Applescript Mojave切换可访问性灰度启用/禁用 [英] Applescript Mojave Toggle Accessibility Grayscale On/Off

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问题描述

我有一个脚本,该脚本定期运行以使用Applescript打开/关闭灰度.它在High Sierra上运行良好,但在我使用的是Mojave时会抛出异常.

I have a script I run periodically to toggle grayscale on/off with Applescript. It runs fine on High Sierra but throw an exception when I use it was Mojave.

tell application "System Preferences"
    reveal anchor "Seeing_Display" of pane id "com.apple.preference.universalaccess"
end tell

tell application "System Events" to tell process "System Preferences"
    delay 0.5 # Needed or else script fails
    set theCheckbox to checkbox "Use grayscale" of window "Accessibility"
    tell theCheckbox
        # If the checkbox is not checked, check it to turn grayscale on
        if not (its value as boolean) then
            set checked to true
            click theCheckbox
        else # else turn grayscale off
            set checked to false
            click theCheckbox
        end if
    end tell
end tell

tell application "System Preferences"
    quit
end tell

例外是:

System Events got an error: Can’t get checkbox "Use grayscale" of window "Accessibility" of process "System Preferences". (-1728)

莫哈维(Mojave)仍然支持Applescript/有人知道如何解决此问题吗?

Does Mojave still support Applescript/Would anyone know how to fix this?

推荐答案

这适用于使用Mojave OS的我

This works for me Using OS Mojave

tell application "System Preferences"
    reveal anchor "Seeing_Display" of pane id "com.apple.preference.universalaccess"
end tell

tell application "System Events" to tell process "System Preferences"
    repeat while not (exists of checkbox "Use grayscale" of group 1 of window "Accessibility")
        delay 0.1
    end repeat
    set theCheckbox to checkbox "Use grayscale" of group 1 of window "Accessibility"
    tell theCheckbox
        # If the checkbox is not checked, check it to turn grayscale on
        if not (its value as boolean) then
            set checked to true
            click theCheckbox
        else # else turn grayscale off
            set checked to false
            click theCheckbox
        end if
    end tell
end tell

tell application "System Preferences"
    quit
end tell

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