首先 pro:
LIBS +=User32.LIB
main.cpp:
#include "hooktest.h"
#include "ui_hooktest.h"
#include <QDebug>
LRESULT CALLBACK keyProc(int nCode, WPARAM wParam, LPARAM lParam);
HHOOK keyHook=NULL;
WPARAM lastkey=0;
QString lastStr;
int starthook();
HookTest::HookTest(QWidget *parent)
: QWidget(parent)
, ui(new Ui::HookTest)
{
ui->setupUi(this);
keyHook = SetWindowsHookEx(WH_KEYBOARD_LL, keyProc, GetModuleHandle(NULL), 0);
MSG msg = { 0 };
while (GetMessage(&msg, NULL, 0, 0)) { //WM_QUIT消息 退出
//将虚拟键消息转换为字符消息,虚拟键值 `
//VK_UP,VK_DOWN
TranslateMessage(&msg);
//将消息分发给窗口处理函数
DispatchMessage(&msg);
}
}
HookTest::~HookTest()
{
delete ui;
}
LRESULT CALLBACK keyProc(int nCode, WPARAM wParam, LPARAM lParam){
PKBDLLHOOKSTRUCT key = (PKBDLLHOOKSTRUCT)lParam;
qDebug()<<key->vkCode<<endl;
return CallNextHookEx(keyHook, nCode, wParam, lParam);
}