Class BasicTreeUI.MouseInputHandler

java.lang.Object
javax.swing.plaf.basic.BasicTreeUI.MouseInputHandler
All Implemented Interfaces:
MouseListener, MouseMotionListener, EventListener, MouseInputListener
Enclosing class:
BasicTreeUI
public class BasicTreeUI.MouseInputHandler extends Object implements MouseInputListener
MouseInputHandler handles passing all mouse events, including mouse motion events, until the mouse is released to the destination it is constructed with. It is assumed all the events are currently target at source.

Field Summary

Modifier and Type Field Description
protected Component destination
Destination that receives all events.
protected Component source
Source that events are coming from.

Constructor Summary

Constructor Description
MouseInputHandler(Component source, Component destination, MouseEvent event)
Constructs a new instance of MouseInputHandler.

Method Summary

Modifier and Type Method Description
void mouseClicked(MouseEvent e)
Invoked when the mouse button has been clicked (pressed and released) on a component.
void mouseDragged(MouseEvent e)
Invoked when a mouse button is pressed on a component and then dragged.
void mouseEntered(MouseEvent e)
Invoked when the mouse enters a component.
void mouseExited(MouseEvent e)
Invoked when the mouse exits a component.
void mouseMoved(MouseEvent e)
Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.
void mousePressed(MouseEvent e)
Invoked when a mouse button has been pressed on a component.
void mouseReleased(MouseEvent e)
Invoked when a mouse button has been released on a component.
protected void removeFromSource()
Removes an event from the source.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

source

protected Component source
Source that events are coming from.

destination

protected Component destination
Destination that receives all events.

Constructor Details

MouseInputHandler

public MouseInputHandler(Component source, Component destination, MouseEvent event)
Constructs a new instance of MouseInputHandler.
Parameters:
source - a source component
destination - a destination component
event - a mouse event

Method Details

mouseClicked

public void mouseClicked(MouseEvent e)
Description copied from interface: MouseListener
Invoked when the mouse button has been clicked (pressed and released) on a component.
Specified by:
mouseClicked in interface MouseListener
Parameters:
e - the event to be processed

mousePressed

public void mousePressed(MouseEvent e)
Description copied from interface: MouseListener
Invoked when a mouse button has been pressed on a component.
Specified by:
mousePressed in interface MouseListener
Parameters:
e - the event to be processed

mouseReleased

public void mouseReleased(MouseEvent e)
Description copied from interface: MouseListener
Invoked when a mouse button has been released on a component.
Specified by:
mouseReleased in interface MouseListener
Parameters:
e - the event to be processed

mouseEntered

public void mouseEntered(MouseEvent e)
Description copied from interface: MouseListener
Invoked when the mouse enters a component.
Specified by:
mouseEntered in interface MouseListener
Parameters:
e - the event to be processed

mouseExited

public void mouseExited(MouseEvent e)
Description copied from interface: MouseListener
Invoked when the mouse exits a component.
Specified by:
mouseExited in interface MouseListener
Parameters:
e - the event to be processed

mouseDragged

public void mouseDragged(MouseEvent e)
Description copied from interface: MouseMotionListener
Invoked when a mouse button is pressed on a component and then dragged. MOUSE_DRAGGED events will continue to be delivered to the component where the drag originated until the mouse button is released (regardless of whether the mouse position is within the bounds of the component).

Due to platform-dependent Drag&Drop implementations, MOUSE_DRAGGED events may not be delivered during a native Drag&Drop operation.

Specified by:
mouseDragged in interface MouseMotionListener
Parameters:
e - the event to be processed

mouseMoved

public void mouseMoved(MouseEvent e)
Description copied from interface: MouseMotionListener
Invoked when the mouse cursor has been moved onto a component but no buttons have been pushed.
Specified by:
mouseMoved in interface MouseMotionListener
Parameters:
e - the event to be processed

removeFromSource

protected void removeFromSource()
Removes an event from the source.

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https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/swing/plaf/basic/BasicTreeUI.MouseInputHandler.html