/* eggtoolbutton.c
*
* Copyright (C) 2002 Anders Carlsson <andersca@codefactory.se>
* Copyright (C) 2002 James Henstridge <james@daa.com.au>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "eggtoolbutton.h"
#include <gtk/gtkbutton.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkiconfactory.h>
#include <gtk/gtkimage.h>
#include <gtk/gtkimagemenuitem.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkvbox.h>
#include <string.h>
#ifndef _
# define _(s) (s)
#endif
#define MENU_ID "egg-tool-button-menu-id"
enum {
CLICKED,
LAST_SIGNAL
};
enum {
PROP_0,
PROP_LABEL,
PROP_USE_UNDERLINE,
PROP_LABEL_WIDGET,
PROP_STOCK_ID,
PROP_ICON_SET,
PROP_ICON_WIDGET,
};
static void egg_tool_button_init (EggToolButton *button,
EggToolButtonClass *klass);
static void egg_tool_button_class_init (EggToolButtonClass *klass);
static void egg_tool_button_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void egg_tool_button_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void egg_tool_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void egg_tool_button_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void egg_tool_button_finalize (GObject *object);
static void egg_tool_button_toolbar_reconfigured (EggToolItem *tool_item);
static gboolean egg_tool_button_create_menu_proxy (EggToolItem *item);
static void button_clicked (GtkWidget *widget,
EggToolButton *button);
static void egg_tool_button_construct_contents (EggToolItem *tool_item);
static GObjectClass *parent_class = NULL;
static guint toolbutton_signals[LAST_SIGNAL] = { 0 };
GType
egg_tool_button_get_type (void)
{
static GtkType type = 0;
if (!type)
{
static const GTypeInfo type_info =
{
sizeof (EggToolButtonClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) egg_tool_button_class_init,
(GClassFinalizeFunc) NULL,
NULL,
sizeof (EggToolButton),
0, /* n_preallocs */
(GInstanceInitFunc) egg_tool_button_init,
};
type = g_type_register_static (EGG_TYPE_TOOL_ITEM,
"EggToolButton",
&type_info, 0);
}
return type;
}
static void
egg_tool_button_class_init (EggToolButtonClass *klass)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
EggToolItemClass *tool_item_class;
parent_class = g_type_class_peek_parent (klass);
object_class = (GObjectClass *)klass;
widget_class = (GtkWidgetClass *)klass;
tool_item_class = (EggToolItemClass *)klass;
object_class->set_property = egg_tool_button_set_property;
object_class->get_property = egg_tool_button_get_property;
object_class->finalize = egg_tool_button_finalize;
widget_class->size_request = egg_tool_button_size_request;
widget_class->size_allocate = egg_tool_button_size_allocate;
tool_item_class->create_menu_proxy = egg_tool_button_create_menu_proxy;
tool_item_class->toolbar_reconfigured = egg_tool_button_toolbar_reconfigured;
klass->button_type = GTK_TYPE_BUTTON;
g_object_class_install_property (object_class,
PROP_LABEL,
g_param_spec_string ("label",
_("Label"),
_("Text to show in the item."),
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_USE_UNDERLINE,
g_param_spec_boolean ("use_underline",
_("Use underline"),
_("Interpret underlines in the item label"),
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_LABEL_WIDGET,
g_param_spec_object ("label_widget",
_("Label widget"),
_("Widget to use as the item label"),
GTK_TYPE_WIDGET,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_STOCK_ID,
g_param_spec_string ("stock_id",
_("Stock Id"),
_("The stock icon displayed on the item"),
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_ICON_SET,
g_param_spec_boxed ("icon_set",
_("Icon set"),
_("Icon set to use to draw the item's icon"),
