osdprgm.c

ct952 source code use for Digital Frame Photo

                    _OSDPRGM_UpdateChapterList(); 
                    _bCurrentFrame = TITLE_FRAME;
                }
                else
                {
                    _PRGM_RectAttr.bColor = OSDPRGM_ENTRY_MAIN_COLOR_BG;
                    _OSDPRGM_FillRect(CHAPTER_FRAME_X0, CHAPTER_FRAME_Y0-1-ARROW_HEIGHT, CHAPTER_FRAME_X1, CHAPTER_FRAME_Y1+1+ARROW_HEIGHT); //CoCo1.20, reduce code size.
                }
            }            
        }                     
        else if (_bCurrentFrame==CHAPTER_FRAME) //CHAPTER_FRAME
        {
            _SetClearHighlight(CLEAR_HIGHLIGHT);
            if (_wChapterHighlightPos>1)
                _wChapterHighlightPos--;   
            else
            {   
                if (_wChapterStart>1)
                { 
                    _wChapterStart--;
                    _ShowChapterList(); 
                }    
                else
                {
                    _bCurrentFrame = CHAPTER_INPUT;
                }
            }
        }       
        _SetClearHighlight(SET_HIGHLIGHT);
        
        bKeyStatus =KEY_NO_KEY;
        break;
		
		
    case KEY_DOWN:
#ifdef SUPPORT_PRGM_NUM_INPUT //Kevin1.06
        _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CHECK, NULL_0);
#endif
        _SetClearHighlight(CLEAR_HIGHLIGHT);
		
        if (_bCurrentFrame==MAIN_FRAME)
        {
            _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CLEAR, NULL_0);
            _OSDPRGM_ProceedToNextMainEntry();
        }            
        else if (_bCurrentFrame==TITLE_INPUT)
        {   
            _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CLEAR, NULL_0);
            _ShowInput(TITLE_INPUT, OSDPRGM_ENTRY_MAIN_COLOR_BG);
            if (!(_bMainStart+_bMainHighlightPos-1))
            {
                //do nothing
            }
            else
            {   
#ifndef SUPPORT_PRGM_NUM_INPUT 
                if (__wDiscType & BOOK_DVD) //no Chapter Frame for VCD         
                {
                    _SetClearHighlight(CLEAR_HIGHLIGHT);
                    _bCurrentFrame = TITLE_FRAME;
                    _SetClearHighlight(SET_HIGHLIGHT);        
				
                    if (_bCurrentFrame == TITLE_FRAME )
                    {
                        DVD_ParseInfo(DVD_TOTAL_CHAPTERS, &__dwTemp,
                                      (WORD)(_bTitleStart+_bTitleHighlightPos-1) ); 
                        _wTotalChapter = __dwTemp;           
                        _ShowChapterList();
                    }
                }
#else //#ifndef SUPPORT_PRGM_NUM_INPUT
                __wNumberQueue = 0;    //clear
			
                _SetClearHighlight(CLEAR_HIGHLIGHT);
                _bCurrentFrame = TITLE_FRAME;
                _SetClearHighlight(SET_HIGHLIGHT); 

                if (__wDiscType & BOOK_DVD) //no Chapter Frame for VCD         
                {
                        DVD_ParseInfo ( DVD_TOTAL_CHAPTERS, &__dwTemp, (WORD)(_bTitleStart+_bTitleHighlightPos-1) );             
                        _wTotalChapter = (WORD)__dwTemp;    
						
                        _ShowChapterList();
                        _bCurrentFrame = TITLE_FRAME; /////highlight remains in Title Frame             
                }
#endif
            }
        }
        else if (_bCurrentFrame==TITLE_FRAME)
        {   
            if ( (_bTitleHighlightPos<MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME) && (_bTitleStart+_bTitleHighlightPos-1<_bTotalTitle) ) //change _bTitleHighlightPos only
                _bTitleHighlightPos++;   
            else //change _bTitleStart
            {   
                if ((_bTitleStart+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME-1)<_bTotalTitle)
                {   
                    _bTitleStart++;
                    _ShowTitleList();                    
                }         
            }

            if (__wDiscType & BOOK_DVD) //no Chapter Frame for VCD           
            {            
				//uncomment when DVD/VCD is in the loader
                DVD_ParseInfo ( DVD_TOTAL_CHAPTERS, &__dwTemp, (WORD)(_bTitleStart+_bTitleHighlightPos-1) );             
                _wTotalChapter = (WORD)__dwTemp;           

