X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Futil%2Farea.h;h=da437aa7118c6cea0da3e7c6aa9d47c4e2f303bf;hb=694d127008b23ab2296d305a218d491c931ff26e;hp=a5d1434e856e818f14aa81aa1fea20216a810074;hpb=bbec33ce1a15b555a737f2fefe7bdfb6a8881705;p=chaz%2Ftint2

diff --git a/src/util/area.h b/src/util/area.h
index a5d1434..da437aa 100644
--- a/src/util/area.h
+++ b/src/util/area.h
@@ -82,10 +82,12 @@ typedef struct {
 
 	// each object can overwrite following function
 	void (*_draw_foreground)(void *obj, cairo_t *c);
-	// calculate size. return '1' if size changed, '0' otherwise.
+	// update area's content and update size (width/heith). 
+	// return '1' if size changed, '0' otherwise.
 	int (*_resize)(void *obj);
-	void (*_add_child)(void *obj);
-	int (*_remove_child)(void *obj);
+	// after pos/size changed, the rendering engine will call _on_change_layout(Area*)
+	int on_changed;
+	void (*_on_change_layout)(void *obj);
 	const char* (*_get_tooltip_text)(void *obj);
 } Area;
 
@@ -99,11 +101,15 @@ void size_by_layout (Area *a, int pos, int level);
 void refresh (Area *a);
  
 // generic resize for SIZE_BY_LAYOUT objects
-int resize_by_layout(void *obj);
+int resize_by_layout(void *obj, int maximum_size);
 
 // 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);