button.c

一个操作系统源代码 用于嵌入式设备 在Vc++环境下仿真 成功移植到多款处理器上

	//ClearRec(WHITE,xSrc-1,ySrc-1,xDest-xSrc+2,yDest-ySrc+2,REPLACE_STYLE);
	//ClearRec(WHITE,xSrc,ySrc,xDest-xSrc+1,yDest-ySrc+1,REPLACE_STYLE);
	
	if ( (lparam&BS_INVERT) == BS_INVERT ){
		//ClearRec(pGC, GPC_WHITE,(U16)xSrc,(U16)ySrc,(U16)(xDest-xSrc+1),(U16)(yDest-ySrc+1),GPC_REPLACE_STYLE);
		ctrl_ptr->bt_state ^= BTN_STATUS_DOWN;
	}
	
	ctrl_ptr->bt_state |= BTN_STATUS_REPAINT;
	
	if( ctrl_ptr->bt_state & BTN_STATUS_DOWN )
		drawdownbutton( ctrl_ptr, xSrc, ySrc, xDest, yDest,ctrl_ptr->bt_style, 
		ctrl_ptr->bt_caption, NULL, ctrl_ptr->bt_icon,ctrl_ptr->bt_icon_width,ctrl_ptr->bt_icon_hight );
	else	
		drawbutton( ctrl_ptr, xSrc,ySrc,xDest,yDest,ctrl_ptr->bt_style,ctrl_ptr->bt_caption,
		ctrl_ptr->bt_icon,ctrl_ptr->bt_icon_width,ctrl_ptr->bt_icon_hight );
	
	// longn_qi 2002/10/06 added
	{
		ASIX_WINDOW	*wndptr = (ASIX_WINDOW	*)ctrl_ptr->wndid;
		if( wndptr->status & WST_FOCUS )
			DrawRec( pGC, GPC_BLACK, xSrc+2, ySrc+2, xDest-2, yDest-2, GPC_DOT_LINE, GPC_XOR_STYLE );
	}
	
	return ASIX_OK;
}
	
// the function drawbutton() helps to draw the figure of the button with the specified style
STATUS drawbutton( void *ctrl_str, S16 xSrc,S16 ySrc,S16 xDest,S16 yDest,U32 btn_style,char *caption_tag,P_U8 bitmap,S16 bitmap_width,S16 bitmap_hight )
{
	U32			grey;
	char		*tag = NULL;
	char		*captionandtag;
	char		*dcaption = NULL;		//the caption which will display on the button
	U16 		i;
	char		*btcaption = NULL;		//the caption which the utility programmer filled
	int 		k;
	int			captionlength = (xDest-xSrc-1)/ENGLISH_CHAR_WIDTH;	//modified by xuanhui 2002/3/27
	STATUS 		rv = ASIX_OK;
	U32			pGC;
	U16			strX, strY, btWidth = xDest - xSrc +1, btHeight = yDest - ySrc +1;
	struct bt_ctrl_str *ctrl_ptr;

	ctrl_ptr = (struct bt_ctrl_str *)ctrl_str;

	if( ctrl_ptr->bt_state & BTN_STATUS_MASKED )
	{
		ctrl_ptr->bt_state |= BTN_STATUS_UP;
		return ASIX_OK;
	}
	
	pGC = GetGC();
	SetDotWidth(pGC,1,0);
	
	//in order to modify the caption string, alloc a piece of memory as a buffer to store the const string--caption
	if( caption_tag != NULL )
	{
		// longn_qi 2002/01/25 for monitor memory leak
		asix_bt_memdbgprintf( "button appeal mem for caption and tag" );
		captionandtag = Lcalloc( (strlen(caption_tag)+2)*sizeof(char) );
		if (captionandtag == NULL) return ASIX_NO_MEM;

		
		for( i = 0;i < strlen( caption_tag ); i++ )
		{
			captionandtag[i] = caption_tag[i];
		}
		//modified by xuanhui 2002/3/14
		//captionandtag[i+1] = '\0';		
		captionandtag[i] = '\0';
	}else{
		captionandtag = NULL;
	}
	
