961 lines
28 KiB
C++
961 lines
28 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "QtWidgets/qwidget.h"
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#include "QtGui/qevent.h"
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#include "QtWidgets/qapplication.h"
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#include "private/qwidgetbackingstore_p.h"
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#include "private/qwidget_p.h"
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#include "private/qwidgetwindow_qpa_p.h"
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#include "private/qapplication_p.h"
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#include "QtWidgets/qdesktopwidget.h"
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#include "QtGui/qplatformwindow_qpa.h"
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#include "QtGui/qsurfaceformat.h"
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#include "QtGui/qplatformopenglcontext_qpa.h"
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#include "QtGui/private/qwindow_p.h"
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#include <QtGui/QPlatformCursor>
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#include <QtGui/QGuiApplication>
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#include <QtGui/QScreen>
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QT_BEGIN_NAMESPACE
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void q_createNativeChildrenAndSetParent(QWindow *parentWindow, const QWidget *parentWidget)
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{
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QObjectList children = parentWidget->children();
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for (int i = 0; i < children.size(); i++) {
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if (children.at(i)->isWidgetType()) {
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const QWidget *childWidget = qobject_cast<const QWidget *>(children.at(i));
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if (childWidget) { // should not be necessary
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if (childWidget->testAttribute(Qt::WA_NativeWindow)) {
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if (!childWidget->windowHandle())
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childWidget->winId();
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if (childWidget->windowHandle()) {
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if (childWidget->isTopLevel())
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childWidget->windowHandle()->setTransientParent(parentWindow);
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else
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childWidget->windowHandle()->setParent(parentWindow);
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}
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} else {
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q_createNativeChildrenAndSetParent(parentWindow,childWidget);
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}
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}
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}
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}
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}
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void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyOldWindow)
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{
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Q_Q(QWidget);
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Q_UNUSED(window);
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Q_UNUSED(initializeWindow);
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Q_UNUSED(destroyOldWindow);
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Qt::WindowFlags flags = data.window_flags;
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if (!q->testAttribute(Qt::WA_NativeWindow) && !q->isWindow())
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return; // we only care about real toplevels
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QWindow *win = topData()->window;
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// topData() ensures the extra is created but does not ensure 'window' is non-null
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// in case the extra was already valid.
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if (!win) {
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createTLSysExtra();
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win = topData()->window;
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}
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win->setWindowFlags(data.window_flags);
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win->setGeometry(q->geometry());
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win->setScreen(QGuiApplication::screens().value(topData()->screenIndex, 0));
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if (q->testAttribute(Qt::WA_TranslucentBackground)) {
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QSurfaceFormat format;
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format.setAlphaBufferSize(8);
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win->setFormat(format);
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}
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if (QWidget *nativeParent = q->nativeParentWidget()) {
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if (nativeParent->windowHandle()) {
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if (flags & Qt::Window) {
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win->setTransientParent(nativeParent->windowHandle());
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win->setParent(0);
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} else {
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win->setTransientParent(0);
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win->setParent(nativeParent->windowHandle());
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}
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}
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}
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qt_window_private(win)->positionPolicy = topData()->posFromMove ? QWindowPrivate::WindowFrameInclusive : QWindowPrivate::WindowFrameExclusive;
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win->create();
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data.window_flags = win->windowFlags();
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QBackingStore *store = q->backingStore();
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if (!store) {
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if (win)
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q->setBackingStore(new QBackingStore(win));
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else
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q->setAttribute(Qt::WA_PaintOnScreen, true);
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}
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setWinId(win->winId());
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// first check children. and create them if necessary
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// q_createNativeChildrenAndSetParent(q->windowHandle(),q);
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// qDebug() << "create_sys" << q << q->internalWinId();
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}
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void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
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{
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Q_D(QWidget);
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d->aboutToDestroy();
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if (!isWindow() && parentWidget())
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parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry()));
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d->deactivateWidgetCleanup();
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if ((windowType() == Qt::Popup))
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qApp->d_func()->closePopup(this);
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if (this == QApplicationPrivate::active_window)
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QApplication::setActiveWindow(0);
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setAttribute(Qt::WA_WState_Created, false);
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if (windowType() != Qt::Desktop) {
