java.lang.Object
- java.awt.dnd.DragGestureRecognizer
- - java.awt.dnd.MouseDragGestureRecognizer

All Implemented Interfaces:

MouseListener, MouseMotionListener, Serializable, EventListener
```
public abstract class MouseDragGestureRecognizer
extends DragGestureRecognizer
implements MouseListener, MouseMotionListener
```
This abstract subclass of DragGestureRecognizer defines a DragGestureRecognizer for mouse-based gestures. Each platform implements its own concrete subclass of this class, available via the Toolkit.createDragGestureRecognizer() method, to encapsulate the recognition of the platform dependent mouse gesture(s) that initiate a Drag and Drop operation.
Mouse drag gesture recognizers should honor the drag gesture motion threshold, available through DragSource.getDragThreshold(). A drag gesture should be recognized only when the distance in either the horizontal or vertical direction between the location of the latest mouse dragged event and the location of the corresponding mouse button pressed event is greater than the drag gesture motion threshold.
Drag gesture recognizers created with DragSource.createDefaultDragGestureRecognizer(java.awt.Component, int, java.awt.dnd.DragGestureListener) follow this convention.

See Also:
DragGestureListener, DragGestureEvent, DragSource, Serialized Form

Field Summary
- Fields inherited from class java.awt.dnd.DragGestureRecognizer
  component, dragGestureListener, dragSource, events, sourceActions

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`MouseDragGestureRecognizer(DragSource ds)` Construct a new `MouseDragGestureRecognizer` given the `DragSource` for the `Component`.
`protected`	`MouseDragGestureRecognizer(DragSource ds, Component c)` Construct a new `MouseDragGestureRecognizer` given the `DragSource` for the `Component` c, and the `Component` to observe.
`protected`	`MouseDragGestureRecognizer(DragSource ds, Component c, int act)` Construct a new `MouseDragGestureRecognizer` given the `DragSource` for the `Component` c, the `Component` to observe, and the action(s) permitted for this drag operation.
`protected`	`MouseDragGestureRecognizer(DragSource ds, Component c, int act, DragGestureListener dgl)` Construct a new `MouseDragGestureRecognizer` given the `DragSource` for the `Component` c, the `Component` to observe, the action(s) permitted for this drag operation, and the `DragGestureListener` to notify when a drag gesture is detected.

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Method Summary

Methods
Modifier and Type	Method and Description
`void`	`mouseClicked(MouseEvent e)` Invoked when the mouse has been clicked on a component.
`void`	`mouseDragged(MouseEvent e)` Invoked when a mouse button is pressed on a component.
`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 button has been moved on a component (with no buttons no down).
`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`	`registerListeners()` register this DragGestureRecognizer's Listeners with the Component
`protected void`	`unregisterListeners()` unregister this DragGestureRecognizer's Listeners with the Component subclasses must override this method

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Methods inherited from class java.awt.dnd.DragGestureRecognizer
addDragGestureListener, appendEvent, fireDragGestureRecognized, getComponent, getDragSource, getSourceActions, getTriggerEvent, removeDragGestureListener, resetRecognizer, setComponent, setSourceActions

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

- Constructor Detail
  - MouseDragGestureRecognizer
```
protected MouseDragGestureRecognizer(DragSource ds,
                          Component c,
                          int act,
                          DragGestureListener dgl)
```
    Construct a new MouseDragGestureRecognizer given the DragSource for the Component c, the Component to observe, the action(s) permitted for this drag operation, and the DragGestureListener to notify when a drag gesture is detected.
    
    Parameters:
    ds - The DragSource for the Component c
    c - The Component to observe
    act - The actions permitted for this Drag
    dgl - The DragGestureListener to notify when a gesture is detected
  - MouseDragGestureRecognizer
```
protected MouseDragGestureRecognizer(DragSource ds,
                          Component c,
                          int act)
```
    Construct a new MouseDragGestureRecognizer given the DragSource for the Component c, the Component to observe, and the action(s) permitted for this drag operation.
    
    Parameters:
    ds - The DragSource for the Component c
    c - The Component to observe
    act - The actions permitted for this drag
  - MouseDragGestureRecognizer
```
protected MouseDragGestureRecognizer(DragSource ds,
                          Component c)
```
    Construct a new MouseDragGestureRecognizer given the DragSource for the Component c, and the Component to observe.
    
    Parameters:
    ds - The DragSource for the Component c
    c - The Component to observe
  - MouseDragGestureRecognizer
```
protected MouseDragGestureRecognizer(DragSource ds)
```
    Construct a new MouseDragGestureRecognizer given the DragSource for the Component.
    
    Parameters:
    ds - The DragSource for the Component
- Method Detail
  - registerListeners
```
protected void registerListeners()
```
    register this DragGestureRecognizer's Listeners with the Component
    
    Specified by:
    
    registerListeners in class DragGestureRecognizer
  - unregisterListeners
```
protected void unregisterListeners()
```
    unregister this DragGestureRecognizer's Listeners with the Component subclasses must override this method
    
    Specified by:
    
    unregisterListeners in class DragGestureRecognizer
  - mouseClicked
```
public void mouseClicked(MouseEvent e)
```
    Invoked when the mouse has been clicked on a component.
    
    Specified by:
    
    mouseClicked in interface MouseListener
    
    Parameters:
    e - the MouseEvent
  - mousePressed
```
public void mousePressed(MouseEvent e)
```
    Invoked when a mouse button has been pressed on a Component.
    
    Specified by:
    
    mousePressed in interface MouseListener
    
    Parameters:
    e - the MouseEvent
  - mouseReleased
```
public void mouseReleased(MouseEvent e)
```
    Invoked when a mouse button has been released on a component.
    
    Specified by:
    
    mouseReleased in interface MouseListener
    
    Parameters:
    e - the MouseEvent
  - mouseEntered
```
public void mouseEntered(MouseEvent e)
```
    Invoked when the mouse enters a component.
    
    Specified by:
    
    mouseEntered in interface MouseListener
    
    Parameters:
    e - the MouseEvent
  - mouseExited
```
public void mouseExited(MouseEvent e)
```
    Invoked when the mouse exits a component.
    
    Specified by:
    
    mouseExited in interface MouseListener
    
    Parameters:
    e - the MouseEvent
  - mouseDragged
```
public void mouseDragged(MouseEvent e)
```
    Invoked when a mouse button is pressed on a component.
    
    Specified by:
    
    mouseDragged in interface MouseMotionListener
    
    Parameters:
    e - the MouseEvent
  - mouseMoved
```
public void mouseMoved(MouseEvent e)
```
    Invoked when the mouse button has been moved on a component (with no buttons no down).
    
    Specified by:
    
    mouseMoved in interface MouseMotionListener
    
    Parameters:
    e - the MouseEvent

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Dokument erstellt 11/06/2005, zuletzt geändert 04/03/2020
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/java-api-rf-java/awt/dnd/mousedraggesturerecognizer.html

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Referenzen

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Inhaltsverzeichnis Haut

Class MouseDragGestureRecognizer

Field Summary

Fields inherited from class java.awt.dnd.DragGestureRecognizer

Constructor Summary

Method Summary

Methods inherited from class java.awt.dnd.DragGestureRecognizer

Methods inherited from class java.lang.Object

Constructor Detail

MouseDragGestureRecognizer

MouseDragGestureRecognizer

MouseDragGestureRecognizer

MouseDragGestureRecognizer

Method Detail

registerListeners

unregisterListeners

mouseClicked

mousePressed

mouseReleased

mouseEntered

mouseExited

mouseDragged

mouseMoved

Referenzen