diff options
Diffstat (limited to 'src/widgets/kernel/qapplication_qpa.cpp')
| -rw-r--r-- | src/widgets/kernel/qapplication_qpa.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/widgets/kernel/qapplication_qpa.cpp b/src/widgets/kernel/qapplication_qpa.cpp index dcda20138d..1b37ddf2e0 100644 --- a/src/widgets/kernel/qapplication_qpa.cpp +++ b/src/widgets/kernel/qapplication_qpa.cpp @@ -434,6 +434,18 @@ void qt_init(QApplicationPrivate *, int type) #endif } +#ifdef Q_OS_WIN +static HDC displayDC = 0; // display device context + +Q_WIDGETS_EXPORT HDC qt_win_display_dc() // get display DC +{ + Q_ASSERT(qApp && qApp->thread() == QThread::currentThread()); + if (!displayDC) + displayDC = GetDC(0); + return displayDC; +} +#endif + void qt_cleanup() { QPixmapCache::clear(); @@ -442,9 +454,14 @@ void qt_cleanup() QApplicationPrivate::inputContext = 0; QApplicationPrivate::active_window = 0; //### this should not be necessary +#ifdef Q_OS_WIN + if (displayDC) { + ReleaseDC(0, displayDC); + displayDC = 0; + } +#endif } - #ifdef QT3_SUPPORT void QApplication::setMainWidget(QWidget *mainWidget) { |