mpv/gui/interface.c

/*
 * This file is part of MPlayer.
 *
 * MPlayer 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.
 *
 * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>

#include "wm/ws.h"
#include "wm/wsxdnd.h"
#include "interface.h"
#include "skin/skin.h"

#include "mplayer/gtk/eq.h"
#include "mplayer/widgets.h"
#include "mplayer/gmplayer.h"
#include "mplayer/play.h"

#include "access_mpcontext.h"
#include "app.h"
#include "cfg.h"
#include "help_mp.h"
#include "get_path.h"
#include "libvo/x11_common.h"
#include "libvo/video_out.h"
#include "libvo/font_load.h"
#include "libvo/sub.h"
#include "input/input.h"
#include "libao2/audio_out.h"
#include "mixer.h"
#include "libaf/af.h"
#include "libaf/equalizer.h"
#include "libass/ass.h"
#include "libass/ass_mp.h"

extern af_cfg_t af_cfg;

#ifdef CONFIG_ICONV
#include <iconv.h>
#endif

#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"
#include "libmpcodecs/dec_video.h"

#ifdef CONFIG_DVDREAD
#include "stream/stream_dvd.h"
#endif

int vcd_seek_to_track(void *vcd, int track);

#include "m_config.h"
#include "m_option.h"


guiInterface_t guiIntfStruct;
int guiWinID=-1;

char * gstrcat( char ** dest,const char * src )
{
 char * tmp = NULL;

 if ( !src ) return NULL;

 if ( *dest )
  {
   tmp=malloc( strlen( *dest ) + strlen( src ) + 1 );
   
   if ( tmp ) /* TODO: advanced error handling */
    {
     strcpy( tmp,*dest ); strcat( tmp,src ); free( *dest ); 
    }
   }
  else
   { tmp=malloc( strlen( src ) + 1 ); strcpy( tmp,src ); }
 *dest=tmp;
 return tmp;
}

int gstrcmp( const char * a,const char * b )
{
 if ( !a && !b ) return 0;
 if ( !a || !b ) return -1;
 return strcmp( a,b );
}

int gstrncmp( const char * a,const char * b,int size )
{
 if ( !a && !b ) return 0;
 if ( !a || !b ) return -1;
 return strncmp( a,b,size );
}

char * gstrdup( const char * str )
{
 if ( !str ) return NULL;
 return strdup( str );
}

char * gstrchr( char * str,int c )
{
 if ( !str ) return NULL;
 return strchr( str,c );
}

void gfree( void ** p )
{
 if ( *p == NULL ) return;
 free( *p ); *p=NULL;
}

void gset( char ** str, const char * what )
{
 if ( *str ) { if ( !strstr( *str,what ) ) { gstrcat( str,"," ); gstrcat( str,what ); }}
   else gstrcat( str,what );
}

/**
 * \brief this actually creates a new list containing only one element...
 */
void gaddlist( char *** list,const char * entry )
{
 int i;

 if ( (*list) )
  {
   for ( i=0;(*list)[i];i++ ) free( (*list)[i] );
   free( (*list) );
  }

 (*list)=malloc( 2 * sizeof(char **) );
 (*list)[0]=gstrdup( entry );
 (*list)[1]=NULL;
}

/**
 * \brief this replaces a string starting with search by replace.
 * If not found, replace is appended.
 */
void greplace(char ***list, const char *search, const char *replace)
{
 int i = 0;
 int len = (search) ? strlen(search) : 0;

 if (*list) {
   for (i = 0; (*list)[i]; i++) {
     if (search && (strncmp((*list)[i], search, len) == 0)) {
       free((*list)[i]);
       (*list)[i] = gstrdup(replace);
       return;
     }
   }
   *list = realloc(*list, (i + 2) * sizeof(char *));
 }
 else
   *list = malloc(2 * sizeof(char *));

 (*list)[i] = gstrdup(replace);
 (*list)[i + 1] = NULL;
}
							    
void guiInit( void )
{
 int i;

 memset( &guiIntfStruct,0,sizeof( guiIntfStruct ) );
 guiIntfStruct.Balance=50.0f;
 guiIntfStruct.StreamType=-1;

 memset( &gtkEquChannels,0,sizeof( gtkEquChannels ) );
#ifdef CONFIG_DXR3
 if ( !gtkDXR3Device ) gtkDXR3Device=strdup( "/dev/em8300-0" );
#endif
 if ( stream_cache_size > 0 ) { gtkCacheOn=1; gtkCacheSize=stream_cache_size; }
 else if ( stream_cache_size == 0 ) gtkCacheOn = 0;
 if ( autosync && autosync != gtkAutoSync ) { gtkAutoSyncOn=1; gtkAutoSync=autosync; }
   
#ifdef CONFIG_ASS
 gtkASS.enabled = ass_enabled;
 gtkASS.use_margins = ass_use_margins;
 gtkASS.top_margin = ass_top_margin;
 gtkASS.bottom_margin = ass_bottom_margin;
#endif

 gtkInit();
// --- initialize X 
 wsXInit( (void *)mDisplay );
// --- load skin
 skinDirInHome=get_path("skins");
 skinDirInHome_obsolete=get_path("Skin");
 skinMPlayerDir=MPLAYER_DATADIR "/skins";
 skinMPlayerDir_obsolete=MPLAYER_DATADIR "/Skin";
 mp_msg( MSGT_GPLAYER,MSGL_V,"SKIN dir 1: '%s'\n",skinDirInHome);
 mp_msg( MSGT_GPLAYER,MSGL_V,"SKIN dir 1 (obsolete): '%s'\n",skinDirInHome_obsolete);
 mp_msg( MSGT_GPLAYER,MSGL_V,"SKIN dir 2: '%s'\n",skinMPlayerDir);
 mp_msg( MSGT_GPLAYER,MSGL_V,"SKIN dir 2 (obsolete): '%s'\n",skinMPlayerDir_obsolete);
 if ( !skinName ) skinName=strdup( "default" );
 i = skinRead( skinName );
 if ((i == -1) && strcmp(skinName,"default"))
 {
    mp_msg( MSGT_GPLAYER,MSGL_WARN,MSGTR_SKIN_SKINCFG_SelectedSkinNotFound, skinName);
    skinName=strdup( "default" );
    i = skinRead( skinName );
 }
 switch (i) {
   case -1: mp_msg( MSGT_GPLAYER,MSGL_ERR,MSGTR_SKIN_SKINCFG_SkinNotFound,skinName ); exit( 0 );
   case -2: mp_msg( MSGT_GPLAYER,MSGL_ERR,MSGTR_SKIN_SKINCFG_SkinCfgReadError,skinName ); exit( 0 );
  }
// --- initialize windows
 if ( ( mplDrawBuffer = malloc( appMPlayer.main.Bitmap.ImageSize ) ) == NULL )
  {
   fprintf( stderr,MSGTR_NEMDB );
   exit( 0 );
  }

