uicalendar.c

一个PDA GUI系统的源码

		return;					// 控件不活动

	if(message==PENDOWN)
	{
		day=_guiCalendar_SearchPos(handle,x,y);	// 查找选择的日期
		if(day>0)
		{
			_guiCalendar_Invert(handle);		// 取消原选择的日期
			pCalendar->day=day;
			_guiCalendar_Invert(handle);		// 反显新选择的日期
			guiPenSound();
		}
	}
}

// 显示日历控件
STATUS _guiCalendar_Show(HNDL handle)
{
	short left,top,right,bottom,x,y,hGap,vGap,width,height,tWidth,tHeight,offset,nx,ny;
	WORD year,month,day,week,days,i,nMonth,nDay;
	TGuiCalendar  *pCalendar;
	char buf[3];

	guiEnterWCS();
	if(handle == NULL)					// 句柄错误
	{
		guiExitWCS();
		return STATUS_ERR;
	}

	if(guiControl_IsVisible(handle) == FALSE)	// 控件不可见
	{
		guiExitWCS();
		return STATUS_ERR;
	}

	pCalendar=(TGuiCalendar *)handle;
	left=0;
	top=0;
	right=pCalendar->base.right-pCalendar->base.left;
	bottom=pCalendar->base.bottom-pCalendar->base.top;
	guiClearBlock(handle,left,top,right,bottom,GUI_WHITE,0);

	width=pCalendar->dayWidth;				// 每日有效检测区的宽度和高度
	height=pCalendar->dayHeight;

	hGap=pCalendar->dayHGap;				// 间隔
	vGap=pCalendar->dayVGap;

	tWidth=hGap+width;						// 每日所占区域，包括周围的空白
	tHeight=vGap+height;

	year=pCalendar->year;
	month=pCalendar->month;
	day=1;
	week=guiCalendar_GetWeek(year,month,day);	// 计算1号是星期几
	pCalendar->week=week;

	days=_guiCalendar_GetDaysofMonth(year,month);// 计算当月天数

	x=week*tWidth;								// 1号的显示位置
	y=0;
	nx=(width-15)>>1;
	ny=height-7;

	guiPushFont(pCalendar->base.font);
	buf[2]=0;
	guiCalendar_GetNongli(year,month,day,&nMonth,&nDay);// 1号是农历几月几日

	for(i=1;i<=days;i++)								// 循环显示每一天的信息
	{
		buf[0]=i/10+'0';
		buf[1]=i%10+'0';
		if(buf[0]=='0')
			buf[0]=' ';
		offset=(width-guiGetStringWidth(buf))>>1;
		guiShowString(handle,buf,x+offset,y,GUI_BLACK,0);	// 显示公历日期

		if(nDay>29)											// 是否要进位到农历的下一月
			guiCalendar_GetNongli(year,month,i,&nMonth,&nDay);

		_guiCalendar_ShowNongli(handle,x+nx,y+ny,nMonth,nDay);	// 显示农历
		nDay++;

		x+=tWidth;											// 计算下一日的显示位置
		if(x>right)				// 换行
		{
			x=0;
			y+=tHeight;
			if(y>bottom)
				y=0;
		}
	}
	
	guiPopFont();

	if(pCalendar->day>days)
		pCalendar->day=days;
	_guiCalendar_Invert(handle);	// 当前日期

	guiExitWCS();
	return STATUS_OK;
}

// 删除日历控件
STATUS _guiCalendar_Delete(HNDL handle)
{
	TGuiCalendar  *pCalendar;

	guiEnterWCS();
	if(handle == NULL)					// 句柄错误
	{
		guiExitWCS();
		return STATUS_ERR;
	}

	pCalendar=(TGuiCalendar *)handle;
	if(pCalendar->base.checkFlag != GUI_CONTROL_CHECK_FLAG)
	{
		guiExitWCS();
		return STATUS_ERR;				// 控件无效
	}

	pCalendar->base.checkFlag=0;
	kernelFree(pCalendar);				// 释放空间

	guiExitWCS();
	return STATUS_OK;
}

// 创建日历控件
HNDL guiCalendar_Create(short left,short top,short hGap,short vGap,WORD style)
{	
	TGuiCalendar *pCalendar;
	int width,height;

	guiEnterWCS();
	pCalendar=(TGuiCalendar *)kernelMalloc(sizeof(TGuiCalendar));	// 分配控件存储空间
	if(pCalendar == NULL)
	{
		guiExitWCS();
		return 0;		// 内存不够
	}

