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// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef View_ToolButton_H
#define View_ToolButton_H
#include <Standard_WarningsDisable.hxx>
#include <QToolButton>
#include <QMouseEvent>
#include <QWidget>
#include <Standard_WarningsRestore.hxx>
//! \class View_ToolButton
//! \brief It is a Qt control that implements change checked state for button by double click event
//! Button becomes checked by double click mouse pressed and unchecked by the next press mouse
class View_ToolButton : public QToolButton
{
Q_OBJECT
public:
View_ToolButton(QWidget* theParent)
: QToolButton(theParent)
{
}
~View_ToolButton() {}
//! Sets the button checkable, set whether the button checkable or not
//! \param theChecked boolean value
void SetButtonChecked(const bool theChecked)
{
setCheckable(theChecked);
setChecked(theChecked);
emit checkedStateChanged(theChecked);
}
signals:
//! Sends a signal about checked state is changed
//! \param theState the checked state
void checkedStateChanged(bool theState);
protected:
//! Sets the button unchecked if it was checked
virtual void mousePressEvent(QMouseEvent* theEvent)
{
if (isChecked())
SetButtonChecked(false);
else
QToolButton::mousePressEvent(theEvent);
}
//! Sets the button checked if it was unchecked
virtual void mouseDoubleClickEvent(QMouseEvent* theEvent)
{
QToolButton::mouseDoubleClickEvent(theEvent);
if (!isChecked())
SetButtonChecked(true);
}
};
#endif
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