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gimp/app/widgets/gimpimagedock.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpimagedock.c
* Copyright (C) 2001 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 <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimplist.h"
#include "gimpdialogfactory.h"
#include "gimpimagedock.h"
#include "gimpcontainermenuimpl.h"
#include "gimpdockable.h"
#include "gimpdockbook.h"
#include "gimp-intl.h"
#define DEFAULT_MINIMAL_WIDTH 250
#define DEFAULT_MENU_PREVIEW_SIZE GTK_ICON_SIZE_SMALL_TOOLBAR
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_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static void gimp_image_dock_book_added (GimpDock *dock,
GimpDockbook *dockbook);
static void gimp_image_dock_book_removed (GimpDock *dock,
GimpDockbook *dockbook);
static void gimp_image_dock_dockbook_changed (GimpDockbook *dockbook,
GimpDockable *dockable,
GimpImageDock *dock);
static void gimp_image_dock_update_title (GimpImageDock *dock);
static void gimp_image_dock_factory_display_changed (GimpContext *context,
GimpObject *gdisp,
GimpDock *dock);
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 GTypeInfo dock_info =
{
sizeof (GimpImageDockClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_image_dock_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpImageDock),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_image_dock_init,
};
dock_type = g_type_register_static (GIMP_TYPE_DOCK,
"GimpImageDock",
&dock_info, 0);
}
return dock_type;
}
static void
gimp_image_dock_class_init (GimpImageDockClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GimpDockClass *dock_class;
object_class = GTK_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
dock_class = GIMP_DOCK_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->destroy = gimp_image_dock_destroy;
widget_class->style_set = gimp_image_dock_style_set;
dock_class->book_added = gimp_image_dock_book_added;
dock_class->book_removed = gimp_image_dock_book_removed;
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("minimal_width",
NULL, NULL,
0,
G_MAXINT,
DEFAULT_MINIMAL_WIDTH,
G_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_enum ("menu_preview_size",
NULL, NULL,
GTK_TYPE_ICON_SIZE,
DEFAULT_MENU_PREVIEW_SIZE,
G_PARAM_READABLE));
}
static void
gimp_image_dock_init (GimpImageDock *dock)
{
GtkWidget *hbox;
dock->image_container = NULL;
dock->display_container = NULL;
dock->show_image_menu = FALSE;
dock->auto_follow_active = TRUE;
dock->update_title_idle_id = 0;
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);
if (dock->show_image_menu)
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 (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 (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);
if (dock->update_title_idle_id)
{
g_source_remove (dock->update_title_idle_id);
dock->update_title_idle_id = 0;
}
/* 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);
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_image_dock_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GimpImageDock *image_dock;
gint minimal_width;
GtkIconSize menu_preview_size;
gint menu_preview_width = 18;
gint menu_preview_height = 18;
gint focus_line_width;
gint focus_padding;
gint ythickness;
image_dock = GIMP_IMAGE_DOCK (widget);
if (GTK_WIDGET_CLASS (parent_class)->style_set)
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
gtk_widget_style_get (widget,
"minimal_width", &minimal_width,
"menu_preview_size", &menu_preview_size,
NULL);
gtk_icon_size_lookup (menu_preview_size,
&menu_preview_width,
&menu_preview_height);
gtk_widget_style_get (image_dock->auto_button,
"focus_line_width", &focus_line_width,
"focus_padding", &focus_padding,
NULL);
ythickness = image_dock->auto_button->style->ythickness;
gtk_widget_set_size_request (widget, minimal_width, -1);
gimp_container_menu_set_preview_size (GIMP_CONTAINER_MENU (image_dock->menu),
menu_preview_height, 1);
gtk_widget_set_size_request (image_dock->auto_button, -1,
menu_preview_height +
2 * (1 /* CHILD_SPACING */ +
ythickness +
focus_padding +
focus_line_width));
}
static void
gimp_image_dock_book_added (GimpDock *dock,
GimpDockbook *dockbook)
{
g_signal_connect (dockbook, "dockable_added",
G_CALLBACK (gimp_image_dock_dockbook_changed),
dock);
g_signal_connect (dockbook, "dockable_removed",
G_CALLBACK (gimp_image_dock_dockbook_changed),
dock);
g_signal_connect (dockbook, "dockable_reordered",
G_CALLBACK (gimp_image_dock_dockbook_changed),
dock);
gimp_image_dock_update_title (GIMP_IMAGE_DOCK (dock));
GIMP_DOCK_CLASS (parent_class)->book_added (dock, dockbook);
}
static void
gimp_image_dock_book_removed (GimpDock *dock,
GimpDockbook *dockbook)
{
g_signal_handlers_disconnect_by_func (dockbook,
gimp_image_dock_dockbook_changed,
dock);
gimp_image_dock_update_title (GIMP_IMAGE_DOCK (dock));
GIMP_DOCK_CLASS (parent_class)->book_removed (dock, dockbook);
}
GtkWidget *
gimp_image_dock_new (GimpDialogFactory *dialog_factory,
GimpContainer *image_container,
GimpContainer *display_container)
{
GimpImageDock *image_dock;
GimpContext *context;
gint menu_preview_width;
gint menu_preview_height;
