diff options
| -rw-r--r-- | src/widgets/kernel/qwidget.cpp | 17 | ||||
| -rw-r--r-- | tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp | 54 |
2 files changed, 71 insertions, 0 deletions
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp index 5a0ea58cf8..dcc694efe4 100644 --- a/src/widgets/kernel/qwidget.cpp +++ b/src/widgets/kernel/qwidget.cpp @@ -8624,6 +8624,23 @@ bool QWidget::event(QEvent *event) } } switch (event->type()) { + case QEvent::PlatformSurface: { + // Sync up QWidget's view of whether or not the widget has been created + switch (static_cast<QPlatformSurfaceEvent*>(event)->surfaceEventType()) { + case QPlatformSurfaceEvent::SurfaceCreated: + if (!testAttribute(Qt::WA_WState_Created)) + create(); + break; + case QPlatformSurfaceEvent::SurfaceAboutToBeDestroyed: + if (testAttribute(Qt::WA_WState_Created)) { + // Child windows have already been destroyed by QWindow, + // so we skip them here. + destroy(false, false); + } + break; + } + break; + } case QEvent::MouseMove: mouseMoveEvent((QMouseEvent*)event); break; diff --git a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp index 67fdd13652..371738ad27 100644 --- a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp +++ b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp @@ -60,6 +60,7 @@ #include <QtGui/qpaintengine.h> #include <QtGui/qbackingstore.h> #include <QtGui/qguiapplication.h> +#include <QtGui/qpa/qplatformwindow.h> #include <QtGui/qscreen.h> #include <qmenubar.h> #include <qcompleter.h> @@ -227,6 +228,7 @@ private slots: void setFixedSize(); void ensureCreated(); + void createAndDestroy(); void winIdChangeEvent(); void persistentWinId(); void showNativeChild(); @@ -4220,6 +4222,58 @@ public: int winIdChangeEventCount() const { return m_winIdList.count(); } }; +class CreateDestroyWidget : public WinIdChangeWidget +{ +public: + void create() { QWidget::create(); } + void destroy() { QWidget::destroy(); } +}; + +void tst_QWidget::createAndDestroy() +{ + CreateDestroyWidget widget; + + // Create and destroy via QWidget + widget.create(); + QVERIFY(widget.testAttribute(Qt::WA_WState_Created)); + QCOMPARE(widget.winIdChangeEventCount(), 1); + QVERIFY(widget.internalWinId()); + + widget.destroy(); + QVERIFY(!widget.testAttribute(Qt::WA_WState_Created)); + QCOMPARE(widget.winIdChangeEventCount(), 2); + QVERIFY(!widget.internalWinId()); + + // Create via QWidget, destroy via QWindow + widget.create(); + QVERIFY(widget.testAttribute(Qt::WA_WState_Created)); + QCOMPARE(widget.winIdChangeEventCount(), 3); + QVERIFY(widget.internalWinId()); + + widget.windowHandle()->destroy(); + QVERIFY(!widget.testAttribute(Qt::WA_WState_Created)); + QCOMPARE(widget.winIdChangeEventCount(), 4); + QVERIFY(!widget.internalWinId()); + + // Create via QWidget again + widget.create(); + QVERIFY(widget.testAttribute(Qt::WA_WState_Created)); + QCOMPARE(widget.winIdChangeEventCount(), 5); + QVERIFY(widget.internalWinId()); + + // Destroy via QWindow, create via QWindow + widget.windowHandle()->destroy(); + QVERIFY(widget.windowHandle()); + QVERIFY(!widget.testAttribute(Qt::WA_WState_Created)); + QCOMPARE(widget.winIdChangeEventCount(), 6); + QVERIFY(!widget.internalWinId()); + + widget.windowHandle()->create(); + QVERIFY(widget.testAttribute(Qt::WA_WState_Created)); + QCOMPARE(widget.winIdChangeEventCount(), 7); + QVERIFY(widget.internalWinId()); +} + void tst_QWidget::winIdChangeEvent() { { |