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if (destroySubWindows) {
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QObjectList childList(children());
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for (int i = 0; i < childList.size(); i++) {
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QWidget *widget = qobject_cast<QWidget *>(childList.at(i));
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if (widget && widget->testAttribute(Qt::WA_NativeWindow)) {
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if (widget->windowHandle()) {
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widget->destroy();
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}
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}
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}
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}
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if (destroyWindow) {
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d->deleteTLSysExtra();
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} else {
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if (parentWidget() && parentWidget()->testAttribute(Qt::WA_WState_Created)) {
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d->hide_sys();
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}
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}
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d->setWinId(0);
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}
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}
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void QWidgetPrivate::setParent_sys(QWidget *newparent, Qt::WindowFlags f)
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{
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Q_Q(QWidget);
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Qt::WindowFlags oldFlags = data.window_flags;
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bool wasCreated = q->testAttribute(Qt::WA_WState_Created);
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int targetScreen = -1;
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// Handle a request to move the widget to a particular screen
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if (newparent && newparent->windowType() == Qt::Desktop) {
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// make sure the widget is created on the same screen as the
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// programmer specified desktop widget
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// get the desktop's screen number
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targetScreen = newparent->window()->d_func()->topData()->screenIndex;
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newparent = 0;
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}
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setWinId(0);
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if (parent != newparent) {
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QObjectPrivate::setParent_helper(newparent); //### why does this have to be done in the _sys function???
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if (q->windowHandle()) {
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q->windowHandle()->setWindowFlags(f);
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QWidget *parentWithWindow =
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newparent ? (newparent->windowHandle() ? newparent : newparent->nativeParentWidget()) : 0;
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if (parentWithWindow) {
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if (f & Qt::Window) {
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q->windowHandle()->setTransientParent(parentWithWindow->windowHandle());
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q->windowHandle()->setParent(0);
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} else {
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q->windowHandle()->setTransientParent(0);
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q->windowHandle()->setParent(parentWithWindow->windowHandle());
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}
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} else {
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q->windowHandle()->setTransientParent(0);
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q->windowHandle()->setParent(0);
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}
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}
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}
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if (!newparent) {
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f |= Qt::Window;
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if (targetScreen == -1) {
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if (parent)
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targetScreen = q->parentWidget()->window()->d_func()->topData()->screenIndex;
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}
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}
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bool explicitlyHidden = q->testAttribute(Qt::WA_WState_Hidden) && q->testAttribute(Qt::WA_WState_ExplicitShowHide);
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// Reparenting toplevel to child
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if (!(f&Qt::Window) && (oldFlags&Qt::Window) && !q->testAttribute(Qt::WA_NativeWindow)) {
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//qDebug() << "setParent_sys() change from toplevel";
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q->destroy();
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} else if (newparent && wasCreated) {
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q->createWinId();
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}
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adjustFlags(f, q);
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data.window_flags = f;
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q->setAttribute(Qt::WA_WState_Created, false);
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q->setAttribute(Qt::WA_WState_Visible, false);
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q->setAttribute(Qt::WA_WState_Hidden, false);
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if (q->isWindow() || (!newparent || newparent->isVisible()) || explicitlyHidden)
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q->setAttribute(Qt::WA_WState_Hidden);
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q->setAttribute(Qt::WA_WState_ExplicitShowHide, explicitlyHidden);
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// move the window to the selected screen
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if (!newparent && targetScreen != -1) {
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if (maybeTopData())
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maybeTopData()->screenIndex = targetScreen;
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// only if it is already created
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if (q->testAttribute(Qt::WA_WState_Created)) {
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q->windowHandle()->setScreen(QGuiApplication::screens().value(targetScreen, 0));
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}
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}
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}
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QPoint QWidget::mapToGlobal(const QPoint &pos) const
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{
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int x = pos.x(), y = pos.y();
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const QWidget *w = this;
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while (w) {
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x += w->data->crect.x();
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y += w->data->crect.y();
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w = w->isWindow() ? 0 : w->parentWidget();
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}
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return QPoint(x, y);
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}
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QPoint QWidget::mapFromGlobal(const QPoint &pos) const
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{
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int x = pos.x(), y = pos.y();
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const QWidget *w = this;
