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refactor: Use internal flags in Pointers

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'FLAG_LOCKED' and 'FLAG_FAKE_PTR' are only used within Pointers.
Define new flags in Pointers and remove these from KeyValue. Also allows
to define new flags.
This commit is contained in:
Jules Aguillon 2024-03-11 00:10:12 +01:00
parent c41a098924
commit b33bcd8865
3 changed files with 44 additions and 40 deletions
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7
srcs/juloo.keyboard2/KeyValue.java
View File

@ -98,6 +98,7 @@ public final class KeyValue
// Behavior flags.
public static final int FLAG_LATCH = (1 << FLAGS_OFFSET << 0);
// Key can be locked by typing twice
public static final int FLAG_LOCK = (1 << FLAGS_OFFSET << 1);
// Special keys are not repeated and don't clear latched modifiers.
public static final int FLAG_SPECIAL = (1 << FLAGS_OFFSET << 2);
@ -109,13 +110,13 @@ public final class KeyValue
public static final int FLAG_SMALLER_FONT = (1 << FLAGS_OFFSET << 5); // 25% smaller symbols
public static final int FLAG_SECONDARY = (1 << FLAGS_OFFSET << 6); // dimmer
// Used by [Pointers].
public static final int FLAG_LOCKED = (1 << FLAGS_OFFSET << 7);
public static final int FLAG_FAKE_PTR = (1 << FLAGS_OFFSET << 8);
// Free: (1 << FLAGS_OFFSET << 7)
// Free: (1 << FLAGS_OFFSET << 8)
// Ranges for the different components
private static final int FLAGS_BITS =
FLAG_LATCH | FLAG_LOCK | FLAG_SPECIAL | FLAG_GREYED | FLAG_KEY_FONT |
FLAG_SMALLER_FONT | FLAG_SECONDARY | FLAG_LOCKED | FLAG_FAKE_PTR;
FLAG_SMALLER_FONT | FLAG_SECONDARY;
private static final int KIND_BITS = (0b1111 << KIND_OFFSET); // 4 bits wide
private static final int VALUE_BITS = ~(FLAGS_BITS | KIND_BITS); // 20 bits wide

2
srcs/juloo.keyboard2/Keyboard2View.java
View File

@ -394,7 +394,7 @@ public class Keyboard2View extends View
int flags = _pointers.getKeyFlags(k);
if (flags != -1)
{
if ((flags & KeyValue.FLAG_LOCKED) != 0)
if ((flags & Pointers.FLAG_P_LOCKED) != 0)
return _theme.lockedColor;
return _theme.activatedColor;
}