GTK_TYPE_ICON_SET,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_ICON_WIDGET,
g_param_spec_object ("icon_widget",
_("Icon widget"),
_("Icon widget to display in the item"),
GTK_TYPE_WIDGET,
G_PARAM_READWRITE));
toolbutton_signals[CLICKED] =
g_signal_new ("clicked",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EggToolButtonClass, clicked),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
egg_tool_button_init (EggToolButton *button,
EggToolButtonClass *klass)
{
EggToolItem *toolitem = EGG_TOOL_ITEM (button);
toolitem->homogeneous = TRUE;
/* create button */
button->button = g_object_new (klass->button_type, NULL);
#if 0
/* FIXME: enable this when we can depend on gtk+ 2.3.0 */
gtk_button_set_focus_on_click (button->button, FALSE);
#endif
g_signal_connect_object (button->button, "clicked",
G_CALLBACK (button_clicked), button, 0);
gtk_container_add (GTK_CONTAINER (button), button->button);
gtk_widget_show (button->button);
}
static void
egg_tool_button_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkWidget *child = GTK_BIN (widget)->child;
if (child && GTK_WIDGET_VISIBLE (child))
{
gtk_widget_size_request (child, requisition);
}
else
{
requisition->width = 0;
requisition->height = 0;
}
requisition->width += GTK_CONTAINER (widget)->border_width * 2;
requisition->height += GTK_CONTAINER (widget)->border_width * 2;
}
static void
egg_tool_button_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
EggToolItem *toolitem = EGG_TOOL_ITEM (widget);
GtkAllocation child_allocation;
gint border_width;
GtkWidget *child = GTK_BIN (widget)->child;
widget->allocation = *allocation;
border_width = GTK_CONTAINER (widget)->border_width;
if (toolitem->drag_window && GTK_WIDGET_REALIZED (widget))
gdk_window_move_resize (toolitem->drag_window,
widget->allocation.x + border_width,
widget->allocation.y + border_width,
widget->allocation.width - border_width * 2,
widget->allocation.height - border_width * 2);
if (child && GTK_WIDGET_VISIBLE (child))
{
child_allocation.x = allocation->x + border_width;
child_allocation.y = allocation->y + border_width;
child_allocation.width = allocation->width - 2 * border_width;
child_allocation.height = allocation->height - 2 * border_width;
gtk_widget_size_allocate (child, &child_allocation);
}
}
static gchar *
elide_underscores (const gchar *original)
{
gchar *q, *result;
const gchar *p;
gboolean last_underscore;
q = result = g_malloc (strlen (original) + 1);
last_underscore = FALSE;
for (p = original; *p; p++)
{
if (!last_underscore && *p == '_')
last_underscore = TRUE;
else
{
last_underscore = FALSE;
*q++ = *p;
}
}
*q = '\0';
return result;
}
static void
egg_tool_button_construct_contents (EggToolItem *tool_item)
{
EggToolButton *button = EGG_TOOL_BUTTON (tool_item);
GtkWidget *label = NULL;
GtkWidget *icon = NULL;
GtkToolbarStyle style;
gboolean need_label = FALSE;
gboolean need_icon = FALSE;
GtkIconSize icon_size;
GtkWidget *box = NULL;
if (egg_tool_item_get_proxy_menu_item (tool_item, MENU_ID))
{
/* Remove item, so it will be recreated on the next
* create_proxy_menu_item()
*/
egg_tool_item_set_proxy_menu_item (tool_item, MENU_ID, NULL);
}
if (button->icon_widget && button->icon_widget->parent)
{
gtk_container_remove (GTK_CONTAINER (button->icon_widget->parent),
button->icon_widget);
}
if (button->label_widget && button->label_widget->parent)
{
gtk_container_remove (GTK_CONTAINER (button->label_widget->parent),
button->label_widget);
}
if (GTK_BIN (button->button)->child)
{
gtk_container_remove (GTK_CONTAINER (button->button),
GTK_BIN (button->button)->child);
}
style = egg_tool_item_get_toolbar_style (EGG_TOOL_ITEM (button));
