protected void processMouseEvent(MouseEvent e) {
MouseEvent transformedEvent = transformMouseEvent(e);
switch (e.getID()) {
case MouseEvent.MOUSE_ENTERED:
if (mouseDraggedComponent == null || mouseCurrentComponent == mouseDraggedComponent) {
dispatchMouseEvent(transformedEvent);
}
break;
case MouseEvent.MOUSE_EXITED:
if (mouseEnteredComponent != null) {
dispatchMouseEvent(
createEnterExitEvent(mouseEnteredComponent, MouseEvent.MOUSE_EXITED, e));
mouseEnteredComponent = null;
}
break;
case MouseEvent.MOUSE_RELEASED:
if (mouseDraggedComponent != null && e.getButton() == MouseEvent.BUTTON1) {
transformedEvent.setSource(mouseDraggedComponent);
mouseDraggedComponent = null;
}
dispatchMouseEvent(transformedEvent);
break;
default:
dispatchMouseEvent(transformedEvent);
}
super.processMouseEvent(e);
}
private MouseEvent transformMouseEvent(MouseEvent e) {
if (this == e.getComponent()) {
return e;
} else {
Point lp = getLocationInQueryTextArea(e.getComponent());
e.setSource(this);
e.translatePoint(lp.x, lp.y);
return e;
}
}
@Override
public void handleJavaMouseEvent(MouseEvent mouseEvent) {
super.handleJavaMouseEvent(mouseEvent);
if (xtext != null) {
mouseEvent.setSource(xtext);
int id = mouseEvent.getID();
if (id == MouseEvent.MOUSE_DRAGGED || id == MouseEvent.MOUSE_MOVED)
xtext.processMouseMotionEventImpl(mouseEvent);
else xtext.processMouseEventImpl(mouseEvent);
}
}
protected void processMouseMotionEvent(MouseEvent e) {
MouseEvent transformedEvent = transformMouseEvent(e);
if (mouseEnteredComponent == null) {
mouseEnteredComponent = mouseCurrentComponent;
}
switch (e.getID()) {
case MouseEvent.MOUSE_MOVED:
if (mouseCurrentComponent != mouseEnteredComponent) {
dispatchMouseEvent(
createEnterExitEvent(mouseEnteredComponent, MouseEvent.MOUSE_EXITED, e));
dispatchMouseEvent(
createEnterExitEvent(mouseCurrentComponent, MouseEvent.MOUSE_ENTERED, e));
}
break;
case MouseEvent.MOUSE_DRAGGED:
if (mouseDraggedComponent == null) {
mouseDraggedComponent = mouseEnteredComponent;
}
if (mouseEnteredComponent == mouseDraggedComponent
&& mouseCurrentComponent != mouseDraggedComponent) {
dispatchMouseEvent(
createEnterExitEvent(mouseDraggedComponent, MouseEvent.MOUSE_EXITED, e));
} else if (mouseEnteredComponent != mouseDraggedComponent
&& mouseCurrentComponent == mouseDraggedComponent) {
dispatchMouseEvent(
createEnterExitEvent(mouseDraggedComponent, MouseEvent.MOUSE_ENTERED, e));
}
if (mouseDraggedComponent != null) {
transformedEvent.setSource(mouseDraggedComponent);
}
break;
}
mouseEnteredComponent = mouseCurrentComponent;
// dispatch MouseMotionEvent
MouseMotionListener[] mouseMotionListeners =
transformedEvent.getComponent().getMouseMotionListeners();
for (MouseMotionListener listener : mouseMotionListeners) {
// skip all ToolTipManager's related listeners
if (!listener.getClass().getName().startsWith("javax.swing.ToolTipManager")) {
switch (transformedEvent.getID()) {
case MouseEvent.MOUSE_MOVED:
listener.mouseMoved(transformedEvent);
break;
case MouseEvent.MOUSE_DRAGGED:
listener.mouseDragged(transformedEvent);
break;
default:
throw new AssertionError();
}
}
}
super.processMouseMotionEvent(e);
}
private MouseEvent transformMouseEvent(MouseEvent event) {
if (event == null) {
throw new IllegalArgumentException("MouseEvent is null");
}
MouseEvent newEvent;
if (event instanceof MouseWheelEvent) {
MouseWheelEvent mouseWheelEvent = (MouseWheelEvent) event;
newEvent =
new MouseWheelEvent(
mouseWheelEvent.getComponent(),
mouseWheelEvent.getID(),
mouseWheelEvent.getWhen(),
mouseWheelEvent.getModifiers(),
mouseWheelEvent.getX(),
mouseWheelEvent.getY(),
mouseWheelEvent.getClickCount(),
mouseWheelEvent.isPopupTrigger(),
mouseWheelEvent.getScrollType(),
mouseWheelEvent.getScrollAmount(),
mouseWheelEvent.getWheelRotation());
} else {
newEvent =
new MouseEvent(
event.getComponent(),
event.getID(),
event.getWhen(),
event.getModifiers(),
event.getX(),
event.getY(),
event.getClickCount(),
event.isPopupTrigger(),
event.getButton());
}
if (view != null && at.getDeterminant() != 0) {
Rectangle viewBounds = getTransformedSize();
Insets insets = JXTransformer.this.getInsets();
int xgap = (getWidth() - (viewBounds.width + insets.left + insets.right)) / 2;
int ygap = (getHeight() - (viewBounds.height + insets.top + insets.bottom)) / 2;
double x = newEvent.getX() + viewBounds.getX() - insets.left;
double y = newEvent.getY() + viewBounds.getY() - insets.top;
Point2D p = new Point2D.Double(x - xgap, y - ygap);
Point2D tp;
try {
tp = at.inverseTransform(p, null);
} catch (NoninvertibleTransformException ex) {
// can't happen, we check it before
throw new AssertionError("NoninvertibleTransformException");
}
// Use transformed coordinates to get the current component
mouseCurrentComponent =
SwingUtilities.getDeepestComponentAt(view, (int) tp.getX(), (int) tp.getY());
if (mouseCurrentComponent == null) {
mouseCurrentComponent = JXTransformer.this;
}
Component tempComponent = mouseCurrentComponent;
if (mouseDraggedComponent != null) {
tempComponent = mouseDraggedComponent;
}
Point point =
SwingUtilities.convertPoint(view, (int) tp.getX(), (int) tp.getY(), tempComponent);
newEvent.setSource(tempComponent);
newEvent.translatePoint(point.x - event.getX(), point.y - event.getY());
}
return newEvent;
}
