diff options
Diffstat (limited to 'src/gui/kernel/qshapedpixmapdndwindow.cpp')
-rw-r--r-- | src/gui/kernel/qshapedpixmapdndwindow.cpp | 72 |
1 files changed, 30 insertions, 42 deletions
diff --git a/src/gui/kernel/qshapedpixmapdndwindow.cpp b/src/gui/kernel/qshapedpixmapdndwindow.cpp index 2cfbc4caa4..40bf15b807 100644 --- a/src/gui/kernel/qshapedpixmapdndwindow.cpp +++ b/src/gui/kernel/qshapedpixmapdndwindow.cpp @@ -48,52 +48,31 @@ QT_BEGIN_NAMESPACE QShapedPixmapWindow::QShapedPixmapWindow(QScreen *screen) - : QWindow(screen), - m_backingStore(0), - m_useCompositing(true) + : m_useCompositing(true) { + setScreen(screen); QSurfaceFormat format; format.setAlphaBufferSize(8); setFormat(format); - setSurfaceType(RasterSurface); - setFlags(Qt::ToolTip | Qt::FramelessWindowHint | - Qt::X11BypassWindowManagerHint | Qt::WindowTransparentForInput | Qt::WindowDoesNotAcceptFocus); - create(); - m_backingStore = new QBackingStore(this); + setFlags(Qt::ToolTip | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint + | Qt::WindowTransparentForInput | Qt::WindowDoesNotAcceptFocus); } QShapedPixmapWindow::~QShapedPixmapWindow() { - delete m_backingStore; - m_backingStore = 0; -} - -void QShapedPixmapWindow::render() -{ - QRect rect(QPoint(), geometry().size()); - - m_backingStore->beginPaint(rect); - - QPaintDevice *device = m_backingStore->paintDevice(); - - { - QPainter p(device); - if (m_useCompositing) - p.setCompositionMode(QPainter::CompositionMode_Source); - else - p.fillRect(rect, QGuiApplication::palette().base()); - p.drawPixmap(0, 0, m_pixmap); - } - - m_backingStore->endPaint(); - m_backingStore->flush(rect); } void QShapedPixmapWindow::setPixmap(const QPixmap &pixmap) { m_pixmap = pixmap; - if (!m_useCompositing) - setMask(m_pixmap.mask()); + if (!m_useCompositing) { + const QBitmap mask = m_pixmap.mask(); + if (!mask.isNull()) { + if (!handle()) + create(); + setMask(mask); + } + } } void QShapedPixmapWindow::setHotspot(const QPoint &hotspot) @@ -101,19 +80,28 @@ void QShapedPixmapWindow::setHotspot(const QPoint &hotspot) m_hotSpot = hotspot; } -void QShapedPixmapWindow::updateGeometry(const QPoint &pos) +void QShapedPixmapWindow::paintEvent(QPaintEvent *) { - if (m_pixmap.isNull()) - m_backingStore->resize(QSize(1,1)); - else if (m_backingStore->size() != m_pixmap.size()) - m_backingStore->resize(m_pixmap.size()); - - setGeometry(QRect(pos - m_hotSpot, m_backingStore->size())); + if (!m_pixmap.isNull()) { + const QRect rect(QPoint(0, 0), size()); + QPainter painter(this); + if (m_useCompositing) + painter.setCompositionMode(QPainter::CompositionMode_Source); + else + painter.fillRect(rect, QGuiApplication::palette().base()); + painter.drawPixmap(rect, m_pixmap); + } } -void QShapedPixmapWindow::exposeEvent(QExposeEvent *) +void QShapedPixmapWindow::updateGeometry(const QPoint &pos) { - render(); + QSize size(1, 1); + if (!m_pixmap.isNull()) { + size = qFuzzyCompare(m_pixmap.devicePixelRatio(), 1.0) + ? m_pixmap.size() + : (QSizeF(m_pixmap.size()) / m_pixmap.devicePixelRatio()).toSize(); + } + setGeometry(QRect(pos - m_hotSpot, size)); } QT_END_NAMESPACE |