X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Futil%2Farea.h;h=37e1dc42132f00db8df59e97f54f5d79ae4003df;hb=c75069e03de761de15a6d74a4df0d7dbe6672b6e;hp=47c265ab9bd26eb1f57a4e262b7b0d6d34a3a79a;hpb=21dcd195642692401f855ef07b239364b5ef0c1b;p=chaz%2Ftint2

diff --git a/src/util/area.h b/src/util/area.h
index 47c265a..37e1dc4 100644
--- a/src/util/area.h
+++ b/src/util/area.h
@@ -5,7 +5,7 @@
 * Area is at the begining of each object (&object == &area).
 *
 * Area manage the background and border drawing, size and padding.
-* Each Area have 2 Pixmap (pix and pix_active).
+* Each Area has one Pixmap (pix).
 *
 * Area manage the tree of all objects. Parent object drawn before child object.
 *   panel -> taskbars -> tasks
@@ -40,32 +40,38 @@ typedef struct
 	double alpha;
 } Color;
 
-
 typedef struct
 {
-	Pixmap pmap;
 	Color back;
 	Border border;
-} Pmap;
+} Background;
+
 
+// way to calculate the size
+// SIZE_BY_LAYOUT objects : taskbar and task
+// SIZE_BY_CONTENT objects : clock, battery, launcher, systray
+enum { SIZE_BY_LAYOUT, SIZE_BY_CONTENT };
 
 typedef struct {
 	// coordinate relative to panel window
 	int posx, posy;
 	// width and height including border
 	int width, height;
-	Pmap pix;
-	Pmap pix_active;
+	Pixmap pix;
+	Background *bg;
 
 	// list of child : Area object
 	GSList *list;
 
+	// object visible on screen. 
+	// An object (like systray) could be enabled but hidden (because no tray icon).
 	int on_screen;
-	// need compute position and width
+	// way to calculate the size (SIZE_BY_CONTENT or SIZE_BY_LAYOUT)
+	int size_mode;
+	// need to calculate position and width
 	int resize;
 	// need redraw Pixmap
 	int redraw;
-	int use_active, is_active;
 	// paddingxlr = horizontal padding left/right
 	// paddingx = horizontal padding between childs
 	int paddingxlr, paddingx, paddingy;
@@ -75,26 +81,38 @@ typedef struct {
 	void *panel;
 
 	// each object can overwrite following function
-	void (*_draw_foreground)(void *obj, cairo_t *c, int active);
-	void (*_resize)(void *obj);
-	void (*_add_child)(void *obj);
-	int (*_remove_child)(void *obj);
+	void (*_draw_foreground)(void *obj, cairo_t *c);
+	// 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, int pos, int level);
 // draw background and foreground
 void refresh (Area *a);
-
-void size (Area *a);
+ 
+// generic resize for SIZE_BY_LAYOUT objects
+int resize_by_layout(void *obj);
 
 // set 'redraw' on an area and childs
 void set_redraw (Area *a);
 
-// draw pixmap and pixmap_active
-void draw (Area *a, int active);
-void draw_background (Area *a, cairo_t *c, int active);
+// 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);
 
 void remove_area (Area *a);
 void add_area (Area *a);