	//seprate the caption and the tag from the captionandtag
	if( captionandtag != NULL )
	{
		// longn_qi 2002/01/25 for monitor memory leak
//		asix_bt_memdbgprintf( "button appeal mem for btcaption" );
		//modified by xuanhui 2002/3/14
//		btcaption = Lcalloc( (strlen(captionandtag))*sizeof(char) );
/*		if ( btcaption == NULL ) 
		{
			// longn_qi 2002/01/25 for monitor memory leak
			asix_bt_memdbgprintf( "button free mem of caption and tag" );
			Lfree(captionandtag);
			return ASIX_ERROR;
		}
*/			
		//modified by xuanhui 2002/3/14
		//for( i = 0; i <= strlen(captionandtag); i++ )
		for( i = 0; i < strlen(captionandtag); i++ )
		{
			if( captionandtag[i] == '\\' || captionandtag[i+1] == '\0' )
			{
				if( captionandtag[i+1] == '\0' )
				{
					btcaption = captionandtag;
					tag = NULL;
				}else{
					captionandtag[i]='\0';
					btcaption = captionandtag;
					//modified by xuanhui 2002/3/14
					//tag = captionandtag+i+1;
					tag = captionandtag+(char)(i+1);
				}
				break;
			}
		}
	
		//conclude if the caption of the button(btcaption) extends the active area
		//modified by xuanhui 2002/3/14
		//if( strlen(btcaption)*ENGLISH_CHAR_WIDTH > (xDest-xSrc)  )
		if( btcaption != NULL && strlen(btcaption)*ENGLISH_CHAR_WIDTH > (U16)(xDest-xSrc-1)  )
		{
			// longn_qi 2002/01/25 for monitor memory leak
			asix_bt_memdbgprintf( "button appeal mem for dcaption" );

			dcaption = Lcalloc( ( captionlength+1)*sizeof(char) );	//allocate a buffer to store the string that can be displayed on the button surface
			if ( dcaption == NULL ) {
				rv = ASIX_ERROR;
				goto err_free;
			}

			
			for( k=0;k<captionlength-1;k++ )
			{
				dcaption[k] = btcaption[k];
			}
			dcaption[captionlength-1] = '\0';
		}else{
			dcaption = btcaption;
		}
	}
		
	//conclude if the button which will be created is Enable or Disable and it will be reflected on the COLOR of the button
	if( btn_style & WS_DISABLED )
	{
	 	//modified by xuanhui 2002/3/14
	 	//grey = GPC_DARKGREY;
	 	if( btn_style & BS_FLAT )
			grey = ColorTheme.form_disabletext;
		else
			grey = ColorTheme.obj3D_disabletext;
	} else {
		//modified by xuanhui 2002/3/14
		//grey = GPC_BLACK;
	 	if( btn_style & BS_FLAT )
			grey = ColorTheme.form_text;
		else
			grey = ColorTheme.obj3D_text;
	}
	
	if( btn_style & BS_FLAT )
		ClearRec(pGC, ColorTheme.form_client,xSrc,ySrc,xDest-xSrc+1,yDest-ySrc+1,GPC_REPLACE_STYLE);
	else if( !( btn_style & BS_TRANSPARENT ) )
		ClearRec(pGC, ColorTheme.obj3D,xSrc,ySrc,xDest-xSrc+1,yDest-ySrc+1,GPC_REPLACE_STYLE);

