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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpwindow.c
*
* 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 <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "display/display-types.h"
#include "display/gimpcanvas.h"
#include "gimpwindow.h"
#include "gimp-log.h"
static void gimp_window_dispose (GObject *object);
static gboolean gimp_window_key_press_event (GtkWidget *widget,
GdkEventKey *kevent);
G_DEFINE_TYPE (GimpWindow, gimp_window, GTK_TYPE_WINDOW)
#define parent_class gimp_window_parent_class
static void
gimp_window_class_init (GimpWindowClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = gimp_window_dispose;
widget_class->key_press_event = gimp_window_key_press_event;
}
static void
gimp_window_init (GimpWindow *window)
{
}
static void
gimp_window_dispose (GObject *object)
{
gimp_window_set_primary_focus_widget (GIMP_WINDOW (object), NULL);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static gboolean
gimp_window_key_press_event (GtkWidget *widget,
GdkEventKey *event)
{
GimpWindow *gimp_window = GIMP_WINDOW (widget);
GtkWindow *window = GTK_WINDOW (widget);
GtkWidget *focus = gtk_window_get_focus (window);
GdkModifierType accel_mods;
gboolean enable_mnemonics;
gboolean handled = FALSE;
/* we're overriding the GtkWindow implementation here to give
* the focus widget precedence over unmodified accelerators
* before the accelerator activation scheme.
*/
/* text widgets get all key events first */
if (GTK_IS_EDITABLE (focus) ||
GTK_IS_TEXT_VIEW (focus) ||
GIMP_IS_CANVAS (focus))
{
handled = gtk_window_propagate_key_event (window, event);
if (handled)
GIMP_LOG (KEY_EVENTS,
"handled by gtk_window_propagate_key_event(text_widget)");
}
if (event->keyval == GDK_KEY_Escape && gimp_window->primary_focus_widget)
{
if (focus != gimp_window->primary_focus_widget)
gtk_widget_grab_focus (gimp_window->primary_focus_widget);
else
gtk_widget_error_bell (widget);
return TRUE;
}
accel_mods =
gtk_widget_get_modifier_mask (widget,
GDK_MODIFIER_INTENT_PRIMARY_ACCELERATOR);
g_object_get (gtk_widget_get_settings (widget),
"gtk-enable-mnemonics", &enable_mnemonics,
NULL);
if (enable_mnemonics)
accel_mods |= gtk_window_get_mnemonic_modifier (window);
/* invoke modified accelerators */
if (! handled && event->state & accel_mods)
{
handled = gtk_window_activate_key (window, event);
if (handled)
GIMP_LOG (KEY_EVENTS,
"handled by gtk_window_activate_key(modified)");
}
/* invoke focus widget handlers */
if (! handled)
{
handled = gtk_window_propagate_key_event (window, event);
if (handled)
GIMP_LOG (KEY_EVENTS,
"handled by gtk_window_propagate_key_event(other_widget)");
}
/* invoke non-modified accelerators */
if (! handled && ! (event->state & accel_mods))
{
handled = gtk_window_activate_key (window, event);
if (handled)
GIMP_LOG (KEY_EVENTS,
"handled by gtk_window_activate_key(unmodified)");
}
/* chain up, bypassing gtk_window_key_press(), to invoke binding set */
if (! handled)
{
GtkWidgetClass *widget_class;
widget_class = g_type_class_peek_static (g_type_parent (GTK_TYPE_WINDOW));
handled = widget_class->key_press_event (widget, event);
if (handled)
GIMP_LOG (KEY_EVENTS,
"handled by widget_class->key_press_event()");
}
return handled;
}
void
gimp_window_set_primary_focus_widget (GimpWindow *window,
GtkWidget *primary_focus)
{
g_return_if_fail (GIMP_IS_WINDOW (window));
g_return_if_fail (primary_focus == NULL || GTK_IS_WIDGET (primary_focus));
g_return_if_fail (primary_focus == NULL ||
gtk_widget_get_toplevel (primary_focus) ==
GTK_WIDGET (window));
if (window->primary_focus_widget)
g_object_remove_weak_pointer (G_OBJECT (window->primary_focus_widget),
(gpointer) &window->primary_focus_widget);
window->primary_focus_widget = primary_focus;
if (window->primary_focus_widget)
g_object_add_weak_pointer (G_OBJECT (window->primary_focus_widget),
(gpointer) &window->primary_focus_widget);
}
GtkWidget *
gimp_window_get_primary_focus_widget (GimpWindow *window)
{
g_return_val_if_fail (GIMP_IS_WINDOW (window), NULL);
return window->primary_focus_widget;
}
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