osdprgm.c

车载电子影音系统dvd播放系统原程序代码

					//_bTitleHighlightPos remains the same
					_ShowTitleList();
				}
				else if (_bTitleStart+_bTitleHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME<=_bTotalTitle) //scroll down not a whole page
				{   
					//__bTemp=_bTitleStart+_bTitleHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME; //--CoCo1.21
					_bTitleStart=_bTotalTitle-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
					//_bTitleHighlightPos = __bTemp-_bTitleStart+1;   //--CoCo1.21
//					_bTitleHighlightPos = _bTitleStart+_bTitleHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME-_bTitleStart+1; 
					_bTitleHighlightPos = _bTitleStart+_bTitleHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME-_bTitleStart; 
					_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();
				} 
#ifdef SUPPORT_CIRCULAR_WRAP 
				//else if (_bTitleStart>=MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME)
				else if (_bTitleStart!=1) //avoid unnecessary redraw
				{
					/*--CoCo1.21
					_bTitleStart=1;
					_bTitleHighlightPos=1;
					_ShowTitleList();
					*/
					_OSDPRGM_UpdateTitleList(); //CoCo1.21, use this function to replace the above code
				}
#endif           
				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;           
					//_wTotalChapter=(_bTitleStart+_bTitleHighlightPos-1); //comment when DVD/VCD is in the loader
					
					/*--CoCo1.21
					_wChapterStart = 1;
					_wChapterHighlightPos = 1;
					_ShowChapterList();
					*/
					_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
					_bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame
				}   
#ifdef SUPPORT_SIMPLE_FM_PROGRAM //Kevin1.10
				else if (__wDiscType & CDROM_M1) 
				{            
					_wTotalChapter=__pwFMFilesOfDir[_bTitleStart+_bTitleHighlightPos-1-1]; //dir 0~ 
					/*--CoCo1.21
					_wChapterStart = 1;
					_wChapterHighlightPos = 1;
					_ShowChapterList();
					*/
					_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
					_bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame            
				} 
#endif            
				
			}                     
			else //CHAPTER_FRAME
			{   
				//if (_wChapterStart+_wChapterHighlightPos-1+2*MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME-_wChapterHighlightPos<=_wTotalChapter) //scroll down a whole page
				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
				{   
					//__wTemp=_wChapterStart+_wChapterHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME; //--CoCo1.21
					_wChapterStart=_wTotalChapter-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
					//_wChapterHighlightPos = __wTemp-_wChapterStart+1;    //--CoCo1.21
//					_wChapterHighlightPos = _wChapterStart+_wChapterHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME-_wChapterStart+1;
					_wChapterHighlightPos = _wChapterStart+_wChapterHighlightPos-1+MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME-_wChapterStart;
					_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();
				} 
#ifdef SUPPORT_CIRCULAR_WRAP 
				//else if (_wChapterStart>=MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME)
				else if (_wChapterStart!=1) //avoid unnecessary redraw
				{
					/*--CoCo1.21
					_wChapterStart=1;
					_wChapterHighlightPos=1;
					_ShowChapterList();
					*/
					_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
				}
#endif           
			}
			
			_SetClearHighlight(SET_HIGHLIGHT);
			
			__bKey=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);
#endif
        _SetClearHighlight(CLEAR_HIGHLIGHT);
		
        if (_bCurrentFrame==MAIN_FRAME)
        {   
            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
            {
                //__bTemp=_bMainStart+_bMainHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME; //--CoCo1.21
#ifdef SUPPORT_CLEARALL_IN_PROGRAM
                _bMainStart=0;
#else
                _bMainStart=1;
#endif
				//_bMainHighlightPos = __bTemp; //--CoCo1.21
                _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();
            } 
#ifdef SUPPORT_CIRCULAR_WRAP 
            else if (MAX_PROG_ITEM>MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME)
            {
                _bMainStart=MAX_PROG_ITEM-MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME+1;
                _bMainHighlightPos=MAX_ENTRY_NUM_SHOWN_IN_MAIN_FRAME;
                _ShowMainList();
            }
#endif           
			
        }            
        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
            {
                //__bTemp=_bTitleStart+_bTitleHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME; //--CoCo1.21
                _bTitleStart=1;
                //_bTitleHighlightPos = __bTemp; //--CoCo1.21
//		_bTitleHighlightPos = _bTitleStart+_bTitleHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME; //CoCo1.21
		_bTitleHighlightPos = _bTitleStart+_bTitleHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME + 1; //CoCo1.21
                _ShowTitleList();
            }
            else if (_bTitleStart!=1) //scroll down not a whole page
            {
				/*--CoCo1.21
                _bTitleStart=1;
                _bTitleHighlightPos=1;   //first one
                _ShowTitleList();
				*/
				_OSDPRGM_UpdateTitleList(); //CoCo1.21, use this function to replace the above code
            } 
#ifdef SUPPORT_CIRCULAR_WRAP 
            else if (_bTotalTitle>MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME)
            {
                _bTitleStart=_bTotalTitle-MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME+1;
                _bTitleHighlightPos=MAX_ENTRY_NUM_SHOWN_IN_TITLE_FRAME;
                _ShowTitleList();
            }
#endif           
            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;           
                //_wTotalChapter=(_bTitleStart+_bTitleHighlightPos-1); //comment when DVD/VCD is in the loader
				