		_OSDPRGM_UpdateChapterList(); 
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame
            }               
        }                     
        else if (_bCurrentFrame==CHAPTER_INPUT)
        {   
            _SetClearHighlight(CLEAR_HIGHLIGHT);
            _bCurrentFrame = CHAPTER_FRAME;
            _SetClearHighlight(SET_HIGHLIGHT);
        }
        else //CHAPTER_FRAME
        {
            if ( (_wChapterHighlightPos<MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME) && (_wChapterStart+_wChapterHighlightPos-1<_wTotalChapter) ) //change _wChapterHighlightPos only
                _wChapterHighlightPos++;  
            else //change _wChapterStart
            {
                if ((_wChapterStart+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME-1)<_wTotalChapter)
                {   
                    _wChapterStart++;
                    _ShowChapterList();                 
                }    
            }
        }       
		
        _SetClearHighlight(SET_HIGHLIGHT);
        
        bKeyStatus = KEY_NO_KEY;
        break;
		
		
		//Kevin1.05-3, page down
    case KEY_NEXT:
#ifdef SUPPORT_PRGM_NUM_INPUT //Kevin1.06
        _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CHECK, NULL_0);
        _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CLEAR, NULL_0);
#endif
        _SetClearHighlight(CLEAR_HIGHLIGHT);
		
        if (_bCurrentFrame==MAIN_FRAME)
        {   
            _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CLEAR, NULL_0);
            if (_bMainStart-1+2*MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME<=MAX_PROG_ITEM)
            { 
               //scroll down a whole page
                _bMainStart+=MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME; 
                //_bMainHighlightPos remains the same
                _ShowMainList();
            }
            else if (_bMainStart+_bMainHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME<=MAX_PROG_ITEM) 
            {   
                //scroll down not a whole page
                _bMainStart=MAX_PROG_ITEM-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
                // _bMainHighlightPos remains the same 
 		//_bMainHighlightPos = _bMainStart+_bMainHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME-_bMainStart+1;				
                _ShowMainList();
            } 
            else if (_bMainStart+MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME-1<MAX_PROG_ITEM)
            {
                //scroll down not a whole page
                _bMainStart=MAX_PROG_ITEM-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
                // _bMainHighlightPos remains the same 
                //_bMainHighlightPos =MAX_PROG_ITEM-_bMainStart+1;   //last one
                _ShowMainList();
            } 
        }            
        else if (_bCurrentFrame==TITLE_FRAME)
        {   
            if (_bTitleStart-1+2*MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME<=_bTotalTitle)
            { 
                //scroll down a whole page
                _bTitleStart+=MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME; 
                //_bTitleHighlightPos remains the same
                _ShowTitleList();
            }
            else if (_bTitleStart+_bTitleHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME<=_bTotalTitle)
            {   
                //scroll down not a whole page
                _bTitleStart=_bTotalTitle-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME+1;
                // Alan, don't change position
                //_bTitleHighlightPos = _bTitleStart+_bTitleHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME-_bTitleStart+1; 
                _ShowTitleList();
            } 
            else if (_bTitleStart+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME-1<_bTotalTitle)
            {
                //scroll down not a whole page
                _bTitleStart=_bTotalTitle-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME+1;
                _bTitleHighlightPos =_bTotalTitle-_bTitleStart+1;   //last one
                _ShowTitleList();
            } 

            if (__wDiscType & BOOK_DVD) //no Chapter Frame for VCD           
            {            
                //uncomment when DVD/VCD is in the loader
                DVD_ParseInfo ( DVD_TOTAL_CHAPTERS, &__dwTemp, (WORD)(_bTitleStart+_bTitleHighlightPos-1) );             
                _wTotalChapter = (WORD)__dwTemp;           
                _OSDPRGM_UpdateChapterList();
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame
            }   
	}                     
        else //CHAPTER_FRAME
        {   
            if (_wChapterStart-1+2*MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME<=_wTotalChapter)
            { 
                //scroll down a whole page
                _wChapterStart+=MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME; 
                //_wChapterHighlightPos remains the same
                _ShowChapterList();
            }
            else if (_wChapterStart+_wChapterHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME<=_wTotalChapter)
            {   
                //scroll down not a whole page
                _wChapterStart=_wTotalChapter-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME+1;
                //_wChapterHighlightPos remains the same
                //_wChapterHighlightPos = _wChapterStart+_wChapterHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME-_wChapterStart+1;
                _ShowChapterList();
            } 
            else if (_wChapterStart+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME-1<_wTotalChapter)
            {
                //scroll down not a whole page
                _wChapterStart=_wTotalChapter-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME+1;
                _wChapterHighlightPos =_wTotalChapter-_wChapterStart+1;   //last one
                _ShowChapterList();
             } 
        }
        _SetClearHighlight(SET_HIGHLIGHT);
			
