Standard Widget Toolkit for GTK 3.125.0 · org.eclipse.swt.custom.MouseNavigator

This class add the following behaviour to StyledText widgets:

When the user clicks on the wheel, a circle with arrows appears. When the user moves the mouse, the StyledText content is scrolled (on the right or on the left for horizontal movements, up or down for vertical movements).

Field Summary

Modifier and Type	Field and Description
private static final int	CENTRAL_POINT_RADIUS
private static final int	CIRCLE_RADIUS
private final Listener	focusOutListener
private GC	gc
private boolean	hasHBar
private boolean	hasVBar
private final Listener	mouseDownListener
private final Listener	mouseMoveListener
private final Listener	mouseUpListener
pack-priv boolean	navigationActivated
private Point	originalMouseLocation
private final Listener	paintListener
private final StyledText	parent
private Cursor	previousCursor

Constructor Summary

Access	Constructor and Description
pack-priv	MouseNavigator(final StyledText styledText)

Method Summary

Modifier and Type	Method and Description
public int	computeDist()
private boolean	computeHasHorizontalBar()
private boolean	computeHasVerticalBar()
private void	deactivate()
pack-priv void	dispose()
private void	drawArrows()
private void	drawCentralPoint()
private void	drawCircle()
private void	drawHorizontalArrows()
private void	drawVerticalArrows()
private void	fireSelectionEvent(final Event e, final ScrollBar bar)
private Point	getMouseLocation()
private void	initBarState()
private void	onFocusOut(Event e)
pack-priv void	onMouseDown(Event e)
private void	onMouseMove(Event e)
private void	onMouseUp(Event e)
private void	onPaint(final Event e)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

CENTRAL_POINT_RADIUS	back to summary
private static final int CENTRAL_POINT_RADIUS

CIRCLE_RADIUS	back to summary
private static final int CIRCLE_RADIUS

focusOutListener	back to summary
private final Listener focusOutListener

gc	back to summary
private GC gc

hasHBar	back to summary
private boolean hasHBar

hasVBar	back to summary
private boolean hasVBar

mouseDownListener	back to summary
private final Listener mouseDownListener

mouseMoveListener	back to summary
private final Listener mouseMoveListener

mouseUpListener	back to summary
private final Listener mouseUpListener

navigationActivated	back to summary
pack-priv boolean navigationActivated

originalMouseLocation	back to summary
private Point originalMouseLocation

paintListener	back to summary
private final Listener paintListener

parent	back to summary
private final StyledText parent

previousCursor	back to summary
private Cursor previousCursor

Constructor Detail

MouseNavigator	back to summary
pack-priv MouseNavigator(final StyledText styledText)

Method Detail

computeDist	back to summary
public int computeDist()

computeHasHorizontalBar	back to summary
private boolean computeHasHorizontalBar()

computeHasVerticalBar	back to summary
private boolean computeHasVerticalBar()

deactivate	back to summary
private void deactivate()

dispose	back to summary
pack-priv void dispose()

drawArrows	back to summary
private void drawArrows()

drawCentralPoint	back to summary
private void drawCentralPoint()

drawCircle	back to summary
private void drawCircle()

drawHorizontalArrows	back to summary
private void drawHorizontalArrows()

drawVerticalArrows	back to summary
private void drawVerticalArrows()

fireSelectionEvent	back to summary
private void fireSelectionEvent(final Event e, final ScrollBar bar)

getMouseLocation	back to summary
private Point getMouseLocation()

initBarState	back to summary
private void initBarState()

onFocusOut	back to summary
private void onFocusOut(Event e)

onMouseDown	back to summary
pack-priv void onMouseDown(Event e)

onMouseMove	back to summary
private void onMouseMove(Event e)

onMouseUp	back to summary
private void onMouseUp(Event e)