//關於raw input 請查看msdn https://msdn.microsoft.com/en-us/library/windows/desktop/ms645536%28v=vs.85%29.aspx
//效率 比 鍵盤鉤子高太多 ,可是BCB 中沒法識別 RAWINPUTDEVICE 結構 和RAW相關的函數
// rawinput4.cpp : 定義應用程序的入口點。
//
#include "stdafx.h"
#include "rawinput4.h"
#include <set>
#include <string>
#include <algorithm>
using namespace std;
#define MAX_LOADSTRING 100
// 全局變量:
HINSTANCE hInst; // 當前實例
TCHAR szTitle[MAX_LOADSTRING]; // 標題欄文本
TCHAR szWindowClass[MAX_LOADSTRING]; // 主窗口類名
set<DWORD> keys;
//避免按住不放不停的響應keydown
bool IsInKeys(DWORD key)
{
set<DWORD>::iterator itor =
find(keys.begin(),keys.end(),key);
bool result = false;
if (itor == keys.end())
{
keys.insert(key);
result = false;
}
else
{
result = true;
}
return result;
}
//鬆開的時候,將key從set中移除
void erasekey(DWORD key)
{
keys.erase(key);
}
// 此代碼模塊中包含的函數的前向聲明:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
void RegKeyboardRawInput(HWND hwnd)
{
RAWINPUTDEVICE Rid[1];
Rid[0].usUsagePage = 0x01;
Rid[0].usUsage = 0x06;
Rid[0].dwFlags = RIDEV_INPUTSINK;//RIDEV_NOLEGACY; // adds HID keyboard and also ignores legacy keyboard messages
Rid[0].hwndTarget = hwnd;
if (RegisterRawInputDevices(Rid, 1, sizeof(Rid[0])) == FALSE) {
MessageBox(NULL,L"註冊raw input 失敗!",L"註冊 raw input",MB_OK+MB_ICONINFORMATION);
}
}
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
MSG msg;
HACCEL hAccelTable;
// 初始化全局字符串
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_RAWINPUT4, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// 執行應用程序初始化:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_RAWINPUT4));
// 主消息循環:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
//
// 函數: MyRegisterClass()
//
// 目的: 註冊窗口類。
//
// 註釋:
//
// 僅當但願
// 此代碼與添加到 Windows 95 中的「RegisterClassEx」
// 函數以前的 Win32 系統兼容時,才須要此函數及其用法。調用此函數十分重要,
// 這樣應用程序就能夠得到關聯的
// 「格式正確的」小圖標。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_RAWINPUT4));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCE(IDC_RAWINPUT4);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassEx(&wcex);
}
//
// 函數: InitInstance(HINSTANCE, int)
//
// 目的: 保存實例句柄並建立主窗口
//
// 註釋:
//
// 在此函數中,咱們在全局變量中保存實例句柄並
// 建立和顯示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // 將實例句柄存儲在全局變量中
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
RegKeyboardRawInput(hWnd);
return TRUE;
}
//
// 函數: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// 目的: 處理主窗口的消息。
//
// WM_COMMAND - 處理應用程序菜單
// WM_PAINT - 繪製主窗口
// WM_DESTROY - 發送退出消息並返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// 分析菜單選擇:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: 在此添加任意繪圖代碼...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_INPUT:
{
UINT dwSize;
GetRawInputData((HRAWINPUT)lParam, RID_INPUT, NULL, &dwSize,
sizeof(RAWINPUTHEADER));
LPBYTE lpb = new BYTE[dwSize];
if (lpb == NULL)
{
return 0;
}
if (GetRawInputData((HRAWINPUT)lParam, RID_INPUT, lpb, &dwSize,
sizeof(RAWINPUTHEADER)) != dwSize )
OutputDebugString (TEXT("GetRawInputData doesn't return correct size !\n"));
RAWINPUT* raw = (RAWINPUT*)lpb;
if (raw->header.dwType == RIM_TYPEKEYBOARD)
{
if ( raw->data.keyboard.Message == WM_KEYDOWN)
{
if (!IsInKeys(raw->data.keyboard.VKey))
{
char keytext[10] = {0};
BYTE state[256] = {0};
//經過虛擬鍵盤碼獲得名字
ToAscii(raw->data.keyboard.VKey,raw->data.keyboard.MakeCode,state,(LPWORD)keytext ,0);
char buf[10] = {0};
string s = "鍵盤按下 虛鍵碼:"+ string(keytext);
MessageBoxA(NULL,s.c_str(),"鍵盤",MB_OK);
}
}
if( raw->data.keyboard.Message == WM_KEYUP)
{
erasekey(raw->data.keyboard.VKey);
}
}
delete[] lpb;
return 0;
}
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// 「關於」框的消息處理程序。
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}