forked from extern/Unexpected-Keyboard
574 lines
17 KiB
Java
574 lines
17 KiB
Java
package juloo.keyboard2;
|
||
|
||
import android.view.KeyCharacterMap;
|
||
import android.view.KeyEvent;
|
||
import java.util.HashMap;
|
||
|
||
class KeyModifier
|
||
{
|
||
/** Cache key is KeyValue's name */
|
||
private static HashMap<KeyValue, HashMap<Pointers.Modifiers, KeyValue>> _cache =
|
||
new HashMap<KeyValue, HashMap<Pointers.Modifiers, KeyValue>>();
|
||
|
||
/** Modify a key according to modifiers. */
|
||
public static KeyValue modify(KeyValue k, Pointers.Modifiers mods)
|
||
{
|
||
if (k == null)
|
||
return null;
|
||
int n_mods = mods.size();
|
||
HashMap<Pointers.Modifiers, KeyValue> ks = cacheEntry(k);
|
||
KeyValue r = ks.get(mods);
|
||
if (r == null)
|
||
{
|
||
r = k;
|
||
/* Order: Fn, Shift, accents */
|
||
for (int i = 0; i < n_mods; i++)
|
||
r = modify(r, mods.get(i));
|
||
ks.put(mods, r);
|
||
}
|
||
/* Keys with an empty string are placeholder keys. */
|
||
return (r.getString().length() == 0) ? null : r;
|
||
}
|
||
|
||
public static KeyValue modify(KeyValue k, KeyValue.Modifier mod)
|
||
{
|
||
switch (mod)
|
||
{
|
||
case CTRL:
|
||
case ALT:
|
||
case META: return turn_into_keyevent(k);
|
||
case FN: return apply_fn(k);
|
||
case SHIFT: return apply_shift(k);
|
||
case GRAVE: return apply_dead_char(k, '\u02CB');
|
||
case AIGU: return apply_dead_char(k, '\u00B4');
|
||
case CIRCONFLEXE: return apply_dead_char(k, '\u02C6');
|
||
case TILDE: return apply_dead_char(k, '\u02DC');
|
||
case CEDILLE: return apply_dead_char(k, '\u00B8');
|
||
case TREMA: return apply_dead_char(k, '\u00A8');
|
||
case CARON: return apply_dead_char(k, '\u02C7');
|
||
case RING: return apply_dead_char(k, '\u02DA');
|
||
case MACRON: return apply_dead_char(k, '\u00AF');
|
||
case OGONEK: return apply_dead_char(k, '\u02DB');
|
||
case DOT_ABOVE: return apply_dead_char(k, '\u02D9');
|
||
case BREVE: return apply_dead_char(k, '\u02D8');
|
||
case DOUBLE_AIGU: return apply_map_char(k, map_char_double_aigu);
|
||
case ORDINAL: return apply_map_char(k, map_char_ordinal);
|
||
case SUPERSCRIPT: return apply_map_char(k, map_char_superscript);
|
||
case SUBSCRIPT: return apply_map_char(k, map_char_subscript);
|
||
case ARROWS: return apply_map_char(k, map_char_arrows);
|
||
case BOX: return apply_map_char(k, map_char_box);
|
||
case SLASH: return apply_map_char(k, map_char_slash);
|
||
case BAR: return apply_map_char(k, map_char_bar);
|
||
case ARROW_RIGHT: return apply_combining(k, "\u20D7");
|
||
default: return k;
|
||
}
|
||
}
|
||
|
||
private static KeyValue apply_map_char(KeyValue k, Map_char map)
|
||
{
|
||
switch (k.getKind())
|
||
{
|
||
case Char:
|
||
char kc = k.getChar();
|
||
char c = map.apply(kc);
|
||
return (kc == c) ? k : k.withChar(c);
|
||
default: return k;
|
||
}
|
||
}
|
||
|
||
private static KeyValue apply_dead_char(KeyValue k, char dead_char)
|
||
{
|
||
switch (k.getKind())
|
||
{
|
||
case Char:
|
||
char kc = k.getChar();
|
||
char c = (char)KeyCharacterMap.getDeadChar(dead_char, kc);
|
||
return (c == 0 || kc == c) ? k : k.withChar(c);
|
||
default: return k;
|
||
}
|
||
}
|
||
|
||