 if ( gui_save_pos )
 {
  appMPlayer.main.x = gui_main_pos_x;
  appMPlayer.main.y = gui_main_pos_y;
  appMPlayer.sub.x = gui_sub_pos_x;
  appMPlayer.sub.y = gui_sub_pos_y;
 }

  if (WinID>0)
   {
    appMPlayer.subWindow.Parent=WinID;
    appMPlayer.sub.x=0;
    appMPlayer.sub.y=0;
   }
  if (guiWinID>=0) appMPlayer.mainWindow.Parent=guiWinID;
 
 wsCreateWindow( &appMPlayer.subWindow,
  appMPlayer.sub.x,appMPlayer.sub.y,appMPlayer.sub.width,appMPlayer.sub.height,
  wsNoBorder,wsShowMouseCursor|wsHandleMouseButton|wsHandleMouseMove,wsShowFrame|wsHideWindow,"MPlayer - Video" );

 wsDestroyImage( &appMPlayer.subWindow );
 wsCreateImage( &appMPlayer.subWindow,appMPlayer.sub.Bitmap.Width,appMPlayer.sub.Bitmap.Height );
 wsXDNDMakeAwareness(&appMPlayer.subWindow);

 mplMenuInit();
 mplPBInit();

 vo_setwindow( appMPlayer.subWindow.WindowID, appMPlayer.subWindow.wGC );

// i=wsHideFrame|wsMaxSize|wsHideWindow;
// if ( appMPlayer.mainDecoration ) i=wsShowFrame|wsMaxSize|wsHideWindow;
 i=wsShowFrame|wsMaxSize|wsHideWindow;
 wsCreateWindow( &appMPlayer.mainWindow,
  appMPlayer.main.x,appMPlayer.main.y,appMPlayer.main.width,appMPlayer.main.height,
  wsNoBorder,wsShowMouseCursor|wsHandleMouseButton|wsHandleMouseMove,i,"MPlayer" );

 wsSetShape( &appMPlayer.mainWindow,appMPlayer.main.Mask.Image );
 wsXDNDMakeAwareness(&appMPlayer.mainWindow);

#ifdef DEBUG
  mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[main] depth on screen: %d\n",wsDepthOnScreen );
  mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[main] parent: 0x%x\n",(int)appMPlayer.mainWindow.WindowID );
  mp_msg( MSGT_GPLAYER,MSGL_DBG2,"[main] sub: 0x%x\n",(int)appMPlayer.subWindow.WindowID );
#endif

 appMPlayer.mainWindow.ReDraw=(void *)mplMainDraw;
 appMPlayer.mainWindow.MouseHandler=mplMainMouseHandle;
 appMPlayer.mainWindow.KeyHandler=mplMainKeyHandle;
 appMPlayer.mainWindow.DandDHandler=mplDandDHandler;

 appMPlayer.subWindow.ReDraw=(void *)mplSubDraw;
 appMPlayer.subWindow.MouseHandler=mplSubMouseHandle;
 appMPlayer.subWindow.KeyHandler=mplMainKeyHandle;
 appMPlayer.subWindow.DandDHandler=mplDandDHandler;

 wsSetBackgroundRGB( &appMPlayer.subWindow,appMPlayer.sub.R,appMPlayer.sub.G,appMPlayer.sub.B );
 wsClearWindow( appMPlayer.subWindow );
 if ( appMPlayer.sub.Bitmap.Image ) wsConvert( &appMPlayer.subWindow,appMPlayer.sub.Bitmap.Image,appMPlayer.sub.Bitmap.ImageSize );

 btnModify( evSetVolume,guiIntfStruct.Volume );
 btnModify( evSetBalance,guiIntfStruct.Balance );
 btnModify( evSetMoviePosition,guiIntfStruct.Position );

 wsSetIcon( wsDisplay,appMPlayer.mainWindow.WindowID,guiIcon,guiIconMask );
 wsSetIcon( wsDisplay,appMPlayer.subWindow.WindowID,guiIcon,guiIconMask );
 
 guiIntfStruct.Playing=0;

 if ( !appMPlayer.mainDecoration ) wsWindowDecoration( &appMPlayer.mainWindow,0 );
 
 wsVisibleWindow( &appMPlayer.mainWindow,wsShowWindow );
#if 0
 wsVisibleWindow( &appMPlayer.subWindow,wsShowWindow );

