org.vishia.gral.swt

Class SwtGralMouseListener.MouseListenerGralAction

java.lang.Object

org.vishia.gral.swt.SwtGralMouseListener.MouseListenerNoAction

org.vishia.gral.swt.SwtGralMouseListener.MouseListenerGralAction

Enclosing class:

SwtGralMouseListener

public static class SwtGralMouseListener.MouseListenerGralAction
extends SwtGralMouseListener.MouseListenerNoAction

This class is the implementation of a SWT MouseListener and implements methods which invokes the GralWidget.setActionMouse(GralMouseWidgetAction_ifc, int) or the GralWidget.setActionChange(GralUserAction) on the determined mouse clicks.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isPressed Used in the implementation level for the paint routine.
protected MouseMoveListener	mouseMoveListener TODO invoke user action if mouse releases the area
private int	xMousePress Positions saved on mouse press, to detect whether the mouse-release occurs in the pressed area.
private int	yMousePress Positions saved on mouse press, to detect whether the mouse-release occurs in the pressed area.

Fields inherited from class org.vishia.gral.swt.SwtGralMouseListener.MouseListenerNoAction

xDown, yDown

Constructor Summary

Constructors

Constructor and Description
MouseListenerGralAction() Constructor.

Method Summary

Modifier and Type	Method and Description
void	mouseDoubleClick(MouseEvent e) The mouse doubleclick is left empty.
void	mouseDown(MouseEvent ev) The mouse-down action save some informations about the widget.
void	mouseUp(MouseEvent ev) The default behavior for mouse up is used for design mode.

Methods inherited from class java.lang.Object

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

Field Detail

xMousePress

private int xMousePress

Positions saved on mouse press, to detect whether the mouse-release occurs in the pressed area. If the mouse-position is shifted outside the area of the widget, the mouse-release-user-action is not executed.

yMousePress

private int yMousePress

Positions saved on mouse press, to detect whether the mouse-release occurs in the pressed area. If the mouse-position is shifted outside the area of the widget, the mouse-release-user-action is not executed.

isPressed

protected boolean isPressed

Used in the implementation level for the paint routine. Therefore it is package private.

mouseMoveListener

protected MouseMoveListener mouseMoveListener

TODO invoke user action if mouse releases the area

Constructor Detail

MouseListenerGralAction

public MouseListenerGralAction()

Constructor.

Parameters:

mouseWidgetAction - Action invoked, maybe null

mUser - 0 or or-combinations of bits in GralMouseWidgetAction_ifc.mUser1down and all other mUser... If one of this bits is set, the GralWidget.setActionChange(GralUserAction) is invoked on the appropriate mouse action after and independent of the mouseWidgetAction.

Method Detail

mouseDoubleClick

public void mouseDoubleClick(MouseEvent e)

Description copied from class: SwtGralMouseListener.MouseListenerNoAction

The mouse doubleclick is left empty. It may be overridden by an derived class.

Overrides:

mouseDoubleClick in class SwtGralMouseListener.MouseListenerNoAction

mouseDown

public void mouseDown(MouseEvent ev)

Description copied from class: SwtGralMouseListener.MouseListenerNoAction

The mouse-down action save some informations about the widget. It may be overridden by an derived class, then this method should be invoked within.

Overrides:

mouseDown in class SwtGralMouseListener.MouseListenerNoAction

mouseUp

public void mouseUp(MouseEvent ev)

Description copied from class: SwtGralMouseListener.MouseListenerNoAction

The default behavior for mouse up is used for design mode.

Overrides:

mouseUp in class SwtGralMouseListener.MouseListenerNoAction