コード例 #1
0
/*********************************************************************
*
*       _cbCallback
*/
static void _cbCallback(WM_MESSAGE * pMsg) {
  int NCode, Id;
  WM_HWIN hEdit0, hEdit1, hEdit2, hEdit3, hListBox, hDropd0, hDropd1;
  WM_HWIN hWin = pMsg->hWin;
  switch (pMsg->MsgId) {
    case WM_INIT_DIALOG:
      /* Get window handles for all widgets */
      hEdit0   = WM_GetDialogItem(hWin, GUI_ID_EDIT0);
      hEdit1   = WM_GetDialogItem(hWin, GUI_ID_EDIT1);
      hEdit2   = WM_GetDialogItem(hWin, GUI_ID_EDIT2);
      hEdit3   = WM_GetDialogItem(hWin, GUI_ID_EDIT3);
      hListBox = WM_GetDialogItem(hWin, GUI_ID_LISTBOX0);
      hDropd0  = WM_GetDialogItem(hWin, GUI_ID_DROPDOWN0);
      hDropd1  = WM_GetDialogItem(hWin, GUI_ID_DROPDOWN1);
      /* Initialize all widgets */
      EDIT_SetText(hEdit0, "EDIT widget 0");
      EDIT_SetText(hEdit1, "EDIT widget 1");
      EDIT_SetTextAlign(hEdit1, GUI_TA_LEFT);
      EDIT_SetHexMode(hEdit2, 0x1234, 0, 0xffffff);
      EDIT_SetBinMode(hEdit3, 0x1234, 0, 0xffff);
      LISTBOX_SetText(hListBox, _apListBox);
      WM_DisableWindow (WM_GetDialogItem(hWin, GUI_ID_CHECK1));
      CHECKBOX_Check(  WM_GetDialogItem(hWin, GUI_ID_CHECK0));
      CHECKBOX_Check(  WM_GetDialogItem(hWin, GUI_ID_CHECK1));
      SLIDER_SetWidth( WM_GetDialogItem(hWin, GUI_ID_SLIDER0), 5);
      SLIDER_SetValue( WM_GetDialogItem(hWin, GUI_ID_SLIDER1), 50);
      SCROLLBAR_CreateAttached(hListBox, SCROLLBAR_CF_VERTICAL);
      DROPDOWN_AddString(hDropd0, "Item 0");
      DROPDOWN_AddString(hDropd0, "Item 1");
      DROPDOWN_AddString(hDropd0, "Item 2");
      DROPDOWN_AddString(hDropd1, "Item 0");
      DROPDOWN_AddString(hDropd1, "Item 1");
      DROPDOWN_AddString(hDropd1, "Item 2");
      DROPDOWN_AddString(hDropd1, "Item 3");
      DROPDOWN_AddString(hDropd1, "Item 4");
      break;
    case WM_KEY:
      switch (((WM_KEY_INFO*)(pMsg->Data.p))->Key) {
      case GUI_KEY_ESCAPE:
        GUI_EndDialog(hWin, 1);
        break;
      case GUI_KEY_ENTER:
        GUI_EndDialog(hWin, 0);
        break;
      }
      break;
    case WM_NOTIFY_PARENT:
      Id    = WM_GetId(pMsg->hWinSrc);    /* Id of widget */
      NCode = pMsg->Data.v;               /* Notification code */
      switch (NCode) {
        case WM_NOTIFICATION_RELEASED:    /* React only if released */
          if (Id == GUI_ID_OK) {          /* OK Button */
            GUI_EndDialog(hWin, 0);
          }
          if (Id == GUI_ID_CANCEL) {      /* Cancel Button */
            GUI_EndDialog(hWin, 1);
          }
          break;
      }
      break;
    default:
      WM_DefaultProc(pMsg);
  }
}
コード例 #2
0
/**
  * @brief  Callback routine of the dialog
  * @param  pMsg: pointer to a data structure of type WM_MESSAGE
  * @retval None
  */
static void _cbDialog(WM_MESSAGE * pMsg) {
  WM_HWIN hItem, hClient;
  GUI_RECT r;
  int Id, NCode, offset;
  