 {
  XEvent xev;
  do { XNextEvent( wsDisplay,&xev ); } while ( xev.type != MapNotify || xev.xmap.event != appMPlayer.subWindow.WindowID );
  appMPlayer.subWindow.Mapped=wsMapped;
 }

 if ( !fullscreen ) fullscreen=gtkLoadFullscreen;
 if ( fullscreen )
  {
   mplFullScreen();
   btnModify( evFullScreen,btnPressed );
  }
#else
 if ( !fullscreen ) fullscreen=gtkLoadFullscreen;
 if ( gtkShowVideoWindow )
 {
       wsVisibleWindow( &appMPlayer.subWindow,wsShowWindow );
       {
        XEvent xev;
        do { XNextEvent( wsDisplay,&xev ); } while ( xev.type != MapNotify || xev.xmap.event != appMPlayer.subWindow.WindowID );
        appMPlayer.subWindow.Mapped=wsMapped;
   }

       if ( fullscreen )
       {
        mplFullScreen();
        btnModify( evFullScreen,btnPressed );
       }
 }
 else
 {
       if ( fullscreen )
       {
         wsVisibleWindow( &appMPlayer.subWindow,wsShowWindow );
         {
          XEvent xev;
          do { XNextEvent( wsDisplay,&xev ); } while ( xev.type != MapNotify || xev.xmap.event != appMPlayer.subWindow.WindowID );
          appMPlayer.subWindow.Mapped=wsMapped;
         }
         wsVisibleWindow( &appMPlayer.subWindow, wsShowWindow );

          mplFullScreen();
          btnModify( evFullScreen,btnPressed );
         }
 }
#endif
 mplSubRender=1;
// ---

 if ( filename ) mplSetFileName( NULL,filename,STREAMTYPE_FILE );
 if ( plCurrent && !filename ) mplSetFileName( plCurrent->path,plCurrent->name,STREAMTYPE_FILE );
 if ( subdata ) guiSetFilename( guiIntfStruct.Subtitlename, subdata->filename );
 guiLoadFont();
}

void guiDone( void )
{
 mplMainRender=0;
 mp_msg( MSGT_GPLAYER,MSGL_V,"[GUI] done.\n" );

 if ( gui_save_pos )
  {
   gui_main_pos_x=appMPlayer.mainWindow.X; gui_main_pos_y=appMPlayer.mainWindow.Y;
   gui_sub_pos_x=appMPlayer.subWindow.X; gui_sub_pos_y=appMPlayer.subWindow.Y;
  }
 
#ifdef CONFIG_ASS
 ass_enabled = gtkASS.enabled;
 ass_use_margins = gtkASS.use_margins;
 ass_top_margin = gtkASS.top_margin;
 ass_bottom_margin = gtkASS.bottom_margin;
#endif

 cfg_write();
 wsXDone();
}

int guiCMDArray[] =
 {
  evLoadPlay,
  evLoadSubtitle,
  evAbout,
  evPlay,
  evStop,
  evPlayList,
  evPreferences,
  evFullScreen,
  evSkinBrowser
 };

extern int              stream_dump_type;
extern int  		vcd_track;
extern m_obj_settings_t * vf_settings;

void guiLoadFont( void )
{
#ifdef CONFIG_FREETYPE
  load_font_ft(vo_image_width, vo_image_height, &vo_font, font_name, osd_font_scale_factor);
#else
 if ( vo_font )
  {
   int i;
   if ( vo_font->name ) free( vo_font->name );
   if ( vo_font->fpath ) free( vo_font->fpath );
   for ( i=0;i<16;i++ )
    if ( vo_font->pic_a[i] )
     {
      if ( vo_font->pic_a[i]->bmp ) free( vo_font->pic_a[i]->bmp );
      if ( vo_font->pic_a[i]->pal ) free( vo_font->pic_a[i]->pal );
     }
   for ( i=0;i<16;i++ )
    if ( vo_font->pic_b[i] )
     {
      if ( vo_font->pic_b[i]->bmp ) free( vo_font->pic_b[i]->bmp );
      if ( vo_font->pic_b[i]->pal ) free( vo_font->pic_b[i]->pal );
     }
   free( vo_font ); vo_font=NULL;
  }
 if ( font_name )
  {
   vo_font=read_font_desc( font_name,font_factor,0 );
   if ( !vo_font ) mp_msg( MSGT_CPLAYER,MSGL_ERR,MSGTR_CantLoadFont,font_name );
  } 
  else
   {
    font_name=gstrdup( get_path( "font/font.desc" ) );
    vo_font=read_font_desc( font_name,font_factor,0 );
    if ( !vo_font )
     {
      gfree( (void **)&font_name ); font_name=gstrdup(MPLAYER_DATADIR "/font/font.desc" );
      vo_font=read_font_desc( font_name,font_factor,0 );
     }
   }
#endif
}

extern mp_osd_obj_t* vo_osd_list;

extern char **sub_name;

void guiLoadSubtitle( char * name )
{
 if ( guiIntfStruct.Playing == 0 )
  {
   guiIntfStruct.SubtitleChanged=1; //what is this for? (mw)
   return;
  }
 if ( subdata )
  {
   mp_msg( MSGT_GPLAYER,MSGL_INFO,MSGTR_DeletingSubtitles );
   sub_free( subdata );
   subdata=NULL;
   vo_sub=NULL;
   if ( vo_osd_list )
    {
     int len;
     mp_osd_obj_t * osd = vo_osd_list;
     while ( osd )
      {
       if ( osd->type == OSDTYPE_SUBTITLE ) break;
       osd=osd->next;
      }
     if ( osd && osd->flags&OSDFLAG_VISIBLE )
      {
       len=osd->stride * ( osd->bbox.y2 - osd->bbox.y1 );
       memset( osd->bitmap_buffer,0,len );
       memset( osd->alpha_buffer,0,len );
      }
    }
  }
 if ( name )
  {
   mp_msg( MSGT_GPLAYER,MSGL_INFO,MSGTR_LoadingSubtitles,name );
   subdata=sub_read_file( name, guiIntfStruct.FPS );
   if ( !subdata ) mp_msg( MSGT_GPLAYER,MSGL_ERR,MSGTR_CantLoadSub,name );
   sub_name = (malloc(2 * sizeof(char*))); //when mplayer will be restarted 
   sub_name[0] = strdup(name);             //sub_name[0] will be read 
   sub_name[1] = NULL;  
  }
 update_set_of_subtitles();