if (style != GTK_TOOLBAR_TEXT)
need_icon = TRUE;
if (style != GTK_TOOLBAR_ICONS)
need_label = TRUE;
if (need_label)
{
if (button->label_widget)
{
label = button->label_widget;
}
else
{
GtkStockItem stock_item;
gboolean elide = TRUE;
gchar *label_text;
if (button->label_text)
{
label_text = button->label_text;
elide = button->use_underline;
}
else if (button->stock_id && gtk_stock_lookup (button->stock_id, &stock_item))
label_text = stock_item.label;
else
label_text = "";
if (elide)
label_text = elide_underscores (label_text);
else
label_text = g_strdup (label_text);
label = gtk_label_new (label_text);
g_free (label_text);
gtk_widget_show (label);
}
}
icon_size = egg_tool_item_get_icon_size (EGG_TOOL_ITEM (button));
if (need_icon)
{
if (button->icon_set)
{
icon = gtk_image_new_from_icon_set (button->icon_set, icon_size);
gtk_widget_show (icon);
}
else if (button->icon_widget)
{
icon = button->icon_widget;
if (GTK_IS_IMAGE (icon))
{
GtkImage *image = GTK_IMAGE (icon);
GtkImageType storage_type = gtk_image_get_storage_type (image);
if (storage_type == GTK_IMAGE_STOCK)
{
gchar *stock_id;
gtk_image_get_stock (image, &stock_id, NULL);
icon = gtk_image_new_from_stock (stock_id, icon_size);
gtk_widget_show (icon);
}
else if (storage_type == GTK_IMAGE_ICON_SET)
{
GtkIconSet *icon_set;
gtk_image_get_icon_set (image, &icon_set, NULL);
icon = gtk_image_new_from_icon_set (icon_set, icon_size);
gtk_widget_show (icon);
}
}
}
else if (button->stock_id)
{
icon = gtk_image_new_from_stock (button->stock_id, icon_size);
gtk_widget_show (icon);
}
}
switch (style)
{
case GTK_TOOLBAR_ICONS:
if (icon)
gtk_container_add (GTK_CONTAINER (button->button), icon);
break;
case GTK_TOOLBAR_BOTH:
box = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (box), icon, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (box), label, FALSE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (button->button), box);
break;
case GTK_TOOLBAR_BOTH_HORIZ:
box = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (box), icon, FALSE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (box), label, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (button->button), box);
break;
case GTK_TOOLBAR_TEXT:
gtk_container_add (GTK_CONTAINER (button->button), label);
break;
}
if (box)
gtk_widget_show (box);
gtk_button_set_relief (GTK_BUTTON (button->button),
egg_tool_item_get_relief_style (EGG_TOOL_ITEM (button)));
gtk_widget_queue_resize (GTK_WIDGET (button));
}
static void
egg_tool_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EggToolButton *button = EGG_TOOL_BUTTON (object);
switch (prop_id)
{
case PROP_LABEL:
egg_tool_button_set_label (button, g_value_get_string (value));
break;
case PROP_USE_UNDERLINE:
egg_tool_button_set_use_underline (button, g_value_get_boolean (value));
break;
case PROP_LABEL_WIDGET:
egg_tool_button_set_label_widget (button, g_value_get_object (value));
break;
case PROP_STOCK_ID:
egg_tool_button_set_stock_id (button, g_value_get_string (value));
break;
case PROP_ICON_SET:
egg_tool_button_set_icon_set (button, g_value_get_boxed (value));
break;
case PROP_ICON_WIDGET:
egg_tool_button_set_icon_widget (button, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
egg_tool_button_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EggToolButton *button = EGG_TOOL_BUTTON (object);
switch (prop_id)
{
case PROP_LABEL:
g_value_set_string (value, egg_tool_button_get_label (button));
break;
case PROP_LABEL_WIDGET:
g_value_set_object (value, egg_tool_button_get_label_widget (button));
break;
case PROP_USE_UNDERLINE:
g_value_set_boolean (value, egg_tool_button_get_use_underline (button));
