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Diffstat (limited to 'src/widgets/kernel/qwidget_qpa.cpp')
| -rw-r--r-- | src/widgets/kernel/qwidget_qpa.cpp | 925 |
1 files changed, 925 insertions, 0 deletions
diff --git a/src/widgets/kernel/qwidget_qpa.cpp b/src/widgets/kernel/qwidget_qpa.cpp new file mode 100644 index 0000000000..507cb11fff --- /dev/null +++ b/src/widgets/kernel/qwidget_qpa.cpp @@ -0,0 +1,925 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "QtWidgets/qwidget.h" +#include "QtGui/qevent.h" +#include "QtWidgets/qapplication.h" +#include "private/qwidgetbackingstore_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/qsurfaceformat.h" +#include "QtGui/qplatformglcontext_qpa.h" +#include "QtGui/private/qwindow_p.h" + +#include <QtGui/QPlatformCursor> +#include <QtGui/QGuiApplication> +#include <QtGui/QScreen> + +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()) { + if (childWidget->isTopLevel()) + childWidget->windowHandle()->setTransientParent(parentWindow); + else + 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()) + 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->setWindowFlags(data.window_flags); + win->setGeometry(q->geometry()); + 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()); + } + } + } + + win->create(); + + data.window_flags = win->windowFlags(); + + QBackingStore *store = q->backingStore(); + + if (!store) { + if (win) + q->setBackingStore(new QBackingStore(win)); + else + q->setAttribute(Qt::WA_PaintOnScreen, true); + } + + setWinId(win->winId()); + +// first check children. and create them if necessary +// q_createNativeChildrenAndSetParent(q->windowHandle(),q); + +// qDebug() << "create_sys" << q << q->internalWinId(); +} + +void QWidget::destroy(bool destroyWindow, bool destroySubWindows) +{ + Q_D(QWidget); + + d->aboutToDestroy(); + if (!isWindow() && parentWidget()) + parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry())); + d->deactivateWidgetCleanup(); + + if ((windowType() == Qt::Popup)) + qApp->d_func()->closePopup(this); + + if (this == QApplicationPrivate::active_window) + QApplication::setActiveWindow(0); + + setAttribute(Qt::WA_WState_Created, false); + + 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(); + } + } + + d->setWinId(0); + } +} + +void QWidgetPrivate::setParent_sys(QWidget *newparent, Qt::WindowFlags f) +{ + Q_Q(QWidget); + + Qt::WindowFlags oldFlags = data.window_flags; + bool wasCreated = q->testAttribute(Qt::WA_WState_Created); + + 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; + } + + setWinId(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; + if (parentWithWindow) { + if (f & Qt::Window) { + q->windowHandle()->setTransientParent(parentWithWindow->windowHandle()); + q->windowHandle()->setParent(0); + } else { + q->windowHandle()->setTransientParent(0); + q->windowHandle()->setParent(parentWithWindow->windowHandle()); + } + } else { + q->windowHandle()->setTransientParent(0); + q->windowHandle()->setParent(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(); + } else if (newparent && wasCreated) { + q->createWinId(); + } + + adjustFlags(f, q); + 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)) { + q->windowHandle()->setScreen(QGuiApplication::screens().value(targetScreen, 0)); + } + } +} + +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); + qt_qpa_set_cursor(q, false); +} + +void QWidgetPrivate::unsetCursor_sys() +{ + Q_Q(QWidget); + qt_qpa_set_cursor(q, false); +} + +#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(); + + if (windowHandle()) + windowHandle()->setMouseGrabEnabled(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(); + + if (windowHandle()) + windowHandle()->setMouseGrabEnabled(true); + + qt_mouseGrb = this; + qt_pressGrab = 0; +} +#endif + +bool QWidgetPrivate::stealMouseGrab(bool grab) +{ + // This is like a combination of grab/releaseMouse() but with error checking + // and it has no effect on the result of mouseGrabber(). + Q_Q(QWidget); + return q->windowHandle() ? q->windowHandle()->setMouseGrabEnabled(grab) : false; +} + +void QWidget::releaseMouse() +{ + if (qt_mouseGrb == this) { + if (windowHandle()) + windowHandle()->setMouseGrabEnabled(false); + qt_mouseGrb = 0; + } +} + +void QWidget::grabKeyboard() +{ + if (keyboardGrb) + keyboardGrb->releaseKeyboard(); + if (windowHandle()) + windowHandle()->setKeyboardGrabEnabled(true); + keyboardGrb = this; +} + +bool QWidgetPrivate::stealKeyboardGrab(bool grab) +{ + // This is like a combination of grab/releaseKeyboard() but with error + // checking and it has no effect on the result of keyboardGrabber(). + Q_Q(QWidget); + return q->windowHandle() ? q->windowHandle()->setKeyboardGrabEnabled(grab) : false; +} + +void QWidget::releaseKeyboard() +{ + if (keyboardGrb == this) { + if (windowHandle()) + windowHandle()->setKeyboardGrabEnabled(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 (QBackingStore *store = q->backingStore()) { + if (store->size() != geomRect.size()) { + store->resize(geomRect.size()); + } + } + + invalidateBuffer(q->rect()); + + if (window) + window->setVisible(true); + } +} + + +void QWidgetPrivate::hide_sys() +{ + Q_Q(QWidget); + q->setAttribute(Qt::WA_Mapped, false); + deactivateWidgetCleanup(); + if (!q->isWindow()) { + QWidget *p = q->parentWidget(); + if (p &&p->isVisible()) { + invalidateBuffer(q->rect()); + } + return; + } + if (QWindow *window = q->windowHandle()) { + window->setVisible(false); + } +} + +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; + + 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()) { + 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); + + QPlatformScreen *screen = 0; + if (QWidget *topLevel = window()) + if (QWindow *topLevelWindow = topLevel->windowHandle()) + screen = QPlatformScreen::platformScreenForWindow(topLevelWindow); + if (!screen && QGuiApplication::primaryScreen()) + screen = QGuiApplication::primaryScreen()->handle(); + + 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) + 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 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; //##### @@@ +} + +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 |