	//if the button style include BS_BOARD ,draw the board of the button
	if( btn_style & BS_BOARD )
	{
		if ( dcaption != NULL )	//modified by xuanhui 2002/4/4
		{
			//modified by xuanhui 2002/3/28
			if ( btWidth < (U16)(ENGLISH_CHAR_WIDTH +2) 
			|| btHeight < (U16)(CHINESE_CHAR_HEIGHT+2) )
				return ASIX_ERROR;
		}
		//modified by xuanhui 2002/3/14
		//DrawRec(pGC, GPC_BLACK,(U16)xSrc,(U16)ySrc,(U16)xDest,(U16)yDest,GPC_SOLID_LINE,GPC_REPLACE_STYLE);
		//ClearRec(pGC, GPC_LIGHTGREY,(U16)(xSrc+1),(U16)(ySrc+1),(U16)(xDest-xSrc-2),(U16)(yDest-ySrc-2),GPC_REPLACE_STYLE);
		DrawRec(pGC, ColorTheme.form_board,(U16)xSrc,(U16)ySrc,(U16)xDest,(U16)yDest,GPC_SOLID_LINE,GPC_REPLACE_STYLE);
	}
	
	//if the button style include BS_SHADOW,draw the shade of the button
	if ( btn_style & BS_SHADOW )
	{
		if( (LOWORD(btn_style)&BS_BOARD) == 0 )
		{
			if ( dcaption != NULL )	//modified by xuanhui 2002/4/4
			{
				//modified by xuanhui 2002/3/28
				if ( btWidth < (U16)(ENGLISH_CHAR_WIDTH+3) 
				|| btHeight < (U16)(CHINESE_CHAR_HEIGHT+3) )
					return ASIX_ERROR;
			}else{
				if ( btWidth < 3 || btHeight < 3) 
					return ASIX_ERROR;
			}	
				
			//modified by xuanhui 2002/3/14
			//rv = ASIX_ERROR;		//if the button will have a shade it must have a board at first
			//goto err_free;
			/* the button will have a shade without a board */
//			DrawLine(pGC, ColorTheme.obj3D_shadow,(U16)(xSrc),(U16)(yDest),(U16)(xDest),(U16)(yDest),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
//			DrawLine(pGC, ColorTheme.obj3D_shadow,(U16)(xDest),(U16)(ySrc),(U16)(xDest),(U16)(yDest),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
			if( btn_style & BS_FLAT )
			{
				ClearRec( pGC, ColorTheme.form_client,(U16)(xSrc+BTN_INTERVAL),(U16)(ySrc+BTN_INTERVAL),(U16)(xDest-xSrc-BTN_INTERVAL),(U16)(yDest-ySrc-BTN_INTERVAL),GPC_REPLACE_STYLE);
			}
			else
			{
				DrawLine(pGC, ColorTheme.form_line,(U16)(xSrc),(U16)(yDest),(U16)(xDest),(U16)(yDest),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.form_line,(U16)(xDest),(U16)(ySrc),(U16)(xDest),(U16)(yDest),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
			
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc),(U16)(ySrc),(U16)(xDest),(U16)(ySrc),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc),(U16)(ySrc),(U16)(xSrc),(U16)(yDest),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc+1),(U16)(ySrc+1),(U16)(xDest-1),(U16)(ySrc+1),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc+1),(U16)(ySrc+1),(U16)(xSrc+1),(U16)(yDest-1),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
			
				ClearRec(pGC, ColorTheme.obj3D,(U16)(xSrc+BTN_INTERVAL),(U16)(ySrc+BTN_INTERVAL),(U16)(xDest-xSrc-BTN_INTERVAL),(U16)(yDest-ySrc-BTN_INTERVAL),GPC_REPLACE_STYLE);
			}
		
		}else{
			if ( dcaption != NULL )	//modified by xuanhui 2002/4/4
			{
				//modified by xuanhui 2002/3/28
				if ( (U16)(xDest-xSrc+1) < (U16)(ENGLISH_CHAR_WIDTH +2) 
				|| (U16)(yDest-ySrc+1) < (U16)(CHINESE_CHAR_HEIGHT+2) )
					return ASIX_ERROR;
			}else{
				if ( (U16)(xDest-xSrc+1) < 5 || (U16)(yDest-ySrc+1) < 5 )
					return ASIX_ERROR;
			}	
				
			if( !( btn_style & BS_FLAT ) )
			{
				//modified by xuanhui 2002/3/14
				DrawLine(pGC, ColorTheme.form_line,(U16)(xSrc+1),(U16)(yDest-1),(U16)(xDest-1),(U16)(yDest-1),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.form_line,(U16)(xDest-1),(U16)(yDest-1),(U16)(xDest-1),(U16)(ySrc+1),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
			
