interface_widgets.hpp

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/*****************************************************************************
 * interface_widgets.hpp : Custom widgets for the main interface
 ****************************************************************************
 * Copyright (C) 2006-2008 the VideoLAN team
 * $Id: c3fcd3a39ebb2d3edc0918ca7f2ffe6a0d179055 $
 *
 * Authors: Clément Stenac <zorglub@videolan.org>
 *          Jean-Baptiste Kempf <jb@videolan.org>
 *          Rafaël Carré <funman@videolanorg>
 *
 * 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.
 *****************************************************************************/

#ifndef _INTFWIDGETS_H_
#define _INTFWIDGETS_H_

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "main_interface.hpp" /* Interface integration */
#include "input_manager.hpp"  /* Speed control */

#include "components/controller.hpp"
#include "components/controller_widget.hpp"

#include <QWidget>
#include <QFrame>
#include <QLabel>
#include <QMouseEvent>

class ResizeEvent;
class QPixmap;
class QHBoxLayout;
class QMenu;
class QSlider;
class ReparentableWidget;

/******************** Video Widget ****************/
class VideoWidget : public QFrame
{
    Q_OBJECT
friend class ReparentableWidget;

public:
    VideoWidget( intf_thread_t * );
    virtual ~VideoWidget();

    WId request( int *, int *, unsigned int *, unsigned int *, bool );
    void  release( void );
    int   control( void *, int, va_list );

protected:
    virtual QPaintEngine *paintEngine() const
    {
        return NULL;
    }

private:
    intf_thread_t *p_intf;

    QWidget *reparentable;
    QLayout *layout;
    virtual bool eventFilter ( QObject * watched, QEvent * event );
signals:
    void keyPressed( QKeyEvent * );
    void sizeChanged( int, int );

public slots:
    void SetSizing( unsigned int, unsigned int );
    void SetFullScreen( bool );
};

/******************** Background Widget ****************/
class BackgroundWidget : public QWidget
{
    Q_OBJECT
public:
    BackgroundWidget( intf_thread_t * );
    void setExpandstoHeight( bool b_expand ) { b_expandPixmap = b_expand; }
private:
    QString pixmapUrl;
    bool b_expandPixmap;
    virtual void contextMenuEvent( QContextMenuEvent *event );
    intf_thread_t *p_intf;
protected:
    void paintEvent( QPaintEvent *e );
    static const int MARGIN = 5;
public slots:
    void toggle(){ TOGGLEV( this ); }
    void updateArt( const QString& );
};

#if 0
class VisualSelector : public QFrame
{
    Q_OBJECT
public:
    VisualSelector( intf_thread_t *);
    virtual ~VisualSelector();
private:
    intf_thread_t *p_intf;
    QLabel *current;
private slots:
    void prev();
    void next();
};
#endif

class TimeLabel : public QLabel
{
    Q_OBJECT
public:
    TimeLabel( intf_thread_t *_p_intf );
protected:
    virtual void mousePressEvent( QMouseEvent *event )
    {
        toggleTimeDisplay();
        event->accept();
    }
    virtual void mouseDoubleClickEvent( QMouseEvent *event )
    {
        event->accept();
        toggleTimeDisplay();
        emit timeLabelDoubleClicked();
    }
private:
    intf_thread_t *p_intf;
    bool b_remainingTime;
    int cachedLength;
    QTimer *bufTimer;
    float bufVal;
    bool buffering;
    bool showBuffering;
    char psz_length[MSTRTIME_MAX_SIZE];
    char psz_time[MSTRTIME_MAX_SIZE];
    void toggleTimeDisplay();
    void paintEvent( QPaintEvent* );
signals:
    void timeLabelDoubleClicked();
private slots:
    void setDisplayPosition( float pos, int64_t time, int length );
    void setDisplayPosition( float pos );
    void updateBuffering( float );
    void updateBuffering();
};

class SpeedLabel : public QLabel
{
    Q_OBJECT
public:
    SpeedLabel( intf_thread_t *, QWidget * );
    virtual ~SpeedLabel();

protected:
    virtual void mousePressEvent ( QMouseEvent * event )
    {
        showSpeedMenu( event->pos() );
    }
private slots:
    void showSpeedMenu( QPoint );
    void setRate( float );
private:
    intf_thread_t *p_intf;
    QMenu *speedControlMenu;
    QString tooltipStringPattern;
    SpeedControlWidget *speedControl;
};

/******************** Speed Control Widgets ****************/
class SpeedControlWidget : public QFrame
{
    Q_OBJECT
public:
    SpeedControlWidget( intf_thread_t *, QWidget * );
    void updateControls( float );
private:
    intf_thread_t *p_intf;
    QSlider *speedSlider;
    int lastValue;

public slots:
    void activateOnState();

private slots:
    void updateRate( int );
    void resetRate();
};

class CoverArtLabel : public QLabel
{
    Q_OBJECT
public:
    CoverArtLabel( QWidget *parent, intf_thread_t * );
    virtual ~CoverArtLabel();

private:
    intf_thread_t *p_intf;

public slots:
    void requestUpdate() { emit updateRequested(); }
    void update( )
    {
        requestUpdate();
    }
    void showArtUpdate( const QString& );

private slots:
    void askForUpdate();

signals:
    void updateRequested();
};

#endif