titlebar: use need_update system (like statusbar, …)

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

awesome.c

@@ -169,12 +169,14 @@ a_xcb_check_cb(EV_P_ ev_check *w, int revents)
 
         layout_refresh();
         statusbar_refresh();
+        titlebar_refresh();
 
         /* need to resync */
         xcb_aux_sync(globalconf.connection);
     }
     layout_refresh();
     statusbar_refresh();
+    titlebar_refresh();
     xcb_aux_sync(globalconf.connection);
 }
 
@@ -465,6 +467,7 @@ main(int argc, char **argv)
     /* refresh everything before waiting events */
     layout_refresh();
     statusbar_refresh();
+    titlebar_refresh();
 
     /* main event loop */
     ev_loop(globalconf.loop, 0);

mouse.c

@@ -686,6 +686,8 @@ mouse_client_resize_floating(client_t *c, corner_t corner, bool infobox)
 
         /* resize the client */
         client_resize(c, geo, false);
+        /* redaw titlebar live */
+        titlebar_draw(c);
 
         /* draw the infobox */
         if(sw)

structs.h

@@ -182,6 +182,8 @@ struct titlebar_t
         xcolor_t color;
         int width;
     } border;
+    /** Need update */
+    bool need_update;
 };
 
 /** Delete a titlebar structure.

titlebar.c

@@ -138,6 +138,20 @@ titlebar_draw(client_t *c)
     simplewindow_refresh_pixmap(c->titlebar->sw);
 
     draw_context_delete(&ctx);
+
+    c->titlebar->need_update = false;
+}
+
+/** Titlebar refresh function.
+ */
+void
+titlebar_refresh(void)
+{
+    client_t *c;
+
+    for(c = globalconf.clients; c; c = c->next)
+        if(c->titlebar && c->titlebar->need_update)
+            titlebar_draw(c);
 }
 
 void
@@ -280,7 +294,7 @@ titlebar_init(client_t *c)
     if(client_isvisible(c, c->screen))
         globalconf.screens[c->screen].need_arrange = true;
 
-    titlebar_draw(c);
+    c->titlebar->need_update = true;
 }
 
 /** Create a new titlebar.
@@ -365,7 +379,7 @@ luaA_titlebar_widget_add(lua_State *L)
     widget_node_list_append(&(*tb)->widgets, w);
     widget_ref(widget);
 
-    titlebar_draw(client_getbytitlebar(*tb));
+    (*tb)->need_update = true;
 
     return 0;
 }
@@ -394,7 +408,7 @@ luaA_titlebar_widget_remove(lua_State *L)
             widget_unref(widget);
             widget_node_list_detach(&(*tb)->widgets, w);
             p_delete(&w);
-            titlebar_draw(client_getbytitlebar(*tb));
+            (*tb)->need_update = true;
         }
     }
 
@@ -488,13 +502,13 @@ luaA_titlebar_newindex(lua_State *L)
         if((buf = luaL_checklstring(L, 3, &len)))
             if(xcolor_init(&(*titlebar)->colors.fg, globalconf.connection,
                           globalconf.default_screen, buf, len))
-                titlebar_draw(client_getbytitlebar(*titlebar));
+                (*titlebar)->need_update = true;
         return 0;
       case A_TK_BG:
         if((buf = luaL_checklstring(L, 3, &len)))
             if(xcolor_init(&(*titlebar)->colors.bg, globalconf.connection,
                            globalconf.default_screen, buf, len))
-                titlebar_draw(client_getbytitlebar(*titlebar));
+                (*titlebar)->need_update = true;
         return 0;
       default:
         return 0;

titlebar.h

@@ -29,6 +29,7 @@ client_t * client_getbytitlebarwin(xcb_window_t);
 void titlebar_geometry_compute(client_t *, area_t, area_t *);
 void titlebar_draw(client_t *);
 void titlebar_init(client_t *);
+void titlebar_refresh(void);
 
 int luaA_titlebar_userdata_new(lua_State *, titlebar_t *);
 
@@ -111,7 +112,7 @@ titlebar_update_geometry_floating(client_t *c)
 
     titlebar_geometry_compute(c, c->geometry, &geom);
     simplewindow_moveresize(c->titlebar->sw, geom.x, geom.y, geom.width, geom.height);
-    titlebar_draw(c);
+    c->titlebar->need_update = true;
 }
 
 /** Update the titlebar geometry for a tiled client.
@@ -128,7 +129,7 @@ titlebar_update_geometry_tiled(client_t *c, area_t geometry)
 
     titlebar_geometry_compute(c, geometry, &geom);
     simplewindow_moveresize(c->titlebar->sw, geom.x, geom.y, geom.width, geom.height);
-    titlebar_draw(c);
+    c->titlebar->need_update = true;
 }
 
 #endif

widget.c

@@ -245,7 +245,7 @@ widget_invalidate_bywidget(widget_t *widget)
         if(c->titlebar)
             for(witer = c->titlebar->widgets; witer; witer = witer->next)
                 if(witer->widget == widget)
-                    titlebar_draw(c);
+                    c->titlebar->need_update = true;
 }
 
 /** Create a new widget.