/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shell-folder-title-bar.c
*
* Copyright (C) 2000, 2001 Ximian, 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.
*
* Author: Ettore Perazzoli
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtklabel.h>
#include <gtk/gtkpixmap.h>
#include <gtk/gtkrc.h>
#include <gtk/gtksignal.h>
#include <gtk/gtktogglebutton.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-i18n.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gal/util/e-util.h>
#include <gal/widgets/e-font.h>
#include "widgets/misc/e-clipped-label.h"
#include "e-shell-constants.h"
#include "e-shell-folder-title-bar.h"
#define PARENT_TYPE GTK_TYPE_HBOX
static GtkHBox *parent_class = NULL;
struct _EShellFolderTitleBarPrivate {
GdkPixbuf *icon;
GtkWidget *icon_widget;
/* We have a label and a button. When the button is enabled,
the label is hidden; when the button is disable, only the
label is visible. */
/* The label. */
GtkWidget *label;
/* Holds extra information that is to be shown to the left of the icon */
GtkWidget *folder_bar_label;
/* The button. */
GtkWidget *button;
GtkWidget *button_label;
GtkWidget *button_arrow;
gboolean clickable;
};
enum {
TITLE_TOGGLED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static char *arrow_xpm[] = {
"11 5 2 1",
" c none",
". c #ffffffffffff",
" ......... ",
" ....... ",
" ..... ",
" ... ",
" . ",
};
/* Icon pixmap. */
static GtkWidget *
create_arrow_pixmap (GtkWidget *parent)
{
GtkWidget *gtk_pixmap;
GdkPixmap *gdk_pixmap;
GdkBitmap *gdk_mask;
gdk_pixmap = gdk_pixmap_create_from_xpm_d (parent->window, &gdk_mask, NULL, arrow_xpm);
gtk_pixmap = gtk_pixmap_new (gdk_pixmap, gdk_mask);
gdk_pixmap_unref (gdk_pixmap);
gdk_bitmap_unref (gdk_mask);
return gtk_pixmap;
}
static void
title_button_box_realize_cb (GtkWidget *widget,
void *data)
{
EShellFolderTitleBar *folder_title_bar;
EShellFolderTitleBarPrivate *priv;
GtkWidget *button_arrow;
folder_title_bar = E_SHELL_FOLDER_TITLE_BAR (data);
priv = folder_title_bar->priv;
if (priv->button_arrow != NULL)
return;
button_arrow = create_arrow_pixmap (widget);
gtk_widget_show (button_arrow);
gtk_box_pack_start (GTK_BOX (widget), button_arrow, FALSE, TRUE, 2);
priv->button_arrow = button_arrow;
}
/* This is used to make the labels white. Yes, yes, I know I shouldn't do
this. Yes, yes, I know it's evil. */
static void
label_realize_callback (GtkWidget *widget,
void *data)
{
GtkStyle *style;
EFont *e_font;
GdkFont *bolded_font;
g_assert (widget->style->font != NULL);
style = gtk_style_copy (widget->style);
gtk_style_unref (widget->style);
widget->style = style;
e_font = e_font_from_gdk_font (style->font);
bolded_font = e_font_to_gdk_font (e_font, E_FONT_BOLD);
gdk_font_unref (style->font);
style->font = bolded_font;
gtk_style_attach (style, widget->window);
if (E_IS_CLIPPED_LABEL (widget)) {
char *text;
text = g_strdup (e_clipped_label_get_text (E_CLIPPED_LABEL (widget)));
e_clipped_label_set_text (E_CLIPPED_LABEL (widget), text);
g_free (text);
}
}
static void
make_bold (GtkWidget *widget)
{
gtk_signal_connect (GTK_OBJECT (widget), "realize",
GTK_SIGNAL_FUNC (label_realize_callback), NULL);
}
static void
set_title_bar_label_style (GtkWidget *widget)
{
GtkRcStyle *rc_style;
rc_style = gtk_rc_style_new();
rc_style->color_flags[GTK_STATE_NORMAL] |= GTK_RC_FG;
rc_style->fg[GTK_STATE_NORMAL].red = 0xffff;
rc_style->fg[GTK_STATE_NORMAL].green = 0xffff;
rc_style->fg[GTK_STATE_NORMAL].blue = 0xffff;
