void QWidget::setMask(const QRegion& region)
{
Q_D(QWidget);
d->createExtra();
if (region == d->extra->mask)
return;
QRegion parentR;
if (!isWindow())
parentR = d->extra->mask.isEmpty() ? QRegion(rect()) : d->extra->mask ;
d->extra->mask = region;
if (isVisible()) {
if (isWindow()) {
d->data.fstrut_dirty = true;
d->invalidateBuffer(rect());
QWindowSurface *surface = d->extra->topextra->backingStore->windowSurface;
if (surface) {
// QWSWindowSurface::setGeometry() returns without doing anything
// if old geom == new geom. Therefore, we need to reset the old value.
surface->QWindowSurface::setGeometry(QRect());
surface->setGeometry(frameGeometry());
}
} else {
parentR += d->extra->mask;
parentWidget()->update(parentR.translated(geometry().topLeft()));
update();
}
}
}
void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event)
{
QWindowSurface *surface = widget()->windowSurface();
if (surface) {
QRect rect(event->x, event->y, event->width, event->height);
surface->flush(widget(), rect, QPoint());
}
}
void QWidgetPrivate::setMask_sys(const QRegion ®ion)
{
Q_UNUSED(region);
Q_Q(QWidget);
if (!q->isVisible() || !q->isWindow())
return;
data.fstrut_dirty = true;
invalidateBuffer(q->rect());
QWindowSurface *surface = extra->topextra->backingStore->windowSurface;
if (surface) {
// QWSWindowSurface::setGeometry() returns without doing anything
// if old geom == new geom. Therefore, we need to reset the old value.
surface->QWindowSurface::setGeometry(QRect());
surface->setGeometry(q->frameGeometry());
}
}
void tst_QWindowSurface::flushOutsidePaintEvent()
{
#ifdef Q_WS_X11
if (QX11Info::isCompositingManagerRunning())
QSKIP("Test is unreliable with composition manager", SkipAll);
#endif
#ifdef Q_WS_WIN
if (QSysInfo::WindowsVersion & QSysInfo::WV_VISTA) {
QTest::qWait(1000);
}
#endif
ColorWidget w(0, Qt::red);
w.setGeometry(10, 100, 50, 50);
// prevent custom styles from messing up the background
w.setStyle(new QWindowsStyle);
w.show();
QTest::qWaitForWindowShown(&w);
QApplication::processEvents();
#if defined(Q_WS_QWS)
QApplication::sendPostedEvents(); //for the glib event loop
#elif defined(Q_WS_S60)
QTest::qWait(5000);
#endif
VERIFY_COLOR(w.geometry(), w.color);
w.reset();
// trigger a paintEvent() the next time the event loop is entered
w.update();
// draw a black rectangle inside the widget
QWindowSurface *surface = w.windowSurface();
QVERIFY(surface);
const QRect rect = surface->rect(&w);
surface->beginPaint(rect);
QImage *img = surface->buffer(&w);
if (img) {
QPainter p(img);
p.fillRect(QRect(QPoint(),img->size()), Qt::black);
}
surface->endPaint(rect);
surface->flush(&w, rect, QPoint());
#ifdef Q_WS_QWS
VERIFY_COLOR(w.geometry(), Qt::black);
#endif
// the paintEvent() should overwrite the painted rectangle
QApplication::processEvents();
#if defined(Q_WS_QWS)
QSKIP("task 176755", SkipAll);
#endif
VERIFY_COLOR(w.geometry(), w.color);
QCOMPARE(QRegion(w.rect()), w.r);
w.reset();
}
void WindowSurfaceImpl::updateSurfaceData()
{
// If painting is active, i.e. beginPaint has been called
// surface data is not updated
if(mPaintingStarted)
{
return;
}
QWindowSurface* surface = mMainSurface.widget->windowSurface();
// If window surface is null it means that the widget has been
// sent to background and widget's window surface has been deleted,
// in such case create own QImage as local surface in order to support
// rendering in background
if(surface == NULL)
{
// check if we already have local surface with valid size
if(!isLocalSurfaceValid())
{
// incase we have invalid surface delete the current one
// and create new
if(mMainSurface.localSurfaceInUse)
{
deleteLocalSurface();
}
createLocalSurface();
// set info
mMainSurface.qSurface = NULL;
mMainSurface.device = mMainSurface.localSurface;
mMainSurface.type = WsTypeQtImage;
mMainSurface.localSurfaceInUse = true;
return;
}
else
{
// We have valid local surface so make sure its active and return
mMainSurface.localSurfaceInUse = true;
return;
}
}
else
{
// We got Qt's window surface, so in case we had local surface in use
// delete it as it's not used anymore
if(mMainSurface.localSurfaceInUse)
{
// in case we have needed the local surface as temp
// buffer for a client, it is not deleted as we most likely
// will need it again. In any case the local surface
// stops to be the main surface and is atleast demoted to
// temp surface.