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while (w) {
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x -= w->data->crect.x();
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y -= w->data->crect.y();
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w = w->isWindow() ? 0 : w->parentWidget();
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}
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return QPoint(x, y);
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}
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void QWidgetPrivate::updateSystemBackground() {}
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#ifndef QT_NO_CURSOR
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void QWidgetPrivate::setCursor_sys(const QCursor &cursor)
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{
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Q_UNUSED(cursor);
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Q_Q(QWidget);
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qt_qpa_set_cursor(q, false);
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}
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void QWidgetPrivate::unsetCursor_sys()
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{
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Q_Q(QWidget);
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qt_qpa_set_cursor(q, false);
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}
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#endif //QT_NO_CURSOR
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void QWidgetPrivate::setWindowTitle_sys(const QString &caption)
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{
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Q_Q(QWidget);
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if (!q->isWindow())
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return;
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if (QWindow *window = q->windowHandle())
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window->setWindowTitle(caption);
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}
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void QWidgetPrivate::setWindowIcon_sys(bool /*forceReset*/)
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{
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}
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void QWidgetPrivate::setWindowIconText_sys(const QString &iconText)
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{
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Q_UNUSED(iconText);
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}
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QWidget *qt_pressGrab = 0;
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QWidget *qt_mouseGrb = 0;
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static QWidget *keyboardGrb = 0;
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void QWidget::grabMouse()
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{
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if (qt_mouseGrb)
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qt_mouseGrb->releaseMouse();
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if (windowHandle())
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windowHandle()->setMouseGrabEnabled(true);
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qt_mouseGrb = this;
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qt_pressGrab = 0;
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}
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#ifndef QT_NO_CURSOR
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void QWidget::grabMouse(const QCursor &cursor)
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{
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Q_UNUSED(cursor);
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if (qt_mouseGrb)
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qt_mouseGrb->releaseMouse();
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if (windowHandle())
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windowHandle()->setMouseGrabEnabled(true);
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qt_mouseGrb = this;
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qt_pressGrab = 0;
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}
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#endif
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bool QWidgetPrivate::stealMouseGrab(bool grab)
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{
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// This is like a combination of grab/releaseMouse() but with error checking
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// and it has no effect on the result of mouseGrabber().
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Q_Q(QWidget);
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return q->windowHandle() ? q->windowHandle()->setMouseGrabEnabled(grab) : false;
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}
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void QWidget::releaseMouse()
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{
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if (qt_mouseGrb == this) {
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if (windowHandle())
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windowHandle()->setMouseGrabEnabled(false);
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qt_mouseGrb = 0;
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}
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}
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void QWidget::grabKeyboard()
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{
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if (keyboardGrb)
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keyboardGrb->releaseKeyboard();
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if (windowHandle())
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windowHandle()->setKeyboardGrabEnabled(true);
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keyboardGrb = this;
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}
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bool QWidgetPrivate::stealKeyboardGrab(bool grab)
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{
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// This is like a combination of grab/releaseKeyboard() but with error
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// checking and it has no effect on the result of keyboardGrabber().
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Q_Q(QWidget);
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return q->windowHandle() ? q->windowHandle()->setKeyboardGrabEnabled(grab) : false;
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}
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void QWidget::releaseKeyboard()
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{
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if (keyboardGrb == this) {
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if (windowHandle())
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windowHandle()->setKeyboardGrabEnabled(false);
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keyboardGrb = 0;
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}
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}
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QWidget *QWidget::mouseGrabber()
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{
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if (qt_mouseGrb)
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return qt_mouseGrb;
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return qt_pressGrab;
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}
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QWidget *QWidget::keyboardGrabber()
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{
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return keyboardGrb;
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}
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void QWidget::activateWindow()
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{
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if (windowHandle())
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windowHandle()->requestActivateWindow();
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}
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// Position top level windows at the center, avoid showing
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// Windows at the default 0,0 position excluding the frame.
