panel_items : fixed hide/unhide of baterry and systray

git-svn-id: http://tint2.googlecode.com/svn/trunk@560 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/util/area.c

@@ -123,8 +123,8 @@ void size_by_content (Area *a)
 			if (a->_resize(a)) {
 				// 'size' changed => 'resize = 1' on the parent and redraw object
 				((Area*)a->parent)->resize = 1;
-				a->redraw = 1;
 			}
+			a->redraw = 1;
 		}
 	}
 }
@@ -317,6 +317,26 @@ void set_redraw (Area *a)
 		set_redraw(l->data);
 }
 
+void hide(Area *a)
+{
+	Area *parent = (Area*)a->parent;
+
+	a->on_screen = 0;
+	parent->resize = 1;
+	if (panel_horizontal)
+		a->width = 0;
+	else
+		a->height = 0;
+}
+
+void show(Area *a)
+{
+	Area *parent = (Area*)a->parent;
+
+	a->on_screen = 1;
+	parent->resize = 1;
+	a->resize = 1;
+}
 
 void draw (Area *a)
 {

src/util/area.h

@@ -104,6 +104,10 @@ int resize_by_layout(void *obj);
 // set 'redraw' on an area and childs
 void set_redraw (Area *a);
 
+// hide/unhide area
+void hide(Area *a);
+void show(Area *a);
+
 // draw pixmap
 void draw (Area *a);
 void draw_background (Area *a, cairo_t *c);