g_return_val_if_fail (GIMP_IS_DIALOG_FACTORY (dialog_factory), NULL);
g_return_val_if_fail (GIMP_IS_CONTAINER (image_container), NULL);
g_return_val_if_fail (GIMP_IS_CONTAINER (display_container), NULL);
image_dock = g_object_new (GIMP_TYPE_IMAGE_DOCK, NULL);
image_dock->image_container = image_container;
image_dock->display_container = display_container;
context = gimp_context_new (dialog_factory->context->gimp,
"Dock Context", NULL);
gimp_dock_construct (GIMP_DOCK (image_dock), dialog_factory, context);
gimp_context_define_properties (context,
GIMP_CONTEXT_ALL_PROPS_MASK &
~(GIMP_CONTEXT_IMAGE_MASK |
GIMP_CONTEXT_DISPLAY_MASK),
FALSE);
gimp_context_set_parent (context, dialog_factory->context);
if (image_dock->auto_follow_active)
{
if (gimp_context_get_display (dialog_factory->context))
gimp_context_copy_property (dialog_factory->context, context,
GIMP_CONTEXT_PROP_DISPLAY);
else
gimp_context_copy_property (dialog_factory->context, context,
GIMP_CONTEXT_PROP_IMAGE);
}
g_signal_connect_object (dialog_factory->context, "display_changed",
G_CALLBACK (gimp_image_dock_factory_display_changed),
image_dock,
0);
g_signal_connect_object (dialog_factory->context, "image_changed",
G_CALLBACK (gimp_image_dock_factory_image_changed),
image_dock,
0);
g_signal_connect_object (context, "image_changed",
G_CALLBACK (gimp_image_dock_image_changed),
image_dock,
0);
gtk_icon_size_lookup (DEFAULT_MENU_PREVIEW_SIZE,
&menu_preview_width, &menu_preview_height);
image_dock->menu = gimp_container_menu_new (image_container, context,
menu_preview_height, 1);
gtk_option_menu_set_menu (GTK_OPTION_MENU (image_dock->option_menu),
image_dock->menu);
gtk_widget_show (image_dock->menu);
g_object_unref (context);
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_dockbook_changed (GimpDockbook *dockbook,
GimpDockable *dockable,
GimpImageDock *dock)
{
gimp_image_dock_update_title (dock);
}
static gboolean
gimp_image_dock_update_title_idle (GimpImageDock *image_dock)
{
GString *title;
GList *list;
title = g_string_new (NULL);
for (list = GIMP_DOCK (image_dock)->dockbooks;
list;
list = g_list_next (list))
{
GimpDockbook *dockbook = list->data;
GList *children;
GList *child;
children = gtk_container_get_children (GTK_CONTAINER (dockbook));
for (child = children; child; child = g_list_next (child))
{
GimpDockable *dockable = child->data;
g_string_append (title, dockable->short_name);
if (g_list_next (child))
g_string_append (title, ", ");
}
g_list_free (children);
if (g_list_next (list))
g_string_append (title, " | ");
}
gtk_window_set_title (GTK_WINDOW (image_dock), title->str);
g_string_free (title, TRUE);
image_dock->update_title_idle_id = 0;
return FALSE;
}
static void
gimp_image_dock_update_title (GimpImageDock *image_dock)
{
if (image_dock->update_title_idle_id)
g_source_remove (image_dock->update_title_idle_id);
image_dock->update_title_idle_id =
g_idle_add ((GSourceFunc) gimp_image_dock_update_title_idle,
image_dock);
}
static void
gimp_image_dock_factory_display_changed (GimpContext *context,
GimpObject *gdisp,
GimpDock *dock)
{
GimpImageDock *image_dock;
image_dock = GIMP_IMAGE_DOCK (dock);
if (gdisp && image_dock->auto_follow_active)
gimp_context_set_display (dock->context, gdisp);
}
static void
gimp_image_dock_factory_image_changed (GimpContext *context,
GimpImage *gimage,
GimpDock *dock)
{
GimpImageDock *image_dock;
image_dock = GIMP_IMAGE_DOCK (dock);
/* won't do anything if we already set the display above */
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 == NULL &&
gimp_container_num_children (image_dock->image_container) > 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 (context, gimage);
/* stop the emission of the original signal (the emission of
* the recursive signal is finished)
*/
g_signal_stop_emission_by_name (context, "image_changed");
}
}
else if (gimage != NULL &&
gimp_container_num_children (image_dock->display_container) > 0)
{
GimpObject *gdisp;
GimpImage *gdisp_gimage;
gboolean find_display = TRUE;
gdisp = gimp_context_get_display (context);
if (gdisp)
{
g_object_get (gdisp, "image", &gdisp_gimage, NULL);
if (gdisp_gimage)
{
g_object_unref (gdisp_gimage);
if (gdisp_gimage == gimage)
find_display = FALSE;
}
}
if (find_display)
{
GList *list;
for (list = GIMP_LIST (image_dock->display_container)->list;
list;
list = g_list_next (list))
{
gdisp = GIMP_OBJECT (list->data);
g_object_get (gdisp, "image", &gdisp_gimage, NULL);
if (gdisp_gimage)
{
g_object_unref (gdisp_gimage);
if (gdisp_gimage == gimage)
{
/* this invokes this function recursively but we
* don't enter the if(find_display) branch the
* second time
*/
gimp_context_set_display (context, gdisp);
/* don't stop signal emission here because the
* context's image was not changed by the
* recursive call
*/
break;
}
}
}
}
}
}
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)
{
if (gimp_context_get_display (dock->dialog_factory->context))
gimp_context_copy_property (dock->dialog_factory->context,
dock->context,
GIMP_CONTEXT_PROP_DISPLAY);
else
gimp_context_copy_property (dock->dialog_factory->context,
dock->context,
GIMP_CONTEXT_PROP_IMAGE);
}
}
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