Package org.eclipse.swt.internal

Class BidiUtil

java.lang.Object

org.eclipse.swt.internal.BidiUtil

public class BidiUtil
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CLASS_ARABIC
static final int	CLASS_HEBREW
static final int	CLASS_LATINNUMBER
static final int	CLASS_LOCALNUMBER
static final int	CLASSIN
static final int	GLYPHSHAPE
static final int	KEYBOARD_BIDI
static final int	KEYBOARD_NON_BIDI
static final int	LIGATE
static final int	LINKAFTER
static final int	LINKBEFORE
static final int	REORDER

Constructor Summary

Constructors

Constructor	Description
BidiUtil()

Method Summary

Modifier and Type	Method	Description
static void	addLanguageListener(Control control, Runnable runnable)
static int	getKeyboardLanguage()	Return the active keyboard language type.
static boolean	isBidiPlatform()	Return whether or not the platform supports a bidi language.
static void	removeLanguageListener(Control control)
static int	resolveTextDirection(String text)	Determine the base direction for the given text.
static void	setKeyboardLanguage(int language)	Switch the keyboard language to the specified language type.

Methods inherited from class java.lang.Object

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

Field Details

KEYBOARD_NON_BIDI

public static final int KEYBOARD_NON_BIDI

See Also:

• Constant Field Values

KEYBOARD_BIDI

public static final int KEYBOARD_BIDI

See Also:

• Constant Field Values

CLASSIN

public static final int CLASSIN

See Also:

• Constant Field Values

LINKBEFORE

public static final int LINKBEFORE

See Also:

• Constant Field Values

LINKAFTER

public static final int LINKAFTER

See Also:

• Constant Field Values

CLASS_HEBREW

public static final int CLASS_HEBREW

See Also:

• Constant Field Values

CLASS_ARABIC

public static final int CLASS_ARABIC

See Also:

• Constant Field Values

CLASS_LOCALNUMBER

public static final int CLASS_LOCALNUMBER

See Also:

• Constant Field Values

CLASS_LATINNUMBER

public static final int CLASS_LATINNUMBER

See Also:

• Constant Field Values

REORDER

public static final int REORDER

See Also:

• Constant Field Values

LIGATE

public static final int LIGATE

See Also:

• Constant Field Values

GLYPHSHAPE

public static final int GLYPHSHAPE

See Also:

• Constant Field Values

Constructor Details

BidiUtil

public BidiUtil()

Method Details

addLanguageListener

public static void addLanguageListener(Control control,
 Runnable runnable)

getKeyboardLanguage

public static int getKeyboardLanguage()

Return the active keyboard language type.

Returns:

an integer representing the active keyboard language (KEYBOARD_BIDI, KEYBOARD_NON_BIDI)

isBidiPlatform

public static boolean isBidiPlatform()

Return whether or not the platform supports a bidi language. Determine this by looking at the languages that are installed.

Returns:

true if bidi is supported, false otherwise. Always false on Windows CE.

removeLanguageListener

public static void removeLanguageListener(Control control)

resolveTextDirection

public static int resolveTextDirection(String text)

Determine the base direction for the given text. The direction is derived from the first strong bidirectional RIGHT_TO_LEFT character. Or if that does not exist from the first strong LEFT_TO_RIGHT character

Parameters:

text - Text base direction should be resolved for.

Returns:

SWT#LEFT_RIGHT or SWT#RIGHT_TO_LEFT if the text contains strong characters and thus the direction can be resolved, SWT#NONE otherwise.

Since:

3.105

setKeyboardLanguage

public static void setKeyboardLanguage(int language)

Switch the keyboard language to the specified language type. We do not distinguish between multiple bidi or multiple non-bidi languages, so set the keyboard to the first language of the given type.

Parameters:

language - integer representing language. One of KEYBOARD_BIDI, KEYBOARD_NON_BIDI.