menue.c

TC与BC++用户界面程序设计 《Turbo CBorland C++用户界面程序设计》（西安交通大学出版社 周升锋 李立新 等著）的随书软盘

/*
     MENUE.C 西文DOS下的西文下拉式菜单
*/
#include "graphics.h"
#include "conio.h"
#include "bios.h"
#include "process.h"
#include "string.h"
#include "stdio.h"

#define  LEFT    331  /* 功能键的宏定义 */
#define  RIGHT   333
#define  UPPER   328
#define  DOWN    336
#define  ALT_X   301
#define  ESC     27
#define  ENTER   13

void WrtMnMenu(void);
void WrtSbMenu(void);
void SlctMenu(void);
void SlctMnMenu(void);
void SlctSbMenu(void);
int  GetKey(void);
void SbFunGo(void);
void Screen(void);
void Wind(int,int,int,int,int,int,int,int,int);
void Quit(void);

int  Mm = 0;                      /* 主菜单选项               */
int  Smm[4];                      /* 各项主菜单下的子菜单选项 */
int  SbNum[4] = {6, 6, 4, 3};     /* 各项主菜单的子菜单项数   */
int  SbWid[4] = {20, 10, 13, 16}; /* 各项子菜单的窗口宽度     */
int  SbX[4] = {5, 20, 33, 47};    /* 各项子菜单的X坐标        */
int  Key = 0;			  /* 选择的键                 */
char Buf[1000];
char *Main[4] = {" Parameters ", " Sampling ", " Reduction ", " Simple "};
						 /* 主菜单项名 */
char *Sub[4][6] = {
		  { "Signal     Channel",        /* 子菜单项名 */
		    "Channel   Selected",
		    "Sample      Points",
		    "Sample   Friquency",
		    "Amplifyer     Gain",
		    "Trigger     signal"
		  },
		  { "Sampling ",
		    "Dataview ",
		    "Waveview ",
		    "Realtime ",
		    "Histogram",
		    "Realhisto"
		  },
		  { "Reduction  ",
		    "Resultdata ",
		    "Resultview ",
		    "Calibration"
		  },
		  { "Acceleration  1",
		    "Acceleration  2",
		    "Acceleration  3"
		 }};
int main(void)
{
   Screen();
   WrtMnMenu();
   WrtSbMenu();
   SlctMenu();
   Quit();
   return(0);
}

void WrtMnMenu(void)
{
   int i;
   window(1, 1, 80, 25);       /* 显示主菜单 */
   textattr(0x3e);
   for (i = 0; i < 4; i++)
   {
      gotoxy(SbX[i], 1);
      cputs(Main[i]);
   }
   gotoxy(SbX[Mm], 1); 		/* 设置光条颜色 */
   textattr(0x4e);
   cputs(Main[Mm]);
}

void WrtSbMenu(void)
{
   int i;
   gettext(SbX[Mm]-2, 2, SbX[Mm]+SbWid[Mm]+1, SbNum[Mm]+4, Buf);
   Wind(SbX[Mm]-2, 2, SbX[Mm]+SbWid[Mm], SbNum[Mm]+3, 1, 1, 3, 15, 1);
   textattr(0x3f);               /* 显示子菜单 */
   for (i=0; i < SbNum[Mm]; i++)
   {
      gotoxy(2, 1+i);
      cputs(Sub[Mm][i]);
   }
   textattr(0x1e);		/* 子菜单选项的颜色 */
   gotoxy(2, Smm[Mm]+1);
   cputs(Sub[Mm][Smm[Mm]]);
}

void SlctMenu(void)          	/*  执行菜单选择功能 */
{
   while(Key != ALT_X && Key != ESC)
   {
     Key = GetKey();
     if (Key == LEFT || Key == RIGHT)  SlctMnMenu();
     if (Key == UPPER || Key == DOWN)  SlctSbMenu();
     if (Key == ENTER)                 SbFunGo();
   }
   return;
}

void SlctMnMenu(void)
{
   window(1, 1, 80, 25);
   textattr(0x3e);
   gotoxy(SbX[Mm], 1);
   cputs(Main[Mm]);
   textattr(0x31);
   puttext(SbX[Mm]-2, 2, SbX[Mm]+SbWid[Mm]+1, SbNum[Mm]+4, Buf);
   if (Key == LEFT)  Mm = Mm == 0 ? 3 : Mm-1;
   if (Key == RIGHT) Mm = Mm == 3 ? 0 : Mm+1;
   textattr(0x4e);
   gotoxy(SbX[Mm], 1);
   cputs(Main[Mm]);
   WrtSbMenu();
}

void SlctSbMenu(void)
{
  textattr(0x3f);
  gotoxy(2, 1+Smm[Mm]);
  cputs(Sub[Mm][Smm[Mm]]);
  if (Key == UPPER) Smm[Mm] = Smm[Mm] == 0 ? SbNum[Mm]-1 : Smm[Mm]-1;
  if (Key == DOWN)  Smm[Mm] = Smm[Mm] == SbNum[Mm]-1 ? 0 : Smm[Mm]+1;
  textattr(0x1e);
  gotoxy(2, Smm[Mm]+1);
  cputs(Sub[Mm][Smm[Mm]]);
}

