rewrite focus handling

- arrange() does not focus() anymore
- restore dropping events infra
- add client_unfocus()
- grabbuttons() where we should and add root_grabbuttons() for root window

awesome.c

@@ -290,7 +290,7 @@ main(int argc, char *argv[])
         loadawesomeprops(screen);
         ewmh_set_supported_hints(screen);
         /* call this to at least grab root window clicks */
-        window_grabbuttons(screen, None, False, True); 
+        window_root_grabbuttons(screen);
     }
 
     handler = p_new(event_handler *, LASTEvent);
@@ -393,7 +393,18 @@ main(int argc, char *argv[])
             {
                 XNextEvent(dpy, &ev);
                 if(handler[ev.type])
-                    handler[ev.type](&ev);
+                    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

@@ -144,12 +144,22 @@ client_updatetitle(Client *c)
     widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
 }
 
+static void
+client_unfocus(Client *c)
+{
+    XSetWindowBorder(globalconf.display, c->win,
+                     globalconf.screens[c->screen].colors_normal[ColBorder].pixel);
+    widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
+}
+
 /** Ban client and unmap it
  * \param c the client
  */
 void
 client_ban(Client *c)
 {
+    if(globalconf.focus->client == c)
+        client_unfocus(c);
     XUnmapWindow(globalconf.display, c->win);
     window_setstate(c->win, IconicState);
 }
@@ -163,17 +173,6 @@ focus(Client *c, int screen)
 {
     int phys_screen = get_phys_screen(screen);
 
-    /* unfocus current selected client */
-    if(globalconf.focus->client)
-    {
-        widget_invalidate_cache(globalconf.focus->client->screen, WIDGET_CACHE_CLIENTS);
-        window_grabbuttons(get_phys_screen(globalconf.focus->client->screen),
-                           globalconf.focus->client->win, False, True);
-        XSetWindowBorder(globalconf.display, globalconf.focus->client->win,
-                         globalconf.screens[screen].colors_normal[ColBorder].pixel);
-    }
-
-
     /* if c is NULL or invisible, take next client in the focus history */
     if(!c || (c && !client_isvisible(c, screen)))
     {
@@ -183,20 +182,18 @@ focus(Client *c, int screen)
             for(c = globalconf.clients; c && (c->skip || !client_isvisible(c, screen)); c = c->next);
     }
 
-    if(c)
-    {
-        XSetWindowBorder(globalconf.display, c->win, globalconf.screens[screen].colors_selected[ColBorder].pixel);
-        window_grabbuttons(phys_screen, c->win, True, True);
-    }
+    /* unfocus current selected client */
+    if(globalconf.focus->client)
+        client_unfocus(globalconf.focus->client);
 
     /* save sel in focus history */
     focus_add_client(c);
 
-    if(globalconf.focus->client)
+    if(c)
     {
-        widget_invalidate_cache(screen, WIDGET_CACHE_CLIENTS);
-        XSetInputFocus(globalconf.display,
-                       globalconf.focus->client->win, RevertToPointerRoot, CurrentTime);
+        XSetWindowBorder(globalconf.display, c->win,
+                         globalconf.screens[screen].colors_selected[ColBorder].pixel);
+        XSetInputFocus(globalconf.display, c->win, RevertToPointerRoot, CurrentTime);
         restack(screen);
     }
     else
@@ -204,7 +201,9 @@ focus(Client *c, int screen)
                        RootWindow(globalconf.display, phys_screen),
                        RevertToPointerRoot, CurrentTime);
 
+    widget_invalidate_cache(screen, WIDGET_CACHE_CLIENTS);
     ewmh_update_net_active_window(phys_screen);
+    globalconf.drop_events |= EnterWindowMask;
 }
 
 /** Manage a new client
@@ -300,7 +299,6 @@ client_manage(Window w, XWindowAttributes *wa, int screen)
     }
 
     XSelectInput(globalconf.display, w, StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
-    window_grabbuttons(phys_screen, c->win, False, True);
 
     /* handle xshape */
     if(globalconf.have_shape)

event.c

@@ -122,7 +122,7 @@ handle_event_buttonpress(XEvent *e)
            && ev->button == Button1)
         {
             XAllowEvents(globalconf.display, ReplayPointer, CurrentTime);
-            window_grabbuttons(get_phys_screen(c->screen), c->win, True, True);
+            window_grabbuttons(get_phys_screen(c->screen), c->win, True);
         }
         else
             handle_mouse_button_press(c->screen, ev->button, ev->state, globalconf.buttons.client, NULL);
@@ -233,29 +233,20 @@ handle_event_enternotify(XEvent * e)
     Client *c;
     XCrossingEvent *ev = &e->xcrossing;
     int screen;
-    Tag **curtags;
 
     if(ev->mode != NotifyNormal)
         return;
 
