vcom/internal/ui/layout.go

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package ui
import tea "github.com/charmbracelet/bubbletea"
// cyrillicToLatin maps Russian ЙЦУКЕН characters to their QWERTY positional
// equivalents. This allows all single-letter commands to work regardless of
// whether the user has a Russian or Latin keyboard layout active.
var cyrillicToLatin = map[rune]rune{
// Lowercase — same physical key position
'й': 'q', 'ц': 'w', 'у': 'e', 'к': 'r', 'е': 't', 'н': 'y',
'г': 'u', 'ш': 'i', 'щ': 'o', 'з': 'p', 'х': '[', 'ъ': ']',
'ф': 'a', 'ы': 's', 'в': 'd', 'а': 'f', 'п': 'g', 'р': 'h',
'о': 'j', 'л': 'k', 'д': 'l', 'ж': ';', 'э': '\'',
'я': 'z', 'ч': 'x', 'с': 'c', 'м': 'v', 'и': 'b', 'т': 'n',
'ь': 'm', 'б': ',', 'ю': '.', 'ё': '`',
// Uppercase — same physical key position with Shift
'Й': 'Q', 'Ц': 'W', 'У': 'E', 'К': 'R', 'Е': 'T', 'Н': 'Y',
'Г': 'U', 'Ш': 'I', 'Щ': 'O', 'З': 'P', 'Х': '{', 'Ъ': '}',
'Ф': 'A', 'Ы': 'S', 'В': 'D', 'А': 'F', 'П': 'G', 'Р': 'H',
'О': 'J', 'Л': 'K', 'Д': 'L', 'Ж': ':', 'Э': '"',
'Я': 'Z', 'Ч': 'X', 'С': 'C', 'М': 'V', 'И': 'B', 'Т': 'N',
'Ь': 'M', 'Б': '<', 'Ю': '>', 'Ё': '~',
}
// translateKeyMsg translates Cyrillic characters in a KeyMsg to their Latin
// positional equivalents (ЙЦУКЕН → QWERTY). If no translation is needed, the
// original message is returned unchanged.
func translateKeyMsg(msg tea.KeyMsg) tea.KeyMsg {
if msg.Type != tea.KeyRunes || len(msg.Runes) == 0 {
return msg
}
translated := make([]rune, len(msg.Runes))
changed := false
for i, r := range msg.Runes {
if latin, ok := cyrillicToLatin[r]; ok {
translated[i] = latin
changed = true
} else {
translated[i] = r
}
}
if !changed {
return msg
}
return tea.KeyMsg{
Type: msg.Type,
Runes: translated,
Alt: msg.Alt,
Paste: msg.Paste,
}
}