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/****************************************************************************
**
** Copyright (C) 2002 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//==============================================================================
// Prefix
//==============================================================================
#ifndef INCLUDED_BUTTON_CONTROL_H
#define INCLUDED_BUTTON_CONTROL_H 1
//==============================================================================
// Includes
//==============================================================================
#include "Control.h"
#include "Multicaster.h"
#include <QPixmap>
#include <boost/signals.hpp>
//==============================================================================
// Forwards
//==============================================================================
//=============================================================================
/**
* Base class for creating button controls.
*/
class CButtonControl : public CControl
{
public:
/// States for procedural buttons that might result in drawing changes
enum EButtonState {
EBUTTONSTATE_UP, ///< Indicates that the button is currently in the up position
EBUTTONSTATE_DOWN, ///< Indicates that the button is currently in the up position
EBUTTONSTATE_INDETERMINATE ///< Not used yet; provided for sub-classes to implement a
///tri-state functionality
};
protected:
EButtonState m_State; ///< Specifies what state the button is currently in; state changes as the
///button is clicked on
QPixmap m_ImageUp; ///< The image for the button in its normal state
QPixmap m_ImageDown; ///< The image for the button while it is being clicked
QPixmap m_ImageOver; ///< The image for the button while the mouse is over
QPixmap m_ImageUpDisabled; ///< The image for the button when it is disabled and unavailable
///to the user
QPixmap m_ImageDownDisabled; ///< The image for the button when it is disabled and unavailable
///to the user
bool m_AutoSize; ///< true if the button will automatically resize itself
bool m_MouseEnter; ///< Flag for determining mouse enter/exit status so that the number of
///invalidations is minimized. See OnMouseOver and OnMouseOut.
bool m_IsMouseDown;
bool m_VCenterImage;
bool m_HCenterImage;
long m_Margin;
public:
CButtonControl();
virtual ~CButtonControl();
EButtonState GetButtonState() const;
virtual void SetButtonState(EButtonState inState);
void SetUpImage(const QPixmap &inImage);
void SetUpImage(const QString &inImageName);
void SetDownImage(const QPixmap &inImage);
void SetDownImage(const QString &inImageName);
void SetOverImage(const QPixmap &inImage);
void SetOverImage(const QString &inImageName);
void SetDisabledImage(const QPixmap &inImage);
void SetDisabledImage(const QString &inImageName);
void SetUpDisabledImage(const QString &inImageName);
QSize GetImageSize() const;
void SetAutoSize(bool inEnableAutoSize);
bool GetAutoSize();
void SetCenterImage(bool inVCenter, bool inHCenter);
void SetMarginImage(long inMargin);
void Draw(CRenderer *inRenderer) override;
bool OnMouseDown(CPt inPoint, Qt::KeyboardModifiers inFlags) override;
void OnMouseUp(CPt inPoint, Qt::KeyboardModifiers inFlags) override;
void OnMouseOver(CPt inPoint, Qt::KeyboardModifiers inFlags) override;
void OnMouseOut(CPt inPoint, Qt::KeyboardModifiers inFlags) override;
void Invalidate(bool inIsInvalidated = true) override;
boost::signal1<void, CControl *> SigButtonDown;
boost::signal1<void, CControl *> SigButtonUp;
boost::signal1<void, CControl *> SigClicked;
protected:
virtual void Render(CRenderer *inRenderer);
virtual QPixmap GetCurrentImage() const;
virtual void Resize();
};
#endif // INCLUDED_BUTTON_CONTROL_H
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