gtk_widget_modify_style (widget, rc_style);
}
/* Utility functions. */
static int
get_max_clipped_label_width (EClippedLabel *clipped_label)
{
GdkFont *font;
int width;
font = GTK_WIDGET (clipped_label)->style->font;
width = gdk_string_width (font, clipped_label->label);
width += 2 * GTK_MISC (clipped_label)->xpad;
return width;
}
static void
size_allocate_icon (EShellFolderTitleBar *title_bar,
GtkAllocation *allocation,
int *available_width_inout)
{
EShellFolderTitleBarPrivate *priv;
GtkRequisition icon_requisition;
GtkAllocation icon_allocation;
int border_width;
priv = title_bar->priv;
if (priv->icon_widget == NULL)
return;
border_width = GTK_CONTAINER (title_bar)->border_width;
gtk_widget_get_child_requisition (priv->icon_widget, &icon_requisition);
icon_allocation.x = allocation->x + allocation->width - border_width - icon_requisition.width;
icon_allocation.y = allocation->y + border_width;
icon_allocation.width = icon_requisition.width;
icon_allocation.height = allocation->height - 2 * border_width;
gtk_widget_size_allocate (priv->icon_widget, &icon_allocation);
*available_width_inout -= icon_allocation.width;
}
static void
size_allocate_button (EShellFolderTitleBar *title_bar,
GtkAllocation *allocation,
int *available_width_inout)
{
EShellFolderTitleBarPrivate *priv;
GtkAllocation child_allocation;
GtkRequisition child_requisition;
int border_width;
priv = title_bar->priv;
border_width = GTK_CONTAINER (title_bar)->border_width;
gtk_widget_get_child_requisition (priv->button, &child_requisition);
child_allocation.x = allocation->x + border_width;
child_allocation.y = allocation->y + border_width;
child_allocation.height = allocation->height - 2 * border_width;
child_allocation.width = child_requisition.width;
child_allocation.width += get_max_clipped_label_width (E_CLIPPED_LABEL (priv->button_label));
child_allocation.width = MIN (child_allocation.width, *available_width_inout);
gtk_widget_size_allocate (priv->button, & child_allocation);
*available_width_inout -= child_allocation.width;
}
static void
size_allocate_label (EShellFolderTitleBar *title_bar,
GtkAllocation *allocation,
int *available_width_inout)
{
EShellFolderTitleBarPrivate *priv;
GtkAllocation child_allocation;
int border_width;
priv = title_bar->priv;
border_width = GTK_CONTAINER (title_bar)->border_width;
child_allocation.x = allocation->x + border_width;
child_allocation.y = allocation->y + border_width;
child_allocation.height = allocation->height - 2 * border_width;
child_allocation.width = MIN (get_max_clipped_label_width (E_CLIPPED_LABEL (priv->label)),
*available_width_inout);
gtk_widget_size_allocate (priv->label, & child_allocation);
*available_width_inout -= child_allocation.width;
}
static void
add_icon_widget (EShellFolderTitleBar *folder_title_bar)
{
EShellFolderTitleBarPrivate *priv;
GdkPixmap *pixmap;
GdkBitmap *mask;
priv = folder_title_bar->priv;
g_assert (priv->icon != NULL);
gdk_pixbuf_render_pixmap_and_mask (priv->icon, &pixmap, &mask, 128);
if (priv->icon_widget != NULL)
gtk_widget_destroy (priv->icon_widget);
priv->icon_widget = gtk_pixmap_new (pixmap, mask);
gdk_pixmap_unref (pixmap);
gdk_pixmap_unref (mask);
gtk_misc_set_alignment (GTK_MISC (priv->icon_widget), 1.0, .5);
gtk_misc_set_padding (GTK_MISC (priv->icon_widget), 0, 0);
gtk_box_pack_start (GTK_BOX (folder_title_bar), priv->icon_widget, FALSE, TRUE, 2);
gtk_widget_show (priv->icon_widget);
}
/* Popup button callback. */
