javax.swing.plaf.basic: protected class: BasicScrollBarUI.ArrowButtonListener

javax.swing.plaf.basic
protected class: BasicScrollBarUI.ArrowButtonListener [javadoc | source]

java.lang.Object
   java.awt.event.MouseAdapter
      javax.swing.plaf.basic.BasicScrollBarUI$ArrowButtonListener

All Implemented Interfaces:
MouseListener, MouseMotionListener, MouseWheelListener

Listener for cursor keys.

Field Summary
boolean	handledEvent

Method from javax.swing.plaf.basic.BasicScrollBarUI$ArrowButtonListener Summary:
mousePressed, mouseReleased

Methods from java.awt.event.MouseAdapter:
mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, mouseWheelMoved

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from javax.swing.plaf.basic.BasicScrollBarUI$ArrowButtonListener Detail:
public void mousePressed(MouseEvent e) { if(!scrollbar.isEnabled()) { return; } // not an unmodified left mouse button //if(e.getModifiers() != InputEvent.BUTTON1_MASK) {return; } if( ! SwingUtilities.isLeftMouseButton(e)) { return; } int direction = (e.getSource() == incrButton) ? 1 : -1; scrollByUnit(direction); scrollTimer.stop(); scrollListener.setDirection(direction); scrollListener.setScrollByBlock(false); scrollTimer.start(); handledEvent = true; if (!scrollbar.hasFocus() && scrollbar.isRequestFocusEnabled()) { scrollbar.requestFocus(); } }
public void mouseReleased(MouseEvent e) { scrollTimer.stop(); handledEvent = false; scrollbar.setValueIsAdjusting(false); }

Method from javax.swing.plaf.basic.BasicScrollBarUI$ArrowButtonListener Detail:

 public  void mousePressed(MouseEvent e) {
            if(!scrollbar.isEnabled()) { return; }
            // not an unmodified left mouse button
            //if(e.getModifiers() != InputEvent.BUTTON1_MASK) {return; }
            if( ! SwingUtilities.isLeftMouseButton(e)) { return; }
            int direction = (e.getSource() == incrButton) ? 1 : -1;
            scrollByUnit(direction);
            scrollTimer.stop();
            scrollListener.setDirection(direction);
            scrollListener.setScrollByBlock(false);
            scrollTimer.start();
            handledEvent = true;
            if (!scrollbar.hasFocus() && scrollbar.isRequestFocusEnabled()) {
                scrollbar.requestFocus();
            }
}

 public  void mouseReleased(MouseEvent e) {
            scrollTimer.stop();
            handledEvent = false;
            scrollbar.setValueIsAdjusting(false);
}