event: fix configurerequest

- We have to be careful with geometry around protocol code.

Signed-off-by: Julien Danjou <julien@danjou.info>

client.c

@@ -659,8 +659,9 @@ client_geometry_hints(client_t *c, area_t geometry)
  * \param c Client to resize.
  * \param geometry New window geometry.
  * \param hints Use size hints.
+ * \return true if an actual resize occurred.
  */
-void
+bool
 client_resize(client_t *c, area_t geometry, bool hints)
 {
     int new_screen;
@@ -687,7 +688,7 @@ client_resize(client_t *c, area_t geometry, bool hints)
         geometry_internal = client_geometry_hints(c, geometry_internal);
 
     if(geometry_internal.width == 0 || geometry_internal.height == 0)
-        return;
+        return false;
 
     /* Also let client hints propegate to the "official" geometry. */
     geometry = titlebar_geometry_add(c->titlebar, c->border, geometry_internal);
@@ -732,7 +733,11 @@ client_resize(client_t *c, area_t geometry, bool hints)
 
         /* execute hook */
         hooks_property(c, "geometry");
+
+        return true;
     }
+
+    return false;
 }
 
 /** Set a client minimized, or not.

client.h

@@ -52,7 +52,7 @@ void client_ban(client_t *);
 void client_unban(client_t *);
 void client_manage(xcb_window_t, xcb_get_geometry_reply_t *, int, bool);
 area_t client_geometry_hints(client_t *, area_t);
-void client_resize(client_t *, area_t, bool);
+bool client_resize(client_t *, area_t, bool);
 void client_unmanage(client_t *);
 void client_saveprops_tags(client_t *);
 void client_kill(client_t *);

event.c

@@ -297,37 +297,29 @@ event_handle_configurerequest(void *data __attribute__ ((unused)),
             /* We do have to ensure the windows don't end up in the visible screen. */
             geometry.x = - (geometry.width + 2*c->border);
             geometry.y = - (geometry.height + 2*c->border);
+            window_configure(c->win, geometry, c->border);
+            event_handle_configurerequest_configure_window(ev);
         }
         else
         {
             /** Configure request are sent with size relative to real (internal)
              * window size, i.e. without titlebars and borders. */
             geometry = titlebar_geometry_add(c->titlebar, c->border, geometry);
-        }
 
-        if(geometry.x != c->geometry.x
-           || geometry.y != c->geometry.y
-           || geometry.width != c->geometry.width
-           || geometry.height != c->geometry.height)
-        {
-            if(c->isbanned)
+            if(client_resize(c, geometry, false))
             {
-                window_configure(c->win, geometry, c->border);
-                event_handle_configurerequest_configure_window(ev);
-            }
-            else
-            {
-                client_resize(c, geometry, false);
                 /* All the wiboxes (may) need to be repositioned. */
                 if(client_hasstrut(c))
                     wibox_update_positions();
                 client_need_arrange(c);
-
-                return 0;
+            }
+            else
+            {
+                /* Resize wasn't officially needed, but we don't want to break expectations. */
+                geometry = titlebar_geometry_remove(c->titlebar, c->border, c->geometry);
+                window_configure(c->win, geometry, c->border);
             }
         }
-        else
-            window_configure(c->win, geometry, c->border);
     }
     else
         event_handle_configurerequest_configure_window(ev);