如何在Ubuntu Linux下通过编程判断鼠标按键是否为左利手交换模式?
判断Ubuntu鼠标主按键是否交换的程序实现
Ubuntu系统的鼠标主按键设置存储在GNOME的gsettings配置中,对应的配置项是org.gnome.desktop.peripherals.mouse下的left-handed键:
- 值为
true:鼠标按键已交换(主按键为右键) - 值为
false:默认状态(主按键为左键)
方法一:命令行直接获取
在终端执行以下命令即可查看当前设置:
gsettings get org.gnome.desktop.peripherals.mouse left-handed
方法二:Python程序实现
方式1:调用系统命令(无需额外依赖)
通过subprocess模块执行gsettings命令并解析结果:
import subprocess def is_mouse_buttons_swapped(): proc = subprocess.run( ["gsettings", "get", "org.gnome.desktop.peripherals.mouse", "left-handed"], capture_output=True, text=True, check=True ) return proc.stdout.strip() == "true" if __name__ == "__main__": swapped = is_mouse_buttons_swapped() print(f"鼠标按键已交换: {swapped}")
方式2:使用GNOME原生GSettings库(更推荐)
借助Gio.Settings直接读取配置,Ubuntu默认已预装python3-gi依赖:
from gi.repository import Gio def is_mouse_buttons_swapped(): mouse_settings = Gio.Settings.new("org.gnome.desktop.peripherals.mouse") return mouse_settings.get_boolean("left-handed") if __name__ == "__main__": swapped = is_mouse_buttons_swapped() print(f"鼠标按键已交换: {swapped}")
内容的提问来源于stack exchange,提问作者Al Sweigart
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