org.eclipse.swt.widgets
Class FontDialog

java.lang.Object
  org.eclipse.swt.widgets.Dialog
      org.eclipse.swt.widgets.FontDialog

All Implemented Interfaces:

Adaptable

public class FontDialog
extends Dialog

Instances of this class allow the user to select a font from all available fonts in the system.

Styles:

(none)

Events:

(none)

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

Since:

1.3

Field Summary

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

returnCode, shell

Constructor Summary

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

FontDialog(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

FontData[]	getFontList() Returns a FontData set describing the font that was selected in the dialog, or null if none is available.
RGB	getRGB() Returns an RGB describing the color that was selected in the dialog, or null if none is available.
FontData	open() Makes the dialog visible and brings it to the front of the display.
protected void	prepareOpen()
void	setFontList(FontData[] fontData) Sets the set of FontData objects describing the font to be selected by default in the dialog, or null to let the platform choose one.
void	setRGB(RGB rgb) Sets the RGB describing the color to be selected by default in the dialog, or null to let the platform choose one.

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

checkOperationMode, checkSubclass, getAdapter, getParent, getStyle, getText, runEventLoop, setText

Methods inherited from class java.lang.Object

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

Constructor Detail

FontDialog

public FontDialog(Shell parent)

Constructs a new instance of this class given only its parent.

Parameters:

parent - a shell which will be the parent of the new instance

Throws:

java.lang.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

FontDialog

public FontDialog(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 shell which will be the parent of the new instance

style - the style of dialog to construct

Throws:

java.lang.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

Method Detail

getFontList

public FontData[] getFontList()

Returns a FontData set describing the font that was selected in the dialog, or null if none is available.

Returns:

the FontData for the selected font, or null

setFontList

public void setFontList(FontData[] fontData)

Sets the set of FontData objects describing the font to be selected by default in the dialog, or null to let the platform choose one.

Parameters:

fontData - the set of FontData objects to use initially, or null to let the platform select a default when open() is called

See Also:

Font.getFontData()

getRGB

public RGB getRGB()

Returns an RGB describing the color that was selected in the dialog, or null if none is available.

Returns:

the RGB value for the selected color, or null

See Also:

PaletteData.getRGBs()

setRGB

public void setRGB(RGB rgb)

Sets the RGB describing the color to be selected by default in the dialog, or null to let the platform choose one.

Parameters:

rgb - the RGB value to use initially, or null to let the platform select a default when open() is called

See Also:

PaletteData.getRGBs()

open

public FontData open()

Makes the dialog visible and brings it to the front of the display.

This method is not supported when running the application in JEE_COMPATIBILITY mode. Use DialogUtil#open instead.

Returns:

a FontData object describing the font that was selected, or null if the dialog was cancelled or an error occurred

Throws:

SWTException -

• ERROR_WIDGET_DISPOSED - if the dialog has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog

java.lang.UnsupportedOperationException - when running the application in JEE_COMPATIBILITY mode

See Also:

Application.OperationMode

prepareOpen

protected void prepareOpen()

Overrides:

prepareOpen in class Dialog