97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
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/****************************************************************************
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Copyright (c) 2018 GeometryFactory Sarl (France).
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Copyright (C) 2002-2014 Gilles Debunne. All rights reserved.
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This file is part of a fork of the QGLViewer library version 2.7.0.
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http://www.libqglviewer.com - contact@libqglviewer.com
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This file may be used under the terms of the GNU General Public License
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version 3.0 as published by the Free Software Foundation and
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appearing in the LICENSE file included in the packaging of this file.
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This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*****************************************************************************/
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0
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#ifdef CGAL_HEADER_ONLY
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#define CGAL_INLINE_FUNCTION inline
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#include <CGAL/license/GraphicsView.h>
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#else
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#define CGAL_INLINE_FUNCTION
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#endif
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#include <CGAL/Qt/mouseGrabber.h>
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namespace CGAL{
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namespace qglviewer{
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// Static private variable
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CGAL_INLINE_FUNCTION
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QList<MouseGrabber *> &MouseGrabber::MouseGrabberPool() {
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static QList<MouseGrabber*> MouseGrabberPool_;
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void* p = qApp->property("qglviewer mouse grabber pool").value<void*>();
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if(p == 0) {
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p = (void*)(&MouseGrabberPool_);
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qApp->setProperty("qglviewer mouse grabber pool", QVariant::fromValue(p));
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}
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return *static_cast<QList<MouseGrabber *> * >(p);
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}
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/*! Default constructor.
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Adds the created MouseGrabber in the MouseGrabberPool(). grabsMouse() is set to
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\c false. */
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CGAL_INLINE_FUNCTION
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MouseGrabber::MouseGrabber() : grabsMouse_(false) { addInMouseGrabberPool(); }
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/*! Adds the MouseGrabber in the MouseGrabberPool().
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All created MouseGrabber are automatically added in the MouseGrabberPool() by
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the constructor. Trying to add a MouseGrabber that already
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isInMouseGrabberPool() has no effect.
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Use removeFromMouseGrabberPool() to remove the MouseGrabber from the list, so
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that it is no longer tested with checkIfGrabsMouse() by the CGAL::QGLViewer, and hence
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can no longer grab mouse focus. Use isInMouseGrabberPool() to know the current
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state of the MouseGrabber. */
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CGAL_INLINE_FUNCTION
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void MouseGrabber::addInMouseGrabberPool() {
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if (!isInMouseGrabberPool())
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MouseGrabber::MouseGrabberPool().append(this);
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}
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/*! Removes the MouseGrabber from the MouseGrabberPool().
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See addInMouseGrabberPool() for details. Removing a MouseGrabber that is not in
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MouseGrabberPool() has no effect. */
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CGAL_INLINE_FUNCTION
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void MouseGrabber::removeFromMouseGrabberPool() {
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if (isInMouseGrabberPool())
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MouseGrabber::MouseGrabberPool().removeAll(const_cast<MouseGrabber *>(this));
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}
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/*! Clears the MouseGrabberPool().
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Use this method only if it is faster to clear the MouseGrabberPool() and then
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to add back a few MouseGrabbers than to remove each one independently. Use
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CGAL::QGLViewer::setMouseTracking(false) instead if you want to disable mouse
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grabbing.
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When \p autoDelete is \c true, the MouseGrabbers of the MouseGrabberPool() are
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actually deleted (use this only if you're sure of what you do). */
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CGAL_INLINE_FUNCTION
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void MouseGrabber::clearMouseGrabberPool(bool autoDelete) {
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if (autoDelete)
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qDeleteAll(MouseGrabber::MouseGrabberPool());
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MouseGrabber::MouseGrabberPool().clear();
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}
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}}
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