forked from extern/Unexpected-Keyboard
8b2c07c9cb
This new class will help write more logs. The LogPrinter is no longer created everytime the keyboard is opened. An error log is added if failing to load the custom extra keys.
472 lines
15 KiB
Java
472 lines
15 KiB
Java
package juloo.keyboard2;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.inputmethodservice.InputMethodService;
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import android.os.Build.VERSION;
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import android.os.IBinder;
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import android.text.InputType;
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import android.util.Log;
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import android.util.LogPrinter;
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import android.view.*;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.InputConnection;
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import android.view.inputmethod.InputMethodInfo;
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import android.view.inputmethod.InputMethodManager;
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import android.view.inputmethod.InputMethodSubtype;
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import android.widget.FrameLayout;
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import android.widget.LinearLayout;
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import java.util.AbstractMap.SimpleEntry;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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public class Keyboard2 extends InputMethodService
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implements SharedPreferences.OnSharedPreferenceChangeListener
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{
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private Keyboard2View _keyboardView;
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private KeyEventHandler _keyeventhandler;
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// If not 'null', the layout to use instead of [_currentTextLayout].
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private KeyboardData _currentSpecialLayout;
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private Current_text_layout _currentTextLayout;
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// Layout associated with the currently selected locale. Not 'null'.
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private KeyboardData _localeTextLayout;
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private ViewGroup _emojiPane = null;
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public int actionId; // Action performed by the Action key.
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private Config _config;
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/** Layout currently visible. */
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KeyboardData current_layout()
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{
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if (_currentSpecialLayout != null)
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return _currentSpecialLayout;
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KeyboardData layout;
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if (_currentTextLayout == Current_text_layout.SECONDARY)
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layout = _config.second_layout;
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else if (_config.layout == null)
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layout = _localeTextLayout;
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else
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layout = _config.layout;
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return _config.modify_layout(layout);
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}
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void setTextLayout(Current_text_layout layout)
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{
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_currentTextLayout = layout;
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_currentSpecialLayout = null;
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_keyboardView.setKeyboard(current_layout());
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}
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void setSpecialLayout(KeyboardData l)
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{
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_currentSpecialLayout = l;
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_keyboardView.setKeyboard(l);
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}
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KeyboardData loadLayout(int layout_id)
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{
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return KeyboardData.load(getResources(), layout_id);
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}
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@Override
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public void onCreate()
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{
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super.onCreate();
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KeyboardData.init(getResources());
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SharedPreferences prefs = DirectBootAwarePreferences.get_shared_preferences(this);
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prefs.registerOnSharedPreferenceChangeListener(this);
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_keyeventhandler = new KeyEventHandler(getMainLooper(), this.new Receiver());
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Config.initGlobalConfig(prefs, getResources(), _keyeventhandler);
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_config = Config.globalConfig();
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_keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
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_keyboardView.reset();
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Logs.set_debug_logs(getResources().getBoolean(R.bool.debug_logs));
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}
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private List<InputMethodSubtype> getEnabledSubtypes(InputMethodManager imm)
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{
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String pkg = getPackageName();
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for (InputMethodInfo imi : imm.getEnabledInputMethodList())
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if (imi.getPackageName().equals(pkg))
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return imm.getEnabledInputMethodSubtypeList(imi, true);
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return Arrays.asList();
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}
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private void extra_keys_of_subtype(ExtraKeys dst, InputMethodSubtype subtype)
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{
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String extra_keys = subtype.getExtraValueOf("extra_keys");
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String script = subtype.getExtraValueOf("script");
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if (extra_keys == null)
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return;
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dst.add_keys_for_script(script, ExtraKeys.parse_extra_keys(extra_keys));
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}
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private void refreshAccentsOption(InputMethodManager imm, InputMethodSubtype subtype)
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{
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ExtraKeys extra_keys = new ExtraKeys();
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List<InputMethodSubtype> enabled_subtypes = getEnabledSubtypes(imm);
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switch (_config.accents)
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{
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// '3' was "all accents", now unused
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case 1: case 3:
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extra_keys_of_subtype(extra_keys, subtype);
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for (InputMethodSubtype s : enabled_subtypes)
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extra_keys_of_subtype(extra_keys, s);
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break;
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case 2:
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extra_keys_of_subtype(extra_keys, subtype);
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break;
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case 4: break;
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default: throw new IllegalArgumentException();
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}
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_config.extra_keys_subtype = extra_keys;
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if (enabled_subtypes.size() > 1)
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_config.shouldOfferSwitchingToNextInputMethod = true;
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}
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InputMethodManager get_imm()
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{
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return (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
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}
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private void refreshSubtypeImm()
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{
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InputMethodManager imm = get_imm();
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if (VERSION.SDK_INT < 28)
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_config.shouldOfferSwitchingToNextInputMethod = true;
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else
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_config.shouldOfferSwitchingToNextInputMethod = shouldOfferSwitchingToNextInputMethod();
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_config.shouldOfferVoiceTyping = (get_voice_typing_im(imm) != null);
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KeyboardData default_layout = null;
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_config.extra_keys_subtype = null;
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if (VERSION.SDK_INT >= 12)
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{
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InputMethodSubtype subtype = imm.getCurrentInputMethodSubtype();
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if (subtype != null)
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{
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String s = subtype.getExtraValueOf("default_layout");
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if (s != null)
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default_layout = _config.layout_of_string(getResources(), s);