static void
title_button_toggled_cb (GtkToggleButton *button,
void *data)
{
EShellFolderTitleBar *folder_title_bar;
folder_title_bar = E_SHELL_FOLDER_TITLE_BAR (data);
gtk_signal_emit (GTK_OBJECT (folder_title_bar),
signals[TITLE_TOGGLED],
gtk_toggle_button_get_active (button));
}
/* GtkObject methods. */
static void
destroy (GtkObject *object)
{
EShellFolderTitleBar *folder_title_bar;
EShellFolderTitleBarPrivate *priv;
folder_title_bar = E_SHELL_FOLDER_TITLE_BAR (object);
priv = folder_title_bar->priv;
if (priv->icon != NULL)
gdk_pixbuf_unref (priv->icon);
g_free (priv);
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
/* GTkWidget methods. */
static void
realize (GtkWidget *widget)
{
EShellFolderTitleBar *folder_title_bar;
EShellFolderTitleBarPrivate *priv;
(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
folder_title_bar = E_SHELL_FOLDER_TITLE_BAR (widget);
priv = folder_title_bar->priv;
if (priv->icon != NULL)
add_icon_widget (E_SHELL_FOLDER_TITLE_BAR (widget));
}
static void
unrealize (GtkWidget *widget)
{
EShellFolderTitleBar *folder_title_bar;
EShellFolderTitleBarPrivate *priv;
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
folder_title_bar = E_SHELL_FOLDER_TITLE_BAR (widget);
priv = folder_title_bar->priv;
gtk_widget_destroy (priv->icon_widget);
priv->icon_widget = NULL;
}
static void
size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
EShellFolderTitleBar *title_bar;
EShellFolderTitleBarPrivate *priv;
GtkAllocation label_allocation;
int border_width;
int available_width;
int width_before_icon;
title_bar = E_SHELL_FOLDER_TITLE_BAR (widget);
priv = title_bar->priv;
border_width = GTK_CONTAINER (widget)->border_width;
available_width = allocation->width - 2 * border_width;
size_allocate_icon (title_bar, allocation, & available_width);
width_before_icon = available_width;
if (priv->clickable)
size_allocate_button (title_bar, allocation, & available_width);
else
size_allocate_label (title_bar, allocation, & available_width);
label_allocation.x = allocation->x + width_before_icon - available_width - border_width;
label_allocation.y = allocation->y + border_width;
label_allocation.width = available_width - 2 * border_width;
label_allocation.height = allocation->height - 2 * border_width;
gtk_widget_size_allocate (priv->folder_bar_label, & label_allocation);
widget->allocation = *allocation;
}
static void
class_init (EShellFolderTitleBarClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = destroy;
widget_class = GTK_WIDGET_CLASS (klass);
widget_class->realize = realize;
widget_class->unrealize = unrealize;
widget_class->size_allocate = size_allocate;
parent_class = gtk_type_class (PARENT_TYPE);
signals[TITLE_TOGGLED] = gtk_signal_new ("title_toggled",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (EShellFolderTitleBarClass, title_toggled),
gtk_marshal_NONE__BOOL,
GTK_TYPE_NONE, 1,
GTK_TYPE_BOOL);
gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}
static void
init (EShellFolderTitleBar *shell_folder_title_bar)
{
EShellFolderTitleBarPrivate *priv;
priv = g_new (EShellFolderTitleBarPrivate, 1);
priv->icon = NULL;
priv->icon_widget = NULL;
priv->label = NULL;
priv->folder_bar_label = NULL;
priv->button_label = NULL;
priv->button = NULL;
priv->button_arrow = NULL;
priv->clickable = TRUE;
shell_folder_title_bar->priv = priv;
}
/**
* e_shell_folder_title_bar_construct:
* @folder_title_bar:
*
* Construct the folder title bar widget.
