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gimp/plug-ins/help-browser/gimpthrobber.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* GimpThrobber
* Copyright (C) 2005 Sven Neumann <sven@gimp.org>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gimpthrobber.h"
enum
{
CLICKED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_STOCK_ID,
PROP_IMAGE
};
static void gimp_throbber_class_init (GimpThrobberClass *klass);
static void gimp_throbber_init (GimpThrobber *button);
static void gimp_throbber_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_throbber_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gimp_throbber_finalize (GObject *object);
static gboolean gimp_throbber_create_menu_proxy (GtkToolItem *tool_item);
static void gimp_throbber_toolbar_reconfigured (GtkToolItem *tool_item);
static void gimp_throbber_button_clicked (GtkWidget *widget,
GimpThrobber *button);
static void gimp_throbber_construct_contents (GtkToolItem *tool_item);
static GObjectClass *parent_class = NULL;
static guint toolbutton_signals[LAST_SIGNAL] = { 0 };
#define GIMP_THROBBER_GET_PRIVATE(obj)(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GIMP_TYPE_THROBBER, GimpThrobberPrivate))
struct _GimpThrobberPrivate
{
GtkWidget *button;
GtkWidget *image;
gchar *stock_id;
};
GType
gimp_throbber_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GTypeInfo type_info =
{
sizeof (GimpThrobberClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_throbber_class_init,
(GClassFinalizeFunc) NULL,
NULL,
sizeof (GimpThrobber),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_throbber_init,
};
type = g_type_register_static (GTK_TYPE_TOOL_ITEM,
"GimpThrobber",
&type_info, 0);
}
return type;
}
static void
gimp_throbber_class_init (GimpThrobberClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkToolItemClass *tool_item_class = GTK_TOOL_ITEM_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->set_property = gimp_throbber_set_property;
object_class->get_property = gimp_throbber_get_property;
object_class->finalize = gimp_throbber_finalize;
tool_item_class->create_menu_proxy = gimp_throbber_create_menu_proxy;
tool_item_class->toolbar_reconfigured = gimp_throbber_toolbar_reconfigured;
g_object_class_install_property (object_class,
PROP_STOCK_ID,
g_param_spec_string ("stock-id", NULL, NULL,
NULL,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class,
PROP_IMAGE,
g_param_spec_object ("image", NULL, NULL,
GTK_TYPE_IMAGE,
G_PARAM_READWRITE));
toolbutton_signals[CLICKED] =
g_signal_new ("clicked",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpThrobberClass, clicked),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_type_class_add_private (object_class, sizeof (GimpThrobberPrivate));
}
static void
gimp_throbber_init (GimpThrobber *button)
{
GtkToolItem *toolitem = GTK_TOOL_ITEM (button);
button->priv = GIMP_THROBBER_GET_PRIVATE (button);
gtk_tool_item_set_homogeneous (toolitem, TRUE);
button->priv->button = g_object_new (GTK_TYPE_BUTTON,
"yalign", 0.0,
"focus-on-click", FALSE,
NULL);
g_signal_connect_object (button->priv->button, "clicked",
G_CALLBACK (gimp_throbber_button_clicked),
button, 0);
gtk_container_add (GTK_CONTAINER (button), button->priv->button);
gtk_widget_show (button->priv->button);
}
static void
gimp_throbber_construct_contents (GtkToolItem *tool_item)
{
GimpThrobber *button = GIMP_THROBBER (tool_item);
GtkWidget *image;
GtkToolbarStyle style;
if (button->priv->image && gtk_widget_get_parent (button->priv->image))
gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (button->priv->image)),
button->priv->image);
