目录

一、鼠标自动隐藏显示

1、鼠标移动时，记录移到时的时间点，并显示鼠标

2、设置一个重复循环，每秒判断下

3、退出全屏时，结束是否隐藏任务判断

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想实现的功能和播放器类似，全屏时，鼠标悬停几秒后，自动隐藏起来。

一、鼠标自动隐藏显示

1、鼠标移动时，记录移到时的时间点，并显示鼠标

		else if (uMsg == WM_MOUSEMOVE){if (isFullScreen_){mouseKeepStillBeginTime_ = GetCurTimeStamp();ShowMyCursor();}}

 int64_t GetCurTimeStamp(){timeb time_now;ftime(&time_now); // 秒数int64_t cur_timestamp = time_now.time * 1000 + time_now.millitm; // 毫秒return cur_timestamp;}

2、设置一个重复循环，每秒判断下

根据当前的时间和之前移动时记录的时间，判断有无超过指定的秒数，来确定是否隐藏

			mouse_autoHide_timer_.Cancel();StdClosure task = [this]() {if (pExerciseForm&&IsWindowVisible(pExerciseForm->GetHWND())){ShowMyCursor();}else{int64_t now = GetCurTimeStamp();int64_t dis = now - mouseKeepStillBeginTime_;if (dis > 1000){HideMyCursor();}}};nbase::ThreadManager::PostRepeatedTask(kThreadUI, mouse_autoHide_timer_.ToWeakCallback(task), nbase::TimeDelta::FromMilliseconds(1000));

typedef std::function<void(void)> StdClosure;

3、退出全屏时，结束是否隐藏任务判断

			isFullScreen_ = false;		mouse_autoHide_timer_.Cancel();ShowMyCursor();

如果想了解如何控制的话，可以参考下面代码，我这里直接使用了这种方法

class BASE_EXPORT WeakCallbackFlag final : public SupportWeakCallback
{
public:void Cancel(){m_weakFlag.reset();}bool HasUsed(){return m_weakFlag.use_count() != 0;}
};

class BASE_EXPORT SupportWeakCallback
{
public:virtual ~SupportWeakCallback(){};template<typename CallbackType>auto ToWeakCallback(const CallbackType& closure)->WeakCallback<CallbackType>{return WeakCallback<CallbackType>(GetWeakFlag(), closure);}std::weak_ptr<WeakFlag> GetWeakFlag(){if (m_weakFlag.use_count() == 0) {m_weakFlag.reset((WeakFlag*)NULL);}return m_weakFlag;}private:template<typename ReturnValue, typename... Param, typename WeakFlag>static std::function<ReturnValue(Param...)> ConvertToWeakCallback(const std::function<ReturnValue(Param...)>& callback, std::weak_ptr<WeakFlag> expiredFlag){auto weakCallback = [expiredFlag, callback](Param... p) {if (!expiredFlag.expired()) {return callback(p...);}return ReturnValue();};return weakCallback;}protected:std::shared_ptr<WeakFlag> m_weakFlag;
};