q_list.cpp

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#include    "qcurses/Q_List.hpp"
/*
# 最后修改时间 2004-12-6 ，加入了一个 TmpValue 用来装载超过 RealMaxx 的变量
#
#
#
#
#
*/

/*########################################
# 函数功能：构造函数                     #
# 函数参数：WINDOW   *vMainWin  主窗口   #
#           int      vHeight     高度     #
#           int      vWidth     宽度     #
#           int      vYBegin    起始y    #
#           int      vXBegin    起始x    #
#           bool     vBox       是否画框 #
#           int      vCFront    文字颜色 #
#           int      vCBack     背景颜色 #
#           int      vMaxCount  最大值   #
########################################*/
Q_List::Q_List(WINDOW  *vMainWin,int   vHeight,int  vWidth,int  vYBegin,int  vXBegin,bool   vBox,int  vCFront,int  vCBack,int  vMaxCount):Q_Object(vMainWin,  vHeight,  vWidth,  vYBegin,  vXBegin,   vBox,  vCFront,  vCBack)
{
	EndRow = 0;
	NowKey = 0;
	nCount = 0;
	NowLINE = 0;
	NowIndex = 0;
	NowTopINDEX = 0;
	if (vMaxCount>MAXCOUNT || vMaxCount==0)
		vMaxCount = MAXCOUNT;
	MaxCount = vMaxCount;
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：析构函数                     #
# 返 回 值：NULL                         #
# 函数参数：NULL                         #
########################################*/
Q_List::~Q_List()
{
	FreeValue();
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：控件获取值                   #
# 返 回 值：返回的是最后的键盘值         #
# 函数参数：NULL                         #
########################################*/
int      Q_List::Get()
{
	int  line=RealY+NowLINE;      //行
	int  index=NowIndex;          //索引
	char *TmpValue = new char[1024];

	wattroff(WorkWin,A_REVERSE);
	Refresh(NowTopINDEX);
	wattron(WorkWin,A_REVERSE);
	memset(TmpValue,'\0',1024);
	strcpy(TmpValue,Value[NowIndex]);
	TmpValue[RealMaxx-2]='\0';
	mvwaddstr(WorkWin,RealY+NowLINE,RealX,TmpValue);
	wattroff(WorkWin,A_REVERSE);

	for (; ; )
	{
		GetKey();
		wrefresh(WorkWin);
		if(isCheckBreak(NowKey))     //退出键
			break;

		wattroff(WorkWin,A_REVERSE);
		memset(TmpValue,'\0',1024);
		strcpy(TmpValue,Value[index]);
		TmpValue[RealMaxx-2]='\0';
		mvwaddstr(WorkWin,line,RealX,TmpValue);

		if(NowKey==KEY_UP)
		{
			if (index<=0)
				index=0;
			else
			{
				index--;
				line--;
			}
		}
		if(NowKey==KEY_DOWN)
		{
			if (index >= nCount-1)
				index = nCount-1;
			else
			{
				index++;
				line++;
			}
		}

		if(NowKey==338)       //PageDown
		{
			if (index+(RealMaxy*2)<nCount)
				index+=RealMaxy;
			else
			{
				if (nCount-RealMaxy>0)
					index=nCount-RealMaxy;
				else
					index=0;
			}
			line=0;
		}

		if(NowKey==339)       //PageUp
		{
			if (index-RealMaxy>=0)
				index-=RealMaxy;
			else
				index = 0;
			line=0;
		}

		if(NowKey==KEY_HOME)  //Home
		{
			index=0;
			line=0;
		}

		if(NowKey==KEY_END)   //End
		{
			index = nCount-1;
			if (nCount-1>RealMaxy)
				line = RealY+RealMaxy;
			else
				line = RealY+nCount-1;
		}
		
		if (line>RealY+RealMaxy-1)
		{
			line = RealY+RealMaxy-1;
			Refresh(index-RealMaxy+1);
			NowTopINDEX = index-RealMaxy+1;
		}
		if (line<RealY)
		{
			line = RealY;
			Refresh(index);
			NowTopINDEX = index;
		}

