X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Futil%2Farea.h;h=da437aa7118c6cea0da3e7c6aa9d47c4e2f303bf;hb=2fe8ce00afa75977d3fd394481b19deaf3d102a5;hp=af7e4e728e6569573aecb5fea0955928999c08ac;hpb=90a65490dff94bf80d13accae4f61b0431960dba;p=chaz%2Ftint2

diff --git a/src/util/area.h b/src/util/area.h
index af7e4e7..da437aa 100644
--- a/src/util/area.h
+++ b/src/util/area.h
@@ -63,7 +63,8 @@ typedef struct {
 	// list of child : Area object
 	GSList *list;
 
-	// object visible on screen
+	// object visible on screen. 
+	// An object (like systray) could be enabled but hidden (because no tray icon).
 	int on_screen;
 	// way to calculate the size (SIZE_BY_CONTENT or SIZE_BY_LAYOUT)
 	int size_mode;
@@ -81,22 +82,34 @@ typedef struct {
 
 	// each object can overwrite following function
 	void (*_draw_foreground)(void *obj, cairo_t *c);
-	void (*_resize)(void *obj);
-	void (*_add_child)(void *obj);
-	int (*_remove_child)(void *obj);
+	// update area's content and update size (width/heith). 
+	// return '1' if size changed, '0' otherwise.
+	int (*_resize)(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;
 
+// on startup, initialize fixed pos/size
+void init_rendering(void *obj, int pos);
 
-
+void rendering(void *obj);
 void size_by_content (Area *a);
-void size_by_layout (Area *a);
+void size_by_layout (Area *a, int pos, int level);
 // draw background and foreground
 void refresh (Area *a);
  
+// generic resize for SIZE_BY_LAYOUT objects
+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);