ResInsight/ApplicationCode/UserInterface/RiuWidgetDragger.cpp

57 lines
2.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2018- Statoil ASA
//
// ResInsight 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 3 of the License, or
// (at your option) any later version.
//
// ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RiuWidgetDragger.h"
#include <QEvent>
#include <QWidget>
#include <QMouseEvent>
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiuWidgetDragger::RiuWidgetDragger(QWidget* widgetToMove)
: QObject(widgetToMove)
, m_widgetToMove(widgetToMove)
, m_startPos(0,0)
{
m_widgetToMove->installEventFilter(this);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiuWidgetDragger::eventFilter(QObject * watched, QEvent * event)
{
if (event->type() == QEvent::MouseMove)
{
QMouseEvent* mMoveEv = static_cast<QMouseEvent*>(event);
if (mMoveEv->buttons() & Qt::LeftButton)
{
m_widgetToMove->move( m_widgetToMove->mapToParent(mMoveEv->pos() - m_startPos));
}
}
else if (event->type() == QEvent::MouseButtonPress)
{
QMouseEvent* mEv = static_cast<QMouseEvent*>(event);
m_startPos = mEv->pos();
}
return false;
}