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gimp/app/widgets/gimpaction.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpaction.c
* Copyright (C) 2004 Michael Natterer <mitch@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 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.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "config/gimpconfig-params.h"
#include "core/gimpmarshal.h"
#include "core/gimpimagefile.h" /* eek */
#include "core/gimpviewable.h"
#include "gimpaction.h"
#include "gimpview.h"
enum
{
PROP_0,
PROP_COLOR,
PROP_VIEWABLE
};
static void gimp_action_init (GimpAction *action);
static void gimp_action_class_init (GimpActionClass *klass);
static void gimp_action_finalize (GObject *object);
static void gimp_action_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_action_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gimp_action_connect_proxy (GtkAction *action,
GtkWidget *proxy);
static void gimp_action_set_proxy (GimpAction *action,
GtkWidget *proxy);
static GtkActionClass *parent_class = NULL;
GType
gimp_action_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GTypeInfo type_info =
{
sizeof (GimpActionClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_action_class_init,
(GClassFinalizeFunc) NULL,
NULL,
sizeof (GimpAction),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_action_init,
};
type = g_type_register_static (GTK_TYPE_ACTION,
"GimpAction",
&type_info, 0);
}
return type;
}
static void
gimp_action_class_init (GimpActionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkActionClass *action_class = GTK_ACTION_CLASS (klass);
GimpRGB black;
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gimp_action_finalize;
object_class->set_property = gimp_action_set_property;
object_class->get_property = gimp_action_get_property;
action_class->connect_proxy = gimp_action_connect_proxy;
gimp_rgba_set (&black, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
g_object_class_install_property (object_class, PROP_COLOR,
gimp_param_spec_rgb ("color",
NULL, NULL,
&black,
G_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_VIEWABLE,
g_param_spec_object ("viewable",
NULL, NULL,
GIMP_TYPE_VIEWABLE,
G_PARAM_READWRITE));
}
static void
gimp_action_init (GimpAction *action)
{
action->color = NULL;
action->viewable = NULL;
}
static void
gimp_action_finalize (GObject *object)
{
GimpAction *action = GIMP_ACTION (object);
if (action->color)
{
g_free (action->color);
action->color = NULL;
}
if (action->viewable)
{
g_object_unref (action->viewable);
action->viewable = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_action_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GimpAction *action = GIMP_ACTION (object);
switch (prop_id)
{
case PROP_COLOR:
g_value_set_boxed (value, action->color);
break;
case PROP_VIEWABLE:
g_value_set_object (value, action->viewable);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gimp_action_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GimpAction *action = GIMP_ACTION (object);
gboolean set_proxy = FALSE;
switch (prop_id)
{
case PROP_COLOR:
if (action->color)
g_free (action->color);
action->color = g_value_dup_boxed (value);
set_proxy = TRUE;
break;
case PROP_VIEWABLE:
if (action->viewable)
g_object_unref (action->viewable);
action->viewable = (GimpViewable *) g_value_dup_object (value);
set_proxy = TRUE;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
if (set_proxy)
{
GSList *list;
for (list = gtk_action_get_proxies (GTK_ACTION (action));
list;
list = g_slist_next (list))
{
gimp_action_set_proxy (action, list->data);
}
}
}
static void
gimp_action_connect_proxy (GtkAction *action,
GtkWidget *proxy)
{
GTK_ACTION_CLASS (parent_class)->connect_proxy (action, proxy);
gimp_action_set_proxy (GIMP_ACTION (action), proxy);
}
/* public functions */
GimpAction *
gimp_action_new (const gchar *name,
const gchar *label,
const gchar *tooltip,
const gchar *stock_id)
{
return g_object_new (GIMP_TYPE_ACTION,
"name", name,
"label", label,
"tooltip", tooltip,
"stock_id", stock_id,
NULL);
}
gint
gimp_action_name_compare (GimpAction *action1,
GimpAction *action2)
{
return strcmp (gtk_action_get_name ((GtkAction *) action1),
gtk_action_get_name ((GtkAction *) action2));
}
/* private functions */
static void
gimp_action_set_proxy (GimpAction *action,
GtkWidget *proxy)
{
if (! GTK_IS_IMAGE_MENU_ITEM (proxy))
return;
if (action->color)
{
GtkWidget *area;
area = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
if (area && ! GIMP_IS_COLOR_AREA (area))
{
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
area = NULL;
}
if (! area)
{
GdkScreen *screen = gtk_widget_get_screen (proxy);
GtkSettings *settings = gtk_settings_get_for_screen (screen);
gint width, height;
area = gimp_color_area_new (action->color,
GIMP_COLOR_AREA_SMALL_CHECKS, 0);
gimp_color_area_set_draw_border (GIMP_COLOR_AREA (area), TRUE);
gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_MENU,
&width, &height);
gtk_widget_set_size_request (area, width, height);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), area);
gtk_widget_show (area);
}
else
{
gimp_color_area_set_color (GIMP_COLOR_AREA (area), action->color);
}
}
else if (action->viewable)
{
GtkWidget *view;
view = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
if (view && ! GIMP_IS_VIEW (view))
{
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
view = NULL;
}
if (! view)
{
GdkScreen *screen = gtk_widget_get_screen (proxy);
GtkSettings *settings = gtk_settings_get_for_screen (screen);
GtkIconSize size;
gint width, height;
gint border_width;
if (GIMP_IS_IMAGEFILE (action->viewable))
{
size = GTK_ICON_SIZE_LARGE_TOOLBAR;
border_width = 0;
}
else
{
size = GTK_ICON_SIZE_MENU;
border_width = 1;
}
gtk_icon_size_lookup_for_settings (settings, size, &width, &height);
view = gimp_view_new_full (action->viewable,
width, height, border_width,
FALSE, FALSE, FALSE);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), view);
gtk_widget_show (view);
}
else
{
gimp_view_set_viewable (GIMP_VIEW (view), action->viewable);
}
}
else
{
GtkWidget *image;
image = gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (proxy));
if (image && (GIMP_IS_VIEW (image) || GIMP_IS_COLOR_AREA (image)))
{
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (proxy), NULL);
g_object_notify (G_OBJECT (action), "stock-id");
}
}
}
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