  switch (pMsg->MsgId) 
  {
  case WM_INIT_DIALOG:
    
    hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_DURATION);   
    TEXT_SetFont(hItem, GUI_FONT_13HB_ASCII);
    TEXT_SetTextColor(hItem, 0x00804000);   
    
    hClient = WM_GetClientWindow(pMsg->hWin);
    WM_GetClientRectEx(hClient, &r);
    hVideoScreen = WM_CreateWindowAsChild(r.x0 + 2, r.y0 + 2, r.x1 - 2, r.y1 - 118, hClient, WM_CF_SHOW, _cbVideoWindow , 0);
    hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
    
    BUTTON_SetBitmapEx(hItem, 0, &bmButtonPlayPauseOn, 16, 6);
    BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,16, 6);
    
    hItem = WM_GetDialogItem(pMsg->hWin, PREV_BUTTON_VIDEO);     
    BUTTON_SetBitmapEx(hItem, 0, &bmButtonPreviousOn, 16, 6);
    BUTTON_SetBitmapEx(hItem, 1, &bmButtonPreviousOff,16, 6);
    
    hItem = WM_GetDialogItem(pMsg->hWin, NEXT_BUTTON_VIDEO);     
    BUTTON_SetBitmapEx(hItem, 0, &bmButtonNextOn, 16, 6);
    BUTTON_SetBitmapEx(hItem, 1, &bmButtonNextOff,16, 6); 
    
    hItem = WM_GetDialogItem(pMsg->hWin, STOP_BUTTON_VIDEO);     
    BUTTON_SetBitmapEx(hItem, 0, &bmButtonStopOn, 16, 6);
    BUTTON_SetBitmapEx(hItem, 1, &bmButtonStopOff,16, 6); 
    
    hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_PROGRESS);       
    SLIDER_SetRange(hItem, 0, 100);
    SLIDER_SetWidth( hItem, 5);
    VideoPlayer_State = VIDEO_IDLE;
    
    _GetMJPEGFileList("0:");
    
    hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_FILE);   
    if (FILEMGR_FileList.ptr == 0)
    {
      TEXT_SetFont(hItem, GUI_FONT_20B_ASCII);
      TEXT_SetTextColor(hItem, GUI_BROWN);
    }
    else
    {
      TEXT_SetFont(hItem, GUI_FONT_13B_ASCII);
      TEXT_SetTextColor(hItem, 0x00804000);
    }
    
    do_clear = 1;
    
    if (FILEMGR_FileList.ptr > 0)
    {
      if(f_open(&Video_File, (char *)FILEMGR_FileList.file[FILEMGR_FileList.idx].line, FA_OPEN_EXISTING | FA_READ) == FR_OK)
      {
        hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_FILE);
        TEXT_SetText(hItem, (char *)FILEMGR_FileList.file[FILEMGR_FileList.idx].line);            
        VideoPlayer_State = VIDEO_PLAY;
        ImageOffset = 0;
        time_start = GUI_GetTime();
        hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
        BUTTON_SetBitmapEx(hItem, 0, &bmButtonPlay, 16, 6);
        BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,16, 6);
      }
      else
      {
        /* error */
      }
    }
    break;
    
  case WM_PAINT: 
    break;
   
  case  WM_NOTIFY_CHILD_HAS_FOCUS:
    do_clear = 1;
    break;
    
  case WM_NOTIFY_PARENT:
    Id    = WM_GetId(pMsg->hWinSrc);
    NCode = pMsg->Data.v;
    
    if(NCode == WM_NOTIFICATION_CHILD_DELETED)
    {
      f_close(&Video_File);
      WM_NotifyParent(WM_GetParent(pMsg->hWin), 0x500);      
      break; 
    }   
    
