X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Ftaskbar%2Ftask.c;h=994ff3f3893c7dce39965513e5900af05098eae8;hb=827f5d6fc955e7071351716d7d0d41b66ed65a76;hp=e03f69c60943e40aad3511812cbce8c332840701;hpb=857a47544272e432112157dc55694faf079b8c77;p=chaz%2Ftint2

diff --git a/src/taskbar/task.c b/src/taskbar/task.c
index e03f69c..994ff3f 100644
--- a/src/taskbar/task.c
+++ b/src/taskbar/task.c
@@ -405,22 +405,52 @@ void on_change_task (void *obj)
 	set_task_redraw(tsk);
 }
 
+// Given a pointer to the active task (active_task) and a pointer
+// to the task that is currently under the mouse (current_task),
+// return a pointer to the active task that is on the same desktop
+// as current_task. Normally this is simply active_task, except when
+// it is set to appear on all desktops. In that case we search for
+// another Task on current_task's taskbar, with the same window as
+// active_task.
+Task *find_active_task(Task *current_task, Task *active_task)
+{
+	if (active_task == 0)
+		return current_task;
+	if (active_task->desktop != ALLDESKTOP)
+		return active_task;
+	if (current_task == 0)
+		return active_task;
+
+	GSList *l0;
+	Task *tsk;
+	Taskbar* tskbar = current_task->area.parent;
+
+	l0 = tskbar->area.list;
+	if (taskbarname_enabled) l0 = l0->next;
+	for (; l0 ; l0 = l0->next) {
+		tsk = l0->data;
+		if (tsk->win == active_task->win)
+			return tsk;
+	}
+	return active_task;
+}
 
 Task *next_task(Task *tsk)
 {
 	if (tsk == 0)
 		return 0;
 
-	GSList *l0;
+	GSList *l0, *lfirst_tsk;
 	Task *tsk1;
 	Taskbar* tskbar = tsk->area.parent;
 
 	l0 = tskbar->area.list;
 	if (taskbarname_enabled) l0 = l0->next;
+	lfirst_tsk = l0;
 	for (; l0 ; l0 = l0->next) {
 		tsk1 = l0->data;
 		if (tsk1 == tsk) {
-			if (l0->next == 0) l0 = tskbar->area.list;
+			if (l0->next == 0) l0 = lfirst_tsk;
 			else l0 = l0->next;
 			return l0->data;
 		}
@@ -434,17 +464,18 @@ Task *prev_task(Task *tsk)
 	if (tsk == 0)
 		return 0;
 
-	GSList *l0;
+	GSList *l0, *lfirst_tsk;
 	Task *tsk1, *tsk2;
 	Taskbar* tskbar = tsk->area.parent;
 
 	tsk2 = 0;
 	l0 = tskbar->area.list;
 	if (taskbarname_enabled) l0 = l0->next;
+	lfirst_tsk = l0;
 	for (; l0 ; l0 = l0->next) {
 		tsk1 = l0->data;
 		if (tsk1 == tsk) {
-			if (l0 == tskbar->area.list) {
+			if (l0 == lfirst_tsk) {
 				l0 = g_slist_last ( l0 );
 				tsk2 = l0->data;
 			}