		wattron(WorkWin,A_REVERSE);
		memset(TmpValue,'\0',1024);
		strcpy(TmpValue,Value[index]);
		TmpValue[RealMaxx-2]='\0';
		mvwaddstr(WorkWin,line,RealX,TmpValue);
		wattroff(WorkWin,A_REVERSE);
	}
//	wattroff(WorkWin,A_REVERSE);
//	mvwaddstr(WorkWin,line,RealX,Value[index]);
	wrefresh(WorkWin);
	NowIndex = index;
	NowLINE = line-1;
	return(NowKey);
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：检查是否键入了退出按钮       #
# 返 回 值：是否属于                     #
# 函数参数：当前按键                     #
########################################*/
bool     Q_List::isCheckBreak(int&  Key)
{
	if (Key==10)
		return(true);
	if (Key==9)
		return(true);
	if (Key==KEY_LEFT)
		return(true);
	if (Key==KEY_RIGHT)
		return(true);
	return(false);
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：从 start 开始刷新            #
# 返 回 值：NULL                         #
# 函数参数：开始值                       #
########################################*/
void     Q_List::Refresh(int   StartLine)
{
	int  LINES = RealY,i=0;
	char *TmpValue = new char[1024];

	for (i=StartLine;i<StartLine+RealMaxy;i++)
	{
		if (i>=nCount)
			break;

		memset(TmpValue,'\0',1024);
		strcpy(TmpValue,Value[i]);
		TmpValue[RealMaxx-2]='\0';
		mvwaddstr(WorkWin,LINES,RealX,TmpValue);

		for (int j=RealX+strlen(TmpValue);j<RealX+RealMaxx;j++)
			mvwprintw(WorkWin,LINES,j," ");
		LINES++;
	}
	if (StartLine>0)
		mvwaddstr(WorkWin,RealY,RealX+RealMaxx-2,"↑");
	else
		mvwaddstr(WorkWin,RealY,RealX+RealMaxx-2,"  ");
	if (i<nCount)
		mvwaddstr(WorkWin,RealY+RealMaxy-1,RealX+RealMaxx-2,"↓");
	else
		mvwaddstr(WorkWin,RealY+RealMaxy-1,RealX+RealMaxx-2,"  ");
	wrefresh(WorkWin);
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：从 start 开始刷新            #
# 返 回 值：NULL                         #
# 函数参数：开始值                       #
########################################*/
bool     Q_List::Add(char  *format,...)
{
	//赋值
	char     *TempStr = new char[1024];
	va_list  ap;
	va_start (ap,format);
	if(vsprintf(TempStr,format,ap)<0)
		strcpy(TempStr,"TooLong");
	va_end(ap);
	Value[nCount] = new char[strlen(TempStr)+1];
	memset(Value[nCount],'\0',strlen(TempStr)+1);
	strcpy(Value[nCount],TempStr);
	delete []TempStr;

	if (nCount>=MaxCount && MaxCount>0)
		return false;
	else
		nCount++;

	if (EndRow <= RealMaxy)
		EndRow++;

	Refresh(0);
	NowLINE = 0;
	NowIndex = 0;
	NowTopINDEX = 0;
	wrefresh(WorkWin);
	return(true);
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：清空数据从头开始             #
# 返 回 值：NULL                         #
# 函数参数：NULL                         #
########################################*/
void     Q_List::Clear()
{
	int  i=0;
	char *SPACE = new char[RealMaxx];
	FreeValue();
	memset(SPACE,' ',RealMaxx);
	SPACE[RealMaxx-1]='\0';
	for (i=RealY;i<=RealMaxy;i++)
		mvwprintw(WorkWin,i,RealX,"%s",SPACE);
	wmove(WorkWin,RealX,RealY);
	delete  []SPACE;

	nCount = 0;
	NowLINE = 0;
	NowIndex = 0;
	NowTopINDEX = 0;
	wrefresh(WorkWin);
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：将当前列表写入指定文件       #
# 返 回 值：成功写入返回 true 否则 false #
# 函数参数：char  *FileName   写入文件   #
########################################*/
bool     Q_List::WriteToFile(char  *FileName)
{
	FILE  *FP;
	if ((FP=fopen(FileName,"w"))==NULL)
		return(false);
	for (int i=0;i<nCount;i++)
		fprintf(FP,"%s\n",Value[i]);
	fclose(FP);
	return(true);
}
//------------------------------------------------------------------------------------------
/*########################################
# 函数功能：是否所有列表值               #
# 返 回 值：NULL                         #
# 函数参数：NULL                         #
########################################*/
void     Q_List::FreeValue()
{
	for (int i=0;i<nCount;i++)
		delete []Value[i];
}