com.tensegrity.gui.swt.control.widgets
Class BorderedWidget

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

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

Direct Known Subclasses:

AbstractButton, AnchorLabel, GradientLabel, MarkerLabel, PaintItemLabel

public abstract class BorderedWidget

extends org.eclipse.swt.widgets.Canvas

Absract base class for widgets which need to draw a border around their content.

Version:

$Id: BorderedWidget.java,v 1.7 2005/09/02 09:52:12 ArndHouben Exp $

Author:

Arnd Houben

Field Summary

protected int

indent the border thickness

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

handle

Constructor Summary

BorderedWidget(org.eclipse.swt.widgets.Composite parent, int style)
Default constructor

Method Summary

org.eclipse.swt.graphics.Point	computeSize(int wHint, int hHint, boolean changed)
protected abstract void	draw(org.eclipse.swt.graphics.GC gc, org.eclipse.swt.graphics.Rectangle cArea) Draw the content.
boolean	hasBorder() Indicates whether or not the Widget has a Border.
void	setBorderColor(org.eclipse.swt.graphics.Color borderColor) Changes the border color.
protected abstract void	widgetDisposed(org.eclipse.swt.events.DisposeEvent de) Called on dispose events.

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

Field Detail

indent

protected int indent

the border thickness

Constructor Detail

BorderedWidget

public BorderedWidget(org.eclipse.swt.widgets.Composite parent,
                      int style)

Default constructor

Parameters:

parent - the composite to add this BorderedWidget to

style - SWT style bits. Set SWT.BORDER to enable the drawing of a border

Method Detail

setBorderColor

public final void setBorderColor(org.eclipse.swt.graphics.Color borderColor)

Changes the border color.

Parameters:

borderColor - the new border color

computeSize

public org.eclipse.swt.graphics.Point computeSize(int wHint,
                                                  int hHint,
                                                  boolean changed)

hasBorder

public final boolean hasBorder()

Indicates whether or not the Widget has a Border.

Returns:

true if the Widget has a border, false otherwise.

widgetDisposed

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

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

Parameters:

de - a DisposeEvent instance with additional information

draw

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

Draw the content.

Parameters:

gc - the graphicd context to use for drawing

cArea - the area an implementing class can use for drawing