Viewer: Fix shortcuts preferences not being translated

src/pyj/read_book/prefs/keyboard.pyj

@@ -9,7 +9,8 @@ from book_list.globals import get_session_data
 from book_list.item_list import create_item, create_item_list
 from dom import clear, svgicon, unique_id
 from read_book.shortcuts import (
-    GROUP_DESC, SHORTCUTS, key_as_text, keyevent_as_shortcut, shortcut_differs
+    key_as_text, keyevent_as_shortcut, shortcut_differs, shortcuts_definition,
+    shortcuts_group_desc
 )
 from widgets import create_button
 
@@ -22,7 +23,7 @@ def restore_defaults(close_func):
     get_container().dataset.changed = 'true'
     for item in get_container().querySelectorAll('[data-user-data]'):
         q = JSON.parse(item.dataset.userData)
-        q.shortcuts = SHORTCUTS[q.name].shortcuts
+        q.shortcuts = shortcuts_definition()[q.name].shortcuts
         item.dataset.userData = JSON.stringify(q)
     close_func()
 
@@ -127,7 +128,7 @@ def customize_shortcut(sc_name):
     container = container.lastChild
     clear(container)
     container.dataset.scName = sc_name
-    sc = SHORTCUTS[sc_name]
+    sc = shortcuts_definition()[sc_name]
     container.appendChild(E.h4(sc.short))
     if sc.long:
         container.appendChild(E.div(sc.long, style='font-style: italic; font-size: smaller; margin-top: 1ex'))
@@ -155,9 +156,9 @@ def create_keyboard_panel(container, close_func, onchange):
     container = container.firstChild
     sd = get_session_data()
     custom_shortcuts = sd.get('keyboard_shortcuts')
-    groups = as_groups(SHORTCUTS)
+    groups = as_groups(shortcuts_definition())
     for group_name in Object.keys(groups):
-        container.appendChild(E.h3(style='margin-top: 1ex', GROUP_DESC[group_name]))
+        container.appendChild(E.h3(style='margin-top: 1ex', shortcuts_group_desc()[group_name]))
         group = groups[group_name]
         items = []
         for sc_name in sorted(Object.keys(group), key=sort_group_key.bind(None, group)):
@@ -188,7 +189,7 @@ def commit_keyboard(onchange):
     vals = {}
     for item in get_container().querySelectorAll('[data-user-data]'):
         q = JSON.parse(item.dataset.userData)
-        if shortcuts_differ(q.shortcuts, SHORTCUTS[q.name].shortcuts):
+        if shortcuts_differ(q.shortcuts, shortcuts_definition()[q.name].shortcuts):
             vals[q.name] = q.shortcuts
     sd.set('keyboard_shortcuts', vals)
     create_keyboard_panel.onchange = None

src/pyj/read_book/shortcuts.pyj

@@ -86,13 +86,10 @@ def key_as_text(evt):
     return mods + key
 
 
-GROUP_DESC = {
-    'scroll': _('Navigation'),
-    'ui': _('Interface'),
-}
-
-
-SHORTCUTS = {
+def shortcuts_definition():
+    ans = shortcuts_definition.ans
+    if not ans:
+        ans = shortcuts_definition.ans = {
     'start_of_file': desc(
         v"['Ctrl+ArrowUp', 'Ctrl+ArrowLeft', 'Home']",
         'scroll',
@@ -248,31 +245,44 @@ SHORTCUTS = {
         'ui',
         _('Show the viewer controls'),
     ),
-}
+    }
+    return ans
+
+
+def shortcuts_group_desc():
+    ans = shortcuts_group_desc.ans
+    if not ans:
+        ans = shortcuts_group_desc.ans = {
+            'scroll': _('Navigation'),
+            'ui': _('Interface'),
+        }
+    return ans
+
 
 
 def add_standalone_viewer_shortcuts():
     ismacos = 'macos' in window.navigator.userAgent
-    SHORTCUTS['toggle_bookmarks'] = desc(
+    sc = shortcuts_definition()
+    sc['toggle_bookmarks'] = desc(
         v"['Ctrl+b']",
         'ui',
         _('Show/hide bookmarks'),
     )
 
-    SHORTCUTS['toggle_inspector'] = desc(
+    sc['toggle_inspector'] = desc(
         v"['Ctrl+i']",
         'ui',
         _('Show/hide Inspector'),
     )
 
-    SHORTCUTS['toggle_lookup'] = desc(
+    sc['toggle_lookup'] = desc(
         v"['Ctrl+l']",
         'ui',
         _('Show/hide the word lookup panel'),
     )
 
     quit_shortcut = 'Meta+q' if ismacos else 'Ctrl+q'
-    SHORTCUTS['quit'] = desc(
+    sc['quit'] = desc(
         quit_shortcut,
         'ui',
         _('Quit the viewer'),
@@ -280,8 +290,9 @@ def add_standalone_viewer_shortcuts():
 
 def create_shortcut_map(custom_shortcuts):
     ans = {}
-    for sc_name in Object.keys(SHORTCUTS):
-        entry = SHORTCUTS[sc_name]
+    scd = shortcuts_definition()
+    for sc_name in Object.keys(scd):
+        entry = scd[sc_name]
         shortcuts = entry.shortcuts
         if custom_shortcuts and custom_shortcuts[sc_name]:
             shortcuts = custom_shortcuts[sc_name]

src/pyj/viewer-main.pyj

@@ -28,7 +28,6 @@ runtime.is_standalone_viewer = True
 runtime.FAKE_HOST = FAKE_HOST
 runtime.SANDBOX_HOST = FAKE_HOST.rpartition('.')[0] + '.sandbox'
 runtime.FAKE_PROTOCOL = FAKE_PROTOCOL
-add_standalone_viewer_shortcuts()
 book = None
 view = None
 
@@ -288,6 +287,7 @@ if window is window.top:
     TRANSLATIONS_DATA = v'__TRANSLATIONS_DATA__'
     if TRANSLATIONS_DATA:
         install(TRANSLATIONS_DATA)
+    add_standalone_viewer_shortcuts()
     ui_operations.get_file = get_file
     ui_operations.get_mathjax_files = get_mathjax_files
     ui_operations.update_url_state = update_url_state
@@ -360,3 +360,4 @@ else:
         footnotes_main()
     else:
         iframe_main()
+    add_standalone_viewer_shortcuts()