org.eclipse.swt.widgets

Class FontDialog

java.lang.Object

org.eclipse.swt.widgets.Dialog

org.eclipse.swt.widgets.FontDialog

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 not intended to be subclassed.

See Also:

SWT Example: ControlExample, Dialog tab, Sample code and further information

Structure Diagram

Field Summary

Fields

Modifier and Type	Field and Description
(package private) boolean	effectsVisible
(package private) FontData	fontData
(package private) RGB	rgb

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

parent, style, title

Constructor Summary

Constructors

Constructor and Description
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

Methods

Modifier and Type	Method and Description
boolean	getEffectsVisible() Returns true if the dialog's effects selection controls are visible, and false otherwise.
FontData	getFontData() Deprecated. use #getFontList ()
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.
void	setEffectsVisible(boolean visible) Sets the effects selection controls in the dialog visible if the argument is true, and invisible otherwise.
void	setFontData(FontData fontData) Deprecated. use #setFontList (FontData [])
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

checkParent, checkStyle, checkSubclass, error, getParent, getStyle, getText, setText

Methods inherited from class java.lang.Object

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

Field Detail

fontData

FontData fontData

rgb

RGB rgb

effectsVisible

boolean effectsVisible

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

getEffectsVisible

public boolean getEffectsVisible()

Returns true if the dialog's effects selection controls are visible, and false otherwise.

If the platform's font dialog does not have any effects selection controls, then this method always returns false.

Returns:

true if the dialog's effects selection controls are visible and false otherwise

Since:

3.8

getFontData

public FontData getFontData()

Deprecated. use #getFontList ()

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

Returns:

the FontData for the selected font, or null

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

Since:

2.1.1

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

Since:

2.1

See Also:

PaletteData.getRGBs()

open

public FontData open()

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

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

setEffectsVisible

public void setEffectsVisible(boolean visible)

Sets the effects selection controls in the dialog visible if the argument is true, and invisible otherwise.

By default the effects selection controls are displayed if the platform font dialog supports effects selection.

Parameters:

visible - whether or not the dialog will show the effects selection controls

Since:

3.8

setFontData

public void setFontData(FontData fontData)

Deprecated. use #setFontList (FontData [])

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

Parameters:

fontData - the FontData to use initially, 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

Since:

2.1.1

See Also:

Font.getFontData()

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

Since:

2.1

See Also:

PaletteData.getRGBs()