diff options
Diffstat (limited to 'src/gui/kernel')
| -rw-r--r-- | src/gui/kernel/qwindow.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp index 5b6ee0e9cb..85f12dd023 100644 --- a/src/gui/kernel/qwindow.cpp +++ b/src/gui/kernel/qwindow.cpp @@ -220,7 +220,11 @@ WId QWindow::winId() const Q_D(const QWindow); if(!d->platformWindow) const_cast<QWindow *>(this)->create(); - return d->platformWindow->winId(); + + WId id = d->platformWindow->winId(); + // See the QPlatformWindow::winId() documentation + Q_ASSERT(id != WId(0)); + return id; } QWindow *QWindow::parent() const |