Periodic bouncing for XUrgencyHint

When a window has XUrgencyHint set, bounce the app icon periodically.

src/application.c

@@ -260,6 +260,7 @@ WApplication *wApplicationCreate(WWindow * wwin)
 
 	wapp->refcount = 1;
 	wapp->last_focused = NULL;
+	wapp->urgent_bounce_timer = NULL;
 
 	wapp->last_workspace = 0;
 
@@ -409,6 +410,10 @@ void wApplicationDestroy(WApplication * wapp)
 	if (wapp->refcount > 0)
 		return;
 
+	if (wapp->urgent_bounce_timer) {
+		WMDeleteTimerHandler(wapp->urgent_bounce_timer);
+		wapp->urgent_bounce_timer = NULL;
+	}
 	if (wapp->flags.bouncing) {
 		/* event.c:handleDestroyNotify forced this destroy
 		   and thereby overlooked the bounce callback */

src/application.h

@@ -42,6 +42,7 @@ typedef struct WApplication {
 
     int last_workspace;		       /* last workspace used to work on the
                                         * app */
+    WMHandlerID *urgent_bounce_timer;
     struct {
         unsigned int skip_next_animation:1;
         unsigned int hidden:1;
@@ -60,6 +61,7 @@ void wApplicationExtractDirPackIcon(WScreen *scr,char *path, char *wm_instance,
                                     char *wm_class);
 
 void wAppBounce(WApplication *);
+void wAppBounceWhileUrgent(WApplication *);
 
 #ifdef NEWAPPICON
 #define wApplicationActivate(wapp) do { \

src/client.c

@@ -486,8 +486,9 @@ void wClientCheckProperty(WWindow * wwin, XPropertyEvent * event)
 				wwin->flags.urgent = 1;
 			else
 				wwin->flags.urgent = 0;
-			/*} else if (wwin->fake_group!=NULL) {
+			wAppBounceWhileUrgent(wApplicationOf(wwin->main_window));
-			   wwin->group_id = wwin->fake_group->leader; */
+		/*} else if (wwin->fake_group!=NULL) {
+			wwin->group_id = wwin->fake_group->leader; */
 		} else {
 			wwin->group_id = None;
 		}

src/superfluous.c

@@ -258,6 +258,7 @@ void DoWindowBirth(WWindow *wwin)
 #define BOUNCE_HEIGHT	24
 #define BOUNCE_LENGTH	0.3
 #define BOUNCE_DAMP	0.6
+#define URGENT_BOUNCE_DELAY	3000
 
 typedef struct AppBouncerData {
 	WApplication *wapp;
@@ -400,3 +401,56 @@ void wAppBounce(WApplication *wapp)
 		data->timer = WMAddPersistentTimerHandler(BOUNCE_DELAY, doAppBounce, data);
 	}
 }
+
+static int appIsUrgent(WApplication *wapp)
+{
+	WScreen *scr;
+	WWindow *wlist;
+
+	if (!wapp->main_window_desc) {
+		wwarning("group leader not found for window group");
+		return 0;
+	}
+	scr = wapp->main_window_desc->screen_ptr;
+	wlist = scr->focused_window;
+	if (!wlist)
+		return 0;
+
+	while (wlist) {
+		if (wlist->main_window == wapp->main_window) {
+			if (wlist->flags.urgent)
+				return 1;
+		}
+		wlist = wlist->prev;
+	}
+
+	return 0;
+}
+
+static void doAppUrgentBounce(void *arg)
+{
+	WApplication *wapp = (WApplication *)arg;
+
+	if (appIsUrgent(wapp)) {
+		wAppBounce(wapp);
+	} else {
+		WMDeleteTimerHandler(wapp->urgent_bounce_timer);
+		wapp->urgent_bounce_timer = NULL;
+	}
+}
+
+void wAppBounceWhileUrgent(WApplication *wapp)
+{
+	if (!wapp) return;
+	if (appIsUrgent(wapp)) {
+		if (!wapp->urgent_bounce_timer) {
+			wapp->urgent_bounce_timer = WMAddPersistentTimerHandler(URGENT_BOUNCE_DELAY, doAppUrgentBounce, wapp);
+			doAppUrgentBounce(wapp);
+		}
+	} else {
+		if (wapp->urgent_bounce_timer) {
+			WMDeleteTimerHandler(wapp->urgent_bounce_timer);
+			wapp->urgent_bounce_timer = NULL;
+		}
+	}
+}

src/window.c

@@ -710,8 +710,10 @@ WWindow *wManageWindow(WScreen *scr, Window window)
 			wwin->group_id = None;
 		}
 
-		if (wwin->wm_hints->flags & UrgencyHint)
+		if (wwin->wm_hints->flags & UrgencyHint) {
 			wwin->flags.urgent = 1;
+			wAppBounceWhileUrgent(wApplicationOf(wwin->main_window));
+		}
 	} else {
 		wwin->group_id = None;
 	}