Add function keys

Add the Fn modifier that change the digits into F1 to F10.
This commit is contained in:
Jules Aguillon 2021-04-18 23:58:35 +02:00
parent 2f8eae628f
commit 471375d50c
4 changed files with 41 additions and 11 deletions

View File

@ -22,7 +22,7 @@
<key key0="j" key2="accent6" key3="^" />
<key key0="k" key2="£" key3="$" key4="accent3" />
<key key0="l" key1="accent4" key2="%" />
<key key0="m" key2="µ" key4="*" />
<key key0="m" key1="fn" key2="µ" key4="*" />
</row>
<row>
<key width="2.0" key0="shift" />

View File

@ -21,7 +21,7 @@
<key key0="h" key2="=" key3="+" />
<key key0="j" key4="}" key3="{" />
<key key0="k" key4="]" key3="[" />
<key key0="l" key2="|" key3="\\" />
<key key0="l" key1="fn" key2="|" key3="\\" />
</row>
<row>
<key width="1.5" key0="shift" />

View File

@ -2,6 +2,7 @@ package juloo.keyboard2;
import android.util.SparseArray;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
import java.util.HashMap;
class KeyModifier
@ -19,24 +20,26 @@ class KeyModifier
KeyValue r = ks.get(flags);
if (r != null) // Found in cache
return r;
char c = handleChar(k.char_, flags);
if (c == k.char_) // Don't override the symbol if the char didn't change
r = k;
else
r = k.withCharAndSymbol(String.valueOf(c), c);
if ((r = handleChar(k, flags)) != null) ;
else if ((r = handleFn(k, flags)) != null) ;
else r = k;
ks.put(flags, r);
return r;
}
private static char handleChar(char c, int flags)
/* Returns [null] if had no effect. */
private static KeyValue handleChar(KeyValue k, int flags)
{
char c = k.char_;
if (c == KeyValue.CHAR_NONE)
return c;
return null;
if ((flags & KeyValue.FLAG_SHIFT) != 0) // Shift
c = Character.toUpperCase(c);
if ((flags & KeyValue.FLAGS_ACCENTS) != 0) // Accents, after shift is applied
c = handleAccentChar(c, flags);
return c;
if (c == k.char_)
return null;
return k.withCharAndSymbol(String.valueOf(c), c);
}
private static char handleAccentChar(char c, int flags)
@ -56,6 +59,31 @@ class KeyModifier
return (r == 0) ? c : r;
}
private static KeyValue handleFn(KeyValue k, int flags)
{
if ((flags & KeyValue.FLAG_FN) == 0)
return null;
switch (k.char_)
{
case '1': return makeFnKey("F1", KeyEvent.KEYCODE_F1);
case '2': return makeFnKey("F2", KeyEvent.KEYCODE_F2);
case '3': return makeFnKey("F3", KeyEvent.KEYCODE_F3);
case '4': return makeFnKey("F4", KeyEvent.KEYCODE_F4);
case '5': return makeFnKey("F5", KeyEvent.KEYCODE_F5);
case '6': return makeFnKey("F6", KeyEvent.KEYCODE_F6);
case '7': return makeFnKey("F7", KeyEvent.KEYCODE_F7);
case '8': return makeFnKey("F8", KeyEvent.KEYCODE_F8);
case '9': return makeFnKey("F9", KeyEvent.KEYCODE_F9);
case '0': return makeFnKey("F10", KeyEvent.KEYCODE_F10);
default: return null;
}
}
private static KeyValue makeFnKey(String symbol, int eventCode)
{
return new KeyValue(symbol, symbol, KeyValue.CHAR_NONE, eventCode, 0);
}
/* Lookup the cache entry for a key. Create it needed. */
private static SparseArray<KeyValue> cacheEntry(KeyValue k)
{

View File

@ -23,6 +23,7 @@ class KeyValue
public static final int FLAG_NOREPEAT = (1 << 5);
public static final int FLAG_NOCHAR = (1 << 6);
public static final int FLAG_LOCKED = (1 << 8);
public static final int FLAG_FN = (1 << 9);
public static final int FLAG_KEY_FONT = (1 << 12);
@ -49,7 +50,7 @@ class KeyValue
private static HashMap<String, KeyValue> keys = new HashMap<String, KeyValue>();
protected KeyValue(String n, String s, char c, int e, int f)
public KeyValue(String n, String s, char c, int e, int f)
{
name = n;
symbol = s;
@ -102,6 +103,7 @@ class KeyValue
addModifierKey("accent4", "\u02DC", FLAG_ACCENT4);
addModifierKey("accent5", "\u00B8", FLAG_ACCENT5);
addModifierKey("accent6", "\u00A8", FLAG_ACCENT6);
addModifierKey("fn", "Fn", FLAG_FN);
addCharKey('a', KeyEvent.KEYCODE_A);
addCharKey('b', KeyEvent.KEYCODE_B);