Java JComponent.removeMouseMotionListener方法代碼示例

import javax.swing.JComponent; //導入方法依賴的package包/類
/**
    * Registers a component for tooltip management.
    * <p>
    * This will register key bindings to show and hide the tooltip text
    * only if <code>component</code> has focus bindings. This is done
    * so that components that are not normally focus traversable, such
    * as <code>JLabel</code>, are not made focus traversable as a result
    * of invoking this method.
    *
    * @param component  a <code>JComponent</code> object to add
    * @see JComponent#isFocusTraversable
    */
   protected void registerComponent(JComponent component) {
       component.removeMouseListener(this);
       component.addMouseListener(this);
       component.removeMouseMotionListener(moveBeforeEnterListener);
component.addMouseMotionListener(moveBeforeEnterListener);

if (shouldRegisterBindings(component)) {
    // register our accessibility keybindings for this component
    // this will apply globally across L&F
    // Post Tip: Ctrl+F1
    // Unpost Tip: Esc and Ctrl+F1
    InputMap inputMap = component.getInputMap(JComponent.WHEN_FOCUSED);
    ActionMap actionMap = component.getActionMap();

    if (inputMap != null && actionMap != null) {
               //XXX remove
    }
}
   }
 

import javax.swing.JComponent; //導入方法依賴的package包/類
/**
    * Removes a component from tooltip control.
    *
    * @param component  a <code>JComponent</code> object to remove
    */
   protected void unregisterComponent(JComponent component) {
       component.removeMouseListener(this);
component.removeMouseMotionListener(moveBeforeEnterListener);

if (shouldRegisterBindings(component)) {
    InputMap inputMap = component.getInputMap(JComponent.WHEN_FOCUSED);
    ActionMap actionMap = component.getActionMap();

    if (inputMap != null && actionMap != null) {
               //XXX remove
    }
}
   }
 

import javax.swing.JComponent; //導入方法依賴的package包/類
private void initiateToolTip(MouseEvent event) {
       if (event.getSource() == window) {
           return;
       }
       JComponent component = (JComponent)event.getSource();
component.removeMouseMotionListener(moveBeforeEnterListener);

       exitTimer.stop();

Point location = event.getPoint();
// ensure tooltip shows only in proper place
if (location.x < 0 || 
    location.x >=component.getWidth() ||
    location.y < 0 ||
    location.y >= component.getHeight()) {
    return;
}

       if (insideComponent != null) {
           enterTimer.stop();
       }
// A component in an unactive internal frame is sent two
// mouseEntered events, make sure we don't end up adding
// ourselves an extra time.
       component.removeMouseMotionListener(this);
       component.addMouseMotionListener(this);

       boolean sameComponent = (insideComponent == component);

       insideComponent = component;
if (tipWindow != null){
           mouseEvent = event;
           if (showImmediately) {
               Rectangle rect = provider.getToolTipSourceBounds( event.getPoint() );
               if( null != rect ) {
                   String newToolTipText = startToolTipCalculation( rect, event.getPoint() );

                   if (!sameComponent || !toolTipText.equals(newToolTipText) /*|| 
                            !sameLoc*/) {
                       toolTipText = newToolTipText;
                       showTipWindow();
                   }
               }
           } else {
               enterTimer.start();
           }
       }
   }