How to set eye protection mode in golang
随着电脑的普及,人们每天都要面对屏幕,长时间盯着电脑不仅会对眼睛造成伤害,还容易导致身体不适。为了保护眼睛,许多软件都提供了护眼模式。而这次我们介绍的是如何通过golang设置护眼模式。
首先,我们需要了解一下什么是护眼模式。通常情况下,护眼模式主要通过减弱屏幕中的蓝光来减轻对眼睛的刺激。市面上的护眼软件一般都是通过调整屏幕色温或者屏幕亮度,达到减少蓝光的目的。
那么在golang中,我们该如何设置护眼模式呢?其实很简单,只需要调整窗口的背景色即可。在Windows平台上,我们可以利用winapi中的SetClassLong函数来设置窗口的背景色。
import ( "syscall" ) const ( GCL_HBRBACKGROUND = -10 COLOR_BACKGROUND = 1 COLOR_WINDOW = 5 ) func SetBackgroundColor(hwnd syscall.Handle, color uintptr) { syscall.SetClassLong(hwnd, GCL_HBRBACKGROUND, color) }
通过SetClassLong函数设置窗口的背景色,就可以实现简单的护眼模式了。我们可以将窗口背景色设为黄色、绿色等颜色,来减少蓝光的刺激。
import ( "syscall" ) const ( GCL_HBRBACKGROUND = -10 COLOR_BACKGROUND = 1 COLOR_WINDOW = 5 ) func SetBackgroundColor(hwnd syscall.Handle, color uintptr) { syscall.SetClassLong(hwnd, GCL_HBRBACKGROUND, color) } func main() { hwnd := syscall.GetConsoleWindow() SetBackgroundColor(hwnd, uintptr(COLOR_BACKGROUND)) }
以上代码演示了如何将控制台窗口的背景色设置为黑色,以达到护眼的目的。
同时,在Windows 10版本中,系统也提供了自带的护眼模式。我们可以通过读写注册表来开启或关闭系统自带的护眼模式。
import ( "syscall" "golang.org/x/sys/windows/registry" ) func SetSystemNightMode(enable bool) error { key, err := registry.OpenKey(registry.CURRENT_USER, `SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore`, registry.ALL_ACCESS) if err != nil { return err } const ( subkey = `$$windows.data.bluelightreduction.bluelightreductionstate\Current` valueName = "Data" enabledData = "01 00 00 00" disabledData = "00 00 00 00" ) var data string if enable { data = enabledData } else { data = disabledData } err = key.SetBinaryValue(subkey+"\\"+valueName, []byte(data)) if err != nil { return err } return nil } func main() { SetSystemNightMode(true) }
通过读写注册表,我们可以轻松开启或关闭系统自带的护眼模式,提高我们日常工作的舒适度。
总结来说,护眼模式不仅可以有效减少对眼睛的刺激,也有助于我们减少长时间使用电脑所带来的身体不适。golang作为一种高效、简洁的编程语言,通过简单易懂的代码,我们可以轻松地实现护眼模式功能。
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