diff options
| author | Oliver Wolff <oliver.wolff@qt.io> | 2021-09-30 11:04:48 +0200 |
|---|---|---|
| committer | Qt Cherry-pick Bot <cherrypick_bot@qt-project.org> | 2021-09-30 13:06:31 +0000 |
| commit | bf4cf5a235ab6cdd454bb3b5169d12af5fb3725d (patch) | |
| tree | f9a4acc384e2713e867a0536ba16a1a92b48c0cc | |
| parent | 245a817941cf4733690ca618a8e806c106dd9c66 (diff) | |
windows qpa: Handle invisible child windows gracefully on dpi changes
Fixes: QTBUG-96466
Change-Id: I58d90e85b4bb837df2dc5fd89abe984dadcd468d
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
(cherry picked from commit 8d6e825ddfa14f75959ae20a76e4e1a34f4faec2)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
| -rw-r--r-- | src/plugins/platforms/windows/qwindowscontext.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp index 433e58a97a..bbdf1ad692 100644 --- a/src/plugins/platforms/windows/qwindowscontext.cpp +++ b/src/plugins/platforms/windows/qwindowscontext.cpp @@ -1474,6 +1474,8 @@ bool QWindowsContext::windowsProc(HWND hwnd, UINT message, // Scale child QPlatformWindow size. Windows sends WM_DPICHANGE to top-level windows only. for (QWindow *childWindow : platformWindow->window()->findChildren<QWindow *>()) { QWindowsWindow *platformChildWindow = static_cast<QWindowsWindow *>(childWindow->handle()); + if (!platformChildWindow) + continue; QRect currentGeometry = platformChildWindow->geometry(); QRect scaledGeometry = QRect(currentGeometry.topLeft() * scale, currentGeometry.size() * scale); platformChildWindow->setGeometry(scaledGeometry); |