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Merge pull request #6 from siropkin/develop
v1.1.0 Enhance keyboard layout detection, refine default language setting, and update Gradle to 8.9
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137 changes: 137 additions & 0 deletions
137
src/main/kotlin/com/github/siropkin/kursor/KeyboardLayoutInfo.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| package com.github.siropkin.kursor | ||
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| import java.awt.im.InputContext | ||
| import java.io.BufferedReader | ||
| import java.io.IOException | ||
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| class KeyboardLayout(private val country: String, private val language: String) { | ||
| override fun toString(): String = country.lowercase().ifEmpty { language.lowercase() } | ||
| } | ||
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| class KeyboardLayoutInfo { | ||
| private val unknownCountry = "unk" | ||
| private val unknownLanguage = "" | ||
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| private val os: String = System.getProperty("os.name").lowercase() | ||
| private var linuxDistribution: String = System.getenv("DESKTOP_SESSION")?.lowercase() ?: "" | ||
| private var linuxDesktopGroup: String = System.getenv("XDG_SESSION_TYPE")?.lowercase() ?: "" | ||
| private var linuxNonUbuntuKeyboardCountries: List<String> = emptyList() | ||
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| fun getLayout(): KeyboardLayout { | ||
| return when { | ||
| os.startsWith("linux") -> getLinuxKeyboardLayout() | ||
| os.startsWith("win") -> getWindowsKeyboardLayout() | ||
| os.startsWith("mac") -> getMacKeyboardLayout() | ||
| else -> KeyboardLayout(unknownCountry, unknownLanguage) | ||
| } | ||
| } | ||
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| private fun getLinuxKeyboardLayout(): KeyboardLayout { | ||
| // InputContext.getInstance().locale is not working on Linux: it always returns "en_US" | ||
| // This is not the ideal solution because it involves executing a shell command to know the current keyboard layout | ||
| // which might affect the performance. And we have different commands for different Linux distributions. | ||
| // But it is the only solution I found that works on Linux. | ||
| // For Linux we know only keyboard country and do not know keyboard language | ||
| if (linuxDistribution == "ubuntu") { | ||
| // output example: [('xkb', 'us'), ('xkb', 'ru'), ('xkb', 'ca+eng')] | ||
| val split = executeNativeCommand(arrayOf("gsettings", "get", "org.gnome.desktop.input-sources", "mru-sources")) | ||
| .substringAfter("('xkb', '") | ||
| .substringBefore("')") | ||
| .split("+") | ||
| val country = split[0] | ||
| val language = if (split.size > 1) split[1] else unknownLanguage | ||
| return KeyboardLayout(country, language) | ||
| } | ||
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| if (linuxNonUbuntuKeyboardCountries.isEmpty()) { | ||
| // output example: rules: evdev | ||
| //model: pc105 | ||
| //layout: us | ||
| //options: grp:win_space_toggle,terminate:ctrl_alt_bksp | ||
| // FIXME: This command does not work on linuxDesktopGroup = "wayland", see: https://github.com/siropkin/kursor/issues/3 | ||
| linuxNonUbuntuKeyboardCountries = if (linuxDesktopGroup == "wayland") { | ||
| executeNativeCommand(arrayOf("setxkbmap", "-query")) | ||
| .substringAfter("layout:") | ||
| .substringBefore("\n") | ||
| .trim() | ||
| .split(",") | ||
| } else { | ||
| executeNativeCommand(arrayOf("setxkbmap", "-query")) | ||
| .substringAfter("layout:") | ||
| .substringBefore("\n") | ||
| .trim() | ||
| .split(",") | ||
| } | ||
| } | ||
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| // output example: Keyboard Control: | ||
| // auto repeat: on key click percent: 0 LED mask: 00000000 | ||
| // XKB indicators: | ||
| // 00: Caps Lock: off 01: Num Lock: off 02: Scroll Lock: off | ||
| // 03: Compose: off 04: Kana: off 05: Sleep: off | ||
| // 06: Suspend: off 07: Mute: off 08: Misc: off | ||
| // 09: Mail: off 10: Charging: off 11: Shift Lock: off | ||
| // 12: Group 2: off 13: Mouse Keys: off | ||
| // auto repeat delay: 500 repeat rate: 33 | ||
| // auto repeating keys: 00ffffffdffffbbf | ||
| // fadfffefffedffff | ||
| // 9fffffffffffffff | ||
| // fff7ffffffffffff | ||
| // bell percent: 50 bell pitch: 400 bell duration: 100 | ||
| //Pointer Control: | ||
| // acceleration: 2/1 threshold: 4 | ||
| //Screen Saver: | ||
| // prefer blanking: yes allow exposures: yes | ||
| // timeout: 0 cycle: 0 | ||
| //Colors: | ||
| // default colormap: 0x20 BlackPixel: 0x0 WhitePixel: 0xffffff | ||
| //Font Path: | ||
| // /usr/share/fonts/X11/misc,/usr/share/fonts/X11/Type1,built-ins | ||
| //DPMS (Energy Star): | ||
| // Standby: 0 Suspend: 0 Off: 0 | ||
| // DPMS is Enabled | ||
| // Monitor is On | ||
| val linuxCurrentKeyboardCountryIndex = executeNativeCommand(arrayOf("xset", "-q")) | ||
| .substringAfter("LED mask:") | ||
| .substringBefore("\n") | ||
| .trim() | ||
| .substring(4, 5) | ||
| .toInt(16) | ||
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| // Additional check to avoid out of bounds exception | ||
| if (linuxCurrentKeyboardCountryIndex >= linuxNonUbuntuKeyboardCountries.size) { | ||
| return KeyboardLayout(unknownCountry, unknownLanguage) | ||
| } | ||
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| // This is a bad solution because it returns 0 if it's a default layout and 1 in other cases, | ||
| // and if user has more than two layouts, we do not know which one is really on | ||
| if (linuxNonUbuntuKeyboardCountries.size > 2 && linuxCurrentKeyboardCountryIndex > 0) { | ||
| KeyboardLayout(unknownCountry, unknownLanguage) | ||
| } | ||
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| val country = linuxNonUbuntuKeyboardCountries[linuxCurrentKeyboardCountryIndex] | ||
| return KeyboardLayout(country, unknownLanguage) | ||
| } | ||
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| private fun getMacKeyboardLayout(): KeyboardLayout { | ||
| val locale = InputContext.getInstance().locale | ||
| return KeyboardLayout(locale.country, locale.language) | ||
| } | ||
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| private fun getWindowsKeyboardLayout(): KeyboardLayout { | ||
| val locale = InputContext.getInstance().locale | ||
| return KeyboardLayout(locale.country, locale.language) | ||
| } | ||
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| private fun executeNativeCommand(command: Array<String>): String { | ||
| return try { | ||
| val process = Runtime.getRuntime().exec(command) | ||
| process.waitFor() | ||
| process.inputStream.bufferedReader().use(BufferedReader::readText) | ||
| } catch (e: IOException) { | ||
| e.printStackTrace() | ||
| "" | ||
| } | ||
| } | ||
| } | ||
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