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static inline QRect positionTopLevelWindow(QRect geometry, const QScreen *screen)
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{
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if (screen && geometry.x() == 0 && geometry.y() == 0) {
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const QRect availableGeometry = screen->availableGeometry();
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if (availableGeometry.width() > geometry.width()
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&& availableGeometry.height() > geometry.height())
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geometry.moveCenter(availableGeometry.center());
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}
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return geometry;
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}
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void QWidgetPrivate::show_sys()
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{
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Q_Q(QWidget);
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q->setAttribute(Qt::WA_Mapped);
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if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
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invalidateBuffer(q->rect());
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return;
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}
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QApplication::postEvent(q, new QUpdateLaterEvent(q->rect()));
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if (!q->isWindow() && !q->testAttribute(Qt::WA_NativeWindow))
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return;
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QWindow *window = q->windowHandle();
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if (window) {
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QRect geomRect = q->geometry();
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if (q->isWindow()) {
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if (!q->testAttribute(Qt::WA_Moved))
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geomRect = positionTopLevelWindow(geomRect, window->screen());
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} else {
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QPoint topLeftOfWindow = q->mapTo(q->nativeParentWidget(),QPoint());
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geomRect.moveTopLeft(topLeftOfWindow);
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}
|
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const QRect windowRect = window->geometry();
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if (windowRect != geomRect) {
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window->setGeometry(geomRect);
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}
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if (QBackingStore *store = q->backingStore()) {
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if (store->size() != geomRect.size()) {
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store->resize(geomRect.size());
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}
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}
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invalidateBuffer(q->rect());
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if (window)
|
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window->setVisible(true);
|
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}
|
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}
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void QWidgetPrivate::hide_sys()
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{
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Q_Q(QWidget);
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q->setAttribute(Qt::WA_Mapped, false);
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deactivateWidgetCleanup();
|
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if (!q->isWindow()) {
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QWidget *p = q->parentWidget();
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if (p &&p->isVisible()) {
|
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invalidateBuffer(q->rect());
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}
|
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return;
|
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}
|
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if (QWindow *window = q->windowHandle()) {
|
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window->setVisible(false);
|
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}
|
|
}
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|
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void QWidgetPrivate::setMaxWindowState_helper()
|
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{
|
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Q_Q(QWidget);