private static KeyValue apply_combining(KeyValue k, String combining)
|
||
{
|
||
switch (k.getKind())
|
||
{
|
||
case Char:
|
||
return k.withString(String.valueOf(k.getChar()) + combining);
|
||
default: return k;
|
||
}
|
||
}
|
||
|
||
private static KeyValue apply_shift(KeyValue k)
|
||
{
|
||
switch (k.getKind())
|
||
{
|
||
case Char:
|
||
char kc = k.getChar();
|
||
char c = map_char_shift(kc);
|
||
if (kc == c)
|
||
c = Character.toUpperCase(kc);
|
||
return (kc == c) ? k : k.withChar(c);
|
||
case String:
|
||
return k.withString(k.getString().toUpperCase());
|
||
default: return k;
|
||
}
|
||
}
|
||
|
||
private static KeyValue apply_fn(KeyValue k)
|
||
{
|
||
String name = null;
|
||
switch (k.getKind())
|
||
{
|
||
case Char: name = apply_fn_char(k.getChar()); break;
|
||
case Keyevent: name = apply_fn_keyevent(k.getKeyevent()); break;
|
||
case Event: name = apply_fn_event(k.getEvent()); break;
|
||
case Placeholder: name = apply_fn_placeholder(k.getPlaceholder()); break;
|
||
}
|
||
return (name == null) ? k : KeyValue.getKeyByName(name);
|
||
}
|
||
|
||
private static String apply_fn_keyevent(int code)
|
||
{
|
||
switch (code)
|
||
{
|
||
case KeyEvent.KEYCODE_DPAD_UP: return "page_up";
|
||
case KeyEvent.KEYCODE_DPAD_DOWN: return "page_down";
|
||
case KeyEvent.KEYCODE_DPAD_LEFT: return "home";
|
||
case KeyEvent.KEYCODE_DPAD_RIGHT: return "end";
|
||
case KeyEvent.KEYCODE_ESCAPE: return "insert";
|
||
case KeyEvent.KEYCODE_TAB: return "\\t";
|
||
default: return null;
|
||
}
|
||
}
|
||
|
||
private static String apply_fn_event(KeyValue.Event ev)
|
||
{
|
||
switch (ev)
|
||
{
|
||
case SWITCH_NUMERIC: return "switch_greekmath";
|
||
default: return null;
|
||
}
|
||
}
|
||
|
||
private static String apply_fn_placeholder(KeyValue.Placeholder p)
|
||
{
|
||
switch (p)
|
||
{
|
||
case F11: return "f11";
|
||
case F12: return "f12";
|
||
case SHINDOT: return "shindot";
|
||
case SINDOT: return "sindot";
|
||
case OLE: return "ole";
|
||
case METEG: return "meteg";
|
||
default: return null;
|
||
}
|
||
}
|
||
|
||
/** Return the name of modified key, or [null]. */
|
||
private static String apply_fn_char(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case '1': return "f1";
|
||
case '2': return "f2";
|
||
case '3': return "f3";
|
||
case '4': return "f4";
|
||
case '5': return "f5";
|
||
case '6': return "f6";
|
||
case '7': return "f7";
|
||
case '8': return "f8";
|
||
case '9': return "f9";
|
||
case '0': return "f10";
|
||
case '<': return "«";
|
||
case '>': return "»";
|
||
case '{': return "‹";
|
||
case '}': return "›";
|
||
case '[': return "‘";
|
||
case ']': return "’";
|
||
case '(': return "“";
|
||
case ')': return "”";
|
||
case '\'': return "‚";
|
||
case '"': return "„";
|
||
case '-': return "–";
|
||
case '_': return "—";
|
||
case '^': return "¬";
|
||
case '%': return "‰";
|
||
case '=': return "≈";
|
||
case 'u': return "µ";
|
||
case 'a': return "æ";
|
||
case 'o': return "œ";
|
||
case '*': return "°";
|
||
case '.': return "…";
|
||
case ',': return "·";
|
||
case '!': return "¡";
|
||
case '?': return "¿";
|
||
case '|': return "¦";
|
||
// arrows
|
||
case '↖': return "⇖";
