MouseDispatcherpublic class MouseDispatcher extends Object
| Fields Summary |
|---|
| private static final int | clickDelta | | private final long[] | lastPressTime | | private final Point[] | lastPressPos | | private final boolean[] | buttonPressed | | private final int[] | clickCount | | private Component | lastUnderPointer | | private final Point | lastScreenPos | | private Component | lastUnderMotion | | private Point | lastLocalPos | | private final java.awt.Dispatcher.MouseGrabManager | mouseGrabManager | | private final Toolkit | toolkit |
| Methods Summary |
|---|
| private void | checkMouseEnterExit(int modifiers, long when)
// BEGIN android-changed: AWT components not supported
// PointerInfo info = findComponentUnderPointer();
// Component curUnderPointer =
// propagateEvent(info, AWTEvent.MOUSE_EVENT_MASK,
// MouseListener.class, false).src;
//
// if (curUnderPointer != lastUnderPointer) {
// Point pos = info.position;
// if ((lastUnderPointer != null) &&
// lastUnderPointer.isMouseExitedExpected()) {
//
// Point exitPos = convertPoint(null, lastScreenPos.x,
// lastScreenPos.y, lastUnderPointer);
//
// postMouseEnterExit(MouseEvent.MOUSE_EXITED, modifiers, when,
// exitPos.x, exitPos.y, lastUnderPointer);
// }
// setCursor(curUnderPointer);
// if (curUnderPointer != null) {
// postMouseEnterExit(MouseEvent.MOUSE_ENTERED, modifiers, when,
// pos.x, pos.y, curUnderPointer);
// }
// lastUnderPointer = curUnderPointer;
// }
// END android-changed
| | static java.awt.Point | convertPoint(java.awt.Component src, int x, int y, java.awt.Component dest)
Point srcPoint = getAbsLocation(src);
Point destPoint = getAbsLocation(dest);
return new Point(x + (srcPoint.x - destPoint.x),
y + (srcPoint.y - destPoint.y));
| | static java.awt.Point | convertPoint(java.awt.Component src, java.awt.Point p, java.awt.Component dst)
return convertPoint(src, p.x, p.y, dst);
| | java.awt.event.MouseWheelEvent | createWheelEvent(java.awt.Component src, org.apache.harmony.awt.wtk.NativeEvent event, java.awt.Point where)
Integer scrollAmountProperty =
(Integer)toolkit.getDesktopProperty("awt.wheelScrollingSize"); //$NON-NLS-1$
int amount = 1;
int type = MouseWheelEvent.WHEEL_UNIT_SCROLL;
if (scrollAmountProperty != null) {
amount = scrollAmountProperty.intValue();
if (amount == -1) {
type = MouseWheelEvent.WHEEL_BLOCK_SCROLL;
amount = 1;
}
}
return new MouseWheelEvent(src, event.getEventId(),
event.getTime(), event.getInputModifiers(),
where.x, where.y, 0, false, type, amount,
event.getWheelRotation());
| | private boolean | deltaExceeded(int index, java.awt.MouseDispatcher$PointerInfo info)
final Point lastPos = lastPressPos[index];
if (lastPos == null) {
return true;
}
return ((Math.abs(lastPos.x - info.position.x) > clickDelta) ||
(Math.abs(lastPos.y - info.position.y) > clickDelta));
| | boolean | dispatch(java.awt.Component src, org.apache.harmony.awt.wtk.NativeEvent event)
int id = event.getEventId();
lastScreenPos.setLocation(event.getScreenPos());
checkMouseEnterExit(event.getInputModifiers(), event.getTime());
if (id == MouseEvent.MOUSE_WHEEL) {
// BEGIN android-changed: AWT components not supported
// dispatchWheelEvent(src, event);
// END android-changed
} else if ((id != MouseEvent.MOUSE_ENTERED) &&
(id != MouseEvent.MOUSE_EXITED)) {
PointerInfo info = new PointerInfo(src, event.getLocalPos());
mouseGrabManager.preprocessEvent(event);
findEventSource(info);
if ((id == MouseEvent.MOUSE_PRESSED) ||
(id == MouseEvent.MOUSE_RELEASED)) {
dispatchButtonEvent(info, event);
} else if ((id == MouseEvent.MOUSE_MOVED) ||
(id == MouseEvent.MOUSE_DRAGGED)) {
dispatchMotionEvent(info, event);
}
}
return false;
| | private void | dispatchButtonEvent(java.awt.MouseDispatcher$PointerInfo info, org.apache.harmony.awt.wtk.NativeEvent event)
int button = event.getMouseButton();
long time = event.getTime();
int id = event.getEventId();
int index = button - 1;
boolean clickRequired = false;
propagateEvent(info, AWTEvent.MOUSE_EVENT_MASK,
MouseListener.class, false);
if (id == MouseEvent.MOUSE_PRESSED) {
int clickInterval = toolkit.dispatcher.clickInterval;
mouseGrabManager.onMousePressed(info.src);
buttonPressed[index] = true;
clickCount[index] = (!deltaExceeded(index, info) &&
((time - lastPressTime[index]) <= clickInterval)) ?
