q_menu.cpp

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#include   "qcurses/Q_Menu.hpp"

/*#################################################################################################################
修改意向 2004年12月14日 准备增强菜单的左右移动功能，比如移动最右边自动打到最左边

*/

//#################################################################################################################
//菜单函数－－－菜单项
Q_MenuItem::Q_MenuItem(int flag,char *name,bool sub,int upflag)
{
	M_Flag = flag;
	strcpy(M_Name,name);
	M_Sub = sub;
	M_UpFlag = upflag;
	M_LEN=strlen(M_Name);
}
//#################################################################################################################
//菜单函数－－－子菜单项
Q_SubMenuItem::Q_SubMenuItem()
{
	Count=0;
	SubWidth=0;
}
//-----------------------------------------------------------------------------------
void    Q_SubMenuItem::ComputSubWidth()
{
	int i=0;
	SubWidth=0;
	for (i=0;i<Count;i++)
	{
		if (SM_Item[i]->M_LEN>SubWidth)
			SubWidth=SM_Item[i]->M_LEN;
	}
}
//-----------------------------------------------------------------------------------
bool    Q_SubMenuItem::AddSubMenuItem(Q_MenuItem  *Items)
{
	//控制在  20  个以内
	if (Count>=20)
		return(false);
	SM_Item[Count] = Items;

	//计算最大宽度
	if (Items->M_LEN>SubWidth)
		SubWidth=Items->M_LEN;
	Count++;
	return(true);
}
//#################################################################################################################
//菜单函数－－－子菜单项
Q_MenuList::Q_MenuList(WINDOW  *vMainWin,int   vHeight,int  vWidth,int  vYBegin,int  vXBegin,bool   vBox,int  vCFront,int  vCBack,int  vMaxCount):Q_List(vMainWin, vHeight, vWidth, vYBegin, vXBegin, vBox, vCFront, vCBack, vMaxCount)
{
}
//-----------------------------------------------------------------------------------
bool    Q_MenuList::isCheckBreak(int&  Key)
{
	if (Key==10)
		return(true);
	if (Key==KEY_LEFT)
		return(true);
//	if (Key==KEY_RIGHT)
//		return(false);
	return(false);
}
//#################################################################################################################
//菜单函数－－－菜单实现函数
Q_Menu::Q_Menu(WINDOW  *vMainWin,int  vWidth,int  vYBegin,int  vXBegin,bool  vBox,int  vCFront,int  vCBack):Q_Object(vMainWin, 3, vWidth, vYBegin, vXBegin, vBox, vCFront, vCBack)
{
	Count = 0;
	MenuJG = 1;
	SubFloor = 0;
	MainItemCount=0;
}
//-----------------------------------------------------------------------------------
void    Q_Menu::DispMenu()
{
	int    NowCol=0;
	touchwin(WorkWin);
	wrefresh(WorkWin);
	MainItemCount=0;
	if (Count<=0)
		return;
	for (int i=0;i<Count;i++)
	{
		if (MenuItems[i]->M_UpFlag!=0)
			continue;
		if (i==0)
		{
			mvwaddstr(WorkWin,1,2,MenuItems[i]->M_Name);
			MainMenuItem[MainItemCount]=MenuItems[i];
			NowCol+=(2+MenuJG+MenuItems[i]->M_LEN);
			MainItemCount++;
			continue;
		}
		mvwaddstr(WorkWin,1,NowCol,MenuItems[i]->M_Name);
		MainMenuItem[MainItemCount]=MenuItems[i];
		NowCol+=(MenuJG+MenuItems[i-1]->M_LEN);
		MainItemCount++;
	}
	wattron(WorkWin,A_REVERSE);
	mvwaddstr(WorkWin,1,2,MainMenuItem[0]->M_Name);
	wattroff(WorkWin,A_REVERSE);
	wrefresh(WorkWin);
}
//-----------------------------------------------------------------------------------
int     Q_Menu::Get()
{
	Q_MenuItem      *SelectEdMainMenuItem;
	Q_SubMenuItem   *SubLevel0;
	Q_SubMenuItem   *SubLevel1;
	Q_SubMenuItem   *SubLevel2;   //最多3层

	int  x1,y1,x2,y2,x3,y3;
	for (;;)
	{
		//首先取得主菜单的选项
		for (;;)
		{
			SelectEdMainMenuItem = GetMainMenuItem();
			if(NowKey==10)
				break;
			if(isCheckBreak(NowKey))     //类退出键
				return(NowKey);
		}
		if (SelectEdMainMenuItem==NULL)
				return(-1);

		NowKey=0;
		getsyx(x1,y1);
		//只所以要+6是要加入边框和上下剪头的位置
		SubLevel0 = MakeSubItem(SelectEdMainMenuItem);
		if (SubLevel0->Count<=0 || SubLevel0==NULL)
			continue;

		//是否超过屏幕最大宽度(等于当前子宽度+上一级别菜单宽度)
		if (y1+6+SubLevel0->SubWidth>80)
			y1=80-SubLevel0->SubWidth-4;

