windows api 按键响应机制

yuxb57905 发表于 2020-11-25 09:54

本帖最后由 yuxb57905 于 2020-11-26 01:15 编辑

#include <windows.h>
#pragma comment(lib, "winmm.lib")

WPARAM mymessage(HWND hwnd);
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
               PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("HelloWin") ;
HWND hwnd ;
MSG msg ;

WNDCLASS wndclass ;
wndclass.style    = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc= WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon    = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor    = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground= (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName= NULL ;
wndclass.lpszClassName = szAppName ;

if (!RegisterClass (&wndclass))
{
         MessageBox (NULL, TEXT ("This program requires Windows NT!"),
                              szAppName, MB_OK) ;

         return 0 ;
}
hwnd = CreateWindow( szAppName,    // window class name
               TEXT ("The Hello Program"), // window caption
               WS_OVERLAPPEDWINDOW,// window style
               CW_USEDEFAULT,// initial x position
               CW_USEDEFAULT,// initial y position
               CW_USEDEFAULT,// initial x size
               CW_USEDEFAULT,// initial y size
               NULL,             // parent window handle
               NULL,          // window menu handle
               hInstance, // program instance handle
               NULL) ;    // creation parameters

ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
      TranslateMessage (&msg) ;
      DispatchMessage (&msg) ;
}

return msg.wParam ;
}

LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
/* static*/ WPARAM    hmsg;
HDC       hdc ;
PAINTSTRUCT ps ;
RECT    rect ;
switch (message)
{
case WM_LBUTTONDOWN:

MessageBox (NULL, TEXT ("一级左键!"),
                     TEXT ("This program !"), MB_OK) ;
//SendMessage(hwnd,WM_RBUTTONDOWN,0,0);
return 0 ;
// switch(hmsg.message)
//{
case WM_KEYDOWN:
hmsg = mymessage(hwnd);
MessageBox (NULL, TEXT ("This program 二级键UP!"),
TEXT ("This program !"), MB_ICONERROR) ;
                  switch(hmsg)
{
   case VK_HOME:
   MessageBox (NULL, TEXT ("This is home键!"),
                     TEXT ("This program !"), MB_ICONERROR) ;
   break ;
case VK_NUMLOCK:
   MessageBox (NULL, TEXT ("This is NUMLOCK键!"),
TEXT ("This program !"), MB_ICONERROR) ;
      break ;
}

            return 0 ;


case WM_RBUTTONDOWN:
MessageBox (NULL, TEXT ("This program RRRRRR!"),
            TEXT ("This program !"), MB_ICONERROR) ;
SendMessage(hwnd,WM_KEYDOWN,0,0);
SendMessage(hwnd,WM_CHAR,VK_HOME,0);

SendMessage(hwnd,WM_KEYUP,0,0);
   return 0 ;

case WM_CREATE:
//PlaySound (TEXT ("hellowin.wav"), NULL, SND_FILENAME | SND_ASYNC) ;

return 0 ;

caseWM_PAINT:
   hdc = BeginPaint (hwnd, &ps) ;
   GetClientRect (hwnd, &rect) ;
   DrawText (hdc, TEXT ("Hello, Windows 98!"), -1, &rect,
   DT_SINGLELINE | DT_CENTER | DT_VCENTER) ;
   EndPaint (hwnd, &ps) ;
return 0 ;

case WM_DESTROY:
   PostQuitMessage (0) ;
return 0 ;
}

return DefWindowProc (hwnd, message, wParam, lParam) ;
}

WPARAM mymessage(HWND hwnd)
{
MSG mymsg;
mymsg.wParam =0;

while(GetMessage (&mymsg, NULL, 0, 0)/*mymsg.wParam<VK_BACK||mymsg.wParam>VK_SCROLL*/)
{

   TranslateMessage (&mymsg) ;
   if (mymsg.message == WM_KEYUP)
   {
      return (mymsg.wParam);
break;
   }
   else
      DispatchMessage (&mymsg) ;
}

return 0;
}

qihang5518 发表于 2020-11-25 10:23

虽然看不懂，依然感谢分享

鸭子咯咯哒~ 发表于 2020-11-25 11:07

请问怎么创建控件(编辑框还有滚动条那些?)

mettle 发表于 2020-11-25 18:06

谢谢分享，学习一下控件机制！

页: [1]

吾爱破解 - 52pojie.cn's Archiver

windows api 按键响应机制