Qt+Hook实现全局鼠标背景色

最新推荐文章于 2024-03-01 11:04:28 发布

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最新推荐文章于 2024-03-01 11:04:28 发布 · 775 阅读

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CC 4.0 BY-SA版权

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#qt #windows #开发语言

本教程介绍如何使用Qt和Windows HOOK实现一个透明悬浮窗应用程序，该应用能够跟随鼠标移动并改变颜色反馈点击状态，同时利用系统托盘图标进行程序控制。

具体效果如上图：

实现方法：

1.使用windows HOOK，获取全局鼠标位置，通过信号传递给qwidget调整窗口位置

2.设置鼠标事件穿透，屏蔽窗口的点击事件

3.绘制半透明背景色

4.使用windows hook将鼠标的点击事件，通过qt信号槽函数传递给窗口，实时更换点击时背景色

5.不显示状态栏图标，使用小图标退出程序

1. hookutil.h

// MIT License

// Copyright (c) 2022 hooy

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#ifndef HOOKUTIL_H
#define HOOKUTIL_H

#ifdef _WIN32
#include <windows.h>
#endif

int startMouseHook();

bool stopMouseHook();

#endif // HOOKUTIL_H

2. hoolutil.cpp

// MIT License

// Copyright (c) 2022 hooy

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// A