|
||
case '↑': return "⇑";
|
||
case '↗': return "⇗";
|
||
case '←': return "⇐";
|
||
case '→': return "⇒";
|
||
case '↙': return "⇙";
|
||
case '↓': return "⇓";
|
||
case '↘': return "⇘";
|
||
case '↔': return "⇔";
|
||
case '↕': return "⇕";
|
||
// Currency symbols
|
||
case 'e': return "€";
|
||
case 'l': return "£";
|
||
case 'r': return "₹";
|
||
case 'y': return "¥";
|
||
case 'c': return "¢";
|
||
case 'p': return "₱";
|
||
case '€': case '£': return "removed"; // Avoid showing these twice
|
||
// alternating greek letters
|
||
case 'π': return "ϖ";
|
||
case 'θ': return "ϑ";
|
||
case 'Θ': return "ϴ";
|
||
case 'ε': return "ϵ";
|
||
case 'β': return "ϐ";
|
||
case 'ρ': return "ϱ";
|
||
case 'σ': return "ς";
|
||
case 'γ': return "ɣ";
|
||
case 'φ': return "ϕ";
|
||
case 'υ': return "ϒ";
|
||
case 'κ': return "ϰ";
|
||
// alternating math characters
|
||
case '∪': return "⋃";
|
||
case '∩': return "⋂";
|
||
case '∃': return "∄";
|
||
case '∈': return "∉";
|
||
case '∫': return "∮";
|
||
case 'Π': return "∏";
|
||
case 'Σ': return "∑";
|
||
case '∨': return "⋁";
|
||
case '∧': return "⋀";
|
||
case '⊷': return "⊶";
|
||
case '⊂': return "⊆";
|
||
case '⊃': return "⊇";
|
||
case '±': return "∓";
|
||
// hebrew niqqud
|
||
case 'ק': return "qamats"; // kamatz
|
||
case 'ר': return "hataf_qamats"; // reduced kamatz
|
||
case 'ו': return "holam";
|
||
case 'ם': return "rafe";
|
||
case 'פ': return "patah"; // patach
|
||
case 'ש': return "sheva";
|
||
case 'ד': return "dagesh"; // or mapiq
|
||
case 'ח': return "hiriq";
|
||
case 'ף': return "hataf_patah"; // reduced patach
|
||
case 'ז': return "qubuts"; // kubuts
|
||
case 'ס': return "segol";
|
||
case 'ב': return "hataf_segol"; // reduced segol
|
||
case 'צ': return "tsere";
|
||
// other
|
||
case ' ': return "nbsp";
|
||
default: return null;
|
||
}
|
||
}
|
||
|
||
private static KeyValue turn_into_keyevent(KeyValue k)
|
||
{
|
||
if (k.getKind() != KeyValue.Kind.Char)
|
||
return k;
|
||
int e;
|
||
switch (k.getChar())
|
||
{
|
||
case 'a': e = KeyEvent.KEYCODE_A; break;
|
||
case 'b': e = KeyEvent.KEYCODE_B; break;
|
||
case 'c': e = KeyEvent.KEYCODE_C; break;
|
||
case 'd': e = KeyEvent.KEYCODE_D; break;
|
||
case 'e': e = KeyEvent.KEYCODE_E; break;
|
||
case 'f': e = KeyEvent.KEYCODE_F; break;
|
||
case 'g': e = KeyEvent.KEYCODE_G; break;
|
||
case 'h': e = KeyEvent.KEYCODE_H; break;
|
||
case 'i': e = KeyEvent.KEYCODE_I; break;
|
||
case 'j': e = KeyEvent.KEYCODE_J; break;
|
||
case 'k': e = KeyEvent.KEYCODE_K; break;
|
||
case 'l': e = KeyEvent.KEYCODE_L; break;
|
||
case 'm': e = KeyEvent.KEYCODE_M; break;
|
||
case 'n': e = KeyEvent.KEYCODE_N; break;
|
||
case 'o': e = KeyEvent.KEYCODE_O; break;
|
||
case 'p': e = KeyEvent.KEYCODE_P; break;
|
||
case 'q': e = KeyEvent.KEYCODE_Q; break;
|
||
case 'r': e = KeyEvent.KEYCODE_R; break;
|
||
case 's': e = KeyEvent.KEYCODE_S; break;
|
||
case 't': e = KeyEvent.KEYCODE_T; break;
|
||
case 'u': e = KeyEvent.KEYCODE_U; break;
|
||
case 'v': e = KeyEvent.KEYCODE_V; break;
|
||
case 'w': e = KeyEvent.KEYCODE_W; break;
|
||
case 'x': e = KeyEvent.KEYCODE_X; break;
|
||
case 'y': e = KeyEvent.KEYCODE_Y; break;
|
||
case 'z': e = KeyEvent.KEYCODE_Z; break;
|
||
case '0': e = KeyEvent.KEYCODE_0; break;
|
||
case '1': e = KeyEvent.KEYCODE_1; break;
|
||
case '2': e = KeyEvent.KEYCODE_2; break;
|
||
case '3': e = KeyEvent.KEYCODE_3; break;
|
||
case '4': e = KeyEvent.KEYCODE_4; break;
|
||
case '5': e = KeyEvent.KEYCODE_5; break;
|
||
case '6': e = KeyEvent.KEYCODE_6; break;
|
||
case '7': e = KeyEvent.KEYCODE_7; break;
|
||
case '8': e = KeyEvent.KEYCODE_8; break;
|
||
case '9': e = KeyEvent.KEYCODE_9; break;
|
||
case '`': e = KeyEvent.KEYCODE_GRAVE; break;
|
||
case '-': e = KeyEvent.KEYCODE_MINUS; break;
|
||
case '=': e = KeyEvent.KEYCODE_EQUALS; break;
|
||
case '[': e = KeyEvent.KEYCODE_LEFT_BRACKET; break;
|
||
case ']': e = KeyEvent.KEYCODE_RIGHT_BRACKET; break;
|
||
case '\\': e = KeyEvent.KEYCODE_BACKSLASH; break;
|
||
case ';': e = KeyEvent.KEYCODE_SEMICOLON; break;
|
||
case '\'': e = KeyEvent.KEYCODE_APOSTROPHE; break;
|
||
case '/': e = KeyEvent.KEYCODE_SLASH; break;
|
||
case '@': e = KeyEvent.KEYCODE_AT; break;
|
||
case '+': e = KeyEvent.KEYCODE_PLUS; break;
|
||
case ',': e = KeyEvent.KEYCODE_COMMA; break;
|
||
case '.': e = KeyEvent.KEYCODE_PERIOD; break;
|
||
case '*': e = KeyEvent.KEYCODE_STAR; break;
|
||
case '#': e = KeyEvent.KEYCODE_POUND; break;
|
||
case '(': e = KeyEvent.KEYCODE_NUMPAD_LEFT_PAREN; break;
|
||
case ')': e = KeyEvent.KEYCODE_NUMPAD_RIGHT_PAREN; break;
|
||
case ' ': e = KeyEvent.KEYCODE_SPACE; break;
|
||
default: return k;
|
||
}
|
||
return k.withKeyevent(e);
|
||
}
|
||
|
||
/* Lookup the cache entry for a key. Create it needed. */
|
||
private static HashMap<Pointers.Modifiers, KeyValue> cacheEntry(KeyValue k)
|
||
{
|
||
HashMap<Pointers.Modifiers, KeyValue> ks = _cache.get(k);
|
||
if (ks == null)
|
||
{
|
||
ks = new HashMap<Pointers.Modifiers, KeyValue>();
|
||
_cache.put(k, ks);
|
||
}
|
||
return ks;
|
||
}
|
||
|
||
private static abstract class Map_char
|
||
{
|
||
public abstract char apply(char c);
|
||
}
|
||
|
||
private static char map_char_shift(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case '↙': return '⇙';
|
||
case '↓': return '⇓';
|
||
case '↘': return '⇘';
|
||
case '←': return '⇐';
|
||
case '→': return '⇒';
|
||
case '↖': return '⇖';
|
||
case '↑': return '⇑';
|
||
case '↗': return '⇗';
|
||
case '└': return '╚';
|
||
case '┴': return '╩';
|
||
case '┘': return '╝';
|
||
case '├': return '╠';
|
||
case '┼': return '╬';
|
||
case '┤': return '╣';
|
||
case '┌': return '╔';
|
||
case '┬': return '╦';
|
||
case '┐': return '╗';
|
||
case '─': return '═';
|
||
case '│': return '║';
|
||
case 'ß': return 'ẞ';
|
||
/* 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. */
|
||
case 'ı': return 'İ';
|
||
case '₹': return '₨';
|
||
default: return c;
|
||
}
|
||
}
|
||
|
||
private static final Map_char map_char_double_aigu =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
// Composite characters: a̋ e̋ i̋ m̋ ӳ
|
||
case 'o': return 'ő';
|
||
case 'u': return 'ű';
|
||
case ' ': return '˝';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
|
||
private static final Map_char map_char_ordinal =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 'a': return 'ª';
