@Override
public boolean handleMotionEvent(MotionEvent event) {
if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
int actionPointerIndex = event.getActionIndex();
int action = event.getActionMasked();
switch (action) {
case MotionEvent.ACTION_MOVE:
SDLJoystick joystick = getJoystick(event.getDeviceId());
if (joystick != null) {
for (int i = 0; i < joystick.axes.size(); i++) {
InputDevice.MotionRange range = joystick.axes.get(i);
/* Normalize the value to -1...1 */
float value =
(event.getAxisValue(range.getAxis(), actionPointerIndex) - range.getMin())
/ range.getRange()
* 2.0f
- 1.0f;
SDLActivity.onNativeJoy(joystick.device_id, i, value);
}
}
break;
default:
break;
}
}
return true;
}
// Generic Motion (mouse hover, joystick...) events go here
@Override
public boolean onGenericMotion(View v, MotionEvent event) {
float x, y;
int mouseButton;
int action;
switch (event.getSource()) {
case InputDevice.SOURCE_JOYSTICK:
case InputDevice.SOURCE_GAMEPAD:
case InputDevice.SOURCE_DPAD:
SDLActivity.handleJoystickMotionEvent(event);
return true;
case InputDevice.SOURCE_MOUSE:
action = event.getActionMasked();
switch (action) {
case MotionEvent.ACTION_SCROLL:
x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
SDLActivity.onNativeMouse(0, action, x, y);
return true;
case MotionEvent.ACTION_HOVER_MOVE:
x = event.getX(0);
y = event.getY(0);
SDLActivity.onNativeMouse(0, action, x, y);
return true;
default:
break;
}
default:
break;
}
// Event was not managed
return false;
}
// Touch events
@Override
public boolean onTouch(View v, MotionEvent event) {
/* Ref: http://developer.android.com/training/gestures/multi.html */
final int touchDevId = event.getDeviceId();
final int pointerCount = event.getPointerCount();
int action = event.getActionMasked();
int pointerFingerId;
int mouseButton;
int i = -1;
float x, y, p;
// !!! FIXME: dump this SDK check after 2.0.4 ships and require API14.
if (event.getSource() == InputDevice.SOURCE_MOUSE && SDLActivity.mSeparateMouseAndTouch) {
if (Build.VERSION.SDK_INT < 14) {
mouseButton = 1; // For Android==12 all mouse buttons are the left button
} else {
try {
mouseButton = (Integer) event.getClass().getMethod("getButtonState").invoke(event);
} catch (Exception e) {
mouseButton = 1; // oh well.
}
}
SDLActivity.onNativeMouse(mouseButton, action, event.getX(0), event.getY(0));
} else {
switch (action) {
case MotionEvent.ACTION_MOVE:
for (i = 0; i < pointerCount; i++) {
pointerFingerId = event.getPointerId(i);
x = event.getX(i) / mWidth;
y = event.getY(i) / mHeight;
p = event.getPressure(i);
SDLActivity.onNativeTouch(touchDevId, pointerFingerId, action, x, y, p);
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_DOWN:
// Primary pointer up/down, the index is always zero
i = 0;
case MotionEvent.ACTION_POINTER_UP:
case MotionEvent.ACTION_POINTER_DOWN:
// Non primary pointer up/down
if (i == -1) {
i = event.getActionIndex();
}
pointerFingerId = event.getPointerId(i);
x = event.getX(i) / mWidth;
y = event.getY(i) / mHeight;
p = event.getPressure(i);
SDLActivity.onNativeTouch(touchDevId, pointerFingerId, action, x, y, p);
break;
case MotionEvent.ACTION_CANCEL:
for (i = 0; i < pointerCount; i++) {
pointerFingerId = event.getPointerId(i);
x = event.getX(i) / mWidth;
y = event.getY(i) / mHeight;
p = event.getPressure(i);
SDLActivity.onNativeTouch(touchDevId, pointerFingerId, MotionEvent.ACTION_UP, x, y, p);
}
break;
default:
break;
}
}
return true;
}