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org.eclipse.gef
Class MouseWheelHandler.KeyGenerator

java.lang.Object
  
org.eclipse.gef.MouseWheelHandler.KeyGenerator

Enclosing class:

MouseWheelHandler

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public static class MouseWheelHandler.KeyGenerator

extends java.lang.Object

A utility class used to generate keys from a given stateMask. A MouseWheelHandler registered with such a key would only be asked to handle mouse-wheel events that have the same stateMask as the one that was used to generate the key.

Since:

3.1

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Constructor Summary

MouseWheelHandler.KeyGenerator ()

 

Method Summary
static java.lang.String	getKey (int stateMask)           The returned String is guaranteed to be equal for two different invocations with the same stateMask.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

MouseWheelHandler.KeyGenerator

public MouseWheelHandler.KeyGenerator()

Method Detail

getKey

public static java.lang.String getKey(int stateMask)

The returned String is guaranteed to be equal for two different invocations with the same stateMask.

Valid stateMasks are SWT.NONE, SWT.CTRL, SWT.COMMAND, SWT.ALT, SWT.SHIFT, SWT.MOD1, SWT.MOD2, SWT.MOD3, SWT.MOD4, SWT.BUTTON* or any combination thereof.

Parameters:

stateMask - the state indicating which buttons/modifiers are active

Returns:

key for the given stateMask

Throws:

java.lang.IllegalArgumentException - if the given stateMask is not valid

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