app_server: actually invalidate decorator area on window close

More completely fixes #12085 Change-Id: I73bf987f06422bebbfc739d3700c11edad928646 Reviewed-on: https://review.haiku-os.org/c/haiku/+/2621 Reviewed-by: waddlesplash <[email protected]> (cherry picked from commit a16c358d59b43b1e274b323105d24ce4e9f97292) Reviewed-on: https://review.haiku-os.org/c/haiku/+/2634
2020-05-09 19:31:08 +00:00
parent 22337d8f4b
commit 693e2f4fb4
1 changed files with 4 additions and 2 deletions
@@ -2098,9 +2098,10 @@ Window::DetachFromWindowStack(bool ownStackNeeded)
 	if (fCurrentStack->RemoveWindow(this) == false)
 		return false;

+	BRegion invalidatedRegion;
 	::Decorator* decorator = fCurrentStack->Decorator();
 	if (decorator != NULL) {
-		decorator->RemoveTab(index);
+		decorator->RemoveTab(index, &invalidatedRegion);
 		decorator->SetTopTab(fCurrentStack->LayerOrder().CountItems() - 1);
 	}

@@ -2120,8 +2121,9 @@ Window::DetachFromWindowStack(bool ownStackNeeded)
 	SetFocus(IsFocus());

 	if (remainingTop != NULL) {
+		invalidatedRegion.Include(&remainingTop->VisibleRegion());
 		fDesktop->RebuildAndRedrawAfterWindowChange(remainingTop,
-			remainingTop->VisibleRegion());
+			invalidatedRegion);
 	}
 	return true;
 }