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|
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const uint old_state = data.in_set_window_state;
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data.in_set_window_state = 1;
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const QRect desktop = qApp->desktop()->availableGeometry(qApp->desktop()->screenNumber(q));
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q->setGeometry(desktop);
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data.in_set_window_state = old_state;
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}
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void QWidgetPrivate::setFullScreenSize_helper()
|
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{
|
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Q_Q(QWidget);
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|
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const uint old_state = data.in_set_window_state;
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data.in_set_window_state = 1;
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|
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const QRect screen = qApp->desktop()->screenGeometry(qApp->desktop()->screenNumber(q));
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q->move(screen.topLeft());
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q->resize(screen.size());
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data.in_set_window_state = old_state;
|
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}
|
|
|
|
static Qt::WindowState effectiveState(Qt::WindowStates state)
|
|
{
|
|
if (state & Qt::WindowMinimized)
|
|
return Qt::WindowMinimized;
|
|
else if (state & Qt::WindowFullScreen)
|
|
return Qt::WindowFullScreen;
|
|
else if (state & Qt::WindowMaximized)
|
|
return Qt::WindowMaximized;
|
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return Qt::WindowNoState;
|
|
}
|
|
|
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void QWidget::setWindowState(Qt::WindowStates newstate)
|
|
{
|
|
Q_D(QWidget);
|
|
Qt::WindowStates oldstate = windowState();
|
|
if (oldstate == newstate)
|
|
return;
|
|
if (isWindow() && !testAttribute(Qt::WA_WState_Created))
|
|
create();
|
|
|
|
data->window_state = newstate;
|
|
data->in_set_window_state = 1;
|
|
bool needShow = false;
|
|
Qt::WindowState newEffectiveState = effectiveState(newstate);
|
|
Qt::WindowState oldEffectiveState = effectiveState(oldstate);
|
|
if (isWindow() && newEffectiveState != oldEffectiveState) {
|
|
d->createTLExtra();
|
|
if (oldEffectiveState == Qt::WindowNoState)
|
|
d->topData()->normalGeometry = geometry();
|
|
|
|
Q_ASSERT(windowHandle());
|
|
windowHandle()->setWindowState(newEffectiveState);
|
|
bool supported = windowHandle()->windowState() == newEffectiveState;
|
|
|
|
if (!supported) {
|
|
// undo the effects of the old emulated state
|
|
if (oldEffectiveState == Qt::WindowFullScreen) {
|
|
setParent(0, d->topData()->savedFlags);
|
|
needShow = true;
|
|
} else if (oldEffectiveState == Qt::WindowMinimized) {
|
|
needShow = true;
|
|
}
|
|
|
|
// emulate the new window state
|
|
if (newEffectiveState == Qt::WindowMinimized) {
|
|
//### not ideal...
|
|
hide();
|
|
needShow = false;
|
|
} else if (newEffectiveState == Qt::WindowFullScreen) {
|
|
d->topData()->savedFlags = windowFlags();
|
|
setParent(0, Qt::FramelessWindowHint | (windowFlags() & Qt::WindowStaysOnTopHint));
|
|
d->setFullScreenSize_helper();
|
|
raise();
|
|
needShow = true;
|
|
} else if (newEffectiveState == Qt::WindowMaximized) {
|
|
createWinId();
|
|
d->setMaxWindowState_helper();
|
|
} else if (newEffectiveState == Qt::WindowNoState) {
|
|
// reset old geometry
|
|
QRect r = d->topData()->normalGeometry;
|
|
if (r.width() >= 0) {
|
|
d->topData()->normalGeometry = QRect(0,0,-1,-1);
|
|
setGeometry(r);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
data->in_set_window_state = 0;
|
|
|
|
if (needShow)
|
|
show();
|
|
|
|
if (newstate & Qt::WindowActive)
|
|
activateWindow();
|
|
|
|
QWindowStateChangeEvent e(oldstate);
|
|
QApplication::sendEvent(this, &e);
|
|
}
|
|
|
|
void QWidgetPrivate::setFocus_sys()
|
|
{
|
|
|
|
}
|
|
|
|
void QWidgetPrivate::raise_sys()
|
|
{
|
|
Q_Q(QWidget);
|
|
if (q->isWindow()) {
|
|
q->windowHandle()->raise();
|
|
}
|
|
}
|
|
|
|
void QWidgetPrivate::lower_sys()
|
|
{
|
|
Q_Q(QWidget);
|
|
if (q->isWindow()) {
|
|
Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
|
|
q->windowHandle()->lower();
|
|
} else if (QWidget *p = q->parentWidget()) {
|
|
setDirtyOpaqueRegion();
|
|
p->d_func()->invalidateBuffer(effectiveRectFor(q->geometry()));
|
|
}
|
|
}
|
|
|
|
void QWidgetPrivate::stackUnder_sys(QWidget*)
|
|
{
|
|
Q_Q(QWidget);
|
|
if (QWidget *p = q->parentWidget()) {
|
|
setDirtyOpaqueRegion();
|
|
p->d_func()->invalidateBuffer(effectiveRectFor(q->geometry()));
|
|
}
|
|
}
|
|
|
|
void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
|
|
{
|
|
Q_Q(QWidget);
|
|
if (extra) { // any size restrictions?
