diff options
Diffstat (limited to 'widgets/misc/e-combo-button.c')
| -rw-r--r-- | widgets/misc/e-combo-button.c | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/widgets/misc/e-combo-button.c b/widgets/misc/e-combo-button.c deleted file mode 100644 index 9203bece01..0000000000 --- a/widgets/misc/e-combo-button.c +++ /dev/null @@ -1,574 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-combo-button.c - * - * Copyright (C) 2001 Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * 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. - * - * Author: Ettore Perazzoli <ettore@ximian.com> - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "e-combo-button.h" - -#include <gtk/gtkhbox.h> -#include <gtk/gtklabel.h> -#include <gtk/gtkmain.h> -#include <gtk/gtkpixmap.h> -#include <gtk/gtksignal.h> - -#include <gal/util/e-util.h> - - -struct _EComboButtonPrivate { - GdkPixbuf *icon; - - GtkWidget *icon_pixmap; - GtkWidget *label; - GtkWidget *arrow_pixmap; - GtkWidget *hbox; - - GtkMenu *menu; - - gboolean menu_popped_up; -}; - - -#define SPACING 2 - -static const char *arrow_xpm[] = { - "11 5 2 1", - " c none", - ". c #000000000000", - " ......... ", - " ....... ", - " ..... ", - " ... ", - " . ", -}; - - -#define PARENT_TYPE gtk_button_get_type () -static GtkButtonClass *parent_class = NULL; - -enum { - ACTIVATE_DEFAULT, - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL] = { 0 }; - - -/* Utility functions. */ - -static GtkWidget * -create_pixmap_widget_from_pixbuf (GdkPixbuf *pixbuf) -{ - GtkWidget *pixmap_widget; - GdkPixmap *pixmap; - GdkBitmap *mask; - - gdk_pixbuf_render_pixmap_and_mask (pixbuf, &pixmap, &mask, 128); - - pixmap_widget = gtk_pixmap_new (pixmap, mask); - - gdk_pixmap_unref (pixmap); - gdk_bitmap_unref (mask); - - return pixmap_widget; -} - -static GtkWidget * -create_empty_pixmap_widget (void) -{ - GtkWidget *pixmap_widget; - GdkPixbuf *pixbuf; - - pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 1, 1); - - pixmap_widget = create_pixmap_widget_from_pixbuf (pixbuf); - - gdk_pixbuf_unref (pixbuf); - - return pixmap_widget; -} - -static GtkWidget * -create_arrow_pixmap_widget (void) -{ - GtkWidget *pixmap_widget; - GdkPixbuf *pixbuf; - - pixbuf = gdk_pixbuf_new_from_xpm_data (arrow_xpm); - - pixmap_widget = create_pixmap_widget_from_pixbuf (pixbuf); - - gdk_pixbuf_unref (pixbuf); - - return pixmap_widget; -} - -static void -set_icon (EComboButton *combo_button, - GdkPixbuf *pixbuf) -{ - EComboButtonPrivate *priv; - GdkPixmap *pixmap; - GdkBitmap *mask; - - priv = combo_button->priv; - - if (priv->icon != NULL) - gdk_pixbuf_unref (priv->icon); - - if (pixbuf == NULL) { - priv->icon = NULL; - gtk_widget_hide (priv->icon_pixmap); - return; - } - - priv->icon = gdk_pixbuf_ref (pixbuf); - - gdk_pixbuf_render_pixmap_and_mask (pixbuf, &pixmap, &mask, 128); - gtk_pixmap_set (GTK_PIXMAP (priv->icon_pixmap), pixmap, mask); - - gtk_widget_show (priv->icon_pixmap); - - gdk_pixmap_unref (pixmap); - gdk_pixmap_unref (mask); -} - - -/* Paint the borders. */ - -static void -paint (EComboButton *combo_button, - GdkRectangle *area) -{ - EComboButtonPrivate *priv = combo_button->priv; - GtkShadowType shadow_type; - int separator_x; - - gdk_window_set_back_pixmap (GTK_WIDGET (combo_button)->window, NULL, TRUE); - gdk_window_clear_area (GTK_WIDGET (combo_button)->window, - area->x, area->y, - area->width, area->height); - - /* Only paint the outline if we are in prelight state. */ - if (GTK_WIDGET_STATE (combo_button) != GTK_STATE_PRELIGHT - && GTK_WIDGET_STATE (combo_button) != GTK_STATE_ACTIVE) - return; - - separator_x = (priv->label->allocation.width - + priv->label->allocation.x - + priv->arrow_pixmap->allocation.x) / 2; - - if (GTK_WIDGET_STATE (combo_button) == GTK_STATE_ACTIVE) - shadow_type = GTK_SHADOW_IN; - else - shadow_type = GTK_SHADOW_OUT; - - gtk_paint_box (GTK_WIDGET (combo_button)->style, - GTK_WIDGET (combo_button)->window, - GTK_STATE_PRELIGHT, - shadow_type, - area, - GTK_WIDGET (combo_button), - "button", - 0, - 0, - separator_x, - GTK_WIDGET (combo_button)->allocation.height); - - gtk_paint_box (GTK_WIDGET (combo_button)->style, - GTK_WIDGET (combo_button)->window, - GTK_STATE_PRELIGHT, - shadow_type, - area, - GTK_WIDGET (combo_button), - "button", - separator_x, - 0, - GTK_WIDGET (combo_button)->allocation.width - separator_x, - GTK_WIDGET (combo_button)->allocation.height); -} - - -/* Callbacks for the associated menu. */ - -static void -menu_detacher (GtkWidget *widget, - GtkMenu *menu) -{ - EComboButton *combo_button; - EComboButtonPrivate *priv; - - combo_button = E_COMBO_BUTTON (widget); - priv = combo_button->priv; - - gtk_signal_disconnect_by_data (GTK_OBJECT (menu), combo_button); - priv->menu = NULL; -} - -static void -menu_deactivate_callback (GtkMenuShell *menu_shell, - void *data) -{ - EComboButton *combo_button; - EComboButtonPrivate *priv; - - combo_button = E_COMBO_BUTTON (data); - priv = combo_button->priv; - - priv->menu_popped_up = FALSE; - - GTK_BUTTON (combo_button)->button_down = FALSE; - gtk_button_leave (GTK_BUTTON (combo_button)); - gtk_button_clicked (GTK_BUTTON (combo_button)); -} - -static void -menu_position_func (GtkMenu *menu, - gint *x_return, - gint *y_return, - void *data) -{ - EComboButton *combo_button; - GtkAllocation *allocation; - - combo_button = E_COMBO_BUTTON (data); - allocation = & (GTK_WIDGET (combo_button)->allocation); - - gdk_window_get_origin (GTK_WIDGET (combo_button)->window, x_return, y_return); - - *y_return += allocation->height; -} - - -/* GtkObject methods. */ - -static void -impl_destroy (GtkObject *object) -{ - EComboButton *combo_button; - EComboButtonPrivate *priv; - - combo_button = E_COMBO_BUTTON (object); - priv = combo_button->priv; - - if (priv->arrow_pixmap != NULL) { - gtk_widget_destroy (priv->arrow_pixmap); - priv->arrow_pixmap = NULL; - } - - if (priv->icon != NULL) { - gdk_pixbuf_unref (priv->icon); - priv->icon = NULL; - } - - g_free (priv); - - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - -/* GtkWidget methods. */ - -static int -impl_button_press_event (GtkWidget *widget, - GdkEventButton *event) -{ - EComboButton *combo_button; - EComboButtonPrivate *priv; - - combo_button = E_COMBO_BUTTON (widget); - priv = combo_button->priv; - - if (event->type == GDK_BUTTON_PRESS && - (event->button == 1 || event->button == 3)) { - GTK_BUTTON (widget)->button_down = TRUE; - - if (event->button == 3 || - event->x >= priv->arrow_pixmap->allocation.x) { - /* User clicked on the right side: pop up the menu. */ - gtk_button_pressed (GTK_BUTTON (widget)); - - priv->menu_popped_up = TRUE; - gtk_menu_popup (GTK_MENU (priv->menu), NULL, NULL, - menu_position_func, combo_button, - event->button, event->time); - } else { - /* User clicked on the left side: just behave like a - normal button (i.e. not a toggle). */ - gtk_grab_add (widget); - gtk_button_pressed (GTK_BUTTON (widget)); - } - } - - return TRUE; -} - -static int -impl_leave_notify_event (GtkWidget *widget, - GdkEventCrossing *event) -{ - EComboButton *combo_button; - EComboButtonPrivate *priv; - - combo_button = E_COMBO_BUTTON (widget); - priv = combo_button->priv; - - /* This is to override the standard behavior of deactivating the button - when the pointer gets out of the widget, in the case in which we - have just popped up the menu. Otherwise, the button would look as - inactive when the menu is popped up. */ - if (! priv->menu_popped_up) - return (* GTK_WIDGET_CLASS (parent_class)->leave_notify_event) (widget, event); - - return FALSE; -} - -static void -impl_draw (GtkWidget *widget, - GdkRectangle *area) -{ - GdkRectangle child_area; - GdkRectangle tmp_area; - - if (! GTK_WIDGET_DRAWABLE (widget)) - return; - - tmp_area = *area; - tmp_area.x -= GTK_CONTAINER (widget)->border_width; - tmp_area.y -= GTK_CONTAINER (widget)->border_width; - - paint (E_COMBO_BUTTON (widget), &tmp_area); - - if (GTK_BIN (widget)->child && gtk_widget_intersect (GTK_BIN (widget)->child, &tmp_area, &child_area)) - gtk_widget_draw (GTK_BIN (widget)->child, &child_area); -} - -static int -impl_expose_event (GtkWidget *widget, - GdkEventExpose *event) -{ - GtkBin *bin; - GdkEventExpose child_event; - - if (! GTK_WIDGET_DRAWABLE (widget)) - return FALSE; - - bin = GTK_BIN (widget); - - paint (E_COMBO_BUTTON (widget), &event->area); - - child_event = *event; - if (bin->child && GTK_WIDGET_NO_WINDOW (bin->child) && - gtk_widget_intersect (bin->child, &event->area, &child_event.area)) - gtk_widget_event (bin->child, (GdkEvent*) &child_event); - - return FALSE; -} - - -/* GtkButton methods. */ - -static void -impl_released (GtkButton *button) -{ - EComboButton *combo_button; - EComboButtonPrivate *priv; - - combo_button = E_COMBO_BUTTON (button); - priv = combo_button->priv; - - /* Massive cut & paste from GtkButton here... The only change in - behavior here is that we want to emit ::activate_default when not - the menu hasn't been popped up. */ - - if (button->button_down) { - int new_state; - - button->button_down = FALSE; - - if (button->in_button) { - gtk_button_clicked (button); - - if (! priv->menu_popped_up) - gtk_signal_emit (GTK_OBJECT (button), signals[ACTIVATE_DEFAULT]); - } - - new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL); - - if (GTK_WIDGET_STATE (button) != new_state) { - gtk_widget_set_state (GTK_WIDGET (button), new_state); - - /* We _draw () instead of queue_draw so that if the - operation blocks, the label doesn't vanish. */ - gtk_widget_draw (GTK_WIDGET (button), NULL); - } - } -} - - -static void -class_init (GtkObjectClass *object_class) -{ - GtkWidgetClass *widget_class; - GtkButtonClass *button_class; - - parent_class = gtk_type_class (PARENT_TYPE); - - object_class->destroy = impl_destroy; - - widget_class = GTK_WIDGET_CLASS (object_class); - widget_class->button_press_event = impl_button_press_event; - widget_class->leave_notify_event = impl_leave_notify_event; - widget_class->draw = impl_draw; - widget_class->expose_event = impl_expose_event; - - button_class = GTK_BUTTON_CLASS (object_class); - button_class->released = impl_released; - - signals[ACTIVATE_DEFAULT] = gtk_signal_new ("activate_default", - GTK_RUN_FIRST, - object_class->type, - GTK_SIGNAL_OFFSET (EComboButtonClass, activate_default), - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, 0); - - gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL); -} - -static void -init (EComboButton *combo_button) -{ - EComboButtonPrivate *priv; - - priv = g_new (EComboButtonPrivate, 1); - combo_button->priv = priv; - - priv->hbox = gtk_hbox_new (FALSE, SPACING); - gtk_container_add (GTK_CONTAINER (combo_button), priv->hbox); - gtk_widget_show (priv->hbox); - - priv->icon_pixmap = create_empty_pixmap_widget (); - gtk_box_pack_start (GTK_BOX (priv->hbox), priv->icon_pixmap, TRUE, TRUE, 0); - gtk_widget_show (priv->icon_pixmap); - - priv->label = gtk_label_new (""); - gtk_box_pack_start (GTK_BOX (priv->hbox), priv->label, TRUE, TRUE, - 2 * GTK_WIDGET (combo_button)->style->klass->xthickness); - gtk_widget_show (priv->label); - - priv->arrow_pixmap = create_arrow_pixmap_widget (); - gtk_box_pack_start (GTK_BOX (priv->hbox), priv->arrow_pixmap, TRUE, TRUE, - GTK_WIDGET (combo_button)->style->klass->xthickness); - gtk_widget_show (priv->arrow_pixmap); - - priv->icon = NULL; - priv->menu = NULL; - priv->menu_popped_up = FALSE; -} - - -void -e_combo_button_construct (EComboButton *combo_button) -{ - EComboButtonPrivate *priv; - - g_return_if_fail (combo_button != NULL); - g_return_if_fail (E_IS_COMBO_BUTTON (combo_button)); - - priv = combo_button->priv; - g_return_if_fail (priv->menu == NULL); - - GTK_WIDGET_UNSET_FLAGS (combo_button, GTK_CAN_FOCUS); - - gtk_button_set_relief (GTK_BUTTON (combo_button), GTK_RELIEF_NONE); -} - -GtkWidget * -e_combo_button_new (void) -{ - EComboButton *new; - - new = gtk_type_new (e_combo_button_get_type ()); - e_combo_button_construct (new); - - return GTK_WIDGET (new); -} - - -void -e_combo_button_set_icon (EComboButton *combo_button, - GdkPixbuf *pixbuf) -{ - g_return_if_fail (combo_button != NULL); - g_return_if_fail (E_IS_COMBO_BUTTON (combo_button)); - - set_icon (combo_button, pixbuf); -} - -void -e_combo_button_set_label (EComboButton *combo_button, - const char *label) -{ - EComboButtonPrivate *priv; - - g_return_if_fail (combo_button != NULL); - g_return_if_fail (E_IS_COMBO_BUTTON (combo_button)); - g_return_if_fail (label != NULL); - - priv = combo_button->priv; - - if (label == NULL) - label = ""; - - gtk_label_parse_uline (GTK_LABEL (priv->label), label); -} - -void -e_combo_button_set_menu (EComboButton *combo_button, - GtkMenu *menu) -{ - EComboButtonPrivate *priv; - - g_return_if_fail (combo_button != NULL); - g_return_if_fail (E_IS_COMBO_BUTTON (combo_button)); - g_return_if_fail (menu != NULL); - g_return_if_fail (GTK_IS_MENU (menu)); - - priv = combo_button->priv; - - if (priv->menu != NULL) - gtk_menu_detach (priv->menu); - - priv->menu = menu; - if (menu == NULL) - return; - - gtk_menu_attach_to_widget (menu, GTK_WIDGET (combo_button), menu_detacher); - - gtk_signal_connect (GTK_OBJECT (menu), "deactivate", - GTK_SIGNAL_FUNC (menu_deactivate_callback), - combo_button); -} - - -E_MAKE_TYPE (e_combo_button, "EComboButton", EComboButton, class_init, init, PARENT_TYPE) |