net.sourceforge.geeboss.view.widget.knob
Class KnobControl

java.lang.Object
  org.eclipse.swt.widgets.Widget
      org.eclipse.swt.widgets.Control
          org.eclipse.swt.widgets.Scrollable
              org.eclipse.swt.widgets.Composite
                  net.sourceforge.geeboss.view.widget.knob.KnobControl

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

Direct Known Subclasses:

StandardKnob

public abstract class KnobControl
extends org.eclipse.swt.widgets.Composite

Base class for knob controls

Author:

Frederic BORRY

Field Summary

static int	HEIGHT Knob height
static int	WIDTH Knob width

Fields inherited from class org.eclipse.swt.widgets.Control

handle

Constructor Summary

KnobControl(Parameter parameter, org.eclipse.swt.widgets.Composite comp, int flag, org.eclipse.swt.graphics.Image background)
Construct a new KnobControl given a background image

Method Summary

protected abstract org.eclipse.swt.graphics.Image[]	getKnobImages() Get implementation specific knob images
int	getMaximum() Getter for max value
int	getMinimum() Getter for min value
int	getValue() Getter for current value
void	redraw() Redraw method override
void	setMaximum(int max) Setter for max value
void	setMinimum(int min) Setter for min value
void	setValue(int value) Externally set the value

Methods inherited from class org.eclipse.swt.widgets.Composite

changed, checkSubclass, computeSize, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, setFocus, setLayout, setLayoutDeferred, setTabList

Methods inherited from class org.eclipse.swt.widgets.Scrollable

computeTrim, getClientArea, getHorizontalBar, getVerticalBar

Methods inherited from class org.eclipse.swt.widgets.Control

addControlListener, addFocusListener, addHelpListener, addKeyListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addPaintListener, addTraverseListener, computeSize, forceFocus, getAccessible, getBackground, getBorderWidth, getBounds, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getParent, getShell, getSize, getToolTipText, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, redraw, removeControlListener, removeFocusListener, removeHelpListener, removeKeyListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removePaintListener, removeTraverseListener, setBackground, setBounds, setBounds, setCapture, setCursor, setEnabled, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setParent, setRedraw, setSize, setSize, setToolTipText, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, update

Methods inherited from class org.eclipse.swt.widgets.Widget

addDisposeListener, addListener, checkWidget, dispose, getData, getData, getDisplay, getStyle, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, setData, setData, toString

Methods inherited from class java.lang.Object

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

Field Detail

WIDTH

public static final int WIDTH

Knob width

See Also:

Constant Field Values

HEIGHT

public static final int HEIGHT

Knob height

See Also:

Constant Field Values

Constructor Detail

KnobControl

public KnobControl(Parameter parameter,
                   org.eclipse.swt.widgets.Composite comp,
                   int flag,
                   org.eclipse.swt.graphics.Image background)

Construct a new KnobControl given a background image

Parameters:

parameter - the parameter edited by this control

comp - the parent composite

flag - the style flag

background - the background image

Method Detail

getKnobImages

protected abstract org.eclipse.swt.graphics.Image[] getKnobImages()

Get implementation specific knob images

Returns:

a array of knob images

redraw

public void redraw()

Redraw method override

Overrides:

redraw in class org.eclipse.swt.widgets.Control

setMaximum

public void setMaximum(int max)

Setter for max value

Parameters:

max - the max value

getMaximum

public int getMaximum()

Getter for max value

Returns:

the max value

setMinimum

public void setMinimum(int min)

Setter for min value

Parameters:

min - the min value

getMinimum

public int getMinimum()

Getter for min value

Returns:

the min value

setValue

public void setValue(int value)

Externally set the value

Parameters:

value - the new value

getValue

public int getValue()

Getter for current value

Returns:

the current value