forked from extern/Unexpected-Keyboard
fc8bb3a539
In Turkish, upper case of 'iı' is 'İI' but Java's toUpperCase will return 'II'. To make 'İ' accessible, make it the shift of 'ı'. This has the inconvenient of swapping i and ı on the keyboard.
521 lines
15 KiB
Java
521 lines
15 KiB
Java
package juloo.keyboard2;
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import android.view.KeyCharacterMap;
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import android.view.KeyEvent;
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import java.util.HashMap;
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class KeyModifier
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{
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/** Cache key is KeyValue's name */
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private static HashMap<KeyValue, HashMap<Pointers.Modifiers, KeyValue>> _cache =
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new HashMap<KeyValue, HashMap<Pointers.Modifiers, KeyValue>>();
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/** Modify a key according to modifiers. */
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public static KeyValue modify(KeyValue k, Pointers.Modifiers mods)
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{
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if (k == null)
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return null;
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int n_mods = mods.size();
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HashMap<Pointers.Modifiers, KeyValue> ks = cacheEntry(k);
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KeyValue r = ks.get(mods);
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if (r == null)
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{
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r = k;
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/* Order: Fn, Shift, accents */
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for (int i = 0; i < n_mods; i++)
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r = modify(r, mods.get(i));
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ks.put(mods, r);
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}
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/* Keys with an empty string are placeholder keys. */
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return (r.getString().length() == 0) ? null : r;
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}
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public static KeyValue modify(KeyValue k, KeyValue.Modifier mod)
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{
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switch (mod)
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{
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case CTRL:
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case ALT:
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case META: return turn_into_keyevent(k);
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case FN: return apply_fn(k);
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case SHIFT: return apply_shift(k);
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case GRAVE: return apply_dead_char(k, '\u02CB');
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case AIGU: return apply_dead_char(k, '\u00B4');
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case CIRCONFLEXE: return apply_dead_char(k, '\u02C6');
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case TILDE: return apply_dead_char(k, '\u02DC');
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case CEDILLE: return apply_dead_char(k, '\u00B8');
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case TREMA: return apply_dead_char(k, '\u00A8');
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case CARON: return apply_dead_char(k, '\u02C7');
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case RING: return apply_dead_char(k, '\u02DA');
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case MACRON: return apply_dead_char(k, '\u00AF');
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case OGONEK: return apply_dead_char(k, '\u02DB');
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case DOT_ABOVE: return apply_dead_char(k, '\u02D9');
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case DOUBLE_AIGU: return apply_map_char(k, map_char_double_aigu);
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case ORDINAL: return apply_map_char(k, map_char_ordinal);
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case SUPERSCRIPT: return apply_map_char(k, map_char_superscript);
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case SUBSCRIPT: return apply_map_char(k, map_char_subscript);
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case ARROWS: return apply_map_char(k, map_char_arrows);
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case BOX: return apply_map_char(k, map_char_box);
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case SLASH: return apply_map_char(k, map_char_slash);
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case ARROW_RIGHT: return apply_combining(k, "\u20D7");
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default: return k;
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}
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}
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private static KeyValue apply_map_char(KeyValue k, Map_char map)
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{
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switch (k.getKind())
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{
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case Char:
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char kc = k.getChar();
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char c = map.apply(kc);
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return (kc == c) ? k : k.withChar(c);
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default: return k;
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}
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}
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private static KeyValue apply_dead_char(KeyValue k, char dead_char)
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{
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switch (k.getKind())
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{
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case Char:
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char kc = k.getChar();
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char c = (char)KeyCharacterMap.getDeadChar(dead_char, kc);
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return (c == 0 || kc == c) ? k : k.withChar(c);
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default: return k;
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}
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}
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private static KeyValue apply_combining(KeyValue k, String combining)
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{
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switch (k.getKind())
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{
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case Char:
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return k.withString(String.valueOf(k.getChar()) + combining);
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default: return k;
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}
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}
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private static KeyValue apply_shift(KeyValue k)
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{
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switch (k.getKind())
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{
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case Char:
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char kc = k.getChar();
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char c = map_char_shift(kc);
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if (kc == c)
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c = Character.toUpperCase(kc);
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return (kc == c) ? k : k.withChar(c);
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case String:
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return k.withString(k.getString().toUpperCase());
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default: return k;
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}
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}
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private static KeyValue apply_fn(KeyValue k)
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{
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String name = null;
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switch (k.getKind())
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{
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case Char: name = apply_fn_char(k.getChar()); break;
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case Keyevent: name = apply_fn_keyevent(k.getKeyevent()); break;
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case Event: name = apply_fn_event(k.getEvent()); break;
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case String:
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switch (k.getString())
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{
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case "":
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if (k == KeyValue.getKeyByName("f11_placeholder"))
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name = "f11";
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else if (k == KeyValue.getKeyByName("f12_placeholder"))
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name = "f12";
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break;
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}
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break;
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}
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return (name == null) ? k : KeyValue.getKeyByName(name);
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}
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private static String apply_fn_keyevent(int code)
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{
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switch (code)
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{
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case KeyEvent.KEYCODE_DPAD_UP: return "page_up";
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case KeyEvent.KEYCODE_DPAD_DOWN: return "page_down";
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case KeyEvent.KEYCODE_DPAD_LEFT: return "home";
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case KeyEvent.KEYCODE_DPAD_RIGHT: return "end";
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case KeyEvent.KEYCODE_ESCAPE: return "insert";
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default: return null;
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}
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}
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private static String apply_fn_event(KeyValue.Event ev)
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{
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switch (ev)
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{
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case SWITCH_NUMERIC: return "switch_greekmath";
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default: return null;
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}
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}
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/** Return the name of modified key, or [null]. */
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private static String apply_fn_char(char c)
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{
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switch (c)
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{
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case '1': return "f1";
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case '2': return "f2";
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case '3': return "f3";
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case '4': return "f4";
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case '5': return "f5";
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case '6': return "f6";
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case '7': return "f7";
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case '8': return "f8";
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case '9': return "f9";
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case '0': return "f10";
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case '<': return "«";
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case '>': return "»";
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case '{': return "‹";
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case '}': return "›";
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case '[': return "‘";
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case ']': return "’";
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case '(': return "“";
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case ')': return "”";
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case '\'': return "‚";
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case '"': return "„";
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case '-': return "–";
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case '_': return "—";
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case '^': return "¬";
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case '%': return "‰";
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case '=': return "≈";
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case 'u': return "µ";
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case 'a': return "æ";
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case 'o': return "œ";
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case '*': return "°";
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case '.': return "…";
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case ',': return "·";
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case '!': return "¡";
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case '?': return "¿";
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// arrows
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case '↖': return "⇖";
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case '↑': return "⇑";
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case '↗': return "⇗";
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case '←': return "⇐";
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case '→': return "⇒";
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case '↙': return "⇙";
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case '↓': return "⇓";
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case '↘': return "⇘";
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case '↔': return "⇔";
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case '↕': return "⇕";
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// Currency symbols
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case 'e': return "€";
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case 'l': return "£";
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case 'r': return "₹";
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case 'y': return "¥";
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case 'c': return "¢";
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case 'p': return "₱";
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case '€': case '£': return "removed"; // Avoid showing these twice
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// alternating greek letters
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case 'π': return "ϖ";
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case 'θ': return "ϑ";
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case 'Θ': return "ϴ";
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case 'ε': return "ϵ";
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case 'β': return "ϐ";
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case 'ρ': return "ϱ";
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case 'σ': return "ς";
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case 'γ': return "ɣ";
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case 'φ': return "ϕ";
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case 'υ': return "ϒ";
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case 'κ': return "ϰ";
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// alternating math characters
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case '∪': return "⋃";
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case '∩': return "⋂";
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case '∃': return "∄";
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case '∈': return "∉";
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case '∫': return "∮";
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case 'Π': return "∏";
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case 'Σ': return "∑";
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case '∨': return "⋁";
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case '∧': return "⋀";
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case '⊷': return "⊶";
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case '⊂': return "⊆";
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case '⊃': return "⊇";
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case '±': return "∓";
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// other
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case '\t': return "\\t";
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case ' ': return "nbsp";
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default: return null;
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}
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}
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private static KeyValue turn_into_keyevent(KeyValue k)
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{
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if (k.getKind() != KeyValue.Kind.Char)
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return k;
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int e;
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switch (k.getChar())
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{
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case 'a': e = KeyEvent.KEYCODE_A; break;
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case 'b': e = KeyEvent.KEYCODE_B; break;
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case 'c': e = KeyEvent.KEYCODE_C; break;
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case 'd': e = KeyEvent.KEYCODE_D; break;
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case 'e': e = KeyEvent.KEYCODE_E; break;
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case 'f': e = KeyEvent.KEYCODE_F; break;
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case 'g': e = KeyEvent.KEYCODE_G; break;
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case 'h': e = KeyEvent.KEYCODE_H; break;
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case 'i': e = KeyEvent.KEYCODE_I; break;
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case 'j': e = KeyEvent.KEYCODE_J; break;
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case 'k': e = KeyEvent.KEYCODE_K; break;
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case 'l': e = KeyEvent.KEYCODE_L; break;
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case 'm': e = KeyEvent.KEYCODE_M; break;
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case 'n': e = KeyEvent.KEYCODE_N; break;
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case 'o': e = KeyEvent.KEYCODE_O; break;
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case 'p': e = KeyEvent.KEYCODE_P; break;
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case 'q': e = KeyEvent.KEYCODE_Q; break;
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case 'r': e = KeyEvent.KEYCODE_R; break;
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case 's': e = KeyEvent.KEYCODE_S; break;
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case 't': e = KeyEvent.KEYCODE_T; break;
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case 'u': e = KeyEvent.KEYCODE_U; break;
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case 'v': e = KeyEvent.KEYCODE_V; break;
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case 'w': e = KeyEvent.KEYCODE_W; break;
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case 'x': e = KeyEvent.KEYCODE_X; break;
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case 'y': e = KeyEvent.KEYCODE_Y; break;
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case 'z': e = KeyEvent.KEYCODE_Z; break;
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case '0': e = KeyEvent.KEYCODE_0; break;
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case '1': e = KeyEvent.KEYCODE_1; break;
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case '2': e = KeyEvent.KEYCODE_2; break;
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case '3': e = KeyEvent.KEYCODE_3; break;
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case '4': e = KeyEvent.KEYCODE_4; break;
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case '5': e = KeyEvent.KEYCODE_5; break;
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case '6': e = KeyEvent.KEYCODE_6; break;
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case '7': e = KeyEvent.KEYCODE_7; break;
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case '8': e = KeyEvent.KEYCODE_8; break;
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case '9': e = KeyEvent.KEYCODE_9; break;
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case '`': e = KeyEvent.KEYCODE_GRAVE; break;
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case '-': e = KeyEvent.KEYCODE_MINUS; break;
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case '=': e = KeyEvent.KEYCODE_EQUALS; break;
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case '[': e = KeyEvent.KEYCODE_LEFT_BRACKET; break;
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case ']': e = KeyEvent.KEYCODE_RIGHT_BRACKET; break;
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case '\\': e = KeyEvent.KEYCODE_BACKSLASH; break;
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case ';': e = KeyEvent.KEYCODE_SEMICOLON; break;
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case '\'': e = KeyEvent.KEYCODE_APOSTROPHE; break;
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case '/': e = KeyEvent.KEYCODE_SLASH; break;
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case '@': e = KeyEvent.KEYCODE_AT; break;
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case '+': e = KeyEvent.KEYCODE_PLUS; break;
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case ',': e = KeyEvent.KEYCODE_COMMA; break;
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case '.': e = KeyEvent.KEYCODE_PERIOD; break;
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case '*': e = KeyEvent.KEYCODE_STAR; break;
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case '#': e = KeyEvent.KEYCODE_POUND; break;
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case '(': e = KeyEvent.KEYCODE_NUMPAD_LEFT_PAREN; break;
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case ')': e = KeyEvent.KEYCODE_NUMPAD_RIGHT_PAREN; break;
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case ' ': e = KeyEvent.KEYCODE_SPACE; break;
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default: return k;
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}
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return k.withKeyevent(e);
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}
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/* Lookup the cache entry for a key. Create it needed. */
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private static HashMap<Pointers.Modifiers, KeyValue> cacheEntry(KeyValue k)
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{
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HashMap<Pointers.Modifiers, KeyValue> ks = _cache.get(k);
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if (ks == null)
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{
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ks = new HashMap<Pointers.Modifiers, KeyValue>();
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_cache.put(k, ks);
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}
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return ks;
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}
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private static abstract class Map_char
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{
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public abstract char apply(char c);
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}
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private static char map_char_shift(char c)
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{
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switch (c)
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{
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case '↙': return '⇙';
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case '↓': return '⇓';
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case '↘': return '⇘';
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case '←': return '⇐';
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case '→': return '⇒';
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case '↖': return '⇖';
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case '↑': return '⇑';
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case '↗': return '⇗';
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case '└': return '╚';
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case '┴': return '╩';
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case '┘': return '╝';
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case '├': return '╠';
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case '┼': return '╬';
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case '┤': return '╣';
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case '┌': return '╔';
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case '┬': return '╦';
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case '┐': return '╗';
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case '─': return '═';
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case '│': return '║';
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case 'ß': return 'ẞ';
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/* In Turkish, upper case of 'iı' is 'İI' but Java's toUpperCase will
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return 'II'. To make 'İ' accessible, make it the shift of 'ı'. This
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has the inconvenient of swapping i and ı on the keyboard. */
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case 'ı': return 'İ';
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default: return c;
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}
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}
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private static final Map_char map_char_double_aigu =
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new Map_char() {
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public char apply(char c)
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{
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switch (c)
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{
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// Composite characters: a̋ e̋ i̋ m̋ ӳ
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case 'o': return 'ő';
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case 'u': return 'ű';
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case ' ': return '˝';
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default: return c;
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}
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}
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};
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private static final Map_char map_char_ordinal =
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new Map_char() {
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public char apply(char c)
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{
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switch (c)
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{
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case 'a': return 'ª';
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case 'o': return 'º';
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case '1': return 'ª';
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case '2': return 'º';
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case '3': return 'ⁿ';
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case '4': return 'ᵈ';
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case '5': return 'ᵉ';
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case '6': return 'ʳ';
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case '7': return 'ˢ';
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case '8': return 'ᵗ';
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case '9': return 'ʰ';
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case '*': return '°';
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default: return c;
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}
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}
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};
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private static final Map_char map_char_superscript =
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new Map_char() {
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public char apply(char c)
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{
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switch (c)
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{
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case '1': return '¹';
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case '2': return '²';
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case '3': return '³';
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case '4': return '⁴';
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case '5': return '⁵';
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case '6': return '⁶';
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case '7': return '⁷';
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case '8': return '⁸';
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case '9': return '⁹';
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case '0': return '⁰';
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case 'i': return 'ⁱ';
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case '+': return '⁺';
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case '-': return '⁻';
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case '=': return '⁼';
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case '(': return '⁽';
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case ')': return '⁾';
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case 'n': return 'ⁿ';
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default: return c;
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}
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}
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};
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private static final Map_char map_char_subscript =
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new Map_char() {
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public char apply(char c)
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{
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switch (c)
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{
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case '1': return '₁';
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case '2': return '₂';
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case '3': return '₃';
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case '4': return '₄';
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case '5': return '₅';
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case '6': return '₆';
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case '7': return '₇';
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case '8': return '₈';
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case '9': return '₉';
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case '0': return '₀';
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case '+': return '₊';
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case '-': return '₋';
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case '=': return '₌';
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case '(': return '₍';
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case ')': return '₎';
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case 'e': return 'ₑ';
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case 'a': return 'ₐ';
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case 'x': return 'ₓ';
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case 'o': return 'ₒ';
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default: return c;
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}
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}
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};
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private static final Map_char map_char_arrows =
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new Map_char() {
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public char apply(char c)
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{
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switch (c)
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{
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case '1': return '↙';
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case '2': return '↓';
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case '3': return '↘';
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case '4': return '←';
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case '6': return '→';
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case '7': return '↖';
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case '8': return '↑';
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case '9': return '↗';
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default: return c;
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}
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}
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};
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private static final Map_char map_char_box =
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new Map_char() {
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public char apply(char c)
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{
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switch (c)
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{
|
||
case '1': return '└';
|
||
case '2': return '┴';
|
||
case '3': return '┘';
|
||
case '4': return '├';
|
||
case '5': return '┼';
|
||
case '6': return '┤';
|
||
case '7': return '┌';
|
||
case '8': return '┬';
|
||
case '9': return '┐';
|
||
case '0': return '─';
|
||
case '.': return '│';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
|
||
private static final Map_char map_char_slash =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 'a': return 'ⱥ';
|
||
case 'c': return 'ȼ';
|
||
case 'e': return 'ɇ';
|
||
case 'g': return 'ꞡ';
|
||
case 'l': return 'ł';
|
||
case 'n': return 'ꞥ';
|
||
case 'o': return 'ø';
|
||
case ' ': return '/';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
}
|