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QNX: Fix retrieving the window group name

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The code assumes that there is a root window, and crashed
otherwise.

Task-number: QTBUG-35121
Change-Id: Idbf0e0bfc03cd427f0aab81db88b34fe94228c81
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
This commit is contained in:
Frank Osterfeld 2013-11-22 10:43:49 +01:00 committed by The Qt Project
parent f03fd0d82a
commit 94c17dce04
1 changed files with 4 additions and 2 deletions
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6
src/plugins/platforms/qnx/qqnxnativeinterface.cpp
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@ -52,11 +52,13 @@ QT_BEGIN_NAMESPACE
void *QQnxNativeInterface::nativeResourceForWindow(const QByteArray &resource, QWindow *window)
{
if (resource == "windowGroup" && window && window->screen()) {
const QQnxScreen * const screen = static_cast<QQnxScreen *>(window->screen()->handle());
QQnxScreen * const screen = static_cast<QQnxScreen *>(window->screen()->handle());
if (screen) {
screen_window_t screenWindow = reinterpret_cast<screen_window_t>(window->winId());
QQnxWindow *qnxWindow = screen->findWindow(screenWindow);
// We can't just call data() instead of constData() here, since that would detach
// and the lifetime of the char * would not be long enough. Therefore the const_cast.
return const_cast<char *>(screen->rootWindow()->groupName().constData());
return qnxWindow ? const_cast<char *>(qnxWindow->groupName().constData()) : 0;
}
}