curses.txt

SCO下面光标库,直接编译即可 SCO下面光标库,直接编译即可 SCO下面光标库,直接编译即可

#include <curses.h>
#include <stdlib.h>
#define ESC    27
#define ENTER  10

#define ITEM_NUM_1 3
#define ITEM_NUM_2 2
#define ITEM_NUM_3 3
#define ITEM_NUM_4 4

#define ITEM_NO_1  1
#define ITEM_NO_2  2
#define ITEM_NO_3  3
#define ITEM_NO_4  4

void init_curses(void);
void Draw_menuhead(WINDOW *menuhead);
WINDOW **Draw_menu(int start_cols,int itemNo);
int view_menu(WINDOW **items,/*int itemNum,*/int start_cols,int itemNo);
void Del_menu(WINDOW **items,int itemNum);
int item_num(int itemNo);

main()
{
   WINDOW *menuhead,*message;
   WINDOW **items;/*菜单项目指针，数组元素指向菜单项子项*/
   int Key;
   int count;/*菜单子项的数目*/
   int Re_item;/*菜单浏览返回值*/

   init_curses();

   wbkgd(stdscr,COLOR_PAIR(1));
   menuhead=subwin(stdscr,1,80,0,0);
   message=subwin(stdscr,1,79,23,1);

   Draw_menuhead(menuhead);/*绘制菜单头部*/
   move(2,1);
   printw("Please F1--F4 Select Menu...");
   move(3,1);
   printw("Please ESC Quit...");
   do {
      Key=getch();
      switch(Key) {
          case KEY_F(1):
               items=Draw_menu(3,ITEM_NO_1);/*第3列，第1菜单*/
               Re_item=view_menu(items,/*ITEM_NUM_1,*/3,ITEM_NO_1);
               touchwin(stdscr);
               refresh();
               break;
          case KEY_F(2):
               items=Draw_menu(23,ITEM_NO_2);/*第23列，第2菜单*/
               Re_item=view_menu(items,/*ITEM_NUM_2,*/23,ITEM_NO_2);
               touchwin(stdscr);
               refresh();
               break;

          case KEY_F(3):
               items=Draw_menu(43,ITEM_NO_3);/*第43列，第3菜单*/
               Re_item=view_menu(items,/*ITEM_NUM_3,*/43,ITEM_NO_3);
               touchwin(stdscr);
               refresh();
               break;
          case KEY_F(4):
               items=Draw_menu(63,ITEM_NO_4);/*第63列，第4菜单*/
               Re_item=view_menu(items,/*ITEM_NUM_4,*/63,ITEM_NO_4);
               touchwin(stdscr);
               refresh();
               break;
          default:  break;
      }
   } while(Key!=ESC);

   delwin(message);
   delwin(menuhead);
   endwin();
   exit(0);
}
    
void Draw_menuhead(WINDOW *menuhead)
{
  wbkgd(menuhead,COLOR_PAIR(2));
  wrefresh(menuhead);
  wmove(menuhead,0,0);
  waddstr(menuhead,"菜单1");
  wattron(menuhead,COLOR_PAIR(3));
  waddstr(menuhead,"(F1)");
  wattroff(menuhead,COLOR_PAIR(3));
  wmove(menuhead,0,20);
  waddstr(menuhead,"菜单2");
  wattron(menuhead,COLOR_PAIR(3));
  waddstr(menuhead,"(F2)");
  wattroff(menuhead,COLOR_PAIR(3));
  wmove(menuhead,0,40);
  waddstr(menuhead,"菜单3");
  wattron(menuhead,COLOR_PAIR(3));
  waddstr(menuhead,"F(3)");
  wattroff(menuhead,COLOR_PAIR(3));
  wmove(menuhead,0,60);
  waddstr(menuhead,"菜单4");
  wattron(menuhead,COLOR_PAIR(3));
  waddstr(menuhead,"F(4)");
  wattroff(menuhead,COLOR_PAIR(3));
}
  
void init_curses(void)
{
  initscr();
  noecho();
  keypad(stdscr,TRUE);
  /*intrflush(stdscr,FALSE);*/
  start_color(); /*初始化*/
  init_pair(1,COLOR_WHITE,COLOR_BLUE);
  init_pair(2,COLOR_BLUE,COLOR_WHITE);
  init_pair(3,COLOR_RED,COLOR_WHITE);

  curs_set(0);   /*设置光标不可见*/ 
}

WINDOW **Draw_menu(int start_cols,int itemNo)
{
  WINDOW **items;
 
  switch(itemNo) {
      case 1:
          items=(WINDOW **)malloc((ITEM_NUM_1+1)*sizeof(WINDOW *));
   
          items[0]=newwin(ITEM_NUM_1+2,19,1,start_cols);   
          wbkgd(items[0],COLOR_PAIR(2));
          box(items[0],ACS_VLINE,ACS_HLINE);
  
          items[1]=subwin(items[0],1,17,2,start_cols+1);
          wprintw(items[1],"子项A1");
          items[2]=subwin(items[0],1,17,3,start_cols+1);
          wprintw(items[2],"子项A2");
          items[3]=subwin(items[0],1,17,4,start_cols+1);
          wprintw(items[3],"子项A3");
  /*        items[4]=subwin(items[0],1,17,5,start_cols+1);
          wprintw(items[4],"子项A4");*/
          break;
     case 2:
          items=(WINDOW **)malloc((ITEM_NUM_2+1)*sizeof(WINDOW *));
   