        bKeyStatus = KEY_NO_KEY;
        break;
			
			
			//Kevin1.05-3, page up
    case KEY_PREV:
#ifdef SUPPORT_PRGM_NUM_INPUT //Kevin1.06
        _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CHECK, NULL_0);
#endif
        _SetClearHighlight(CLEAR_HIGHLIGHT);
		
        if (_bCurrentFrame==MAIN_FRAME)
        {   
            _OSDPRGM_ProcessNumInput(PRGM_NUMBERINPUT_CLEAR, NULL_0);
            if (_bMainStart>MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME) //scroll up a whole page
            { 
                _bMainStart-=MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME; 
                //_bMainHighlightPos remains the same
                _ShowMainList();
            }
            else if (_bMainStart+_bMainHighlightPos-1>MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME)
            {                                 //scroll down not a whole page
#ifdef SUPPORT_CLEARALL_IN_PROGRAM
                _bMainStart=0;
#else
                _bMainStart=1;
#endif
                //_bMainHighlightPos remains the same
//                _bMainHighlightPos = _bMainStart+_bMainHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME;   
                _ShowMainList();
            }
            else if (_bMainStart!=1) 
            {
                                               //scroll down not a whole page
#ifdef SUPPORT_CLEARALL_IN_PROGRAM
                _bMainStart=0;
                _bMainHighlightPos=2;   //first one
#else
                _bMainStart=1;
                _bMainHighlightPos=1;   //first one
#endif
                _ShowMainList();
            } 
			
        }            
        else if (_bCurrentFrame==TITLE_FRAME)
        {   
            if (_bTitleStart>MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME) //scroll up a whole page
            { 
                _bTitleStart-=MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME; 
                //_bTitleHighlightPos remains the same
                _ShowTitleList();
            }
            else if (_bTitleStart+_bTitleHighlightPos-1>MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME) //scroll down not a whole page
            {
                _bTitleStart=1;
                // Remain the same position
//		_bTitleHighlightPos = _bTitleStart+_bTitleHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME;
                _ShowTitleList();
            }
            else if (_bTitleStart!=1) //scroll down not a whole page
            {
		_OSDPRGM_UpdateTitleList(); //CoCo1.21, use this function to replace the above code
            } 
            if (__wDiscType & BOOK_DVD) //no Chapter Frame for VCD           
            {            
				//uncomment when DVD/VCD is in the loader
                DVD_ParseInfo ( DVD_TOTAL_CHAPTERS, &__dwTemp, (WORD)(_bTitleStart+_bTitleHighlightPos-1) );             
                _wTotalChapter = (WORD)__dwTemp;           
		_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame
            }     
            
        }                     
        else //CHAPTER_FRAME
        {   
            if (_wChapterStart>MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME)
            { 
                //scroll up a whole page
                _wChapterStart-=MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME; 
                //_wChapterHighlightPos remains the same
                _ShowChapterList();
            }
            else if (_wChapterStart+_wChapterHighlightPos-1>MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME) //scroll down not a whole page
            {
                _wChapterStart=1;
                //_wChapterHighlightPos remains the same
//		_wChapterHighlightPos = _wChapterStart+_wChapterHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME;
                _ShowChapterList();
            }
            else if (_wChapterStart!=1) //scroll down not a whole page
            {
		_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
            } 
        }
		
        _SetClearHighlight(SET_HIGHLIGHT);
        
        bKeyStatus = KEY_NO_KEY;
        break;
		
		
    case KEY_LEFT:
        if (MAIN_FRAME == _bCurrentFrame)