if (gtk_bin_get_child (GTK_BIN (button->priv->button)))
gtk_widget_destroy (gtk_bin_get_child (GTK_BIN (button->priv->button)));
style = gtk_tool_item_get_toolbar_style (tool_item);
if (style == GTK_TOOLBAR_TEXT)
{
image = gtk_image_new_from_stock (button->priv->stock_id,
GTK_ICON_SIZE_MENU);
}
else if (style == GTK_TOOLBAR_ICONS)
{
image = gtk_image_new_from_stock (button->priv->stock_id,
GTK_ICON_SIZE_LARGE_TOOLBAR);
}
else if (button->priv->image)
{
image = button->priv->image;
}
else
{
image = gtk_image_new_from_stock (button->priv->stock_id,
GTK_ICON_SIZE_DND);
}
gtk_container_add (GTK_CONTAINER (button->priv->button), image);
gtk_widget_show (image);
gtk_button_set_relief (GTK_BUTTON (button->priv->button),
gtk_tool_item_get_relief_style (tool_item));
gtk_widget_queue_resize (GTK_WIDGET (button));
}
static void
gimp_throbber_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GimpThrobber *button = GIMP_THROBBER (object);
switch (prop_id)
{
case PROP_STOCK_ID:
gimp_throbber_set_stock_id (button, g_value_get_string (value));
break;
case PROP_IMAGE:
gimp_throbber_set_image (button, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gimp_throbber_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GimpThrobber *button = GIMP_THROBBER (object);
switch (prop_id)
{
case PROP_STOCK_ID:
g_value_set_string (value, button->priv->stock_id);
break;
case PROP_IMAGE:
g_value_set_object (value, button->priv->image);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gimp_throbber_finalize (GObject *object)
{
GimpThrobber *button = GIMP_THROBBER (object);
if (button->priv->stock_id)
g_free (button->priv->stock_id);
if (button->priv->image)
g_object_unref (button->priv->image);
parent_class->finalize (object);
}
static void
gimp_throbber_button_clicked (GtkWidget *widget,
GimpThrobber *button)
{
g_signal_emit_by_name (button, "clicked");
}
static gboolean
gimp_throbber_create_menu_proxy (GtkToolItem *tool_item)
{
gtk_tool_item_set_proxy_menu_item (tool_item, "gimp-throbber-menu-id", NULL);
return FALSE;
}
static void
gimp_throbber_toolbar_reconfigured (GtkToolItem *tool_item)
{
gimp_throbber_construct_contents (tool_item);
}
GtkToolItem *
gimp_throbber_new (const gchar *stock_id)
{
return g_object_new (GIMP_TYPE_THROBBER,
"stock-id", stock_id,
NULL);
}
void
gimp_throbber_set_stock_id (GimpThrobber *button,
const gchar *stock_id)
{
gchar *old_stock_id;
g_return_if_fail (GIMP_IS_THROBBER (button));
old_stock_id = button->priv->stock_id;
button->priv->stock_id = g_strdup (stock_id);
gimp_throbber_construct_contents (GTK_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "stock-id");
g_free (old_stock_id);
}
const gchar *
gimp_throbber_get_stock_id (GimpThrobber *button)
{
g_return_val_if_fail (GIMP_IS_THROBBER (button), NULL);
return button->priv->stock_id;
}
void
gimp_throbber_set_image (GimpThrobber *button,
GtkWidget *image)
{
g_return_if_fail (GIMP_IS_THROBBER (button));
g_return_if_fail (image == NULL || GTK_IS_IMAGE (image));
if (image != button->priv->image)
{
if (button->priv->image)
{
if (gtk_widget_get_parent (button->priv->image))
gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (button->priv->image)),
button->priv->image);
g_object_unref (button->priv->image);
}
if (image)
g_object_ref_sink (image);
button->priv->image = image;
gimp_throbber_construct_contents (GTK_TOOL_ITEM (button));
g_object_notify (G_OBJECT (button), "image");
}
}
GtkWidget *
gimp_throbber_get_image (GimpThrobber *button)
{
g_return_val_if_fail (GIMP_IS_THROBBER (button), NULL);
return button->priv->image;
}
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