Client/Mouse: Add client_swap (new trial)

src/client.c

@@ -664,6 +664,38 @@ client_size_hints(Client *c)
      return;
 }
 
+/** Swap two clients
+ *\param 1 c1 First client
+ *\param 2 c2 Second client
+*/
+void
+client_swap(Client *c1, Client *c2)
+{
+     /* Swap juste the window */
+     swap_ptr((void**)&c1->win, (void**)&c2->win);
+     swap_ptr((void**)&c1->title, (void**)&c2->title);
+
+     /* Re-adapt the window position with its new frame */
+     XReparentWindow(dpy, c1->win, c1->frame, BORDH, TBARH);
+     XReparentWindow(dpy, c2->win, c2->frame, BORDH, TBARH);
+
+     /* Resize the window */
+     XResizeWindow(dpy, c1->win, c2->geo.width, c2->geo.height);
+     XResizeWindow(dpy, c2->win, c1->geo.width, c1->geo.height);
+
+     /* Re-get the client size hints */
+     client_size_hints(c1);
+     client_size_hints(c2);
+
+
+     /* Arrange */
+     arrange(c1->screen);
+     if(c1->screen != c2->screen)
+          arrange(c2->screen);
+
+     return;
+}
+
 /** Set the wanted tag of a client
  *\param c Client pointer
 */

src/mouse.c

@@ -57,7 +57,7 @@ mouse_move(Client *c)
      uint duint;
      Window dw, sw;
      Client *sclient;
-     XRectangle geo = c->geo, ogeo;
+     XRectangle geo = c->geo;
      XGCValues xgc;
      GC gci;
      XEvent ev;
@@ -101,9 +101,11 @@ mouse_move(Client *c)
                        || (sclient = client_gb_frame(sw))
                        || (sclient = client_gb_titlebar(sw)))
                     {
-                         ogeo = c->geo;
-                         client_moveresize(c, sclient->geo, False);
-                         client_moveresize(sclient, ogeo, False);
+                         if(c != sclient)
+                         {
+                              client_swap(c, sclient);
+                              break;
+                         }
                     }
 
                     /* To move a client from one tag to another */

src/util.c

@@ -236,6 +236,21 @@ spawn(const char *format, ...)
      return;
 }
 
+/** Swap two pointer.
+ *\param x First pointer
+ *\param y Second pointer
+*/
+void
+swap_ptr(void **x, void **y)
+{
+     void *t = *x;
+
+     *x = *y;
+     *y = t;
+
+     return;
+}
+
 /** Execute a sh command
  * \param cmd Command (uicb_t type)
 */

src/wmfs.h

@@ -145,6 +145,7 @@ Client* client_manage(Window w, XWindowAttributes *wa, Bool ar);
 void client_moveresize(Client *c, XRectangle geo, Bool r);
 void client_maximize(Client *c);
 void client_size_hints(Client *c);
+void client_swap(Client *c1, Client *c2);
 void client_raise(Client *c);
 void client_unhide(Client *c);
 void client_unmanage(Client *c);
@@ -238,6 +239,7 @@ char* alias_to_str(char *conf_choice);
 /* }}} */
 XRectangle get_mouse_pos(void);
 void spawn(const char *str, ...);
+void swap_ptr(void **x, void **y);
 void uicb_spawn(uicb_t);
 
 /* tag.c */