#include <conio.h>#include<dos.h>#include <graphics.h>#include<stdio.h>#include<stdlib.h>
/*定义一些常数*/#define NO 0#define YES 1#define NONE -1#define MAX_MENU 7/*根据情况改变可以在菜单显示的最大项*/
/*全局参数*/int X,Y;int Selection;int button,x,y;void *p;size_t area;
/*菜单结构*/struct MENU{/*左上角*/int x; int y;/*右下角*/int x1;int y1;unsigned char Active[MAX_MENU];/* 菜单项是否激活的标志*/char *head;/* 菜单的名字（可选项）*/};
int MouseOn(struct MENU *t);void Process();void Xorbar(int sx,int sy,int ex,int ey,int c);void Show();void Hide();void Status();
/* 通过下面的参数用户可以改变按钮的位置。*/
struct MENU File={200,110,250,130};struct MENU Edit={295,110,345,130};struct MENU Help={390,110,440,130};struct MENU Close={600,10,620,30};struct MENU Neeraj={380,300,460,315};
void main(){ int gd = DETECT,gm; /*初始化图形界面*/ initgraph(&gd, &gm,””); Selection=NONE; /*是否激活菜单项，YES表示激活；NO表示取消激活*/ for(gd=0;gd<MAX_MENU;gd++) { File.Active[gd]=YES; Edit.Active[gd]=YES; Help.Active[gd]=YES; Close.Active[gd]=YES; } /*菜单项的名字，用户可以修改以显示其他的名称*/ File.head=”[ File Menu ]”; Edit.head=”[ Edit Menu ]”; Help.head=”[ Help Menu ]”; Close.head=”[ Exit ]”; /*为界面分配内存*/ area=p_w_picpathsize(0,0,150,150); p=malloc(area); /*没有足够的内存*/ if(p==NULL) { closegraph(); restorecrtmode(); printf(“Not Enough Memory !\n try to reduce the area used.\n”); exit(1); } setfillstyle(1,7); bar(0,0,640,480); X=2;Y=2; /*绘制这个界面*/ Process(); End(); /*关闭图形显示方式*/ closegraph(); printf(“GUI-MENUS By Neeraj Sharma – [email]n21@[/email]\n”); getch();}
void Process(){ /*文件菜单项的子菜单项*/ char *fm[]={“New”,”Open”,”Save”,”Save as”,”Exit”}; /*编辑菜单项的子菜单项*/ char *em[]={“Undo”,”Cut”,”Copy”,”Paste”,”Delete”,”Select All”}; /*帮助菜单项的子菜单项*/ char *hm[]={“Help Topics”,”About Menus”}; /* 如果用户在这里改变的了菜单项的值，那么也同样需要改变在函数 中的PullMenuDown(char *,int)值*/ char KEY; /* 绘制各个菜单 */ Win(140,100,500,140); /* 绘制文件菜单项 */ DrawBtn(&File,”File”); /* 绘制编辑菜单项 */ DrawBtn(&Edit,”Edit”); /* 绘制帮助菜单项*/ DrawBtn(&Help,”Help”); settextstyle(0,0,0); outtextxy(Close.x+7,Close.y+7,”x”); Comments(); Show(); /* 正如下面所示用户可以激活和取消激活一个菜单项 下面的’save as’被取消激活*/ File.Active[3]=NO;/* Save as*/ Edit.Active[0]=NO;/* 取消激活*/ while(1) { if(kbhit()) { KEY=getch(); /*如果用户按下”ESC”或者”-“推出程序*/ if(KEY==27|| KEY==45) break; } Status(); /*如果按下鼠标左键*/ if(button==1) { /*用户点击Close*/ if(MouseOn(&Close)) break; /*用户点击File*/ if(MouseOn(&File)) {PullMenuDown(fm,5,&File);/* 菜单项为5*/if(Selection==NONE) Msg(“No Selection !”);else Msg(fm[Selection]);if(Selection==4) break; } /*用户点击Edit*/ if(MouseOn(&Edit)) {PullMenuDown(em,6,&Edit);/* 菜单项为6*/if(Selection==NONE) Msg(“No Selection !”);else Msg(em[Selection]); } /*用户点击Help*/ if(MouseOn(&Help)) {PullMenuDown(hm,2,&Help);/* 