clickCount[index] + 1 : 1;
lastPressTime[index] = time;
lastPressPos[index] = info.position;
} else {
mouseGrabManager.onMouseReleased(info.src);
// set cursor back on synthetic mouse grab end:
// BEGIN android-changed: AWT components not supported
// setCursor(findComponentUnderPointer().src);
// END android-changed
if (buttonPressed[index]) {
buttonPressed[index] = false;
clickRequired = !deltaExceeded(index, info);
} else {
clickCount[index] = 0;
}
}
if (info.src.isIndirectlyEnabled()) {
final Point pos = info.position;
final int mod = event.getInputModifiers();
toolkit.getSystemEventQueueImpl().postEvent(
new MouseEvent(info.src, id, time, mod, pos.x,
pos.y, clickCount[index],
event.getTrigger(), button));
if (clickRequired) {
toolkit.getSystemEventQueueImpl().postEvent(
new MouseEvent(info.src,
MouseEvent.MOUSE_CLICKED,
time, mod, pos.x, pos.y,
clickCount[index], false,
button));
}
}
| | private void | dispatchMotionEvent(java.awt.MouseDispatcher$PointerInfo info, org.apache.harmony.awt.wtk.NativeEvent event)
propagateEvent(info, AWTEvent.MOUSE_MOTION_EVENT_MASK,
MouseMotionListener.class, false);
final Point pos = info.position;
if ((lastUnderMotion != info.src) ||
!lastLocalPos.equals(pos)) {
lastUnderMotion = info.src;
lastLocalPos = pos;
if (info.src.isIndirectlyEnabled()) {
toolkit.getSystemEventQueueImpl().postEvent(
new MouseEvent(info.src, event.getEventId(),
event.getTime(),
event.getInputModifiers(),
pos.x, pos.y, 0, false));
}
}
| | private void | findEventSource(java.awt.MouseDispatcher$PointerInfo info)
Component grabOwner = mouseGrabManager.getSyntheticGrabOwner();
if (grabOwner != null && grabOwner.isShowing()) {
info.position = convertPoint(info.src, info.position, grabOwner);
info.src = grabOwner;
} else {
//???AWT: rise2TopLevel(info);
//???AWT: fall2Child(info);
}
| | private static java.awt.Point | getAbsLocation(java.awt.Component comp)
Point location = new Point(0, 0);
// BEGIN android-changed: AWT components not supported
// for (Component parent = comp; parent != null; parent = parent.parent) {
// Point parentPos = (parent instanceof EmbeddedWindow ?
// parent.getNativeWindow().getScreenPos() :
// parent.getLocation());
//
// location.translate(parentPos.x, parentPos.y);
//
// if (parent instanceof Window) {
// break;
// }
// }
// END android-changed
return location;
| | java.awt.Point | getPointerPos()
return lastScreenPos;
| | private void | postMouseEnterExit(int id, int mod, long when, int x, int y, java.awt.Component comp)
if (comp.isIndirectlyEnabled()) {
toolkit.getSystemEventQueueImpl().postEvent(
new MouseEvent(comp, id, when, mod, x, y, 0, false));
comp.setMouseExitedExpected(id == MouseEvent.MOUSE_ENTERED);
} else {
comp.setMouseExitedExpected(false);
}
| | private java.awt.MouseDispatcher$PointerInfo | propagateEvent(java.awt.MouseDispatcher$PointerInfo info, long mask, java.lang.Class type, boolean pierceHW)
Component src = info.src;
while ((src != null) &&
(src.isLightweight() || pierceHW) &&
!(src.isMouseEventEnabled(mask) ||
(src.getListeners(type).length > 0))) {
info.position.translate(src.x, src.y);
// BEGIN android-changed: AWT components not supported
// src = src.parent;
// END android-changed
info.src = src;
}
return info;
| | private void | setCursor(java.awt.Component comp)
if (comp == null) {
return;
}
Component grabOwner = mouseGrabManager.getSyntheticGrabOwner();
Component cursorComp = ((grabOwner != null) &&
grabOwner.isShowing() ? grabOwner : comp);
cursorComp.setCursor();
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