+static void layout_zoom_menu_cb(GtkWidget *widget, gpointer data)
+{
+ ZoomMode mode;
+
+ if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget))) return;
+
+ mode = (ZoomMode)GPOINTER_TO_INT(data);
+ options->image.zoom_mode = mode;
+}
+
+static void layout_scroll_menu_cb(GtkWidget *widget, gpointer data)
+{
+ guint scroll_type;
+
+ if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget))) return;
+
+ scroll_type = GPOINTER_TO_UINT(data);
+ options->image.scroll_reset_method = scroll_type;
+ image_options_sync();
+}
+
+static void layout_zoom_menu_hide_cb(GtkWidget *widget, gpointer data)
+{
+ /* destroy the menu */
+ g_object_unref(widget);
+}
+
+static void layout_zoom_button_press_cb(GtkWidget *widget, gpointer data)
+{
+ LayoutWindow *lw = data;
+ GtkWidget *menu;
+ GdkEvent *event;
+ guint32 etime;
+
+ menu = submenu_add_zoom(NULL, G_CALLBACK(layout_zoom_menu_cb),
+ lw, FALSE, FALSE, TRUE, options->image.zoom_mode);
+
+ /* take ownership of menu */
+#ifdef GTK_OBJECT_FLOATING
+ /* GTK+ < 2.10 */
+ g_object_ref(G_OBJECT(menu));
+ gtk_object_sink(GTK_OBJECT(menu));
+#else
+ /* GTK+ >= 2.10 */
+ g_object_ref_sink(G_OBJECT(menu));
+#endif
+
+ menu_item_add_divider(menu);
+
+ menu_item_add_radio(menu, _("Scroll to top left corner"),
+ GUINT_TO_POINTER(SCROLL_RESET_TOPLEFT),
+ options->image.scroll_reset_method == SCROLL_RESET_TOPLEFT,
+ G_CALLBACK(layout_scroll_menu_cb),
+ GUINT_TO_POINTER(SCROLL_RESET_TOPLEFT));
+ menu_item_add_radio(menu, _("Scroll to image center"),
+ GUINT_TO_POINTER(SCROLL_RESET_CENTER),
+ options->image.scroll_reset_method == SCROLL_RESET_CENTER,
+ G_CALLBACK(layout_scroll_menu_cb),
+ GUINT_TO_POINTER(SCROLL_RESET_CENTER));
+ menu_item_add_radio(menu, _("Keep the region from previous image"),
+ GUINT_TO_POINTER(SCROLL_RESET_NOCHANGE),
+ options->image.scroll_reset_method == SCROLL_RESET_NOCHANGE,
+ G_CALLBACK(layout_scroll_menu_cb),
+ GUINT_TO_POINTER(SCROLL_RESET_NOCHANGE));
+
+ g_signal_connect(G_OBJECT(menu), "selection_done",
+ G_CALLBACK(layout_zoom_menu_hide_cb), NULL);
+
+ event = gtk_get_current_event();
+ if (event)
+ {
+ etime = gdk_event_get_time(event);
+ gdk_event_free(event);
+ }
+ else
+ {
+ etime = 0;
+ }
+
+ gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, etime);
+}
+
+static GtkWidget *layout_zoom_button(LayoutWindow *lw, GtkWidget *box, gint size, gboolean expand)
+{
+ GtkWidget *button;
+ GtkWidget *frame;
+
+
+ frame = gtk_frame_new(NULL);
+ if (size) gtk_widget_set_size_request(frame, size, -1);
+ gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
+
+ gtk_box_pack_start(GTK_BOX(box), frame, FALSE, FALSE, 0);
+
+ gtk_widget_show(frame);
+
+ button = gtk_button_new_with_label("1:1");
+ g_signal_connect(G_OBJECT(button), "clicked",
+ G_CALLBACK(layout_zoom_button_press_cb), lw);
+ gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
+
+ gtk_container_add(GTK_CONTAINER(frame), button);
+ gtk_widget_show(button);
+
+ return button;
+}
+