tor-browser

commit 25fe7c42713b9f44af75864e94362ad7463ed78b
parent c7f06c1d73d244215e40c80969c4f0c7af9acd11
Author: Emilio Cobos Álvarez <emilio@crisal.io>
Date:   Mon,  8 Dec 2025 15:00:50 +0000

Bug 2004018 - Allow the Windows App SDK to handle WM_WINDOWPOSCHANGED. r=gstoll,win-reviewers

Otherwise we might end up with a mispositioned child window that it uses
internally to handle non-client events.

Differential Revision: https://phabricator.services.mozilla.com/D275357

Diffstat:
M
widget/windows/nsWindow.cpp
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/widget/windows/nsWindow.cpp b/widget/windows/nsWindow.cpp
@@ -5704,7 +5704,8 @@ bool nsWindow::ProcessMessageInternal(UINT msg, WPARAM& wParam, LPARAM& lParam,
       WINDOWPOS* wp = (LPWINDOWPOS)lParam;
       OnWindowPosChanged(wp);
       TaskbarConcealer::OnWindowPosChanged(this);
-      result = true;
+      // We don't set result = true here so that the Windows app sdk
+      // can process this message if necessary.
     } break;
 
     case WM_INPUTLANGCHANGEREQUEST: