forked from extern/Unexpected-Keyboard
426 lines
15 KiB
Java
426 lines
15 KiB
Java
package juloo.keyboard2;
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import android.content.SharedPreferences;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.os.Build;
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import android.util.DisplayMetrics;
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import android.util.TypedValue;
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import android.view.KeyEvent;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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final class Config
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{
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private final SharedPreferences _prefs;
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// From resources
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public final float marginTop;
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public final float keyPadding;
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public final float labelTextSize;
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public final float sublabelTextSize;
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// From preferences
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/** [null] represent the [system] layout. */
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public List<KeyboardData> layouts;
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public boolean show_numpad = false;
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// From the 'numpad_layout' option, also apply to the numeric pane.
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public boolean inverse_numpad = false;
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public boolean number_row;
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public float swipe_dist_px;
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public float slide_step_px;
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public VibratorCompat.VibrationBehavior vibration_behavior;
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public long longPressTimeout;
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public long longPressInterval;
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public float margin_bottom;
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public float keyHeight;
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public float horizontal_margin;
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public float keyVerticalInterval;
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public float keyHorizontalInterval;
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public int labelBrightness; // 0 - 255
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public int keyboardOpacity; // 0 - 255
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public int keyOpacity; // 0 - 255
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public int keyActivatedOpacity; // 0 - 255
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public boolean double_tap_lock_shift;
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public float characterSize; // Ratio
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public int theme; // Values are R.style.*
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public boolean autocapitalisation;
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public boolean switch_input_immediate;
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public boolean pin_entry_enabled;
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// Dynamically set
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public boolean shouldOfferSwitchingToNextInputMethod;
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public boolean shouldOfferVoiceTyping;
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public String actionLabel; // Might be 'null'
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public int actionId; // Meaningful only when 'actionLabel' isn't 'null'
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public boolean swapEnterActionKey; // Swap the "enter" and "action" keys
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public ExtraKeys extra_keys_subtype;
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public Map<KeyValue, KeyboardData.PreferredPos> extra_keys_param;
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public Map<KeyValue, KeyboardData.PreferredPos> extra_keys_custom;
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public final IKeyEventHandler handler;
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public boolean orientation_landscape = false;
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public int current_layout; // Index in 'layouts' of the currently used layout
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private Config(SharedPreferences prefs, Resources res, IKeyEventHandler h)
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{
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_prefs = prefs;
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// static values
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marginTop = res.getDimension(R.dimen.margin_top);
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keyPadding = res.getDimension(R.dimen.key_padding);
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labelTextSize = 0.33f;
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sublabelTextSize = 0.22f;
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// from prefs
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refresh(res);
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// initialized later
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shouldOfferSwitchingToNextInputMethod = false;
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shouldOfferVoiceTyping = false;
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actionLabel = null;
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actionId = 0;
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swapEnterActionKey = false;
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extra_keys_subtype = null;
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handler = h;
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}
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/*
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** Reload prefs
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*/
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public void refresh(Resources res)
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{
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DisplayMetrics dm = res.getDisplayMetrics();
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orientation_landscape = res.getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
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// The height of the keyboard is relative to the height of the screen.
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// This is the height of the keyboard if it have 4 rows.
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int keyboardHeightPercent;
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// Scale some dimensions depending on orientation
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float horizontalIntervalScale = 1.f;
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float characterSizeScale = 1.f;
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String show_numpad_s = _prefs.getString("show_numpad", "never");
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show_numpad = "always".equals(show_numpad_s);
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if (orientation_landscape)
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{
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if ("landscape".equals(show_numpad_s))
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show_numpad = true;
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keyboardHeightPercent = _prefs.getInt("keyboard_height_landscape", 50);
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horizontalIntervalScale = 2.f;
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characterSizeScale = 1.25f;
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}
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else
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{
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keyboardHeightPercent = _prefs.getInt("keyboard_height", 35);
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}
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layouts = LayoutsPreference.load_from_preferences(res, _prefs);
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inverse_numpad = _prefs.getString("numpad_layout", "default").equals("low_first");
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number_row = _prefs.getBoolean("number_row", false);
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// The baseline for the swipe distance correspond to approximately the
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// width of a key in portrait mode, as most layouts have 10 columns.
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// Multipled by the DPI ratio because most swipes are made in the diagonals.
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// The option value uses an unnamed scale where the baseline is around 25.
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float dpi_ratio = Math.max(dm.xdpi, dm.ydpi) / Math.min(dm.xdpi, dm.ydpi);
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float swipe_scaling = Math.min(dm.widthPixels, dm.heightPixels) / 10.f * dpi_ratio;
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float swipe_dist_value = Float.valueOf(_prefs.getString("swipe_dist", "15"));
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swipe_dist_px = swipe_dist_value / 25.f * swipe_scaling;
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slide_step_px = swipe_dist_px / 4.f;
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vibration_behavior =
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VibratorCompat.VibrationBehavior.of_string(_prefs.getString("vibration_behavior", "system"));
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longPressTimeout = _prefs.getInt("longpress_timeout", 600);
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longPressInterval = _prefs.getInt("longpress_interval", 65);
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margin_bottom = get_dip_pref_oriented(dm, "margin_bottom", 7, 3);
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keyVerticalInterval = get_dip_pref(dm, "key_vertical_space", 2);
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keyHorizontalInterval = get_dip_pref(dm, "key_horizontal_space", 2) * horizontalIntervalScale;
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// Label brightness is used as the alpha channel
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labelBrightness = _prefs.getInt("label_brightness", 100) * 255 / 100;
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// Keyboard opacity
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keyboardOpacity = _prefs.getInt("keyboard_opacity", 100) * 255 / 100;
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keyOpacity = _prefs.getInt("key_opacity", 100) * 255 / 100;
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keyActivatedOpacity = _prefs.getInt("key_activated_opacity", 100) * 255 / 100;
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// Do not substract keyVerticalInterval from keyHeight because this is done
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// during rendered.
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keyHeight = dm.heightPixels * keyboardHeightPercent / 100 / 4;
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horizontal_margin =
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get_dip_pref_oriented(dm, "horizontal_margin", 3, 28);
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double_tap_lock_shift = _prefs.getBoolean("lock_double_tap", false);
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characterSize =
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_prefs.getFloat("character_size", 1.f)
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* characterSizeScale;
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theme = getThemeId(res, _prefs.getString("theme", ""));
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autocapitalisation = _prefs.getBoolean("autocapitalisation", true);
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switch_input_immediate = _prefs.getBoolean("switch_input_immediate", false);
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extra_keys_param = ExtraKeysPreference.get_extra_keys(_prefs);
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extra_keys_custom = CustomExtraKeysPreference.get(_prefs);
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pin_entry_enabled = _prefs.getBoolean("pin_entry_enabled", true);
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current_layout = _prefs.getInt("current_layout", 0);
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}
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public void set_current_layout(int l)
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{
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current_layout = l;
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SharedPreferences.Editor e = _prefs.edit();
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e.putInt("current_layout", l);
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e.apply();
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}
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KeyValue action_key()
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{
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// Update the name to avoid caching in KeyModifier
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return (actionLabel == null) ? null :
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KeyValue.getKeyByName("action").withSymbol(actionLabel);
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}
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/** Update the layout according to the configuration.
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* - Remove the switching key if it isn't needed
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* - Remove "localized" keys from other locales (not in 'extra_keys')
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* - Replace the action key to show the right label
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* - Swap the enter and action keys
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* - Add the optional numpad and number row
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* - Add the extra keys
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*/
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public KeyboardData modify_layout(KeyboardData kw)
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{
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final KeyValue action_key = action_key();
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// Extra keys are removed from the set as they are encountered during the
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// first iteration then automatically added.
