org.scijava.input

Interface InputService

All Superinterfaces:

Comparable<Prioritized>, Contextual, Disposable, HasPluginInfo, Prioritized, RichPlugin, SciJavaPlugin, SciJavaService, Service

All Known Implementing Classes:

DefaultInputService

public interface InputService
extends SciJavaService

Interface for service that tracks the current status of input devices (keyboard and mouse in particular).

Author:

Barry DeZonia, Curtis Rueden

Method Summary

Modifier and Type	Method and Description
Display<?>	getDisplay() Gets the display associated with the last observed mouse cursor.
EventService	getEventService()
InputModifiers	getModifiers()
int	getX() Gets the last observed X coordinate of the mouse cursor, relative to a specific display.
int	getY() Gets the last observed Y coordinate of the mouse cursor, relative to a specific display.
boolean	isAltDown()
boolean	isAltGrDown()
boolean	isButtonDown(int button) Gets whether the given mouse button is currently pressed.
boolean	isCtrlDown()
boolean	isKeyDown(KeyCode code)
boolean	isMetaDown()
boolean	isShiftDown()

Methods inherited from interface org.scijava.service.Service

initialize, registerEventHandlers

Methods inherited from interface org.scijava.Contextual

context, getContext, setContext

Methods inherited from interface org.scijava.Prioritized

getPriority, setPriority

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface org.scijava.plugin.HasPluginInfo

getInfo, setInfo

Methods inherited from interface org.scijava.Disposable

dispose

Method Detail

getEventService

EventService getEventService()

getModifiers

InputModifiers getModifiers()

isAltDown

boolean isAltDown()

isAltGrDown

boolean isAltGrDown()

isCtrlDown

boolean isCtrlDown()

isMetaDown

boolean isMetaDown()

isShiftDown

boolean isShiftDown()

isKeyDown

boolean isKeyDown(KeyCode code)

getDisplay

Display<?> getDisplay()

Gets the display associated with the last observed mouse cursor.

Returns:

The display in question, or null if the display has been deleted, or the mouse cursor is outside all known displays, or no mouse events have ever been observed.

getX

int getX()

Gets the last observed X coordinate of the mouse cursor, relative to a specific display.

See Also:

getDisplay()

getY

int getY()

Gets the last observed Y coordinate of the mouse cursor, relative to a specific display.

See Also:

getDisplay()

isButtonDown

boolean isButtonDown(int button)

Gets whether the given mouse button is currently pressed.

Parameters:

button - One of:

• MsButtonEvent.LEFT_BUTTON
• MsButtonEvent.MIDDLE_BUTTON
• MsButtonEvent.RIGHT_BUTTON