--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "QtWidgets/qwidget.h"
+#include "QtGui/qevent.h"
+#include "QtWidgets/qapplication.h"
+#include "private/qbackingstore_p.h"
+#include "private/qwidget_p.h"
+#include "private/qwidgetwindow_qpa_p.h"
+#include "private/qapplication_p.h"
+#include "QtWidgets/qdesktopwidget.h"
+#include "QtGui/qplatformwindow_qpa.h"
+#include "QtGui/qplatformglcontext_qpa.h"
+#include "QtGui/private/qwindow_p.h"
+
+#include <QtGui/QPlatformCursor>
+
+QT_BEGIN_NAMESPACE
+
+void q_createNativeChildrenAndSetParent(QWindow *parentWindow, const QWidget *parentWidget)
+{
+ QObjectList children = parentWidget->children();
+ for (int i = 0; i < children.size(); i++) {
+ if (children.at(i)->isWidgetType()) {
+ const QWidget *childWidget = qobject_cast<const QWidget *>(children.at(i));
+ if (childWidget) { // should not be necessary
+ if (childWidget->testAttribute(Qt::WA_NativeWindow)) {
+ if (!childWidget->windowHandle())
+ childWidget->winId();
+ if (childWidget->windowHandle())
+ childWidget->windowHandle()->setParent(parentWindow);
+ } else {
+ q_createNativeChildrenAndSetParent(parentWindow,childWidget);
+ }
+ }
+ }
+ }
+
+}
+
+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()) || q->windowType() == Qt::Desktop )
+ return; // we only care about real toplevels
+
+ QWindowSurface *surface = q->windowSurface();
+
+ QWindow *win = topData()->window;
+
+ win->setWindowFlags(data.window_flags);
+ win->setGeometry(q->geometry());
+
++ if (q->testAttribute(Qt::WA_TranslucentBackground)) {
++ QWindowFormat format = win->requestedWindowFormat();
++ format.setAlphaBufferSize(8);
++ win->setWindowFormat(format);
++ }
++
+ if (QWidget *nativeParent = q->nativeParentWidget()) {
+ if (nativeParent->windowHandle())
+ win->setParent(nativeParent->windowHandle());
+ }
+
+ win->create();
+
+ data.window_flags = win->windowFlags();
+
+ if (!surface ) {
+ if (win) {
+ surface = QGuiApplicationPrivate::platformIntegration()->createWindowSurface(win, win->winId());
+ q->setWindowSurface(surface);
+ } else {
+ q->setAttribute(Qt::WA_PaintOnScreen,true);
+ }
+ }
+
+ setWinId(win->winId());
+
+// first check children. and create them if necessary
+// q_createNativeChildrenAndSetParent(q->windowHandle(),q);
+
+ QGuiApplicationPrivate::platformIntegration()->moveToScreen(win, topData()->screenIndex);
+// qDebug() << "create_sys" << q << q->internalWinId();
+}
+
+void QWidget::destroy(bool destroyWindow, bool destroySubWindows)
+{
+ Q_D(QWidget);
+
+ if ((windowType() == Qt::Popup))
+ qApp->d_func()->closePopup(this);
+
+ //### we don't have proper focus event handling yet
+ if (this == QApplicationPrivate::active_window)
+ QApplication::setActiveWindow(0);
+
+ if (windowType() != Qt::Desktop) {
+ if (destroySubWindows) {
+ QObjectList childList(children());
+ for (int i = 0; i < childList.size(); i++) {
+ QWidget *widget = qobject_cast<QWidget *>(childList.at(i));
+ if (widget && widget->testAttribute(Qt::WA_NativeWindow)) {
+ if (widget->windowHandle()) {
+ widget->destroy();
+ }
+ }
+ }
+ }
+ if (destroyWindow) {
+ d->deleteTLSysExtra();
+ } else {
+ if (parentWidget() && parentWidget()->testAttribute(Qt::WA_WState_Created)) {
+ d->hide_sys();
+ }
+ }
+ }
+}
+
+void QWidgetPrivate::setParent_sys(QWidget *newparent, Qt::WindowFlags f)
+{
+ Q_Q(QWidget);
+
+ Qt::WindowFlags oldFlags = data.window_flags;
+
+ int targetScreen = -1;
+ // Handle a request to move the widget to a particular screen
+ if (newparent && newparent->windowType() == Qt::Desktop) {
+ // make sure the widget is created on the same screen as the
+ // programmer specified desktop widget
+
+ // get the desktop's screen number
+ targetScreen = newparent->window()->d_func()->topData()->screenIndex;
+ newparent = 0;
+ }
+
+ if (parent != newparent) {
+ QObjectPrivate::setParent_helper(newparent); //### why does this have to be done in the _sys function???
