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Eclipse Platform
Release 3.5

org.eclipse.swt.widgets
Class ColorDialog


java.lang.Object
  extended by 

org.eclipse.swt.widgets.Dialog
      extended by 
org.eclipse.swt.widgets.ColorDialog

public class ColorDialog
extends Dialog

Instances of this class allow the user to select a color from a predefined set of available colors.

Styles:
(none)
Events:
(none)

IMPORTANT: This class is intended to be subclassed only within the SWT implementation.

See Also:
SWT Example: ControlExample, Dialog tab, Sample code and further information
Restriction:
This class is not intended to be subclassed by clients.

Constructor Summary
ColorDialog ( Shell parent)
          Constructs a new instance of this class given only its parent.
ColorDialog ( Shell parent, int style)
          Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.
 
Method Summary
  RGB getRGB ()
          Returns the currently selected color in the receiver.
  RGB open ()
          Makes the receiver visible and brings it to the front of the display.
 void setRGB ( RGB rgb)
          Sets the receiver's selected color to be the argument.
 
Methods inherited from class org.eclipse.swt.widgets. Dialog
checkSubclass, getParent, getStyle, getText, setText
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ColorDialog

public ColorDialog(
Shell parent)
Constructs a new instance of this class given only its parent.

Parameters:
parent - a composite control which will be the parent of the new instance
Throws:
IllegalArgumentException -
  • ERROR_NULL_ARGUMENT - if the parent is null
SWTException -
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
  • ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
See Also:
SWT, Widget.checkSubclass(), Widget.getStyle()

ColorDialog

public ColorDialog(
Shell parent,
                   int style)
Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

The style value is either one of the style constants defined in class SWT which is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using the int "|" operator) two or more of those SWT style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.

Parameters:
parent - a composite control which will be the parent of the new instance (cannot be null)
style - the style of control to construct
Throws:
IllegalArgumentException -
  • ERROR_NULL_ARGUMENT - if the parent is null
SWTException -
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
  • ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass
See Also:
SWT, Widget.checkSubclass(), Widget.getStyle()
Method Detail

getRGB

public 
RGB getRGB()
Returns the currently selected color in the receiver.

Returns:
the RGB value for the selected color, may be null
See Also:
PaletteData.getRGBs()

open

public 
RGB open()
Makes the receiver visible and brings it to the front of the display.

Returns:
the selected color, or null if the dialog was cancelled, no color was selected, or an error occurred
Throws:
SWTException -
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

setRGB

public void setRGB(
RGB rgb)
Sets the receiver's selected color to be the argument.

Parameters:
rgb - the new RGB value for the selected color, may be null to let the platform select a default when open() is called
See Also:
PaletteData.getRGBs()

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire