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/***************************************************************************
* Copyright (C) 2017 Kai Uwe Broulik <[email protected]> *
* *
* This program 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; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "middleclickactioneventfilter.h"
#include <QAction>
#include <QEvent>
#include <QMenu>
#include <QMouseEvent>
#include <QToolBar>
MiddleClickActionEventFilter::MiddleClickActionEventFilter(QObject *parent) : QObject(parent)
{
}
MiddleClickActionEventFilter::~MiddleClickActionEventFilter() = default;
bool MiddleClickActionEventFilter::eventFilter(QObject *watched, QEvent *event)
{
if (event->type() == QEvent::MouseButtonPress
|| event->type() == QEvent::MouseButtonRelease) {
QMouseEvent *me = static_cast<QMouseEvent *>(event);
if (me->button() == Qt::MiddleButton) {
QToolBar *toolBar = qobject_cast<QToolBar *>(watched);
if (toolBar) {
QAction *action = toolBar->actionAt(me->pos());
if (action) {
if (event->type() == QEvent::MouseButtonPress) {
m_lastMiddlePressedAction = action;
} else if (event->type() == QEvent::MouseButtonRelease) {
if (m_lastMiddlePressedAction == action) {
emit actionMiddleClicked(action);
}
m_lastMiddlePressedAction = nullptr;
}
}
}
QMenu *menu = qobject_cast<QMenu *>(watched);
if (menu) {
QAction *action = menu->actionAt(me->pos());
if (action) {
if (event->type() == QEvent::MouseButtonPress) {
m_lastMiddlePressedAction = action;
} else if (event->type() == QEvent::MouseButtonRelease) {
if (m_lastMiddlePressedAction == action) {
emit actionMiddleClicked(action);
return true;
}
m_lastMiddlePressedAction = nullptr;
}
}
}
}
}
return QObject::eventFilter(watched, event);
}
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