[statusbar] Separate widget cache inside widets and sbars

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

statusbar.c

@@ -113,6 +113,8 @@ statusbar_draw(statusbar_t *statusbar)
     int left = 0, right = 0;
     area_t rectangle = { 0, 0, 0, 0, NULL, NULL };
 
+    statusbar->need_update = false;
+
     if(!statusbar->position)
         return;
 
@@ -123,27 +125,18 @@ statusbar_draw(statusbar_t *statusbar)
 
     for(widget = statusbar->widgets; widget; widget = widget->next)
         if (widget->alignment == AlignLeft)
-        {
-            widget->cache.needs_update = false;
             left += widget->draw(widget, statusbar->ctx, left, (left + right));
-        }
 
     /* renders right widget from last to first */
     for(widget = *widget_list_last(&statusbar->widgets);
         widget;
         widget = widget_list_prev(&statusbar->widgets, widget))
         if (widget->alignment == AlignRight)
-        {
-            widget->cache.needs_update = false;
             right += widget->draw(widget, statusbar->ctx, right, (left + right));
-        }
 
     for(widget = statusbar->widgets; widget; widget = widget->next)
         if (widget->alignment == AlignFlex)
-        {
-            widget->cache.needs_update = false;
             left += widget->draw(widget, statusbar->ctx, left, (left + right));
-        }
 
     switch(statusbar->position)
     {
@@ -263,14 +256,12 @@ statusbar_refresh()
 {
     int screen;
     statusbar_t *statusbar;
-    widget_t *widget;
 
     for(screen = 0; screen < globalconf.screens_info->nscreen; screen++)
         for(statusbar = globalconf.screens[screen].statusbar;
             statusbar;
             statusbar = statusbar->next)
-            for(widget = statusbar->widgets; widget; widget = widget->next)
+            if(statusbar->need_update)
-                if(widget->cache.needs_update)
             {
                 statusbar_draw(statusbar);
                 break;

structs.h

@@ -136,12 +136,8 @@ struct widget_t
     area_t area;
     /** Buttons bindings */
     Button *buttons;
-    /** Cache */
+    /** Cache flags */
-    struct
+    int cache_flags;
-    {
-        bool needs_update;
-        int flags;
-    } cache;
     /** Next and previous widgets */
     widget_t *prev, *next;
 };
@@ -169,6 +165,8 @@ struct statusbar_t
     widget_t *widgets;
     /** Draw context */
     draw_context_t *ctx;
+    /** Need update */
+    bool need_update;
     /** Next and previous statusbars */
     statusbar_t *prev, *next;
 };

widget.c

@@ -166,8 +166,8 @@ widget_invalidate_cache(int screen, int flags)
         statusbar;
         statusbar = statusbar->next)
         for(widget = statusbar->widgets; widget; widget = widget->next)
-            if(widget->cache.flags & flags)
+            if(widget->cache_flags & flags)
-                widget->cache.needs_update = true;
+                statusbar->need_update = true;
 }
 
 /** Send commands to widgets.
@@ -243,7 +243,7 @@ uicb_widget_tell(int screen, char *arg)
              property, widget->name);
         break;
       case WIDGET_NOERROR:
-          widget->cache.needs_update = true;
+          widget->statusbar->need_update = true;
           break;
       case WIDGET_ERROR_CUSTOM:
         break;

widgets/focusicon.c

@@ -98,7 +98,7 @@ focusicon_new(statusbar_t *statusbar, cfg_t *config)
     w->alignment = cfg_getalignment(config, "align");
 
     /* Set cache property */
-    w->cache.flags = WIDGET_CACHE_CLIENTS;
+    w->cache_flags = WIDGET_CACHE_CLIENTS;
 
     return w;
 }

widgets/layoutinfo.c

@@ -67,7 +67,7 @@ layoutinfo_new(statusbar_t *statusbar, cfg_t* config)
     w->alignment = cfg_getalignment(config, "align");
 
     /* Set cache property */
-    w->cache.flags = WIDGET_CACHE_LAYOUTS;
+    w->cache_flags = WIDGET_CACHE_LAYOUTS;
 
     return w;
 }

widgets/taglist.c

@@ -248,7 +248,7 @@ taglist_new(statusbar_t *statusbar, cfg_t *config)
     d->text_urgent = a_strdup(cfg_getstr(config, "text_urgent"));
 
     /* Set cache property */
-    w->cache.flags = WIDGET_CACHE_TAGS | WIDGET_CACHE_CLIENTS;
+    w->cache_flags = WIDGET_CACHE_TAGS | WIDGET_CACHE_CLIENTS;
 
     return w;
 }

widgets/tasklist.c

@@ -280,7 +280,7 @@ tasklist_new(statusbar_t *statusbar, cfg_t *config)
         d->show = ShowFocus;
 
     /* Set cache property */
-    w->cache.flags = WIDGET_CACHE_CLIENTS;
+    w->cache_flags = WIDGET_CACHE_CLIENTS;
 
     return w;
 }