Started work on spacer item

src/panel.c

@@ -505,6 +505,16 @@ void set_panel_items_order(Panel *p)
 		}
 		if (panel_items_order[k] == 'C')
 			p->area.list = g_slist_append(p->area.list, &p->clock);
+		if (panel_items_order[k] == 'F') {
+			Area *spacer = calloc(sizeof(Area), 1);
+			spacer->panel = p;
+			spacer->parent = p;
+			spacer->bg = &g_array_index(backgrounds, Background, 0);
+			spacer->on_screen = 1;
+			spacer->size_mode = SIZE_BY_LAYOUT;
+			spacer->gc = 1;
+			p->area.list = g_slist_append(p->area.list, spacer);
+		}
 	}
 	init_rendering(&p->area, 0);
 }

src/taskbar/task.c

@@ -50,9 +50,6 @@ Task *add_task (Window win)
 	if (!win) return 0;
 	if (window_is_hidden(win)) return 0;
 
-	XSelectInput(server.dsp, win, PropertyChangeMask|StructureNotifyMask);
-	XFlush(server.dsp);
-
 	int monitor;
 	if (nb_panel > 1) {
 		monitor = window_get_monitor (win);
@@ -78,7 +75,8 @@ Task *add_task (Window win)
 	get_title(&new_tsk);
 	get_icon(&new_tsk);
 
-	//printf("new task %s win %u: desktop %d, monitor %d\n", new_tsk.title, win, new_tsk.desktop, monitor);
+	//printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
+	XSelectInput (server.dsp, new_tsk.win, PropertyChangeMask|StructureNotifyMask);
 
 	GPtrArray* task_group = g_ptr_array_new();
 	Taskbar *tskbar;

src/tint.c

@@ -727,7 +727,6 @@ void event_property_notify (XEvent *e)
 	}
 	else {
 		tsk = task_get_task (win);
-		//printf("change win = %u, task = %p\n", win, tsk);
 		if (!tsk) {
 			if (at != server.atom._NET_WM_STATE)
 				return;

src/util/area.c

@@ -277,6 +277,7 @@ int resize_by_layout(void *obj, int maximum_size)
 	}
 	else {
 		// detect free size for SIZE_BY_LAYOUT's Area
+		// TODO the spacer should collapse when the other areas are overflowing
 		size = a->height - (2 * (a->paddingxlr + a->bg->border.width));
 		GSList *l;
 		for (l = a->list ; l ; l = l->next) {
@@ -471,6 +472,8 @@ void free_area (Area *a)
 		XFreePixmap (server.dsp, a->pix);
 		a->pix = 0;
 	}
+	if (a->gc)
+		free(a);
 }
 
 

src/util/area.h

@@ -72,6 +72,7 @@ typedef struct {
 	int resize;
 	// need redraw Pixmap
 	int redraw;
+	int gc;
 	// paddingxlr = horizontal padding left/right
 	// paddingx = horizontal padding between childs
 	int paddingxlr, paddingx, paddingy;