QWindowsDrag Class Reference

Windows drag implementation. More...

#include <qwindowsdrag.h>

Inheritance diagram for QWindowsDrag:

Collaboration diagram for QWindowsDrag:

Public Member Functions
	QWindowsDrag ()
virtual	~QWindowsDrag ()
Qt::DropAction	drag (QDrag *drag) override
void	cancelDrag () override
	Cancels the currently active drag (only for drags of the current application initiated by QPlatformDrag::drag()).
IDataObject *	dropDataObject () const
void	setDropDataObject (IDataObject *dataObject)
void	releaseDropDataObject ()
QMimeData *	dropData ()
	Return data for a drop in process.
IDropTargetHelper *	dropHelper ()
	May be used to handle extended cursors functionality for drags from outside the app.
Public Member Functions inherited from QPlatformDrag
	QPlatformDrag ()
virtual	~QPlatformDrag ()
QDrag *	currentDrag () const
virtual Qt::DropAction	drag (QDrag *m_drag)=0
virtual void	cancelDrag ()
	Cancels the currently active drag (only for drags of the current application initiated by QPlatformDrag::drag()).
void	updateAction (Qt::DropAction action)
	Called to notify QDrag about changes of the current action.
virtual Qt::DropAction	defaultAction (Qt::DropActions possibleActions, Qt::KeyboardModifiers modifiers) const
virtual bool	ownsDragObject () const
	Returns bool indicating whether QPlatformDrag takes ownership and therefore responsibility of deleting the QDrag object passed in from QPlatformDrag::drag. This can be useful on platforms where QDrag object has to be kept around.

Static Public Member Functions
static QWindowsDrag *	instance ()
static bool	isCanceled ()
static bool	isDragging ()
Static Public Member Functions inherited from QPlatformDrag
static QPixmap	defaultPixmap ()

Detailed Description

Windows drag implementation.

Definition at line 50 of file qwindowsdrag.h.

Constructor & Destructor Documentation

QWindowsDrag()

QWindowsDrag::QWindowsDrag ( )

default

~QWindowsDrag()

QWindowsDrag::~QWindowsDrag ( )

virtual

Definition at line 618 of file qwindowsdrag.cpp.

Member Function Documentation

cancelDrag()

void QWindowsDrag::cancelDrag ( )

inlineoverridevirtual

Cancels the currently active drag (only for drags of the current application initiated by QPlatformDrag::drag()).

The default implementation does nothing.

Since

5.7

Reimplemented from QPlatformDrag.

Definition at line 59 of file qwindowsdrag.h.

drag()

Qt::DropAction QWindowsDrag::drag ( QDrag *  drag )

overridevirtual

Implements QPlatformDrag.

Definition at line 726 of file qwindowsdrag.cpp.

References Qt::CopyAction, Qt::dec(), drag(), dropData(), dropDataObject(), Qt::hex(), Qt::IgnoreAction, qCDebug, qWarning, startDoDragDrop(), Qt::TargetMoveAction, translateToQDragDropAction(), and translateToWinDragEffects().

Referenced by drag(), and dropData().

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dropData()

QMimeData * QWindowsDrag::dropData

(

)

Return data for a drop in process.

If it stems from a current drag, use a shortcut.

Definition at line 628 of file qwindowsdrag.cpp.

References QPlatformDrag::currentDrag(), and drag().

Referenced by drag().

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dropDataObject()

IDataObject * QWindowsDrag::dropDataObject ( ) const

inline

Definition at line 63 of file qwindowsdrag.h.

Referenced by drag(), and QWindowsDropMimeData::retrieveDataObject().

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dropHelper()

IDropTargetHelper * QWindowsDrag::dropHelper

(

)

May be used to handle extended cursors functionality for drags from outside the app.

Definition at line 638 of file qwindowsdrag.cpp.

instance()

QWindowsDrag * QWindowsDrag::instance ( )

static

Definition at line 770 of file qwindowsdrag.cpp.

References QWindowsIntegration::instance().

Referenced by QWindowsOleDropTarget::DragLeave(), QWindowsOleDropTarget::DragOver(), and QWindowsDropMimeData::retrieveDataObject().

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isCanceled()

static bool QWindowsDrag::isCanceled ( )

inlinestatic

Definition at line 60 of file qwindowsdrag.h.

Referenced by QWindowsOleDropSource::QueryContinueDrag().

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isDragging()

static bool QWindowsDrag::isDragging ( )

inlinestatic

Definition at line 61 of file qwindowsdrag.h.

releaseDropDataObject()

void QWindowsDrag::releaseDropDataObject

(

)

Definition at line 775 of file qwindowsdrag.cpp.

References qCDebug.

Referenced by QWindowsOleDropTarget::DragLeave().

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setDropDataObject()

void QWindowsDrag::setDropDataObject ( IDataObject *  dataObject )

inline

Definition at line 64 of file qwindowsdrag.h.

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

• qtbase/src/plugins/platforms/windows/qwindowsdrag.h
• qtbase/src/plugins/platforms/windows/qwindowsdrag.cpp