-    if((c = get_client_bywin(globalconf.clients, ev->window))
-       && globalconf.screens[c->screen].sloppy_focus
-       && c != globalconf.focus->client)
+    if((c = get_client_bywin(globalconf.clients, ev->window)))
     {
+        window_grabbuttons(get_phys_screen(c->screen), c->win, False);
+        if(globalconf.screens[c->screen].sloppy_focus)
             focus(c, c->screen);
-        curtags = get_current_tags(c->screen);
-        if (c->isfloating || curtags[0]->layout->arrange == layout_floating)
-            window_grabbuttons(get_phys_screen(c->screen), c->win, True, False);
-        p_delete(&curtags);
     }
     else
-    {
         for(screen = 0; screen < ScreenCount(e->xany.display); screen++)
             if(ev->window == RootWindow(e->xany.display, screen))
-                focus(NULL, screen);
-        if((c = globalconf.focus->client))
-            window_grabbuttons(c->screen, c->win, False, False);
-    }
+                window_root_grabbuttons(screen);
 }
 
 void

layout.c

@@ -57,9 +57,6 @@ arrange(int screen)
 {
     Client *c;
     Layout *curlay = get_current_layout(screen);
-    Window client_win, root_win;
-    int x, y, d;
-    unsigned int m;
 
     for(c = globalconf.clients; c; c = c->next)
     {
@@ -77,33 +74,28 @@ arrange(int screen)
         {
             c->newcomer = False;
             client_unban(c);
+            if(globalconf.screens[screen].new_get_focus)
+                focus(c, screen);
         }
 
     if(!globalconf.screens[screen].allow_lower_floats)
         layout_raise_floatings(screen);
 
-    c = focus_get_current_client(screen);
-    focus(c, screen);
-    if(c && XQueryPointer(globalconf.display, RootWindow(globalconf.display, get_phys_screen(screen)),
-                          &root_win, &client_win, &x, &y, &d, &d, &m) &&
-            (root_win == None || client_win == None || client_win == root_win))
-            window_grabbuttons(c->screen, c->win, False, False);
-
     /* reset status */
     globalconf.screens[screen].need_arrange = False;
 }
 
-Bool
+int
 layout_refresh(void)
 {
     int screen;
-    Bool arranged = False;
+    int arranged = 0;
 
     for(screen = 0; screen < globalconf.nscreen; screen++)
         if(globalconf.screens[screen].need_arrange)
         {
             arrange(screen);
-            arranged = True;
+            arranged++;
         }
 
     return arranged;

layout.h

@@ -40,7 +40,7 @@ struct Layout
 
 DO_SLIST(Layout, layout, p_delete);
 
-Bool layout_refresh(void);
+int layout_refresh(void);
 Layout * get_current_layout(int);
 void restack(int);
 void loadawesomeprops(int);

structs.h

@@ -328,6 +328,8 @@ 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

window.c

@@ -93,39 +93,41 @@ window_configure(Window win, Area geometry, int border)
  * \param raised True if the client is above other clients
  */
 void
-window_grabbuttons(int screen,
-                   Window win,
-                   Bool focused,
-                   Bool raised)
+window_grabbuttons(int screen, Window win, Bool raised)
 {
     Button *b;
 
-    XUngrabButton(globalconf.display, AnyButton, AnyModifier, win);
-
-    if(focused)
-    {
     if(!raised)
-            XGrabButton(globalconf.display, Button1, NoSymbol, win, False,
-                        BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
+    {
+        XGrabButton(globalconf.display, Button1, NoSymbol,
+                    win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
+        XGrabButton(globalconf.display, Button1, NoSymbol | LockMask,
+                    win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
+        XGrabButton(globalconf.display, Button1, NoSymbol | globalconf.numlockmask,
+                    win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
+        XGrabButton(globalconf.display, Button1, NoSymbol | globalconf.numlockmask | LockMask,
+                    win, False, BUTTONMASK, GrabModeSync, GrabModeAsync, None, None);
+    }
 
     for(b = globalconf.buttons.client; b; b = b->next)
     {
-            XGrabButton(globalconf.display, b->button, b->mod, win, False, BUTTONMASK,
-                        GrabModeAsync, GrabModeSync, None, None);
-            XGrabButton(globalconf.display, b->button, b->mod | LockMask, win, False,
-                        BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
-            XGrabButton(globalconf.display, b->button, b->mod | globalconf.numlockmask, win, False,
-                        BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+        XGrabButton(globalconf.display, b->button, b->mod,
+                    win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+        XGrabButton(globalconf.display, b->button, b->mod | LockMask,
+                    win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
+        XGrabButton(globalconf.display, b->button, b->mod | globalconf.numlockmask,
+                    win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
         XGrabButton(globalconf.display, b->button, b->mod | globalconf.numlockmask | LockMask,
                     win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
     }
     
     XUngrabButton(globalconf.display, AnyButton, AnyModifier, RootWindow(globalconf.display, screen));
 }
-    else
+
+void
+window_root_grabbuttons(int screen)
 {
-        XGrabButton(globalconf.display, AnyButton, AnyModifier, win, False, BUTTONMASK,
-                    GrabModeAsync, GrabModeSync, None, None);
+    Button *b;
 
     for(b = globalconf.buttons.root; b; b = b->next)
     {
@@ -143,7 +145,6 @@ window_grabbuttons(int screen,
                     GrabModeAsync, GrabModeSync, None, None);
     }
 }
-}
 
 void
 window_setshape(int screen, Window win)

window.h

@@ -27,7 +27,8 @@
 int window_setstate(Window, long);
 long window_getstate(Window);
 Status window_configure(Window, Area, int);
-void window_grabbuttons(int, Window, Bool, Bool);
+void window_grabbuttons(int, Window, Bool);
+void window_root_grabbuttons(int);
 void window_setshape(int, Window);
 int window_settrans(Window, double);
 SimpleWindow * simplewindow_new(int, int, int, unsigned int, unsigned int, unsigned int);