    switch(Id) {
      
    case PLAY_BUTTON_VIDEO: // Notifications sent by 'Button'
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        
        if(VideoPlayer_State == VIDEO_IDLE)
        {
          if (FILEMGR_FileList.ptr > 0)
          {
            if(f_open(&Video_File, (char *)FILEMGR_FileList.file[FILEMGR_FileList.idx].line, FA_OPEN_EXISTING | FA_READ) == FR_OK)
            {
              hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_FILE);
              TEXT_SetText(hItem, (char *)FILEMGR_FileList.file[FILEMGR_FileList.idx].line);            
              VideoPlayer_State = VIDEO_PLAY;
              ImageOffset = 0;
              time_start = GUI_GetTime();
              hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
              BUTTON_SetBitmapEx(hItem, 0, &bmButtonPlay, 16, 6);
              BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,16, 6);
            }
            else
            {
              /* error */
            }
          }
          else
          {
            /* No file */
          }
        }
        else if(VideoPlayer_State == VIDEO_PLAY)
        {
          time_pause = GUI_GetTime();
          hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
          BUTTON_SetBitmapEx(hItem, 0, &bmButtonPause, 16, 6);
          BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,16, 6);
          VideoPlayer_State = VIDEO_PAUSE;
        }
        else if(VideoPlayer_State == VIDEO_PAUSE)
        {
          time_start = GUI_GetTime()+ time_start - time_pause ;
          hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
          BUTTON_SetBitmapEx(hItem, 0, &bmButtonPlay, 16, 6);
          BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,16, 6);
          VideoPlayer_State = VIDEO_PLAY;
        }        
        break;
      }
      break;
    case PREV_BUTTON_VIDEO: /* Notifications sent by 'Button' */
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        if(VideoPlayer_State != VIDEO_IDLE)
        {
          ImageOffset = 0;  
          time_start = GUI_GetTime();
          VideoPlayer_State = VIDEO_PLAY;
          f_close(&Video_File);
          goto_previous_file();
          hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_FILE);
          TEXT_SetText(hItem, (char *)FILEMGR_FileList.file[FILEMGR_FileList.idx].line);   
          hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
          BUTTON_SetBitmapEx(hItem, 0, &bmButtonPlay, 16, 6);
          BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,6, 6);
        }
        break;
      }
      break;
      
      
    case ID_VIDEO_EXIT:
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        {
          GUI_EndDialog(pMsg->hWin, 0);
        }
        break;        
      }
      break;
      
    case ID_VIDEO_PROGRESS: /* Notifications sent by 'Progress Bar' */
      switch(NCode) {
        
      case WM_NOTIFICATION_CLICKED:
        {
          progress_bar = 1;
          hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_PROGRESS);
          ImageOffset = (Video_File.fsize * SLIDER_GetValue(hItem))/100;
          offset =ImageOffset - Video_File.fptr;
          time_start -= (offset / frame_speed);
          
          
        }
        break;
        
      case WM_NOTIFICATION_RELEASED:
        progress_bar = 0;
        break;
      }
      break;
      
      
    case NEXT_BUTTON_VIDEO: /* Notifications sent by 'Button' */
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        
        if(VideoPlayer_State != VIDEO_IDLE)
        {       
          ImageOffset = 0; 
          VideoPlayer_State = VIDEO_PLAY;          
          time_start = GUI_GetTime();
          f_close(&Video_File);
          goto_next_file();      
          hItem = WM_GetDialogItem(pMsg->hWin, ID_VIDEO_FILE);
          TEXT_SetText(hItem, (char *)FILEMGR_FileList.file[FILEMGR_FileList.idx].line);
          hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
          BUTTON_SetBitmapEx(hItem, 0, &bmButtonPlay, 16, 6);
          BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,16, 6);   
        }     
        break;
      }
      break;
    case STOP_BUTTON_VIDEO: /* Notifications sent by 'Button' */
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        VideoPlayer_State = VIDEO_IDLE;
        f_close(&Video_File);
        hItem = WM_GetDialogItem(pMsg->hWin, PLAY_BUTTON_VIDEO);
        BUTTON_SetBitmapEx(hItem, 0, &bmButtonPlayPauseOn, 16, 6);
        BUTTON_SetBitmapEx(hItem, 1, &bmButtonPlayPauseOff,16, 6);     
        break;
      }
      break;
    }
    break;
  default:
    WM_DefaultProc(pMsg);
    break;
  }
}
コード例 #3
0
/**
  * @brief  callback for video window
  * @param  pMsg: pointer to a data structure of type WM_MESSAGE
  * @retval None
  */
static void _cbplaybackwin(WM_MESSAGE * pMsg) 
{
  WM_HWIN hItem;
  int Id, NCode;
  char tmp[64];
  