}

static void add_vf( char * str )
{
 mp_msg( MSGT_GPLAYER,MSGL_STATUS,MSGTR_AddingVideoFilter,str );
 if ( vf_settings )
  {
   int i = 0;
   while ( vf_settings[i].name ) if ( !gstrcmp( vf_settings[i++].name,str ) ) { i=-1; break; }
   if ( i != -1 )
     { vf_settings=realloc( vf_settings,( i + 2 ) * sizeof( m_obj_settings_t ) ); vf_settings[i].name=strdup( str );vf_settings[i].attribs = NULL; vf_settings[i+1].name=NULL; }
  } else { vf_settings=malloc( 2 * sizeof(  m_obj_settings_t ) ); vf_settings[0].name=strdup( str );vf_settings[0].attribs = NULL; vf_settings[1].name=NULL; }
}

static void remove_vf( char * str )
{
 int n = 0;

 if ( !vf_settings ) return;

 mp_msg( MSGT_GPLAYER,MSGL_STATUS,MSGTR_RemovingVideoFilter,str );

 while ( vf_settings[n++].name ); n--;
 if ( n > -1 )
  {
   int i = 0,m = -1;
   while ( vf_settings[i].name ) if ( !gstrcmp( vf_settings[i++].name,str ) ) { m=i - 1; break; }
   i--;
   if ( m > -1 )
    {
     if ( n == 1 ) { free( vf_settings[0].name );free( vf_settings[0].attribs ); free( vf_settings ); vf_settings=NULL; }
     else { free( vf_settings[i].name );free( vf_settings[i].attribs ); memcpy( &vf_settings[i],&vf_settings[i + 1],( n - i ) * sizeof( m_obj_settings_t ) ); }
    }
  }
}

int guiGetEvent( int type,char * arg )
{
  const ao_functions_t *audio_out = NULL;
  const vo_functions_t *video_out = NULL;
  mixer_t *mixer = NULL;

 stream_t * stream = (stream_t *) arg;
#ifdef CONFIG_DVDREAD
 dvd_priv_t * dvdp = (dvd_priv_t *) arg;
#endif 

 if (guiIntfStruct.mpcontext) {
   audio_out = mpctx_get_audio_out(guiIntfStruct.mpcontext);
   video_out = mpctx_get_video_out(guiIntfStruct.mpcontext);
   mixer = mpctx_get_mixer(guiIntfStruct.mpcontext);
 }

 switch ( type )
  {
   case guiXEvent:
        guiIntfStruct.event_struct=(void *)arg;
        wsEvents( wsDisplay,(XEvent *)arg,NULL );
        gtkEventHandling();
        break;
   case guiCEvent:
        switch ( (int)arg )
	 {
	  case guiSetPlay: 
	       guiIntfStruct.Playing=1;
//	       if ( !gtkShowVideoWindow ) wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow );
	       break;
	  case guiSetStop:
	       guiIntfStruct.Playing=0;
//	       if ( !gtkShowVideoWindow ) wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow );
	       break;
          case guiSetPause: guiIntfStruct.Playing=2; break;
	 }
	mplState();
        break;
   case guiSetState:
	mplState();
        break;
   case guiSetFileName:
        if ( arg ) guiSetFilename( guiIntfStruct.Filename,arg );
        break;
   case guiSetAudioOnly:
	guiIntfStruct.AudioOnly=(int)arg;
	if ( (int)arg ) { guiIntfStruct.NoWindow=True; wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow ); }
	  else wsVisibleWindow( &appMPlayer.subWindow,wsShowWindow );
	break;
   case guiSetContext:
	guiIntfStruct.mpcontext=(void *)arg;
   case guiSetDemuxer:
	guiIntfStruct.demuxer=(void *)arg;
	break;
   case guiSetAfilter:
	guiIntfStruct.afilter=(void *)arg;
	break;
   case guiSetShVideo:
	 {
	  if ( !appMPlayer.subWindow.isFullScreen )
	   {
	    wsResizeWindow( &appMPlayer.subWindow,vo_dwidth,vo_dheight );
            wsMoveWindow( &appMPlayer.subWindow,True,appMPlayer.sub.x,appMPlayer.sub.y );
	   }
	  guiIntfStruct.MovieWidth=vo_dwidth;
	  guiIntfStruct.MovieHeight=vo_dheight;
          if (guiWinID>=0)
            wsMoveWindow( &appMPlayer.mainWindow,0,0, vo_dheight);
         }
	break;
#ifdef CONFIG_DVDREAD
   case guiSetDVD:
        guiIntfStruct.DVD.titles=dvdp->vmg_file->tt_srpt->nr_of_srpts;
        guiIntfStruct.DVD.chapters=dvdp->vmg_file->tt_srpt->title[dvd_title].nr_of_ptts;
        guiIntfStruct.DVD.angles=dvdp->vmg_file->tt_srpt->title[dvd_title].nr_of_angles;
        guiIntfStruct.DVD.nr_of_audio_channels=dvdp->nr_of_channels;
        memcpy( guiIntfStruct.DVD.audio_streams,dvdp->audio_streams,sizeof( dvdp->audio_streams ) );
        guiIntfStruct.DVD.nr_of_subtitles=dvdp->nr_of_subtitles;
        memcpy( guiIntfStruct.DVD.subtitles,dvdp->subtitles,sizeof( dvdp->subtitles ) );
        guiIntfStruct.DVD.current_title=dvd_title + 1;
        guiIntfStruct.DVD.current_chapter=dvd_chapter + 1;
        guiIntfStruct.DVD.current_angle=dvd_angle + 1;
        guiIntfStruct.Track=dvd_title + 1;
        break;
#endif
   case guiSetStream:
	guiIntfStruct.StreamType=stream->type;
	switch( stream->type )
	 {
#ifdef CONFIG_DVDREAD
	  case STREAMTYPE_DVD: 
	       guiGetEvent( guiSetDVD,(char *)stream->priv );
	       break;
#endif
#ifdef CONFIG_VCD
	  case STREAMTYPE_VCD: 
	       {
	        int i;
		
