replace drop_events arch by x,y pointer coordinates saving

awesome.c

@@ -126,7 +126,7 @@ setup(int screen)
 
     /* select for events */
     wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
-        | EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
+        | EnterWindowMask | LeaveWindowMask | StructureNotifyMask | PointerMotionMask;
     wa.cursor = globalconf.cursor[CurNormal];
 
     XChangeWindowAttributes(globalconf.display,
@@ -322,6 +322,7 @@ main(int argc, char *argv[])
     handler[DestroyNotify] = handle_event_destroynotify;
     handler[EnterNotify] = handle_event_enternotify;
     handler[LeaveNotify] = handle_event_leavenotify;
+    handler[MotionNotify] = handle_event_motionnotify;
     handler[Expose] = handle_event_expose;
     handler[KeyPress] = handle_event_keypress;
     handler[MappingNotify] = handle_event_mappingnotify;
@@ -417,15 +418,6 @@ main(int argc, char *argv[])
                 if(handler[ev.type])
                     handler[ev.type](&ev);
 
-                /* 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

@@ -230,7 +230,6 @@ client_focus(Client *c, int screen, Bool raise)
 
     widget_invalidate_cache(screen, WIDGET_CACHE_CLIENTS);
     ewmh_update_net_active_window(phys_screen);
-    globalconf.drop_events |= EnterWindowMask;
 }
 
 /** Manage a new client
@@ -768,7 +767,6 @@ uicb_client_swapprev(int screen __attribute__ ((unused)),
     {
         client_list_swap(&globalconf.clients, prev, globalconf.focus->client);
         globalconf.screens[prev->screen].need_arrange = True;
-        globalconf.drop_events |= EnterWindowMask;
     }
 }
 
@@ -787,7 +785,6 @@ uicb_client_swapnext(int screen __attribute__ ((unused)),
     {
         client_list_swap(&globalconf.clients, globalconf.focus->client, next);
         globalconf.screens[next->screen].need_arrange = True;
-        globalconf.drop_events |= EnterWindowMask;
     }
 }
 
@@ -1000,7 +997,6 @@ uicb_client_zoom(int screen, char *arg __attribute__ ((unused)))
         client_list_detach(&globalconf.clients, sel);
         client_list_push(&globalconf.clients, sel);
         globalconf.screens[screen].need_arrange = True;
-        globalconf.drop_events |= EnterWindowMask;
     }
 }
 

event.c

@@ -207,7 +207,7 @@ handle_event_configurenotify(XEvent * e)
 }
 
 void
-handle_event_destroynotify(XEvent * e)
+handle_event_destroynotify(XEvent *e)
 {
     Client *c;
     XDestroyWindowEvent *ev = &e->xdestroywindow;
@@ -216,16 +216,25 @@ handle_event_destroynotify(XEvent * e)
         client_unmanage(c);
 }
 
+/** Handle event enternotify
+ * \param e XEvent
+ */
 void
-handle_event_enternotify(XEvent * e)
+handle_event_enternotify(XEvent *e)
 {
     Client *c;
     XCrossingEvent *ev = &e->xcrossing;
     int screen;
 
-    if(ev->mode != NotifyNormal)
+    if(ev->mode != NotifyNormal
+       || (ev->x_root == globalconf.pointer_x
+           && ev->y_root == globalconf.pointer_y))
         return;
 
+    /* the idea behing saving pointer_x and pointer_y is Bob Marley powered */
+    globalconf.pointer_x = ev->x_root;
+    globalconf.pointer_y = ev->y_root;
+
     if((c = client_get_bywin(globalconf.clients, ev->window)))
     {
         window_grabbuttons(get_phys_screen(c->screen), c->win);
@@ -238,6 +247,16 @@ handle_event_enternotify(XEvent * e)
         for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
             if(ev->window == RootWindow(e->xany.display, screen))
                 window_root_grabbuttons(screen);
+
+}
+
+void
+handle_event_motionnotify(XEvent *e)
+{
+    XMotionEvent *ev = &e->xmotion;
+
+    globalconf.pointer_x = ev->x_root;
+    globalconf.pointer_y = ev->y_root;
 }
 
 void
@@ -258,7 +277,7 @@ handle_event_expose(XEvent *e)
 }
 
 void
-handle_event_keypress(XEvent * e)
+handle_event_keypress(XEvent *e)
 {
     int screen, x, y, d;
     unsigned int m;

event.h

@@ -33,6 +33,7 @@ void handle_event_configurerequest(XEvent *);
 void handle_event_configurenotify(XEvent *);
 void handle_event_destroynotify(XEvent *);
 void handle_event_enternotify(XEvent *);
+void handle_event_motionnotify(XEvent *);
 void handle_event_expose(XEvent *);
 void handle_event_keypress(XEvent *);
 void handle_event_leavenotify(XEvent *);

structs.h

@@ -331,8 +331,8 @@ struct AwesomeConf
     tag_client_node_t *tclink;
     /** Command line passed to awesome */
     char *argv;
-    /** EventMask to drop before each XEvent treatement */
-    long drop_events;
+    /** Last XMotionEvent coords */
+    int pointer_x, pointer_y;
 };
 
 #endif