+ if (q->windowHandle()) {
+ q->windowHandle()->setWindowFlags(f);
+ QWidget *parentWithWindow =
+ newparent ? (newparent->windowHandle() ? newparent : newparent->nativeParentWidget()) : 0;
+ q->windowHandle()->setParent(parentWithWindow ? parentWithWindow->windowHandle() : 0);
+ }
+ }
+
+ if (!newparent) {
+ f |= Qt::Window;
+ if (targetScreen == -1) {
+ if (parent)
+ targetScreen = q->parentWidget()->window()->d_func()->topData()->screenIndex;
+ }
+ }
+
+ bool explicitlyHidden = q->testAttribute(Qt::WA_WState_Hidden) && q->testAttribute(Qt::WA_WState_ExplicitShowHide);
+
+ // Reparenting toplevel to child
+ if (!(f&Qt::Window) && (oldFlags&Qt::Window) && !q->testAttribute(Qt::WA_NativeWindow)) {
+ //qDebug() << "setParent_sys() change from toplevel";
+ q->destroy();
+ }
+
+ data.window_flags = f;
+ q->setAttribute(Qt::WA_WState_Created, false);
+ q->setAttribute(Qt::WA_WState_Visible, false);
+ q->setAttribute(Qt::WA_WState_Hidden, false);
+
+ if (q->isWindow() || (!newparent || newparent->isVisible()) || explicitlyHidden)
+ q->setAttribute(Qt::WA_WState_Hidden);
+ q->setAttribute(Qt::WA_WState_ExplicitShowHide, explicitlyHidden);
+
+ // move the window to the selected screen
+ if (!newparent && targetScreen != -1) {
+ if (maybeTopData())
+ maybeTopData()->screenIndex = targetScreen;
+ // only if it is already created
+ if (q->testAttribute(Qt::WA_WState_Created)) {
+ QPlatformIntegration *platform = QGuiApplicationPrivate::platformIntegration();
+ platform->moveToScreen(q->windowHandle(), targetScreen);
+ }
+ }
+}
+
+QPoint QWidget::mapToGlobal(const QPoint &pos) const
+{
+ int x=pos.x(), y=pos.y();
+ const QWidget* w = this;
+ while (w) {
+ x += w->data->crect.x();
+ y += w->data->crect.y();
+ w = w->isWindow() ? 0 : w->parentWidget();
+ }
+ return QPoint(x, y);
+}
+
+QPoint QWidget::mapFromGlobal(const QPoint &pos) const
+{
+ int x=pos.x(), y=pos.y();
+ const QWidget* w = this;
+ while (w) {
+ x -= w->data->crect.x();
+ y -= w->data->crect.y();
+ w = w->isWindow() ? 0 : w->parentWidget();
+ }
+ return QPoint(x, y);
+}
+
+void QWidgetPrivate::updateSystemBackground() {}
+
+#ifndef QT_NO_CURSOR
+void QWidgetPrivate::setCursor_sys(const QCursor &cursor)
+{
+ Q_UNUSED(cursor);
+ Q_Q(QWidget);
+ if (q->isVisible())
+ qt_qpa_set_cursor(q, false);
+}
+
+void QWidgetPrivate::unsetCursor_sys()
+{
+ Q_Q(QWidget);
+ if (q->isVisible())
+ qt_qpa_set_cursor(q, false);
+}
+
+void QWidgetPrivate::updateCursor() const
+{
+ // XXX
+}
+
+#endif //QT_NO_CURSOR
+
+void QWidgetPrivate::setWindowTitle_sys(const QString &caption)
+{
+ Q_Q(QWidget);
+ if (!q->isWindow())
+ return;
+
+ if (QWindow *window = q->windowHandle())
+ window->setWindowTitle(caption);
+
+}
+
+void QWidgetPrivate::setWindowIcon_sys(bool /*forceReset*/)
+{
+}
+
+void QWidgetPrivate::setWindowIconText_sys(const QString &iconText)
+{
+ Q_UNUSED(iconText);
+}
+
+QWidget *qt_pressGrab = 0;
+QWidget *qt_mouseGrb = 0;
+static QWidget *keyboardGrb = 0;
+
+void QWidget::grabMouse()
+{
+ if (qt_mouseGrb)
+ qt_mouseGrb->releaseMouse();
+
+ // XXX
+ //qwsDisplay()->grabMouse(this,true);
+
+ qt_mouseGrb = this;
+ qt_pressGrab = 0;
+}
+
+#ifndef QT_NO_CURSOR
+void QWidget::grabMouse(const QCursor &cursor)
