, e.g. '...'. */ +static gchar *e_icon_bar_text_item_ellipsis; + +/* Aliases to minimize screen use in my laptop */ +#define ITI(x) E_ICON_BAR_TEXT_ITEM (x) +#define ITI_CLASS(x) E_ICON_BAR_TEXT_ITEM_CLASS (x) +#define IS_ITI(x) E_IS_ICON_BAR_TEXT_ITEM (x) + + +typedef EIconBarTextItem Iti; + +/* Private part of the EIconBarTextItem structure */ +typedef struct { + /* Font */ + GdkFont *font; + + /* Hack: create an offscreen window and place an entry inside it */ + GtkEntry *entry; + GtkWidget *entry_top; + + /* Whether the user pressed the mouse while the item was unselected */ + guint unselected_click : 1; + + /* Whether we need to update the position */ + guint need_pos_update : 1; + + /* Whether we need to update the font */ + guint need_font_update : 1; + + /* Whether we need to update the text */ + guint need_text_update : 1; + + /* Whether we need to update because the editing/selected state changed */ + guint need_state_update : 1; +} ItiPrivate; + +typedef struct _EIconBarTextItemInfoRow EIconBarTextItemInfoRow; + +struct _EIconBarTextItemInfoRow { + gchar *text; + gint width; + GdkWChar *text_wc; /* text in wide characters */ + gint text_length; /* number of characters */ +}; + +struct _EIconBarTextItemInfo { + GList *rows; + GdkFont *font; + gint width; + gint height; + gint baseline_skip; +}; + +static GnomeCanvasItemClass *parent_class; + +enum { + ARG_0, + ARG_XALIGN, + ARG_JUSTIFY, + ARG_MAX_LINES, + ARG_SHOW_ELLIPSIS +}; + +enum { + TEXT_CHANGED, + HEIGHT_CHANGED, + WIDTH_CHANGED, + EDITING_STARTED, + EDITING_STOPPED, + SELECTION_STARTED, + SELECTION_STOPPED, + LAST_SIGNAL +}; + +static guint iti_signals [LAST_SIGNAL] = { 0 }; + +static GdkFont *default_font; + +static void e_icon_bar_text_item_free_info (EIconBarTextItemInfo *ti); +static EIconBarTextItemInfo *e_icon_bar_text_item_layout_text (EIconBarTextItem *iti, GdkFont *font, const gchar *text, const gchar *separators, gint max_width, gboolean confine); +static void e_icon_bar_text_item_paint_text (EIconBarTextItem *iti, + EIconBarTextItemInfo *ti, + GdkDrawable *drawable, + GdkGC *gc, + gint x, + gint y, + GtkJustification just); + + +/* Stops the editing state of an icon text item */ +static void +iti_stop_editing (Iti *iti) +{ + ItiPrivate *priv; + + priv = iti->priv; + + iti->editing = FALSE; + + gtk_widget_destroy (priv->entry_top); + priv->entry = NULL; + priv->entry_top = NULL; + + priv->need_state_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); + + gtk_signal_emit (GTK_OBJECT (iti), iti_signals[EDITING_STOPPED]); +} + +/* Lays out the text in an icon item */ +static void +layout_text (Iti *iti) +{ + ItiPrivate *priv; + char *text; + int old_width, old_height; + int width, height; + + priv = iti->priv; + + /* Save old size */ + + if (iti->ti) { + old_width = iti->ti->width + 2 * MARGIN_X; + old_height = iti->ti->height + 2 * MARGIN_Y; + + e_icon_bar_text_item_free_info (iti->ti); + } else { + old_width = 2 * MARGIN_X; + old_height = 2 * MARGIN_Y; + } + + /* Change the text layout */ + + if (iti->editing) + text = gtk_entry_get_text (priv->entry); + else + text = iti->text; + + iti->ti = e_icon_bar_text_item_layout_text (iti, priv->font, + text, + DEFAULT_SEPARATORS, + iti->width - 2 * MARGIN_X, + TRUE); + + /* Check the sizes and see if we need to emit any signals */ + + width = iti->ti->width + 2 * MARGIN_X; + height = iti->ti->height + 2 * MARGIN_Y; + + if (width != old_width) + gtk_signal_emit (GTK_OBJECT (iti), iti_signals[WIDTH_CHANGED]); + + if (height != old_height) + gtk_signal_emit (GTK_OBJECT (iti), iti_signals[HEIGHT_CHANGED]); +} + +/* Accepts the text in the off-screen entry of an icon text item */ +static void +iti_edition_accept (Iti *iti) +{ + ItiPrivate *priv; + gboolean accept; + + priv = iti->priv; + accept = TRUE; + + gtk_signal_emit (GTK_OBJECT (iti), iti_signals [TEXT_CHANGED], &accept); + + if (iti->editing){ + if (accept) { + if (iti->is_text_allocated) + g_free (iti->text); + + iti->text = g_strdup (gtk_entry_get_text (priv->entry)); + iti->is_text_allocated = 1; + } + + iti_stop_editing (iti); + } + + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); +} + +/* Callback used when the off-screen entry of an icon text item is activated. + * When this happens, we have to accept edition. + */ +static void +iti_entry_activate (GtkWidget *entry, Iti *iti) +{ + iti_edition_accept (iti); +} + +/* Starts the editing state of an icon text item */ +static void +iti_start_editing (Iti *iti) +{ + ItiPrivate *priv; + + priv = iti->priv; + + if (iti->editing) + return; + + /* Trick: The actual edition of the entry takes place in a GtkEntry + * which is placed offscreen. That way we get all of the advantages + * from GtkEntry without duplicating code. Yes, this is a hack. + */ + priv->entry = (GtkEntry *) gtk_entry_new (); + gtk_entry_set_text (priv->entry, iti->text); + gtk_signal_connect (GTK_OBJECT (priv->entry), "activate", + GTK_SIGNAL_FUNC (iti_entry_activate), iti); + + priv->entry_top = gtk_window_new (GTK_WINDOW_POPUP); + gtk_container_add (GTK_CONTAINER (priv->entry_top), GTK_WIDGET (priv->entry)); + gtk_widget_set_uposition (priv->entry_top, 20000, 20000); + gtk_widget_show_all (priv->entry_top); + + gtk_editable_select_region (GTK_EDITABLE (priv->entry), 0, -1); + + iti->editing = TRUE; + + priv->need_text_update = TRUE; + priv->need_state_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); + + gtk_signal_emit (GTK_OBJECT (iti), iti_signals[EDITING_STARTED]); +} + +/* Destroy method handler for the icon text item */ +static void +iti_destroy (GtkObject *object) +{ + Iti *iti; + ItiPrivate *priv; + GnomeCanvasItem *item; + + g_return_if_fail (object != NULL); + g_return_if_fail (IS_ITI (object)); + + iti = ITI (object); + priv = iti->priv; + item = GNOME_CANVAS_ITEM (object); + + /* FIXME: stop selection and editing */ + + /* Queue redraw of bounding box */ + + gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); + + /* Free everything */ + + if (iti->fontname) + g_free (iti->fontname); + + if (iti->text && iti->is_text_allocated) + g_free (iti->text); + + if (iti->ti) + e_icon_bar_text_item_free_info (iti->ti); + + if (priv->font) + gdk_font_unref (priv->font); + + if (priv->entry_top) + gtk_widget_destroy (priv->entry_top); + + g_free (priv); + + if (GTK_OBJECT_CLASS (parent_class)->destroy) + (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); +} + +/* set_arg handler for the icon text item */ +static void +iti_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) +{ + Iti *iti; + GnomeCanvasItem *item; + ItiPrivate *priv; + gfloat xalign; + gint max_lines; + gboolean show_ellipsis; + GtkJustification justification; + + iti = ITI (object); + item = GNOME_CANVAS_ITEM (object); + priv = iti->priv; + + switch (arg_id) { + case ARG_XALIGN: + xalign = GTK_VALUE_FLOAT (*arg); + if (iti->xalign != xalign) { + iti->xalign = xalign; + priv->need_pos_update = TRUE; + gnome_canvas_item_request_update (item); + } + break; + case ARG_JUSTIFY: + justification = GTK_VALUE_ENUM (*arg); + if (iti->justification != justification) { + iti->justification = justification; + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (item); + } + break; + case ARG_MAX_LINES: + max_lines = GTK_VALUE_INT (*arg); + if (iti->max_lines != max_lines) { + iti->max_lines = max_lines; + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (item); + } + break; + case ARG_SHOW_ELLIPSIS: + show_ellipsis = GTK_VALUE_BOOL (*arg); + if (iti->show_ellipsis != show_ellipsis) { + iti->show_ellipsis = show_ellipsis; + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (item); + } + break; + default: + break; + } +} + +static void +iti_get_arg (GtkObject *object, GtkArg *arg, guint arg_id) +{ + Iti *iti; + ItiPrivate *priv; + + iti = ITI (object); + priv = iti->priv; + + switch (arg_id) { + case ARG_XALIGN: + GTK_VALUE_FLOAT (*arg) = iti->xalign; + break; + case ARG_JUSTIFY: + GTK_VALUE_ENUM (*arg) = iti->justification; + break; + case ARG_MAX_LINES: + GTK_VALUE_INT (*arg) = iti->max_lines; + break; + case ARG_SHOW_ELLIPSIS: + GTK_VALUE_BOOL (*arg) = iti->show_ellipsis; + break; + default: + arg->type = GTK_TYPE_INVALID; + break; + } +} + +/* Loads the default font for icon text items if necessary */ +static GdkFont * +get_default_font (void) +{ + if (!default_font) { + /* FIXME: this is never unref-ed */ + default_font = gdk_fontset_load (DEFAULT_FONT_NAME); + g_assert (default_font != NULL); + } + + return gdk_font_ref (default_font); +} + +/* Recomputes the bounding box of an icon text item */ +static void +recompute_bounding_box (Iti *iti) +{ + GnomeCanvasItem *item; + double affine[6]; + ArtPoint p, q; + int x1, y1, x2, y2; + int width, height; + + item = GNOME_CANVAS_ITEM (iti); + + /* Compute width, height, position */ + + width = iti->ti->width + 2 * MARGIN_X; + height = iti->ti->height + 2 * MARGIN_Y; + + x1 = iti->x + (iti->width - width) * iti->xalign; + y1 = iti->y; + x2 = x1 + width; + y2 = y1 + height; + + /* Translate to world coordinates */ + + gnome_canvas_item_i2w_affine (item, affine); + + p.x = x1; + p.y = y1; + art_affine_point (&q, &p, affine); + item->x1 = q.x; + item->y1 = q.y; + + p.x = x2; + p.y = y2; + art_affine_point (&q, &p, affine); + item->x2 = q.x; + item->y2 = q.y; +} + +/* Update method for the icon text item */ +static void +iti_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags) +{ + Iti *iti; + ItiPrivate *priv; + + iti = ITI (item); + priv = iti->priv; + + if (parent_class->update) + (* parent_class->update) (item, affine, clip_path, flags); + + /* If necessary, queue a redraw of the old bounding box */ + + if ((flags & GNOME_CANVAS_UPDATE_VISIBILITY) + || (flags & GNOME_CANVAS_UPDATE_AFFINE) + || priv->need_pos_update + || priv->need_font_update + || priv->need_text_update) + gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); + + if (priv->need_text_update) + layout_text (iti); + + /* Compute new bounds */ + + if (priv->need_pos_update + || priv->need_font_update + || priv->need_text_update) + recompute_bounding_box (iti); + + /* Queue redraw */ + + gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); + + priv->need_pos_update = FALSE; + priv->need_font_update = FALSE; + priv->need_text_update = FALSE; + priv->need_state_update = FALSE; +} + +/* Draw the icon text item's text when it is being edited */ +static void +iti_paint_text (Iti *iti, GdkDrawable *drawable, int x, int y) +{ + ItiPrivate *priv; + EIconBarTextItemInfoRow *row; + EIconBarTextItemInfo *ti; + GtkStyle *style; + GdkGC *fg_gc, *bg_gc; + GdkGC *gc, *bgc, *sgc, *bsgc; + GList *item; + int xpos, len; + + priv = iti->priv; + style = GTK_WIDGET (GNOME_CANVAS_ITEM (iti)->canvas)->style; + + ti = iti->ti; + len = 0; + y += ti->font->ascent; + + /* + * Pointers to all of the GCs we use + */ + gc = style->black_gc; + bgc = style->white_gc; + sgc = style->fg_gc [GTK_STATE_SELECTED]; + bsgc = style->bg_gc [GTK_STATE_SELECTED]; + + for (item = ti->rows; item; item = item->next, len += (row ? row->text_length : 0)) { + GdkWChar *text_wc; + int text_length; + int cursor, offset, i; + int sel_start, sel_end; + + row = item->data; + + if (!row) { + y += ti->baseline_skip; + continue; + } + + text_wc = row->text_wc; + text_length = row->text_length; + + switch (iti->justification) { + case GTK_JUSTIFY_LEFT: + xpos = 0; + break; + + case GTK_JUSTIFY_RIGHT: + xpos = ti->width - row->width; + break; + + case GTK_JUSTIFY_CENTER: + xpos = (ti->width - row->width) / 2; + break; + + default: + /* Anyone care to implement GTK_JUSTIFY_FILL? */ + g_warning ("Justification type %d not supported. Using left-justification.", + (int) iti->justification); + xpos = 0; + } + + sel_start = GTK_EDITABLE (priv->entry)->selection_start_pos - len; + sel_end = GTK_EDITABLE (priv->entry)->selection_end_pos - len; + offset = 0; + cursor = GTK_EDITABLE (priv->entry)->current_pos - len; + + for (i = 0; *text_wc; text_wc++, i++) { + int size, px; + + size = gdk_text_width_wc (ti->font, text_wc, 1); + + if (i >= sel_start && i < sel_end) { + fg_gc = sgc; + bg_gc = bsgc; + } else { + fg_gc = gc; + bg_gc = bgc; + } + + px = x + xpos + offset; + gdk_draw_rectangle (drawable, + bg_gc, + TRUE, + px, + y - ti->font->ascent, + size, ti->baseline_skip); + + gdk_draw_text_wc (drawable, + ti->font, + fg_gc, + px, y, + text_wc, 1); + + if (cursor == i) + gdk_draw_line (drawable, + gc, + px - 1, + y - ti->font->ascent, + px - 1, + y + ti->font->descent - 1); + + offset += size; + } + + if (cursor == i) { + int px = x + xpos + offset; + + gdk_draw_line (drawable, + gc, + px - 1, + y - ti->font->ascent, + px - 1, + y + ti->font->descent - 1); + } + + y += ti->baseline_skip; + } +} + +/* Draw method handler for the icon text item */ +static void +iti_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int width, int height) +{ + Iti *iti; + GtkStyle *style; + int w, h; + int xofs, yofs; + + iti = ITI (item); + + if (iti->ti) { + w = iti->ti->width + 2 * MARGIN_X; + h = iti->ti->height + 2 * MARGIN_Y; + } else { + w = 2 * MARGIN_X; + h = 2 * MARGIN_Y; + } + + xofs = item->x1 - x; + yofs = item->y1 - y; + + style = GTK_WIDGET (item->canvas)->style; + + if (iti->selected && !iti->editing) + gdk_draw_rectangle (drawable, + style->bg_gc[GTK_STATE_SELECTED], + TRUE, + xofs, yofs, + w, h); + + if (iti->editing) { + gdk_draw_rectangle (drawable, + style->white_gc, + TRUE, + xofs + 1, yofs + 1, + w - 2, h - 2); + gdk_draw_rectangle (drawable, + style->black_gc, + FALSE, + xofs, yofs, + w - 1, h - 1); + + iti_paint_text (iti, drawable, xofs + MARGIN_X, yofs + MARGIN_Y); + } else + e_icon_bar_text_item_paint_text (iti, iti->ti, + drawable, + style->fg_gc[(iti->selected + ? GTK_STATE_SELECTED + : GTK_STATE_NORMAL)], + xofs + MARGIN_X, + yofs + MARGIN_Y, + iti->justification); +} + +/* Point method handler for the icon text item */ +static double +iti_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item) +{ + double dx, dy; + + *actual_item = item; + + if (cx < item->x1) + dx = item->x1 - cx; + else if (cx > item->x2) + dx = cx - item->x2; + else + dx = 0.0; + + if (cy < item->y1) + dy = item->y1 - cy; + else if (cy > item->y2) + dy = cy - item->y2; + else + dy = 0.0; + + return sqrt (dx * dx + dy * dy); +} + +/* Given X, Y, a mouse position, return a valid index inside the edited text */ +static int +iti_idx_from_x_y (Iti *iti, int x, int y) +{ + ItiPrivate *priv; + EIconBarTextItemInfoRow *row; + int lines; + int line, col, i, idx; + GList *l; + + priv = iti->priv; + + if (iti->ti->rows == NULL) + return 0; + + lines = g_list_length (iti->ti->rows); + line = y / iti->ti->baseline_skip; + + if (line < 0) + line = 0; + else if (lines < line + 1) + line = lines - 1; + + /* Compute the base index for this line */ + for (l = iti->ti->rows, idx = i = 0; i < line; l = l->next, i++) { + row = l->data; + idx += row->text_length; + } + + row = g_list_nth (iti->ti->rows, line)->data; + col = 0; + if (row != NULL) { + int first_char; + int last_char; + + first_char = (iti->ti->width - row->width) / 2; + last_char = first_char + row->width; + + if (x < first_char) { + /* nothing */ + } else if (x > last_char) { + col = row->text_length; + } else { + GdkWChar *s = row->text_wc; + int pos = first_char; + + while (pos < last_char) { + pos += gdk_text_width_wc (iti->ti->font, s, 1); + if (pos > x) + break; + col++; + s++; + } + } + } + + idx += col; + + g_assert (idx <= priv->entry->text_size); + + return idx; +} + +/* Starts the selection state in the icon text item */ +static void +iti_start_selecting (Iti *iti, int idx, guint32 event_time) +{ + ItiPrivate *priv; + GtkEditable *e; + GdkCursor *ibeam; + + priv = iti->priv; + e = GTK_EDITABLE (priv->entry); + + gtk_editable_select_region (e, idx, idx); + gtk_editable_set_position (e, idx); + ibeam = gdk_cursor_new (GDK_XTERM); + gnome_canvas_item_grab (GNOME_CANVAS_ITEM (iti), + GDK_BUTTON_RELEASE_MASK | + GDK_POINTER_MOTION_MASK, + ibeam, event_time); + gdk_cursor_destroy (ibeam); + + gtk_editable_select_region (e, idx, idx); + e->current_pos = e->selection_start_pos; + e->has_selection = TRUE; + iti->selecting = TRUE; + + priv->need_state_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); + + gtk_signal_emit (GTK_OBJECT (iti), iti_signals[SELECTION_STARTED]); +} + +/* Stops the selection state in the icon text item */ +static void +iti_stop_selecting (Iti *iti, guint32 event_time) +{ + ItiPrivate *priv; + GnomeCanvasItem *item; + GtkEditable *e; + + priv = iti->priv; + item = GNOME_CANVAS_ITEM (iti); + e = GTK_EDITABLE (priv->entry); + + gnome_canvas_item_ungrab (item, event_time); + e->has_selection = FALSE; + iti->selecting = FALSE; + + priv->need_state_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); + gtk_signal_emit (GTK_OBJECT (iti), iti_signals[SELECTION_STOPPED]); +} + +/* Handles selection range changes on the icon text item */ +static void +iti_selection_motion (Iti *iti, int idx) +{ + ItiPrivate *priv; + GtkEditable *e; + + priv = iti->priv; + e = GTK_EDITABLE (priv->entry); + + if (idx < e->current_pos) { + e->selection_start_pos = idx; + e->selection_end_pos = e->current_pos; + } else { + e->selection_start_pos = e->current_pos; + e->selection_end_pos = idx; + } + + priv->need_state_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); +} + +/* Event handler for icon text items */ +static gint +iti_event (GnomeCanvasItem *item, GdkEvent *event) +{ + Iti *iti; + ItiPrivate *priv; + int idx; + double x, y; + + iti = ITI (item); + priv = iti->priv; + + switch (event->type) { + case GDK_KEY_PRESS: + if (!iti->editing) + break; + + if (event->key.keyval == GDK_Escape) + iti_stop_editing (iti); + else + gtk_widget_event (GTK_WIDGET (priv->entry), event); + + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (item); + return TRUE; + + case GDK_BUTTON_PRESS: + if (!iti->editing) + break; + + if (iti->editing && event->button.button == 1) { + x = event->button.x - (item->x1 + MARGIN_X); + y = event->button.y - (item->y1 + MARGIN_Y); + idx = iti_idx_from_x_y (iti, x, y); + + iti_start_selecting (iti, idx, event->button.time); + } + + return TRUE; + + case GDK_MOTION_NOTIFY: + if (!iti->selecting) + break; + + x = event->motion.x - (item->x1 + MARGIN_X); + y = event->motion.y - (item->y1 + MARGIN_Y); + idx = iti_idx_from_x_y (iti, x, y); + iti_selection_motion (iti, idx); + return TRUE; + + case GDK_BUTTON_RELEASE: + if (iti->selecting && event->button.button == 1) + iti_stop_selecting (iti, event->button.time); + else + break; + + return TRUE; + + default: + break; + } + + return FALSE; +} + +/* Bounds method handler for the icon text item */ +static void +iti_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2) +{ + Iti *iti; + ItiPrivate *priv; + int width, height; + + iti = ITI (item); + priv = iti->priv; + + if (priv->need_text_update) { + layout_text (iti); + priv->need_text_update = FALSE; + } + + if (iti->ti) { + width = iti->ti->width + 2 * MARGIN_X; + height = iti->ti->height + 2 * MARGIN_Y; + } else { + width = 2 * MARGIN_X; + height = 2 * MARGIN_Y; + } + + *x1 = iti->x + (iti->width - width) * iti->xalign; + *y1 = iti->y; + *x2 = *x1 + width; + *y2 = *y1 + height; +} + +/* Class initialization function for the icon text item */ +static void +iti_class_init (EIconBarTextItemClass *text_item_class) +{ + GtkObjectClass *object_class; + GnomeCanvasItemClass *item_class; + + object_class = (GtkObjectClass *) text_item_class; + item_class = (GnomeCanvasItemClass *) text_item_class; + + parent_class = gtk_type_class (gnome_canvas_item_get_type ()); + + gtk_object_add_arg_type ("EIconBarTextItem::xalign", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_XALIGN); + gtk_object_add_arg_type ("EIconBarTextItem::justify", GTK_TYPE_JUSTIFICATION, GTK_ARG_READWRITE, ARG_JUSTIFY); + gtk_object_add_arg_type ("EIconBarTextItem::max_lines", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_MAX_LINES); + gtk_object_add_arg_type ("EIconBarTextItem::show_ellipsis", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_SHOW_ELLIPSIS); + + iti_signals [TEXT_CHANGED] = + gtk_signal_new ( + "text_changed", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarTextItemClass, text_changed), + gtk_marshal_BOOL__NONE, + GTK_TYPE_BOOL, 0); + + iti_signals [HEIGHT_CHANGED] = + gtk_signal_new ( + "height_changed", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarTextItemClass, height_changed), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + iti_signals [WIDTH_CHANGED] = + gtk_signal_new ( + "width_changed", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarTextItemClass, width_changed), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + iti_signals[EDITING_STARTED] = + gtk_signal_new ( + "editing_started", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarTextItemClass, editing_started), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + iti_signals[EDITING_STOPPED] = + gtk_signal_new ( + "editing_stopped", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarTextItemClass, editing_stopped), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + iti_signals[SELECTION_STARTED] = + gtk_signal_new ( + "selection_started", + GTK_RUN_FIRST, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarTextItemClass, selection_started), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + iti_signals[SELECTION_STOPPED] = + gtk_signal_new ( + "selection_stopped", + GTK_RUN_FIRST, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarTextItemClass, selection_stopped), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + + gtk_object_class_add_signals (object_class, iti_signals, LAST_SIGNAL); + + object_class->destroy = iti_destroy; + object_class->get_arg = iti_get_arg; + object_class->set_arg = iti_set_arg; + + item_class->update = iti_update; + item_class->draw = iti_draw; + item_class->point = iti_point; + item_class->bounds = iti_bounds; + item_class->event = iti_event; + + e_icon_bar_text_item_ellipsis = _("..."); +} + +/* Object initialization function for the icon text item */ +static void +iti_init (EIconBarTextItem *iti) +{ + ItiPrivate *priv; + + priv = g_new0 (ItiPrivate, 1); + iti->priv = priv; + + iti->xalign = 0.5; + iti->justification = GTK_JUSTIFY_CENTER; + iti->max_lines = -1; + iti->show_ellipsis = TRUE; +} + +/** + * e_icon_bar_text_item_configure: + * @iti: An #EIconBarTextItem. + * @x: X position in which to place the item. + * @y: Y position in which to place the item. + * @width: Maximum width allowed for this item, to be used for word wrapping. + * @fontname: Name of the fontset that should be used to display the text. + * @text: Text that is going to be displayed. + * @is_static: Whether @text points to a static string or not. + * + * This routine is used to configure an #EIconBarTextItem. + * + * @x and @y specify the coordinates where the item is placed in the canvas. + * The @x coordinate should be the leftmost position that the item can + * assume at any one time, that is, the left margin of the column in which the + * icon is to be placed. The @y coordinate specifies the top of the item. + * + * @width is the maximum width allowed for this icon text item. The coordinates + * define the upper-left corner of an item with maximum width; this may + * actually be outside the bounding box of the item if the text is narrower + * than the maximum width. + * + * If @is_static is true, it means that there is no need for the item to + * allocate memory for the string (it is a guarantee that the text is allocated + * by the caller and it will not be deallocated during the lifetime of this + * item). This is an optimization to reduce memory usage for large icon sets. + */ +void +e_icon_bar_text_item_configure (EIconBarTextItem *iti, int x, int y, + int width, const char *fontname, + const char *text, + gboolean is_static) +{ + ItiPrivate *priv; + + g_return_if_fail (iti != NULL); + g_return_if_fail (IS_ITI (iti)); + g_return_if_fail (width > 2 * MARGIN_X); + g_return_if_fail (text != NULL); + + priv = iti->priv; + + iti->x = x; + iti->y = y; + iti->width = width; + + if (iti->text && iti->is_text_allocated) + g_free (iti->text); + + iti->is_text_allocated = !is_static; + + /* This cast is to shut up the compiler */ + if (is_static) + iti->text = (char *) text; + else + iti->text = g_strdup (text); + + if (iti->fontname) + g_free (iti->fontname); + + iti->fontname = g_strdup (fontname ? fontname : DEFAULT_FONT_NAME); + + if (priv->font) + gdk_font_unref (priv->font); + + priv->font = NULL; + if (fontname) + priv->font = gdk_fontset_load (iti->fontname); + if (!priv->font) + priv->font = get_default_font (); + + /* Request update */ + + priv->need_pos_update = TRUE; + priv->need_font_update = TRUE; + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); +} + +/** + * e_icon_bar_text_item_set_width: + * @iti: An #EIconBarTextItem. + * @width: Maximum width allowed for this item, to be used for word wrapping. + * + * This routine is used to set the maximum width of an #EIconBarTextItem. + */ +void +e_icon_bar_text_item_set_width (EIconBarTextItem *iti, int width) +{ + ItiPrivate *priv; + + g_return_if_fail (iti != NULL); + g_return_if_fail (IS_ITI (iti)); + g_return_if_fail (width > 2 * MARGIN_X); + + priv = iti->priv; + + if (iti->width == width) + return; + + iti->width = width; + + /* Request update */ + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); +} + +/** + * e_icon_bar_text_item_setxy: + * @iti: An #EIconBarTextItem. + * @x: X position. + * @y: Y position. + * + * Sets the coordinates at which the #EIconBarTextItem should be placed. + * + * See also: e_icon_bar_text_item_configure(). + */ +void +e_icon_bar_text_item_setxy (EIconBarTextItem *iti, int x, int y) +{ + ItiPrivate *priv; + + g_return_if_fail (iti != NULL); + g_return_if_fail (IS_ITI (iti)); + + priv = iti->priv; + + iti->x = x; + iti->y = y; + + priv->need_pos_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); +} + +/** + * e_icon_bar_text_item_select: + * @iti: An #EIconBarTextItem. + * @sel: Whether the item should be displayed as selected. + * + * This function is used to control whether an icon text item is displayed as + * selected or not. Mouse events are ignored by the item when it is unselected; + * when the user clicks on a selected icon text item, it will start the text + * editing process. + */ +void +e_icon_bar_text_item_select (EIconBarTextItem *iti, int sel) +{ + ItiPrivate *priv; + + g_return_if_fail (iti != NULL); + g_return_if_fail (IS_ITI (iti)); + + priv = iti->priv; + + if (!iti->selected == !sel) + return; + + iti->selected = sel ? TRUE : FALSE; + + if (!iti->selected && iti->editing) + iti_edition_accept (iti); + + priv->need_state_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); +} + +/** + * e_icon_bar_text_item_get_text: + * @iti: An #EIconBarTextItem. + * + * Returns the current text. The client should not free this string, as it is + * internal to the #EIconBarTextItem. + */ +char * +e_icon_bar_text_item_get_text (EIconBarTextItem *iti) +{ + ItiPrivate *priv; + + g_return_val_if_fail (iti != NULL, NULL); + g_return_val_if_fail (IS_ITI (iti), NULL); + + priv = iti->priv; + + if (iti->editing) + return gtk_entry_get_text (priv->entry); + else + return iti->text; +} + + +/** + * e_icon_bar_text_item_set_text: + * @iti: An #EIconBarTextItem. + * @text: Text that is going to be displayed. + * @is_static: Whether @text points to a static string or not. + * + * If @is_static is true, it means that there is no need for the item to + * allocate memory for the string (it is a guarantee that the text is allocated + * by the caller and it will not be deallocated during the lifetime of this + * item). This is an optimization to reduce memory usage for large icon sets. + */ +void +e_icon_bar_text_item_set_text (EIconBarTextItem *iti, const char *text, + gboolean is_static) +{ + ItiPrivate *priv; + + g_return_if_fail (iti != NULL); + g_return_if_fail (IS_ITI (iti)); + g_return_if_fail (text != NULL); + + priv = iti->priv; + + if (iti->text && iti->is_text_allocated) + g_free (iti->text); + + iti->is_text_allocated = !is_static; + + /* This cast is to shut up the compiler */ + if (is_static) + iti->text = (char *) text; + else + iti->text = g_strdup (text); + + /* Request update */ + + priv->need_text_update = TRUE; + gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (iti)); +} + + +/** + * e_icon_bar_text_item_start_editing: + * @iti: An #EIconBarTextItem. + * + * Starts the editing state of an #EIconBarTextItem. + **/ +void +e_icon_bar_text_item_start_editing (EIconBarTextItem *iti) +{ + g_return_if_fail (iti != NULL); + g_return_if_fail (IS_ITI (iti)); + + if (iti->editing) + return; + + iti->selected = TRUE; /* Ensure that we are selected */ + gnome_canvas_item_grab_focus (GNOME_CANVAS_ITEM (iti)); + iti_start_editing (iti); +} + +/** + * e_icon_bar_text_item_stop_editing: + * @iti: An #EIconBarTextItem. + * @accept: Whether to accept the current text or to discard it. + * + * Terminates the editing state of an icon text item. The @accept argument + * controls whether the item's current text should be accepted or discarded. + * If it is discarded, then the icon's original text will be restored. + **/ +void +e_icon_bar_text_item_stop_editing (EIconBarTextItem *iti, + gboolean accept) +{ + g_return_if_fail (iti != NULL); + g_return_if_fail (IS_ITI (iti)); + + if (!iti->editing) + return; + + if (accept) + iti_edition_accept (iti); + else + iti_stop_editing (iti); +} + + +/** + * e_icon_bar_text_item_get_type: + * + * Registers the &EIconBarTextItem class if necessary, and returns the type ID + * associated to it. + * + * Return value: the type ID of the #EIconBarTextItem class. + **/ +GtkType +e_icon_bar_text_item_get_type (void) +{ + static GtkType iti_type = 0; + + if (!iti_type) { + static const GtkTypeInfo iti_info = { + "EIconBarTextItem", + sizeof (EIconBarTextItem), + sizeof (EIconBarTextItemClass), + (GtkClassInitFunc) iti_class_init, + (GtkObjectInitFunc) iti_init, + NULL, /* reserved_1 */ + NULL, /* reserved_2 */ + (GtkClassInitFunc) NULL + }; + + iti_type = gtk_type_unique (gnome_canvas_item_get_type (), &iti_info); + } + + return iti_type; +} + + +static void +free_row (gpointer data, gpointer user_data) +{ + EIconBarTextItemInfoRow *row; + + if (data) { + row = data; + g_free (row->text); + g_free (row->text_wc); + g_free (row); + } +} + +/* + * e_icon_bar_text_item_free_info: + * @ti: An icon text info structure. + * + * Frees a &EIconBarTextItemInfo structure. You should call this instead of + * freeing the structure yourself. + */ +static void +e_icon_bar_text_item_free_info (EIconBarTextItemInfo *ti) +{ + g_list_foreach (ti->rows, free_row, NULL); + g_list_free (ti->rows); + g_free (ti); +} + +/* + * e_icon_bar_text_item_layout_text: + * @font: Name of the font that will be used to render the text. + * @text: Text to be formatted. + * @separators: Separators used for word wrapping, can be NULL. + * @max_width: Width in pixels to be used for word wrapping. + * @confine: Whether it is mandatory to wrap at @max_width. + * + * Creates a new &EIconBarTextItemInfo structure by wrapping the specified + * text. If non-NULL, the @separators argument defines a set of characters + * to be used as word delimiters for performing word wrapping. If it is + * NULL, then only spaces will be used as word delimiters. + * + * The @max_width argument is used to specify the width at which word + * wrapping will be performed. If there is a very long word that does not + * fit in a single line, the @confine argument can be used to specify + * whether the word should be unconditionally split to fit or whether + * the maximum width should be increased as necessary. + * + * Return value: A newly-created &EIconBarTextItemInfo structure. + */ +static EIconBarTextItemInfo * +e_icon_bar_text_item_layout_text (EIconBarTextItem *iti, GdkFont *font, + const gchar *text, const gchar *separators, + gint max_width, gboolean confine) +{ + EIconBarTextItemInfo *ti; + EIconBarTextItemInfoRow *row; + GdkWChar *row_end; + GdkWChar *s, *word_start, *word_end, *old_word_end; + GdkWChar *sub_text; + int i, w_len, w; + GdkWChar *text_wc, *text_iter, *separators_wc; + int text_len_wc, separators_len_wc; + gboolean restrict_lines; + int lines; + + g_return_val_if_fail (font != NULL, NULL); + g_return_val_if_fail (text != NULL, NULL); + + if (!separators) + separators = " "; + + text_wc = g_new (GdkWChar, strlen (text) + 1); + text_len_wc = gdk_mbstowcs (text_wc, text, strlen (text)); + if (text_len_wc < 0) text_len_wc = 0; + text_wc[text_len_wc] = 0; + + separators_wc = g_new (GdkWChar, strlen (separators) + 1); + separators_len_wc = gdk_mbstowcs (separators_wc, separators, strlen (separators)); + if (separators_len_wc < 0) separators_len_wc = 0; + separators_wc[separators_len_wc] = 0; + + ti = g_new (EIconBarTextItemInfo, 1); + + ti->rows = NULL; + ti->font = font; + ti->width = 0; + ti->height = 0; + ti->baseline_skip = font->ascent + font->descent; + + word_end = NULL; + + if (!iti->editing && iti->max_lines != -1) + restrict_lines = TRUE; + else + restrict_lines = FALSE; + + text_iter = text_wc; + lines = 0; + while (*text_iter) { + /* If we are restricting the height, and this is the last line, + and we are displaying the ellipsis, then subtract the width + of the ellipsis from our max_width. */ + if (restrict_lines && lines == iti->max_lines - 1 + && iti->show_ellipsis) { + max_width -= gdk_string_measure (font, e_icon_bar_text_item_ellipsis); + } + + for (row_end = text_iter; *row_end != 0 && *row_end != '\n'; row_end++); + + /* Accumulate words from this row until they don't fit in the max_width */ + + s = text_iter; + + while (s < row_end) { + word_start = s; + old_word_end = word_end; + for (word_end = word_start; *word_end; word_end++) { + GdkWChar *p; + for (p = separators_wc; *p; p++) { + if (*word_end == *p) + goto found; + } + } + found: + if (word_end < row_end) + word_end++; + + if (gdk_text_width_wc (font, text_iter, word_end - text_iter) > max_width) { + if (word_start == text_iter + || (restrict_lines + && lines == iti->max_lines - 1)) { + if (confine) { + /* We must force-split the word. Look for a proper + * place to do it. + */ + + w_len = word_end - text_iter; + + for (i = 1; i < w_len; i++) { + w = gdk_text_width_wc (font, text_iter, i); + if (w > max_width) { + if (i == 1) + /* Shit, not even a single character fits */ + max_width = w; + else + break; + } + } + + /* Create sub-row with the chars that fit */ + + sub_text = g_new (GdkWChar, i); + memcpy (sub_text, text_iter, (i - 1) * sizeof (GdkWChar)); + sub_text[i - 1] = 0; + + row = g_new (EIconBarTextItemInfoRow, 1); + row->text_wc = sub_text; + row->text_length = i - 1; + row->width = gdk_text_width_wc (font, sub_text, i - 1); + row->text = gdk_wcstombs(sub_text); + if (row->text == NULL) + row->text = g_strdup(""); + + ti->rows = g_list_append (ti->rows, row); + + if (row->width > ti->width) + ti->width = row->width; + + ti->height += ti->baseline_skip; + + /* Bump the text pointer */ + + text_iter += i - 1; + s = text_iter; + + lines++; + if (restrict_lines + && lines >= iti->max_lines) + break; + + continue; + } else + max_width = gdk_text_width_wc (font, word_start, word_end - word_start); + + continue; /* Retry split */ + } else { + word_end = old_word_end; /* Restore to region that does fit */ + break; /* Stop the loop because we found something that doesn't fit */ + } + } + + s = word_end; + } + + if (restrict_lines && lines >= iti->max_lines) + break; + + /* Append row */ + + if (text_iter == row_end) { + /* We are on a newline, so append an empty row */ + + ti->rows = g_list_append (ti->rows, NULL); + ti->height += ti->baseline_skip; + + /* Next! */ + + text_iter = row_end + 1; + + lines++; + if (restrict_lines && lines >= iti->max_lines) + break; + + } else { + /* Create subrow and append it to the list */ + + int sub_len; + sub_len = word_end - text_iter; + + sub_text = g_new (GdkWChar, sub_len + 1); + memcpy (sub_text, text_iter, sub_len * sizeof (GdkWChar)); + sub_text[sub_len] = 0; + + row = g_new (EIconBarTextItemInfoRow, 1); + row->text_wc = sub_text; + row->text_length = sub_len; + row->width = gdk_text_width_wc (font, sub_text, sub_len); + row->text = gdk_wcstombs(sub_text); + if (row->text == NULL) + row->text = g_strdup(""); + + ti->rows = g_list_append (ti->rows, row); + + if (row->width > ti->width) + ti->width = row->width; + + ti->height += ti->baseline_skip; + + /* Next! */ + + text_iter = word_end; + + lines++; + if (restrict_lines && lines >= iti->max_lines) + break; + } + } + + /* Check if we've had to clip the text. */ + iti->is_clipped = *text_iter ? TRUE : FALSE; + + g_free (text_wc); + g_free (separators_wc); + return ti; +} + +/* + * e_icon_bar_text_item_paint_text: + * @ti: An icon text info structure. + * @drawable: Target drawable. + * @gc: GC used to render the string. + * @x: Left coordinate for text. + * @y: Upper coordinate for text. + * @just: Justification for text. + * + * Paints the formatted text in the icon text info structure onto a drawable. + * This is just a sample implementation; applications can choose to use other + * rendering functions. + */ +static void +e_icon_bar_text_item_paint_text (EIconBarTextItem *iti, + EIconBarTextItemInfo *ti, + GdkDrawable *drawable, GdkGC *gc, + gint x, gint y, GtkJustification just) +{ + GList *item; + EIconBarTextItemInfoRow *row; + int xpos, line, width; + gboolean show_ellipsis; + + g_return_if_fail (ti != NULL); + g_return_if_fail (drawable != NULL); + g_return_if_fail (gc != NULL); + + y += ti->font->ascent; + + for (item = ti->rows, line = 1; item; item = item->next, line++) { + + if (item->data) { + row = item->data; + width = row->width; + } + + /* If this is the last line, and the text has been clipped, + and show_ellipsis is TRUE, display '...' */ + if (line == iti->max_lines && iti->is_clipped) { + show_ellipsis = TRUE; + width += gdk_string_measure (ti->font, e_icon_bar_text_item_ellipsis); + } else { + show_ellipsis = FALSE; + } + + switch (just) { + case GTK_JUSTIFY_LEFT: + xpos = 0; + break; + + case GTK_JUSTIFY_RIGHT: + xpos = ti->width - width; + break; + + case GTK_JUSTIFY_CENTER: + xpos = (ti->width - width) / 2; + break; + + default: + /* Anyone care to implement GTK_JUSTIFY_FILL? */ + g_warning ("Justification type %d not supported. Using left-justification.", + (int) just); + xpos = 0; + } + + if (item->data) + gdk_draw_text_wc (drawable, ti->font, gc, x + xpos, y, row->text_wc, row->text_length); + + if (show_ellipsis) + gdk_draw_string (drawable, ti->font, gc, + x + xpos + row->width, y, + e_icon_bar_text_item_ellipsis); + + y += ti->baseline_skip; + } +} diff --git a/widgets/shortcut-bar/e-icon-bar-text-item.h b/widgets/shortcut-bar/e-icon-bar-text-item.h new file mode 100644 index 0000000000..7c0380c87b --- /dev/null +++ b/widgets/shortcut-bar/e-icon-bar-text-item.h @@ -0,0 +1,158 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * Based on gnome-icon-text-item: an editable text block with word wrapping + * for the GNOME canvas. + * + * Copyright (C) 1998, 1999 The Free Software Foundation + * + * Authors: Miguel de Icaza <miguel@gnu.org> + * Federico Mena <federico@gimp.org> + */ + +/* + * EIconBarTextItem - An editable canvas text item for the EIconBar. + */ + +#ifndef _E_ICON_BAR_TEXT_ITEM_H_ +#define _E_ICON_BAR_TEXT_ITEM_H_ + +#include <gtk/gtkentry.h> +#include <libgnomeui/gnome-canvas.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define E_ICON_BAR_TEXT_ITEM(obj) (GTK_CHECK_CAST((obj), \ + e_icon_bar_text_item_get_type (), EIconBarTextItem)) +#define E_ICON_BAR_TEXT_ITEM_CLASS(k) (GTK_CHECK_CLASS_CAST ((k),\ + e_icon_bar_text_item_get_type ())) +#define E_IS_ICON_BAR_TEXT_ITEM(o) (GTK_CHECK_TYPE((o), \ + e_icon_bar_text_item_get_type ())) + +typedef struct _EIconBarTextItemInfo EIconBarTextItemInfo; + +typedef struct { + GnomeCanvasItem canvas_item; + + /* Size and maximum allowed width */ + int x, y; + int width; + + /* Font name */ + char *fontname; + + /* Private data */ + gpointer priv; /* was GtkEntry *entry */ + + /* Actual text */ + char *text; + + /* Text layout information */ + EIconBarTextItemInfo *ti; + + /* Whether the text is being edited */ + unsigned int editing : 1; + + /* Whether the text item is selected */ + unsigned int selected : 1; + + /* Whether the user is select-dragging a block of text */ + unsigned int selecting : 1; + + /* Whether the text is editable */ + unsigned int is_editable : 1; + + /* Whether the text is allocated by us (FALSE if allocated by the client) */ + unsigned int is_text_allocated : 1; + + + /* The horizontal alignment of the text (default 0.5). */ + gfloat xalign; + + /* The justification of the text (default is centered). */ + GtkJustification justification; + + /* The max number of lines of text shown, or -1 for all (default). */ + gint max_lines; + + /* If '...' is displayed if the text doesn't all fit (default TRUE). */ + gboolean show_ellipsis; + + /* This is TRUE if we couldn't fit all the text in. */ + gboolean is_clipped; +} EIconBarTextItem; + +typedef struct { + GnomeCanvasItemClass parent_class; + + /* Signals we emit */ + int (* text_changed) (EIconBarTextItem *iti); + void (* height_changed) (EIconBarTextItem *iti); + void (* width_changed) (EIconBarTextItem *iti); + void (* editing_started) (EIconBarTextItem *iti); + void (* editing_stopped) (EIconBarTextItem *iti); + void (* selection_started) (EIconBarTextItem *iti); + void (* selection_stopped) (EIconBarTextItem *iti); +} EIconBarTextItemClass; + +GtkType e_icon_bar_text_item_get_type (void); + +void e_icon_bar_text_item_configure (EIconBarTextItem *iti, + int x, + int y, + int width, + const char *fontname, + const char *text, + gboolean is_static); + +void e_icon_bar_text_item_set_width (EIconBarTextItem *iti, + int width); + +void e_icon_bar_text_item_setxy (EIconBarTextItem *iti, + int x, + int y); + +void e_icon_bar_text_item_select (EIconBarTextItem *iti, + int sel); + +char* e_icon_bar_text_item_get_text (EIconBarTextItem *iti); +void e_icon_bar_text_item_set_text (EIconBarTextItem *iti, + const char *text, + gboolean is_static); + +void e_icon_bar_text_item_start_editing (EIconBarTextItem *iti); +void e_icon_bar_text_item_stop_editing (EIconBarTextItem *iti, + gboolean accept); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_ICON_BAR_TEXT_ITEM_H_ */ + diff --git a/widgets/shortcut-bar/e-icon-bar.c b/widgets/shortcut-bar/e-icon-bar.c new file mode 100644 index 0000000000..6bb32ed2a2 --- /dev/null +++ b/widgets/shortcut-bar/e-icon-bar.c @@ -0,0 +1,1450 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * EIconBar is a subclass of GnomeCanvas for displaying a vertical column of + * icons and descriptions. It provides 2 views - large icons and small icons. + */ + +#include <gtk/gtkmain.h> +#include <gtk/gtksignal.h> +#include <libgnomeui/gnome-canvas-image.h> + +#include "e-icon-bar.h" +#include "e-icon-bar-bg-item.h" +#include "e-icon-bar-text-item.h" + +/* These are the offsets of the icons & text in both views. Note that the + shadow around icons is drawn in the space between items (as is the + horizontal bar when dragging). */ +#define E_ICON_BAR_LARGE_ICON_SPACING 8 /* Spacing between items. */ +#define E_ICON_BAR_LARGE_ICON_WIDTH 48 +#define E_ICON_BAR_LARGE_ICON_HEIGHT 48 +#define E_ICON_BAR_LARGE_ICON_TEXT_X 4 +#define E_ICON_BAR_LARGE_ICON_TEXT_Y (E_ICON_BAR_LARGE_ICON_HEIGHT + 4) + +#define E_ICON_BAR_SMALL_ICON_SPACING 4 /* Spacing between items. */ +#define E_ICON_BAR_SMALL_ICON_WIDTH 24 +#define E_ICON_BAR_SMALL_ICON_HEIGHT 24 +#define E_ICON_BAR_SMALL_ICON_X 4 +#define E_ICON_BAR_SMALL_ICON_TEXT_X (E_ICON_BAR_SMALL_ICON_WIDTH + 4) + +/* The space we leave at the top or bottom of the bar when position an item + while it is being edited. This is used since the EIconBar may be in a + EScrolledBar which may show buttons at the top or bottom. */ +#define E_ICON_BAR_V_SPACE 22 + +/* The number of pixels the mouse has to be moved with the button down before + we start a drag. */ +#define E_ICON_BAR_DRAG_START_OFFSET 4 + +/* This is the area at the top & bottom of the bar where we auto-scroll if the + mouse goes into during a drag-and-drop operation. */ +#define E_ICON_BAR_DRAG_AUTO_SCROLL_OFFSET 16 + +/* This is the time between each auto-scroll, when dragging. */ +#define E_ICON_BAR_SCROLL_TIMEOUT 30 + +/* This is the number of timeouts we skip before we start scrolling. */ +#define E_ICON_BAR_SCROLL_DELAY 12 + + +static void e_icon_bar_class_init (EIconBarClass *class); +static void e_icon_bar_init (EIconBar *icon_bar); +static void e_icon_bar_destroy (GtkObject *object); +static void e_icon_bar_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); +static gint e_icon_bar_leave_notify_event (GtkWidget *widget, + GdkEventCrossing *event); +static gint e_icon_bar_focus_in (GtkWidget *widget, + GdkEventFocus *event); +static gint e_icon_bar_focus_out (GtkWidget *widget, + GdkEventFocus *event); +static gint e_icon_bar_key_event (GtkWidget *widget, GdkEventKey *event); + +static gint e_icon_bar_drag_motion (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time); +static void e_icon_bar_drag_leave (GtkWidget *widget, + GdkDragContext *context, + guint time); +static void e_icon_bar_set_dragging_before_item (EIconBar *icon_bar, + gint before_item); +static gboolean e_icon_bar_timeout_handler (gpointer data); + +static void e_icon_bar_recalc_common_positions (EIconBar *icon_bar); +static gint e_icon_bar_recalc_item_positions (EIconBar *icon_bar); +static void e_icon_bar_on_text_height_changed (GnomeCanvasItem *text_item, + EIconBar *icon_bar); +static gint e_icon_bar_find_item (EIconBar *icon_bar, + GnomeCanvasItem *text_item); +static gboolean e_icon_bar_on_item_event (GnomeCanvasItem *item, + GdkEvent *event, + EIconBar *icon_bar); + +static gboolean e_icon_bar_large_icons_intersects (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y); +static gboolean e_icon_bar_large_icons_is_before (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y); +static gboolean e_icon_bar_small_icons_intersects (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y); +static gboolean e_icon_bar_small_icons_is_before (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y); +static void e_icon_bar_on_text_item_editing_started (EIconBarTextItem *text_item, + EIconBar *icon_bar); +static void e_icon_bar_on_text_item_editing_stopped (EIconBarTextItem *text_item, + EIconBar *icon_bar); +static void e_icon_bar_ensure_edited_item_visible (EIconBar *icon_bar); +static void e_icon_bar_update_highlight (EIconBar *icon_bar); + +enum +{ + ITEM_SELECTED, + ITEM_DRAGGED, + LAST_SIGNAL +}; + +static guint e_icon_bar_signals[LAST_SIGNAL] = {0}; + +static GnomeCanvasClass *parent_class; + + +GtkType +e_icon_bar_get_type (void) +{ + static GtkType e_icon_bar_type = 0; + + if (!e_icon_bar_type){ + GtkTypeInfo e_icon_bar_info = { + "EIconBar", + sizeof (EIconBar), + sizeof (EIconBarClass), + (GtkClassInitFunc) e_icon_bar_class_init, + (GtkObjectInitFunc) e_icon_bar_init, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + parent_class = gtk_type_class (gnome_canvas_get_type ()); + e_icon_bar_type = gtk_type_unique (gnome_canvas_get_type (), + &e_icon_bar_info); + } + + return e_icon_bar_type; +} + + +static void +e_icon_bar_class_init (EIconBarClass *class) +{ + GtkObjectClass *object_class; + GtkWidgetClass *widget_class; + + object_class = (GtkObjectClass *) class; + widget_class = (GtkWidgetClass *) class; + + e_icon_bar_signals[ITEM_SELECTED] = + gtk_signal_new ("item_selected", + GTK_RUN_LAST | GTK_RUN_ACTION, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarClass, + selected_item), + gtk_marshal_NONE__POINTER_INT, + GTK_TYPE_NONE, 2, GTK_TYPE_GDK_EVENT, + GTK_TYPE_INT); + e_icon_bar_signals[ITEM_DRAGGED] = + gtk_signal_new ("item_dragged", + GTK_RUN_LAST | GTK_RUN_ACTION, + object_class->type, + GTK_SIGNAL_OFFSET (EIconBarClass, + dragged_item), + gtk_marshal_NONE__POINTER_INT, + GTK_TYPE_NONE, 2, GTK_TYPE_GDK_EVENT, + GTK_TYPE_INT); + + gtk_object_class_add_signals (object_class, e_icon_bar_signals, + LAST_SIGNAL); + + /* Method override */ + object_class->destroy = e_icon_bar_destroy; + + widget_class->size_allocate = e_icon_bar_size_allocate; + widget_class->leave_notify_event = e_icon_bar_leave_notify_event; + widget_class->focus_in_event = e_icon_bar_focus_in; + widget_class->focus_out_event = e_icon_bar_focus_out; + widget_class->key_press_event = e_icon_bar_key_event; + widget_class->key_release_event = e_icon_bar_key_event; + widget_class->drag_motion = e_icon_bar_drag_motion; + widget_class->drag_leave = e_icon_bar_drag_leave; + + class->selected_item = NULL; +} + + +static void +e_icon_bar_init (EIconBar *icon_bar) +{ + icon_bar->view_type = E_ICON_BAR_LARGE_ICONS; + icon_bar->items = g_array_new (FALSE, FALSE, sizeof (EIconBarItem)); + icon_bar->pressed_item_num = -1; + icon_bar->mouse_over_item_num = -1; + icon_bar->editing_item_num = -1; + icon_bar->in_drag = FALSE; + icon_bar->dragging_before_item_num = -1; + icon_bar->icon_x = 0; + icon_bar->icon_w = 0; + icon_bar->icon_h = 0; + icon_bar->text_x = 0; + icon_bar->text_w = 5; + icon_bar->auto_scroll_timeout_id = 0; + + /* Create the background item in the canvas, which handles selections + and drag-and-drop. */ + gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (icon_bar)->root), + e_icon_bar_bg_item_get_type (), + "EIconBarBgItem::icon_bar", icon_bar, + NULL); +} + + +/** + * e_icon_bar_new: + * @Returns: A new #EIconBar. + * + * Creates a new #EIconBar. + **/ +GtkWidget * +e_icon_bar_new (void) +{ + GtkWidget *icon_bar; + + icon_bar = GTK_WIDGET (gtk_type_new (e_icon_bar_get_type ())); + + return icon_bar; +} + + +static void +e_icon_bar_destroy (GtkObject *object) +{ + EIconBar *icon_bar; + + icon_bar = E_ICON_BAR (object); + + GTK_OBJECT_CLASS (parent_class)->destroy (object); + + g_array_free (icon_bar->items, TRUE); + + if (icon_bar->auto_scroll_timeout_id != 0) { + gtk_timeout_remove (icon_bar->auto_scroll_timeout_id); + icon_bar->auto_scroll_timeout_id = 0; + } +} + + +static void +e_icon_bar_size_allocate (GtkWidget *widget, GtkAllocation *allocation) +{ + EIconBar *icon_bar; + gint canvas_width, canvas_height, height; + + icon_bar = E_ICON_BAR (widget); + + GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation); + + canvas_width = GTK_WIDGET (icon_bar)->allocation.width; + canvas_height = GTK_WIDGET (icon_bar)->allocation.height; + + /* Reset the y position and widths of all the items to the width of + the canvas, and reset the button labels, so they fit. */ + e_icon_bar_recalc_common_positions (icon_bar); + height = e_icon_bar_recalc_item_positions (icon_bar); + + gnome_canvas_set_scroll_region (GNOME_CANVAS (widget), + 0, 0, canvas_width, + MAX (height, canvas_height - 1)); + + /* If we are editing an item, make sure it is visible. */ + e_icon_bar_ensure_edited_item_visible (icon_bar); + + GTK_LAYOUT (widget)->vadjustment->step_increment = 16; + + e_icon_bar_update_highlight (icon_bar); +} + + +/* This sets all the item positions which are the same for all items in the + group. */ +static void +e_icon_bar_recalc_common_positions (EIconBar *icon_bar) +{ + gint canvas_width; + + canvas_width = GTK_WIDGET (icon_bar)->allocation.width; + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) { + icon_bar->icon_x = (canvas_width - E_ICON_BAR_LARGE_ICON_WIDTH) / 2; + icon_bar->icon_w = E_ICON_BAR_LARGE_ICON_WIDTH; + icon_bar->icon_h = E_ICON_BAR_LARGE_ICON_HEIGHT; + + icon_bar->text_x = E_ICON_BAR_LARGE_ICON_TEXT_X; + icon_bar->text_w = MAX (canvas_width - (E_ICON_BAR_LARGE_ICON_TEXT_X * 2), 5); + + icon_bar->spacing = E_ICON_BAR_LARGE_ICON_SPACING; + } else { + icon_bar->icon_x = E_ICON_BAR_SMALL_ICON_X; + icon_bar->icon_w = E_ICON_BAR_SMALL_ICON_WIDTH; + icon_bar->icon_h = E_ICON_BAR_SMALL_ICON_HEIGHT; + + icon_bar->text_x = E_ICON_BAR_SMALL_ICON_TEXT_X; + icon_bar->text_w = MAX (canvas_width - E_ICON_BAR_SMALL_ICON_TEXT_X, 5); + + icon_bar->spacing = E_ICON_BAR_SMALL_ICON_SPACING; + } +} + + +/* This recalculates the positions of all the items, according to the current + view type and the height of the text items. */ +static gint +e_icon_bar_recalc_item_positions (EIconBar *icon_bar) +{ + EIconBarItem *item; + gint y, item_num; + gdouble x1, y1, x2, y2, xalign; + GtkJustification justify; + gint max_lines; + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) { + xalign = 0.5; + justify = GTK_JUSTIFY_CENTER; + max_lines = 2; + } else { + xalign = 0.0; + justify = GTK_JUSTIFY_LEFT; + max_lines = 1; + } + + /* Now step through the items, setting the y positions. */ + y = icon_bar->spacing; + for (item_num = 0; item_num < icon_bar->items->len; item_num++) { + item = &g_array_index (icon_bar->items, + EIconBarItem, item_num); + + e_icon_bar_text_item_set_width (E_ICON_BAR_TEXT_ITEM (item->text), + icon_bar->text_w); + + /* Get the text item's height. */ + gnome_canvas_item_get_bounds (item->text, &x1, &y1, &x2, &y2); + item->text_width = x2 - x1; + item->text_height = y2 - y1; + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) { + item->icon_y = y; + item->text_y = y + E_ICON_BAR_LARGE_ICON_TEXT_Y; + + item->item_height = E_ICON_BAR_LARGE_ICON_TEXT_Y + + item->text_height; + } else { + item->item_height = MAX (item->text_height, E_ICON_BAR_SMALL_ICON_HEIGHT); + item->icon_y = y + (item->item_height - E_ICON_BAR_SMALL_ICON_HEIGHT) / 2; + item->text_y = y + (item->item_height - item->text_height) / 2; + } + + e_icon_bar_text_item_setxy (E_ICON_BAR_TEXT_ITEM (item->text), + icon_bar->text_x, item->text_y); + + /* We need to get the bounds again, in case it has moved. */ + gnome_canvas_item_get_bounds (item->text, &x1, &y1, &x2, &y2); + item->text_x = x1; + + gnome_canvas_item_set (item->text, + "EIconBarTextItem::xalign", xalign, + "EIconBarTextItem::justify", justify, + "EIconBarTextItem::max_lines", max_lines, + NULL); + + gnome_canvas_item_set (item->image, + "GnomeCanvasImage::x", (gdouble)icon_bar->icon_x, + "GnomeCanvasImage::y", (gdouble)item->icon_y, + "GnomeCanvasImage::width", (gdouble)icon_bar->icon_w, + "GnomeCanvasImage::height", (gdouble)icon_bar->icon_h, + NULL); + + y += item->item_height + icon_bar->spacing; + } + + return y; +} + + +static gint +e_icon_bar_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event) +{ + EIconBar *icon_bar; + + icon_bar = E_ICON_BAR (widget); + + GTK_WIDGET_CLASS (parent_class)->leave_notify_event (widget, event); + + /* Make sure no items are highlighted. */ + e_icon_bar_item_motion (icon_bar, -1, NULL); + + return FALSE; +} + + +static gint +e_icon_bar_focus_in (GtkWidget *widget, + GdkEventFocus *event) +{ + g_return_val_if_fail (widget != NULL, FALSE); + g_return_val_if_fail (E_IS_ICON_BAR (widget), FALSE); + g_return_val_if_fail (event != NULL, FALSE); + + GTK_WIDGET_CLASS (parent_class)->focus_in_event (widget, event); + GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); + return FALSE; +} + + +static gint +e_icon_bar_focus_out (GtkWidget *widget, + GdkEventFocus *event) +{ + g_return_val_if_fail (widget != NULL, FALSE); + g_return_val_if_fail (E_IS_ICON_BAR (widget), FALSE); + g_return_val_if_fail (event != NULL, FALSE); + + GTK_WIDGET_CLASS (parent_class)->focus_out_event (widget, event); + GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); + return FALSE; +} + + +/* Key event handler for the canvas. + FIXME: GnomeCanvas bug workaround - I needed to override this to stop the + canvas ignoring key events from other windows. */ +static gint +e_icon_bar_key_event (GtkWidget *widget, GdkEventKey *event) +{ + GnomeCanvas *canvas; + + g_return_val_if_fail (widget != NULL, FALSE); + g_return_val_if_fail (E_IS_ICON_BAR (widget), FALSE); + g_return_val_if_fail (event != NULL, FALSE); + + canvas = GNOME_CANVAS (widget); + + if (event->window != canvas->layout.bin_window) { + /* We change the window in the event struct so the canvas + doesn't ignore the event. Note that windows are ref-counted + in the event struct. */ + if (event->window) + gdk_window_unref (event->window); + event->window = canvas->layout.bin_window; + gdk_window_ref (event->window); + } + + /* These both call the same function at present, but we'll do it + properly just in case that changes. */ + if (event->type == GDK_KEY_PRESS) + return (*GTK_WIDGET_CLASS (parent_class)->key_press_event)(widget, event); + else + return (*GTK_WIDGET_CLASS (parent_class)->key_release_event)(widget, event); +} + + +/** + * e_icon_bar_set_view_type: + * @icon_bar: An #EIconBar. + * @view_type: The new view type, %E_ICON_BAR_LARGE_ICONS or + * %E_ICON_BAR_SMALL_ICONS. + * + * Sets the view type of the #EIconBar. + **/ +void +e_icon_bar_set_view_type (EIconBar *icon_bar, + EIconBarViewType view_type) +{ + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + + if (icon_bar->view_type == view_type) + return; + + icon_bar->view_type = view_type; + + /* Queue a resize of the canvas, so everything is put in the right + positions based on the new view type. */ + gtk_widget_queue_resize (GTK_WIDGET (icon_bar)); +} + + +/** + * e_icon_bar_add_item: + * @icon_bar: An #EIconBar. + * @image: the new item's icon. + * @text: the new item's text. + * @position: the position to place the new item, or -1 to place it last. + * + * Adds an item to the #EIconBar at the given position. + **/ +gint +e_icon_bar_add_item (EIconBar *icon_bar, + GdkImlibImage *image, + gchar *text, + gint position) +{ + EIconBarItem item; + gfloat xalign; + GtkJustification justify; + gint max_lines, retval; + + g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), -1); + g_return_val_if_fail (text != NULL, -1); + g_return_val_if_fail (position >= -1, -1); + g_return_val_if_fail (position <= (gint)icon_bar->items->len, -1); + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) { + xalign = 0.5; + justify = GTK_JUSTIFY_CENTER; + max_lines = 2; + } else { + xalign = 0.0; + justify = GTK_JUSTIFY_LEFT; + max_lines = 1; + } + + item.text = gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (icon_bar)->root), + e_icon_bar_text_item_get_type (), + "EIconBarTextItem::xalign", xalign, + "EIconBarTextItem::justify", justify, + "EIconBarTextItem::max_lines", max_lines, + NULL); + e_icon_bar_text_item_configure (E_ICON_BAR_TEXT_ITEM (item.text), + icon_bar->text_x, 0, + icon_bar->text_w, NULL, + text, FALSE); + gtk_signal_connect (GTK_OBJECT (item.text), "height_changed", + GTK_SIGNAL_FUNC (e_icon_bar_on_text_height_changed), icon_bar); + gtk_signal_connect (GTK_OBJECT (item.text), "event", + GTK_SIGNAL_FUNC (e_icon_bar_on_item_event), + icon_bar); + gtk_signal_connect (GTK_OBJECT (item.text), "editing_started", + GTK_SIGNAL_FUNC (e_icon_bar_on_text_item_editing_started), + icon_bar); + gtk_signal_connect (GTK_OBJECT (item.text), "editing_stopped", + GTK_SIGNAL_FUNC (e_icon_bar_on_text_item_editing_stopped), + icon_bar); + + item.image = gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (icon_bar)->root), + gnome_canvas_image_get_type (), + "GnomeCanvasImage::image", image, + "GnomeCanvasImage::anchor", GTK_ANCHOR_NORTH_WEST, + "GnomeCanvasImage::width", (gdouble) icon_bar->icon_w, + "GnomeCanvasImage::height", (gdouble) icon_bar->icon_h, + NULL); + gtk_signal_connect (GTK_OBJECT (item.image), "event", + GTK_SIGNAL_FUNC (e_icon_bar_on_item_event), + icon_bar); + + item.data = NULL; + item.destroy = NULL; + + if (position == -1) { + g_array_append_val (icon_bar->items, item); + retval = icon_bar->items->len - 1; + } else { + g_array_insert_val (icon_bar->items, position, item); + retval = position; + + /* FIXME: Should possibly update other indices. */ + if (icon_bar->dragged_item_num >= position) + icon_bar->dragged_item_num++; + } + + gtk_widget_queue_resize (GTK_WIDGET (icon_bar)); + + return retval; +} + + +/** + * e_icon_bar_reorder_item: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item to move. + * @new_position: The new position of the item, which is used after the item + * has been removed from its current position. If @new_position is -1, the item + * is placed last. + * + * Moves an item to a new position within the #EIconBar. + **/ +void +e_icon_bar_reorder_item (EIconBar *icon_bar, + gint item_num, + gint new_position) +{ + EIconBarItem tmp_item; + + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + g_return_if_fail (item_num >= 0); + g_return_if_fail (item_num < icon_bar->items->len); + g_return_if_fail (new_position >= -1); + g_return_if_fail (new_position < icon_bar->items->len); + + tmp_item = g_array_index (icon_bar->items, EIconBarItem, item_num); + g_array_remove_index (icon_bar->items, item_num); + + if (new_position == -1) + g_array_append_val (icon_bar->items, tmp_item); + else + g_array_insert_val (icon_bar->items, new_position, tmp_item); + + gtk_widget_queue_resize (GTK_WIDGET (icon_bar)); +} + + +/** + * e_icon_bar_remove_item: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item to remove. + * + * Removes an item from the #EIconBar. + **/ +void +e_icon_bar_remove_item (EIconBar *icon_bar, + gint item_num) +{ + EIconBarItem *item; + + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + g_return_if_fail (item_num >= 0); + g_return_if_fail (item_num < icon_bar->items->len); + + item = &g_array_index (icon_bar->items, EIconBarItem, item_num); + + if (item->destroy) + item->destroy (item->data); + + gtk_object_destroy (GTK_OBJECT (item->text)); + gtk_object_destroy (GTK_OBJECT (item->image)); + + g_array_remove_index (icon_bar->items, item_num); + + gtk_widget_queue_resize (GTK_WIDGET (icon_bar)); +} + + +/** + * e_icon_bar_get_item_image: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * @Returns: The icon of the given item. + * + * Returns the icon used for the given item. + **/ +GdkImlibImage* +e_icon_bar_get_item_image (EIconBar *icon_bar, + gint item_num) +{ + EIconBarItem *item; + GdkImlibImage *image; + + g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), NULL); + g_return_val_if_fail (item_num >= 0, NULL); + g_return_val_if_fail (item_num < icon_bar->items->len, NULL); + + item = &g_array_index (icon_bar->items, EIconBarItem, item_num); + gtk_object_get (GTK_OBJECT (item->image), + "GnomeCanvasImage::image", image, + NULL); + return image; +} + + +/** + * e_icon_bar_set_item_image: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * @image: The new icon to use for the given item. + * + * Sets the icon to use for the given item. + **/ +void +e_icon_bar_set_item_image (EIconBar *icon_bar, + gint item_num, + GdkImlibImage *image) +{ + EIconBarItem *item; + + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + g_return_if_fail (item_num >= 0); + g_return_if_fail (item_num < icon_bar->items->len); + + item = &g_array_index (icon_bar->items, EIconBarItem, item_num); + gnome_canvas_item_set (item->image, + "GnomeCanvasImage::image", image, + NULL); +} + + +/** + * e_icon_bar_get_item_text: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * @Returns: The text of the given item. + * + * Returns the text of the given item. + **/ +gchar* +e_icon_bar_get_item_text (EIconBar *icon_bar, + gint item_num) +{ + EIconBarItem *item; + + g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), NULL); + g_return_val_if_fail (item_num >= 0, NULL); + g_return_val_if_fail (item_num < icon_bar->items->len, NULL); + + item = &g_array_index (icon_bar->items, EIconBarItem, item_num); + return e_icon_bar_text_item_get_text (E_ICON_BAR_TEXT_ITEM (item->text)); +} + + +/** + * e_icon_bar_set_item_text: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * @text: The new text for the given item. + * + * Sets the text of the given item. + **/ +void +e_icon_bar_set_item_text (EIconBar *icon_bar, + gint item_num, + gchar *text) +{ + EIconBarItem *item; + + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + g_return_if_fail (item_num >= 0); + g_return_if_fail (item_num < icon_bar->items->len); + + item = &g_array_index (icon_bar->items, EIconBarItem, item_num); + e_icon_bar_text_item_set_text (E_ICON_BAR_TEXT_ITEM (item->text), + text, FALSE); +} + + +/** + * e_icon_bar_get_item_data: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * @Returns: The user data associated with the given item. + * + * Returns the user data associated with the given item. + **/ +gpointer +e_icon_bar_get_item_data (EIconBar *icon_bar, + gint item_num) +{ + EIconBarItem *item; + + g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), NULL); + g_return_val_if_fail (item_num >= 0, NULL); + g_return_val_if_fail (item_num < icon_bar->items->len, NULL); + + item = &g_array_index (icon_bar->items, EIconBarItem, item_num); + return item->data; +} + + +/** + * e_icon_bar_set_item_data: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * @data: The user data to set for the given item. + * + * Sets the user data of the given item. + **/ +void +e_icon_bar_set_item_data (EIconBar *icon_bar, + gint item_num, + gpointer data) +{ + e_icon_bar_set_item_data_full (icon_bar, item_num, data, NULL); +} + + +/** + * e_icon_bar_set_item_data_full: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * @data: The user data to set for the given item. + * @destroy: The function to free @data when the item is destroyed. + * + * Sets the user data of the given item, and the function to free the data + * when the item is destroyed. + **/ +void +e_icon_bar_set_item_data_full (EIconBar *icon_bar, + gint item_num, + gpointer data, + GtkDestroyNotify destroy) +{ + EIconBarItem *item; + + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + g_return_if_fail (item_num >= 0); + g_return_if_fail (item_num < icon_bar->items->len); + + item = &g_array_index (icon_bar->items, EIconBarItem, item_num); + + if (item->destroy) + item->destroy (item->data); + + item->data = data; + item->destroy = destroy; +} + + +static void +e_icon_bar_on_text_height_changed (GnomeCanvasItem *text_item, + EIconBar *icon_bar) +{ + gtk_widget_queue_resize (GTK_WIDGET (icon_bar)); +} + + +/* This returns the index of the given item, or -1 if it isn't found. */ +static gint +e_icon_bar_find_item (EIconBar *icon_bar, + GnomeCanvasItem *canvas_item) +{ + EIconBarItem *item; + gint item_num; + + for (item_num = 0; item_num < icon_bar->items->len; item_num++) { + item = &g_array_index (icon_bar->items, + EIconBarItem, item_num); + + if (item->text == canvas_item || item->image == canvas_item) { + return item_num; + } + } + + return -1; +} + + +/* When an item has a grab, it will get all events, so we need to use the + position to find the real item. */ +static gboolean +e_icon_bar_on_item_event (GnomeCanvasItem *item, + GdkEvent *event, + EIconBar *icon_bar) +{ + gint item_num; + + switch (event->type) { + case GDK_BUTTON_PRESS: + item_num = e_icon_bar_find_item_at_position (icon_bar, + event->button.x, + event->button.y, + NULL); + e_icon_bar_item_pressed (icon_bar, item_num, event); + return TRUE; + case GDK_BUTTON_RELEASE: + item_num = e_icon_bar_find_item_at_position (icon_bar, + event->button.x, + event->button.y, + NULL); + e_icon_bar_item_released (icon_bar, item_num, event); + return TRUE; + case GDK_MOTION_NOTIFY: + item_num = e_icon_bar_find_item_at_position (icon_bar, + event->motion.x, + event->motion.y, + NULL); + e_icon_bar_item_motion (icon_bar, item_num, event); + return TRUE; + default: + break; + } + + return FALSE; +} + + +void +e_icon_bar_item_pressed (EIconBar *icon_bar, + gint item_num, + GdkEvent *event) +{ + EIconBarItem *item; + gint button; + + /* If we are editing an item, and a different item (or anywhere outside + an item) is clicked, stop the edit. If the item being edited is + clicked we just return, since the user may be selecting text. */ + if (icon_bar->editing_item_num != -1) { + if (icon_bar->editing_item_num == item_num) { + item = &g_array_index (icon_bar->items, EIconBarItem, + icon_bar->editing_item_num); + if (!GTK_WIDGET_HAS_FOCUS (item->text->canvas) + || item->text->canvas->focused_item != item->text) + gnome_canvas_item_grab_focus (item->text); + } else { + e_icon_bar_stop_editing_item (icon_bar, TRUE); + } + + return; + } + + button = event->button.button; + + if (button == 1 && item_num != -1) { + icon_bar->pressed_item_num = item_num; + icon_bar->pressed_x = event->button.x; + icon_bar->pressed_y = event->button.y; + gtk_widget_queue_draw (GTK_WIDGET (icon_bar)); + } else if (button == 3) { + gtk_signal_emit (GTK_OBJECT (icon_bar), + e_icon_bar_signals[ITEM_SELECTED], + event, item_num); + } +} + + +void +e_icon_bar_item_released (EIconBar *icon_bar, + gint item_num, + GdkEvent *event) +{ + gint button; + + /* If we are