|
|
w = qMin(w,extra->maxw);
|
|
h = qMin(h,extra->maxh);
|
|
w = qMax(w,extra->minw);
|
|
h = qMax(h,extra->minh);
|
|
}
|
|
|
|
QPoint oldp = q->geometry().topLeft();
|
|
QSize olds = q->size();
|
|
QRect r(x, y, w, h);
|
|
|
|
bool isResize = olds != r.size();
|
|
isMove = oldp != r.topLeft(); //### why do we have isMove as a parameter?
|
|
|
|
|
|
// We only care about stuff that changes the geometry, or may
|
|
// cause the window manager to change its state
|
|
if (r.size() == olds && oldp == r.topLeft())
|
|
return;
|
|
|
|
if (!data.in_set_window_state) {
|
|
q->data->window_state &= ~Qt::WindowMaximized;
|
|
q->data->window_state &= ~Qt::WindowFullScreen;
|
|
if (q->isWindow())
|
|
topData()->normalGeometry = QRect(0, 0, -1, -1);
|
|
}
|
|
|
|
QPoint oldPos = q->pos();
|
|
data.crect = r;
|
|
|
|
bool needsShow = false;
|
|
|
|
if (w == 0 || h == 0) {
|
|
q->setAttribute(Qt::WA_OutsideWSRange, true);
|
|
if (q->isVisible() && q->testAttribute(Qt::WA_Mapped))
|
|
hide_sys();
|
|
data.crect = QRect(x, y, w, h);
|
|
} else if (q->isVisible() && q->testAttribute(Qt::WA_OutsideWSRange)) {
|
|
q->setAttribute(Qt::WA_OutsideWSRange, false);
|
|
needsShow = true;
|
|
}
|
|
|
|
if (q->isVisible()) {
|
|
if (!q->testAttribute(Qt::WA_DontShowOnScreen) && !q->testAttribute(Qt::WA_OutsideWSRange)) {
|
|
if (q->windowHandle()) {
|
|
if (q->isWindow()) {
|
|
qt_window_private(q->windowHandle())->positionPolicy = topData()->posFromMove ? QWindowPrivate::WindowFrameInclusive : QWindowPrivate::WindowFrameExclusive;
|
|
q->windowHandle()->setGeometry(q->geometry());
|
|
} else {
|
|
QPoint posInNativeParent = q->mapTo(q->nativeParentWidget(),QPoint());
|
|
q->windowHandle()->setGeometry(QRect(posInNativeParent,r.size()));
|
|
}
|
|
const QWidgetBackingStore *bs = maybeBackingStore();
|
|
if (bs->store) {
|
|
if (isResize)
|
|
bs->store->resize(r.size());
|
|
}
|
|
|
|
if (needsShow)
|
|
show_sys();
|
|
} else {
|
|
if (isMove && !isResize)
|
|
moveRect(QRect(oldPos, olds), x - oldPos.x(), y - oldPos.y());
|
|
else
|
|
invalidateBuffer_resizeHelper(oldPos, olds);
|
|
}
|
|
}
|
|
|
|
if (isMove) {
|
|
QMoveEvent e(q->pos(), oldPos);
|
|
QApplication::sendEvent(q, &e);
|
|
}
|
|
if (isResize) {
|
|
QResizeEvent e(r.size(), olds);
|
|
QApplication::sendEvent(q, &e);
|
|
if (q->windowHandle())
|
|
q->update();
|
|
}
|
|
} else { // not visible
|
|
if (isMove && q->pos() != oldPos)
|
|
q->setAttribute(Qt::WA_PendingMoveEvent, true);
|
|
if (isResize)
|
|
q->setAttribute(Qt::WA_PendingResizeEvent, true);
|
|
}
|
|
|
|
}
|
|
|
|
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)
|
|
winp->platformWindow->propagateSizeHints();
|
|
}
|
|
}
|
|
|
|
void QWidgetPrivate::scroll_sys(int dx, int dy)
|
|
{
|
|
Q_Q(QWidget);
|
|
scrollChildren(dx, dy);
|
|
scrollRect(q->rect(), dx, dy);
|
|
}
|
|
|
|
void QWidgetPrivate::scroll_sys(int dx, int dy, const QRect &r)
|
|
{
|
|
scrollRect(r, dx, dy);
|
|
}
|
|
|
|