+{
+ Q_UNUSED(cursor);
+
+ if (qt_mouseGrb)
+ qt_mouseGrb->releaseMouse();
+
+ // XXX
+ //qwsDisplay()->grabMouse(this,true);
+ //qwsDisplay()->selectCursor(this, cursor.handle());
+ qt_mouseGrb = this;
+ qt_pressGrab = 0;
+}
+#endif
+
+void QWidget::releaseMouse()
+{
+ if (qt_mouseGrb == this) {
+ // XXX
+ //qwsDisplay()->grabMouse(this,false);
+ qt_mouseGrb = 0;
+ }
+}
+
+void QWidget::grabKeyboard()
+{
+ if (keyboardGrb)
+ keyboardGrb->releaseKeyboard();
+ // XXX
+ //qwsDisplay()->grabKeyboard(this, true);
+ keyboardGrb = this;
+}
+
+void QWidget::releaseKeyboard()
+{
+ if (keyboardGrb == this) {
+ // XXX
+ //qwsDisplay()->grabKeyboard(this, false);
+ keyboardGrb = 0;
+ }
+}
+
+QWidget *QWidget::mouseGrabber()
+{
+ if (qt_mouseGrb)
+ return qt_mouseGrb;
+ return qt_pressGrab;
+}
+
+QWidget *QWidget::keyboardGrabber()
+{
+ return keyboardGrb;
+}
+
+void QWidget::activateWindow()
+{
+ if (windowHandle())
+ windowHandle()->requestActivateWindow();
+}
+
+void QWidgetPrivate::show_sys()
+{
+ Q_Q(QWidget);
+ q->setAttribute(Qt::WA_Mapped);
+ if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
+ invalidateBuffer(q->rect());
+ return;
+ }
+
+ QApplication::postEvent(q, new QUpdateLaterEvent(q->rect()));
+
+ if (!q->isWindow() && !q->testAttribute(Qt::WA_NativeWindow))
+ return;
+
+ QWindow *window = q->windowHandle();
+ if (window) {
+ QRect geomRect = q->geometry();
+ if (!q->isWindow()) {
+ QPoint topLeftOfWindow = q->mapTo(q->nativeParentWidget(),QPoint());
+ geomRect.moveTopLeft(topLeftOfWindow);
+ }
+ const QRect windowRect = window->geometry();
+ if (windowRect != geomRect) {
+ window->setGeometry(geomRect);
+ }
+ if (QWindowSurface *surface = q->windowSurface()) {
+ if (windowRect.size() != geomRect.size()) {
+ surface->resize(geomRect.size());
+ }
+ }
++
+ if (window)
+ window->setVisible(true);
+ }
+}
+
+
+void QWidgetPrivate::hide_sys()
+{
+ Q_Q(QWidget);
+ q->setAttribute(Qt::WA_Mapped, false);
+ if (!q->isWindow()) {
+ QWidget *p = q->parentWidget();
+ if (p &&p->isVisible()) {
+ invalidateBuffer(q->rect());
+ }
+ return;
+ }
+ if (QWindow *window = q->windowHandle()) {
+ window->setVisible(false);
+ }
+
+ //### we don't yet have proper focus event handling
+ if (q == QApplicationPrivate::active_window)
+ QApplication::setActiveWindow(0);
+
+}
+
+void QWidgetPrivate::setMaxWindowState_helper()
+{
+ setFullScreenSize_helper(); //### decoration size
+}
+
+void QWidgetPrivate::setFullScreenSize_helper()
+{
+ Q_Q(QWidget);
+
+ const uint old_state = data.in_set_window_state;
+ data.in_set_window_state = 1;
+
+ const QRect screen = qApp->desktop()->screenGeometry(qApp->desktop()->screenNumber(q));
+ q->move(screen.topLeft());
+ q->resize(screen.size());
+
+ data.in_set_window_state = old_state;
+}
+
+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;
+ return Qt::WindowNoState;
+ }
+
+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) { //normal
+ d->topData()->normalGeometry = geometry();
+ } else if (oldEffectiveState == Qt::WindowFullScreen) {
+ setParent(0, d->topData()->savedFlags);
+ needShow = true;
+ } else if (oldEffectiveState == Qt::WindowMinimized) {
+ needShow = true;
+ }
+
+ Q_ASSERT(windowHandle());