editing an item, just return. */ + if (icon_bar->editing_item_num != -1) + return; + + button = event->button.button; + + if (button == 1) { + if (icon_bar->pressed_item_num == icon_bar->mouse_over_item_num) { + gtk_signal_emit (GTK_OBJECT (icon_bar), + e_icon_bar_signals[ITEM_SELECTED], + event, item_num); + } + + icon_bar->pressed_item_num = -1; + gtk_widget_queue_draw (GTK_WIDGET (icon_bar)); + } +} + + +void +e_icon_bar_item_motion (EIconBar *icon_bar, + gint item_num, + GdkEvent *event) +{ + gboolean need_redraw = TRUE; + + if (event && event->motion.state & GDK_BUTTON1_MASK + && icon_bar->pressed_item_num != -1) { + if (abs (event->motion.x - icon_bar->pressed_x) > E_ICON_BAR_DRAG_START_OFFSET + || abs (event->motion.y - icon_bar->pressed_y) > E_ICON_BAR_DRAG_START_OFFSET) { + icon_bar->dragged_item_num = icon_bar->pressed_item_num; + gtk_signal_emit (GTK_OBJECT (icon_bar), + e_icon_bar_signals[ITEM_DRAGGED], + event, icon_bar->dragged_item_num); + + /* Don't show the button as pressed while dragging. */ + icon_bar->pressed_item_num = -1; + gtk_widget_queue_draw (GTK_WIDGET (icon_bar)); + } + + return; + } + + if (icon_bar->mouse_over_item_num == item_num) + return; + + /* If we are editing an item, items aren't highlighted so we don't + need a redraw. Also if an item is pressed, we only need a redraw if + item_num or the old mouse_over_item_num is the pressed item. */ + if (icon_bar->editing_item_num != -1) { + need_redraw = FALSE; + } else if (icon_bar->pressed_item_num != -1) { + if (icon_bar->pressed_item_num != item_num + && icon_bar->pressed_item_num != icon_bar->mouse_over_item_num) + need_redraw = FALSE; + } + + icon_bar->mouse_over_item_num = item_num; + + if (need_redraw) + gtk_widget_queue_draw (GTK_WIDGET (icon_bar)); +} + + +/* This returns the index of the item at the given position on the EIconBar, + or -1 if no item is found. If before_item is not NULL, it returns the + item which the mouse is before, or -1 (for dragging). */ +gint +e_icon_bar_find_item_at_position (EIconBar *icon_bar, + gint x, + gint y, + gint *before_item) +{ + EIconBarItem *item; + gint item_num; + + if (before_item) + *before_item = -1; + + for (item_num = 0; item_num < icon_bar->items->len; item_num++) { + item = &g_array_index (icon_bar->items, + EIconBarItem, item_num); + + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) { + if (e_icon_bar_large_icons_intersects (icon_bar, item, + x, y)) + return item_num; + + if (before_item + && e_icon_bar_large_icons_is_before (icon_bar, + item, x, y)) { + *before_item = item_num; + return -1; + } + } else { + if (e_icon_bar_small_icons_intersects (icon_bar, item, + x, y)) + return item_num; + + if (before_item + && e_icon_bar_small_icons_is_before (icon_bar, + item, x, y)) { + *before_item = item_num; + return -1; + } + + } + + } + + /* If the mouse is below all the items, but inside the items' width, + and before_item is not NULL, we set it to the number of items, so + the dropped item would be added at the end. Note that this assumes + that the item variable points to the last item in the EIconBar. */ + if (before_item) { + if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) { + if (x < icon_bar->text_x + || x >= icon_bar->text_x + icon_bar->text_w) + return -1; + + if (item == NULL + || y > item->icon_y + item->item_height) + *before_item = icon_bar->items->len; + } else { + if (x < icon_bar->icon_x + || x >= icon_bar->text_x + icon_bar->text_w) + return -1; + + if (item == NULL) { + *before_item = icon_bar->items->len; + } else { + gint max_y; + max_y = MAX (item->icon_y + icon_bar->icon_h, + item->text_y + item->text_height); + if (y > max_y) + *before_item = icon_bar->items->len; + } + } + } + + return -1; +} + + +static gboolean +e_icon_bar_large_icons_intersects (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y) +{ + if (y < item->icon_y || y >= item->text_y + item->text_height) + return FALSE; + + if (y < item->icon_y + icon_bar->icon_h) { + if (x < icon_bar->icon_x + || x >= icon_bar->icon_x + icon_bar->icon_w) + return FALSE; + } else { + if (x < item->text_x + || x >= item->text_x + item->text_width) + return FALSE; + } + + return TRUE; +} + + +static gboolean +e_icon_bar_large_icons_is_before (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y) +{ + if (y < item->icon_y - icon_bar->spacing + || y >= item->icon_y) + return FALSE; + + if (x < icon_bar->text_x || x >= icon_bar->text_x + icon_bar->text_w) + return FALSE; + + return TRUE; +} + + +static gboolean +e_icon_bar_small_icons_intersects (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y) +{ + gint min_y, max_y; + + min_y = MIN (item->icon_y, item->text_y); + max_y = MAX (item->icon_y + icon_bar->icon_h, + item->text_y + item->text_height); + + if (y < min_y || y >= max_y) + return FALSE; + + if (x < icon_bar->icon_x || x >= item->text_x + item->text_width) + return FALSE; + + return TRUE; +} + + +static gboolean +e_icon_bar_small_icons_is_before (EIconBar *icon_bar, + EIconBarItem *item, + gint x, + gint y) +{ + gint min_y, max_y; + + max_y = MIN (item->icon_y, item->text_y); + min_y = max_y - icon_bar->spacing; + + if (y < min_y || y >= max_y) + return FALSE; + + if (x < icon_bar->icon_x || x >= icon_bar->text_x + icon_bar->text_w) + return FALSE; + + return TRUE; +} + + +/** + * e_icon_bar_start_editing_item: + * @icon_bar: An #EIconBar. + * @item_num: The index of the item. + * + * Turns the item into an editable text field so the user can rename it. + * Editing is stopped automatically when the user hits 'Return' or clicks + * outside the item. It can also be stopped explicitly by calling + * e_icon_bar_stop_editing_item(). + **/ +void +e_icon_bar_start_editing_item (EIconBar *icon_bar, + gint item_num) +{ + EIconBarItem *item; + + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + g_return_if_fail (item_num >= 0); + g_return_if_fail (item_num < icon_bar->items->len); + + item = &g_array_index (icon_bar->items, + EIconBarItem, item_num); + + e_icon_bar_text_item_start_editing (E_ICON_BAR_TEXT_ITEM (item->text)); +} + + +/** + * e_icon_bar_stop_editing_item: + * @icon_bar: An #EIconBar. + * @accept: TRUE if the changes should be accepted, FALSE if the text should be + * changed back to its state before the editing started. + * + * Stops the editing of the items, if any were being edited. + **/ +void +e_icon_bar_stop_editing_item (EIconBar *icon_bar, + gboolean accept) +{ + EIconBarItem *item; + + g_return_if_fail (E_IS_ICON_BAR (icon_bar)); + + if (icon_bar->editing_item_num != -1) { + item = &g_array_index (icon_bar->items, EIconBarItem, + icon_bar->editing_item_num); + e_icon_bar_text_item_stop_editing (E_ICON_BAR_TEXT_ITEM (item->text), accept); + } +} + + +static void +e_icon_bar_on_text_item_editing_started (EIconBarTextItem *text_item, + EIconBar *icon_bar) +{ + gint item_num; + + item_num = e_icon_bar_find_item (icon_bar, + GNOME_CANVAS_ITEM (text_item)); + g_return_if_fail (item_num != -1); + + /* Turn off any highlighted item. */ + e_icon_bar_item_motion (icon_bar, -1, NULL); + + icon_bar->editing_item_num = item_num; + + e_icon_bar_ensure_edited_item_visible (icon_bar); +} + + +static void +e_icon_bar_on_text_item_editing_stopped (EIconBarTextItem *text_item, + EIconBar *icon_bar) +{ + gint item_num; + + item_num = e_icon_bar_find_item (icon_bar, + GNOME_CANVAS_ITEM (text_item)); + g_return_if_fail (item_num != -1); + + e_icon_bar_text_item_select (text_item, FALSE); + + icon_bar->editing_item_num = -1; + + e_icon_bar_update_highlight (icon_bar); +} + + +static void +e_icon_bar_ensure_edited_item_visible (EIconBar *icon_bar) +{ + EIconBarItem *item; + gint scroll_x, scroll_y, min_scroll_y, max_scroll_y, new_scroll_y; + + if (icon_bar->editing_item_num == -1) + return; + + item = &g_array_index (icon_bar->items, + EIconBarItem, icon_bar->editing_item_num); + gnome_canvas_get_scroll_offsets (GNOME_CANVAS (icon_bar), + &scroll_x, &scroll_y); + + /* The minimum scroll y position is with the text right on the bottom + of the display. */ + min_scroll_y = item->text_y + item->text_height + E_ICON_BAR_V_SPACE + - GTK_WIDGET (icon_bar)->allocation.height; + /* The maximum scroll y position is with the text at the top. */ + max_scroll_y = item->text_y - E_ICON_BAR_V_SPACE; + + new_scroll_y = MAX (scroll_y, min_scroll_y); + new_scroll_y = MIN (new_scroll_y, max_scroll_y); + + if (new_scroll_y != scroll_y) + gnome_canvas_scroll_to (GNOME_CANVAS (icon_bar), + scroll_x, new_scroll_y); +} + + +/* This gets the mouse position and updates the highlight if necessary. + It is called after items are added/deleted/scrolled/edited. */ +static void +e_icon_bar_update_highlight (EIconBar *icon_bar) +{ + GtkWidget *widget; + gint x, y, item_num; + + widget = GTK_WIDGET (icon_bar); + + if (!widget->window) + return; + + gdk_window_get_pointer (widget->window, &x, &y, NULL); + + if (x < 0 || y < 0 + || x > widget->allocation.width || y > widget->allocation.height) + return; + + item_num = e_icon_bar_find_item_at_position (icon_bar, x, y, NULL); + e_icon_bar_item_motion (icon_bar, item_num, NULL); +} + + +static gint +e_icon_bar_drag_motion (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time) +{ + EIconBar *icon_bar; + gint item_num, before_item, scroll_x, scroll_y; + + g_return_val_if_fail (E_IS_ICON_BAR (widget), FALSE); + + icon_bar = E_ICON_BAR (widget); + + icon_bar->in_drag = TRUE; + + /* Check if the mouse is over or between items, and if so highlight. */ + gnome_canvas_get_scroll_offsets (GNOME_CANVAS (icon_bar), + &scroll_x, &scroll_y); + item_num = e_icon_bar_find_item_at_position (icon_bar, + x + scroll_x, + y + scroll_y, + &before_item); + e_icon_bar_item_motion (icon_bar, item_num, NULL); + e_icon_bar_set_dragging_before_item (icon_bar, before_item); + + /* Check if the mouse is at the top or bottom of the bar, and if it is + scroll up/down. */ + if (y < E_ICON_BAR_DRAG_AUTO_SCROLL_OFFSET) + icon_bar->scrolling_up = TRUE; + else if (y >= widget->allocation.height - E_ICON_BAR_DRAG_AUTO_SCROLL_OFFSET) + icon_bar->scrolling_up = FALSE; + else { + if (icon_bar->auto_scroll_timeout_id != 0) { + gtk_timeout_remove (icon_bar->auto_scroll_timeout_id); + icon_bar->auto_scroll_timeout_id = 0; + } + return FALSE; + } + + if (icon_bar->auto_scroll_timeout_id == 0) { + icon_bar->auto_scroll_timeout_id = g_timeout_add (E_ICON_BAR_SCROLL_TIMEOUT, e_icon_bar_timeout_handler, icon_bar); + icon_bar->auto_scroll_delay = E_ICON_BAR_SCROLL_DELAY; + } + + return FALSE; +} + + +static void +e_icon_bar_drag_leave (GtkWidget *widget, + GdkDragContext *context, + guint time) +{ + EIconBar *icon_bar; + + g_return_if_fail (E_IS_ICON_BAR (widget)); + + icon_bar = E_ICON_BAR (widget); + + icon_bar->in_drag = FALSE; + + if (icon_bar->auto_scroll_timeout_id != 0) { + gtk_timeout_remove (icon_bar->auto_scroll_timeout_id); + icon_bar->auto_scroll_timeout_id = 0; + } + + if (icon_bar->mouse_over_item_num != -1) { + icon_bar->mouse_over_item_num = -1; + gtk_widget_queue_draw (GTK_WIDGET (icon_bar)); + } +} + + +static void +e_icon_bar_set_dragging_before_item (EIconBar *icon_bar, + gint before_item) +{ + if (icon_bar->dragging_before_item_num == before_item) + return; + + icon_bar->dragging_before_item_num = before_item; + + gtk_widget_queue_draw (GTK_WIDGET (icon_bar)); +} + + +static gboolean +e_icon_bar_timeout_handler (gpointer data) +{ + EIconBar *icon_bar; + gint scroll_x, scroll_y, new_scroll_y; + GtkAdjustment *adj; + + g_return_val_if_fail (E_IS_ICON_BAR (data), FALSE); + + icon_bar = E_ICON_BAR (data); + + GDK_THREADS_ENTER (); + + if (icon_bar->auto_scroll_delay > 0) { + icon_bar->auto_scroll_delay--; + GDK_THREADS_LEAVE (); + return TRUE; + } + + gnome_canvas_get_scroll_offsets (GNOME_CANVAS (icon_bar), + &scroll_x, &scroll_y); + + adj = GTK_LAYOUT (icon_bar)->vadjustment; + + if (icon_bar->scrolling_up) + new_scroll_y = MAX (scroll_y - adj->step_increment, 0); + else + new_scroll_y = MIN (scroll_y + adj->step_increment, + adj->upper - adj->page_size); + + if (new_scroll_y != scroll_y) + gnome_canvas_scroll_to (GNOME_CANVAS (icon_bar), + scroll_x, new_scroll_y); + + GDK_THREADS_LEAVE (); + return TRUE; +} diff --git a/widgets/shortcut-bar/e-icon-bar.h b/widgets/shortcut-bar/e-icon-bar.h new file mode 100644 index 0000000000..74b7507384 --- /dev/null +++ b/widgets/shortcut-bar/e-icon-bar.h @@ -0,0 +1,221 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ +#ifndef _E_ICON_BAR_H_ +#define _E_ICON_BAR_H_ + +#include <gdk_imlib.h> +#include <libgnomeui/gnome-canvas.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* + * EIconBar is a subclass of GnomeCanvas for displaying a vertical column of + * icons and descriptions. It provides 2 views - large icons and small icons. + */ + + +/* This contains information on one item. */ +typedef struct _EIconBarItem EIconBarItem; +struct _EIconBarItem +{ + GnomeCanvasItem *text; + GnomeCanvasItem *image; + + /* This is user data attached to the item, e.g. a URL. */ + gpointer data; + GtkDestroyNotify destroy; + + /* This is the height of the item. */ + gint item_height; + + /* This is the actual x, width and height of the text, rather than + the maximum allowed area. */ + gint text_x; + gint text_width; + gint text_height; + + gint icon_y, text_y; +}; + + +/* These are the view types. Defaults to LARGE_ICONS. */ +typedef enum +{ + E_ICON_BAR_LARGE_ICONS, + E_ICON_BAR_SMALL_ICONS +} EIconBarViewType; + + +#define E_ICON_BAR(obj) GTK_CHECK_CAST (obj, e_icon_bar_get_type (), EIconBar) +#define E_ICON_BAR_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, e_icon_bar_get_type (), EIconBarClass) +#define E_IS_ICON_BAR(obj) GTK_CHECK_TYPE (obj, e_icon_bar_get_type ()) + + +typedef struct _EIconBar EIconBar; +typedef struct _EIconBarClass EIconBarClass; + +struct _EIconBar +{ + GnomeCanvas canvas; + + /* This specifies if we are using large icons or small icons. */ + EIconBarViewType view_type; + + /* This is an array of EIconBarItem elements. */ + GArray *items; + + /* This is the index of the item which has been pressed, or -1. + It will be shown as pressed in while the mouse is over it. */ + gint pressed_item_num; + + /* This is the coordinates of where the button was pressed. If the + mouse moves a certain distance with the button still pressed, we + start a drag. */ + gint pressed_x; + gint pressed_y; + + /* This is the index of the item the mouse is currently over, or -1. + It will be highlighted unless one of the items is pressed. */ + gint mouse_over_item_num; + + /* This is the item that we are currently editing, or -1. */ + gint editing_item_num; + + /* This is the index of the item which is being dragged, or -1. + If the drag results in a move it will be deleted. */ + gint dragged_item_num; + + /* This is TRUE if we are dragging over this EIconBar. */ + gboolean in_drag; + + /* This is used in drag-and-drop to indicate the item which the mouse + is currently before, e.g. if it is 1 then a dropped item would be + inserted between items 0 and 1. It ranges from 0 to the number of + items, or is -1 when the mouse is not dragging between items. */ + gint dragging_before_item_num; + + /* These are the common positions of all the items in the EIconBar. */ + gint icon_x, icon_w, icon_h, text_x, text_w, spacing; + + /* This is the source id of our auto-scroll timeout handler, used when + in the middle of drag-and-drop operations. */ + gint auto_scroll_timeout_id; + gint auto_scroll_delay; + gboolean scrolling_up; +}; + +struct _EIconBarClass +{ + GnomeCanvasClass parent_class; + + void (*selected_item) (EIconBar *icon_bar, + GdkEvent *event, + gint item_num); + void (*dragged_item) (EIconBar *icon_bar, + GdkEvent *event, + gint item_num); +}; + + +GtkType e_icon_bar_get_type (void); +GtkWidget* e_icon_bar_new (void); + +/* Sets the view type. */ +void e_icon_bar_set_view_type (EIconBar *icon_bar, + EIconBarViewType view_type); + +/* Adds a new item to a group at the given position. If position is -1 it is + added at the end. It returns the index of the item. */ +gint e_icon_bar_add_item (EIconBar *icon_bar, + GdkImlibImage *image, + gchar *text, + gint position); + +/* Reorders an item. Note that position refers to the new position to add the + item after removing it from its current position. If position is -1 it is + moved to the end of the bar. */ +void e_icon_bar_reorder_item (EIconBar *icon_bar, + gint item_num, + gint new_position); +void e_icon_bar_remove_item (EIconBar *icon_bar, + gint item_num); + +GdkImlibImage* e_icon_bar_get_item_image (EIconBar *icon_bar, + gint item_num); +void e_icon_bar_set_item_image (EIconBar *icon_bar, + gint item_num, + GdkImlibImage *image); + +gchar* e_icon_bar_get_item_text (EIconBar *icon_bar, + gint item_num); +void e_icon_bar_set_item_text (EIconBar *icon_bar, + gint item_num, + gchar *text); + +gpointer e_icon_bar_get_item_data (EIconBar *icon_bar, + gint item_num); +void e_icon_bar_set_item_data (EIconBar *icon_bar, + gint item_num, + gpointer data); +void e_icon_bar_set_item_data_full (EIconBar *icon_bar, + gint item_num, + gpointer data, + GtkDestroyNotify destroy); + +void e_icon_bar_start_editing_item (EIconBar *icon_bar, + gint