void tst_QWidget_window::tst_recreateWindow_QTBUG40817()
{
QTabWidget tab;
QWidget *w = new QWidget;
tab.addTab(w, "Tab1");
QVBoxLayout *vl = new QVBoxLayout(w);
QLabel *lbl = new QLabel("HELLO1");
lbl->setObjectName("label1");
vl->addWidget(lbl);
w = new QWidget;
tab.addTab(w, "Tab2");
vl = new QVBoxLayout(w);
lbl = new QLabel("HELLO2");
lbl->setAttribute(Qt::WA_NativeWindow);
lbl->setObjectName("label2");
vl->addWidget(lbl);
tab.show();
QVERIFY(QTest::qWaitForWindowExposed(&tab));
QWindow *win = tab.windowHandle();
win->destroy();
QWindowPrivate *p = qt_window_private(win);
p->create(true);
win->show();
tab.setCurrentIndex(1);
}
void tst_QWidget_window::tst_updateWinId_QTBUG40681()
{
QWidget w;
QVBoxLayout *vl = new QVBoxLayout(&w);
QLabel *lbl = new QLabel("HELLO1");
lbl->setAttribute(Qt::WA_NativeWindow);
lbl->setObjectName("label1");
vl->addWidget(lbl);
w.setMinimumWidth(200);
w.show();
QVERIFY(QTest::qWaitForWindowExposed(&w));
QCOMPARE(lbl->winId(), lbl->windowHandle()->winId());
// simulate screen change and notification
QWindow *win = w.windowHandle();
w.windowHandle()->destroy();
lbl->windowHandle()->destroy();
w.windowHandle()->create();
lbl->windowHandle()->create();
QWindowPrivate *p = qt_window_private(win);
p->emitScreenChangedRecursion(win->screen());
QCOMPARE(lbl->winId(), lbl->windowHandle()->winId());
}
/*!
Flushes the given \a region from the specified window \a win onto the
screen.
Note that the \a offset parameter is currently unused.
*/
void QBackingStore::flush(const QRegion ®ion, QWindow *win, const QPoint &offset)
{
if (!win)
win = window();
if (win && !qt_window_private(win)->receivedExpose)
qWarning("QBackingStore::flush() called with non-exposed window, behavior is undefined");
d_ptr->platformBackingStore->flush(win, region, offset);
}
void QOffscreenWindow::setGeometry(const QRect &rect)
{
if (window()->windowState() != Qt::WindowNoState)
return;
m_positionIncludesFrame = qt_window_private(window())->positionPolicy == QWindowPrivate::WindowFrameInclusive;
setFrameMarginsEnabled(true);
setGeometryImpl(rect);
m_normalGeometry = geometry();
}
void QWidgetPrivate::setConstraints_sys()
{
Q_Q(QWidget);
if (extra && q->windowHandle()) {
QWindow *win = q->windowHandle();
QWindowPrivate *winp = qt_window_private(win);
winp->minimumSize = QSize(extra->minw, extra->minh);
winp->maximumSize = QSize(extra->maxw, extra->maxh);
if (extra->topextra) {
winp->baseSize = QSize(extra->topextra->basew, extra->topextra->baseh);
winp->sizeIncrement = QSize(extra->topextra->incw, extra->topextra->inch);
}
if (winp->platformWindow) {
fixPosIncludesFrame();
winp->platformWindow->propagateSizeHints();
}
}
}
void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyOldWindow)
{
Q_Q(QWidget);
Q_UNUSED(window);
Q_UNUSED(initializeWindow);
Q_UNUSED(destroyOldWindow);
Qt::WindowFlags flags = data.window_flags;
if (!q->testAttribute(Qt::WA_NativeWindow) && !q->isWindow())
return; // we only care about real toplevels
QWindow *win = topData()->window;
// topData() ensures the extra is created but does not ensure 'window' is non-null
// in case the extra was already valid.
if (!win) {
createTLSysExtra();
win = topData()->window;
}
win->setFlags(data.window_flags);
fixPosIncludesFrame();
if (q->testAttribute(Qt::WA_Moved))
win->setGeometry(q->geometry());
else
win->resize(q->size());
win->setScreen(QGuiApplication::screens().value(topData()->screenIndex, 0));
if (q->testAttribute(Qt::WA_TranslucentBackground)) {
QSurfaceFormat format;
format.setAlphaBufferSize(8);
win->setFormat(format);
}
if (QWidget *nativeParent = q->nativeParentWidget()) {
if (nativeParent->windowHandle()) {
if (flags & Qt::Window) {
win->setTransientParent(nativeParent->windowHandle());
win->setParent(0);
} else {
win->setTransientParent(0);
win->setParent(nativeParent->windowHandle());
}
}
}
qt_window_private(win)->positionPolicy = topData()->posIncludesFrame ?
QWindowPrivate::WindowFrameInclusive : QWindowPrivate::WindowFrameExclusive;
win->create();
// Enable nonclient-area events for QDockWidget and other NonClientArea-mouse event processing.
if ((flags & Qt::Desktop) == Qt::Window)
win->handle()->setFrameStrutEventsEnabled(true);
data.window_flags = win->flags();
QBackingStore *store = q->backingStore();
if (!store) {
if (win && q->windowType() != Qt::Desktop)
q->setBackingStore(new QBackingStore(win));
else
q->setAttribute(Qt::WA_PaintOnScreen, true);
}
setWindowModified_helper();
setWinId(win->winId());
// Check children and create windows for them if necessary
q_createNativeChildrenAndSetParent(q);
if (extra && !extra->mask.isEmpty())
setMask_sys(extra->mask);
// If widget is already shown, set window visible, too
if (q->isVisible())
win->setVisible(true);
}