	pCalendar->base.handle=(HNDL)pCalendar;
	pCalendar->base.left=left;
	pCalendar->base.top=top;
	pCalendar->base.type=CONTROL_CALENDAR;
	pCalendar->base.checkFlag=GUI_CONTROL_CHECK_FLAG;
	pCalendar->base.style=style;
	pCalendar->base.status=0;
	pCalendar->base.font=GUI_CALENDAR_FONT;
	pCalendar->base.vportHandle=NULL;
	pCalendar->base.container=NULL;
	pCalendar->base.actionFun=_guiCalendar_Action;
	pCalendar->base.showFun=_guiCalendar_Show;
	pCalendar->base.delFun=_guiCalendar_Delete;

	guiPushFont(GUI_CALENDAR_FONT);
	width=guiGetStringWidth("88")+2;	// 用两位数字表时日期时的显示宽度
	height=guiGetStringHeight()+7;
	guiPopFont();

	if(width<17)						// 日期的宽度不能小于农历的宽度
		width=17;

	pCalendar->dayWidth=width;			// 检测区的高度和宽度
	pCalendar->dayHeight=height;
	pCalendar->dayHGap=hGap;			// 水平和垂直间隔
	pCalendar->dayVGap=vGap;

	pCalendar->base.right=left+width*7+hGap*6-1;		// 7列
	if(style & CALENDAR_LINE6)
		pCalendar->base.bottom=top+height*6+vGap*5-1;	// 6行
	else
		pCalendar->base.bottom=top+height*5+vGap*4-1;	// 5行

	guiExitWCS();
	return (HNDL)pCalendar;
}

// 展开日历控件
int guiCalendar_Popup(WORD *srcYear,WORD *srcMonth,WORD *srcDay)
{
	HNDL hCalendar,hDialog,hYear,hMonth,hToday,hOk;
	TGuiCalendar *pCalendar;
	TGuiWindow *pWin;
    TGuiMessage message;
	sysTime	now;
	WORD year,month,day,week,style;
	short left,top,hGap,vGap,titleHeight,yearHeight,yearWidth,monthWidth,dayWidth,dayHeight,buttonWidth;
	int i,index;

	if(*srcDay == 0 || *srcMonth ==0 || *srcYear == 0)		// 开始日期
	{
		sc_getTime(&now);				// 当前日期
		day=now.day;
		month=now.month;
		#ifdef __WIN32__
			//year=now.year+1990;
			year=now.year;  // by zhang xue ping
			
		#else
			year=now.year;
		#endif
	}
	else
	{
		day=*srcDay;
		month=*srcMonth;
		year=*srcYear;
	}

	if( year<CALENDAR_YEAR_MIN || year>CALENDAR_YEAR_MAX )
		return CALENDAR_ERR;						// 年份错误

	if( month<1 || month>12 )
		return CALENDAR_ERR;						// 月份错误

	if( day<1 )								
		return CALENDAR_ERR;						// 天数错误

	if(day>_guiCalendar_GetDaysofMonth(year,month))
		return CALENDAR_ERR;						// 天数错误

	guiEnterWCS();

	// by zhang xue ping
	//hDialog=guiDialog_Create(gpTopWindow->handle,0,0,GUI_SCREEN_WIDTH-1,GUI_SCREEN_HEIGHT-1,RES_STR_CALENDAR[gLanguage],0);
	hDialog=guiDialog_Create(0,0,0,GUI_SCREEN_WIDTH-1,GUI_SCREEN_HEIGHT-1,RES_STR_CALENDAR[gLanguage],0);

	if(hDialog==0)
	{
		guiExitWCS();
		return CALENDAR_ERR;						// 建立对话框错误
	}

	guiPushFont(GUI_DEFAULT_FONT);
	titleHeight=guiGetStringHeight()+TITLE_HEIGHT_ADD;	// 标题条高度
	yearWidth=guiGetStringWidth("8888")+18;
	yearHeight=guiGetStringHeight()+4;
	monthWidth=guiGetStringWidth(RES_STR_MONTH[gLanguage][11])+12;
	buttonWidth=guiGetStringWidth(RES_STR_TODAY[gLanguage])+12;
	top=titleHeight+yearHeight+guiGetStringHeight()+9;
	guiPopFont();

	guiPushFont(GUI_CALENDAR_FONT);
	dayWidth=guiGetStringWidth("88")+2;
	dayHeight=guiGetStringHeight()+7;
	guiPopFont();

	if(dayWidth<17)
		dayWidth=17;

	hGap=(GUI_SCREEN_WIDTH-dayWidth*7)/6;
	if(hGap>10)
		hGap=10;
	left=(GUI_SCREEN_WIDTH-hGap*6-dayWidth*7)>>1;

	if( (dayHeight*6+20)>=GUI_SCREEN_HEIGHT-top )
	{
		style=CALENDAR_LINE5;
		vGap=(GUI_SCREEN_HEIGHT-top-dayHeight*5)/4;
	}
	else
	{
		style=CALENDAR_LINE6;
		vGap=(GUI_SCREEN_HEIGHT-top-dayHeight*6)/5;
	}

	if(vGap>8)
		vGap=8;

	hCalendar=guiCalendar_Create(left,top,hGap,vGap,style);		// 建立日历控件
	if(hCalendar == NULL)
	{
		guiExitWCS();
		guiDialog_Delete(hDialog);
		return CALENDAR_ERR;			// 创建日历控件失败
	}

	pCalendar=(TGuiCalendar *)hCalendar;
	pCalendar->day=day;					// 将开始日期存入日历控件
	pCalendar->month=month;
	pCalendar->year=year;

