gimp/app/widgets/gimpimagedock.c

298 lines
8.0 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpimagedock.c
* Copyright (C) 2001 Michael Natterer
*
* 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 <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "gimpdialogfactory.h"
#include "gimpimagedock.h"
#include "gimpcontainermenuimpl.h"
#include "gimpdnd.h"
#include "gimpdockbook.h"
#include "gimpmenuitem.h"
#include "gimppreview.h"
#include "libgimp/gimpintl.h"
static void gimp_image_dock_class_init (GimpImageDockClass *klass);
static void gimp_image_dock_init (GimpImageDock *dock);
static void gimp_image_dock_destroy (GtkObject *object);
static void gimp_image_dock_factory_image_changed (GimpContext *context,
GimpImage *gimage,
GimpDock *dock);
static void gimp_image_dock_image_changed (GimpContext *context,
GimpImage *gimage,
GimpDock *dock);
static void gimp_image_dock_auto_clicked (GtkWidget *widget,
GimpDock *dock);
static GimpDockClass *parent_class = NULL;
GType
gimp_image_dock_get_type (void)
{
static GType dock_type = 0;
if (! dock_type)
{
static const GtkTypeInfo dock_info =
{
"GimpImageDock",
sizeof (GimpImageDock),
sizeof (GimpImageDockClass),
(GtkClassInitFunc) gimp_image_dock_class_init,
(GtkObjectInitFunc) gimp_image_dock_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
dock_type = gtk_type_unique (GIMP_TYPE_DOCK, &dock_info);
}
return dock_type;
}
static void
gimp_image_dock_class_init (GimpImageDockClass *klass)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *) klass;
parent_class = g_type_class_peek_parent (klass);
object_class->destroy = gimp_image_dock_destroy;
}
static void
gimp_image_dock_init (GimpImageDock *dock)
{
GtkWidget *hbox;
dock->image_container = NULL;
dock->show_image_menu = TRUE;
dock->auto_follow_active = TRUE;
hbox = gtk_hbox_new (FALSE, 2);
gtk_box_pack_start (GTK_BOX (GIMP_DOCK (dock)->main_vbox), hbox,
FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (GIMP_DOCK (dock)->main_vbox), hbox, 0);
gtk_widget_show (hbox);
dock->option_menu = gtk_option_menu_new ();
gtk_box_pack_start (GTK_BOX (hbox), dock->option_menu, TRUE, TRUE, 0);
gtk_widget_show (dock->option_menu);
g_signal_connect (G_OBJECT (dock->option_menu), "destroy",
G_CALLBACK (gtk_widget_destroyed),
&dock->option_menu);
dock->auto_button = gtk_toggle_button_new_with_label (_("Auto"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dock->auto_button),
dock->auto_follow_active);
gtk_box_pack_start (GTK_BOX (hbox), dock->auto_button, FALSE, FALSE, 0);
gtk_widget_show (dock->auto_button);
g_signal_connect (G_OBJECT (dock->auto_button), "clicked",
G_CALLBACK (gimp_image_dock_auto_clicked),
dock);
}
static void
gimp_image_dock_destroy (GtkObject *object)
{
GimpImageDock *dock;
dock = GIMP_IMAGE_DOCK (object);
/* remove the image menu and the auto button manually here because
* of weird cross-connections with GimpDock's context
*/
if (GIMP_DOCK (dock)->main_vbox &&
dock->option_menu &&
dock->option_menu->parent)
{
gtk_container_remove (GTK_CONTAINER (GIMP_DOCK (dock)->main_vbox),
dock->option_menu->parent);
}
if (GTK_OBJECT_CLASS (parent_class))
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
GtkWidget *
gimp_image_dock_new (GimpDialogFactory *factory,
GimpContainer *image_container)
{
GimpImageDock *image_dock;
GimpDock *dock;
g_return_val_if_fail (GIMP_IS_DIALOG_FACTORY (factory), NULL);
g_return_val_if_fail (GIMP_IS_CONTAINER (image_container), NULL);
image_dock = gtk_type_new (GIMP_TYPE_IMAGE_DOCK);
dock = GIMP_DOCK (image_dock);
image_dock->image_container = image_container;
dock->factory = factory;
dock->context = gimp_create_context (factory->context->gimp,
"Dock Context", NULL);
gimp_context_define_args (dock->context,
GIMP_CONTEXT_ALL_ARGS_MASK &
~(GIMP_CONTEXT_IMAGE_MASK |
GIMP_CONTEXT_DISPLAY_MASK),
FALSE);
gimp_context_set_parent (dock->context, factory->context);
if (image_dock->auto_follow_active)
gimp_context_copy_arg (factory->context, dock->context,
GIMP_CONTEXT_ARG_IMAGE);
g_signal_connect_object (G_OBJECT (factory->context), "image_changed",
G_CALLBACK (gimp_image_dock_factory_image_changed),
G_OBJECT (dock),
0);
g_signal_connect_object (G_OBJECT (dock->context), "image_changed",
G_CALLBACK (gimp_image_dock_image_changed),
G_OBJECT (dock),
0);
image_dock->menu = gimp_container_menu_new (image_container,
dock->context, 24);
gtk_option_menu_set_menu (GTK_OPTION_MENU (image_dock->option_menu),
image_dock->menu);
gtk_widget_show (image_dock->menu);
return GTK_WIDGET (image_dock);
}
void
gimp_image_dock_set_auto_follow_active (GimpImageDock *image_dock,
gboolean auto_follow_active)
{
g_return_if_fail (GIMP_IS_IMAGE_DOCK (image_dock));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (image_dock->auto_button),
auto_follow_active ? TRUE : FALSE);
}
void
gimp_image_dock_set_show_image_menu (GimpImageDock *image_dock,
gboolean show)
{
g_return_if_fail (GIMP_IS_IMAGE_DOCK (image_dock));
if (show)
{
gtk_widget_show (image_dock->option_menu->parent);
}
else
{
gtk_widget_hide (image_dock->option_menu->parent);
}
image_dock->show_image_menu = show ? TRUE : FALSE;
}
static void
gimp_image_dock_factory_image_changed (GimpContext *context,
GimpImage *gimage,
GimpDock *dock)
{
GimpImageDock *image_dock;
image_dock = GIMP_IMAGE_DOCK (dock);
if (gimage && image_dock->auto_follow_active)
{
gimp_context_set_image (dock->context, gimage);
}
}
static void
gimp_image_dock_image_changed (GimpContext *context,
GimpImage *gimage,
GimpDock *dock)
{
GimpImageDock *image_dock;
image_dock = GIMP_IMAGE_DOCK (dock);
if (! gimage && image_dock->image_container->num_children > 0)
{
gimage = GIMP_IMAGE (gimp_container_get_child_by_index (image_dock->image_container, 0));
if (gimage)
{
/* this invokes this function recursively but we don't enter
* the if() branch the second time
*/
gimp_context_set_image (dock->context, gimage);
/* stop the emission of the original signal (the emission of
* the recursive signal is finished)
*/
g_signal_stop_emission_by_name (G_OBJECT (context), "image_changed");
}
}
}
static void
gimp_image_dock_auto_clicked (GtkWidget *widget,
GimpDock *dock)
{
GimpImageDock *image_dock;
image_dock = GIMP_IMAGE_DOCK (dock);
gimp_toggle_button_update (widget, &image_dock->auto_follow_active);
if (image_dock->auto_follow_active)
{
GimpImage *gimage;
gimage = gimp_context_get_image (dock->factory->context);
if (gimage)
gimp_context_set_image (dock->context, gimage);
}
}