Spell checking (#1137)

This adds dictionary-based spell checking to the keyboard. The keyboard looks at the word being typed and matches it against a dictionary to either complete the rest of the word or find alternative spellings.

The core of this feature is implemented in cdict, which is included as a
submodule in vendor/cidct.

Cdict is developped at https://github.com/Julow/cdict
The dictionaries are hosted at https://github.com/Julow/Unexpected-Keyboard-dictionaries/
The wordlists used to build the dictionaries are the same ones used by
HeliBoard from https://codeberg.org/Helium314/aosp-dictionaries

- Add an activity accessible from the launcher app that lists available
  dictionaries with a download button.
  The DictionaryListView view shows the list of available dictionaries and
  handles downloading and installing them.

- The Dictionaries class manages installed dictionaries. Dictionaries are
  installed as individual files into the app's private directory.

- Available dictionaries are listed in dictionaries.xml, which is generated
  when building Unexpected-Keyboard-dictionaries.
  method.xml mentions the dictionary name for each locales.

1 files changed, 10 insertions, 8 deletions

diff --git a/srcs/juloo.keyboard2/Config.java b/srcs/juloo.keyboard2/Config.java
index 16a92ef..18e9fe7 100644
--- a/srcs/juloo.keyboard2/Config.java
+++ b/srcs/juloo.keyboard2/Config.java
@@ -8,6 +8,8 @@ import android.util.TypedValue;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import juloo.cdict.Cdict;
+import juloo.keyboard2.dict.Dictionaries;
 import juloo.keyboard2.prefs.CustomExtraKeysPreference;
 import juloo.keyboard2.prefs.ExtraKeysPreference;
 import juloo.keyboard2.prefs.LayoutsPreference;
@@ -80,8 +82,8 @@ public final class Config
   public ExtraKeys extra_keys_subtype;
   public Map<KeyValue, KeyboardData.PreferredPos> extra_keys_param;
   public Map<KeyValue, KeyboardData.PreferredPos> extra_keys_custom;
-
-  public final IKeyEventHandler handler;
+  public Cdict current_dictionary = null; // Might be 'null'.
+  public IKeyEventHandler handler;
   public boolean orientation_landscape = false;
   public boolean foldable_unfolded = false;
   public boolean wide_screen = false;
@@ -90,7 +92,8 @@ public final class Config
   int current_layout_narrow;
   int current_layout_wide;
 
-  private Config(SharedPreferences prefs, Resources res, IKeyEventHandler h, Boolean foldableUnfolded)
+  private Config(SharedPreferences prefs, Resources res,
+      Boolean foldableUnfolded, Dictionaries dicts)
   {
     _prefs = prefs;
     editor_config = new EditorConfig();
@@ -100,17 +103,16 @@ public final class Config
     labelTextSize = 0.33f;
     sublabelTextSize = 0.22f;
     // from prefs
-    refresh(res, foldableUnfolded);
+    refresh(res, foldableUnfolded, dicts);
     // initialized later
     shouldOfferVoiceTyping = false;
     extra_keys_subtype = null;
-    handler = h;
   }
 
   /*
    ** Reload prefs
    */
-  public void refresh(Resources res, Boolean foldableUnfolded)
+  public void refresh(Resources res, Boolean foldableUnfolded, Dictionaries dicts)
   {
     DisplayMetrics dm = res.getDisplayMetrics();
     orientation_landscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
@@ -289,10 +291,10 @@ public final class Config
   private static Config _globalConfig = null;
 
   public static void initGlobalConfig(SharedPreferences prefs, Resources res,
-      IKeyEventHandler handler, Boolean foldableUnfolded)
+      Boolean foldableUnfolded, Dictionaries dicts)
   {
     migrate(prefs);
-    _globalConfig = new Config(prefs, res, handler, foldableUnfolded);
+    _globalConfig = new Config(prefs, res, foldableUnfolded, dicts);
     LayoutModifier.init(_globalConfig, res);
   }