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Handle multi touch event

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juloo 2015-07-31 01:14:35 +02:00
parent 8265c1c099
commit 702ae9d0c1
1 changed files with 52 additions and 29 deletions
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71
srcs/juloo.keyboard2/Keyboard2View.java
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@ -95,48 +95,71 @@ public class Keyboard2View extends View
float x; float x;
float y; float y;
float keyW; float keyW;
boolean key_down;
int pointer_up;
if (event.getAction() == MotionEvent.ACTION_UP || event.getAction() == MotionEvent.ACTION_POINTER_UP) switch (event.getActionMasked())
pointer_up = event.getActionIndex(); {
else case MotionEvent.ACTION_UP:
pointer_up = -1; case MotionEvent.ACTION_POINTER_UP:
y = _keyMargin; onTouchUp(event.getPointerId(event.getActionIndex()));
break ;
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
int p = event.getActionIndex();
onTouchDown(event.getX(p), event.getY(p), event.getPointerId(p));
break ;
default:
return (false);
}
return (true);
}
private void onTouchDown(float touch_x, float touch_y, int pointerId)
{
float x;
float y;
float keyW;
y = -_keyHeight;
for (Row row : _rows) for (Row row : _rows)
{ {
y += _keyHeight + _keyMargin;
if (touch_y < y || touch_y >= (y + _keyHeight))
continue ;
x = (KEY_PER_ROW * (_keyMargin + _keyWidth) - _keyMargin - row.getWidth()) / 2 + _keyMargin; x = (KEY_PER_ROW * (_keyMargin + _keyWidth) - _keyMargin - row.getWidth()) / 2 + _keyMargin;
for (Key k : row) for (Key k : row)
{ {
key_down = k.down;
keyW = _keyWidth * k.width; keyW = _keyWidth * k.width;
for (int p = 0; p < event.getPointerCount(); p++) if (touch_x >= x && touch_x < (x + keyW))
{ {
if (pointer_up != p && event.getX(p) >= x && event.getX(p) < (x + keyW) if (k.down_pointer == -1)
&& event.getY(p) >= y && event.getY(p) < (y + _keyHeight))
{
if (!k.down && !key_down)
{ {
if (k.key0 != null) if (k.key0 != null)
Keyboard2.log("Key down " + k.key0.getName()); Keyboard2.log("Key down " + k.key0.getName());
key_down = true; k.down_pointer = pointerId;
invalidate(); invalidate();
return ;
} }
} }
else if (k.down && key_down) x += keyW + _keyMargin;
}
}
}
private void onTouchUp(int pointerId)
{
for (Row row : _rows)
{
for (Key k : row)
{
if (k.down_pointer == pointerId)
{ {
if (k.key0 != null) if (k.key0 != null)
Keyboard2.log("Key up " + k.key0.getName()); Keyboard2.log("Key up " + k.key0.getName());
key_down = false; k.down_pointer = -1;
invalidate(); invalidate();
} }
} }
k.down = key_down;
x += keyW + _keyMargin;
} }
y += _keyHeight + _keyMargin;
}
return (true);
} }
@Override @Override
@ -166,7 +189,7 @@ public class Keyboard2View extends View
for (Key k : row) for (Key k : row)
{ {
float keyW = _keyWidth * k.width; float keyW = _keyWidth * k.width;
if (k.down) if (k.down_pointer != -1)
canvas.drawRect(x, y, x + keyW, y + _keyHeight, _keyDownBgPaint); canvas.drawRect(x, y, x + keyW, y + _keyHeight, _keyDownBgPaint);
else else
canvas.drawRect(x, y, x + keyW, y + _keyHeight, _keyBgPaint); canvas.drawRect(x, y, x + keyW, y + _keyHeight, _keyBgPaint);
@ -236,11 +259,11 @@ public class Keyboard2View extends View
public float width; public float width;
public boolean down; public int down_pointer;
public Key(XmlResourceParser parser) throws Exception public Key(XmlResourceParser parser) throws Exception
{ {
down = false; down_pointer = -1;
key0 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key0")); key0 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key0"));
key1 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key1")); key1 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key1"));
key2 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key2")); key2 = KeyValue.getKeyByName(parser.getAttributeValue(null, "key2"));