if(!mPreserveLocalSurface)
{
deleteLocalSurface();
}
}
}
// We got window surface so extract information
QPaintDevice* device = surface->paintDevice();
QPaintEngine* engine = NULL;
// If the device is active it means that some painter is attached to the widget,
// if not then we attach our own painter to do the job
if(device->paintingActive())
{
engine = device->paintEngine();
}
else
{
mPainter.begin(device);
engine = mPainter.paintEngine();
}
// determine the surface type based on the engine used
// as Qt does not provide exact info of the surface type
switch (engine->type())
{
case QPaintEngine::OpenVG:
// surface is EGL window surface
mMainSurface.type = WsTypeEglSurface;
break;
case QPaintEngine::Raster:
mMainSurface.type = WsTypeSymbianBitmap;
if(device->devType() == QInternal::Pixmap)
{
QPixmap* pixmap = static_cast<QPixmap*>(device);
mMainSurface.symbianBitmap = pixmap->toSymbianCFbsBitmap();
}
else
{
throw GfxException(EGfxErrorIllegalArgument, "Unsupported device type");
}
break;
default:
throw GfxException(EGfxErrorIllegalArgument, "Unsupported widget window surface type");
}
// release painter if its active
if(mPainter.isActive())
{
mPainter.end();
}
mMainSurface.qSurface = surface;
mMainSurface.device = device;
mMainSurface.localSurfaceInUse = false;
}
/*!
Synchronizes the backing store, i.e. dirty areas are repainted and flushed.
*/
void QWidgetBackingStore::sync()
{
QTLWExtra *tlwExtra = tlw->d_func()->maybeTopData();
if (discardSyncRequest(tlw, tlwExtra)) {
// If the top-level is minimized, it's not visible on the screen so we can delay the
// update until it's shown again. In order to do that we must keep the dirty states.
// These will be cleared when we receive the first expose after showNormal().
// However, if the widget is not visible (isVisible() returns false), everything will
// be invalidated once the widget is shown again, so clear all dirty states.
if (!tlw->isVisible()) {
dirty = QRegion();
for (int i = 0; i < dirtyWidgets.size(); ++i)
resetWidget(dirtyWidgets.at(i));
dirtyWidgets.clear();
fullUpdatePending = false;
}
return;
}
const bool updatesDisabled = !tlw->updatesEnabled();
bool repaintAllWidgets = false;
const bool inTopLevelResize = tlwExtra->inTopLevelResize;
const QRect tlwRect(tlw->data->crect);
const QRect surfaceGeometry(windowSurface->geometry());
if ((fullUpdatePending || inTopLevelResize || surfaceGeometry.size() != tlwRect.size()) && !updatesDisabled) {
if (hasStaticContents()) {
// Repaint existing dirty area and newly visible area.
const QRect clipRect(0, 0, surfaceGeometry.width(), surfaceGeometry.height());
const QRegion staticRegion(staticContents(0, clipRect));
QRegion newVisible(0, 0, tlwRect.width(), tlwRect.height());
newVisible -= staticRegion;
dirty += newVisible;
windowSurface->setStaticContents(staticRegion);
} else {
// Repaint everything.
