在我的 .h 文件函数中,mouseProc 被声明为静态(必须是)
.h 文件
static LRESULT CALLBACK mouseProc(int Code, WPARAM wParam, LPARAM lParam);
最初我想我会添加 &ui 作为这个函数的参数,但我不能这样做。它给了我错误“与 HOOKPROC 不兼容的参数类型”
所以,现在我无法通过使用
ui->textbox->apped();
如何解决这个问题来访问我的 UI 中的文本框和标签?
---根据使ui静态的建议进行更新-------------
主窗口.h
#pragma once
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include "windows.h"
#include "windowsx.h"
QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE
class MainWindow : public QMainWindow
{
Q_OBJECT //Used to handle events
Q_DISABLE_COPY(MainWindow) //added
public:
MainWindow(QWidget* parent = 0);
~MainWindow(); //Destructor used to free resources
// Static method that will act as a callback-function
static LRESULT CALLBACK mouseProc(int Code, WPARAM wParam, LPARAM lParam);
// BOOL InitializeUIAutomation(IUIAutomation** automation);
static Ui::MainWindow* ui; // declared static,pointing to UI class
private:
// hook handler
HHOOK mouseHook;
};
#endif // MAINWINDOW_H
主窗口.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <Windows.h>
#include <UIAutomation.h>
using namespace std;
Ui::MainWindow* MainWindow::ui = 0;
MainWindow::MainWindow(QWidget* parent)
: QMainWindow(parent)
//, ui(new Ui::MainWindow)
{
ui = new Ui::MainWindow();
ui->setupUi(this);
HINSTANCE hInstance = GetModuleHandle(NULL);
// Set hook
mouseHook = SetWindowsHookEx(WH_MOUSE_LL, &mouseProc, hInstance, 0);
// Check hook is correctly
if (mouseHook == NULL)
{
qWarning() << "Mouse Hook failed";
}
}
BOOL InitializeUIAutomation(IUIAutomation** automation)
{
CoInitialize(NULL);
HRESULT hr = CoCreateInstance(__uuidof(CUIAutomation), NULL,
CLSCTX_INPROC_SERVER, __uuidof(IUIAutomation),
(void**)automation);
return (SUCCEEDED(hr));
}
MainWindow::~MainWindow()
{
delete ui;
}
LRESULT CALLBACK MainWindow::mouseProc(int Code, WPARAM wParam, LPARAM lParam)
{
ui->textbox->append(string);
}