		if (!stream->priv)
		{
		    guiIntfStruct.VCDTracks=0;
		    break;
		}
		for ( i=1;i < 100;i++ )
		  if ( vcd_seek_to_track( stream->priv,i ) < 0 ) break;
		vcd_seek_to_track( stream->priv,vcd_track );
		guiIntfStruct.VCDTracks=--i;
	        break;
	       }
#endif
	  default: break;
	 }
	break;
   case guiIEvent:
        mp_msg( MSGT_GPLAYER,MSGL_V,"cmd: %d\n",(int)arg );
	switch( (int)arg )
	 {
          case MP_CMD_QUIT:
	       mplEventHandling( evExit,0 );
	       break;
	  case MP_CMD_VO_FULLSCREEN:
	       mplEventHandling( evFullScreen,0 );
	       break;
          default:
	       mplEventHandling( guiCMDArray[ (int)arg - MP_CMD_GUI_EVENTS - 1 ],0 );
	 }
	break;
   case guiReDraw:
	mplEventHandling( evRedraw,0 );
	break;
   case guiSetVolume:
        if ( audio_out )
	{
	 float l,r;
	 mixer_getvolume( mixer,&l,&r );
	 guiIntfStruct.Volume=(r>l?r:l);
	 if ( r != l ) guiIntfStruct.Balance=( ( r - l ) + 100 ) * 0.5f;
	   else guiIntfStruct.Balance=50.0f;
	 btnModify( evSetVolume,guiIntfStruct.Volume );
	 btnModify( evSetBalance,guiIntfStruct.Balance );
	}
	break;
   case guiSetFileFormat:
        guiIntfStruct.FileFormat=(int)arg;
	break;
   case guiSetValues:
// -- video
	guiIntfStruct.sh_video=arg;
	if ( arg )
	 {
	  sh_video_t * sh = (sh_video_t *)arg;
	  guiIntfStruct.FPS=sh->fps;
	 }

	if ( guiIntfStruct.NoWindow ) wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow );
	
	if ( guiIntfStruct.StreamType == STREAMTYPE_STREAM ) btnSet( evSetMoviePosition,btnDisabled );
	 else btnSet( evSetMoviePosition,btnReleased );
	 
// -- audio
        if ( audio_out )
	{
	 float l,r;
	 mixer_getvolume( mixer,&l,&r );
	 guiIntfStruct.Volume=(r>l?r:l);
	 if ( r != l ) guiIntfStruct.Balance=( ( r - l ) + 100 ) * 0.5f;
	   else guiIntfStruct.Balance=50.0f;
	 btnModify( evSetVolume,guiIntfStruct.Volume );
	 btnModify( evSetBalance,guiIntfStruct.Balance );
	}

	if ( gtkEnableAudioEqualizer )
	 {
	  equalizer_t eq;
	  int i,j;
	  for ( i=0;i<6;i++ )
	    for ( j=0;j<10;j++ )
	     {
	      eq.channel=i; eq.band=j; eq.gain=gtkEquChannels[i][j];
	      gtkSet( gtkSetEqualizer,0,&eq );
	     }
	 }
// -- subtitle
#ifdef CONFIG_DXR3
	if ( video_driver_list && !gstrcmp( video_driver_list[0],"dxr3" ) && guiIntfStruct.FileFormat != DEMUXER_TYPE_MPEG_PS
#ifdef CONFIG_LIBAVCODEC
	 && !gtkVfLAVC
#endif
	 )
	 {
	  gtkMessageBox( GTK_MB_FATAL,MSGTR_NEEDLAVC );
	  guiIntfStruct.Playing=0;
	  return True;
	 }
#endif
	break;
   case guiSetDefaults:
//        if ( guiIntfStruct.Playing == 1 && guiIntfStruct.FilenameChanged )
	if ( guiIntfStruct.FilenameChanged )
         {
          audio_id=-1;
	  video_id=-1;
	  dvdsub_id=-1;
	  vobsub_id=-1;
          stream_cache_size=-1;
	  autosync=0;
	  vcd_track=0;
	  dvd_title=0;
	  force_fps=0;
	 }				
	guiIntfStruct.demuxer=NULL;
	guiIntfStruct.sh_video=NULL;
	wsPostRedisplay( &appMPlayer.subWindow );
	break;
   case guiSetParameters:
        guiGetEvent( guiSetDefaults,NULL );
        switch ( guiIntfStruct.StreamType ) 
         {
	  case STREAMTYPE_PLAYLIST:
	       break;
#ifdef CONFIG_VCD
	  case STREAMTYPE_VCD:
	       {
	        char tmp[512];
		sprintf( tmp,"vcd://%d",guiIntfStruct.Track + 1 );
		guiSetFilename( guiIntfStruct.Filename,tmp );
	       }
	       break;
#endif
#ifdef CONFIG_DVDREAD
 	  case STREAMTYPE_DVD:
	       {
	        char tmp[512];
		sprintf( tmp,"dvd://%d",guiIntfStruct.Title );
		guiSetFilename( guiIntfStruct.Filename,tmp );
	       }
	       dvd_chapter=guiIntfStruct.Chapter;
	       dvd_angle=guiIntfStruct.Angle;
	       break;
#endif
	 }
	//if ( guiIntfStruct.StreamType != STREAMTYPE_PLAYLIST ) // Does not make problems anymore!
	 {	
	  if ( guiIntfStruct.Filename ) filename=gstrdup( guiIntfStruct.Filename );
	   else if ( filename ) guiSetFilename( guiIntfStruct.Filename,filename );
	 }
// --- video opts
       
       if ( !video_driver_list )
	{
         int i = 0;
           while ( video_out_drivers[i++] )
	    if ( video_out_drivers[i - 1]->control( VOCTRL_GUISUPPORT,NULL ) == VO_TRUE ) 
	     {
	      gaddlist( &video_driver_list,(char *)video_out_drivers[i - 1]->info->short_name );
	      break;
	     }
	 }
	
	if ( !video_driver_list && !video_driver_list[0] ) { gtkMessageBox( GTK_MB_FATAL,MSGTR_IDFGCVD ); exit_player( "gui init" ); }

	{
	 int i = 0;
         guiIntfStruct.NoWindow=False;
         while ( video_out_drivers[i++] )
	  if ( video_out_drivers[i - 1]->control( VOCTRL_GUISUPPORT,NULL ) == VO_TRUE ) 
	   {
	    if  ( ( video_driver_list && !gstrcmp( video_driver_list[0],(char *)video_out_drivers[i - 1]->info->short_name ) )&&( video_out_drivers[i - 1]->control( VOCTRL_GUI_NOWINDOW,NULL ) == VO_TRUE ) ) 
	      { guiIntfStruct.NoWindow=True; break; }
	   }
	}