				/*--CoCo1.21
                _wChapterStart = 1;
                _wChapterHighlightPos = 1;
                _ShowChapterList();
				*/
				_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame
            }     
#ifdef SUPPORT_SIMPLE_FM_PROGRAM //Kevin1.10
            else if (__wDiscType & CDROM_M1) 
            {            
                _wTotalChapter=__pwFMFilesOfDir[_bTitleStart+_bTitleHighlightPos-1-1]; //dir 0~ 
				/*--CoCo1.21
                _wChapterStart = 1;
                _wChapterHighlightPos = 1;
                _ShowChapterList();
				*/
				_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
                _bCurrentFrame = TITLE_FRAME; /////highlight remains in the Title Frame            
            } 
#endif            
            
        }                     
        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
            {
                //__wTemp=_wChapterStart+_wChapterHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME; //--CoCo1.21
                _wChapterStart=1;
                //_wChapterHighlightPos = __wTemp;  //--CoCo1.21 
//		_wChapterHighlightPos = _wChapterStart+_wChapterHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME;
		_wChapterHighlightPos = _wChapterStart+_wChapterHighlightPos-1-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME + 1;
                _ShowChapterList();
            }
            else if (_wChapterStart!=1) //scroll down not a whole page
            {
				/*--CoCo1.21
                _wChapterStart=1;
                _wChapterHighlightPos=1;   //first one
                _ShowChapterList();
				*/
				_OSDPRGM_UpdateChapterList(); //CoCo1.21, Use this function to replace the above code
            } 
#ifdef SUPPORT_CIRCULAR_WRAP 
            else if (_wTotalChapter>MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME)
            {
                _wChapterStart=_wTotalChapter-MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME+1;
                _wChapterHighlightPos=MAX_ENTRY_NUM_SHOWN_IN_CHAPTER_FRAME;
                _ShowChapterList();
            }
#endif           
        }
		
        _SetClearHighlight(SET_HIGHLIGHT);
        
        __bKey=KEY_NO_KEY;
        break;
		
		
    case KEY_LEFT:
        if (_bCurrentFrame!=MAIN_FRAME)
        { 
            _SetClearHighlight(CLEAR_HIGHLIGHT);
            _bCurrentFrame--;   
            _SetClearHighlight(SET_HIGHLIGHT);  
#ifdef SUPPORT_PRGM_NUM_INPUT             
            _bPrgmDigitPos = PROGRAM_NUM_CURSOR_TITLE;
#endif
        }            
        if (_bCurrentFrame == MAIN_FRAME )
        {
            //clear chapter frame, up arrow rect, and down arrow rect
            GDI_FILL_RECT(CHAPTER_FRAME_X0, CHAPTER_FRAME_Y0-1-ARROW_HEIGHT, CHAPTER_FRAME_X1, CHAPTER_FRAME_Y1+1+ARROW_HEIGHT,
				GDI_ENTRY_4B_COLOR_GENERAL_BG_BLUE 
				);      
        }
		
#ifdef SUPPORT_PRGM_NUM_INPUT 
        if (_bCurrentFrame == MAIN_FRAME && _bPrgmDigitPos&PROGRAM_NUM_CURSOR_CHAPTER)
        {
            __wNumberQueue = 0;    //clear
			
            if (__wDiscType & BOOK_DVD) //no Chapter Frame for VCD 
            {                
				__bProgramCurrentIndex = _bMainStart+_bMainHighlightPos-1;
				
				GDI_SetTextColor(TEXT_FG_COLOR, GDI_ENTRY_4B_COLOR_BLACK);
				__wGDIString[0] = 2; //2 digits                     
				//CoCo1.21, Initialize __wGDIString array here.
				_OSDPRGM_InitialOutputString(CHAR_UNDERLIN);   

				/* --CoCo1.21
				__wTemp = __ProgIdxList[__bProgramCurrentIndex-1].wSubIndex;
				if (__wProgramChapter)                            
				{
					__wGDIString[1] = aDigit[__wProgramChapter/10];
					__wGDIString[2] = aDigit[__wProgramChapter%10];       
				}
				else if (__wTemp)
				{
					__wProgramChapter = __wTemp; 
					__wGDIString[1] = aDigit[__wProgramChapter/10];
					__wGDIString[2] = aDigit[__wProgramChapter%10];       
				}
				else
				{
					__wGDIString[1] = CHAR_UNDERLIN;
					__wGDIString[2] = CHAR_UNDERLIN;       
				}
				*/

				//CoCo1.21, replace the above code
				_OSDPRGM_UpdateProgramChapter(2);

				GDI_SetTextColor(TEXT_BG_COLOR, GDI_ENTRY_4B_COLOR_CENTER);
				GDI_DRAW_STRING (MAIN_FRAME_X0+FRAME_THICKNESS+145, MAIN_FRAME_Y0+FRAME_THICKNESS+ENTRY_HEIGHT*(_bMainHighlightPos-1)); 
				
				
				_bPrgmDigitPos=PROGRAM_NUM_CURSOR_TITLE;
				_bOSDPRGMTemp = __ProgIdxList[__bProgramCurrentIndex-1].bMainIndex;
				/* --CoCo1.21
				if (__bProgramTitle)                            
				{
					__wGDIString[1] = aDigit[__bProgramTitle/10];
					__wGDIString[2] = aDigit[__bProgramTitle%10];       
				}
				else if (_bOSDPRGMTemp)
				{