75
srcs/juloo.keyboard2/Pointers.java
View File

@ -13,6 +13,12 @@ import java.util.NoSuchElementException;
*/
public final class Pointers implements Handler.Callback
{
public static final int FLAG_P_LATCHABLE = 1;
public static final int FLAG_P_LATCHED = (1 << 1);
public static final int FLAG_P_FAKE = (1 << 2);
public static final int FLAG_P_LOCKABLE = (1 << 3);
public static final int FLAG_P_LOCKED = (1 << 4);
private Handler _keyrepeat_handler;
private ArrayList<Pointer> _ptrs = new ArrayList<Pointer>();
private IPointerEventHandler _handler;
@ -42,7 +48,7 @@ public final class Pointers implements Handler.Callback
Pointer p = _ptrs.get(i);
if (p.value != null && p.value.getKind() == KeyValue.Kind.Modifier
&& !(skip_latched && p.pointerId == -1
&& (p.flags & KeyValue.FLAG_LOCKED) == 0))
&& (p.flags & FLAG_P_LOCKED) == 0))
mods[n_mods++] = p.value.getModifier();
}
return Modifiers.ofArray(mods, n_mods);
@ -63,13 +69,7 @@ public final class Pointers implements Handler.Callback
return false;
}
/**
* These flags can be different:
* FLAG_LOCK Removed when the key is locked
* FLAG_LOCKED Added when the key is locked
* FLAG_LATCH Removed when the key is latched (released but not consumed yet)
* Returns [-1] if not found.
*/
/** See [FLAG_P_*] flags. Returns [-1] if the key is not pressed. */
public int getKeyFlags(KeyValue kv)
{
for (Pointer p : _ptrs)
@ -78,21 +78,13 @@ public final class Pointers implements Handler.Callback
return -1;
}
public int getKeyFlags(KeyboardData.Key key, KeyValue kv)
{
Pointer ptr = getLatched(key, kv);
if (ptr == null) return -1;
return ptr.flags;
}
/** The key must not be already latched . */
void add_fake_pointer(KeyboardData.Key key, KeyValue kv, boolean locked)
{
Pointer ptr = new Pointer(-1, key, kv, 0.f, 0.f, Modifiers.EMPTY);
ptr.flags &= ~(KeyValue.FLAG_LATCH | KeyValue.FLAG_LOCK);
ptr.flags |= KeyValue.FLAG_FAKE_PTR;
ptr.flags = FLAG_P_FAKE;
if (locked)
ptr.flags |= KeyValue.FLAG_LOCKED;
ptr.flags |= FLAG_P_LOCKED;
_ptrs.add(ptr);
_handler.onPointerFlagsChanged(false);
}
@ -113,7 +105,7 @@ public final class Pointers implements Handler.Callback
if (latched)
add_fake_pointer(key, kv, lock);
}
else if ((ptr.flags & KeyValue.FLAG_FAKE_PTR) != 0)
else if ((ptr.flags & FLAG_P_FAKE) != 0)
{} // Key already latched but not by a fake ptr, do nothing.
else if (lock)
{
@ -122,7 +114,7 @@ public final class Pointers implements Handler.Callback
if (latched)
add_fake_pointer(key, kv, lock);
}
else if ((ptr.flags & KeyValue.FLAG_LOCKED) != 0)
else if ((ptr.flags & FLAG_P_LOCKED) != 0)
{} // Existing ptr is locked but [lock] is false, do not continue.
else if (!latched)
{
@ -150,7 +142,7 @@ public final class Pointers implements Handler.Callback
if (latched != null) // Already latched
{
removePtr(ptr); // Remove dupplicate
if ((latched.flags & KeyValue.FLAG_LOCK) != 0) // Toggle lockable key
if ((latched.flags & FLAG_P_LOCKABLE) != 0) // Toggle lockable key
lockPointer(latched, false);
else // Otherwise, unlatch
{
@ -158,9 +150,9 @@ public final class Pointers implements Handler.Callback
_handler.onPointerUp(ptr.value, ptr.modifiers);
}
}
else if ((ptr.flags & KeyValue.FLAG_LATCH) != 0)
else if ((ptr.flags & FLAG_P_LATCHABLE) != 0)
{
ptr.flags &= ~KeyValue.FLAG_LATCH;
// ptr.flags &= ~FLAG_P_LATCHABLE;
ptr.pointerId = -1; // Latch
_handler.onPointerFlagsChanged(false);
}
@ -182,7 +174,8 @@ public final class Pointers implements Handler.Callback
private boolean isOtherPointerDown()
{
for (Pointer p : _ptrs)
if (p.pointerId != -1 && (p.flags & KeyValue.FLAG_SPECIAL) == 0)
if (p.pointerId != -1 &&
(p.value == null || !p.value.hasFlagsAny(KeyValue.FLAG_SPECIAL)))
return true;
return false;
}
