page_trim.h

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/*
* page_trim.h Notebook Trim Page Object
* Copyright (C) 2001-2007 Dan Dennedy <dan@dennedy.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 _PAGE_TRIM_H
#define _PAGE_TRIM_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "framedisplayer.h"
#include "kino_common.h"
#include "page.h"
#include "preferences.h"
#include "gtkenhancedscale.h"
#include "filehandler.h"

class AVIFile;


typedef enum {
    PAGE_TRIM_MODE_UPDATE,
    PAGE_TRIM_MODE_INSERT,
    PAGE_TRIM_MODE_UNKNOWN = 99
} PageTrimMode;

typedef enum {
    TRIM_INSERT_MODE_BEFORE,
    TRIM_INSERT_MODE_AFTER
} TrimInsertMode;

class PageTrim : public Page
{
private:
    // Common object
    KinoCommon *common;

    // GUI Widgets
    FrameDisplayer *displayer;
    GtkDrawingArea *frameArea;
    GtkLabel *positionLabelCurrent;
    GtkLabel *positionLabelTotal;
    GtkWidget *trim;
    GtkButton *reset_in;
    GtkButton *reset_out;

    // State retention
    PlayList playlist;
    gint idleCommand;
    gboolean idleCommandActive;
    int start_orig;
    int update_start;
    int end_orig;
    int in_orig;
    int out_orig;
    int in;
    int out;
    int max; // the length of the clip in frames
    int pos;  // the current frame position relative to the clip
    int currentScene; // a frame number valid for the current scene in the (unaltered) playlist
    int lastPos;
    PageTrimMode mode;
    bool changed;

    // Playlist for holding the last copy/cut frames
    PlayList *g_copiedPlayList;

public:
    PageTrim( KinoCommon *common );
    virtual ~PageTrim();
    FrameDisplayer *getFrameDisplayer()
    {
        return this->displayer;
    }
    int getInPoint()
    {
        return this->in;
    }
    int getOutPoint()
    {
        return this->out;
    }
    PlayList &getPlayList()
    {
        return this->playlist;
    }
    int getTotalFrames()
    {
        return this->max + 1;
    }
    int getPosition()
    {
        return this->pos;
    }
    void setInPoint( int value )
    {
        this->in = value;
    }
    void setOutPoint( int value )
    {
        this->out = value;
    }
    void setPosition( int value )
    {
        this->pos = value;
    }

    // Overridden virtuals from Page
    gulong activate();
    void newFile();
    void start();
    void clean();
    gboolean processKeyboard( GdkEventKey *event );
    gboolean processCommand( char *cmd );
    void selectScene( int );
    void videoStartOfMovie();
    void videoPreviousScene();
    void videoStartOfScene();
    void videoRewind();
    void videoBack(int step = -1);
    void videoPlay();
    void videoForward(int step = 1);
    void videoFastForward();
    void videoShuttle( int );
    void videoNextScene();
    void videoEndOfScene();
    void videoEndOfMovie();
    void videoPause();
    void videoStop();

    void startNavigator();
    void stopNavigator();

    void movedToFrame( int frame );

    void showFrame( int, gboolean );
    void showFrame( int, Frame& );

    void windowMoved();
    void showFrameInfo( int );
    void resetInPoint();
    void resetOutPoint();
    int getSceneIndex();
    bool loadFile( const string& );
    void insertScene( TrimInsertMode );
    void loadScene( int currentScene );
    void saveScene();
    void setMode( PageTrimMode );
    void timeFormatChanged();
    std::string getHelpPage()
    {
        return "trim";
    }
};

#endif

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