				DrawLine(pGC, ColorTheme.obj3D_shadow ,(U16)xSrc,(U16)ySrc,(U16)xDest,(U16)ySrc,GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc+1),(U16)(ySrc+1),(U16)(xDest-1),(U16)(ySrc+1),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.obj3D_shadow ,(U16)xSrc,(U16)ySrc,(U16)xSrc,(U16)yDest,0,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc+1),(U16)(ySrc+1),(U16)(xSrc+1),(U16)(yDest-1),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
			
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc+2),(U16)(ySrc+2),(U16)(xDest-2),(U16)(ySrc+2),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
				DrawLine(pGC, ColorTheme.obj3D_highlight,(U16)(xSrc+2),(U16)(ySrc+2),(U16)(xSrc+2),(U16)(yDest-2),GPC_SOLID_LINE,GPC_REPLACE_STYLE);
			}

		}
	}
	
	// if the button style include BS_LEFT ,draw left align caption or left align bitmap
	if( LOWORD(btn_style) & BS_LEFT )
	{
		if(bitmap == NULL)	
		{
			if ( dcaption != NULL )	//modified by xuanhui 2002/4/4
			{
				if( LOWORD(btn_style) & BS_MULTILINE )//changed 2001/4/10
			
				{
					//modified by xuanhui 2002/3/28
					if ( btWidth < (U16)(BTN_MULTILINE_INTERVAL*2+ ENGLISH_CHAR_WIDTH+2)
					|| btHeight < (U16)(BTN_MULTILINE_INTERVAL*2+ CHINESE_CHAR_HEIGHT+2) )
						return ASIX_ERROR;
				
					//modified by xuanhui 2002/3/14    
					//DisplayMsg(btcaption, xSrc+4, ySrc+4, xDest-4, yDest-4, GPC_REPLACE_STYLE );
					DisplayMsg(btcaption, (S16)(xSrc+BTN_MULTILINE_INTERVAL), (S16)(ySrc+BTN_MULTILINE_INTERVAL), (S16)(xDest-BTN_MULTILINE_INTERVAL), (S16)(yDest-BTN_MULTILINE_INTERVAL), GPC_REPLACE_STYLE );
				}else{
					//modified by xuanhui 2002/3/28
//					if ( (U16)(xDest-xSrc+1) < (U16)(BTN_INTERVAL*2+2+ ENGLISH_CHAR_WIDTH) 
//					|| (U16)(BTN_REGULAR_STR_INTERVAL+ (U16)((yDest-ySrc+1)/2)-1) < CHINESE_CHAR_HEIGHT
//					|| (U16)(CHINESE_CHAR_HEIGHT/2) < BTN_REGULAR_STR_INTERVAL )
//						return ASIX_ERROR;
					