菜单项为2*/if(Selection==NONE) Msg(“No Selection !”);else Msg(hm[Selection]);if(Selection==1) Msg(“* Programming By NEERAJ SHARMA *”); } } else { /*鼠标在那个菜单项上，就高亮显示之*//*高亮显示文件菜单项*/ if(MouseOn(&File)) Hlight(&File); /*高亮显示编辑菜单项*/ if(MouseOn(&Edit)) Hlight(&Edit); /*高亮显示帮助菜单项*/ if(MouseOn(&Help)) Hlight(&Help); /*高亮显示关闭菜单项*/ if(MouseOn(&Close)) Hlight(&Close); if(MouseOn(&Neeraj)) { Msg(“Hello, everyone”); while(MouseOn(&Neeraj)) {Status();if(button!=0) break;if(kbhit()) break;}Msg(“”); } } } Msg(“:: Bye Bye ::”);}
/* 绘制菜单项 */DrawBtn(struct MENU *tm,char *txt){ /*设置绘制的颜色*/ setcolor(0); /*设置文本格式*/ settextstyle(2,0,4); /*输出txt文本*/ outtextxy(tm->x+15,tm->y+4,txt);}/*高亮显示函数*/Hlight(struct MENU *t){/* 高亮 */ winp(t,0);/* 显示菜单项名称 */ Msg(t->head); /*在没有输入的情况下，一直高亮*/ while(MouseOn(t)) { Status(); if(button!=0) break; if(kbhit()) break; } /*消除高亮*/ setcolor(7); Hide(); rectangle(t->x,t->y,t->x1,t->y1); Msg(“”); /*重绘*/ Show();}
int MouseOn(struct MENU *t){ int flag; flag=0; if(x>=t->x && x<=t->x1 && y>=t->y && y<=t->y1) flag=1; return flag;}
void Xorbar(int sx,int sy,int ex,int ey,int c){ int i; setwritemode(1); setcolor(c); Hide(); for(i=sy;i<=ey;i++) line(sx,i,ex,i); Show(); setwritemode(0);}
Push(struct MENU *tm){ winp(tm,1); while(button==1) { Status(); if(kbhit()) break; }}
Up(struct MENU *tm){ setcolor(7); Hide(); rectangle(tm->x,tm->y,tm->x1,tm->y1); Show(); while(button==1) { Status(); if(kbhit()) break; }}
/*弹出下拉菜单*/PullMenuDown(char *H[],int n,struct MENU *tm){ int i; i=n*20; /* 保存背景*/ Push(tm); /* 隐藏鼠标光标*/ Hide(); /* 把菜单项位图读入内存，以供收回弹出项时重新绘制*/ getp_w_picpath(tm->x+1,tm->y1+2,tm->x+100,tm->y1+i+5,p); /* 重新设置这块区域*/ Win(tm->x+1,tm->y1+2,tm->x+100,tm->y1+i+5); setcolor(0); settextstyle(2,0,4); /*弹出下拉菜单项*/ for(i=0;i<n;i++) { if(!tm->Active[i]) { setcolor(15); outtextxy(tm->x+15,tm->y1+9+i*20,H[i]); setcolor(0); outtextxy(tm->x+14,tm->y1+8+i*20,H[i]); } else outtextxy(tm->x+14,tm->y1+8+i*20,H[i]); } /*显示鼠标光标*/ Show(); while(button==1) Status(); HandleMenu(n,tm);}
PullMenuUp(int n,struct MENU *tm){ int i; /*隐藏鼠标光标*/ Hide(); /* 把读入内容的原菜单项位图重新绘制出来*/ putp_w_picpath(tm->x+1,tm->y1+2,p,COPY_PUT); /*显示鼠标光标*/ Show(); Up(tm);}/* 处理菜单项命令函数 */HandleMenu(int n,struct MENU *tm){ int i; char Key; setcolor(0); Selection=NONE; i=0; while(1) { Status(); if(button==1) break; for(i=0;i<n;i++) { Status(); if(MouseOn1(tm->x+4,tm->y1+6+i*20,tm->x+97,tm->y1+22+i*20)) { Xorbar(tm->x+3,tm->y1+6+i*20,tm->x+97,tm->y1+22+i*20,14); while(MouseOn1(tm->x+4,tm->y1+6+i*20,tm->x+97,tm->y1+22+i*20)) { Status(); if(button==1) {if(tm->Active[i]==YES){Selection=i;break;}elseSelection=NONE; } if(kbhit()) break; } Xorbar(tm->x+3,tm->y1+6+i*20,tm->x+97,tm->y1+22+i*20,14); } } } PullMenuUp(n,tm);}