#ifdef CONFIG_DXR3
#ifdef CONFIG_LIBAVCODEC
	remove_vf( "lavc" );
#endif
	if ( video_driver_list && !gstrcmp( video_driver_list[0],"dxr3" ) )
	 {
	  if ( ( guiIntfStruct.StreamType != STREAMTYPE_DVD)&&( guiIntfStruct.StreamType != STREAMTYPE_VCD ) )
	   {
#ifdef CONFIG_LIBAVCODEC
	    if ( gtkVfLAVC ) add_vf( "lavc" );
#endif
	   }
	 }
#endif
// ---	 
	if ( gtkVfPP ) add_vf( "pp" );
	 else remove_vf( "pp" );
		 
// --- audio opts
//	if ( ao_plugin_cfg.plugin_list ) { free( ao_plugin_cfg.plugin_list ); ao_plugin_cfg.plugin_list=NULL; }
	if (gtkAONorm)
	  greplace(&af_cfg.list, "volnorm", "volnorm");
	if (gtkEnableAudioEqualizer)
	  greplace(&af_cfg.list, "equalizer", "equalizer");
	if ( gtkAOExtraStereo )
	 {
	  char *name = malloc(12 + 20 + 1);
	  snprintf(name, 12 + 20, "extrastereo=%f", gtkAOExtraStereoMul);
	  name[12 + 20] = 0;
	  greplace(&af_cfg.list, "extrastereo", name);
	  free(name);
	 }
#ifdef CONFIG_OSS_AUDIO
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"oss",3 ) )
	 {
	  char *tmp;
	  mixer_device = gtkAOOSSMixer;
	  mixer_channel = gtkAOOSSMixerChannel;
	  if (gtkAOOSSDevice) {
	  tmp = calloc( 1,strlen( gtkAOOSSDevice ) + 7 );
	  sprintf( tmp,"oss:%s",gtkAOOSSDevice );
	  } else
	    tmp = strdup("oss");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);
	 }
#endif
#ifdef CONFIG_ALSA
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"alsa",4 ) )
	 {
	  char *tmp;
	  mixer_device = gtkAOALSAMixer;
	  mixer_channel = gtkAOALSAMixerChannel;
	  if (gtkAOALSADevice) {
	    tmp = calloc( 1,strlen( gtkAOALSADevice ) + 14 );
	    sprintf( tmp,"alsa:device=%s",gtkAOALSADevice );
	  } else
	    tmp = strdup("alsa");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);
	 }
#endif
#ifdef CONFIG_SDL
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"sdl",3 ) )
	 {
	  char *tmp;
	  if (gtkAOSDLDriver) {
	  tmp = calloc( 1,strlen( gtkAOSDLDriver ) + 10 );
	  sprintf( tmp,"sdl:%s",gtkAOSDLDriver );
	  } else
	    tmp = strdup("sdl");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);
	 }
#endif
#ifdef CONFIG_ESD
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"esd",3 ) )
	 {
	  char *tmp;
	  if (gtkAOESDDevice) {
	  tmp = calloc( 1,strlen( gtkAOESDDevice ) + 10 );
	  sprintf( tmp,"esd:%s",gtkAOESDDevice );
	  } else
	    tmp = strdup("esd");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);
	 }
#endif
// -- subtitle
	//subdata->filename=gstrdup( guiIntfStruct.Subtitlename );
	stream_dump_type=0;
	if ( gtkSubDumpMPSub ) stream_dump_type=4;
	if ( gtkSubDumpSrt ) stream_dump_type=6;
	gtkSubDumpMPSub=gtkSubDumpSrt=0;
        guiLoadFont();

// --- misc		    
	if ( gtkCacheOn ) stream_cache_size=gtkCacheSize;
	if ( gtkAutoSyncOn ) autosync=gtkAutoSync;

        if ( guiIntfStruct.AudioFile ) audio_stream=gstrdup( guiIntfStruct.AudioFile );
	  else if ( guiIntfStruct.FilenameChanged ) gfree( (void**)&audio_stream );
	  //audio_stream=NULL;
	
        guiIntfStruct.DiskChanged=0;
        guiIntfStruct.FilenameChanged=0;
        guiIntfStruct.NewPlay=0;

#ifdef CONFIG_ASS
        ass_enabled = gtkASS.enabled;
        ass_use_margins = gtkASS.use_margins;
        ass_top_margin = gtkASS.top_margin;
        ass_bottom_margin = gtkASS.bottom_margin;
#endif

	break;
  }
 return False;
}

void guiEventHandling( void )
{
 if ( !guiIntfStruct.Playing || guiIntfStruct.NoWindow ) wsHandleEvents();
 gtkEventHandling();
}

// --- 

float gtkEquChannels[6][10];

plItem * plCurrent = NULL;
plItem * plList = NULL;
plItem * plLastPlayed = NULL;

URLItem *URLList = NULL;

char    *fsHistory[fsPersistant_MaxPos] = { NULL,NULL,NULL,NULL,NULL };

#if defined( MP_DEBUG ) && 0
void list( void )
{
 plItem * next = plList;
 printf( "--- list ---\n" );
 while( next || next->next )
  {
   printf( "item: %s/%s\n",next->path,next->name );
   if ( next->next ) next=next->next; else break;
  }
 printf( "--- end of list ---\n" );
}
#else
#define list();
#endif

void * gtkSet( int cmd,float fparam, void * vparam )
{
 equalizer_t * eq = (equalizer_t *)vparam;
 plItem      * item = (plItem *)vparam;
 