					//Disp16StringGrey( grey,dcaption,(U16)(xSrc+BTN_INTERVAL+1),(U16)(ySrc+(yDest-ySrc)/2-BTN_REGULAR_STR_INTERVAL) );
					strX = AlignString( dcaption, xSrc +BTN_INTERVAL+1, btWidth - BTN_INTERVAL*2, GPC_ALIGN_LEFT );
					strY = ySrc + ( ( btHeight - BTN_INTERVAL*2 - CHINESE_CHAR_HEIGHT )>>1 );
					TextOut( pGC, dcaption, strX, strY, NULL, grey, GPC_REPLACE_STYLE );
				}
			}
			// ppsm use follow function to make transparent background
			// but in new gpc function we have realized it
			// so remove it ( longn_qi 2001/11/15 revised )
			//if( LOWORD(btn_style)&BS_BOARD )
			//	ClearRec(pGC, GPC_LIGHTGREY,(U16)(xSrc+2), (U16)(ySrc+2), (U16) (xDest-xSrc-2), (U16) (yDest-ySrc-2),GPC_OR_STYLE);
		}else{
			//switchonetotwo( (char*)bitmap,xSrc+3,(ySrc+(yDest-ySrc)/2-bitmap_width/2),bitmap_width,bitmap_hight);
			//modified by xuanhui 2002/3/14
			//DrawMonoImage(pGC, bitmap, xSrc+3, (ySrc+(yDest-ySrc)/2-bitmap_width/2), bitmap_width, bitmap_hight, ColorTheme.form_text , ColorTheme.form_client);
//			DrawMonoImage(pGC, bitmap, (U16)(xSrc+BTN_INTERVAL+1), (U16)(ySrc+(yDest-ySrc)/2-bitmap_hight/2), (U16)bitmap_width, (U16)bitmap_hight, ColorTheme.form_frontcolor , ColorTheme.form_backcolor);
			{
				U32	hbmp;
				U16 lx,ly;
				U16	bmp_w, bmp_h;
				U32 palette[2];
				
				if( btn_style & WS_DISABLED )
				{
					palette[0] = ColorTheme.form_client;
					if( btn_style & BS_TRANSPARENT )
						palette[1] = ColorTheme.obj3D_disablecolor;
					else
						palette[1] = ColorTheme.form_disablecolor;
					hbmp = GrizzleBitmap( bitmap, palette );
				}
				else
					hbmp = LoadBitmap( bitmap, NULL );

				bmp_w = ((BITMAP *)hbmp)->info.width;
				bmp_h = ((BITMAP *)hbmp)->info.height;
				if( bmp_w < btWidth )
					lx = xSrc + ( btWidth - bmp_w )/2;
				else
					lx = 0;
				if( bmp_h < btHeight )
					ly = ySrc + ( btHeight - bmp_h )/2;
				else
					ly = 0;
				if( hbmp != 0 )
				{
					//SetBMPPalette( hbmp, palette, NULL );
					if( btn_style & BS_TRANSPARENT )
					{
						U32	trColor;

						SetBkFillMode( pGC, MAKELONG( GPC_REPLACE_STYLE, GPC_TRANSPARENT_STYLE ) );
						trColor = ((BITMAP *)hbmp)->palette[0];
						DisplayBMPEx( pGC, lx, ly, hbmp, GPC_TRANSPARENT_STYLE, trColor );
					}
					else
						DisplayBMP( pGC, lx, ly, hbmp );
					FreeBitmap( hbmp );
				}
			}
		}
	}else{
		if( bitmap == NULL )
		{	
			if ( dcaption != NULL )	//modified by xuanhui 2002/4/4
			{
				if( LOWORD(btn_style) & BS_MULTILINE )//changed 2001/4/10
				{
					//modified by xuanhui 2002/3/28
					if ( (U16)(xDest-xSrc+1) < (U16)(BTN_MULTILINE_INTERVAL*2+ ENGLISH_CHAR_WIDTH+2) 
					|| (U16)(yDest-ySrc+1) < (U16)(BTN_MULTILINE_INTERVAL*2+ CHINESE_CHAR_HEIGHT+2) )
						return ASIX_ERROR;
					
					//modified by xuanhui 2002/3/14	btcaption
					//DisplayMsg(btcaption, xSrc+4, ySrc+4, xDest-4, yDest-4, GPC_REPLACE_STYLE );
					DisplayMsg(btcaption, (S16)(xSrc+BTN_MULTILINE_INTERVAL), (S16)(ySrc+BTN_MULTILINE_INTERVAL), (S16)(xDest-BTN_MULTILINE_INTERVAL), (S16)(yDest-BTN_MULTILINE_INTERVAL), GPC_REPLACE_STYLE );
				}else{
					//modified by xuanhui 2002/3/28
//					if ( (U16)(xDest-xSrc+1) < (U16)(BTN_INTERVAL*2+2+ENGLISH_CHAR_WIDTH) 
//					|| (U16)(BTN_REGULAR_STR_INTERVAL+(U16)((yDest-ySrc+1)/2)-1) < CHINESE_CHAR_HEIGHT
//					|| (U16)(CHINESE_CHAR_HEIGHT/2) < BTN_REGULAR_STR_INTERVAL )
//						return ASIX_ERROR;
					