dirty = QRegion(0, 0, tlwRect.width(), tlwRect.height());
for (int i = 0; i < dirtyWidgets.size(); ++i)
resetWidget(dirtyWidgets.at(i));
dirtyWidgets.clear();
repaintAllWidgets = true;
}
}
if (inTopLevelResize || surfaceGeometry != tlwRect)
windowSurface->setGeometry(tlwRect);
if (updatesDisabled)
return;
if (hasDirtyFromPreviousSync)
dirty += dirtyFromPreviousSync;
// Contains everything that needs repaint.
QRegion toClean(dirty);
// Loop through all update() widgets and remove them from the list before they are
// painted (in case someone calls update() in paintEvent). If the widget is opaque
// and does not have transparent overlapping siblings, append it to the
// opaqueNonOverlappedWidgets list and paint it directly without composition.
QVarLengthArray<QWidget *, 32> opaqueNonOverlappedWidgets;
for (int i = 0; i < dirtyWidgets.size(); ++i) {
QWidget *w = dirtyWidgets.at(i);
QWidgetPrivate *wd = w->d_func();
if (wd->data.in_destructor)
continue;
// Clip with mask() and clipRect().
wd->dirty &= wd->clipRect();
wd->clipToEffectiveMask(wd->dirty);
// Subtract opaque siblings and children.
bool hasDirtySiblingsAbove = false;
// We know for sure that the widget isn't overlapped if 'isMoved' is true.
if (!wd->isMoved)
wd->subtractOpaqueSiblings(wd->dirty, &hasDirtySiblingsAbove);
// Scrolled and moved widgets must draw all children.
if (!wd->isScrolled && !wd->isMoved)
wd->subtractOpaqueChildren(wd->dirty, w->rect());
if (wd->dirty.isEmpty()) {
resetWidget(w);
continue;
}
const QRegion widgetDirty(w != tlw ? wd->dirty.translated(w->mapTo(tlw, QPoint()))
: wd->dirty);
toClean += widgetDirty;
#ifndef QT_NO_GRAPHICSVIEW
if (tlw->d_func()->extra->proxyWidget) {
resetWidget(w);
continue;
}
#endif
if (!hasDirtySiblingsAbove && wd->isOpaque && !dirty.intersects(widgetDirty.boundingRect())) {
opaqueNonOverlappedWidgets.append(w);
} else {
resetWidget(w);
dirty += widgetDirty;
}
}
dirtyWidgets.clear();
fullUpdatePending = false;
if (toClean.isEmpty()) {
// Nothing to repaint. However, we might have newly exposed areas on the
// screen if this function was called from sync(QWidget *, QRegion)), so
// we have to make sure those are flushed.
flush();
return;
}
#ifndef QT_NO_GRAPHICSVIEW
if (tlw->d_func()->extra->proxyWidget) {
updateStaticContentsSize();
dirty = QRegion();
const QVector<QRect> rects(toClean.rects());
for (int i = 0; i < rects.size(); ++i)
tlw->d_func()->extra->proxyWidget->update(rects.at(i));
return;
}
#endif
#ifndef Q_BACKINGSTORE_SUBSURFACES
BeginPaintInfo beginPaintInfo;
beginPaint(toClean, tlw, windowSurface, &beginPaintInfo);
if (beginPaintInfo.nothingToPaint) {
for (int i = 0; i < opaqueNonOverlappedWidgets.size(); ++i)
resetWidget(opaqueNonOverlappedWidgets[i]);
dirty = QRegion();
return;
}
#endif
// Must do this before sending any paint events because
// the size may change in the paint event.
updateStaticContentsSize();
const QRegion dirtyCopy(dirty);
dirty = QRegion();
// Paint opaque non overlapped widgets.
