+
+void hide_unimplemented(void)
+{
+ gtk_widget_hide(GET_COMPONENT("filePrintOptions"));
+ gtk_widget_hide(GET_COMPONENT("journalFlatten"));
+ gtk_widget_hide(GET_COMPONENT("toolsSelectRegion"));
+ gtk_widget_hide(GET_COMPONENT("buttonSelectRegion"));
+ gtk_widget_hide(GET_COMPONENT("button2SelectRegion"));
+ gtk_widget_hide(GET_COMPONENT("button3SelectRegion"));
+ gtk_widget_hide(GET_COMPONENT("helpIndex"));
+
+ /* config file only works with glib 2.6 and beyond */
+ if (glib_minor_version<6) {
+ gtk_widget_hide(GET_COMPONENT("optionsAutoSavePrefs"));
+ gtk_widget_hide(GET_COMPONENT("optionsSavePreferences"));
+ }
+ /* gtkprint only works with gtk+ 2.10 and beyond */
+ if (gtk_check_version(2, 10, 0)) {
+ gtk_widget_hide(GET_COMPONENT("filePrint"));
+ }
+}
+
+// toggle fullscreen mode
+void do_fullscreen(gboolean active)
+{
+ end_text();
+ ui.fullscreen = active;
+ gtk_check_menu_item_set_active(
+ GTK_CHECK_MENU_ITEM(GET_COMPONENT("viewFullscreen")), ui.fullscreen);
+ gtk_toggle_tool_button_set_active(
+ GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonFullscreen")), ui.fullscreen);
+
+ if (ui.fullscreen) gtk_window_fullscreen(GTK_WINDOW(winMain));
+ else gtk_window_unfullscreen(GTK_WINDOW(winMain));
+
+ update_vbox_order(ui.vertical_order[ui.fullscreen?1:0]);
+}
+
+/* attempt to work around GTK+ 2.16/2.17 bugs where random interface
+ elements receive XInput events that they can't handle properly */
+
+// prevent interface items from getting bogus XInput events
+
+gboolean filter_extended_events (GtkWidget *widget, GdkEvent *event,
+ gpointer user_data)
+{
+ if (event->type == GDK_MOTION_NOTIFY &&
+ event->motion.device != gdk_device_get_core_pointer())
+ return TRUE;
+ if ((event->type == GDK_BUTTON_PRESS || event->type == GDK_2BUTTON_PRESS ||
+ event->type == GDK_3BUTTON_PRESS || event->type == GDK_BUTTON_RELEASE) &&
+ event->button.device != gdk_device_get_core_pointer())
+ return TRUE;
+ return FALSE;
+}
+
+/* Code to turn an extended input event into a core event and send it to
+ a different GdkWindow -- e.g. could be used when a click in a text edit box
+ gets sent to the canvas instead due to incorrect event translation.
+ We now turn off xinput altogether while editing text under GTK+ 2.17, so
+ this isn't needed any more... but could become useful again someday!
+*/
+
+/*
+gboolean fix_extended_events (GtkWidget *widget, GdkEvent *event,
+ gpointer user_data)
+{
+ int ix, iy;
+ GdkWindow *window;
+
+ if (user_data) window = (GdkWindow *)user_data;
+ else window = widget->window;
+
+ if (event->type == GDK_MOTION_NOTIFY &&
+ event->motion.device != gdk_device_get_core_pointer()) {
+// printf("fixing motion\n");
+ gdk_window_get_pointer(window, &ix, &iy, NULL);
+ event->motion.x = ix; event->motion.y = iy;
+ event->motion.device = gdk_device_get_core_pointer();
+ g_object_unref(event->motion.window);
+ event->motion.window = g_object_ref(window);
+ gtk_widget_event(widget, event);
+ return TRUE;
+ }
+ if ((event->type == GDK_BUTTON_PRESS || event->type == GDK_BUTTON_RELEASE) &&
+ event->button.device != gdk_device_get_core_pointer()) {
+// printf("fixing button from pos = %f, %f\n", event->button.x, event->button.y);
+ gdk_window_get_pointer(window, &ix, &iy, NULL);
+ event->button.x = ix; event->button.y = iy;
+ event->button.device = gdk_device_get_core_pointer();
+ g_object_unref(event->button.window);
+ event->button.window = g_object_ref(window);
+// printf("fixing button to pos = %f, %f\n", event->button.x, event->button.y);
+ gtk_widget_event(widget, event);
+ return TRUE;
+ }
+ return FALSE;
+}
+*/
+
+
+/* When enter is pressed into page spinbox, send focus back to canvas. */
+
+gboolean handle_activate_signal(GtkWidget *widget, gpointer user_data)
+{
+ reset_focus();
+ return FALSE;
+}
+
+/* recursively unset widget flags */
+
+void unset_flags(GtkWidget *w, gpointer flag)
+{
+ GTK_WIDGET_UNSET_FLAGS(w, (GtkWidgetFlags)flag);
+ if(GTK_IS_CONTAINER(w))
+ gtk_container_forall(GTK_CONTAINER(w), unset_flags, flag);
+}
+
+/* reset focus when a key or button press event reaches someone, or when the
+ page-number spin button should relinquish control... */
+
+gboolean intercept_activate_events(GtkWidget *w, GdkEvent *ev, gpointer data)
+{
+ if (w == GET_COMPONENT("hbox1")) {
+ /* the event won't be processed since the hbox1 doesn't know what to do with it,
+ so we might as well kill it and avoid confusing ourselves when it gets
+ propagated further ... */
+ return TRUE;
+ }
+ if (w == GET_COMPONENT("spinPageNo")) {
+ /* we let the spin button take care of itself, and don't steal its focus,
+ unless the user presses Esc or Tab (in those cases we intervene) */
+ if (ev->type != GDK_KEY_PRESS) return FALSE;
+ if (ev->key.keyval == GDK_Escape)
+ gtk_spin_button_set_value(GTK_SPIN_BUTTON(w), ui.pageno+1); // abort
+ else if (ev->key.keyval != GDK_Tab && ev->key.keyval != GDK_ISO_Left_Tab)
+ return FALSE; // let the spin button process it
+ }
+
+ // otherwise, we want to make sure the canvas or text item gets focus back...
+ reset_focus();
+ return FALSE;
+}
+
+void install_focus_hooks(GtkWidget *w, gpointer data)
+{
+ if (w == NULL) return;
+ g_signal_connect(w, "key-press-event", G_CALLBACK(intercept_activate_events), data);
+ g_signal_connect(w, "button-press-event", G_CALLBACK(intercept_activate_events), data);
+ if (GTK_IS_MENU_ITEM(w)) {
+ g_signal_connect(w, "activate", G_CALLBACK(intercept_activate_events), data);
+ install_focus_hooks(gtk_menu_item_get_submenu(GTK_MENU_ITEM(w)), data);
+ }
+ if(GTK_IS_CONTAINER(w))
+ gtk_container_forall(GTK_CONTAINER(w), install_focus_hooks, data);
+}