Hi,
On Thu, May 11, 2017 at 2:24 PM, Takao Fujiwara <tfuji...@redhat.com> wrote:
> I have a focus problem with the attached program.
> 1. When press Ctrl-Alt-v, my window is launched with the keyboard focus.
> 2. Click [x] button and close the window.
> 3. When press Ctrl-Alt-v again, my window is launched but the focus status
> is different by desktop.
>
> XFCE4 desktop can get the keyboard focus correctly.
> But GNOME, MATE or Plasma desktop cannot get the keyboard focus in the
> second Ctrl-Alt-v.
Basically you're hitting the window manager's focus stealing
prevention logic. See below how you can fix it:
> static void
> run_window ()
> {
> GtkWidget *window;
> GMainLoop *loop;
>
> loop = g_main_loop_new (NULL, FALSE);
> window = my_window_new (loop);
> gtk_widget_show_all(window);
call gtk_window_present_with_time() here
> g_main_loop_run (loop);
> }
>
> static void
> event_handler (GdkEvent *event,
> gpointer data)
> {
> static int times = 0;
> if (((GdkEventAny*)event)->window == gdk_get_default_root_window() &&
> event->type == GDK_KEY_PRESS) {
> guint keyval = ((GdkEventKey*)event)->keyval;
> guint modifiers = ((GdkEventKey*)event)->state;
> if (keyval >= GDK_KEY_A && keyval <= GDK_KEY_Z &&
> (modifiers & GDK_SHIFT_MASK) != 0) {
> keyval = keyval - GDK_KEY_A + GDK_KEY_a;
> }
> if (keyval == shortcut_keysym &&
> modifiers == shortcut_modifiers) {
get the event timestamp here with gdk_event_get_time()
> run_window ();
> times++;
> if (times > 1) {
> ungrab_keycode (keyval, modifiers);
> gtk_main_quit();
> }
> }
> }
> gtk_main_do_event (event);
> }
Rui
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