tor-browser

commit 0df0bf13337f9a21e29b0366fdb9fd925dd88eec
parent d90faf32c738e4c57b8c7a1e58d9c3d3329bcb14
Author: Greg Stoll <gstoll@mozilla.com>
Date:   Wed, 22 Oct 2025 21:45:52 +0000

Bug 1995838 - don't use Windows App SDK on PiP windows r=win-reviewers,handyman

This was making the fullscreened picture-in-picture windows go under the
Windows taskbar.

Differential Revision: https://phabricator.services.mozilla.com/D269673

Diffstat:
M
widget/windows/nsWindow.cpp
 | 
6
+++++-

1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/widget/windows/nsWindow.cpp b/widget/windows/nsWindow.cpp
@@ -2838,7 +2838,11 @@ void nsWindow::SetCustomTitlebar(bool aCustomTitlebar) {
     mCustomNonClientMetrics = {};
     ResetLayout();
   }
-  WindowsUIUtils::SetIsTitlebarCollapsed(mWnd, mCustomNonClient);
+  // Not needed for PiP windows, and using the Windows App SDK on
+  // these windows causes them to go under the taskbar (bug 1995838)
+  if (!mPIPWindow) {
+    WindowsUIUtils::SetIsTitlebarCollapsed(mWnd, mCustomNonClient);
+  }
 }
 
 void nsWindow::SetResizeMargin(mozilla::LayoutDeviceIntCoord aResizeMargin) {