+ windowHandle()->setWindowState(newEffectiveState);
+ bool supported = windowHandle()->windowState() == newEffectiveState;
+
+ if (!supported) {
+ // emulate the 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;
+
+ if (q->isVisible()) {
+ if (q->windowHandle()) {
+ if (q->isWindow()) {
+ 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->windowSurface) {
+ if (isResize)
+ bs->windowSurface->resize(r.size());
+ }
+ } 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);
+
+ QPlatformScreen *screen = QPlatformScreen::platformScreenForWindow(windowHandle());
+ 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 || m == PdmPhysicalDpiX) {
+ 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->geometry().width() / double(screen->physicalSize().width() / 25.4));
+ } else if (m == PdmDpiY || m == PdmPhysicalDpiY) {
+ 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->geometry().height() / double(screen->physicalSize().height() / 25.4));
+ } 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 && extra->window)
+ return extra->window;
+
+ return 0;
+}
+
+void QWidgetPrivate::createSysExtra()
+{
+}
+
+void QWidgetPrivate::deleteSysExtra()
+{
+
+}
+
+void QWidgetPrivate::createTLSysExtra()
+{
+ Q_Q(QWidget);
+ extra->topextra->screenIndex = 0;
+ 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 qplatformglcontext.
+ //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; //##### @@@
+}
+
+QWindowSurface *QWidgetPrivate::createDefaultWindowSurface_sys()
+{
+ //This function should not be called.
+ Q_ASSERT(false);
+ return 0;
+}
+
+void QWidgetPrivate::setModal_sys()
+{
+ Q_Q(QWidget);
+ if (q->windowHandle())
+ q->windowHandle()->setWindowModality(q->windowModality());
+}
+
+#ifndef QT_NO_CURSOR
+void qt_qpa_set_cursor(QWidget * w, bool force)
+{
+ static QCursor arrowCursor(Qt::ArrowCursor);
+ static QPointer<QWidget> lastUnderMouse = 0;
+
+ QCursor * override = QApplication::overrideCursor();
+
+ if (override && w != 0)
+ return;
+
+ QWidget *cursorWidget;
+ QCursor cursorCursor;
+
+ do {
+ if (w == 0) {
+ if (override) {
+ cursorCursor = *override;
+ cursorWidget = QApplication::topLevelAt(QCursor::pos());
+ break;
+ }
+ w = QApplication::widgetAt(QCursor::pos());
+ if (w == 0) // clear the override cursor while over empty space
+ w = QApplication::desktop();
+ } else if (force) {
+ lastUnderMouse = w;
+ } else if (w->testAttribute(Qt::WA_WState_Created) && lastUnderMouse
+ && lastUnderMouse->effectiveWinId() == w->effectiveWinId()) {
+ w = lastUnderMouse;
+ }
+ if (w == QApplication::desktop() && !override) {
+ cursorCursor = arrowCursor;
+ cursorWidget = w;
+ break;
+ }
+
+ QWidget * curWin = QApplication::activeWindow();
+ if (!curWin && w && w->internalWinId())
+ return;
+ QWidget* cW = w && !w->internalWinId() ? w : curWin;
+
+ if (!cW || cW->window() != w->window() ||
+ !cW->isVisible() || !cW->underMouse() || override)
+ return;
+
+ cursorCursor = w->cursor();
+ cursorWidget = w;
+ } while (0);
+ foreach (QWeakPointer<QPlatformCursor> cursor, QPlatformCursorPrivate::getInstances())
+ if (cursor)
+ cursor.data()->changeCursor(&cursorCursor, cursorWidget->windowHandle());
+}
+#endif //QT_NO_CURSOR
+
+QT_END_NAMESPACE