  switch (pMsg->MsgId) 
  {
  case WM_CREATE:
    SelLayer = 1;    
   
    hItem = BUTTON_CreateEx(398 - 160, 442, 40, 40, pMsg->hWin, WM_CF_SHOW, 0, ID_BUTTON_BACK);
    WM_SetCallback(hItem, _cbButton_back);
    
    hItem = BUTTON_CreateEx(449 - 160, 442, 40, 40, pMsg->hWin, WM_CF_SHOW, 0, ID_BUTTON_STOP);
    WM_SetCallback(hItem, _cbButton_stop); 

    hItem = BUTTON_CreateEx(495 - 160, 441, 40, 40, pMsg->hWin, WM_CF_SHOW, 0, PLAY_VIDEO_ID);
    WM_SetCallback(hItem, _cbButton_play);
        
    hItem = BUTTON_CreateEx(540 - 160, 442, 40, 40, pMsg->hWin, WM_CF_SHOW, 0, ID_BUTTON_FORE);
    WM_SetCallback(hItem, _cbButton_fore);
    
    hItem = SLIDER_CreateEx(72, 420, 510, 13, pMsg->hWin, WM_CF_SHOW, 0, ID_SLIDER_DURATION);
    SLIDER_SetBkColor(hItem, GUI_TRANSPARENT);
    SLIDER_SetFocusColor (hItem, 0x00DCA939);
    SLIDER_SetValue(hItem, 0);
    SLIDER_SetWidth(hItem, 0);
    SLIDER_SetSTSkin(hItem);    
       
    hItem = BUTTON_CreateEx(568, 0, 70, 70, pMsg->hWin, WM_CF_SHOW, 0, ID_BUTTON_MENU);
    WM_SetCallback(hItem, _cbButton_menu);     
    
    hItem = BUTTON_CreateEx(0, 410, 70, 70, pMsg->hWin, WM_CF_SHOW, 0, ID_BUTTON_EXIT_FROM_VIDEO);
    WM_SetCallback(hItem, _cbButton_exit1);   
    
    /* Title Initialization in play list */   
    hItem = TEXT_CreateEx(10, 20, 100, 40, pMsg->hWin, WM_CF_SHOW, 0, ID_ELAPSED_TIME, "00:00");
    TEXT_SetFont(hItem, GUI_FONT_20B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE);     
    
    /* Title Initialization in play list */   
    hItem = TEXT_CreateEx(50, 40, 50, 30, pMsg->hWin, WM_CF_SHOW, 0, ID_TIME, "00:00");
    TEXT_SetFont(hItem, GUI_FONT_16B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE);  
    
    hItem = TEXT_CreateEx(150, 20, 350, 30, pMsg->hWin, WM_CF_SHOW, TEXT_CF_HCENTER, ID_VIDEO_NAME, "File Name");
    TEXT_SetFont(hItem, GUI_FONT_20B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE); 
    
    hItem = TEXT_CreateEx(150, 48, 350, 30, pMsg->hWin, WM_CF_SHOW, TEXT_CF_HCENTER, ID_VIDEO_FORMAT, "Format : MJPEG");
    TEXT_SetFont(hItem, GUI_FONT_13B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE);
    
    hItem = TEXT_CreateEx(548, 200, 260, 20, pMsg->hWin, WM_CF_SHOW, TEXT_CF_LEFT, ID_FPS, "Rate : 20 fps");
    TEXT_SetFont(hItem, GUI_FONT_13B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE);   
    
    hItem = TEXT_CreateEx(548, 220, 260, 20, pMsg->hWin, WM_CF_SHOW, TEXT_CF_LEFT, ID_FEATURES_FPU, "FPU : ON");
    TEXT_SetFont(hItem, GUI_FONT_13B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE); 
    