**/
void
e_shell_folder_title_bar_construct (EShellFolderTitleBar *folder_title_bar)
{
EShellFolderTitleBarPrivate *priv;
GtkWidget *button_hbox;
GtkWidget *widget;
g_return_if_fail (folder_title_bar != NULL);
g_return_if_fail (E_IS_SHELL_FOLDER_TITLE_BAR (folder_title_bar));
priv = folder_title_bar->priv;
widget = GTK_WIDGET (folder_title_bar);
priv->label = e_clipped_label_new ("");
gtk_misc_set_padding (GTK_MISC (priv->label), 5, 0);
gtk_misc_set_alignment (GTK_MISC (priv->label), 0.0, 0.5);
set_title_bar_label_style (priv->label);
make_bold (priv->label);
priv->button_label = e_clipped_label_new ("");
gtk_misc_set_padding (GTK_MISC (priv->button_label), 2, 0);
gtk_misc_set_alignment (GTK_MISC (priv->button_label), 0.0, 0.5);
gtk_widget_show (priv->button_label);
set_title_bar_label_style (priv->button_label);
make_bold (priv->label);
priv->folder_bar_label = e_clipped_label_new ("");
gtk_misc_set_alignment (GTK_MISC (priv->folder_bar_label), 1.0, 0.5);
gtk_widget_show (priv->folder_bar_label);
set_title_bar_label_style (priv->folder_bar_label);
button_hbox = gtk_hbox_new (FALSE, 0);
gtk_signal_connect (GTK_OBJECT (button_hbox), "realize",
GTK_SIGNAL_FUNC (title_button_box_realize_cb), folder_title_bar);
gtk_box_pack_start (GTK_BOX (button_hbox), priv->button_label, TRUE, TRUE, 0);
gtk_widget_show (button_hbox);
priv->button = gtk_toggle_button_new ();
gtk_button_set_relief (GTK_BUTTON (priv->button), GTK_RELIEF_NONE);
gtk_container_add (GTK_CONTAINER (priv->button), button_hbox);
GTK_WIDGET_UNSET_FLAGS (priv->button, GTK_CAN_FOCUS);
gtk_widget_show (priv->button);
gtk_container_set_border_width (GTK_CONTAINER (folder_title_bar), 2);
gtk_box_pack_start (GTK_BOX (folder_title_bar), priv->label, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (folder_title_bar), priv->button, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (folder_title_bar), priv->folder_bar_label, TRUE, TRUE, 0);
/* Make the label have a border as large as the button's.
FIXME: This is really hackish. The hardcoded numbers should be OK
as the padding is hardcoded in GtkButton too (see CHILD_SPACING in
gtkbutton.c). */
gtk_misc_set_padding (GTK_MISC (priv->label),
GTK_WIDGET (priv->button)->style->klass->xthickness + 3,
GTK_WIDGET (priv->button)->style->klass->ythickness + 1);
gtk_signal_connect (GTK_OBJECT (priv->button), "toggled",
GTK_SIGNAL_FUNC (title_button_toggled_cb), folder_title_bar);
e_shell_folder_title_bar_set_title (folder_title_bar, NULL);
}
/**
* e_shell_folder_title_bar_new:
* @void:
*
* Create a new title bar widget.
*
* Return value:
**/
GtkWidget *
e_shell_folder_title_bar_new (void)
{
EShellFolderTitleBar *new;
gtk_widget_push_colormap (gdk_rgb_get_cmap ());
gtk_widget_push_visual (gdk_rgb_get_visual ());
new = gtk_type_new (e_shell_folder_title_bar_get_type ());
e_shell_folder_title_bar_construct (new);
gtk_widget_pop_visual ();
gtk_widget_pop_colormap ();
return GTK_WIDGET (new);
}
/**
* e_shell_folder_title_bar_set_title:
* @folder_title_bar:
* @title:
*
* Set the title for the title bar.