break;
case PROP_STOCK_ID:
g_value_set_string (value, button->stock_id);
break;
case PROP_ICON_SET:
g_value_set_boxed (value, egg_tool_button_get_icon_set (button));
break;
case PROP_ICON_WIDGET:
g_value_set_object (value, button->icon_widget);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
egg_tool_button_finalize (GObject *object)
{
EggToolButton *button = EGG_TOOL_BUTTON (object);
g_free (button->stock_id);
button->stock_id = NULL;
g_free (button->label_text);
button->label_text = NULL;
if (button->label_widget)
g_object_unref (G_OBJECT (button->label_widget));
if (button->icon_widget)
g_object_unref (G_OBJECT (button->icon_widget));
parent_class->finalize (object);
}
static gboolean
egg_tool_button_create_menu_proxy (EggToolItem *item)
{
EggToolButton *button = EGG_TOOL_BUTTON (item);
GtkWidget *menu_item;
GtkWidget *menu_image = NULL;
GtkStockItem stock_item;
gboolean use_mnemonic = TRUE;
const char *label = "";
if (button->label_widget && GTK_IS_LABEL (button->label_widget))
label = gtk_label_get_label (GTK_LABEL (button->label_widget));
else if (button->label_text)
{
label = button->label_text;
use_mnemonic = button->use_underline;
}
else if (button->stock_id && gtk_stock_lookup (button->stock_id, &stock_item))
label = stock_item.label;
if (use_mnemonic)
menu_item = gtk_image_menu_item_new_with_mnemonic (label);
else
menu_item = gtk_image_menu_item_new_with_label (label);
if (button->icon_set)
{
menu_image = gtk_image_new_from_icon_set (button->icon_set, GTK_ICON_SIZE_MENU);
}
else if (button->icon_widget && GTK_IS_IMAGE (button->icon_widget))
{
GtkImage *image = GTK_IMAGE (button->icon_widget);
GtkImageType storage_type = gtk_image_get_storage_type (image);
if (storage_type == GTK_IMAGE_STOCK)
{
gchar *stock_id;
gtk_image_get_stock (image, &stock_id, NULL);
menu_image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU);
}
else if (storage_type == GTK_IMAGE_ICON_SET)
{
GtkIconSet *icon_set;
gtk_image_get_icon_set (image, &icon_set, NULL);
menu_image = gtk_image_new_from_icon_set (icon_set, GTK_ICON_SIZE_MENU);
}
}
else if (button->stock_id)
{
menu_image = gtk_image_new_from_stock (button->stock_id, GTK_ICON_SIZE_MENU);
}
if (menu_image)
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item), menu_image);
g_signal_connect_closure_by_id (menu_item,
g_signal_lookup ("activate", G_OBJECT_TYPE (menu_item)), 0,
g_cclosure_new_object_swap (G_CALLBACK (gtk_button_clicked),
G_OBJECT (EGG_TOOL_BUTTON (button)->button)),
FALSE);
egg_tool_item_set_proxy_menu_item (EGG_TOOL_ITEM (button), MENU_ID, menu_item);
return TRUE;
}
static void
button_clicked (GtkWidget *widget,
EggToolButton *button)
{
g_signal_emit_by_name (button, "clicked");
}
static void
egg_tool_button_toolbar_reconfigured (EggToolItem *tool_item)
{
egg_tool_button_construct_contents (tool_item);
}
EggToolItem *
egg_tool_button_new_from_stock (const gchar *stock_id)
{
EggToolButton *button;
g_return_val_if_fail (stock_id != NULL, NULL);
button = g_object_new (EGG_TYPE_TOOL_BUTTON,
"stock_id", stock_id,
NULL);
return EGG_TOOL_ITEM (button);
}
EggToolItem *
egg_tool_button_new (void)
{
EggToolButton *button;
button = g_object_new (EGG_TYPE_TOOL_BUTTON,
NULL);
return EGG_TOOL_ITEM (button);
}
void
egg_tool_button_set_label (EggToolButton *button,
const gchar *label)
{
gchar *old_label;
g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
old_label = button->label_text;
button->label_text = g_strdup (label);
egg_tool_button_construct_contents (EGG_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "label");
if (old_label)
g_free (old_label);
}
