root/branches/undo/gui/src/widgets/Button.h @ 1604

/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */


#ifndef BUTTON_H
#define BUTTON_H

#include "config.h"

#include <hydrogen/Object.h>
#include <hydrogen/action.h>

#include "MidiLearnable.h"

#include <QtGui>

class PixmapWidget;

/**
 * Generic Button with pixmaps and text.
 */
class Button : public QWidget, public Object, public MidiLearnable
{
        Q_OBJECT

        public:
                Button(
                                QWidget *pParent,
                                const QString& sOnImg,
                                const QString& sOffImg,
                                const QString& sOverImg,
                                QSize size,
                                bool use_skin_style = false
                );
                virtual ~Button();

                bool isPressed() {      return m_bPressed;      }
                void setPressed(bool pressed);

                void setText( const QString& sText );
                void setFontSize( int size );

        signals:
                void clicked(Button *pBtn);
                void rightClicked(Button *pBtn);
                void mousePress(Button *pBtn);

        protected:
                bool m_bPressed;

                QFont m_textFont;
                QString m_sText;

                QPixmap m_onPixmap;
                QPixmap m_offPixmap;
                QPixmap m_overPixmap;

        private:
                bool m_bMouseOver;
                bool __use_skin_style;

                void mousePressEvent(QMouseEvent *ev);
                void mouseReleaseEvent(QMouseEvent *ev);
                void enterEvent(QEvent *ev);
                void leaveEvent(QEvent *ev);
                void paintEvent( QPaintEvent* ev);

                bool loadImage( const QString& sFilename, QPixmap& pixmap );
};




/**
 * A ToggleButton (On/Off).
 */
class ToggleButton : public Button
{
        Q_OBJECT

        public:
                ToggleButton( QWidget *pParent, const QString& sOnImg, const QString& sOffImg, const QString& sOverImg, QSize size, bool use_skin_style = false );
                ~ToggleButton();

        private:
                void mousePressEvent( QMouseEvent *ev );
                void mouseReleaseEvent( QMouseEvent *ev );
};


#endif