	// 标题条上的确定按钮
	hOk=guiButton_Create(GUI_SCREEN_WIDTH-buttonWidth-2,0,GUI_SCREEN_WIDTH-3,titleHeight-1,RES_STR_OK[gLanguage],BUTTON_TITLE);

	// “今天”按钮的宽度
	buttonWidth+=12;

	// 年、月、今天之间的间隔
	hGap=pCalendar->base.right-pCalendar->base.left+1-yearWidth-monthWidth-buttonWidth;
	hGap>>=1;

	left=pCalendar->base.left;		// 建立年选择器
	top=titleHeight+2;
	hYear=guiSelector_Create(left, top,left+yearWidth-1,top+yearHeight-1,SELECTOR_NUMBER|SELECTOR_ISLOOP);
	guiSelector_Setup( hYear,CALENDAR_YEAR_MIN,CALENDAR_YEAR_MAX,year);

	left+=yearWidth+hGap;			// 建立月选择器
	hMonth=guiSelector_Create(left,top,left+monthWidth-1,top+yearHeight-1,SELECTOR_ISLOOP);
	for(i=0;i<12;i++)
		guiSelector_AddItem(hMonth,RES_STR_MONTH[gLanguage][i]);
	guiSelector_Select(hMonth,month-1);

	left+=monthWidth+hGap;			// 建立“今天”按钮
	hToday=guiButton_Create(left,top,left+buttonWidth-1,top+yearHeight-1,RES_STR_TODAY[gLanguage],0);

	// 将控件加入对话框
	guiControl_Add(hDialog,hOk);
	guiControl_Add(hDialog,hToday);
	guiControl_Add(hDialog,hYear);
	guiControl_Add(hDialog,hMonth);
	guiControl_Add(hDialog,hCalendar);

	if(guiDialog_Show(hDialog)==STATUS_ERR)	
	{
		guiDialog_Delete(hDialog);
		guiExitWCS();
		return CALENDAR_ERR;			// 显示日历控件失败
	}

	top+=yearHeight+2;
	guiDrawLine(hDialog,0,top,GUI_SCREEN_WIDTH-1,top,GUI_BLACK,GUI_HATCH);

	guiPushFont(GUI_DEFAULT_FONT);		// 显示星期
	top+=2;
	left=pCalendar->base.left+((dayWidth-guiGetWordWidth())>>1);
	hGap=pCalendar->dayWidth+pCalendar->dayHGap;
	for(i=0;i<7;i++)
	{
		guiShowString(hDialog,RES_STR_WEEK[gLanguage][i],left,top,GUI_BLACK,0);
		left+=hGap;
	}
	guiPopFont();
	guiExitWCS();

	pWin = (TGuiWindow *)hDialog;
	while(1)
	{
        if( guiDequeue(pWin->messageQueue, &message) == -1)
			continue;
		switch(message.messageType)
		{
		case BUTTON_CLICK:
			if(message.handle == hOk)
			{
				*srcYear=pCalendar->year;
				*srcMonth=pCalendar->month;
				*srcDay=pCalendar->day;
				guiDialog_Delete(hDialog);
				return CALENDAR_OK;				// 确认日期选择
			}
			else if(message.handle == hToday)
			{
				sc_getTime(&now);				// 当前日期
				pCalendar->day=now.day;
				pCalendar->month=now.month;
				#ifdef __WIN32__
					//pCalendar->year=now.year+1990;
					pCalendar->year=now.year;   // by zhang xue ping
				#else
					pCalendar->year=now.year;
				#endif
				guiSelector_Select(hYear,pCalendar->year-CALENDAR_YEAR_MIN);
				guiSelector_Select(hMonth,pCalendar->month-1);
				_guiCalendar_Show(hCalendar);
			}
			break;
		case SELECTOR_CLICK:
			if( message.handle == hYear )
			{
				index=guiSelector_GetSelectIndex(hYear);
				pCalendar->year=index+CALENDAR_YEAR_MIN;
				_guiCalendar_Show(hCalendar);
			}
			if( message.handle == hMonth )
			{
				index=guiSelector_GetSelectIndex(hMonth);
				pCalendar->month=index+1;
				_guiCalendar_Show(hCalendar);
			}
			break;
		case WIN_CLOSE:
			guiDialog_Delete(hDialog);
			return CALENDAR_CANCLE;				// 取消选择并返回
		default:
			break;
		}
	}
}