item_num); +void e_icon_bar_stop_editing_item (EIconBar *icon_bar, + gboolean accept); + + + +/* + * INTERNAL FUNCTIONS - for use by EIconBarBgItem. + */ + +/* This returns the index of the item at the given position on the EIconBar, + or -1 if no item is found. If before_item is not NULL, it returns the + item which the mouse is before, or -1 (this is used for dragging). */ +gint e_icon_bar_find_item_at_position (EIconBar *icon_bar, + gint x, + gint y, + gint *before_item); + +void e_icon_bar_item_pressed (EIconBar *icon_bar, + gint item_num, + GdkEvent *event); +void e_icon_bar_item_released (EIconBar *icon_bar, + gint item_num, + GdkEvent *event); +void e_icon_bar_item_motion (EIconBar *icon_bar, + gint item_num, + GdkEvent *event); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_ICON_BAR_H_ */ diff --git a/widgets/shortcut-bar/e-shortcut-bar.c b/widgets/shortcut-bar/e-shortcut-bar.c new file mode 100644 index 0000000000..7ad00feb78 --- /dev/null +++ b/widgets/shortcut-bar/e-shortcut-bar.c @@ -0,0 +1,563 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * ShortcutBar displays a vertical bar with a number of Groups, each of which + * contains any number of icons. It is used on the left of the main application + * window so users can easily access items such as folders and files. + */ + +#include <string.h> +#include <gnome.h> + +#include "e-shortcut-bar.h" +#include "e-clipped-label.h" +#include "e-vscrolled-bar.h" + +/* Drag and Drop stuff. */ +enum { + TARGET_SHORTCUT +}; +static GtkTargetEntry target_table[] = { + { "E-SHORTCUT", 0, TARGET_SHORTCUT } +}; +static guint n_targets = sizeof(target_table) / sizeof(target_table[0]); + +typedef struct _EShortcutBarBuiltinType EShortcutBarBuiltinType; +struct _EShortcutBarBuiltinType { + gchar *name; + gchar *filename; + GdkImlibImage *image; +}; + +EShortcutBarBuiltinType e_shortcut_bar_builtin_types[] = { + { "folder:", "gnome-word.png", NULL }, + { "calendar:", "gnome-calendar.png", NULL }, + { "todo:", "gnome-cromagnon.png", NULL }, + { "contacts:", "gnome-ccthemes.png", NULL } +}; +static gint e_shortcut_bar_num_builtin_types = sizeof (e_shortcut_bar_builtin_types) / sizeof (EShortcutBarBuiltinType); + +gboolean e_shortcut_bar_default_type_image_loaded = FALSE; +GdkImlibImage *e_shortcut_bar_default_type_image = NULL; +gchar *e_shortcut_bar_default_type_filename = "gnome-balsa2.png"; + +static void e_shortcut_bar_class_init (EShortcutBarClass *class); +static void e_shortcut_bar_init (EShortcutBar *shortcut_bar); +static void e_shortcut_bar_destroy (GtkObject *object); +static void e_shortcut_bar_set_canvas_style (EShortcutBar *shortcut_bar, + GtkWidget *canvas); +static void e_shortcut_bar_item_selected (EIconBar *icon_bar, + GdkEvent *event, + gint item_num, + EShortcutBar *shortcut_bar); +static void e_shortcut_bar_item_dragged (EIconBar *icon_bar, + GdkEvent *event, + gint item_num, + EShortcutBar *shortcut_bar); +static void e_shortcut_bar_on_drag_data_get (GtkWidget *widget, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint time, + EShortcutBar *shortcut_bar); +static void e_shortcut_bar_on_drag_data_received (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *data, + guint info, + guint time, + EShortcutBar *shortcut_bar); +static void e_shortcut_bar_on_drag_data_delete (GtkWidget *widget, + GdkDragContext *context, + EShortcutBar *shortcut_bar); +static void e_shortcut_bar_stop_editing (GtkWidget *button, + EShortcutBar *shortcut_bar); +static GdkImlibImage* e_shortcut_bar_get_image_from_url (EShortcutBar *shortcut_bar, + gchar *item_url); +static GdkImlibImage* e_shortcut_bar_load_image (gchar *filename); + + +enum +{ + ITEM_SELECTED, + LAST_SIGNAL +}; + +static guint e_shortcut_bar_signals[LAST_SIGNAL] = {0}; + +static EGroupBarClass *parent_class; + + +GtkType +e_shortcut_bar_get_type (void) +{ + static GtkType e_shortcut_bar_type = 0; + + if (!e_shortcut_bar_type){ + GtkTypeInfo e_shortcut_bar_info = { + "EShortcutBar", + sizeof (EShortcutBar), + sizeof (EShortcutBarClass), + (GtkClassInitFunc) e_shortcut_bar_class_init, + (GtkObjectInitFunc) e_shortcut_bar_init, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + parent_class = gtk_type_class (e_group_bar_get_type ()); + e_shortcut_bar_type = gtk_type_unique (e_group_bar_get_type (), + &e_shortcut_bar_info); + } + + return e_shortcut_bar_type; +} + + +static void +e_shortcut_bar_class_init (EShortcutBarClass *class) +{ + GtkObjectClass *object_class; + GtkWidgetClass *widget_class; + + object_class = (GtkObjectClass *) class; + widget_class = (GtkWidgetClass *) class; + + e_shortcut_bar_signals[ITEM_SELECTED] = + gtk_signal_new ("item_selected", + GTK_RUN_LAST | GTK_RUN_ACTION, + object_class->type, + GTK_SIGNAL_OFFSET (EShortcutBarClass, + selected_item), + gtk_marshal_NONE__POINTER_INT_INT, + GTK_TYPE_NONE, 3, GTK_TYPE_GDK_EVENT, + GTK_TYPE_INT, GTK_TYPE_INT); + + gtk_object_class_add_signals (object_class, e_shortcut_bar_signals, + LAST_SIGNAL); + + /* Method override */ + object_class->destroy = e_shortcut_bar_destroy; +} + + +static void +e_shortcut_bar_init (EShortcutBar *shortcut_bar) +{ + shortcut_bar->groups = g_array_new (FALSE, FALSE, + sizeof (EShortcutBarGroup)); +} + + +GtkWidget * +e_shortcut_bar_new (void) +{ + GtkWidget *shortcut_bar; + + shortcut_bar = GTK_WIDGET (gtk_type_new (e_shortcut_bar_get_type ())); + + return shortcut_bar; +} + + +static void +e_shortcut_bar_destroy (GtkObject *object) +{ + EShortcutBar *shortcut_bar; + + shortcut_bar = E_SHORTCUT_BAR (object); + + GTK_OBJECT_CLASS (parent_class)->destroy (object); + + g_array_free (shortcut_bar->groups, TRUE); +} + + +gint +e_shortcut_bar_add_group (EShortcutBar *shortcut_bar, gchar *group_name) +{ + EShortcutBarGroup *group, tmp_group; + gint group_num; + GtkWidget *button, *label; + + g_return_val_if_fail (E_IS_SHORTCUT_BAR (shortcut_bar), -1); + g_return_val_if_fail (group_name != NULL, -1); + + group_num = shortcut_bar->groups->len; + g_array_append_val (shortcut_bar->groups, tmp_group); + + group = &g_array_index (shortcut_bar->groups, + EShortcutBarGroup, group_num); + + group->vscrolled_bar = e_vscrolled_bar_new (NULL); + gtk_widget_show (group->vscrolled_bar); + gtk_signal_connect (GTK_OBJECT (E_VSCROLLED_BAR (group->vscrolled_bar)->up_button), "pressed", GTK_SIGNAL_FUNC (e_shortcut_bar_stop_editing), shortcut_bar); + gtk_signal_connect (GTK_OBJECT (E_VSCROLLED_BAR (group->vscrolled_bar)->down_button), "pressed", GTK_SIGNAL_FUNC (e_shortcut_bar_stop_editing), shortcut_bar); + + group->icon_bar = e_icon_bar_new (); + gtk_widget_show (group->icon_bar); + gtk_container_add (GTK_CONTAINER (group->vscrolled_bar), + group->icon_bar); + gtk_signal_connect (GTK_OBJECT (group->icon_bar), "item_selected", + GTK_SIGNAL_FUNC (e_shortcut_bar_item_selected), + shortcut_bar); + gtk_signal_connect (GTK_OBJECT (group->icon_bar), "item_dragged", + GTK_SIGNAL_FUNC (e_shortcut_bar_item_dragged), + shortcut_bar); + gtk_signal_connect (GTK_OBJECT (group->icon_bar), "drag_data_get", + GTK_SIGNAL_FUNC (e_shortcut_bar_on_drag_data_get), + shortcut_bar); + gtk_signal_connect (GTK_OBJECT (group->icon_bar), "drag_data_received", + GTK_SIGNAL_FUNC (e_shortcut_bar_on_drag_data_received), + shortcut_bar); + gtk_signal_connect (GTK_OBJECT (group->icon_bar), "drag_data_delete", + GTK_SIGNAL_FUNC (e_shortcut_bar_on_drag_data_delete), + shortcut_bar); + + e_shortcut_bar_set_canvas_style (shortcut_bar, group->icon_bar); + + button = gtk_button_new (); + label = e_clipped_label_new (group_name); + gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5); + gtk_widget_show (label); + gtk_container_add (GTK_CONTAINER (button), label); + gtk_widget_show (button); + gtk_signal_connect (GTK_OBJECT (button), "clicked", + GTK_SIGNAL_FUNC (e_shortcut_bar_stop_editing), + shortcut_bar); + + gtk_drag_dest_set (GTK_WIDGET (group->icon_bar), + GTK_DEST_DEFAULT_ALL, + target_table, n_targets, + GDK_ACTION_COPY | GDK_ACTION_MOVE); + gtk_drag_dest_set (GTK_WIDGET (button), + GTK_DEST_DEFAULT_ALL, + target_table, n_targets, + GDK_ACTION_COPY | GDK_ACTION_MOVE); + + e_group_bar_add_group (E_GROUP_BAR (shortcut_bar), + group->vscrolled_bar, button, -1); + + + return group_num; +} + + +void +e_shortcut_bar_remove_group (EShortcutBar *shortcut_bar, + gint group_num) +{ + e_group_bar_remove_group (E_GROUP_BAR (shortcut_bar), group_num); + g_array_remove_index (shortcut_bar->groups, group_num); +} + + +gint +e_shortcut_bar_add_item (EShortcutBar *shortcut_bar, gint group_num, + gchar *item_url, gchar *item_name) +{ + EShortcutBarGroup *group; + GdkImlibImage *image; + gint item_num; + + g_return_val_if_fail (E_IS_SHORTCUT_BAR (shortcut_bar), -1); + g_return_val_if_fail (group_num >= 0, -1); + g_return_val_if_fail (group_num < shortcut_bar->groups->len, -1); + g_return_val_if_fail (item_url != NULL, -1); + g_return_val_if_fail (item_name != NULL, -1); + + image = e_shortcut_bar_get_image_from_url (shortcut_bar, item_url); + + group = &g_array_index (shortcut_bar->groups, + EShortcutBarGroup, group_num); + + item_num = e_icon_bar_add_item (E_ICON_BAR (group->icon_bar), + image, item_name, -1); + e_icon_bar_set_item_data_full (E_ICON_BAR (group->icon_bar), item_num, + g_strdup (item_url), g_free); + return item_num; +} + + +void +e_shortcut_bar_remove_item (EShortcutBar *shortcut_bar, + gint group_num, + gint item_num) +{ + EShortcutBarGroup *group; + + g_return_if_fail (E_IS_SHORTCUT_BAR (shortcut_bar)); + g_return_if_fail (group_num >= 0); + g_return_if_fail (group_num < shortcut_bar->groups->len); + + group = &g_array_index (shortcut_bar->groups, + EShortcutBarGroup, group_num); + + e_icon_bar_remove_item (E_ICON_BAR (group->icon_bar), item_num); +} + + +static void +e_shortcut_bar_set_canvas_style (EShortcutBar *shortcut_bar, + GtkWidget *canvas) +{ + GtkRcStyle *rc_style; + + rc_style = gtk_rc_style_new (); + + rc_style->color_flags[GTK_STATE_NORMAL] = GTK_RC_FG | GTK_RC_BG; + rc_style->fg[GTK_STATE_NORMAL].red = 65535; + rc_style->fg[GTK_STATE_NORMAL].green = 65535; + rc_style->fg[GTK_STATE_NORMAL].blue = 65535; + + rc_style->bg[GTK_STATE_NORMAL].red = 32512; + rc_style->bg[GTK_STATE_NORMAL].green = 32512; + rc_style->bg[GTK_STATE_NORMAL].blue = 32512; + + gtk_widget_modify_style (GTK_WIDGET (canvas), rc_style); + gtk_rc_style_unref (rc_style); +} + + +void +e_shortcut_bar_set_view_type (EShortcutBar *shortcut_bar, + gint group_num, + EIconBarViewType view_type) +{ + EShortcutBarGroup *group; + + g_return_if_fail (E_IS_SHORTCUT_BAR (shortcut_bar)); + g_return_if_fail (group_num >= 0); + g_return_if_fail (group_num < shortcut_bar->groups->len); + + group = &g_array_index (shortcut_bar->groups, + EShortcutBarGroup, group_num); + + e_icon_bar_set_view_type (E_ICON_BAR (group->icon_bar), view_type); +} + + +static void +e_shortcut_bar_item_selected (EIconBar *icon_bar, + GdkEvent *event, + gint item_num, + EShortcutBar *shortcut_bar) +{ + gint group_num; + + group_num = e_group_bar_get_group_num (E_GROUP_BAR (shortcut_bar), + GTK_WIDGET (icon_bar)->parent); + + gtk_signal_emit (GTK_OBJECT (shortcut_bar), + e_shortcut_bar_signals[ITEM_SELECTED], + event, group_num, item_num); +} + + +static void +e_shortcut_bar_item_dragged (EIconBar *icon_bar, + GdkEvent *event, + gint item_num, + EShortcutBar *shortcut_bar) +{ + GtkTargetList *target_list; + gint group_num; + + group_num = e_group_bar_get_group_num (E_GROUP_BAR (shortcut_bar), + GTK_WIDGET (icon_bar)->parent); + + /* FIXME: free somewhere - drag_end? */ + shortcut_bar->dragged_url = g_strdup (e_icon_bar_get_item_data (icon_bar, item_num)); + shortcut_bar->dragged_name = g_strdup (e_icon_bar_get_item_text (icon_bar, item_num)); + + target_list = gtk_target_list_new (target_table, n_targets); + gtk_drag_begin (GTK_WIDGET (icon_bar), target_list, + GDK_ACTION_COPY | GDK_ACTION_MOVE, + 1, event); + gtk_target_list_unref (target_list); +} + + +static void +e_shortcut_bar_on_drag_data_get (GtkWidget *widget, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint time, + EShortcutBar *shortcut_bar) +{ + gchar *data; + + if (info == TARGET_SHORTCUT) { + data = g_strdup_printf ("%s%c%s", shortcut_bar->dragged_name, + '\0', shortcut_bar->dragged_url); + gtk_selection_data_set (selection_data, selection_data->target, + 8, data, + strlen (shortcut_bar->dragged_name) + + strlen (shortcut_bar->dragged_url) + + 2); + g_free (data); + } +} + + +static void +e_shortcut_bar_on_drag_data_received (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *data, + guint info, + guint time, + EShortcutBar *shortcut_bar) +{ + EShortcutBarGroup *group; + gchar *item_name, *item_url; + EIconBar *icon_bar; + GdkImlibImage *image; + gint group_num, item_num; + + icon_bar = E_ICON_BAR (widget); + + if ((data->length >= 0) && (data->format == 8) + && icon_bar->dragging_before_item_num != -1) { + item_name = data->data; + item_url = item_name + strlen (item_name) + 1; + + image = e_shortcut_bar_get_image_from_url (shortcut_bar, + item_url); + + group_num = e_group_bar_get_group_num (E_GROUP_BAR (shortcut_bar), + GTK_WIDGET (icon_bar)->parent); + group = &g_array_index (shortcut_bar->groups, + EShortcutBarGroup, group_num); + + item_num = e_icon_bar_add_item (E_ICON_BAR (group->icon_bar), image, item_name, icon_bar->dragging_before_item_num); + e_icon_bar_set_item_data_full (E_ICON_BAR (group->icon_bar), + item_num, g_strdup (item_url), + g_free); + + gtk_drag_finish (context, TRUE, TRUE, time); + return; + } + + gtk_drag_finish (context, FALSE, FALSE, time); +} + + +static void +e_shortcut_bar_on_drag_data_delete (GtkWidget *widget, + GdkDragContext *context, + EShortcutBar *shortcut_bar) +{ + EIconBar *icon_bar; + + icon_bar = E_ICON_BAR (widget); + + e_icon_bar_remove_item (icon_bar, icon_bar->dragged_item_num); +} + + +void +e_shortcut_bar_start_editing_item (EShortcutBar *shortcut_bar, + gint group_num, + gint item_num) +{ + EShortcutBarGroup *group; + + g_return_if_fail (E_IS_SHORTCUT_BAR (shortcut_bar)); + g_return_if_fail (group_num >= 0); + g_return_if_fail (group_num < shortcut_bar->groups->len); + + group = &g_array_index (shortcut_bar->groups, + EShortcutBarGroup, group_num); + + e_icon_bar_start_editing_item (E_ICON_BAR (group->icon_bar), item_num); +} + + +/* We stop editing any item when a scroll button is pressed. */ +static void +e_shortcut_bar_stop_editing (GtkWidget *button, + EShortcutBar *shortcut_bar) +{ + EShortcutBarGroup *group; + gint group_num; + + for (group_num = 0; + group_num < shortcut_bar->groups->len; + group_num++) { + group = &g_array_index (shortcut_bar->groups, + EShortcutBarGroup, group_num); + e_icon_bar_stop_editing_item (E_ICON_BAR (group->icon_bar), + TRUE); + } +} + + +static GdkImlibImage* +e_shortcut_bar_get_image_from_url (EShortcutBar *shortcut_bar, + gchar *item_url) +{ + gchar *method_terminator; + gint method_len, i; + + method_terminator = strchr (item_url, ':'); + if (method_terminator) { + method_len = method_terminator - item_url + 1; + + /* Check if it is a builtin type. */ + for (i = 0; i < e_shortcut_bar_num_builtin_types; i++) { + if (!strncmp (item_url, e_shortcut_bar_builtin_types[i].name, method_len)) { + if (!e_shortcut_bar_builtin_types[i].image) + e_shortcut_bar_builtin_types[i].image = e_shortcut_bar_load_image (e_shortcut_bar_builtin_types[i].filename); + return e_shortcut_bar_builtin_types[i].image; + } + } + } + + if (!e_shortcut_bar_default_type_image_loaded) { + e_shortcut_bar_default_type_image_loaded = TRUE; + e_shortcut_bar_default_type_image = e_shortcut_bar_load_image (e_shortcut_bar_default_type_filename); + } + return e_shortcut_bar_default_type_image; +} + + +static GdkImlibImage* +e_shortcut_bar_load_image (gchar *filename) +{ + gchar *pathname; + GdkImlibImage *image = NULL; + + pathname = gnome_pixmap_file (filename); + if (pathname) + image = gdk_imlib_load_image (pathname); + else + g_warning ("Couldn't find pixmap: %s", filename); + + return image; +} diff --git a/widgets/shortcut-bar/e-shortcut-bar.h b/widgets/shortcut-bar/e-shortcut-bar.h new file mode 100644 index 0000000000..1bbdfb6754 --- /dev/null +++ b/widgets/shortcut-bar/e-shortcut-bar.h @@ -0,0 +1,114 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ +#ifndef _E_SHORTCUT_BAR_H_ +#define _E_SHORTCUT_BAR_H_ + +#include "e-group-bar.h" +#include "e-icon-bar.h" + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* + * EShortcutBar displays a vertical bar with a number of Groups, each of which + * contains any number of icons. It is used on the left of the main application + * window so users can easily access items such as folders and files. + */ + + +/* This contains information on one group. */ +typedef struct _EShortcutBarGroup EShortcutBarGroup; +struct _EShortcutBarGroup +{ + /* This is the EVScrolledBar which scrolls the group. */ + GtkWidget *vscrolled_bar; + + /* This is the icon bar containing the child items. */ + GtkWidget *icon_bar; +}; + + +#define E_SHORTCUT_BAR(obj) GTK_CHECK_CAST (obj, e_shortcut_bar_get_type (), EShortcutBar) +#define E_SHORTCUT_BAR_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, e_shortcut_bar_get_type (), EShortcutBarClass) +#define