		//是否超过屏幕最大高度
		if (x1-2+SubLevel0->Count+2>24)
		{
			SubWin[0] = newwin(24-(x1+SubLevel0->Count+2)+24-1,SubLevel0->SubWidth+6,x1+2,y1-SelectEdMainMenuItem->M_LEN);
			SubMenuList[0] = new Q_MenuList(SubWin[0],24-(x1+SubLevel0->Count+2)+24-1,SubLevel0->SubWidth+6,0,0,true,CFront,CBack);
		}
		else
		{
			SubWin[0] = newwin(SubLevel0->Count+2,SubLevel0->SubWidth+6,x1+2,y1-SelectEdMainMenuItem->M_LEN);
			SubMenuList[0] = new Q_MenuList(SubWin[0],SubLevel0->Count+2,SubLevel0->SubWidth+6,0,0,true,CFront,CBack);
		}
		SubMenuList[0]->Clear();
		for (int i=0;i<SubLevel0->Count;i++)
			SubMenuList[0]->Add(SubLevel0->SM_Item[i]->M_Name);
Level1:
		SubMenuList[0]->Get();
		if(SubMenuList[0]->GetNowKey()==KEY_LEFT)  //如果输入了 BACK 就返回上层
		{
			delete  SubMenuList[0];
			delwin(SubWin[0]);
			touchwin(MainWin);
			wrefresh(MainWin);
			continue;
		}

		//第二级菜单
		getsyx(x2,y2);
		SubLevel1 = MakeSubItem(SubLevel0->SM_Item[SubMenuList[0]->GetIndex()]);
		if (SubLevel1->Count<=0 && (SubMenuList[0]->GetNowKey()==10 || SubMenuList[0]->GetNowKey()==KEY_RIGHT))
		{
			SelectEdMenuItem = SubLevel0->SM_Item[SubMenuList[0]->GetIndex()];
			delete  SubMenuList[0];
			delwin(SubWin[0]);
			break;
		}

		//是否超过屏幕最大宽度(等于当前子宽度+上一级别菜单宽度)
		if (y2+6+SubLevel1->SubWidth+6>80)
			y2=y2-6-SubLevel1->SubWidth-SubLevel0->SM_Item[SubMenuList[0]->GetIndex()]->M_LEN-6;

		if (x2+SubLevel1->Count+2>24)
		{
			SubWin[1] = newwin(24-(x2+SubLevel1->Count+2)+24-1,SubLevel1->SubWidth+6,x2-1,y2+4);
			SubMenuList[1] = new Q_MenuList(SubWin[1],24-(x2+SubLevel1->Count+2)+24-1,SubLevel1->SubWidth+6,0,0,true,CFront,CBack);
		}
		else
		{
			SubWin[1] = newwin(SubLevel1->Count+2,SubLevel1->SubWidth+6,x2-1,y2+4);
			SubMenuList[1] = new Q_MenuList(SubWin[1],SubLevel1->Count+2,SubLevel1->SubWidth+6,0,0,true,CFront,CBack);
		}
		SubMenuList[1]->Clear();
		for (int i=0;i<SubLevel1->Count;i++)
		{
			SubMenuList[1]->Add(SubLevel1->SM_Item[i]->M_Name);
		}
Level2:
		SubMenuList[1]->Get();
		if(SubMenuList[1]->GetNowKey()==KEY_LEFT)  //如果输入了 BACK 就返回到上层
		{
			delete  SubMenuList[1];
			delwin(SubWin[1]);
			touchwin(MainWin);
			wrefresh(MainWin);
			touchwin(SubWin[0]);
			wrefresh(SubWin[0]);
			goto Level1;
		}

		//第三级菜单
		getsyx(x3,y3);
		SubLevel2 = MakeSubItem(SubLevel1->SM_Item[SubMenuList[1]->GetIndex()]);
		if (SubLevel2->Count<=0 && (SubMenuList[1]->GetNowKey()==10 || SubMenuList[1]->GetNowKey()==KEY_RIGHT))
		{
			SelectEdMenuItem = SubLevel1->SM_Item[SubMenuList[1]->GetIndex()];
			delete  SubMenuList[0];
			delwin(SubWin[0]);
			delete  SubMenuList[1];
			delwin(SubWin[1]);
			break;
		}

		//是否超过屏幕最大宽度(等于当前子宽度+上一级别菜单宽度)
		if (y3+4+SubLevel2->SubWidth+6>80)
			y3=80-8-SubLevel2->SubWidth-6-SubLevel1->SM_Item[SubMenuList[1]->GetIndex()]->M_LEN-6;

