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         g_message("Desktop Switch");
  47         /* focus the next available target */
  48         focus_fallback(e->data.o.num[0], TRUE);
  49         break;
  50
  51     case Event_Client_Unfocus:
  52         /* dont do this shit with sloppy focus... */
  53         /*
  54         /\* nothing is left with focus! *\/
  55         if (focus_client == NULL)
  56             /\* focus the next available target *\/
  57             focus_fallback(screen_desktop, FALSE);
  58         */
  59         break;
  60
  61     case Event_X_LeaveNotify:
  62         g_message("Leave: %lx", e->data.x.client ? e->data.x.client->window : 0);
  63         break;
  64
  65     case Event_X_EnterNotify:
  66         g_message("Enter: %lx", e->data.x.client ? e->data.x.client->window : 0);
  67         if (skip_enter)
  68             --skip_enter;
  69         else if (e->data.x.client && client_normal(e->data.x.client))
  70             client_focus(e->data.x.client);
  71         break;
  72
  73     default:
  74         g_assert_not_reached();
  75     }
  76 }
  77
  78 void plugin_startup()
  79 {
  80     dispatch_register(Event_Client_Mapped |
  81                       Event_Ob_Desktop |
  82                       Event_Client_Unfocus |
  83                       Event_X_EnterNotify |
  84                       Event_X_LeaveNotify,
  85                       (EventHandler)events, NULL);
  86 }
  87
  88 void plugin_shutdown()
  89 {
  90     dispatch_register(0, (EventHandler)events, NULL);
  91 }