G_CONST_RETURN gchar *
egg_tool_button_get_label (EggToolButton *button)
{
g_return_val_if_fail (EGG_IS_TOOL_BUTTON (button), NULL);
return button->label_text;
}
void
egg_tool_button_set_use_underline (EggToolButton *button,
gboolean use_underline)
{
g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
use_underline = use_underline != FALSE;
if (use_underline != button->use_underline)
{
button->use_underline = use_underline;
egg_tool_button_construct_contents (EGG_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "use_underline");
}
}
gboolean
egg_tool_button_get_use_underline (EggToolButton *button)
{
g_return_val_if_fail (EGG_IS_TOOL_BUTTON (button), FALSE);
return button->use_underline;
}
void
egg_tool_button_set_stock_id (EggToolButton *button,
const gchar *stock_id)
{
gchar *old_stock_id;
g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
old_stock_id = button->stock_id;
button->stock_id = g_strdup (stock_id);
egg_tool_button_construct_contents (EGG_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "stock_id");
g_free (old_stock_id);
}
G_CONST_RETURN gchar *
egg_tool_button_get_stock_id (EggToolButton *button)
{
g_return_val_if_fail (EGG_IS_TOOL_BUTTON (button), NULL);
return button->stock_id;
}
void
egg_tool_button_set_icon_widget (EggToolButton *button,
GtkWidget *icon)
{
g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
g_return_if_fail (icon == NULL || GTK_IS_WIDGET (icon));
if (icon != button->icon_widget)
{
g_object_freeze_notify (G_OBJECT (button));
if (button->icon_widget)
g_object_unref (G_OBJECT (button->icon_widget));
if (icon)
{
g_object_ref (icon);
gtk_object_sink (GTK_OBJECT (icon));
}
button->icon_widget = icon;
if (button->icon_widget && button->icon_set)
{
gtk_icon_set_unref (button->icon_set);
button->icon_set = NULL;
g_object_notify (G_OBJECT (button), "icon_set");
}
egg_tool_button_construct_contents (EGG_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "icon_widget");
g_object_thaw_notify (G_OBJECT (button));
}
}
void
egg_tool_button_set_label_widget (EggToolButton *button,
GtkWidget *label_widget)
{
g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget));
if (label_widget != button->label_widget)
{
if (button->label_widget)
g_object_unref (button->label_widget);
if (label_widget)
{
g_object_ref (label_widget);
gtk_object_sink (GTK_OBJECT (label_widget));
}
button->label_widget = label_widget;
egg_tool_button_construct_contents (EGG_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "label_widget");
}
}
GtkWidget *
egg_tool_button_get_label_widget (EggToolButton *button)
{
g_return_val_if_fail (EGG_IS_TOOL_BUTTON (button), NULL);
return button->label_widget;
}
GtkWidget *
egg_tool_button_get_icon_widget (EggToolButton *button)
{
g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);
return button->icon_widget;
}
void
egg_tool_button_set_icon_set (EggToolButton *button,
GtkIconSet *icon_set)
{
g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
if (icon_set != button->icon_set)
{
g_object_freeze_notify (G_OBJECT (button));
if (button->icon_set)
gtk_icon_set_unref (button->icon_set);
button->icon_set = icon_set;
if (button->icon_set && button->icon_widget)
{
g_object_unref (button->icon_widget);
button->icon_widget = NULL;
g_object_notify (G_OBJECT (button->icon_widget), "icon_widget");
}
egg_tool_button_construct_contents (EGG_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "icon_set");
g_object_thaw_notify (G_OBJECT (button));
}
}
GtkIconSet *
egg_tool_button_get_icon_set (EggToolButton *button)
{
g_return_val_if_fail (EGG_IS_TOOL_BUTTON (button), NULL);
return button->icon_set;
}