 URLItem     * url_item = (URLItem *)vparam;
 int           is_added = True;

 switch ( cmd )
  {
// --- handle playlist
   case gtkAddPlItem: // add item to playlist
	if ( plList )
	 {
	  plItem * next = plList;
	  while ( next->next ) { /*printf( "%s\n",next->name );*/ next=next->next; }
	  next->next=item; item->prev=next;
	 } else { item->prev=item->next=NULL; plCurrent=plList=item; }
        list();
        return NULL;
   case gtkInsertPlItem: // add item into playlist after current
	if ( plCurrent )
	 {
	  plItem * curr = plCurrent;
	  item->next=curr->next;
	  if (item->next)
	    item->next->prev=item;
	  item->prev=curr;
	  curr->next=item;
	  plCurrent=plCurrent->next;
	  return plCurrent;
	 }
	 else
	   return gtkSet(gtkAddPlItem,0,(void*)item);
        return NULL;
   case gtkGetNextPlItem: // get current item from playlist
	if ( plCurrent && plCurrent->next)
	 {
	  plCurrent=plCurrent->next;
	  /*if ( !plCurrent && plList ) 
	   {
	    plItem * next = plList;
	    while ( next->next ) { if ( !next->next ) break; next=next->next; }
	    plCurrent=next;
	   }*/
	  return plCurrent;
	 }
        return NULL;
   case gtkGetPrevPlItem:
	if ( plCurrent && plCurrent->prev)
	 {
	  plCurrent=plCurrent->prev;
	  //if ( !plCurrent && plList ) plCurrent=plList;
	  return plCurrent;
	 }
	return NULL;
   case gtkSetCurrPlItem: // set current item
	plCurrent=item;
        return plCurrent;
   case gtkGetCurrPlItem: // get current item
        return plCurrent;
   case gtkDelCurrPlItem: // delete current item
	{
	 plItem * curr = plCurrent;

	 if (!curr)
	   return NULL;
	 if (curr->prev)
	   curr->prev->next=curr->next;
	 if (curr->next)
	   curr->next->prev=curr->prev;
	 if (curr==plList)
	   plList=curr->next;
	 plCurrent=curr->next;
	 // Free it
	 if ( curr->path ) free( curr->path );
	 if ( curr->name ) free( curr->name );
	 free( curr ); 
        }
	mplCurr(); // Instead of using mplNext && mplPrev

	return plCurrent;
   case gtkDelPl: // delete list
        {
	 plItem * curr = plList;
	 plItem * next;
	 if ( !plList ) return NULL;
	 if ( !curr->next )
	  {
	   if ( curr->path ) free( curr->path );
	   if ( curr->name ) free( curr->name );
	   free( curr ); 
	  }
	  else
	   {
	    while ( curr->next )
	     {
	      next=curr->next;
	      if ( curr->path ) free( curr->path );
	      if ( curr->name ) free( curr->name );
	      free( curr ); 
	      curr=next;
	     }
	   }
	  plList=NULL; plCurrent=NULL;
	}
        return NULL;
   // ----- Handle url
   case gtkAddURLItem:
        if ( URLList )
	 {
          URLItem * next_url = URLList;
          is_added = False;
          while ( next_url->next )
           {
            if ( !gstrcmp( next_url->url,url_item->url ) )
             {
              is_added=True;
              break;
             }
            next_url=next_url->next;
           }
          if ( ( !is_added )&&( gstrcmp( next_url->url,url_item->url ) ) ) next_url->next=url_item;
         } else { url_item->next=NULL; URLList=url_item; }
        return NULL;
// --- subtitle
#ifndef CONFIG_FREETYPE
   case gtkSetFontFactor:
        font_factor=fparam;
	guiLoadFont();
	return NULL;
#else
   case gtkSetFontOutLine:
        subtitle_font_thickness=( 8.0f / 100.0f ) * fparam;
	guiLoadFont();
	return NULL;
   case gtkSetFontBlur:
	subtitle_font_radius=( 8.0f / 100.0f ) * fparam;
	guiLoadFont();
	return NULL;
   case gtkSetFontTextScale:
	text_font_scale_factor=fparam;
	guiLoadFont();
	return NULL;
   case gtkSetFontOSDScale:
	osd_font_scale_factor=fparam;
	guiLoadFont();
	return NULL;
   case gtkSetFontEncoding:
	gfree( (void **)&subtitle_font_encoding );
	subtitle_font_encoding=gstrdup( (char *)vparam );
	guiLoadFont();
	return NULL;
   case gtkSetFontAutoScale:
	subtitle_autoscale=(int)fparam;
	guiLoadFont();
	return NULL;
#endif
#ifdef CONFIG_ICONV
   case gtkSetSubEncoding:
	gfree( (void **)&sub_cp );
	sub_cp=gstrdup( (char *)vparam );
	break;
#endif
// --- misc
   case gtkClearStruct:
        if ( (unsigned int)vparam & guiFilenames )
	 {
	  gfree( (void **)&guiIntfStruct.Filename );
	  gfree( (void **)&guiIntfStruct.Subtitlename );
	  gfree( (void **)&guiIntfStruct.AudioFile );
	  gtkSet( gtkDelPl,0,NULL );
	 }
#ifdef CONFIG_DVDREAD
	if ( (unsigned int)vparam & guiDVD ) memset( &guiIntfStruct.DVD,0,sizeof( guiDVDStruct ) );
#endif
#ifdef CONFIG_VCD
	if ( (unsigned int)vparam & guiVCD ) guiIntfStruct.VCDTracks=0;
#endif
	return NULL;
   case gtkSetExtraStereo:
        gtkAOExtraStereoMul=fparam;
        if (guiIntfStruct.afilter)
          af_control_any_rev(guiIntfStruct.afilter,
             AF_CONTROL_ES_MUL | AF_CONTROL_SET, &gtkAOExtraStereoMul);
        return NULL;
   case gtkSetPanscan:
        {
	 mp_cmd_t * mp_cmd;
         mp_cmd=calloc( 1,sizeof( *mp_cmd ) );
         mp_cmd->id=MP_CMD_PANSCAN;    mp_cmd->name=strdup( "panscan" );
	 mp_cmd->args[0].v.f=fparam;   mp_cmd->args[1].v.i=1;
	 mp_input_queue_cmd( mp_cmd );
	}
        return NULL;
   case gtkSetAutoq:
	auto_quality=(int)fparam;
	return NULL;
// --- set equalizers
   case gtkSetContrast:
        if ( guiIntfStruct.sh_video ) set_video_colors( guiIntfStruct.sh_video,"contrast",(int)fparam );
	return NULL;
   case gtkSetBrightness:
        if ( guiIntfStruct.sh_video ) set_video_colors( guiIntfStruct.sh_video,"brightness",(int)fparam );
	return NULL;
   case gtkSetHue:
        if ( guiIntfStruct.sh_video ) set_video_colors( guiIntfStruct.sh_video,"hue",(int)fparam );
	return NULL;
   case gtkSetSaturation:
        if ( guiIntfStruct.sh_video ) set_video_colors( guiIntfStruct.sh_video,"saturation",(int)fparam );
	return NULL;
   case gtkSetEqualizer:
     {
        af_control_ext_t tmp;
        if ( eq )
	 {
          gtkEquChannels[eq->channel][eq->band]=eq->gain;
          tmp.ch = eq->channel;
          tmp.arg = gtkEquChannels[eq->channel];
          if (guiIntfStruct.afilter)
            af_control_any_rev(guiIntfStruct.afilter,
               AF_CONTROL_EQUALIZER_GAIN | AF_CONTROL_SET, &tmp);
	 }
	 else
	  {
	   int i;
	   memset( gtkEquChannels,0,sizeof( gtkEquChannels ) );
	   if (guiIntfStruct.afilter)
	   for ( i=0;i<6;i++ )
	    {
	     tmp.ch = i;
	     tmp.arg = gtkEquChannels[i];
	     af_control_any_rev(guiIntfStruct.afilter,
	        AF_CONTROL_EQUALIZER_GAIN | AF_CONTROL_SET, &tmp);
	    }
	  }
	return NULL;
     }
  }
 return NULL;
}

