实现Windows应用程序对键盘与鼠标的响应
源文件代码：
//windows.h文件中包含应用程序中所需的数据类型和数据结构的定义
#include"windows.h"
#include"实验二.h"
HMENU hmenu,haddmenu;
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);//窗口函数说明
//---------以下初始化窗口类--------
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInst,LPSTR lpszCmdLine,int nCmdShow)
{
HWND hwnd;
MSG Msg;
HACCEL hAccel;
WNDCLASS wndclass;
char lpszMenuName[]="Menu";
char lpszClassName[]="菜单"; //窗口类名
char lpszTitle[]="E07620203 苏郑"; //窗口标题名-
//窗口类的定义
wndclass.style=0; //窗口类型为默认类型
wndclass.lpfnWndProc=WndProc; //窗口处理函数为WndProc
wndclass.cbClsExtra=0; //窗口类无扩展
wndclass.cbWndExtra=0; //窗口实例无扩展
wndclass.hInstance=hInstance; //当前实例句柄
wndclass.hIcon=LoadIcon(hInstance,"Icon"); //窗口的最小化图标为默认图标
wndclass.hCursor=LoadCursor(hInstance,"Cursor"); //窗口采用箭头光标
wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
//窗口背景为白色
wndclass.lpszMenuName=lpszMenuName; //窗口中无菜单
wndclass.lpszClassName=lpszClassName; //窗口类名为“窗口示例”
//-----------以下进行窗口类的注册---------------
if(!RegisterClass(&wndclass)) //如果注册失败则发出警告声音
{
MessageBeep(0);
return FALSE;
}
//创建窗口
hwnd=CreateWindow(
lpszClassName, //窗口类名
lpszTitle, //窗口实例的标题名
WS_OVERLAPPEDWINDOW, //窗口风格
CW_USEDEFAULT,
CW_USEDEFAULT, //窗口左上角坐标为默认值
CW_USEDEFAULT,
CW_USEDEFAULT, //窗口的高和宽为默认值
NULL, //此窗口无父窗口
NULL, //次窗口无主菜单
hInstance, //创建此窗口应用程序的当前句柄
NULL //不使用该值
);
ShowWindow(hwnd,nCmdShow); //显示窗口
UpdateWindow(hwnd); //绘制用户区
hAccel=LoadAccelerators(hInstance,lpszMenuName);//加载加速键资源
while(GetMessage(&Msg,NULL,0,0)) //消息循环
{
if(!TranslateAccelerator(hwnd,hAccel,&Msg))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
}
return Msg.wParam;
}
//窗口函数
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
static bool draw = false;
static bool pingjunzhiadd = true;
static bool left = true;
HDC hdc;
PAINTSTRUCT ps;
HPEN hp;
HBRUSH hb;
//RECT rect;
// int i;
switch(message)
{
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDM_EXIT:
SendMessage(hwnd,WM_DESTROY,0,0);
break;
case IDM_fangchamodify:
ModifyMenu(hmenu,IDM_fangcha,MF_BYCOMMAND,IDM_nihe,"线性拟合");
DrawMenuBar(hwnd);
break;
case IDM_pingjunzhiadd:
if(pingjunzhiadd)
{
InsertMenu(hmenu,IDM_junfanggen,MF_BYCOMMAND|MF_ENABLED,IDM_pingjunzhi,"平均值");
DrawMenuBar(hwnd);
}
pingjunzhiadd = false;
break;
case IDM_DRAW:
hmenu = GetMenu(hwnd);
draw = true;
break;
}
break;
case WM_LBUTTONDOWN:
if(left)
{
hmenu=GetMenu(hwnd);
haddmenu=CreateMenu();
AppendMenu(haddmenu,MF_GRAYED,IDM_zonghedelete,"删除计算总和");
AppendMenu(haddmenu,MF_GRAYED,IDM_fangchamodify,"修改计算方差");
AppendMenu(haddmenu,MF_GRAYED,IDM_pingjunzhiadd,"添加计算平均值");
InsertMenu(hmenu,2,MF_POPUP|MF_BYPOSITION,(UINT)haddmenu,"增加(&C)");
DrawMenuBar(hwnd);
}
left = false;
break;
case WM_RBUTTONDOWN:
EnableMenuItem(haddmenu,IDM_zonghedelete,MF_ENABLED);
EnableMenuItem(haddmenu,IDM_fangchamodify,MF_ENABLED);
EnableMenuItem(haddmenu,IDM_pingjunzhiadd,MF_ENABLED);
DrawMenuBar(hwnd);
break;
case WM_PAINT:
if(draw)
{
hdc = BeginPaint (hwnd, &ps);
SetMapMode(hdc,MM_TEXT);
Rectangle(hdc,130,60,270,200);
hb=CreateHatchBrush(HS_CROSS,RGB(255,0,0));
SelectObject(hdc,hb);
Ellipse(hdc,130,70,270,190);
hp=CreatePen(PS_DASHDOT,1,RGB(0,255,0));
SelectObject(hdc,hp);
MoveToEx(hdc,100,130,NULL);
LineTo(hdc,300,130);
MoveToEx(hdc,200,30,NULL);
LineTo(hdc,200,230);
EndPaint(hwnd,&ps);
DeleteObject(hp);
DeleteObject(hb);
}
break;
case WM_DESTROY:
PostQuitMessage(0); //调用PostQuitMessage发出WM_QUIT消息
break;
default: //默认时采取系统消息默认处理函数
return DefWindowProc(hwnd,message,wParam,lParam);
}
return 0;
}
头文件代码：
#define IDM_ADDMENU 14
#define IDM_DELMENU 16
#define IDM_OPEN 11
#define IDM_SAVE 13
#define IDM_DRAW 12
#define IDM_EXIT 15
#define IDM_zonghe 18
#define IDM_fangcha 19
#define IDM_junfanggen 21
#define IDM_zonghehelp 22
#define IDM_fangchahelp 23
#define IDM_junfanggenhelp 24
#define IDM_ABOUT 20
#define IDM_zonghedelete 30
#define IDM_fangchamodify 31
#define IDM_pingjunzhiadd 32
#define IDM_nihe 33
#define IDM_pingjunzhi 34
资源文件代码：
#include"windows.h"
#include"实验二.h"
Menu MENU DISCARDABLE
{
POPUP"文件(&F)"
{
MENUITEM"打开(&O)/tCtrl+O", IDM_OPEN
MENUITEM"保存(&S)/tCtrl+S", IDM_SAVE
MENUITEM"画图(&D)", IDM_DRAW
MENUITEM"退出(&X)", IDM_EXIT
}
POPUP"计算(&C)"
{
MENUITEM"总和", IDM_zonghe
MENUITEM"方差", IDM_fangcha
MENUITEM"均方根", IDM_junfanggen
}
POPUP"帮助(&H)"
{
MENUITEM"计算总和的帮助", IDM_zonghehelp
MENUITEM"计算方差的帮助", IDM_fangchahelp
MENUITEM"计算均方根的帮助", IDM_junfanggenhelp
MENUITEM SEPARATOR
MENUITEM"关于(&A)", IDM_ABOUT
}
}
Cursor CURSOR G:/2009年学习/vc++/实验二/Cursor.cur
Icon ICON G:/2009年学习/vc++/实验二/Icon.ico