Package org.eclipse.swt.widgets
Class ColorDialog
java.lang.Object
org.eclipse.swt.widgets.Dialog
org.eclipse.swt.widgets.ColorDialog
- All Implemented Interfaces:
- Adaptable
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.
- Since:
- 1.2
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Field SummaryFields inherited from class org.eclipse.swt.widgets.DialogreturnCode, shell
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Constructor SummaryConstructorsConstructorDescriptionColorDialog(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.
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Method SummaryMethods inherited from class org.eclipse.swt.widgets.DialogcheckOperationMode, checkSubclass, getAdapter, getParent, getStyle, getText, open, runEventLoop, setText
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Constructor Details- 
ColorDialogConstructs 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:
 
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ColorDialogConstructs 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 SWTwhich is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using theint"|" operator) two or more of thoseSWTstyle 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:
 
 
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Method Details- 
openMakes the receiver visible and brings it to the front of the display.RAP Note: This method is not supported when running the application in JEE_COMPATIBILITY mode. Use Dialog#open(DialogCallback)instead.- 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
 
- UnsupportedOperationException- when running the application in JEE_COMPATIBILITY mode
- See Also:
 
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getRGBReturns the currently selected color in the receiver.- Returns:
- the RGB value for the selected color, may be null
- See Also:
 
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setRGBSets 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:
 
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prepareOpenprotected void prepareOpen()- Overrides:
- prepareOpenin class- Dialog
 
 
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