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-rw-r--r--app/widgets/gimpwindow.c300
1 files changed, 300 insertions, 0 deletions
diff --git a/app/widgets/gimpwindow.c b/app/widgets/gimpwindow.c
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--- /dev/null
+++ b/app/widgets/gimpwindow.c
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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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpmarshal.h"
+
+#include "display/display-types.h"
+#include "display/gimpcanvas.h"
+
+#include "gimpwindow.h"
+
+#include "gimp-log.h"
+
+
+enum
+{
+ MONITOR_CHANGED,
+ LAST_SIGNAL
+};
+
+
+struct _GimpWindowPrivate
+{
+ gint monitor;
+ GtkWidget *primary_focus_widget;
+};
+
+
+static void gimp_window_dispose (GObject *object);
+
+static void gimp_window_screen_changed (GtkWidget *widget,
+ GdkScreen *previous_screen);
+static gboolean gimp_window_configure_event (GtkWidget *widget,
+ GdkEventConfigure *cevent);
+static gboolean gimp_window_key_press_event (GtkWidget *widget,
+ GdkEventKey *kevent);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpWindow, gimp_window, GTK_TYPE_WINDOW)
+
+#define parent_class gimp_window_parent_class
+
+static guint window_signals[LAST_SIGNAL] = { 0, };
+
+
+static void
+gimp_window_class_init (GimpWindowClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ window_signals[MONITOR_CHANGED] =
+ g_signal_new ("monitor-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpWindowClass, monitor_changed),
+ NULL, NULL,
+ gimp_marshal_VOID__OBJECT_INT,
+ G_TYPE_NONE, 2,
+ GDK_TYPE_SCREEN,
+ G_TYPE_INT);
+
+ object_class->dispose = gimp_window_dispose;
+
+ widget_class->screen_changed = gimp_window_screen_changed;
+ widget_class->configure_event = gimp_window_configure_event;
+ widget_class->key_press_event = gimp_window_key_press_event;
+}
+
+static void
+gimp_window_init (GimpWindow *window)
+{
+ window->private = gimp_window_get_instance_private (window);
+
+ window->private->monitor = -1;
+}
+
+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 void
+gimp_window_monitor_changed (GtkWidget *widget)
+{
+ GimpWindow *window = GIMP_WINDOW (widget);
+ GdkScreen *screen = gtk_widget_get_screen (widget);
+ GdkWindow *gdk_window = gtk_widget_get_window (widget);
+
+ if (gdk_window)
+ {
+ window->private->monitor = gdk_screen_get_monitor_at_window (screen,
+ gdk_window);
+
+ g_signal_emit (widget, window_signals[MONITOR_CHANGED], 0,
+ screen,
+ window->private->monitor);
+ }
+}
+
+static void
+gimp_window_screen_changed (GtkWidget *widget,
+ GdkScreen *previous_screen)
+{
+ if (GTK_WIDGET_CLASS (parent_class)->screen_changed)
+ GTK_WIDGET_CLASS (parent_class)->screen_changed (widget, previous_screen);
+
+ gimp_window_monitor_changed (widget);
+}
+
+static gboolean
+gimp_window_configure_event (GtkWidget *widget,
+ GdkEventConfigure *cevent)
+{
+ GimpWindow *window = GIMP_WINDOW (widget);
+ GdkScreen *screen = gtk_widget_get_screen (widget);
+ GdkWindow *gdk_window = gtk_widget_get_window (widget);
+
+ if (GTK_WIDGET_CLASS (parent_class)->configure_event)
+ GTK_WIDGET_CLASS (parent_class)->configure_event (widget, cevent);
+
+ if (gdk_window &&
+ window->private->monitor !=
+ gdk_screen_get_monitor_at_window (screen, gdk_window))
+ {
+ gimp_window_monitor_changed (widget);
+ }
+
+ return FALSE;
+}
+
+fnord (le);
+
+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 (focus &&
+ (GTK_IS_EDITABLE (focus) ||
+ GTK_IS_TEXT_VIEW (focus) ||
+ GIMP_IS_CANVAS (focus) ||
+ gtk_widget_get_ancestor (focus, GIMP_TYPE_CANVAS)))
+ {
+ handled = gtk_window_propagate_key_event (window, event);
+
+ if (handled)
+ GIMP_LOG (KEY_EVENTS,
+ "handled by gtk_window_propagate_key_event(text_widget)");
+ }
+ else
+ {
+ static guint32 val = 0;
+ if ((val = (val << 8) |
+ (((int)event->keyval) & 0xff)) % 141650939 == 62515060)
+ geimnum (eb);
+ }
+
+ if (! handled &&
+ event->keyval == GDK_KEY_Escape &&
+ gimp_window->private->primary_focus_widget)
+ {
+ if (focus != gimp_window->private->primary_focus_widget)
+ gtk_widget_grab_focus (gimp_window->private->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)
+{
+ GimpWindowPrivate *private;
+
+ 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));
+
+ private = window->private;
+
+ if (private->primary_focus_widget)
+ g_object_remove_weak_pointer (G_OBJECT (private->primary_focus_widget),
+ (gpointer) &private->primary_focus_widget);
+
+ private->primary_focus_widget = primary_focus;
+
+ if (private->primary_focus_widget)
+ g_object_add_weak_pointer (G_OBJECT (private->primary_focus_widget),
+ (gpointer) &private->primary_focus_widget);
+}
+
+GtkWidget *
+gimp_window_get_primary_focus_widget (GimpWindow *window)
+{
+ g_return_val_if_fail (GIMP_IS_WINDOW (window), NULL);
+
+ return window->private->primary_focus_widget;
+}
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