    hItem = TEXT_CreateEx(548, 240, 260, 20, pMsg->hWin, WM_CF_SHOW, TEXT_CF_LEFT, ID_FEATURES_IC, "I-Cache : ON");
    TEXT_SetFont(hItem, GUI_FONT_13B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE);     
    
    hItem = TEXT_CreateEx(548, 260, 260, 20, pMsg->hWin, WM_CF_SHOW, TEXT_CF_LEFT, ID_FEATURES_DC, "D-Cache : ON");
    TEXT_SetFont(hItem, GUI_FONT_13B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE);  

    hItem = TEXT_CreateEx(548, 280, 260, 20, pMsg->hWin, WM_CF_SHOW, TEXT_CF_LEFT, ID_FEATURES_CPU, "MCU Load : 0%");
    TEXT_SetFont(hItem, GUI_FONT_13B_1);
    TEXT_SetTextColor(hItem, GUI_WHITE);       
    
    break;
    
  case WM_TIMER:
    { 
      WM_RestartTimer(pMsg->Data.v, 1000);
      /* show elapsed time */
      hItem = WM_GetDialogItem(pMsg->hWin, ID_ELAPSED_TIME);
      elapsed_time++;
      sprintf((char *)tmp , "%02lu:%02lu", elapsed_time/60, elapsed_time%60 );
      TEXT_SetText(hItem, tmp);
      sprintf((char *)tmp , "MCU Load : %d%%", ((osGetCPUUsage() > 90) ? (osGetCPUUsage() - 10) : osGetCPUUsage()));
      hItem = WM_GetDialogItem(pMsg->hWin, ID_FEATURES_CPU);
      TEXT_SetText(hItem, tmp);
      
      hItem = WM_GetDialogItem(pMsg->hWin, ID_SLIDER_DURATION);
      SLIDER_SetValue(hItem, (GUI_MOVIE_GetFrameIndex(hvideo)* 100)/ Video_Info.NumFrames);
      
      if(step == 0)
      {
        step = ((GUI_MOVIE_GetFrameIndex(hvideo)* 100)/ Video_Info.NumFrames);
      }

      if(((GUI_MOVIE_GetFrameIndex(hvideo)* 100)/ Video_Info.NumFrames) > (100 - 2*step - 1))
      {
        SLIDER_SetValue(hItem, 100);
        GUI_Exec();
      }
      
    }
    break;
    
  case WM_DELETE:
    if(hTimer != 0)
    {
      WM_DeleteTimer(hTimer);
      hTimer = 0;
    }
    
  case WM_PAINT: 
    GUI_SetColor(0xFF000000 | GUI_BLACK);
    GUI_SetBkColor(GUI_TRANSPARENT);
    GUI_Clear();

    GUI_SetColor(GUI_BLACK);
    GUI_DrawHLine(0, 0, 640);
    GUI_DrawHLine(479, 0, 640);
    GUI_DrawLine(639, 0, 639, 480);   
    GUI_DrawLine(0, 0, 0, 480);

    /* Background for total time */
    GUI_SetColor(0x00DCA939);
    GUI_AA_FillRoundedRect((-30), 5, 90, 65, 30);
    
    /*Video Information */
    GUI_AA_FillRoundedRect(150, 5, 500, 65, 30);
    
    /*H/W Information */
    GUI_AA_FillRoundedRect(538, 180, 780, 320, 30);    
    
    break;
    
    
  case WM_NOTIFY_PARENT:
    Id    = WM_GetId(pMsg->hWinSrc);    /* Id of widget */
    NCode = pMsg->Data.v;               /* Notification code */
 
    
    switch(Id) {
      
    case ID_BUTTON_EXIT_FROM_VIDEO: 
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:

        if(VideoPlayer_State != VIDEO_IDLE)
        {
          _StopPlay(&hvideo, &Video_File);
        }
        
        GUI_EndDialog(pMsg->hWin, 0);
        SelLayer = 0;
        GUI_SetLayerVisEx (1, 0);
        GUI_SelectLayer(0); 
        WM_HideWindow(hFrame);        
        WM_Exec();        
        WM_DeleteWindow(hFrame);
        WM_InvalidateWindow(VideoWin);
        break;
      }
      break;

    case ID_BUTTON_MENU: 
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:

        if(VideoPlayer_State != VIDEO_IDLE)
        {
          _StopPlay(&hvideo, &Video_File);
        }
        
