com.tensegrity.gui.swt.control.buttons
Class GradientButton

java.lang.Object
  org.eclipse.swt.widgets.Widget
      org.eclipse.swt.widgets.Control
          org.eclipse.swt.widgets.Scrollable
              org.eclipse.swt.widgets.Composite
                  org.eclipse.swt.widgets.Canvas
                      com.tensegrity.gui.swt.control.widgets.BorderedWidget
                          com.tensegrity.gui.swt.control.buttons.AbstractButton
                              com.tensegrity.gui.swt.control.buttons.GradientButton

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable, java.util.EventListener, org.eclipse.swt.events.MouseListener, org.eclipse.swt.internal.SWTEventListener

public class GradientButton

extends AbstractButton

This class displays a fill gradient. When the user clicks on it he can select from other known gradients

Version:

$Id: GradientButton.java,v 1.10 2005/03/23 08:07:55 ArndHouben Exp $

Author:

Arnd Houben

Field Summary

Fields inherited from class com.tensegrity.gui.swt.control.widgets.BorderedWidget

indent

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

handle

Constructor Summary

GradientButton(org.eclipse.swt.widgets.Composite parent, int style, PaintItem pItem, UIManager uiManager)
Constructor expects a paint item for initialization

Method Summary

protected void	draw(org.eclipse.swt.graphics.GC gc, org.eclipse.swt.graphics.Rectangle cArea) Draw the content.
int	getGradientBackground() Gets the gradient background color
int	getGradientForeground() Gets the gradient foreground color
int	getGradientType() Returns the gradient type.
void	mouseDown(org.eclipse.swt.events.MouseEvent me)
void	setColor(int color) Sets the background color of the gradient
protected void	widgetDisposed(org.eclipse.swt.events.DisposeEvent de) Called on dispose events.

Methods inherited from class com.tensegrity.gui.swt.control.buttons.AbstractButton

addSelectionListener, mouseDoubleClick, mouseUp, notifyListeners, removeSelectionListener

Methods inherited from class com.tensegrity.gui.swt.control.widgets.BorderedWidget

computeSize, hasBorder, setBorderColor

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

getCaret, scroll, setCaret, setFont

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

checkSubclass, getChildren, getLayout, getTabList, layout, layout, setFocus, setLayout, 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, redraw, removeControlListener, removeFocusListener, removeHelpListener, removeKeyListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removePaintListener, removeTraverseListener, setBackground, setBounds, setBounds, setCapture, setCursor, setEnabled, 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

Constructor Detail

GradientButton

public GradientButton(org.eclipse.swt.widgets.Composite parent,
                      int style,
                      PaintItem pItem,
                      UIManager uiManager)

Constructor expects a paint item for initialization

Parameters:

parent - the composite to add this GradientButton to

style - the SWT style bits

pItem - with the initial gradient type

uiManager - the UIManager used for internationalization

Method Detail

getGradientBackground

public final int getGradientBackground()

Gets the gradient background color

Returns:

background color encoded as Tensegrity Color Format

getGradientForeground

public final int getGradientForeground()

Gets the gradient foreground color

Returns:

foreground color encoded as Tensegrity Color Format

getGradientType

public final int getGradientType()

Returns the gradient type. Right now SWT natively supports only vertical and horizontal directions.

Returns:

the gradient type

setColor

public final void setColor(int color)

Sets the background color of the gradient

Parameters:

color - the background color in Tensegrity color format

mouseDown

public void mouseDown(org.eclipse.swt.events.MouseEvent me)

widgetDisposed

protected void widgetDisposed(org.eclipse.swt.events.DisposeEvent de)

Description copied from class: BorderedWidget

Called on dispose events. Implementing classes should release all their requested resources

Overrides:

widgetDisposed in class AbstractButton

draw

protected void draw(org.eclipse.swt.graphics.GC gc,
                    org.eclipse.swt.graphics.Rectangle cArea)

Description copied from class: BorderedWidget

Draw the content.

Specified by:

draw in class BorderedWidget

Parameters:

gc - the graphicd context to use for drawing

cArea - the area an implementing class can use for drawing