E_IS_SHORTCUT_BAR(obj) GTK_CHECK_TYPE (obj, e_shortcut_bar_get_type ()) + + +typedef struct _EShortcutBar EShortcutBar; +typedef struct _EShortcutBarClass EShortcutBarClass; + +struct _EShortcutBar +{ + EGroupBar group_bar; + + /* This is an array of EShortcutBarGroup elements. */ + GArray *groups; + + gchar *dragged_url; + gchar *dragged_name; +}; + +struct _EShortcutBarClass +{ + EGroupBarClass parent_class; + + void (*selected_item) (EShortcutBar *shortcut_bar, + GdkEvent *event, + gint group_num, + gint item_num); +}; + + +GtkType e_shortcut_bar_get_type (void); +GtkWidget* e_shortcut_bar_new (void); + +/* Adds a new group, returning the index. */ +gint e_shortcut_bar_add_group (EShortcutBar *shortcut_bar, + gchar *group_name); +void e_shortcut_bar_remove_group (EShortcutBar *shortcut_bar, + gint group_num); + +/* Sets the view type for the group. */ +void e_shortcut_bar_set_view_type (EShortcutBar *shortcut_bar, + gint group_num, + EIconBarViewType view_type); + +/* Adds a new item to a group, returning the index within the group. */ +gint e_shortcut_bar_add_item (EShortcutBar *shortcut_bar, + gint group_num, + gchar *item_url, + gchar *item_name); + +void e_shortcut_bar_start_editing_item (EShortcutBar *shortcut_bar, + gint group_num, + gint item_num); +void e_shortcut_bar_remove_item (EShortcutBar *shortcut_bar, + gint group_num, + gint item_num); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_SHORTCUT_BAR_H_ */ diff --git a/widgets/shortcut-bar/e-vscrolled-bar.c b/widgets/shortcut-bar/e-vscrolled-bar.c new file mode 100644 index 0000000000..5d5f0ab2e2 --- /dev/null +++ b/widgets/shortcut-bar/e-vscrolled-bar.c @@ -0,0 +1,652 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * EVScrolledBar is like GtkScrolledWindow but only scrolls the child widget + * vertically. It is intended for scrolling narrow vertical bars. + */ + +#include <gtk/gtkarrow.h> +#include <gtk/gtkbutton.h> +#include <gtk/gtksignal.h> + +#include "e-vscrolled-bar.h" + +/* These are the offsets of the up & down buttons from the right and top/bottom + of the widget. */ +#define E_VSCROLLED_BAR_BUTTON_X_OFFSET 2 +#define E_VSCROLLED_BAR_BUTTON_Y_OFFSET 2 + +/* This is the time between scrolls. */ +#define E_VSCROLLED_BAR_SCROLL_TIMEOUT 20 + +static void e_vscrolled_bar_class_init (EVScrolledBarClass *class); +static void e_vscrolled_bar_init (EVScrolledBar *vscrolled_bar); +static void e_vscrolled_bar_destroy (GtkObject *object); +static void e_vscrolled_bar_finalize (GtkObject *object); +static void e_vscrolled_bar_map (GtkWidget *widget); +static void e_vscrolled_bar_unmap (GtkWidget *widget); +static void e_vscrolled_bar_size_request (GtkWidget *widget, + GtkRequisition *requisition); +static void e_vscrolled_bar_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); +static void e_vscrolled_bar_draw (GtkWidget *widget, + GdkRectangle *area); +static void e_vscrolled_bar_add (GtkContainer *container, + GtkWidget *child); +static void e_vscrolled_bar_remove (GtkContainer *container, + GtkWidget *child); +static void e_vscrolled_bar_forall (GtkContainer *container, + gboolean include_internals, + GtkCallback callback, + gpointer callback_data); +static void e_vscrolled_bar_adjustment_changed (GtkAdjustment *adjustment, + gpointer data); +static void e_vscrolled_bar_button_pressed (GtkWidget *button, + EVScrolledBar *vscrolled_bar); +static void e_vscrolled_bar_button_released (GtkWidget *button, + EVScrolledBar *vscrolled_bar); +static void e_vscrolled_bar_button_clicked (GtkWidget *button, + EVScrolledBar *vscrolled_bar); +static gboolean e_vscrolled_bar_timeout_handler (gpointer data); + + +static GtkBinClass *parent_class; + + +GtkType +e_vscrolled_bar_get_type (void) +{ + static GtkType e_vscrolled_bar_type = 0; + + if (!e_vscrolled_bar_type) { + GtkTypeInfo e_vscrolled_bar_info = { + "EVScrolledBar", + sizeof (EVScrolledBar), + sizeof (EVScrolledBarClass), + (GtkClassInitFunc) e_vscrolled_bar_class_init, + (GtkObjectInitFunc) e_vscrolled_bar_init, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + parent_class = gtk_type_class (GTK_TYPE_BIN); + e_vscrolled_bar_type = gtk_type_unique (GTK_TYPE_BIN, + &e_vscrolled_bar_info); + } + + return e_vscrolled_bar_type; +} + + +static void +e_vscrolled_bar_class_init (EVScrolledBarClass *class) +{ + GtkObjectClass *object_class; + GtkWidgetClass *widget_class; + GtkContainerClass *container_class; + + object_class = (GtkObjectClass *) class; + widget_class = (GtkWidgetClass *) class; + container_class = (GtkContainerClass *) class; + + /* Method override */ + object_class->destroy = e_vscrolled_bar_destroy; + object_class->finalize = e_vscrolled_bar_finalize; + + widget_class->map = e_vscrolled_bar_map; + widget_class->unmap = e_vscrolled_bar_unmap; + widget_class->size_request = e_vscrolled_bar_size_request; + widget_class->size_allocate = e_vscrolled_bar_size_allocate; + widget_class->draw = e_vscrolled_bar_draw; + + container_class->add = e_vscrolled_bar_add; + container_class->remove = e_vscrolled_bar_remove; + container_class->forall = e_vscrolled_bar_forall; +} + + +static void +e_vscrolled_bar_init (EVScrolledBar *vscrolled_bar) +{ + GtkWidget *arrow; + + GTK_WIDGET_SET_FLAGS (vscrolled_bar, GTK_NO_WINDOW); + + gtk_container_set_resize_mode (GTK_CONTAINER (vscrolled_bar), + GTK_RESIZE_QUEUE); + + gtk_widget_push_composite_child (); + + vscrolled_bar->up_button = gtk_button_new (); + gtk_widget_set_composite_name (vscrolled_bar->up_button, + "up_button"); + gtk_widget_set_parent (vscrolled_bar->up_button, + GTK_WIDGET (vscrolled_bar)); + arrow = gtk_arrow_new (GTK_ARROW_UP, GTK_SHADOW_OUT); + gtk_misc_set_padding (GTK_MISC (arrow), 1, 1); + gtk_widget_show (arrow); + gtk_container_add (GTK_CONTAINER (vscrolled_bar->up_button), arrow); + gtk_signal_connect_after (GTK_OBJECT (vscrolled_bar->up_button), "pressed", GTK_SIGNAL_FUNC (e_vscrolled_bar_button_pressed), vscrolled_bar); + gtk_signal_connect_after (GTK_OBJECT (vscrolled_bar->up_button), "released", GTK_SIGNAL_FUNC (e_vscrolled_bar_button_released), vscrolled_bar); + gtk_signal_connect (GTK_OBJECT (vscrolled_bar->up_button), "clicked", GTK_SIGNAL_FUNC (e_vscrolled_bar_button_clicked), vscrolled_bar); + + vscrolled_bar->down_button = gtk_button_new (); + gtk_widget_set_composite_name (vscrolled_bar->up_button, + "down_button"); + gtk_widget_set_parent (vscrolled_bar->down_button, + GTK_WIDGET (vscrolled_bar)); + arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT); + gtk_misc_set_padding (GTK_MISC (arrow), 1, 1); + gtk_widget_show (arrow); + gtk_container_add (GTK_CONTAINER (vscrolled_bar->down_button), arrow); + gtk_signal_connect_after (GTK_OBJECT (vscrolled_bar->down_button), "pressed", GTK_SIGNAL_FUNC (e_vscrolled_bar_button_pressed), vscrolled_bar); + gtk_signal_connect_after (GTK_OBJECT (vscrolled_bar->down_button), "released", GTK_SIGNAL_FUNC (e_vscrolled_bar_button_released), vscrolled_bar); + gtk_signal_connect (GTK_OBJECT (vscrolled_bar->down_button), "clicked", GTK_SIGNAL_FUNC (e_vscrolled_bar_button_clicked), vscrolled_bar); + + gtk_widget_pop_composite_child (); + + vscrolled_bar->adjustment = NULL; + vscrolled_bar->timeout_id = 0; + vscrolled_bar->scrolling_up = FALSE; + vscrolled_bar->min_distance = -1.0; + vscrolled_bar->button_pressed = FALSE; +} + + +/** + * e_vscrolled_bar_new: + * + * @adjustment: The #GtkAdjustment to use for scrolling, or NULL. + * @Return: A new #EVScrolledBar. + * + * Creates a new #EVScrolledBar with the given adjustment. + **/ +GtkWidget * +e_vscrolled_bar_new (GtkAdjustment *adjustment) +{ + GtkWidget *vscrolled_bar; + + vscrolled_bar = GTK_WIDGET (gtk_type_new (e_vscrolled_bar_get_type ())); + e_vscrolled_bar_set_adjustment (E_VSCROLLED_BAR (vscrolled_bar), + adjustment); + + return vscrolled_bar; +} + + +static void +e_vscrolled_bar_destroy (GtkObject *object) +{ + EVScrolledBar *vscrolled_bar; + + vscrolled_bar = E_VSCROLLED_BAR (object); + + if (vscrolled_bar->timeout_id) { + g_source_remove (vscrolled_bar->timeout_id); + vscrolled_bar->timeout_id = 0; + } + + gtk_widget_unparent (vscrolled_bar->up_button); + gtk_widget_unparent (vscrolled_bar->down_button); + + GTK_OBJECT_CLASS (parent_class)->destroy (object); +} + + +static void +e_vscrolled_bar_finalize (GtkObject *object) +{ + EVScrolledBar *vscrolled_bar; + + vscrolled_bar = E_VSCROLLED_BAR (object); + + gtk_object_unref (GTK_OBJECT (vscrolled_bar->adjustment)); + + GTK_OBJECT_CLASS (parent_class)->finalize (object); +} + + +static void +e_vscrolled_bar_map (GtkWidget *widget) +{ + EVScrolledBar *vscrolled_bar; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (widget)); + + vscrolled_bar = E_VSCROLLED_BAR (widget); + + /* chain parent class handler to map self and child */ + GTK_WIDGET_CLASS (parent_class)->map (widget); + + if (GTK_WIDGET_VISIBLE (vscrolled_bar->up_button) && + !GTK_WIDGET_MAPPED (vscrolled_bar->up_button)) + gtk_widget_map (vscrolled_bar->up_button); + + if (GTK_WIDGET_VISIBLE (vscrolled_bar->down_button) && + !GTK_WIDGET_MAPPED (vscrolled_bar->down_button)) + gtk_widget_map (vscrolled_bar->down_button); +} + + +static void +e_vscrolled_bar_unmap (GtkWidget *widget) +{ + EVScrolledBar *vscrolled_bar; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (widget)); + + vscrolled_bar = E_VSCROLLED_BAR (widget); + + /* chain parent class handler to unmap self and child */ + GTK_WIDGET_CLASS (parent_class)->unmap (widget); + + if (GTK_WIDGET_MAPPED (vscrolled_bar->up_button)) + gtk_widget_unmap (vscrolled_bar->up_button); + + if (GTK_WIDGET_MAPPED (vscrolled_bar->down_button)) + gtk_widget_unmap (vscrolled_bar->down_button); +} + + +static void +e_vscrolled_bar_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + EVScrolledBar *vscrolled_bar; + GtkBin *bin; + GtkRequisition child_requisition; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (widget)); + g_return_if_fail (requisition != NULL); + + vscrolled_bar = E_VSCROLLED_BAR (widget); + bin = GTK_BIN (widget); + + requisition->width = 0; + requisition->height = 0; + + /* We just return the requisition of the child widget, plus the + border width. */ + if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) { + gtk_widget_size_request (bin->child, &child_requisition); + *requisition = child_requisition; + } + + /* We remember the requested heights of the up & down buttons. */ + gtk_widget_size_request (vscrolled_bar->up_button, + &child_requisition); + vscrolled_bar->up_button_width = child_requisition.width; + vscrolled_bar->up_button_height = child_requisition.height; + + gtk_widget_size_request (vscrolled_bar->down_button, + &child_requisition); + vscrolled_bar->down_button_width = child_requisition.width; + vscrolled_bar->down_button_height = child_requisition.height; + + /* Add on the standard container border widths. */ + requisition->width += GTK_CONTAINER (widget)->border_width * 2; + requisition->height += GTK_CONTAINER (widget)->border_width * 2; +} + + +static void +e_vscrolled_bar_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + EVScrolledBar *vscrolled_bar; + GtkBin *bin; + GtkAllocation button_allocation, child_allocation; + gint border_width; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (widget)); + g_return_if_fail (allocation != NULL); + + vscrolled_bar = E_VSCROLLED_BAR (widget); + bin = GTK_BIN (widget); + + widget->allocation = *allocation; + + border_width = GTK_CONTAINER (widget)->border_width; + + child_allocation.x = border_width; + child_allocation.y = border_width; + child_allocation.width = allocation->width - 2 * border_width; + child_allocation.height = allocation->height - 2 * border_width; + gtk_widget_size_allocate (bin->child, &child_allocation); + + button_allocation.x = allocation->width - border_width + - vscrolled_bar->up_button_width + - E_VSCROLLED_BAR_BUTTON_X_OFFSET; + button_allocation.y = border_width + E_VSCROLLED_BAR_BUTTON_Y_OFFSET; + button_allocation.width = vscrolled_bar->up_button_width; + button_allocation.height = vscrolled_bar->up_button_height; + gtk_widget_size_allocate (vscrolled_bar->up_button, + &button_allocation); + + button_allocation.x = allocation->width - border_width + - vscrolled_bar->down_button_width + - E_VSCROLLED_BAR_BUTTON_X_OFFSET; + button_allocation.y = allocation->height - border_width + - vscrolled_bar->down_button_height + - E_VSCROLLED_BAR_BUTTON_Y_OFFSET; + button_allocation.width = vscrolled_bar->down_button_width; + button_allocation.height = vscrolled_bar->down_button_height; + gtk_widget_size_allocate (vscrolled_bar->down_button, + &button_allocation); +} + + +static void +e_vscrolled_bar_draw (GtkWidget *widget, + GdkRectangle *area) +{ + EVScrolledBar *vscrolled_bar; + GtkBin *bin; + GdkRectangle child_area; + + g_return_if_fail (widget != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (widget)); + g_return_if_fail (area != NULL); + + vscrolled_bar = E_VSCROLLED_BAR (widget); + bin = GTK_BIN (widget); + + if (bin->child && GTK_WIDGET_VISIBLE (bin->child) && + gtk_widget_intersect (bin->child, area, &child_area)) + gtk_widget_draw (bin->child, &child_area); + + if (GTK_WIDGET_VISIBLE (vscrolled_bar->up_button) && + gtk_widget_intersect (vscrolled_bar->up_button, area, &child_area)) + gtk_widget_draw (vscrolled_bar->up_button, &child_area); + + if (GTK_WIDGET_VISIBLE (vscrolled_bar->down_button) && + gtk_widget_intersect (vscrolled_bar->down_button, area, &child_area)) + gtk_widget_draw (vscrolled_bar->down_button, &child_area); +} + + +static void +e_vscrolled_bar_add (GtkContainer *container, + GtkWidget *child) +{ + EVScrolledBar *vscrolled_bar; + GtkBin *bin; + + g_return_if_fail (container != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (container)); + + vscrolled_bar = E_VSCROLLED_BAR (container); + bin = GTK_BIN (container); + + g_return_if_fail (bin->child == NULL); + + bin->child = child; + gtk_widget_set_parent (child, GTK_WIDGET (bin)); + + gtk_widget_set_scroll_adjustments (child, NULL, + vscrolled_bar->adjustment); + + if (GTK_WIDGET_REALIZED (child->parent)) + gtk_widget_realize (child); + + if (GTK_WIDGET_VISIBLE (child->parent) && GTK_WIDGET_VISIBLE (child)) { + if (GTK_WIDGET_MAPPED (child->parent)) + gtk_widget_map (child); + + gtk_widget_queue_resize (child); + } +} + + +static void +e_vscrolled_bar_remove (GtkContainer *container, + GtkWidget *child) +{ + g_return_if_fail (container != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (container)); + g_return_if_fail (child != NULL); + g_return_if_fail (GTK_BIN (container)->child == child); + + gtk_widget_set_scroll_adjustments (child, NULL, NULL); + + /* chain parent class handler to remove child */ + GTK_CONTAINER_CLASS (parent_class)->remove (container, child); +} + + +static void +e_vscrolled_bar_forall (GtkContainer *container, + gboolean include_internals, + GtkCallback callback, + gpointer callback_data) +{ + g_return_if_fail (container != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (container)); + g_return_if_fail (callback != NULL); + + GTK_CONTAINER_CLASS (parent_class)->forall (container, + include_internals, + callback, + callback_data); + if (include_internals) { + EVScrolledBar *vscrolled_bar; + + vscrolled_bar = E_VSCROLLED_BAR (container); + + if (vscrolled_bar->up_button) + callback (vscrolled_bar->up_button, callback_data); + if (vscrolled_bar->down_button) + callback (vscrolled_bar->down_button, callback_data); + } +} + + +/** + * e_vscrolled_bar_get_adjustment: + * + * @vscrolled_bar: An #EVScrolledBar. + * @Return: The #GtkAdjustment used for scrolling @vscrolled_bar. + * + * Returns the #GtkAdjustment used for scrolling the #EVscrolledBar. + **/ +GtkAdjustment* +e_vscrolled_bar_get_adjustment (EVScrolledBar *vscrolled_bar) +{ + g_return_val_if_fail (vscrolled_bar != NULL, NULL); + g_return_val_if_fail (E_IS_VSCROLLED_BAR (vscrolled_bar), NULL); + + return vscrolled_bar->adjustment; +} + + +/** + * e_vscrolled_bar_set_adjustment: + * + * @vscrolled_bar: An #EVScrolledBar. + * @adjustment: The #GtkAdjustment to use for scrolling @vscrolled_bar. + * + * Sets the #GtkAdjustment to use for scrolling the #EVscrolledBar. + **/ +void +e_vscrolled_bar_set_adjustment (EVScrolledBar *vscrolled_bar, + GtkAdjustment *adjustment) +{ + g_return_if_fail (vscrolled_bar != NULL); + g_return_if_fail (E_IS_VSCROLLED_BAR (vscrolled_bar)); + + if (adjustment) + g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment)); + else + adjustment = (GtkAdjustment*) gtk_object_new (GTK_TYPE_ADJUSTMENT, NULL); + + if (vscrolled_bar->adjustment == adjustment) + return; + + if (vscrolled_bar->adjustment) { + gtk_signal_disconnect_by_func (GTK_OBJECT (vscrolled_bar->adjustment), + GTK_SIGNAL_FUNC (e_vscrolled_bar_adjustment_changed), + vscrolled_bar); + gtk_object_unref (GTK_OBJECT (vscrolled_bar->adjustment)); + } + + vscrolled_bar->adjustment = adjustment; + gtk_object_ref (GTK_OBJECT (vscrolled_bar->adjustment)); + gtk_object_sink (GTK_OBJECT (vscrolled_bar->adjustment)); + + /* I've used connect_after here to avoid a problem when using a + GnomeCanvas as the child widget. When just using connect it would + leave a blank space when one of the buttons is hidden. We want + the GtkLayout to handle the scrolling before we hide any buttons. */ + gtk_signal_connect_after (GTK_OBJECT (adjustment), "changed", + GTK_SIGNAL_FUNC (e_vscrolled_bar_adjustment_changed), + vscrolled_bar); + gtk_signal_connect_after (GTK_OBJECT (adjustment), "value_changed", + GTK_SIGNAL_FUNC (e_vscrolled_bar_adjustment_changed), + vscrolled_bar); + + e_vscrolled_bar_adjustment_changed (adjustment, vscrolled_bar); + + if (GTK_BIN (vscrolled_bar)->child) + gtk_widget_set_scroll_adjustments (GTK_BIN (vscrolled_bar)->child, NULL, adjustment); +} + + +static void +e_vscrolled_bar_adjustment_changed (GtkAdjustment *adjustment, + gpointer data) +{ + EVScrolledBar *vscrolled_bar; + + g_return_if_fail (adjustment != NULL); + g_return_if_fail (data != NULL); + + vscrolled_bar = E_VSCROLLED_BAR (data); + + /* If the adjustment value is not 0, show the up button. */ + if (adjustment->value != 0) + gtk_widget_show (vscrolled_bar->up_button); + else + gtk_widget_hide (vscrolled_bar->up_button); + + /* If the adjustment value is less than the maximum value, show the + down button. */ + if (adjustment->value < adjustment->upper - adjustment->page_size) + gtk_widget_show (vscrolled_bar->down_button); + else + gtk_widget_hide (vscrolled_bar->down_button); +} + + +static void +e_vscrolled_bar_button_pressed (GtkWidget *button, + EVScrolledBar *vscrolled_bar) +{ + if (vscrolled_bar->timeout_id != 0) + g_source_remove (vscrolled_bar->timeout_id); + + vscrolled_bar->timeout_id = g_timeout_add (E_VSCROLLED_BAR_SCROLL_TIMEOUT, e_vscrolled_bar_timeout_handler, vscrolled_bar); + vscrolled_bar->scrolling_up = (button == vscrolled_bar->up_button) ? TRUE : FALSE; + vscrolled_bar->min_distance = vscrolled_bar->adjustment->page_size / 4; + vscrolled_bar->button_pressed = TRUE; + + e_vscrolled_bar_timeout_handler (vscrolled_bar); +} + + +static void +e_vscrolled_bar_button_released (GtkWidget *button, + EVScrolledBar *vscrolled_bar) +{ + vscrolled_bar->button_pressed = FALSE; +} + + +/* This will be called when the user hits the space key to activate the button. + It will also be called just before button_released() is called, but since + we already handle that we simply return if the button is pressed. */ +static void +e_vscrolled_bar_button_clicked (GtkWidget *button, + EVScrolledBar *vscrolled_bar) +{ + if (vscrolled_bar->button_pressed) + return; + + /* We act as if the button is pressed and released immediately. */ + e_vscrolled_bar_button_pressed (button, vscrolled_bar); + vscrolled_bar->button_pressed = FALSE; +} + + +static gboolean +e_vscrolled_bar_timeout_handler (gpointer data) +{ + EVScrolledBar *vscrolled_bar; + GtkAdjustment *adjustment; + gfloat new_value; + gboolean retval = TRUE; + + vscrolled_bar = E_VSCROLLED_BAR (data); + adjustment = vscrolled_bar->adjustment; + + GDK_THREADS_ENTER (); + + /* Check if the user has released the button and we have already + scrolled the minimum distance. */ + if (vscrolled_bar->button_pressed == FALSE + && vscrolled_bar->min_distance <= 0) { + GDK_THREADS_LEAVE (); + return FALSE; + } + + vscrolled_bar->min_distance -= adjustment->step_increment; + + if (vscrolled_bar->scrolling_up) { + new_value = adjustment->value - adjustment->step_increment; + if (new_value <= adjustment->lower) { + new_value = adjustment->lower; + retval = FALSE; + } + } else { + new_value = adjustment->value + adjustment->step_increment; + if (new_value >= adjustment->upper - adjustment->page_size) { + new_value = adjustment->upper - adjustment->page_size; + retval = FALSE; + } + } + + if (adjustment->value != new_value) { + adjustment->value = new_value; + gtk_signal_emit_by_name (GTK_OBJECT (adjustment), + "value_changed"); + } + + GDK_THREADS_LEAVE (); + return retval; +} diff --git a/widgets/shortcut-bar/e-vscrolled-bar.h b/widgets/shortcut-bar/e-vscrolled-bar.h new file mode 100644 index 0000000000..d3273e6685 --- /dev/null +++ b/widgets/shortcut-bar/e-vscrolled-bar.h @@ -0,0 +1,97 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ +#ifndef _E_VSCROLLED_BAR_H_ +#define _E_VSCROLLED_BAR_H_ + +#include <gtk/gtkbin.h> +#include <gtk/gtkadjustment.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* + * EVScrolledBar is like GtkScrolledWindow but only scrolls the child widget + * vertically. It is intended for scrolling narrow vertical bars. + */ + + +#define E_VSCROLLED_BAR(obj) GTK_CHECK_CAST (obj, e_vscrolled_bar_get_type (), EVScrolledBar) +#define E_VSCROLLED_BAR_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, e_vscrolled_bar_get_type (), EVScrolledBarClass) +#define E_IS_VSCROLLED_BAR(obj) GTK_CHECK_TYPE (obj, e_vscrolled_bar_get_type ()) + + +typedef struct _EVScrolledBar EVScrolledBar; +typedef struct _EVScrolledBarClass EVScrolledBarClass; + +struct _EVScrolledBar +{ + GtkBin bin; + + GtkWidget *up_button; + GtkWidget *down_button; + + GtkAdjustment *adjustment; + + gint up_button_width; + gint up_button_height; + gint down_button_width; + gint down_button_height; + + /* The GTK+ event source ID of our timeout handler. */ + gint timeout_id; + + /* TRUE if we are scrolling up, FALSE if scrolling down. */ + gboolean scrolling_up; + + /* The minimum distance left to scroll. If the user just clicks a + button we scroll a minimum amount. This is reduced after each + scroll. */ + gfloat min_distance; + + /* TRUE if the button is still pressed. When the up/down button is + released, this gets set to FALSE, and we scroll until the minimum + distance falls below 0. */ + gboolean button_pressed; +}; + +struct _EVScrolledBarClass +{ + GtkBinClass parent_class; +}; + + +GtkType e_vscrolled_bar_get_type (void); +GtkWidget* e_vscrolled_bar_new (GtkAdjustment *adjustment); + +GtkAdjustment* e_vscrolled_bar_get_adjustment (EVScrolledBar *vscrolled_bar); +void e_vscrolled_bar_set_adjustment (EVScrolledBar *vscrolled_bar, + GtkAdjustment *adjustment); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _E_VSCROLLED_BAR_H_ */ diff --git a/widgets/shortcut-bar/test-shortcut-bar.c b/widgets/shortcut-bar/test-shortcut-bar.c new file mode 100644 index 0000000000..186bf3ed8a --- /dev/null +++ b/widgets/shortcut-bar/test-shortcut-bar.c @@ -0,0 +1,445 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Author : + * Damon Chaplin <damon@gtk.org> + * + * Copyright 1999, Helix Code, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * This tests the ShortcutBar widget. + */ + +#include <gnome.h> + +#include "e-shortcut-bar.h" + +#define NUM_SHORTCUT_TYPES 5 +gchar *shortcut_types[] = { + "folder:", "file:", "calendar:", "todo:", "contacts:" +}; + +GtkWidget *main_label; + +static void quit (GtkWidget *window, GdkEvent *event, gpointer data); +static void add_test_groups (EShortcutBar *shortcut_bar); +static void add_test_group (EShortcutBar *shortcut_bar, gint i, + gchar *group_name); +static gint get_random_int (gint max); + +static void on_shortcut_bar_item_selected (EShortcutBar *shortcut_bar, + GdkEvent *event, + gint group_num, + gint item_num); +static void show_standard_popup (EShortcutBar *shortcut_bar, + GdkEvent *event, + gint group_num); +static void show_context_popup (EShortcutBar *shortcut_bar, + GdkEvent *event, + gint group_num, + gint item_num); + +static void set_large_icons (GtkWidget *menuitem, + EShortcutBar *shortcut_bar); +static void set_small_icons (GtkWidget *menuitem, + EShortcutBar *shortcut_bar); +static void remove_group (GtkWidget *menuitem, + EShortcutBar *shortcut_bar); + +static void rename_item (GtkWidget *menuitem, + EShortcutBar *shortcut_bar); +static void remove_item (GtkWidget *menuitem, + EShortcutBar *shortcut_bar); + +int +main (int argc, char *argv[]) +{ + GtkWidget *window, *hpaned, *shortcut_bar; + + gnome_init ("test-shortcut-bar", "0.1", argc, argv); + + gtk_widget_push_visual (gdk_imlib_get_visual ()); + gtk_widget_push_colormap (gdk_imlib_get_colormap ()); + + window = gnome_app_new ("TestShortcutBar", "TestShortCutBar"); + gtk_window_set_default_size (GTK_WINDOW (window), 600, 400); + gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, FALSE); + + gtk_signal_connect (GTK_OBJECT (window), "delete-event", + GTK_SIGNAL_FUNC (quit), NULL); + + hpaned = gtk_hpaned_new (); + gnome_app_set_contents (GNOME_APP (window), hpaned); + gtk_widget_show (hpaned); + + shortcut_bar = e_shortcut_bar_new (); + gtk_paned_pack1 (GTK_PANED (hpaned), shortcut_bar, FALSE, TRUE); + gtk_widget_show (shortcut_bar); + +#if 0 + gtk_container_set_border_width (GTK_CONTAINER (shortcut_bar), 4); +#endif + + gtk_paned_set_position (GTK_PANED (hpaned), 100); + /*gtk_paned_set_gutter_size (GTK_PANED (hpaned), 12);*/ + + main_label = gtk_label_new ("Main Application Window Goes Here"); + gtk_paned_pack2 (GTK_PANED (hpaned), main_label, TRUE, TRUE); + gtk_widget_show (main_label); + + + gtk_widget_pop_visual (); + gtk_widget_pop_colormap (); + + add_test_groups (E_SHORTCUT_BAR (shortcut_bar)); + + gtk_signal_connect (GTK_OBJECT (shortcut_bar), "item_selected", + GTK_SIGNAL_FUNC (on_shortcut_bar_item_selected), + NULL); + + gtk_widget_show (window); + gtk_main (); + return 0; +} + + +static void +quit (GtkWidget *window, GdkEvent *event, gpointer data) +{ + gtk_widget_destroy (window); + gtk_exit (0); +} + + +static void +add_test_groups (EShortcutBar *shortcut_bar) +{ + add_test_group (shortcut_bar, 1, "Shortcuts"); + add_test_group (shortcut_bar, 2, "My Shortcuts"); + add_test_group (shortcut_bar, 3, "Longer Shortcuts"); + add_test_group (shortcut_bar, 4, "Very Long Shortcuts"); + add_test_group (shortcut_bar, 5, "Incredibly Long Shortcuts"); +} + + +static void +add_test_group (EShortcutBar *shortcut_bar, gint i, gchar *group_name) +{ + gint group_num, item_num, num_items; + gchar buffer[128]; + gint shortcut_type, j; + + group_num = e_shortcut_bar_add_group (E_SHORTCUT_BAR (shortcut_bar), + group_name); + + if (group_num % 2) + e_shortcut_bar_set_view_type (E_SHORTCUT_BAR (shortcut_bar), + group_num, + E_ICON_BAR_SMALL_ICONS); + + num_items = get_random_int (5) + 3; + for (j = 1; j <= num_items; j++) { + if (j == 1) + sprintf (buffer, "A very long shortcut with proper words so I can test the wrapping and ellipsis behaviour"); + else if (j == 2) + sprintf (buffer, "A very long shortcut with averylongworkinthemiddlesoIcantestthewrappingandellipsisbehaviour"); + else + sprintf (buffer, "Item %i:%i\n", i, j); + + shortcut_type = get_random_int (NUM_SHORTCUT_TYPES); + item_num = e_shortcut_bar_add_item (E_SHORTCUT_BAR (shortcut_bar), group_num, shortcut_types[shortcut_type], buffer); + } +} + + +/* Returns a random integer between 0 and max - 1. */ +static gint +get_random_int (gint max) +{ + gint random_num; + + random_num = (int) (max * (rand () / (RAND_MAX + 1.0))); +#if 0 + g_print ("Random num (%i): %i\n", max, random_num); +#endif + return random_num; +} + + +static void +on_shortcut_bar_item_selected (EShortcutBar *shortcut_bar, + GdkEvent *event, gint group_num, gint item_num) +{ + gchar buffer[256]; + + if (event->button.button == 1) { + sprintf (buffer, "Item Selected - %i:%i", + group_num + 1, item_num + 1); + gtk_label_set_text (GTK_LABEL (main_label), buffer); + } else if (event->button.button == 3) { + if (item_num == -1) + show_standard_popup (shortcut_bar, event, group_num); + else + show_context_popup (shortcut_bar, event, group_num, + item_num); + } +} + + +static void +show_standard_popup (EShortcutBar *shortcut_bar, + GdkEvent *event, + gint group_num) +{ + GtkWidget *menu, *menuitem; + + /* We don't have any commands if there aren't any groups yet. */ + if (group_num == -1) + return; + + menu = gtk_menu_new (); + + menuitem = gtk_menu_item_new_with_label ("Large Icons"); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + gtk_signal_connect (GTK_OBJECT (menuitem), "activate", + GTK_SIGNAL_FUNC (set_large_icons), shortcut_bar); + + menuitem = gtk_menu_item_new_with_label ("Small Icons"); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + gtk_signal_connect (GTK_OBJECT (menuitem), "activate", + GTK_SIGNAL_FUNC (set_small_icons), shortcut_bar); + + menuitem = gtk_menu_item_new (); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new_with_label ("Add New Group"); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new_with_label ("Remove Group"); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + gtk_signal_connect (GTK_OBJECT (menuitem), "activate", + GTK_SIGNAL_FUNC (remove_group), shortcut_bar); + + menuitem = gtk_menu_item_new_with_label ("Rename Group"); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new (); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new_with_label ("Add Shortcut..."); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new (); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new_with_label ("Hide Shortcut Bar"); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + /* Save the group num so we can get it in the callbacks. */ + gtk_object_set_data (GTK_OBJECT (menu), "group_num", + GINT_TO_POINTER (group_num)); + + /* FIXME: Destroy menu when finished with it somehow? */ + gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, + event->button.button, event->button.time); +} + + +static void +set_large_icons (GtkWidget *menuitem, + EShortcutBar *shortcut_bar) +{ + GtkWidget *menu; + gint group_num; + + menu = menuitem->parent; + g_return_if_fail (GTK_IS_MENU (menu)); + + group_num = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menu), + "group_num")); + + e_shortcut_bar_set_view_type (shortcut_bar, group_num, + E_ICON_BAR_LARGE_ICONS); +} + + +static void +set_small_icons (GtkWidget *menuitem, + EShortcutBar *shortcut_bar) +{ + GtkWidget *menu; + gint group_num; + + menu = menuitem->parent; + g_return_if_fail (GTK_IS_MENU (menu)); + + group_num = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menu), + "group_num")); + + e_shortcut_bar_set_view_type (shortcut_bar, group_num, + E_ICON_BAR_SMALL_ICONS); +} + + +static void +remove_group (GtkWidget *menuitem, + EShortcutBar *shortcut_bar) +{ + GtkWidget *menu; + gint group_num; + + menu = menuitem->parent; + g_return_if_fail (GTK_IS_MENU (menu)); + + group_num = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menu), + "group_num")); + + e_shortcut_bar_remove_group (shortcut_bar, group_num); +} + + +static void +show_context_popup (EShortcutBar *shortcut_bar, + GdkEvent *event, + gint group_num, + gint item_num) +{ + GtkWidget *menu, *menuitem, *label, *pixmap; + + menu = gtk_menu_new (); + + menuitem = gtk_pixmap_menu_item_new (); + label = gtk_label_new ("Open Folder"); + gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5); + gtk_widget_show (label); + gtk_container_add (GTK_CONTAINER (menuitem), label); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + pixmap = gnome_stock_pixmap_widget (menu, GNOME_STOCK_MENU_OPEN); + if (pixmap) { + gtk_widget_show(pixmap); + gtk_pixmap_menu_item_set_pixmap (GTK_PIXMAP_MENU_ITEM (menuitem), pixmap); + } + + menuitem = gtk_menu_item_new_with_label ("Open in New Window"); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new_with_label ("Advanced Find"); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new (); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new_with_label ("Remove from Shortcut Bar"); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + gtk_signal_connect (GTK_OBJECT (menuitem), "activate", + GTK_SIGNAL_FUNC (remove_item), shortcut_bar); + + menuitem = gtk_menu_item_new_with_label ("Rename Shortcut"); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + gtk_signal_connect (GTK_OBJECT (menuitem), "activate", + GTK_SIGNAL_FUNC (rename_item), shortcut_bar); + + menuitem = gtk_menu_item_new (); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + menuitem = gtk_menu_item_new_with_label ("Properties"); + gtk_widget_set_sensitive (menuitem, FALSE); + gtk_widget_show (menuitem); + gtk_menu_append (GTK_MENU (menu), menuitem); + + + /* Save the group & item nums so we can get them in the callbacks. */ + gtk_object_set_data (GTK_OBJECT (menu), "group_num", + GINT_TO_POINTER (group_num)); + gtk_object_set_data (GTK_OBJECT (menu), "item_num", + GINT_TO_POINTER (item_num)); + + /* FIXME: Destroy menu when finished with it somehow? */ + gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, + event->button.button, event->button.time); +} + + +static void +rename_item (GtkWidget *menuitem, + EShortcutBar *shortcut_bar) +{ + GtkWidget *menu; + gint group_num, item_num; + + menu = menuitem->parent; + g_return_if_fail (GTK_IS_MENU (menu)); + + group_num = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menu), + "group_num")); + item_num = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menu), + "item_num")); + + e_shortcut_bar_start_editing_item (shortcut_bar, group_num, item_num); +} + + +static void +remove_item (GtkWidget *menuitem, + EShortcutBar *shortcut_bar) +{ + GtkWidget *menu; + gint group_num, item_num; + + menu = menuitem->parent; + g_return_if_fail (GTK_IS_MENU (menu)); + + group_num = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menu), + "group_num")); + item_num = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (menu), + "item_num")); + + e_shortcut_bar_remove_item (shortcut_bar, group_num, item_num); +} + + |