From 6f65ddbc217a8c82b091d31e88faf3dc23baa13b Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Fri, 10 Jul 2015 13:35:11 +0200 Subject: Implement canceling of Qt-initiated drags. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - Add new virtual QPlatformDrag::cancelDrag() [avoiding a conflict with existing QBasicDrag::cancel()] - Implement on Windows by returning DRAGDROP_S_CANCEL from IOleDropSource::QueryContinueDrag() as suggested on report. - Implement in QBasicDrag by calling QBasicDrag::cancel() and quitting the event loop. - Add new API static void QDrag::cancel() for it. Task-number: QTBUG-47004 Change-Id: I4b4bb52e5fc226c8e04688ac1b0f9550daaf918e Reviewed-by: Jørgen Lind Reviewed-by: David Faure --- src/plugins/platforms/windows/qwindowsdrag.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/plugins/platforms/windows/qwindowsdrag.h') diff --git a/src/plugins/platforms/windows/qwindowsdrag.h b/src/plugins/platforms/windows/qwindowsdrag.h index 9a5e0b17f2..b031faa884 100644 --- a/src/plugins/platforms/windows/qwindowsdrag.h +++ b/src/plugins/platforms/windows/qwindowsdrag.h @@ -87,6 +87,8 @@ public: Qt::DropAction drag(QDrag *drag) Q_DECL_OVERRIDE; static QWindowsDrag *instance(); + void cancelDrag() Q_DECL_OVERRIDE { QWindowsDrag::m_canceled = true; } + static bool isCanceled() { return QWindowsDrag::m_canceled; } IDataObject *dropDataObject() const { return m_dropDataObject; } void setDropDataObject(IDataObject *dataObject) { m_dropDataObject = dataObject; } @@ -98,6 +100,8 @@ public: QPixmap defaultCursor(Qt::DropAction action) const; private: + static bool m_canceled; + QWindowsDropMimeData m_dropData; IDataObject *m_dropDataObject; -- cgit v1.2.3