Unify input methods with the installer keyboard selection

default/hypr/keyboard.lua

@@ -0,0 +1,47 @@
+-- The keyboard layout picked at install time. The installer and first-boot
+-- setup persist it to /etc/vconsole.conf, so Hyprland reads it from there
+-- instead of rewriting every user's config.
+
+local keyboard = {}
+
+local function read_values(path)
+  local values = {}
+  local file = io.open(path, "r")
+  if not file then
+    return values
+  end
+
+  for line in file:lines() do
+    local key, value = line:match("^%s*([%w_]+)%s*=%s*(.-)%s*$")
+    if key and value then
+      value = value:gsub("%s+#.*$", "")
+      value = value:gsub('^"(.*)"$', "%1")
+      value = value:gsub("^'(.*)'$", "%1")
+      values[key] = value
+    end
+  end
+
+  file:close()
+  return values
+end
+
+function keyboard.vconsole()
+  return read_values("/etc/vconsole.conf")
+end
+
+function keyboard.installed()
+  local values = keyboard.vconsole()
+  if read_values("/etc/omarchy/input-method").XKB_LAYOUT == "kr" then
+    values.XKBLAYOUT, values.XKBVARIANT = "kr", ""
+  end
+  return values
+end
+
+-- Japanese (JIS) keyboards put +, ^, and the Henkan/Muhenkan keys where US
+-- keyboards don't, so a few defaults only apply when that layout leads.
+function keyboard.jis()
+  local layout = keyboard.installed().XKBLAYOUT or "us"
+  return layout:match("^[^,]*") == "jp"
+end
+
+return keyboard