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final Map<KeyValue, KeyboardData.PreferredPos> extra_keys = new HashMap<KeyValue, KeyboardData.PreferredPos>();
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final Set<KeyValue> remove_keys = new HashSet<KeyValue>();
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extra_keys.putAll(extra_keys_param);
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extra_keys.putAll(extra_keys_custom);
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if (extra_keys_subtype != null)
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{
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Set<KeyValue> present = new HashSet<KeyValue>();
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present.addAll(kw.getKeys().keySet());
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present.addAll(extra_keys_param.keySet());
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present.addAll(extra_keys_custom.keySet());
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extra_keys_subtype.compute(extra_keys,
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new ExtraKeys.Query(kw.script, present));
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}
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boolean number_row = this.number_row && !show_numpad;
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if (number_row)
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remove_keys.addAll(KeyboardData.number_row.getKeys(0).keySet());
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kw = kw.mapKeys(new KeyboardData.MapKeyValues() {
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public KeyValue apply(KeyValue key, boolean localized)
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{
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boolean is_extra_key = extra_keys.containsKey(key);
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if (is_extra_key)
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extra_keys.remove(key);
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if (localized && !is_extra_key)
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return null;
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if (remove_keys.contains(key))
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return null;
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switch (key.getKind())
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{
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case Event:
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switch (key.getEvent())
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{
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case CHANGE_METHOD:
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if (!shouldOfferSwitchingToNextInputMethod)
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return null;
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if (switch_input_immediate)
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return KeyValue.getKeyByName("change_method_prev");
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return key;
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case ACTION:
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return (swapEnterActionKey && action_key != null) ?
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KeyValue.getKeyByName("enter") : action_key;
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case SWITCH_FORWARD:
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return (layouts.size() > 1) ? key : null;
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case SWITCH_BACKWARD:
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return (layouts.size() > 2) ? key : null;
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case SWITCH_VOICE_TYPING:
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return shouldOfferVoiceTyping ? key : null;
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}
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break;
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case Keyevent:
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switch (key.getKeyevent())
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{
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case KeyEvent.KEYCODE_ENTER:
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return (swapEnterActionKey && action_key != null) ? action_key : key;
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}
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break;
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case Modifier:
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switch (key.getModifier())
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{
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case SHIFT:
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if (double_tap_lock_shift)
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return key.withFlags(key.getFlags() | KeyValue.FLAG_LOCK);
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}
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break;
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}
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return key;
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}
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});
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if (show_numpad)
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kw = kw.addNumPad(modify_numpad(KeyboardData.num_pad, kw.script));
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if (number_row)
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kw = kw.addNumberRow();
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if (extra_keys.size() > 0)
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kw = kw.addExtraKeys(extra_keys.entrySet().iterator());
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return kw;
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}
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/**
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* Handle the numpad layout.
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*/
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public KeyboardData modify_numpad(KeyboardData kw, String script)
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{
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final KeyValue action_key = action_key();
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final KeyModifier.Map_char map_digit = KeyModifier.modify_numpad_script(script);
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return kw.mapKeys(new KeyboardData.MapKeyValues() {
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public KeyValue apply(KeyValue key, boolean localized)
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{
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switch (key.getKind())
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{
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case Event:
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switch (key.getEvent())
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{
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case ACTION:
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return (swapEnterActionKey && action_key != null) ?