					//modified by xuanhui 2002/3/14
					//Disp16StringCenterGrey( grey,dcaption,(U16)(xSrc+3),(U16)(xDest-xSrc-2),(U16)((yDest-ySrc-16)/2+ySrc) );
					//Disp16StringGrey( grey,dcaption,(U16)(xSrc+BTN_INTERVAL+1),(U16)(ySrc+(yDest-ySrc)/2-BTN_REGULAR_STR_INTERVAL) );
					strX = AlignString( dcaption, xSrc + BTN_INTERVAL, btWidth - BTN_INTERVAL*2, GPC_ALIGN_CENTER );
					strY = ySrc + BTN_INTERVAL + ( ( btHeight - BTN_INTERVAL*2 - CHINESE_CHAR_HEIGHT )>>1 );
					TextOut( pGC, dcaption, strX, strY, NULL, grey, GPC_REPLACE_STYLE );
				}
				// ppsm use follow function to make transparent background
				// but in new gpc function we have realized it
				// so remove it ( longn_qi 2001/11/15 revised )
				//if( LOWORD(btn_style)&BS_BOARD )
				//	ClearRec(pGC, GPC_LIGHTGREY,(U16)(xSrc+2), (U16)(ySrc+2), (U16) (xDest-xSrc-2), (U16) (yDest-ySrc-2),GPC_OR_STYLE);
			}			
		} else {
			//switchonetotwo( (char*)bitmap,xSrc+(xDest-xSrc)/2-bitmap_width/2,(ySrc+(yDest-ySrc)/2-bitmap_hight/2),bitmap_width,bitmap_hight);
			
			//modified by xuanhui 2002/3/14
			//DrawMonoImage(pGC, bitmap, xSrc+(xDest-xSrc+1)/2-bitmap_width/2, (ySrc+(yDest-ySrc+1)/2-bitmap_width/2), bitmap_width, bitmap_hight, ColorTheme.form_text, ColorTheme.form_client);
			//DrawMonoImage(pGC, bitmap, (U16)(xSrc+(xDest-xSrc+1)/2-bitmap_width/2), (U16)(ySrc+(yDest-ySrc+1)/2-bitmap_hight/2), (U16)bitmap_width, (U16)bitmap_hight, ColorTheme.form_frontcolor , ColorTheme.form_backcolor);
			{
				U32	hbmp;
				U16 lx,ly;
				U16	bmp_w, bmp_h;
				U32 palette[2];
				
				if( btn_style & WS_DISABLED )
				{
					palette[0] = ColorTheme.form_client;
					if( btn_style & BS_TRANSPARENT )
						palette[1] = ColorTheme.obj3D_disablecolor;
					else
						palette[1] = ColorTheme.form_disablecolor;
					hbmp = GrizzleBitmap( bitmap, palette );
				}
				else
					hbmp = LoadBitmap( bitmap, NULL );

				bmp_w = ((BITMAP *)hbmp)->info.width;
				bmp_h = ((BITMAP *)hbmp)->info.height;
				if( bmp_w <= btWidth )
					lx = xSrc + ( btWidth - bmp_w )/2;
				else
					lx = xSrc;
				if( bmp_h <= btHeight )
					ly = ySrc + ( btHeight - bmp_h )/2;
				else
					ly = ySrc;
				if( hbmp != 0 )
				{
					if( btn_style & BS_TRANSPARENT )
					{
						U32	trColor;