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refreshAccentsOption(imm, subtype);
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}
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}
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if (default_layout == null)
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default_layout = KeyboardData.load(getResources(), R.xml.latn_qwerty_us);
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_localeTextLayout = default_layout;
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if (_config.second_layout == null)
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{
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_config.shouldOfferSwitchingToSecond = false;
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_currentTextLayout = Current_text_layout.PRIMARY;
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}
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else
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{
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_config.shouldOfferSwitchingToSecond = true;
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}
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}
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private String actionLabel_of_imeAction(int action)
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{
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int res;
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switch (action)
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{
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case EditorInfo.IME_ACTION_NEXT: res = R.string.key_action_next; break;
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case EditorInfo.IME_ACTION_DONE: res = R.string.key_action_done; break;
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case EditorInfo.IME_ACTION_GO: res = R.string.key_action_go; break;
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case EditorInfo.IME_ACTION_PREVIOUS: res = R.string.key_action_prev; break;
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case EditorInfo.IME_ACTION_SEARCH: res = R.string.key_action_search; break;
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case EditorInfo.IME_ACTION_SEND: res = R.string.key_action_send; break;
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case EditorInfo.IME_ACTION_UNSPECIFIED:
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case EditorInfo.IME_ACTION_NONE:
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default: return null;
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}
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return getResources().getString(res);
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}
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private void refresh_action_label(EditorInfo info)
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{
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// First try to look at 'info.actionLabel', if it isn't set, look at
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// 'imeOptions'.
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if (info.actionLabel != null)
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{
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_config.actionLabel = info.actionLabel.toString();
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actionId = info.actionId;
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_config.swapEnterActionKey = false;
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}
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else
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{
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int action = info.imeOptions & EditorInfo.IME_MASK_ACTION;
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_config.actionLabel = actionLabel_of_imeAction(action); // Might be null
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actionId = action;
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_config.swapEnterActionKey =
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(info.imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) == 0;
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}
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}
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/** Might re-create the keyboard view. [_keyboardView.setKeyboard()] and
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[setInputView()] must be called soon after. */
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private void refresh_config()
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{
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int prev_theme = _config.theme;
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_config.refresh(getResources());
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refreshSubtypeImm();
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// Refreshing the theme config requires re-creating the views
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if (prev_theme != _config.theme)
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{
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_keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
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_emojiPane = null;
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}
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_keyboardView.reset();
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}
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/** Returns the id and subtype of the voice typing IM. Returns [null] if none
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is installed or if the feature is unsupported. */
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SimpleEntry<String, InputMethodSubtype> get_voice_typing_im(InputMethodManager imm)
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{
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if (VERSION.SDK_INT < 11) // Due to InputMethodSubtype
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return null;
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for (InputMethodInfo im : imm.getEnabledInputMethodList())
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for (InputMethodSubtype imst : imm.getEnabledInputMethodSubtypeList(im, true))
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// Switch to the first IM that has a subtype of this mode
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if (imst.getMode().equals("voice"))
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return new SimpleEntry(im.getId(), imst);
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return null;
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}
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private void refresh_special_layout(EditorInfo info)
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{
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switch (info.inputType & InputType.TYPE_MASK_CLASS)
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{
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case InputType.TYPE_CLASS_NUMBER:
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case InputType.TYPE_CLASS_PHONE:
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case InputType.TYPE_CLASS_DATETIME:
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_currentSpecialLayout =
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_config.modify_numpad(KeyboardData.load(getResources(), R.xml.pin));
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break;
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default:
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_currentSpecialLayout = null;
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break;
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}
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}
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@Override
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public void onStartInputView(EditorInfo info, boolean restarting)
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{
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refresh_config();
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refresh_action_label(info);
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refresh_special_layout(info);
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_keyboardView.setKeyboard(current_layout());
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_keyeventhandler.started(info);
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setInputView(_keyboardView);
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Logs.debug_startup_input_view(info, _config);
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}
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@Override
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public void setInputView(View v)
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{
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ViewParent parent = v.getParent();
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if (parent != null && parent instanceof ViewGroup)
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((ViewGroup)parent).removeView(v);
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super.setInputView(v);
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updateSoftInputWindowLayoutParams();
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}
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@Override
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public void updateFullscreenMode() {
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super.updateFullscreenMode();
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updateSoftInputWindowLayoutParams();
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}
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private void updateSoftInputWindowLayoutParams() {
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final Window window = getWindow().getWindow();
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updateLayoutHeightOf(window, ViewGroup.LayoutParams.MATCH_PARENT);
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final View inputArea = window.findViewById(android.R.id.inputArea);
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updateLayoutHeightOf(
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(View) inputArea.getParent(),
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isFullscreenMode()
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? ViewGroup.LayoutParams.MATCH_PARENT
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: ViewGroup.LayoutParams.WRAP_CONTENT);
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updateLayoutGravityOf((View) inputArea.getParent(), Gravity.BOTTOM);
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}
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private static void updateLayoutHeightOf(final Window window, final int layoutHeight) {
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final WindowManager.LayoutParams params = window.getAttributes();
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if (params != null && params.height != layoutHeight) {
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params.height = layoutHeight;
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window.setAttributes(params);
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}
