编写的下菜单程序1

#include   <graphics.h>   
  #include   <stdio.h>   
  #include   <stdlib.h>   
  #include   <bios.h>   
    
  #define   MenuNum   3   
  #define   FALSE   0   
  #define   TRUE   1   
  #define   START   1   
  #define   LEFTSHIFT   2   
  #define   RIGHTSHIFT   3   
  #define   ENTER   4   
  #define   EXIT   5   
  #define   UP   6   
  #define   DOWN   7   
    
  typedef   struct{                             /*菜单的数据结构*/   
          int   menuID;   
          char   MenuName[8];   
          int   itemCount;   
          char   itemName[4][8];   
  }menu;   
    
  void   *saveImage;               /*保存菜单覆盖的区域*/   
    
  int   mHeight,mWidth;                     /*窗口高,宽*/   
  int   mutex=0;   
    
  menu   MainMenu[]={{0,"Menu0",4,{"Open","New","Save","Exit"}},   
                    {1,"Menu1",2,{"Copy","Paste"}},   

                    {2,"Menu2",2,{"Find","Instead"}}};   
    
    
  void   showItems(int   NewID)                                   /*显示*/   
  {   
          int   LL,TT,j;   
          LL=mWidth*NewID+50;   
          TT=70;   
          saveImage=malloc(imagesize(LL,70,LL+mWidth,70+25*(MainMenu[NewID].itemCount)));   
          getimage(LL,70,LL+mWidth,70+25*(MainMenu[NewID].itemCount),saveImage);   
          setfillstyle(SOLID_FILL,3);   
          settextstyle(1,HORIZ_DIR,1);   
          bar(LL,70,LL+mWidth-80,70+25*(MainMenu[NewID].itemCount));   
          setcolor(RED);   
          rectangle(LL+5,70,LL+mWidth-85,65+25*(MainMenu[NewID].itemCount));   
          outtextxy(LL+15,TT,(MainMenu[NewID].itemName[0]));   
          setcolor(BLACK);   
          outtextxy(LL+12,50,(MainMenu[NewID].MenuName));   
          for(j=1;j<(MainMenu[NewID].itemCount);j=j+1)   
          {   
          TT=TT+25;   
          outtextxy(LL+15,TT,MainMenu[NewID].itemName[j]);   
          }   
  }   
  void   init()   
  {   
      int   gd   =   DETECT,   gm   =   0;   
      registerbgidriver(0);   
      initgraph(&gd,   &gm,   "");   
  }