|
||
case 'o': return 'º';
|
||
case '1': return 'ª';
|
||
case '2': return 'º';
|
||
case '3': return 'ⁿ';
|
||
case '4': return 'ᵈ';
|
||
case '5': return 'ᵉ';
|
||
case '6': return 'ʳ';
|
||
case '7': return 'ˢ';
|
||
case '8': return 'ᵗ';
|
||
case '9': return 'ʰ';
|
||
case '*': return '°';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
|
||
private static final Map_char map_char_superscript =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case '1': return '¹';
|
||
case '2': return '²';
|
||
case '3': return '³';
|
||
case '4': return '⁴';
|
||
case '5': return '⁵';
|
||
case '6': return '⁶';
|
||
case '7': return '⁷';
|
||
case '8': return '⁸';
|
||
case '9': return '⁹';
|
||
case '0': return '⁰';
|
||
case 'i': return 'ⁱ';
|
||
case '+': return '⁺';
|
||
case '-': return '⁻';
|
||
case '=': return '⁼';
|
||
case '(': return '⁽';
|
||
case ')': return '⁾';
|
||
case 'n': return 'ⁿ';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
|
||
private static final Map_char map_char_subscript =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case '1': return '₁';
|
||
case '2': return '₂';
|
||
case '3': return '₃';
|
||
case '4': return '₄';
|
||
case '5': return '₅';
|
||
case '6': return '₆';
|
||
case '7': return '₇';
|
||
case '8': return '₈';
|
||
case '9': return '₉';
|
||
case '0': return '₀';
|
||
case '+': return '₊';
|
||
case '-': return '₋';
|
||
case '=': return '₌';
|
||
case '(': return '₍';
|
||
case ')': return '₎';
|
||
case 'e': return 'ₑ';
|
||
case 'a': return 'ₐ';
|
||
case 'x': return 'ₓ';
|
||
case 'o': return 'ₒ';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
|
||
private static final Map_char map_char_arrows =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case '1': return '↙';
|
||
case '2': return '↓';
|
||
case '3': return '↘';
|
||
case '4': return '←';
|
||
case '6': return '→';
|
||
case '7': return '↖';
|
||
case '8': return '↑';
|
||
case '9': return '↗';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
|
||
private static final Map_char map_char_box =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
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 'b': return '␢';
|
||
case 'c': return 'ȼ';
|
||
case 'e': return 'ɇ';
|
||
case 'g': return 'ꞡ';
|
||
case 'k': return 'ꝃ';
|
||
case 'l': return 'ł';
|
||
case 'n': return 'ꞥ';
|
||
case 'o': return 'ø';
|
||
case 'r': return 'ꞧ';
|
||
case 's': return 'ꞩ';
|
||
case 't': return 'ⱦ';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
|
||
private static final Map_char map_char_bar =
|
||
new Map_char() {
|
||
public char apply(char c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 'b': return 'ƀ';
|
||
case 'c': return 'ꞓ';
|
||
case 'd': return 'đ';
|
||
case 'g': return 'ǥ';
|
||
case 'i': return 'ɨ';
|
||
case 'j': return 'ɉ';
|
||
case 'k': return 'ꝁ';
|
||
case 'l': return 'ƚ';
|
||
case 'o': return 'ɵ';
|
||
case 'p': return 'ᵽ';
|
||
case 'q': return 'ꝗ';
|
||
case 'r': return 'ɍ';
|
||
case 't': return 'ŧ';
|
||
case 'u': return 'ʉ';
|
||
case 'y': return 'ɏ';
|
||
case 'z': return 'ƶ';
|
||
default: return c;
|
||
}
|
||
}
|
||
};
|
||
}
|