int QWidget::metric(PaintDeviceMetric m) const
|
|
{
|
|
Q_D(const QWidget);
|
|
|
|
QScreen *screen = 0;
|
|
if (QWidget *topLevel = window())
|
|
if (QWindow *topLevelWindow = topLevel->windowHandle()) {
|
|
QPlatformScreen *platformScreen = QPlatformScreen::platformScreenForWindow(topLevelWindow);
|
|
if (platformScreen)
|
|
screen = platformScreen->screen();
|
|
}
|
|
if (!screen && QGuiApplication::primaryScreen())
|
|
screen = QGuiApplication::primaryScreen();
|
|
|
|
if (!screen) {
|
|
if (m == PdmDpiX || m == PdmDpiY)
|
|
return 72;
|
|
return QPaintDevice::metric(m);
|
|
}
|
|
int val;
|
|
if (m == PdmWidth) {
|
|
val = data->crect.width();
|
|
} else if (m == PdmWidthMM) {
|
|
val = data->crect.width() * screen->physicalSize().width() / screen->geometry().width();
|
|
} else if (m == PdmHeight) {
|
|
val = data->crect.height();
|
|
} else if (m == PdmHeightMM) {
|
|
val = data->crect.height() * screen->physicalSize().height() / screen->geometry().height();
|
|
} else if (m == PdmDepth) {
|
|
return screen->depth();
|
|
} else if (m == PdmDpiX) {
|
|
if (d->extra && d->extra->customDpiX)
|
|
return d->extra->customDpiX;
|
|
else if (d->parent)
|
|
return static_cast<QWidget *>(d->parent)->metric(m);
|
|
return qRound(screen->logicalDotsPerInchX());
|
|
} else if (m == PdmDpiY) {
|
|
if (d->extra && d->extra->customDpiY)
|
|
return d->extra->customDpiY;
|
|
else if (d->parent)
|
|
return static_cast<QWidget *>(d->parent)->metric(m);
|
|
return qRound(screen->logicalDotsPerInchY());
|
|
} else if (m == PdmPhysicalDpiX) {
|
|
return qRound(screen->physicalDotsPerInchX());
|
|
} else if (m == PdmPhysicalDpiY) {
|
|
return qRound(screen->physicalDotsPerInchY());
|
|
} else {
|
|
val = QPaintDevice::metric(m);// XXX
|
|
}
|
|
return val;
|
|
}
|
|
|
|
/*!
|
|
\preliminary
|
|
|
|
Returns the QPlatformWindow this widget will be drawn into.
|
|
*/
|
|
QWindow *QWidget::windowHandle() const
|
|
{
|
|
Q_D(const QWidget);
|
|
QTLWExtra *extra = d->maybeTopData();
|
|
if (extra)
|
|
return extra->window;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void QWidgetPrivate::createSysExtra()
|
|
{
|
|
}
|
|
|
|
void QWidgetPrivate::deleteSysExtra()
|
|
{
|
|
|
|
}
|
|
|
|
void QWidgetPrivate::createTLSysExtra()
|
|
{
|
|
Q_Q(QWidget);
|
|
extra->topextra->screenIndex = 0;
|
|
extra->topextra->window = 0;
|
|
if (q->testAttribute(Qt::WA_NativeWindow) || q->isWindow())
|
|
extra->topextra->window = new QWidgetWindow(q);
|
|
}
|
|
|
|
void QWidgetPrivate::deleteTLSysExtra()
|
|
{
|
|
if (extra && extra->topextra) {
|
|
//the toplevel might have a context with a "qglcontext associated with it. We need to
|
|
//delete the qglcontext before we delete the qplatformopenglcontext.
|
|
//One unfortunate thing about this is that we potentially create a glContext just to
|
|
//delete it straight afterwards.
|
|
if (extra->topextra->window) {
|
|
extra->topextra->window->destroy();
|
|
}
|
|
setWinId(0);
|
|
//hmmm. should we delete window..