for (int i = 0; i < opaqueNonOverlappedWidgets.size(); ++i) {
QWidget *w = opaqueNonOverlappedWidgets[i];
QWidgetPrivate *wd = w->d_func();
int flags = QWidgetPrivate::DrawRecursive;
// Scrolled and moved widgets must draw all children.
if (!wd->isScrolled && !wd->isMoved)
flags |= QWidgetPrivate::DontDrawOpaqueChildren;
if (w == tlw)
flags |= QWidgetPrivate::DrawAsRoot;
QRegion toBePainted(wd->dirty);
resetWidget(w);
#ifdef Q_BACKINGSTORE_SUBSURFACES
QWindowSurface *subSurface = w->windowSurface();
BeginPaintInfo beginPaintInfo;
QPoint off = w->mapTo(tlw, QPoint());
toBePainted.translate(off);
beginPaint(toBePainted, w, subSurface, &beginPaintInfo, true);
toBePainted.translate(-off);
if (beginPaintInfo.nothingToPaint)
continue;
if (beginPaintInfo.windowSurfaceRecreated) {
// Eep the window surface has changed. The old one may have been
// deleted, in which case we will segfault on the call to
// painterOffset() below. Use the new window surface instead.
subSurface = w->windowSurface();
}
QPoint offset(tlwOffset);
if (subSurface == windowSurface)
offset += w->mapTo(tlw, QPoint());
else
offset = static_cast<QWSWindowSurface*>(subSurface)->painterOffset();
wd->drawWidget(subSurface->paintDevice(), toBePainted, offset, flags, 0, this);
endPaint(toBePainted, subSurface, &beginPaintInfo);
#else
QPoint offset(tlwOffset);
if (w != tlw)
offset += w->mapTo(tlw, QPoint());
wd->drawWidget(windowSurface->paintDevice(), toBePainted, offset, flags, 0, this);
#endif
}
// Paint the rest with composition.
#ifndef Q_BACKINGSTORE_SUBSURFACES
if (repaintAllWidgets || !dirtyCopy.isEmpty()) {
const int flags = QWidgetPrivate::DrawAsRoot | QWidgetPrivate::DrawRecursive;
tlw->d_func()->drawWidget(windowSurface->paintDevice(), dirtyCopy, tlwOffset, flags, 0, this);
}
endPaint(toClean, windowSurface, &beginPaintInfo);
#else
if (!repaintAllWidgets && dirtyCopy.isEmpty())
return; // Nothing more to paint.
QList<QWindowSurface *> surfaceList(subSurfaces);
surfaceList.prepend(windowSurface);
const QRect dirtyBoundingRect(dirtyCopy.boundingRect());
// Loop through all window surfaces (incl. the top-level surface) and
// repaint those intersecting with the bounding rect of the dirty region.
for (int i = 0; i < surfaceList.size(); ++i) {
QWindowSurface *subSurface = surfaceList.at(i);
QWidget *w = subSurface->window();
QWidgetPrivate *wd = w->d_func();
const QRect clipRect = wd->clipRect().translated(w->mapTo(tlw, QPoint()));
if (!qRectIntersects(dirtyBoundingRect, clipRect))
continue;
toClean = dirtyCopy;
BeginPaintInfo beginPaintInfo;
beginPaint(toClean, w, subSurface, &beginPaintInfo);
if (beginPaintInfo.nothingToPaint)
continue;
if (beginPaintInfo.windowSurfaceRecreated) {
// Eep the window surface has changed. The old one may have been
// deleted, in which case we will segfault on the call to
// painterOffset() below. Use the new window surface instead.
subSurface = w->windowSurface();
}
int flags = QWidgetPrivate::DrawRecursive;
if (w == tlw)
flags |= QWidgetPrivate::DrawAsRoot;
const QPoint painterOffset = static_cast<QWSWindowSurface*>(subSurface)->painterOffset();
wd->drawWidget(subSurface->paintDevice(), toClean, painterOffset, flags, 0, this);
endPaint(toClean, subSurface, &beginPaintInfo);
}
#endif
}