		//是否超过屏幕最大高度
		if (x3-1+SubLevel2->Count+2>24)
		{
			SubWin[2] = newwin(24-(x3+SubLevel2->Count+2)+24-1,SubLevel2->SubWidth+6,x3-1,y3+4);
			SubMenuList[2] = new Q_MenuList(SubWin[2],24-(x3+SubLevel2->Count+2)+24-1,SubLevel2->SubWidth+6,0,0,true,CFront,CBack);
		}
		else
		{
			SubWin[2] = newwin(SubLevel2->Count+2,SubLevel2->SubWidth+6,x3-1,y3+4);
			SubMenuList[2] = new Q_MenuList(SubWin[2],SubLevel2->Count+2,SubLevel2->SubWidth+6,0,0,true,CFront,CBack);
		}
		SubMenuList[2]->Clear();
		for (int i=0;i<SubLevel2->Count;i++)
			SubMenuList[2]->Add(SubLevel2->SM_Item[i]->M_Name);
		SubMenuList[2]->Get();
		if(SubMenuList[2]->GetNowKey()==KEY_LEFT)  //如果输入了 BACK 就返回到上层
		{
			delete  SubMenuList[2];
			delwin(SubWin[2]);
			touchwin(MainWin);
			wrefresh(MainWin);
			touchwin(SubWin[0]);
			wrefresh(SubWin[0]);
			goto Level2;
		}
		if (SubMenuList[2]->GetNowKey()==10 || SubMenuList[2]->GetNowKey()==KEY_RIGHT)
		{
			SelectEdMenuItem = SubLevel2->SM_Item[SubMenuList[2]->GetIndex()];
			delete  SubMenuList[0];
			delwin(SubWin[0]);
			delete  SubMenuList[1];
			delwin(SubWin[1]);
			delete  SubMenuList[2];
			delwin(SubWin[2]);
			break;
		}

	}

	touchwin(MainWin);
	wrefresh(MainWin);

	return(NowKey);
}
//-----------------------------------------------------------------------------------
Q_MenuItem    *Q_Menu::GetMainMenuItem()
{
	int    NowCol=2,i=0;
	if (MainItemCount<=0)
		return(NULL);
	DispMenu();
	for (;;)
	{
		GetKey();
		if(isCheckBreak(NowKey))     //类退出键
			break;
		wattroff(WorkWin,A_REVERSE);
		mvwaddstr(WorkWin,1,NowCol,MainMenuItem[i]->M_Name);
		if(NowKey==KEY_LEFT)
		{
			if (i<=0)
			{
				NowCol=2;
				i=MainItemCount-1;
				for (int j=0;j<MainItemCount-1;j++)
				{
					if (j==0)
						NowCol+=(MenuJG+MainMenuItem[j]->M_LEN);
					else
						NowCol+=(MenuJG+MainMenuItem[j-1]->M_LEN);
				}
			}
			else
			{
				NowCol=2;
				for (int j=0;j<i-1;j++)
				{
					if (j==0)
						NowCol+=(MenuJG+MainMenuItem[j]->M_LEN);
					else
						NowCol+=(MenuJG+MainMenuItem[j-1]->M_LEN);
				}
				i--;
			}
		}
		if(NowKey==KEY_RIGHT)
		{
			if (i>=MainItemCount-1)
			{
				i=0;
				NowCol=2;
			}
			else
			{
				if (i==0)
					NowCol+=(MenuJG+MainMenuItem[i]->M_LEN);
				else
					NowCol+=(MenuJG+MainMenuItem[i-1]->M_LEN);
				i++;
			}
		}
		wattron(WorkWin,A_REVERSE);
		mvwaddstr(WorkWin,1,NowCol,MainMenuItem[i]->M_Name);
		wattroff(WorkWin,A_REVERSE);
		wrefresh(WorkWin);
	}
	wattron(WorkWin,A_REVERSE);
	mvwaddstr(WorkWin,1,NowCol,MainMenuItem[i]->M_Name);
	wattroff(WorkWin,A_REVERSE);
	wrefresh(WorkWin);
	return(MainMenuItem[i]);
}
//-----------------------------------------------------------------------------------
void    Q_Menu::AddMenu(int flag,char *name,bool sub,int upflag)
{
	MenuItems[Count] = new Q_MenuItem(flag,name,sub,upflag);
	DispMenu();
	Count++;
}
//-----------------------------------------------------------------------------------
void    Q_Menu::SetSpace(int JG)
{
	MenuJG=JG;
}
//-----------------------------------------------------------------------------------
Q_SubMenuItem *Q_Menu::MakeSubItem(Q_MenuItem  *MMenu)
{
	Q_SubMenuItem  *SUBM  = new Q_SubMenuItem;
	int           i=0,j=0;
	for (i=0;i<Count;i++)
	{
		if (MenuItems[i]->M_UpFlag==MMenu->M_Flag)
		{
			if(!SUBM->AddSubMenuItem(MenuItems[i]))
				return(NULL);
			else
				j++;
		}
	}
	if (j<=0)
	{
		SUBM->Count = 0;
		return(SUBM);
	}
	return(SUBM);
}
//-----------------------------------------------------------------------------------
bool    Q_Menu::isCheckBreak(int &Key)
{
	if (Key==8)
		return(true);
	if (Key==10)
		return(true);
	return(false);
}
//-----------------------------------------------------------------------------------
Q_MenuItem   *Q_Menu::GetSelectedMenu()
{
	return(SelectEdMenuItem);
}
//-----------------------------------------------------------------------------------