Ignore presses too close from an other pointer

These might be gliches.
This commit is contained in:
Jules Aguillon 2022-03-16 12:35:14 +01:00
parent 2dae2105b2
commit 8662f3afd4
3 changed files with 33 additions and 8 deletions

View File

@ -15,4 +15,5 @@
<dimen name="extra_horizontal_margin">0dp</dimen>
<bool name="debug_logs" product="debug">true</bool>
<bool name="debug_logs" product="default">false</bool>
<dimen name="pointer_too_close">10dp</dimen>
</resources>

View File

@ -17,9 +17,10 @@ final class Config
// From resources
public final float marginTop;
public final float keyPadding;
public final float labelTextSize;
public final float sublabelTextSize;
/** Presses within this radius of an other pointer are ignored */
public final float pointerTooClose;
// From preferences
public int layout; // Or '-1' for the system defaults
@ -57,6 +58,7 @@ final class Config
keyPadding = res.getDimension(R.dimen.key_padding);
labelTextSize = res.getFloat(R.integer.label_text_size);
sublabelTextSize = res.getFloat(R.integer.sublabel_text_size);
pointerTooClose = res.getDimension(R.dimen.pointer_too_close);
// default values
layout = -1;
vibrateEnabled = true;

View File

@ -107,6 +107,10 @@ public final class Pointers implements Handler.Callback
public void onTouchDown(float x, float y, int pointerId, KeyboardData.Key key)
{
// Ignore new pointers that are too close to an existing pointer. This
// might be glitches.
if (isPointerNearby(x, y))
return;
KeyValue value = key.key0;
Pointer ptr = new Pointer(pointerId, key, value, x, y);
_ptrs.add(ptr);
@ -123,7 +127,8 @@ public final class Pointers implements Handler.Callback
float dx = x - ptr.downX;
float dy = y - ptr.downY;
float dist = Math.abs(dx) + Math.abs(dy);
ptr.ptrDist = dist;
ptr.ptrDistX = dx;
ptr.ptrDistY = dy;
KeyValue newValue;
if (dist < _config.swipe_dist_px)
{
@ -199,6 +204,20 @@ public final class Pointers implements Handler.Callback
}
}
/** Check if a pointer is within a radius of 'pointerTooClose' */
private boolean isPointerNearby(float x, float y)
{
for (Pointer p : _ptrs)
{
float dx = p.downX + p.ptrDistX - x;
float dy = p.downY + p.ptrDistY - y;
float d = Math.abs(dx) + Math.abs(dy);
if (d < _config.pointerTooClose)
return true;
}
return false;
}
// Key repeat
/** Message from [_keyrepeat_handler]. */
@ -250,12 +269,13 @@ public final class Pointers implements Handler.Callback
private float modulatePreciseRepeat(Pointer ptr)
{
float ptrDist = Math.abs(ptr.ptrDistX) + Math.abs(ptr.ptrDistY);
if (ptr.repeatingPtrDist < 0.f)
ptr.repeatingPtrDist = ptr.ptrDist; // First repeat
if (ptr.ptrDist > ptr.repeatingPtrDist * 2.f)
ptr.repeatingPtrDist = ptr.ptrDist / 2.f; // Large swipe, move the middle point
ptr.repeatingPtrDist = ptrDist; // First repeat
if (ptrDist > ptr.repeatingPtrDist * 2.f)
ptr.repeatingPtrDist = ptrDist / 2.f; // Large swipe, move the middle point
float left = ptr.repeatingPtrDist / 2.f;
float accel = (ptr.ptrDist - left) / (ptr.repeatingPtrDist - left);
float accel = (ptrDist - left) / (ptr.repeatingPtrDist - left);
return Math.min(8.f, Math.max(0.1f, accel));
}
@ -268,7 +288,8 @@ public final class Pointers implements Handler.Callback
public float downX;
public float downY;
/** Distance of the pointer to the initial press. */
public float ptrDist;
public float ptrDistX;
public float ptrDistY;
public int flags;
/** Identify timeout messages. */
public int timeoutWhat;
@ -282,7 +303,8 @@ public final class Pointers implements Handler.Callback
value = v;
downX = x;
downY = y;
ptrDist = 0.f;
ptrDistX = 0.f;
ptrDistY = 0.f;
flags = (v == null) ? 0 : v.flags;
timeoutWhat = -1;
repeatingPtrDist = -1.f;