QWindowsOleDropSource Class Reference

Implementation of IDropSource. More...

Inheritance diagram for QWindowsOleDropSource:

Collaboration diagram for QWindowsOleDropSource:

Public Types
enum	Mode { MouseDrag , TouchDrag }

Public Member Functions
	QWindowsOleDropSource (QWindowsDrag *drag)
	~QWindowsOleDropSource () override
void	createCursors ()
	Blend custom pixmap with cursors.
STDMETHOD	QueryContinueDrag (BOOL fEscapePressed, DWORD grfKeyState) override
	Check for cancel.
STDMETHOD	GiveFeedback (DWORD dwEffect) override
	Give feedback: Change cursor according to action.

Friends
QDebug	operator<< (QDebug, const QWindowsOleDropSource::CursorEntry &)

Detailed Description

Implementation of IDropSource.

Used for drag operations.

See also

QWindowsDrag

Definition at line 172 of file qwindowsdrag.cpp.

Member Enumeration Documentation

Mode

enum QWindowsOleDropSource::Mode

Enumerator
MouseDrag
TouchDrag

Definition at line 175 of file qwindowsdrag.cpp.

Constructor & Destructor Documentation

QWindowsOleDropSource()

QWindowsOleDropSource::QWindowsOleDropSource ( QWindowsDrag * drag )

explicit

Definition at line 215 of file qwindowsdrag.cpp.

References qCDebug.

~QWindowsOleDropSource()

QWindowsOleDropSource::~QWindowsOleDropSource ( )

override

Definition at line 225 of file qwindowsdrag.cpp.

References QMap< Key, T >::clear(), and qCDebug.

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Member Function Documentation

createCursors()

void QWindowsOleDropSource::createCursors

(

)

Blend custom pixmap with cursors.

Definition at line 245 of file qwindowsdrag.cpp.

References QPixmap::cacheKey(), cacheKey(), Qt::CopyAction, QWindowsCursor::createPixmapCursor(), QPlatformDrag::currentDrag(), QPlatformScreen::cursor(), QDrag::dragCursor(), QWindowsCursor::dragDefaultCursor(), QMap< Key, T >::end(), QHighDpiScaling::factor(), QMap< Key, T >::find(), QPixmap::height(), QDrag::hotSpot(), Qt::IgnoreAction, QMap< Key, T >::insert(), QWindowsContext::instance(), QPixmap::isNull(), it, Qt::KeepAspectRatio, Qt::LinkAction, QWindowsCursor::mousePosition(), Qt::MoveAction, QDrag::pixmap(), pixmap, QGuiApplication::primaryScreen, Q_ASSERT, qCDebug, qFuzzyCompare(), qMax(), qMin(), qRound(), qWarning, QPixmap::scaled(), QPixmap::setDevicePixelRatio(), QMap< Key, T >::size(), Qt::SmoothTransformation, TouchDrag, Qt::transparent, QPixmap::width(), QPoint::x(), and QPoint::y().

Referenced by GiveFeedback().

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GiveFeedback()

QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP QWindowsOleDropSource::GiveFeedback ( DWORD dwEffect )

override

Give feedback: Change cursor according to action.

Definition at line 393 of file qwindowsdrag.cpp.

References QPixmap::cacheKey(), QMap< Key, T >::constEnd(), QMap< Key, T >::constFind(), createCursors(), QPlatformDrag::currentDrag(), QWindowsCursor::cursorState(), QDrag::dragCursor(), it, MouseDrag, QCursor::pos(), QWindowsDragCursorWindow::setPixmap(), QWindow::show(), QWindowsCursor::Suppressed, TouchDrag, translateToQDragDropAction(), and QPlatformDrag::updateAction().

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QueryContinueDrag()

QT_ENSURE_STACK_ALIGNED_FOR_SSE STDMETHODIMP QWindowsOleDropSource::QueryContinueDrag ( BOOL fEscapePressed, DWORD grfKeyState )

override

Check for cancel.

Definition at line 339 of file qwindowsdrag.cpp.

References QPointer< T >::data(), Qt::dec(), QWindowSystemInterface::handleMouseEvent(), Qt::hex(), QWindowsDrag::isCanceled(), QPointer< T >::isNull(), lastButtons, Qt::LeftButton, QPlatformWindow::mapFromGlobal(), QEvent::MouseButtonRelease, QWindowsCursor::mousePosition(), Qt::NoButton, QCoreApplication::processEvents(), qCDebug, QWindowsMouseHandler::queryMouseButtons(), TouchDrag, and QWindowsContext::verbose.

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Friends And Related Symbol Documentation

operator<<

QDebug operator<< ( QDebug d, const QWindowsOleDropSource::CursorEntry & e )

friend

Definition at line 233 of file qwindowsdrag.cpp.

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The documentation for this class was generated from the following file:

• qtbase/src/plugins/platforms/windows/qwindowsdrag.cpp (4a705f5f29aa5ffce8db87fe54f7e70c08124d80)