ghostty

export function isCopyShortcut(e: KeyboardEvent): boolean {
  return (e.metaKey || e.ctrlKey) && !e.altKey && e.key.toLowerCase() === 'c'
}

export function isPasteShortcut(e: KeyboardEvent): boolean {
  return (e.metaKey || e.ctrlKey) && !e.altKey && e.key.toLowerCase() === 'v'
}

export function isBrowserDevShortcut(e: KeyboardEvent): boolean {
  const key = e.key.toLowerCase()

  if (key === 'f5' || key === 'f12') return true

  // Hard refresh and Chromium/Firefox developer tools on Windows and Linux.
  if ((e.ctrlKey || e.metaKey) && e.shiftKey && ['r', 'i', 'j', 'c'].includes(key)) {
    return true
  }

  // Chromium/Safari developer tools on macOS.
  return e.metaKey && e.altKey && ['i', 'j', 'c'].includes(key)
}

export function mouseButtonName(button: number): string | null {
  switch (button) {
    case 0:
      return 'left'
    case 1:
      return 'middle'
    case 2:
      return 'right'
    case 3:
      return 'four'
    case 4:
      return 'five'
    default:
      return null
  }
}

export function primaryPressedButton(e: MouseEvent): number {
  if (e.buttons & 1) return 0
  if (e.buttons & 4) return 1
  if (e.buttons & 2) return 2
  if (e.buttons & 8) return 3
  if (e.buttons & 16) return 4
  return -1
}

export function hasMouseModifiers(e: MouseEvent): boolean {
  return e.shiftKey || e.ctrlKey || e.altKey || e.metaKey
}