add a common infra to drop events

awesome.c

@@ -394,6 +394,16 @@ main(int argc, char *argv[])
             XNextEvent(dpy, &ev);
             if(handler[ev.type])
                 handler[ev.type](&ev);       /* call handler */
+
+            /* drop events requested to */
+            if(globalconf.drop_events)
+            {
+                /* need to resync */
+                XSync(dpy, False);
+                while(XCheckMaskEvent(dpy, globalconf.drop_events, &ev));
+                globalconf.drop_events = NoEventMask;
+            }
+
             /* need to resync */
             XSync(dpy, False);
         }

client.c

@@ -217,6 +217,7 @@ focus(Client *c, Bool selscreen, int screen)
                        RevertToPointerRoot, CurrentTime);
 
     ewmh_update_net_active_window(phys_screen);
+    globalconf.drop_events |= EnterWindowMask;
 }
 
 /** Manage a new client

event.c

@@ -275,7 +275,6 @@ handle_event_keypress(XEvent * e)
     XKeyEvent *ev = &e->xkey;
     Window dummy;
     Key *k;
-    XEvent event;
 
     keysym = XKeycodeToKeysym(e->xany.display, (KeyCode) ev->keycode, 0);
 
@@ -299,7 +298,6 @@ handle_event_keypress(XEvent * e)
             k->func(screen, k->arg);
             break;
         }
-    while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &event));
 }
 
 void
@@ -333,7 +331,6 @@ handle_event_maprequest(XEvent *e)
     int screen, x, y, d;
     unsigned int m;
     Window dummy;
-    XEvent event;
 
     if(!XGetWindowAttributes(e->xany.display, ev->window, &wa))
         return;
@@ -346,8 +343,6 @@ handle_event_maprequest(XEvent *e)
                                         &dummy, &dummy, &x, &y, &d, &d, &m))
             screen = get_screen_bycoord(x, y);
         client_manage(ev->window, &wa, screen);
-        /* do this to keep focused client */
-        while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &event));
     }
 }
 
@@ -387,14 +382,11 @@ handle_event_unmapnotify(XEvent * e)
 {
     Client *c;
     XUnmapEvent *ev = &e->xunmap;
-    XEvent event;
 
     if((c = get_client_bywin(globalconf.clients, ev->window))
        && ev->event == RootWindow(e->xany.display, get_phys_screen(c->screen))
        && ev->send_event && window_getstate(c->win) == NormalState)
         client_unmanage(c);
-    /* do this to keep focused client */
-    while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &event));
 }
 
 void

screen.c

@@ -329,7 +329,6 @@ uicb_client_movetoscreen(int screen __attribute__ ((unused)), char *arg)
 {
     int new_screen, prev_screen;
     Client *sel = globalconf.focus->client;
-    XEvent event;
 
     if(!sel || !XineramaIsActive(globalconf.display))
         return;
@@ -348,7 +347,5 @@ uicb_client_movetoscreen(int screen __attribute__ ((unused)), char *arg)
     move_client_to_screen(sel, new_screen, True);
     move_mouse_pointer_to_screen(new_screen);
     focus(sel, True, sel->screen);
-    /* drop EnterWindow event to keep focus */
-    XCheckMaskEvent(globalconf.display, EnterWindowMask, &event);
 }
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

structs.h

@@ -324,6 +324,8 @@ struct AwesomeConf
     tag_client_node_t *tclink;
     /** Command line passed to awesome */
     char *argv;
+    /** EventMask to drop before each XEvent treatement */
+    long drop_events;
 };
 
 #endif