diff options
author | Alexander Volkov <a.volkov@rusbitech.ru> | 2015-04-13 14:13:34 +0300 |
---|---|---|
committer | Alexander Volkov <a.volkov@rusbitech.ru> | 2015-10-14 18:41:19 +0000 |
commit | e9121328866efa6ba3eb78a991fef785338fd55e (patch) | |
tree | a02ee5eba3d263dccc2d81ad2f6343b302070d1d /src/gui/kernel | |
parent | 4b9cdf90ca4299ffd4ec602571944ace10ef9cdc (diff) |
xcb: Use XShape for DnD when a compositing manager is not running
Otherwise transparent areas of the drag'n'drop pixmap are painted
with the black color.
Task-number: QTBUG-45193
Change-Id: I55b7c7caababe13584fa1c7a52835f112e20f920
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Diffstat (limited to 'src/gui/kernel')
-rw-r--r-- | src/gui/kernel/qshapedpixmapdndwindow.cpp | 13 | ||||
-rw-r--r-- | src/gui/kernel/qshapedpixmapdndwindow_p.h | 2 | ||||
-rw-r--r-- | src/gui/kernel/qsimpledrag.cpp | 3 | ||||
-rw-r--r-- | src/gui/kernel/qsimpledrag_p.h | 4 |
4 files changed, 19 insertions, 3 deletions
diff --git a/src/gui/kernel/qshapedpixmapdndwindow.cpp b/src/gui/kernel/qshapedpixmapdndwindow.cpp index 5736c41e25..d77b6dc262 100644 --- a/src/gui/kernel/qshapedpixmapdndwindow.cpp +++ b/src/gui/kernel/qshapedpixmapdndwindow.cpp @@ -35,12 +35,16 @@ #include <QtGui/QPainter> #include <QtGui/QCursor> +#include <QtGui/QGuiApplication> +#include <QtGui/QPalette> +#include <QtGui/QBitmap> QT_BEGIN_NAMESPACE QShapedPixmapWindow::QShapedPixmapWindow(QScreen *screen) : QWindow(screen), - m_backingStore(0) + m_backingStore(0), + m_useCompositing(true) { QSurfaceFormat format; format.setAlphaBufferSize(8); @@ -68,7 +72,10 @@ void QShapedPixmapWindow::render() { QPainter p(device); - p.setCompositionMode(QPainter::CompositionMode_Source); + if (m_useCompositing) + p.setCompositionMode(QPainter::CompositionMode_Source); + else + p.fillRect(rect, QGuiApplication::palette().base()); p.drawPixmap(0, 0, m_pixmap); } @@ -79,6 +86,8 @@ void QShapedPixmapWindow::render() void QShapedPixmapWindow::setPixmap(const QPixmap &pixmap) { m_pixmap = pixmap; + if (!m_useCompositing) + setMask(m_pixmap.mask()); } void QShapedPixmapWindow::setHotspot(const QPoint &hotspot) diff --git a/src/gui/kernel/qshapedpixmapdndwindow_p.h b/src/gui/kernel/qshapedpixmapdndwindow_p.h index 7536c09165..3d7974fa82 100644 --- a/src/gui/kernel/qshapedpixmapdndwindow_p.h +++ b/src/gui/kernel/qshapedpixmapdndwindow_p.h @@ -60,6 +60,7 @@ public: void render(); + void setUseCompositing(bool on) { m_useCompositing = on; } void setPixmap(const QPixmap &pixmap); void setHotspot(const QPoint &hotspot); @@ -72,6 +73,7 @@ private: QBackingStore *m_backingStore; QPixmap m_pixmap; QPoint m_hotSpot; + bool m_useCompositing; }; QT_END_NAMESPACE diff --git a/src/gui/kernel/qsimpledrag.cpp b/src/gui/kernel/qsimpledrag.cpp index 6acac4cade..9f38c9b78a 100644 --- a/src/gui/kernel/qsimpledrag.cpp +++ b/src/gui/kernel/qsimpledrag.cpp @@ -88,7 +88,7 @@ static QWindow* topLevelAt(const QPoint &pos) QBasicDrag::QBasicDrag() : m_restoreCursor(false), m_eventLoop(0), m_executed_drop_action(Qt::IgnoreAction), m_can_drop(false), - m_drag(0), m_drag_icon_window(0) + m_drag(0), m_drag_icon_window(0), m_useCompositing(true) { } @@ -226,6 +226,7 @@ void QBasicDrag::recreateShapedPixmapWindow(QScreen *screen, const QPoint &pos) // when QDrag is used without a pixmap - QDrag::setPixmap() m_drag_icon_window = new QShapedPixmapWindow(screen); + m_drag_icon_window->setUseCompositing(m_useCompositing); m_drag_icon_window->setPixmap(m_drag->pixmap()); m_drag_icon_window->setHotspot(m_drag->hotSpot()); m_drag_icon_window->updateGeometry(pos); diff --git a/src/gui/kernel/qsimpledrag_p.h b/src/gui/kernel/qsimpledrag_p.h index 4c9edbae05..055136c436 100644 --- a/src/gui/kernel/qsimpledrag_p.h +++ b/src/gui/kernel/qsimpledrag_p.h @@ -87,6 +87,9 @@ protected: bool canDrop() const { return m_can_drop; } void setCanDrop(bool c) { m_can_drop = c; } + bool useCompositing() const { return m_useCompositing; } + void setUseCompositing(bool on) { m_useCompositing = on; } + Qt::DropAction executedDropAction() const { return m_executed_drop_action; } void setExecutedDropAction(Qt::DropAction da) { m_executed_drop_action = da; } @@ -104,6 +107,7 @@ private: bool m_can_drop; QDrag *m_drag; QShapedPixmapWindow *m_drag_icon_window; + bool m_useCompositing; }; class Q_GUI_EXPORT QSimpleDrag : public QBasicDrag |