**/
void
e_shell_folder_title_bar_set_title (EShellFolderTitleBar *folder_title_bar,
const char *title)
{
EShellFolderTitleBarPrivate *priv;
g_return_if_fail (folder_title_bar != NULL);
g_return_if_fail (E_IS_SHELL_FOLDER_TITLE_BAR (folder_title_bar));
priv = folder_title_bar->priv;
if (title == NULL) {
e_clipped_label_set_text (E_CLIPPED_LABEL (priv->button_label), _("(Untitled)"));
e_clipped_label_set_text (E_CLIPPED_LABEL (priv->label), _("(Untitled)"));
} else {
e_clipped_label_set_text (E_CLIPPED_LABEL (priv->button_label), title);
e_clipped_label_set_text (E_CLIPPED_LABEL (priv->label), title);
}
/* FIXME: There seems to be a bug in EClippedLabel, this is just a workaround. */
gtk_widget_queue_resize (GTK_WIDGET (folder_title_bar));
}
/**
* e_shell_folder_title_bar_set_folder_bar_label:
* @folder_title_bar:
* @text: Some text to show in the label.
*
* Sets the right-justified text label (to the left of the icon) for
* the title bar.
**/
void
e_shell_folder_title_bar_set_folder_bar_label (EShellFolderTitleBar *folder_title_bar,
const char *text)
{
EShellFolderTitleBarPrivate *priv;
g_return_if_fail (folder_title_bar != NULL);
g_return_if_fail (E_IS_SHELL_FOLDER_TITLE_BAR (folder_title_bar));
priv = folder_title_bar->priv;
if (text == NULL)
e_clipped_label_set_text (E_CLIPPED_LABEL (priv->folder_bar_label), "");
else
e_clipped_label_set_text (E_CLIPPED_LABEL (priv->folder_bar_label), text);
/* FIXME: Might want to set the styles somewhere in here too,
black text on grey background isn't the best combination */
gtk_widget_queue_resize (GTK_WIDGET (folder_title_bar));
}
/**
* e_shell_folder_title_bar_set_icon:
* @folder_title_bar:
* @icon:
*
* Set the name of the icon for the title bar.
**/
void
e_shell_folder_title_bar_set_icon (EShellFolderTitleBar *folder_title_bar,
const GdkPixbuf *icon)
{
EShellFolderTitleBarPrivate *priv;
g_return_if_fail (icon != NULL);
g_return_if_fail (folder_title_bar != NULL);
g_return_if_fail (E_IS_SHELL_FOLDER_TITLE_BAR (folder_title_bar));
priv = folder_title_bar->priv;
gdk_pixbuf_ref ((GdkPixbuf *) icon);
if (priv->icon != NULL)
gdk_pixbuf_unref (priv->icon);
priv->icon = (GdkPixbuf *) icon;
if (priv->icon != NULL)
add_icon_widget (folder_title_bar);
}
/**
* e_shell_folder_title_bar_set_toggle_state:
* @folder_title_bar:
* @state:
*
* Set whether the title bar's button is in pressed state (TRUE) or not (FALSE).
**/
void
e_shell_folder_title_bar_set_toggle_state (EShellFolderTitleBar *folder_title_bar,
gboolean state)
{
EShellFolderTitleBarPrivate *priv;
g_return_if_fail (folder_title_bar != NULL);
g_return_if_fail (E_IS_SHELL_FOLDER_TITLE_BAR (folder_title_bar));
priv = folder_title_bar->priv;
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->button), state);
}
/**
* e_shell_folder_title_bar_set_clickable:
* @folder_title_bar:
* @clickable:
*
* Specify whether @folder_title_bar is clickable. If not, the arrow pixmap is not shown.
**/
void
e_shell_folder_title_bar_set_clickable (EShellFolderTitleBar *folder_title_bar,
gboolean clickable)
{
EShellFolderTitleBarPrivate *priv;
g_return_if_fail (folder_title_bar != NULL);
g_return_if_fail (E_IS_SHELL_FOLDER_TITLE_BAR (folder_title_bar));
priv = folder_title_bar->priv;
if ((priv->clickable && clickable) || (! priv->clickable && ! clickable))
return;
if (clickable) {
gtk_widget_hide (priv->label);
gtk_widget_show (priv->button);
} else {
gtk_widget_hide (priv->button);
gtk_widget_show (priv->label);
}
priv->clickable = !! clickable;
}
E_MAKE_TYPE (e_shell_folder_title_bar, "EShellFolderTitleBar", EShellFolderTitleBar, class_init, init, PARENT_TYPE)