int GetKey(void)
{
   int Ch, Low, Hig;
   Ch = bioskey(0);
   Low = Ch & 0x00ff;
   Hig = (Ch & 0xff00) >> 8;
   return (Low == 0 ? Hig+256 : Low);
}

void SbFunGo(void)      /* 根据键选执行相应的功能 */
{
   switch(Mm)
   {
      case 0:
	 switch(Smm[0])
	 {
	      case 0:     break;
	      case 1:     break;
	      case 2:     break;
	      case 3:     break;
	      case 4:     break;
	      case 5:     break;
	      case 6:     break;
	 } break;
      case 1:
	 switch(Smm[1])
	 {
	      case 0:     break;
	      case 1:     break;
	      case 2:     break;
	      case 3:     break;
	      case 4:     break;
	      case 5:     break;
	 } break;
      case 2:
	 switch(Smm[2])
	 {
              case 0:    break;
	      case 1:    break;
	      case 2:    break;
	      case 3:    break;
	 } break;
      case 3:
	 switch(Smm[3])
	 {
	      case 0:    break;
	      case 1:    break;
	      case 2:    break;
	 } break;
    }
}

void Screen(void)
{
   window(1, 1, 80, 25);
   textattr(0x17);
   clrscr();
   window(1, 1, 80, 1);
   textattr(0x3e);
   clrscr();
   window(1, 24, 80, 24);
   textattr(0x74);
   clrscr();
   cputs("      \x18  ");     /* ↑键 */
   cputs("\x19  ");           /* ↓键 */
   cputs("\x1a  ");           /* →键 */
   cputs("\x1b  ");           /* ←键 */
   textattr(0x7e);   cputs("and  ");
   textattr(0x74);   cputs("Enter  ");
   textattr(0x7e);   cputs("to select menu.  ");
   textattr(0x74);   cputs(" Alt_X  ");
   textattr(0x7e);   cputs(" or  ");
   textattr(0x74);   cputs(" ESC  ");
   textattr(0x7e);   cputs(" to quit");
   window(1, 25, 80, 25);
   textattr(0x6A);
   clrscr();
   cputs(" BEIJING AGRICLUTURAL ENGINEERING UNIVERSITY & SHAN DONG COLLGE OF ENGINEERING");
   Wind(1, 2, 80, 23, 2, 0, 1, 15, 1);
   window(1, 1, 80, 25);
}

/* 字符窗口函数:
   x1, y1: 窗口左上角坐标;
   x2, y2: 窗口右下角坐标;
   FrmTp:  窗口边框类型: 0--无边框; 1--单线边框; 2--双线边框;
   IsBk:   是否带阴影背景;
   BCl:    字符颜色;
   TCl:    背景颜色;
   BgCl:   阴影背景的颜色.
*/
void Wind(int x1,int y1,int x2,int y2,int FrmTp,int IsBk,int BCl,int TCl,\
	  int BgCl)
{
   int i;
   int c[2][6]={{0xda, 0xc4, 0xbf, 0xb3, 0xc0, 0xd9},    /* 单线字符 */
		{0xc9, 0xcd, 0xbb, 0xba, 0xc8, 0xbc}};   /* 双线字符 */
   textcolor(TCl);
   textbackground(BCl);
   window(x1, y1, x2, y2);
   clrscr();
   if (FrmTp)                  /* 有边框线 */
   {
      window(1, 1, 80, 25);
      gotoxy(x1, y1);
      putch(c[FrmTp-1][0]);
      for (i = x1+1; i < x2; i++)
	 putch(c[FrmTp-1][1]);
      putch(c[FrmTp-1][2]);
      for (i = y1+1; i < y2; i++)
      {
	 gotoxy(x1, i);
	 putch(c[FrmTp-1][3]);
	 gotoxy(x2, i);
	 putch(c[FrmTp-1][3]);
      }
      gotoxy(x1, y2);
      putch(c[FrmTp-1][4]);
      for (i = x1+1; i < x2; i++)
	 putch(c[FrmTp-1][1]);
      putch(c[FrmTp-1][5]);
   }
   if (IsBk)              /* 有阴影背景 */
   {
      textcolor(BgCl);
      textbackground(0);
      for (i = y1+1; i < y2+1; i++)
      {
	 gotoxy(x2+1, i);
	 putch('\xb1');
      }
      for (i = x1+1; i < x2+2; i++)
      {
	 gotoxy(i, y2+1);
	 putch('\xb1');
      }
   }
   window(x1+1, y1+1, x2-1, y2-1);
}

void Quit(void)
{
   textbackground(0);
   textcolor(7);
   window(1, 1, 80, 25);
   clrscr();
   exit(0);
}