          items[0]=newwin(ITEM_NUM_2+2,19,1,start_cols);   
          wbkgd(items[0],COLOR_PAIR(2));
          box(items[0],ACS_VLINE,ACS_HLINE);
  
          items[1]=subwin(items[0],1,17,2,start_cols+1);
          wprintw(items[1],"子项B1");
          items[2]=subwin(items[0],1,17,3,start_cols+1);
          wprintw(items[2],"子项B2");
       /*   items[3]=subwin(items[0],1,17,4,start_cols+1);
          wprintw(items[3],"子项B3");
          items[4]=subwin(items[0],1,17,5,start_cols+1);
          wprintw(items[4],"子项B4");*/
          break;
     case 3:
          items=(WINDOW **)malloc((ITEM_NUM_3+1)*sizeof(WINDOW *));
   
          items[0]=newwin(ITEM_NUM_3+2,19,1,start_cols);   
          wbkgd(items[0],COLOR_PAIR(2));
          box(items[0],ACS_VLINE,ACS_HLINE);
  
          items[1]=subwin(items[0],1,17,2,start_cols+1);
          wprintw(items[1],"子项C1");
          items[2]=subwin(items[0],1,17,3,start_cols+1);
          wprintw(items[2],"子项C2");
          items[3]=subwin(items[0],1,17,4,start_cols+1);
          wprintw(items[3],"子项C3");
 /*         items[4]=subwin(items[0],1,17,5,start_cols+1);
          wprintw(items[4],"子项C4");*/
          break;
    case 4: 
          items=(WINDOW **)malloc((ITEM_NUM_4+1)*sizeof(WINDOW *));
   
          items[0]=newwin(ITEM_NUM_4+2,19,1,start_cols);   
          wbkgd(items[0],COLOR_PAIR(2));
          box(items[0],ACS_VLINE,ACS_HLINE);
  
          items[1]=subwin(items[0],1,17,2,start_cols+1);
          wprintw(items[1],"子项D1");
          items[2]=subwin(items[0],1,17,3,start_cols+1);
          wprintw(items[2],"子项D2");
          items[3]=subwin(items[0],1,17,4,start_cols+1);
          wprintw(items[3],"子项D3");
          items[4]=subwin(items[0],1,17,5,start_cols+1);
          wprintw(items[4],"子项D4");
          break;
    default: break;
  }
  wbkgd(items[1],COLOR_PAIR(1));
  wrefresh(items[0]);
  return items;
}

view_menu(WINDOW **items,/*int itemNum,*/int start_cols,int itemNo)
{
  int select=0;/*适应求余算法，0--itemNum-1,对应1--itemNum*/
  int Key;
  int itemNum;

  itemNo=itemNo-1;/*适应求余算法，0--3对应1--4*/
  wrefresh(items[0]);
  A1:
  itemNum=item_num(itemNo+1);
  while(1) {
      Key=getch();
      if(Key==KEY_DOWN || Key==KEY_UP) {
           wbkgd(items[select+1],COLOR_PAIR(2));
           wnoutrefresh(items[select+1]);
           if (Key==KEY_DOWN)  
                 select=(select+1) % itemNum;
           else 
                 select=(select+itemNum-1) % itemNum;
           wbkgd(items[select+1],COLOR_PAIR(1));
           wnoutrefresh(items[select+1]);/*select+1为第几项目1/2/3../itemNum*/
           doupdate();
       }
      else {
           if (Key==KEY_LEFT || Key==KEY_RIGHT) {
              Del_menu(items,itemNum+1);
              touchwin(stdscr);
              refresh();
              if (Key==KEY_RIGHT) 
                 if (start_cols<63){
                    itemNo=(itemNo+1) % 4;      /*4:  一共4个菜单*/
                    start_cols=start_cols+20;   /*20:  菜单之间原点间隔数*/
                  }
                 else{
                    itemNo=0; 
                    start_cols=3;
                  }
               else
                 if (start_cols>3) {
                    itemNo=(itemNo+4-1) % 4;
                    start_cols=start_cols-20;
                  } 
                 else {
                    itemNo=3;
                    start_cols=63;
                  }
              
              items=Draw_menu(start_cols,itemNo+1);/*itemNo+1为菜单号1\2\3\4*/
              select=0;

              goto A1;
              /*return  view_menu(items,4,start_cols); */
           }
           if (Key==ESC)  return -1;
           else 
              if (Key==ENTER){ 
                 return 1;    /*   */
               }
        }
  }
}


void Del_menu(WINDOW **items,int itemNum)
{
    int i;

    for (i=0;i<itemNum;i++)
        delwin(items[i]);
    free(items);        
}


item_num(int itemNo)/*根据菜单号找出对应项目数*/
{
  switch(itemNo) {
      case 1:  return ITEM_NUM_1;
      case 2:  return ITEM_NUM_2;
      case 3:  return ITEM_NUM_3;
      case 4:  return ITEM_NUM_4;
  }
}