Java MouseWheelListener.mouseWheelMoved方法代碼示例

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
@Override
public void mouseWheelMoved(MouseWheelEvent originalEvent) {
	MouseWheelEvent event = new MouseWheelEvent( originalEvent.getComponent(),
			                                     originalEvent.getID(),
			                                     originalEvent.getWhen(),
			                                     originalEvent.getModifiers(),
			                                     originalEvent.getX(),
			                                     originalEvent.getY(),
			                                     originalEvent.getXOnScreen(),
			                                     originalEvent.getYOnScreen(),
			                                     originalEvent.getClickCount(),
			                                     originalEvent.isPopupTrigger(),
			                                     originalEvent.getScrollType(),
			                                     scrollAmount,
			                                     originalEvent.getWheelRotation());
	for (MouseWheelListener listener : originalListeners) listener.mouseWheelMoved(event);
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
/**
 * Called when the mouse wheel is moved.
 * If CTRL key is down, modify current zoom ratio accordingly, otherwise
 * forward the wheel event to proper container (JScrollPane usually).
 *
 * @param e the mouse wheel event
 */
@Override
public void mouseWheelMoved (MouseWheelEvent e)
{
    // CTRL is down?
    if (e.isControlDown()) {
        double ratio = zoom.getRatio();

        if (e.getWheelRotation() > 0) {
            ratio /= factor;
        } else {
            ratio *= factor;
        }

        zoom.setRatio(ratio);
    } else {
        // Forward event to some container of the component?
        Container container = component.getParent();

        while (container != null) {
            if (container instanceof JComponent) {
                JComponent comp = (JComponent) container;
                MouseWheelListener[] listeners = comp.getMouseWheelListeners();

                if (listeners.length > 0) {
                    for (MouseWheelListener listener : listeners) {
                        listener.mouseWheelMoved(e);
                    }

                    return;
                }
            }

            container = container.getParent();
        }
    }
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
/**
 * Calls appropriate method on the listener based on this events ID.
 * 
 * @param listener the target for dispatch.
 */
public void dispatchTo(final Object listener) {
    final MouseWheelListener mouseWheelListener = (MouseWheelListener) listener;
    switch (getID()) {
        case MouseEvent.MOUSE_WHEEL:
            mouseWheelListener.mouseWheelMoved(this);
            break;
        default:
            throw new RuntimeException("PMouseWheelEvent with bad ID");
    }
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
/**
 * Deliver the given mouse wheel event to the window.
 *
 * @param event The mouse wheel event to deliver.
 */
protected void deliverEvent(MouseWheelEvent event) {
    if (mouseWheelListeners == null) {
        return;
    }

    for (MouseWheelListener listener : mouseWheelListeners) {
        listener.mouseWheelMoved(event);
    }
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
@Override
public void mouseWheelMoved(MouseWheelEvent evt) {
    if(!canDispatch(evt)) {return;}
    MouseWheelEvent e = new MouseWheelEvent(evt.getComponent(), evt.getID(), evt.getWhen(), evt.getModifiers(), evt.getX(), evt.getY(), evt.getClickCount(), false, evt.getScrollType(), evt.getScrollAmount(), evt.getWheelRotation());
    MouseWheelListener[] listeners = getListenersAndAdaptEvent(e, MouseWheelListener.class);
    for(MouseWheelListener l : listeners) {l.mouseWheelMoved(e);}
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
private void processMouseWheelEventImpl(MouseWheelEvent e, Collection<MouseWheelListener> c) {
    for (MouseWheelListener listener : c) {
        switch (e.getID()) {
            case MouseEvent.MOUSE_WHEEL:
                listener.mouseWheelMoved(e);
                break;
        }
    }
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
private void fireMouseWheelEvent(MouseWheelEvent e) {
    for (MouseWheelListener l : mMouseWheelListeners) {
        if (e.getID() == MouseEvent.MOUSE_WHEEL) {
            l.mouseWheelMoved(e);
        }
    }
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
protected void callMouseWheelMovedListeners(MouseWheelEvent event)
  {
      for (MouseWheelListener listener : this.eventListeners.getListeners(MouseWheelListener.class))
      {
          listener.mouseWheelMoved(event);
}
  }
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
@Override
public void setUI(ScrollPaneUI ui) {
  super.setUI(ui);
  updateViewportBorder();
  if (ui instanceof BasicScrollPaneUI) {
    try {
      Field field = BasicScrollPaneUI.class.getDeclaredField("mouseScrollListener");
      field.setAccessible(true);
      Object value = field.get(ui);
      if (value instanceof MouseWheelListener) {
        MouseWheelListener oldListener = (MouseWheelListener)value;
        MouseWheelListener newListener = event -> {
          if (isScrollEvent(event)) {
            Object source = event.getSource();
            if (source instanceof JScrollPane) {
              JScrollPane pane = (JScrollPane)source;
              if (pane.isWheelScrollingEnabled()) {
                JScrollBar bar = event.isShiftDown() ? pane.getHorizontalScrollBar() : pane.getVerticalScrollBar();
                if (bar != null && bar.isVisible()) oldListener.mouseWheelMoved(event);
              }
            }
          }
        };
        field.set(ui, newListener);
        // replace listener if field updated successfully
        removeMouseWheelListener(oldListener);
        addMouseWheelListener(newListener);
      }
    }
    catch (Exception exception) {
      LOG.warn(exception);
    }
  }
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
private void fireMouseWheelEvent(MouseWheelEvent e)
{
	for (MouseWheelListener l : mMouseWheelListeners)
		if (e.getID() == MouseEvent.MOUSE_WHEEL)
			l.mouseWheelMoved(e);
}
 

import java.awt.event.MouseWheelListener; //導入方法依賴的package包/類
public void mouseWheelMoved(MouseWheelEvent e) {
    MouseWheelListener[] listeners = getListenerAncestor(e, MouseWheelListener.class);
    if(listeners!=null) for(MouseWheelListener l : listeners) l.mouseWheelMoved(e);
}