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Restore previous swipe sensibility

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The distance at which a swipe was considered successful was reduced in
188c682 to allow making circle gestures on a key that also had a slider.
It was also useful in reducing accidental sliding.

This is impractical for normal typing so it is reverted. The reduced
range continues to be used for sliders.
This commit is contained in:
Jules Aguillon 2025-03-29 12:04:36 +01:00
parent 85c73d9f62
commit 0acf66d455
1 changed files with 12 additions and 4 deletions
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16
srcs/juloo.keyboard2/Pointers.java
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@ -219,7 +219,7 @@ public final class Pointers implements Handler.Callback
* [direction] is an int between [0] and [15] that represent 16 sections of a
* circle, clockwise, starting at the top.
*/
KeyValue getKeyAtDirection(KeyboardData.Key k, int direction)
static KeyValue getKeyAtDirection(KeyboardData.Key k, int direction)
{
return k.keys[DIRECTION_TO_INDEX[direction]];
}
@ -234,16 +234,24 @@ public final class Pointers implements Handler.Callback
private KeyValue getNearestKeyAtDirection(Pointer ptr, int direction)
{
KeyValue k;
// [i] is [0, -1, 1, -2, 2], scanning a 1/4 of the circle's area, centered
// on the initial direction.
for (int i = 0; i > -2; i = (~i>>31) - i)
// [i] is [0, -1, +1, ..., -3, +3], scanning 43% of the circle's area,
// centered on the initial swipe direction.
for (int i = 0; i > -4; i = (~i>>31) - i)
{
int d = (direction + i + 16) % 16;
// Don't make the difference between a key that doesn't exist and a key
// that is removed by [_handler]. Triggers side effects.
k = _handler.modifyKey(getKeyAtDirection(ptr.key, d), ptr.modifiers);
if (k != null)
{
// When the nearest key is a slider, it is only selected if it's placed
// within 18% of the original swipe direction.
// This reduces accidental swipes on the slider and allow typing circle
// gestures without being interrupted by the slider.
if (k.getKind() == KeyValue.Kind.Slider && Math.abs(i) >= 2)
continue;
return k;
}
}
return null;
}