MouseOn1(int cx,int cy,int cx1,int cy1){ int flag; flag=0; if(x>=cx && x<=cx1 && y>=cy && y<=cy1) flag=1; return flag;}
/* Mouse & win routines */
union REGS i,o;struct SREGS ss;
/* 显示鼠标光标函数 */void Show(){ i.x.ax=1; int86(0x33,&i,&o);}
/* 隐藏鼠标光标函数*/void Hide(){ i.x.ax=2; int86(0x33,&i,&o);}
/* 获得鼠标状态函数 */void Status(){ i.x.ax=3; int86(0x33,&i,&o); button=o.x.bx; x=o.x.cx; y=o.x.dx;}/*绘制菜单项的背景和边框*/winp(struct MENU *t,int state){ Hide(); /*非高亮模式*/ if(state==1) { /*两条暗边框线*/ setcolor(0); line(t->x,t->y,t->x,t->y1); line(t->x,t->y,t->x1,t->y); /*两条亮边框线*/ setcolor(15); line(t->x1,t->y,t->x1,t->y1); line(t->x,t->y1,t->x1,t->y1); } /*高亮模式*/ else { /*两条亮边框线*/ setcolor(15); line(t->x,t->y,t->x,t->y1); line(t->x,t->y,t->x1,t->y); /*两条暗边框线*/ setcolor(0); line(t->x1,t->y,t->x1,t->y1); line(t->x,t->y1,t->x1,t->y1); } Show();}/*绘制一个矩形区域*/Win(int sx,int sy,int ex,int ey){ Hide(); /*设置填充的颜色*/ setfillstyle(1,7); /*绘制一个区域*/ bar(sx,sy,ex,ey); /*两条亮边框线*/ setcolor(15); line(sx,sy,sx,ey); line(sx,sy,ex,sy); /*两条暗边框线*/ setcolor(0); line(ex,sy,ex,ey); line(sx,ey,ex,ey); Show();}
Msg(char *m){ int l; setcolor(14); rectangle(18,438,622,477); setfillstyle(1,0); bar(20,440,620,475); if(MouseOn(&Neeraj)) { settextstyle(2,0,7); setcolor(11); l=textwidth(m)/2; outtextxy(320-l,440,m); } else { settextstyle(2,0,8); setcolor(15); l=textwidth(m)/2; outtextxy(320-l,440,m); outtextxy(321-l,441,m); }}
Comments(){ setfillstyle(1,0); bar(140,5,500,40); setcolor(14); rectangle(140,5,500,40); settextstyle(2,0,8); setcolor(15); outtextxy(260,10,”GUI-MENUS”); setfillstyle(1,8); bar(140,150,502,402); setcolor(14); rectangle(138,148,502,402); Msg(“Welcome !”); settextstyle(2,0,5); setcolor(10); outtextxy(158,180,”Hello Friends !”); settextstyle(2,0,4); outtextxy(260,200,”Here i am with my menu program.”); outtextxy(158,220,”As you can see it’s like windows menu,you can”); outtextxy(158,240,”add more menus to it. It’s just a concept for”); outtextxy(158,260,”building more menus. I hope you will like my effort,”); outtextxy(158,280,”email me at :[email]n21@[/email]”); setcolor(14); outtextxy(370,300,”- Neeraj Sharma”); line(380,304+textheight(“A”),380+textwidth(“Neeraj Sharma”),304+textheight(“A”));}
End(){ int i,j; setcolor(0); Hide(); for(j=0;j<40;j++) { for(i=0;i<481;i+=20) line(0,0+i+j,640,j+0+i); delay(100); if(kbhit()) if(getch()==27) break; } settextstyle(2,0,5); setcolor(15); outtextxy(220,180,”Thanks for being with us !”); Show(); delay(3000);}