@ -283,7 +276,7 @@ public final class Pointers implements Handler.Callback
if (newValue != null && !newValue.equals(ptr.value))
{
ptr.value = newValue;
ptr.flags = newValue.getFlags();
ptr.flags = pointer_flags_of_kv(newValue);
// Sliding mode is entered when key5 or key6 is down on a slider key.
if (ptr.key.slider &&
(newValue.equals(ptr.key.getKeyValue(5))
@ -332,18 +325,18 @@ public final class Pointers implements Handler.Callback
{
Pointer ptr = _ptrs.get(i);
// Latched and not locked, remove
if (ptr.pointerId == -1 && (ptr.flags & KeyValue.FLAG_LOCKED) == 0)
if (ptr.pointerId == -1 && (ptr.flags & FLAG_P_LOCKED) == 0)
_ptrs.remove(i);
// Not latched but pressed, don't latch once released and stop long press.
else if ((ptr.flags & KeyValue.FLAG_LATCH) != 0)
ptr.flags &= ~KeyValue.FLAG_LATCH;
else if ((ptr.flags & FLAG_P_LATCHABLE) != 0)
ptr.flags &= ~FLAG_P_LATCHABLE;
}
}
/** Make a pointer into the locked state. */
private void lockPointer(Pointer ptr, boolean shouldVibrate)
{
ptr.flags = (ptr.flags & ~KeyValue.FLAG_LOCK) | KeyValue.FLAG_LOCKED;
ptr.flags = (ptr.flags & ~FLAG_P_LOCKABLE) | FLAG_P_LOCKED;
_handler.onPointerFlagsChanged(shouldVibrate);
}
@ -398,7 +391,7 @@ public final class Pointers implements Handler.Callback
private boolean handleKeyRepeat(Pointer ptr)
{
// Long press toggle lock on modifiers
if ((ptr.flags & KeyValue.FLAG_LATCH) != 0)
if ((ptr.flags & FLAG_P_LATCHABLE) != 0)
{
lockPointer(ptr, true);
return false;
@ -410,7 +403,6 @@ public final class Pointers implements Handler.Callback
if (!kv.equals(ptr.value))
{
ptr.value = kv;
ptr.flags = kv.getFlags();
_handler.onPointerDown(kv, true);
return true;
}
@ -453,6 +445,17 @@ public final class Pointers implements Handler.Callback
_handler.onPointerHold(newValue, ptr.modifiers);
}
/** Return the [FLAG_P_*] flags that correspond to pressing [kv]. */
static int pointer_flags_of_kv(KeyValue kv)
{
int flags = 0;
if (kv.hasFlagsAny(KeyValue.FLAG_LATCH))
flags |= FLAG_P_LATCHABLE;
if (kv.hasFlagsAny(KeyValue.FLAG_LOCK))
flags |= FLAG_P_LOCKABLE;
return flags;
}
private static final class Pointer
{
/** -1 when latched. */
@ -467,7 +470,7 @@ public final class Pointers implements Handler.Callback
public float downY;
/** Modifier flags at the time the key was pressed. */
public Modifiers modifiers;
/** Flags of the value. Latch, lock and locked flags are updated. */
/** See [FLAG_P_*] flags. */
public int flags;
/** Identify timeout messages. */
public int timeoutWhat;
@ -485,7 +488,7 @@ public final class Pointers implements Handler.Callback
downX = x;
downY = y;
modifiers = m;
flags = (v == null) ? 0 : v.getFlags();
flags = (v == null) ? 0 : pointer_flags_of_kv(v);
timeoutWhat = -1;
sliding = false;
sliding_count = 0;
@ -607,7 +610,7 @@ public final class Pointers implements Handler.Callback
public interface IPointerEventHandler
{
/** Key can be modified or removed by returning [null]. */
public KeyValue modifyKey(KeyValue k, Modifiers flags);
public KeyValue modifyKey(KeyValue k, Modifiers mods);
/** A key is pressed. [getModifiers()] is uptodate. Might be called after a
press or a swipe to a different value. Down events are not paired with
@ -616,12 +619,12 @@ public final class Pointers implements Handler.Callback
/** Key is released. [k] is the key that was returned by
[modifySelectedKey] or [modifySelectedKey]. */
public void onPointerUp(KeyValue k, Modifiers flags);
public void onPointerUp(KeyValue k, Modifiers mods);
/** Flags changed because latched or locked keys or cancelled pointers. */
public void onPointerFlagsChanged(boolean shouldVibrate);
/** Key is repeating. */
public void onPointerHold(KeyValue k, Modifiers flags);
public void onPointerHold(KeyValue k, Modifiers mods);
}
}