How to set dark mode in golang

With the popularity of dark mode, more and more applications and websites have begun to launch dark mode support to facilitate users to reduce eye fatigue when using them at night. The development field is no exception. Recently, the more popular programming language Go (golang) has also begun to support dark mode. In this article, we will explore how to set up dark mode in Go.

1. Set terminal dark mode

For Go programs running on the terminal, we can achieve the effect of dark mode by changing the background color and font color of the terminal.

When using common terminal programs (such as Windows terminal, macOS terminal, Linux Bash terminal, etc.), we can achieve the effect of dark mode by changing the background and font color in the terminal settings. For specific operations, please refer to the relevant documentation of each operating system.

For color output in Go programs, we can use the color package in the Go language to achieve this by setting the foreground and background colors of the font.

import (
    "fmt"

    "github.com/fatih/color"
)

func main() {
    // 设置字体颜色
    color.Red("Hello, world!")

    // 设置背景颜色
    color.New(color.BgBlue).Println("Hello, world!")
}

In the above example, we used the Red and New methods in the color package to set the font color and background color respectively. . Please check the official documentation for specific optional colors.

2. Set GUI dark mode

For Go programs running in a desktop application environment, we can achieve the effect of dark mode by changing the color theme of the application itself .

In the Go language, we can use third-party libraries such as fyne to easily implement the design and development of GUI interfaces. The fyne library also provides dark mode support, allowing developers to easily implement the dark mode of the program.

import "fyne.io/fyne/v2"

func main() {
    app := fyne.NewApp()
    // 设置应用程序主题为黑暗模式
    settings := app.Settings()
    settings.SetTheme(theme.DarkTheme())

     // ...
}

In the above code, we use fyne.NewApp() to create a fyne application object and use setttings.SetTheme(theme. DarkTheme()) to set the theme to dark mode. Once you launch the program, you can use dark mode.

In addition to the fyne library, there are other GUI libraries that also support dark mode. Using these libraries can greatly simplify the development process of dark mode, improving program development efficiency and user experience.

Summary

Dark mode is a popular trend. In order to improve user experience and program development efficiency, more and more applications are beginning to support dark mode. In Go language, we can implement dark mode by changing the color of the terminal or using GUI library. No matter which method is used, it can help us perform programming work more comfortably.

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