Unify input methods with the installer keyboard selection

default/hypr/bindings/input-method.lua

@@ -0,0 +1,66 @@
+local paths = require("default.hypr.paths")
+
+-- Same terminal tag test as clipboard.lua.
+local function active_window_is_terminal()
+  local window = hl.get_active_window()
+  if not window then
+    return false
+  end
+
+  for _, tag in ipairs(window.tags or {}) do
+    if tag:gsub("%*$", "") == "terminal" then
+      return true
+    end
+  end
+
+  return false
+end
+
+-- Read on demand so adding an engine in a live desktop needs no reload.
+local function has_input_method()
+  local file = io.open(paths.config_home .. "/fcitx5/profile", "r")
+  if not file then return false end
+  local in_item, found = false, false
+  for line in file:lines() do
+    if line:match("^%[") then
+      in_item = line:match("^%[Groups/%d+/Items/%d+%]$") ~= nil
+    elseif in_item then
+      local name = line:match("^Name=(.+)$")
+      if name and not name:match("^keyboard%-") then found = true end
+    end
+  end
+  file:close()
+  return found
+end
+
+-- Preserve custom Ctrl + Space triggers. Without a
+-- [Hotkey/TriggerKeys] list in the config, fcitx5 uses its default, which has
+-- Ctrl + Space.
+local function fcitx5_toggles_on_ctrl_space()
+  local file = io.open(paths.config_home .. "/fcitx5/config", "r")
+  if not file then
+    return true
+  end
+
+  local in_triggers, has_triggers, toggles = false, false, false
+  for line in file:lines() do
+    if line:match("^%[") then
+      in_triggers = line == "[Hotkey/TriggerKeys]"
+      has_triggers = has_triggers or in_triggers
+    elseif in_triggers and line:match("^%d+=Control%+space$") then
+      toggles = true
+    end
+  end
+
+  file:close()
+  return toggles or not has_triggers
+end
+
+-- Pass the tmux/Herdr prefix through and return to direct input, so the next
+-- key reaches the multiplexer instead of the engine's composition.
+o.bind("CTRL + SPACE", "Direct input for the terminal prefix", function()
+  if active_window_is_terminal() and has_input_method() and not fcitx5_toggles_on_ctrl_space() then
+    -- Wait for the local controller reply before dispatching the next key.
+    o.shell_succeeds("timeout 0.3 fcitx5-remote --check -c")
+  end
+end, { non_consuming = true })

default/hypr/bindings/jis.lua

@@ -0,0 +1,43 @@
+-- Defaults for Japanese (JIS) keyboards, which only apply when the installed
+-- layout is jp. See default/hypr/keyboard.lua.
+
+local keyboard = require("default.hypr.keyboard")
+
+if not keyboard.jis() then
+  return
+end
+
+-- Same down/up split as the universal clipboard shortcuts in clipboard.lua.
+local function send_shortcut_once(mods, key)
+  hl.dispatch(hl.dsp.send_key_state({ mods = mods, key = key, state = "down" }))
+
+  hl.timer(function()
+    hl.dispatch(hl.dsp.send_key_state({ mods = mods, key = key, state = "up" }))
+  end, { timeout = 50, type = "oneshot" })
+end
+
+local function active_window_class()
+  local window = hl.get_active_window()
+  return ((window and window.class) or ""):lower()
+end
+
+-- On JIS, + is Shift + ;, so apps see Ctrl + Shift + semicolon and never zoom
+-- in. Hand them Ctrl + keypad plus instead, which Chromium, Electron apps,
+-- VS Code, and Firefox read as zoom in. Obsidian only listens for Ctrl + ^,
+-- which JIS types without Shift.
+local zoom_in_overrides = {
+  obsidian = { "CTRL", "asciicircum" },
+}
+
+o.bind("CTRL + SHIFT + semicolon", "Zoom in (JIS + key)", function()
+  local class = active_window_class()
+
+  for pattern, chord in pairs(zoom_in_overrides) do
+    if class:find(pattern, 1, true) then
+      send_shortcut_once(chord[1], chord[2])
+      return
+    end
+  end
+
+  send_shortcut_once("CTRL", "KP_Add")
+end)

default/hypr/input.lua

@@ -1,32 +1,13 @@
 -- https://wiki.hypr.land/Configuring/Basics/Variables/#input
 
-local function read_vconsole()
-  local values = {}
-  local file = io.open("/etc/vconsole.conf", "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
+local keyboard = require("default.hypr.keyboard")
 
 -- Layouts that can't type Latin letters. Keep in sync with the list in
 -- etc/mkinitcpio.conf.d/omarchy_hooks.conf.
 local non_latin_layouts =
   " af am ara bd bg by et ge gr il in iq ir kg kh kz la lk mk mm mn mv np rs ru sy th tj ua "
 
-local vconsole = read_vconsole()
+local vconsole = keyboard.installed()
 
 local kb_layout = vconsole.XKBLAYOUT or "us"
 local kb_variant = vconsole.XKBVARIANT or ""

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

default/hypr/omarchy.lua

@@ -8,6 +8,8 @@ require("default.hypr.autostart")
 if _G.omarchy_default_bindings ~= false then
   require("default.hypr.bindings.media")
   require("default.hypr.bindings.clipboard")
+  require("default.hypr.bindings.input-method")
+  require("default.hypr.bindings.jis")
   require("default.hypr.bindings.tiling")
   require("default.hypr.bindings.utilities")
   require("default.hypr.bindings.voxtype")