89 lines
3.0 KiB
C
89 lines
3.0 KiB
C
|
/****************************************************************************
|
||
|
|
|
||
|
|
Copyright (c) 2018 GeometryFactory Sarl (France).
|
||
|
|
Copyright (C) 2002-2014 Gilles Debunne. All rights reserved.
|
||
|
|
|
||
|
|
This file is part of a fork of the QGLViewer library version 2.7.0.
|
||
|
|
|
||
|
|
*****************************************************************************/
|
||
|
|
// $URL: https://github.com/CGAL/cgal/blob/v5.1/GraphicsView/include/CGAL/Qt/mouseGrabber_impl.h $
|
||
|
|
// $Id: mouseGrabber_impl.h 1ef976e 2019-10-19T16:09:56+02:00 Sébastien Loriot
|
||
|
|
// SPDX-License-Identifier: GPL-3.0-only
|
||
|
|
|
||
|
|
#ifdef CGAL_HEADER_ONLY
|
||
|
|
#define CGAL_INLINE_FUNCTION inline
|
||
|
|
|
||
|
|
#include <CGAL/license/GraphicsView.h>
|
||
|
|
|
||
|
|
#else
|
||
|
|
#define CGAL_INLINE_FUNCTION
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <CGAL/Qt/mouseGrabber.h>
|
||
|
|
|
||
|
|
namespace CGAL{
|
||
|
|
namespace qglviewer{
|
||
|
|
|
||
|
|
|
||
|
|
// Static private variable
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
QList<MouseGrabber *> &MouseGrabber::MouseGrabberPool() {
|
||
|
|
static QList<MouseGrabber*> MouseGrabberPool_;
|
||
|
|
void* p = qApp->property("qglviewer mouse grabber pool").value<void*>();
|
||
|
|
if(p == 0) {
|
||
|
|
p = (void*)(&MouseGrabberPool_);
|
||
|
|
qApp->setProperty("qglviewer mouse grabber pool", QVariant::fromValue(p));
|
||
|
|
}
|
||
|
|
return *static_cast<QList<MouseGrabber *> * >(p);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*! Default constructor.
|
||
|
|
|
||
|
|
Adds the created MouseGrabber in the MouseGrabberPool(). grabsMouse() is set to
|
||
|
|
\c false. */
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
MouseGrabber::MouseGrabber() : grabsMouse_(false) { addInMouseGrabberPool(); }
|
||
|
|
|
||
|
|
/*! Adds the MouseGrabber in the MouseGrabberPool().
|
||
|
|
|
||
|
|
All created MouseGrabber are automatically added in the MouseGrabberPool() by
|
||
|
|
the constructor. Trying to add a MouseGrabber that already
|
||
|
|
isInMouseGrabberPool() has no effect.
|
||
|
|
|
||
|
|
Use removeFromMouseGrabberPool() to remove the MouseGrabber from the list, so
|
||
|
|
that it is no longer tested with checkIfGrabsMouse() by the CGAL::QGLViewer, and hence
|
||
|
|
can no longer grab mouse focus. Use isInMouseGrabberPool() to know the current
|
||
|
|
state of the MouseGrabber. */
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
void MouseGrabber::addInMouseGrabberPool() {
|
||
|
|
if (!isInMouseGrabberPool())
|
||
|
|
MouseGrabber::MouseGrabberPool().append(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*! Removes the MouseGrabber from the MouseGrabberPool().
|
||
|
|
|
||
|
|
See addInMouseGrabberPool() for details. Removing a MouseGrabber that is not in
|
||
|
|
MouseGrabberPool() has no effect. */
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
void MouseGrabber::removeFromMouseGrabberPool() {
|
||
|
|
if (isInMouseGrabberPool())
|
||
|
|
MouseGrabber::MouseGrabberPool().removeAll(const_cast<MouseGrabber *>(this));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*! Clears the MouseGrabberPool().
|
||
|
|
|
||
|
|
Use this method only if it is faster to clear the MouseGrabberPool() and then
|
||
|
|
to add back a few MouseGrabbers than to remove each one independently. Use
|
||
|
|
CGAL::QGLViewer::setMouseTracking(false) instead if you want to disable mouse
|
||
|
|
grabbing.
|
||
|
|
|
||
|
|
When \p autoDelete is \c true, the MouseGrabbers of the MouseGrabberPool() are
|
||
|
|
actually deleted (use this only if you're sure of what you do). */
|
||
|
|
CGAL_INLINE_FUNCTION
|
||
|
|
void MouseGrabber::clearMouseGrabberPool(bool autoDelete) {
|
||
|
|
if (autoDelete)
|
||
|
|
qDeleteAll(MouseGrabber::MouseGrabberPool());
|
||
|
|
MouseGrabber::MouseGrabberPool().clear();
|
||
|
|
}
|
||
|
|
}}
|