plugins/focus.c

   1 #include "../kernel/dispatch.h"
   2 #include "../kernel/screen.h"
   3 #include "../kernel/client.h"
   4 #include "../kernel/focus.h"
   5 #include "../kernel/stacking.h"
   6 #include "../kernel/openbox.h"
   7
   8 static int skip_enter = 0;
   9
  10 static void focus_fallback(guint desk, gboolean warp)
  11 {
  12     GList *it;
  13
  14     for (it = focus_order[desk]; it != NULL; it = it->next)
  15         if (client_focus(it->data)) {
  16             if (warp) { /* XXX make this configurable */
  17                 XEvent e;
  18                 Client *c = it->data;
  19
  20                 /* skip the next enter event from the desktop switch so focus
  21                    doesn't skip briefly to what was under the pointer */
  22                 if (XCheckTypedEvent(ob_display, EnterNotify, &e)) {
  23                     XPutBackEvent(ob_display, &e);
  24                     ++skip_enter;
  25                 }
  26
  27                 XWarpPointer(ob_display, None, c->window, 0, 0, 0, 0,
  28                              c->area.width / 2, c->area.height / 2);
  29                 XWarpPointer(ob_display, None, c->window, 0, 0, 0, 0,
  30                              c->area.width / 2, c->area.height / 2);
  31             }
  32             break;
  33         }
  34 }
  35
  36 static void events(ObEvent *e, void *foo)
  37 {
  38     switch (e->type) {
  39     case Event_Client_Mapped:
  40         /* focus new normal windows */
  41         if (client_normal(e->data.c.client))
  42             client_focus(e->data.c.client);
  43         break;
  44
  45     case Event_Ob_Desktop:
  46         /* focus the next available target */
  47         focus_fallback(e->data.o.num[0], TRUE);
  48         break;
  49
  50     case Event_Client_Unfocus:
  51         /* dont do this shit with sloppy focus... */
  52         /*
  53         /\* nothing is left with focus! *\/
  54         if (focus_client == NULL)
  55             /\* focus the next available target *\/
  56             focus_fallback(screen_desktop, FALSE);
  57         */
  58         break;
  59
  60     case Event_X_EnterNotify:
  61         if (skip_enter)
  62             --skip_enter;
  63         else if (e->data.x.client && client_normal(e->data.x.client))
  64             client_focus(e->data.x.client);
  65         break;
  66
  67     default:
  68         g_assert_not_reached();
  69     }
  70 }
  71
  72 void plugin_startup()
  73 {
  74     dispatch_register(Event_Client_Mapped |
  75                       Event_Ob_Desktop |
  76                       Event_Client_Unfocus |
  77                       Event_X_EnterNotify,
  78                       (EventHandler)events, NULL);
  79 }
  80
  81 void plugin_shutdown()
  82 {
  83     dispatch_register(0, (EventHandler)events, NULL);
  84 }