|
|
delete extra->topextra->window;
|
|
extra->topextra->window = 0;
|
|
}
|
|
}
|
|
|
|
void QWidgetPrivate::registerDropSite(bool on)
|
|
{
|
|
Q_UNUSED(on);
|
|
}
|
|
|
|
void QWidgetPrivate::setMask_sys(const QRegion ®ion)
|
|
{
|
|
Q_UNUSED(region);
|
|
// XXX
|
|
}
|
|
|
|
void QWidgetPrivate::updateFrameStrut()
|
|
{
|
|
// XXX
|
|
}
|
|
|
|
void QWidgetPrivate::setWindowOpacity_sys(qreal level)
|
|
{
|
|
Q_Q(QWidget);
|
|
if (q->windowHandle())
|
|
q->windowHandle()->setOpacity(level);
|
|
}
|
|
|
|
void QWidgetPrivate::setWSGeometry(bool dontShow, const QRect &oldRect)
|
|
{
|
|
Q_UNUSED(dontShow);
|
|
Q_UNUSED(oldRect);
|
|
// XXX
|
|
}
|
|
|
|
QPaintEngine *QWidget::paintEngine() const
|
|
{
|
|
qWarning("QWidget::paintEngine: Should no longer be called");
|
|
return 0; //##### @@@
|
|
}
|
|
|
|
void QWidgetPrivate::setModal_sys()
|
|
{
|
|
Q_Q(QWidget);
|
|
if (q->windowHandle())
|
|
q->windowHandle()->setWindowModality(q->windowModality());
|
|
}
|
|
|
|
#ifndef QT_NO_CURSOR
|
|
static void applyCursor(QWidget *w, const QCursor &c)
|
|
{
|
|
QCursor cc = c;
|
|
QList<QWeakPointer<QPlatformCursor> > cursors = QPlatformCursorPrivate::getInstances();
|
|
int cursorCount = cursors.count();
|
|
for (int i = 0; i < cursorCount; ++i) {
|
|
const QWeakPointer<QPlatformCursor> &cursor(cursors.at(i));
|
|
if (cursor)
|
|
cursor.data()->changeCursor(&cc, w->window()->windowHandle());
|
|
}
|
|
}
|
|
|
|
void qt_qpa_set_cursor(QWidget *w, bool force)
|
|
{
|
|
if (!w->testAttribute(Qt::WA_WState_Created))
|
|
return;
|
|
|
|
static QPointer<QWidget> lastUnderMouse = 0;
|
|
if (force) {
|
|
lastUnderMouse = w;
|
|
} else if (lastUnderMouse && lastUnderMouse->effectiveWinId() == w->effectiveWinId()) {
|
|
w = lastUnderMouse;
|
|
} else if (!w->internalWinId()) {
|
|
return; // The mouse is not under this widget, and it's not native, so don't change it.
|
|
}
|
|
|
|
while (!w->internalWinId() && w->parentWidget() && !w->isWindow()
|
|
&& !w->testAttribute(Qt::WA_SetCursor))
|
|
w = w->parentWidget();
|
|
|
|
QWidget *nativeParent = w;
|
|
if (!w->internalWinId())
|
|
nativeParent = w->nativeParentWidget();
|
|
if (!nativeParent || !nativeParent->internalWinId())
|
|
return;
|
|
|
|
if (w->isWindow() || w->testAttribute(Qt::WA_SetCursor)) {
|
|
QCursor *oc = QApplication::overrideCursor();
|
|
if (oc)
|
|
applyCursor(nativeParent, *oc);
|
|
else if (w->isEnabled())
|
|
applyCursor(nativeParent, w->cursor());
|
|
else
|
|
// Enforce the windows behavior of clearing the cursor on
|
|
// disabled widgets.
|
|
applyCursor(nativeParent, Qt::ArrowCursor);
|
|
} else {
|
|
applyCursor(nativeParent, Qt::ArrowCursor);
|
|
}
|
|
}
|
|
#endif //QT_NO_CURSOR
|
|
|
|
QT_END_NAMESPACE
|