You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.8 KiB
102 lines
2.8 KiB
/*
|
|
* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
|
|
*
|
|
* Copyright (C) 2013 Open Education Foundation
|
|
*
|
|
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
|
|
* l'Education Numérique en Afrique (GIP ENA)
|
|
*
|
|
* This file is part of OpenBoard.
|
|
*
|
|
* OpenBoard is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, version 3 of the License,
|
|
* with a specific linking exception for the OpenSSL project's
|
|
* "OpenSSL" library (or with modified versions of it that use the
|
|
* same license as the "OpenSSL" library).
|
|
*
|
|
* OpenBoard is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include <QApplication>
|
|
|
|
#include "UBMousePressFilter.h"
|
|
|
|
#include "core/memcheck.h"
|
|
|
|
UBMousePressFilter::UBMousePressFilter(QObject* parent)
|
|
: QObject(parent)
|
|
, mPendingEvent(0)
|
|
{
|
|
// NOOP
|
|
}
|
|
|
|
|
|
UBMousePressFilter::~UBMousePressFilter()
|
|
{
|
|
// NOOP
|
|
}
|
|
|
|
|
|
bool UBMousePressFilter::eventFilter(QObject *obj, QEvent *event)
|
|
{
|
|
const bool isMousePress = event->type() == QEvent::MouseButtonPress;
|
|
const bool isMouseRelease = event->type() == QEvent::MouseButtonRelease;
|
|
const bool isMouseMove = event->type() == QEvent::MouseMove;
|
|
|
|
if (isMousePress)
|
|
{
|
|
QMouseEvent * mouseEvent = static_cast<QMouseEvent *>(event);
|
|
|
|
if (mouseEvent)
|
|
{
|
|
if (mPendingEvent)
|
|
{
|
|
delete mPendingEvent;
|
|
}
|
|
|
|
mPendingEvent = new QMouseEvent(QEvent::MouseButtonDblClick,
|
|
mouseEvent->pos(), mouseEvent->globalPos(),
|
|
mouseEvent->button(), mouseEvent->buttons(),
|
|
mouseEvent->modifiers());
|
|
|
|
mObject = obj;
|
|
|
|
QTimer::singleShot(1000, this, SLOT(mouseDownElapsed()));
|
|
}
|
|
}
|
|
else if (isMouseRelease || isMouseMove)
|
|
{
|
|
if (mPendingEvent)
|
|
{
|
|
QTabletEvent * tabletEvent = static_cast<QTabletEvent *>(event);
|
|
QPoint point = tabletEvent->globalPos() - mPendingEvent->globalPos();
|
|
if (isMouseRelease || point.manhattanLength() > QApplication::startDragDistance())
|
|
{
|
|
delete mPendingEvent;
|
|
mPendingEvent = 0;
|
|
mObject = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void UBMousePressFilter::mouseDownElapsed()
|
|
{
|
|
if (mPendingEvent && mObject)
|
|
{
|
|
QApplication::postEvent(mObject, mPendingEvent);
|
|
mPendingEvent = 0;
|
|
mObject = 0;
|
|
}
|
|
}
|
|
|