#define mp_basename(s) (strrchr(s,'/')==NULL?(char*)s:(strrchr(s,'/')+1))

#include "playtree.h"

//This function adds/inserts one file into the gui playlist

int import_file_into_gui(char* temp, int insert)
{
  char *filename, *pathname;
  plItem * item;
	
  filename = strdup(mp_basename(temp));
  pathname = strdup(temp);
  if (strlen(pathname)-strlen(filename)>0)
    pathname[strlen(pathname)-strlen(filename)-1]='\0'; // We have some path so remove / at end
  else
    pathname[strlen(pathname)-strlen(filename)]='\0';
  mp_msg(MSGT_PLAYTREE,MSGL_V, "Adding filename %s && pathname %s\n",filename,pathname); //FIXME: Change to MSGL_DBG2 ?
  item=calloc( 1,sizeof( plItem ) );
  if (!item)
     return 0;
  item->name=filename;
  item->path=pathname;
  if (insert)
    gtkSet( gtkInsertPlItem,0,(void*)item ); // Inserts the item after current, and makes current=item
  else
    gtkSet( gtkAddPlItem,0,(void*)item );
  return 1;
}


// This function imports the initial playtree (based on cmd-line files) into the gui playlist
// by either:
//   - overwriting gui pl (enqueue=0)
//   - appending it to gui pl (enqueue=1)

int import_initial_playtree_into_gui(play_tree_t* my_playtree, m_config_t* config, int enqueue)
{
  play_tree_iter_t* my_pt_iter=NULL;
  int result=0;
  
  if (!enqueue) // Delete playlist before "appending"
    gtkSet(gtkDelPl,0,0);
  
  if((my_pt_iter=pt_iter_create(&my_playtree,config)))
  {
    while ((filename=pt_iter_get_next_file(my_pt_iter))!=NULL)
    {
      if (import_file_into_gui(filename, 0)) // Add it to end of list
        result=1;
    }
  }

  mplCurr(); // Update filename
  mplGotoTheNext=1;

  if (!enqueue)
    filename=guiIntfStruct.Filename; // Backward compatibility; if file is specified on commandline,
  				     // gmplayer does directly start in Play-Mode.
  else 
    filename=NULL;

  return result;
}

// This function imports and inserts an playtree, that is created "on the fly", for example by
// parsing some MOV-Reference-File; or by loading an playlist with "File Open"
//
// The file which contained the playlist is thereby replaced with it's contents.

int import_playtree_playlist_into_gui(play_tree_t* my_playtree, m_config_t* config)
{ 
  play_tree_iter_t* my_pt_iter=NULL;
  int result=0;
  plItem * save=(plItem*)gtkSet( gtkGetCurrPlItem, 0, 0); // Save current item

  if((my_pt_iter=pt_iter_create(&my_playtree,config)))
  {
    while ((filename=pt_iter_get_next_file(my_pt_iter))!=NULL)
    {
      if (import_file_into_gui(filename, 1)) // insert it into the list and set plCurrent=new item 
        result=1;
    }
    pt_iter_destroy(&my_pt_iter);
  }

  if (save) 
    gtkSet(gtkSetCurrPlItem, 0, (void*)save);
  else
    gtkSet(gtkSetCurrPlItem, 0, (void*)plList); // go to head, if plList was empty before

  if (save && result)
    gtkSet(gtkDelCurrPlItem, 0, 0);
  
  mplCurr();  // Update filename
  filename=NULL;
  
  return result;
}

// wrapper function for mp_msg to display a message box for errors and warnings.

void guiMessageBox(int level, char * str) {
	switch(level) {
		case MSGL_FATAL:
			gtkMessageBox(GTK_MB_FATAL|GTK_MB_SIMPLE, str);
			break;
		case MSGL_ERR:
			gtkMessageBox(GTK_MB_ERROR|GTK_MB_SIMPLE, str);
			break;
#if 0
// WARNING! Do NOT enable this! There are too many non-critical messages with
// MSGL_WARN, for example: broken SPU packets, codec's bit error messages,
// etc etc, they should not raise up a new window every time.
		case MSGL_WARN:
			gtkMessageBox(GTK_MB_WARNING|GTK_MB_SIMPLE, str);
			break;
#endif
	}
}