        GUI_EndDialog(pMsg->hWin, 0);
        SelLayer = 0;
        GUI_SetLayerVisEx (1, 0);
        GUI_SelectLayer(0); 
        WM_DeleteWindow(hFrame);
        WM_HideWindow(VideoWin);        
        WM_Exec();
        WM_DeleteWindow(VideoWin);
        break;
      }
      break;
      
    case ID_BUTTON_STOP: 
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        if(VideoPlayer_State != VIDEO_IDLE)
        {
          VideoPlayer_State = VIDEO_STOP;
          _StopPlay(&hvideo, &Video_File);
        }
         WM_InvalidateWindow(pMsg->hWin);
        break;
      }
      break;
     
    case ID_BUTTON_FORE: 
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        if(VideoPlayer_State == VIDEO_PLAY)
        {
          if(file_pos < (VideoList.ptr - 1))
          {
            file_pos++;
          }
          else 
          {        
            file_pos = 0; 
          }  
          _StopPlay(&hvideo, &Video_File);
          _StartPlay(&hvideo, (char *)VideoList.file[file_pos].name, &Video_File, 0, 0);

        }
        break;
      }
      break;
      
    /* Notifications sent by 'progress' Slider */
    case ID_SLIDER_DURATION: 
      if(NCode == WM_NOTIFICATION_CLICKED)
      {
        hItem = WM_GetDialogItem(pMsg->hWin, ID_SLIDER_DURATION);
        int32_t newpos;
        if(VideoPlayer_State == VIDEO_PLAY)
        {
          GUI_MOVIE_Pause(hvideo);
          hItem = WM_GetDialogItem(pMsg->hWin, ID_SLIDER_DURATION);
          newpos = (SLIDER_GetValue(hItem) * Video_Info.NumFrames)/100;
          GUI_MOVIE_GotoFrame(hvideo, newpos);
          GUI_MOVIE_Play(hvideo);
          elapsed_time = (Video_Info.msPerFrame * newpos)/ 1000;
          hItem = WM_GetDialogItem(playbackwin, ID_ELAPSED_TIME);
          sprintf((char *)tmp , "%02lu:%02lu", elapsed_time/60, elapsed_time%60 );
          TEXT_SetText(hItem, tmp); 
          WM_InvalidateWindow(hItem);
          WM_Paint(hItem);
        }
        
      }
      break;
      
      
    case ID_BUTTON_BACK: 
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
        if(VideoPlayer_State == VIDEO_PLAY)
        {
          if(file_pos > 0)
          {   
            file_pos--;
          }
          else 
          {        
            file_pos = VideoList.ptr - 1; 
          }  
          
          _StopPlay(&hvideo, &Video_File);
          _StartPlay(&hvideo, (char *)VideoList.file[file_pos].name, &Video_File, 0, 0); 
        }
        break;
      }
      break;
      
    case PLAY_VIDEO_ID: 
      switch(NCode) {
      case WM_NOTIFICATION_RELEASED:
          if((VideoPlayer_State == VIDEO_IDLE) || (VideoPlayer_State == VIDEO_PAUSE))
          {
            hTimer = WM_CreateTimer(playbackwin, 0, 1000, 0);  
            GUI_MOVIE_Play(hvideo); 
            VideoPlayer_State = VIDEO_PLAY;
          }
          else if(VideoPlayer_State == VIDEO_STOP)
          {
            _StartPlay(&hvideo, (char *)VideoList.file[file_pos].name, &Video_File, 0, 0);             
            VideoPlayer_State = VIDEO_PLAY;
          }
          else
          {
            GUI_MOVIE_Pause(hvideo);
            VideoPlayer_State = VIDEO_PAUSE; 
            if(hTimer != 0)
            {
              WM_DeleteTimer(hTimer);
              hTimer = 0;
            }            
          }
        break;
      }
      break;       
    }
    break;

  default:
    WM_DefaultProc(pMsg);
    break;
  }
}