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}
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private static void updateLayoutHeightOf(final View view, final int layoutHeight) {
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final ViewGroup.LayoutParams params = view.getLayoutParams();
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if (params != null && params.height != layoutHeight) {
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params.height = layoutHeight;
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view.setLayoutParams(params);
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}
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}
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private static void updateLayoutGravityOf(final View view, final int layoutGravity) {
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final ViewGroup.LayoutParams lp = view.getLayoutParams();
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if (lp instanceof LinearLayout.LayoutParams) {
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final LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) lp;
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if (params.gravity != layoutGravity) {
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params.gravity = layoutGravity;
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view.setLayoutParams(params);
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}
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} else if (lp instanceof FrameLayout.LayoutParams) {
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final FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) lp;
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if (params.gravity != layoutGravity) {
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params.gravity = layoutGravity;
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view.setLayoutParams(params);
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}
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}
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}
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@Override
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public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype)
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{
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refreshSubtypeImm();
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_keyboardView.setKeyboard(current_layout());
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}
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@Override
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public void onUpdateSelection(int oldSelStart, int oldSelEnd, int newSelStart, int newSelEnd, int candidatesStart, int candidatesEnd)
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{
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super.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd, candidatesStart, candidatesEnd);
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_keyeventhandler.selection_updated(oldSelStart, newSelStart);
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}
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@Override
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public void onFinishInputView(boolean finishingInput)
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{
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super.onFinishInputView(finishingInput);
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_keyboardView.reset();
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}
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@Override
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public void onSharedPreferenceChanged(SharedPreferences _prefs, String _key)
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{
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refresh_config();
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setInputView(_keyboardView);
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_keyboardView.setKeyboard(current_layout());
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}
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@Override
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public boolean onEvaluateFullscreenMode()
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{
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/* Entirely disable fullscreen mode. */
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return false;
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}
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/** Not static */
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public class Receiver implements KeyEventHandler.IReceiver
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{
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public void handle_event_key(KeyValue.Event ev)
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{
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switch (ev)
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{
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case CONFIG:
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Intent intent = new Intent(Keyboard2.this, SettingsActivity.class);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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startActivity(intent);
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break;
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case SWITCH_TEXT:
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_currentSpecialLayout = null;
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_keyboardView.setKeyboard(current_layout());
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break;
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case SWITCH_NUMERIC:
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setSpecialLayout(_config.modify_numpad(loadLayout(R.xml.numeric)));
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break;
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case SWITCH_EMOJI:
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if (_emojiPane == null)
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_emojiPane = (ViewGroup)inflate_view(R.layout.emoji_pane);
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setInputView(_emojiPane);
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break;
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case SWITCH_BACK_EMOJI:
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setInputView(_keyboardView);
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break;
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case CHANGE_METHOD:
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get_imm().showInputMethodPicker();
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break;
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case CHANGE_METHOD_PREV:
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if (VERSION.SDK_INT < 28)
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get_imm().switchToLastInputMethod(getConnectionToken());
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else
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switchToPreviousInputMethod();
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break;
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case ACTION:
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InputConnection conn = getCurrentInputConnection();
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if (conn != null)
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conn.performEditorAction(actionId);
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break;
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case SWITCH_SECOND:
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if (_config.second_layout != null)
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setTextLayout(Current_text_layout.SECONDARY);
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break;
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case SWITCH_SECOND_BACK:
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setTextLayout(Current_text_layout.PRIMARY);
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break;
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case SWITCH_GREEKMATH:
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setSpecialLayout(_config.modify_numpad(loadLayout(R.xml.greekmath)));
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break;
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case CAPS_LOCK:
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set_shift_state(true, true);
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break;
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case SWITCH_VOICE_TYPING:
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SimpleEntry<String, InputMethodSubtype> im = get_voice_typing_im(get_imm());
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if (im == null)
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return;
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// Best-effort. Good enough for triggering Google's voice typing.
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if (VERSION.SDK_INT < 28)
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switchInputMethod(im.getKey());
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else
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switchInputMethod(im.getKey(), im.getValue());
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break;
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}
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}
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public void set_shift_state(boolean state, boolean lock)
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{
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_keyboardView.set_shift_state(state, lock);
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}
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public InputConnection getCurrentInputConnection()
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{
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return Keyboard2.this.getCurrentInputConnection();
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}
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}
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private IBinder getConnectionToken()
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{
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return getWindow().getWindow().getAttributes().token;
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}
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private View inflate_view(int layout)
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{
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return View.inflate(new ContextThemeWrapper(this, _config.theme), layout, null);
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}
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private static enum Current_text_layout
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{
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PRIMARY,
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SECONDARY
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}
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}
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