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KeyValue.getKeyByName("enter") : action_key;
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}
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break;
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case Keyevent:
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switch (key.getKeyevent())
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{
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case KeyEvent.KEYCODE_ENTER:
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return (swapEnterActionKey && action_key != null) ? action_key : key;
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}
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break;
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case Char:
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char prev_c = key.getChar();
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char c = prev_c;
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if (inverse_numpad)
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c = inverse_numpad_char(c);
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String modified = map_digit.apply(c);
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if (modified != null) // Was modified by script
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return key.withSymbol(modified);
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if (prev_c != c) // Was inverted
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return key.withChar(c);
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break;
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}
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return key;
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}
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});
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}
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private float get_dip_pref(DisplayMetrics dm, String pref_name, float def)
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{
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float value;
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try { value = _prefs.getInt(pref_name, -1); }
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catch (Exception e) { value = _prefs.getFloat(pref_name, -1f); }
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if (value < 0f)
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value = def;
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return (TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, value, dm));
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}
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/** [get_dip_pref] depending on orientation. */
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float get_dip_pref_oriented(DisplayMetrics dm, String pref_base_name, float def_port, float def_land)
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{
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String suffix = orientation_landscape ? "_landscape" : "_portrait";
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float def = orientation_landscape ? def_land : def_port;
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return get_dip_pref(dm, pref_base_name + suffix, def);
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}
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private int getThemeId(Resources res, String theme_name)
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{
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switch (theme_name)
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{
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case "light": return R.style.Light;
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case "black": return R.style.Black;
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case "altblack": return R.style.AltBlack;
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case "dark": return R.style.Dark;
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case "white": return R.style.White;
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case "epaper": return R.style.ePaper;
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case "desert": return R.style.Desert;
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case "jungle": return R.style.Jungle;
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default:
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case "system":
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if (Build.VERSION.SDK_INT >= 8)
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{
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int night_mode = res.getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
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if ((night_mode & Configuration.UI_MODE_NIGHT_NO) != 0)
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return R.style.Light;
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}
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return R.style.Dark;
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}
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}
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char inverse_numpad_char(char c)
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{
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switch (c)
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{
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case '7': return '1';
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case '8': return '2';
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case '9': return '3';
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case '1': return '7';
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case '2': return '8';
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case '3': return '9';
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default: return c;
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}
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}
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private static Config _globalConfig = null;
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public static void initGlobalConfig(SharedPreferences prefs, Resources res,
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IKeyEventHandler handler)
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{
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migrate(prefs);
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_globalConfig = new Config(prefs, res, handler);
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}
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public static Config globalConfig()
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{
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return _globalConfig;
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}
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public static interface IKeyEventHandler
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{
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public void key_down(KeyValue value, boolean is_swipe);
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public void key_up(KeyValue value, Pointers.Modifiers flags);
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}
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/** Config migrations. */
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private static int CONFIG_VERSION = 1;
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public static void migrate(SharedPreferences prefs)
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{
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int saved_version = prefs.getInt("version", 0);
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Logs.debug_config_migration(saved_version, CONFIG_VERSION);
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if (saved_version == CONFIG_VERSION)
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return;
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SharedPreferences.Editor e = prefs.edit();
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e.putInt("version", CONFIG_VERSION);
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// Migrations might run on an empty [prefs] for new installs, in this case
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// they set the default values of complex options.
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switch (saved_version) // Fallback switch
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{
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case 0:
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// Primary, secondary and custom layout options are merged into the new
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// Layouts option. This also sets the default value.
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List<LayoutsPreference.Layout> l = new ArrayList<LayoutsPreference.Layout>();
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l.add(migrate_layout(prefs.getString("layout", "system")));
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String snd_layout = prefs.getString("second_layout", "none");
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if (snd_layout != null && !snd_layout.equals("none"))
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l.add(migrate_layout(snd_layout));
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String custom_layout = prefs.getString("custom_layout", "");
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if (custom_layout != null && !custom_layout.equals(""))
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l.add(new LayoutsPreference.CustomLayout(custom_layout));
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LayoutsPreference.save_to_preferences(e, l);
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case 1:
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default: break;
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}
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e.commit();
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}
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private static LayoutsPreference.Layout migrate_layout(String name)
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{
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if (name == null || name.equals("system"))
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return new LayoutsPreference.SystemLayout();
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return new LayoutsPreference.NamedLayout(name);
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}
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}
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