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java.awt.event
Class InputMethodEvent

java.lang.Object
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 +--java.util.EventObject
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 +--java.awt.AWTEvent
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 +--java.awt.event.InputMethodEvent

All Implemented Interfaces:

Serializable

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public class InputMethodEvent

extends AWTEvent

Safe:

See Also:

Serialized Form

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serialVersionUID

private static final long serialVersionUID

Serial Version ID.

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INPUT_METHOD_FIRST

public static final int INPUT_METHOD_FIRST

Enabled: Marks the first integer id for the range of input method event ids.

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INPUT_METHOD_TEXT_CHANGED

public static final int INPUT_METHOD_TEXT_CHANGED

Enabled: The event type indicating changed input method text. This event is generated by input methods while processing input.

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CARET_POSITION_CHANGED

public static final int CARET_POSITION_CHANGED

Enabled: The event type indicating a changed insertion point in input method text. This event is generated by input methods while processing input if only the caret changed.

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INPUT_METHOD_LAST

public static final int INPUT_METHOD_LAST

Enabled: Marks the last integer id for the range of input method event ids.

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when

long when

The time stamp that indicates when the event was created.

Since:

1.4

See Also:

getWhen()

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text

private transient java.text.AttributedCharacterIterator text

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committedCharacterCount

private transient int committedCharacterCount

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caret

private transient java.awt.font.TextHitInfo caret

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visiblePosition

private transient java.awt.font.TextHitInfo visiblePosition

InputMethodEvent

public InputMethodEvent(Component source,
 int id,
 long when,
 java.text.AttributedCharacterIterator text,
 int committedCharacterCount,
 java.awt.font.TextHitInfo caret,
 java.awt.font.TextHitInfo visiblePosition)

Suppressed: Constructs an InputMethodEvent with the specified source component, type, time, text, caret, and visiblePosition.

The offsets of caret and visiblePosition are relative to the current composed text; that is, the composed text within text if this is an INPUT_METHOD_TEXT_CHANGED event, the composed text within the text of the preceding INPUT_METHOD_TEXT_CHANGED event otherwise.

Parameters:

source - the object where the event originated

id - the event type

when - a long integer that specifies the time the event occurred

text - the combined committed and composed text, committed text first; must be null when the event type is CARET_POSITION_CHANGED; may be null for INPUT_METHOD_TEXT_CHANGED if there's no committed or composed text

committedCharacterCount - the number of committed characters in the text

caret - the caret (a.k.a. insertion point); null if there's no caret within current composed text

visiblePosition - the position that's most important to be visible; null if there's no recommendation for a visible position within current composed text

Since:

1.4

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InputMethodEvent

public InputMethodEvent(Component source,
 int id,
 java.text.AttributedCharacterIterator text,
 int committedCharacterCount,
 java.awt.font.TextHitInfo caret,
 java.awt.font.TextHitInfo visiblePosition)

Suppressed: Constructs an InputMethodEvent with the specified source component, type, text, caret, and visiblePosition.

The offsets of caret and visiblePosition are relative to the current composed text; that is, the composed text within text if this is an INPUT_METHOD_TEXT_CHANGED event, the composed text within the text of the preceding INPUT_METHOD_TEXT_CHANGED event otherwise. The time stamp for this event is initialized by invoking java.awt.EventQueue#getMostRecentEventTime().

Parameters:

source - the object where the event originated

id - the event type

text - the combined committed and composed text, committed text first; must be null when the event type is CARET_POSITION_CHANGED; may be null for INPUT_METHOD_TEXT_CHANGED if there's no committed or composed text

committedCharacterCount - the number of committed characters in the text

caret - the caret (a.k.a. insertion point); null if there's no caret within current composed text

visiblePosition - the position that's most important to be visible; null if there's no recommendation for a visible position within current composed text

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InputMethodEvent

public InputMethodEvent(Component source,
 int id,
 java.awt.font.TextHitInfo caret,
 java.awt.font.TextHitInfo visiblePosition)

Suppressed: Constructs an InputMethodEvent with the specified source component, type, caret, and visiblePosition. The text is set to null, committedCharacterCount to 0.

The offsets of caret and visiblePosition are relative to the current composed text; that is, the composed text within the text of the preceding INPUT_METHOD_TEXT_CHANGED event if the event being constructed as a CARET_POSITION_CHANGED event. For an INPUT_METHOD_TEXT_CHANGED event without text, caret and visiblePosition must be null. The time stamp for this event is initialized by invoking java.awt.EventQueue#getMostRecentEventTime().

Parameters:

source - the object where the event originated

id - the event type

caret - the caret (a.k.a. insertion point); null if there's no caret within current composed text

visiblePosition - the position that's most important to be visible; null if there's no recommendation for a visible position within current composed text

getText

public java.text.AttributedCharacterIterator getText()

Enabled: Gets the combined committed and composed text. Characters from index 0 to index getCommittedCharacterCount() - 1 are committed text, the remaining characters are composed text.

Returns:

the text. Always null for CARET_POSITION_CHANGED; may be null for INPUT_METHOD_TEXT_CHANGED if there's no composed or committed text.

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getCommittedCharacterCount

public int getCommittedCharacterCount()

Enabled: Gets the number of committed characters in the text.

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getCaret

public java.awt.font.TextHitInfo getCaret()

Enabled: Gets the caret.

The offset of the caret is relative to the current composed text; that is, the composed text within getText() if this is an INPUT_METHOD_TEXT_CHANGED event, the composed text within getText() of the preceding INPUT_METHOD_TEXT_CHANGED event otherwise.

Returns:

the caret (a.k.a. insertion point). Null if there's no caret within current composed text.

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getVisiblePosition

public java.awt.font.TextHitInfo getVisiblePosition()

Enabled: Gets the position that's most important to be visible.

The offset of the visible position is relative to the current composed text; that is, the composed text within getText() if this is an INPUT_METHOD_TEXT_CHANGED event, the composed text within getText() of the preceding INPUT_METHOD_TEXT_CHANGED event otherwise.

Returns:

the position that's most important to be visible. Null if there's no recommendation for a visible position within current composed text.

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consume

public void consume()

Enabled: Consumes this event so that it will not be processed in the default manner by the source which originated it.

Overrides:

consume in class AWTEvent

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isConsumed

public boolean isConsumed()

Enabled: Returns whether or not this event has been consumed.

Overrides:

isConsumed in class AWTEvent

See Also:

consume()

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getWhen

public long getWhen()

Suppressed: Returns the time stamp of when this event occurred.

Returns:

this event's timestamp

Since:

1.4

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paramString

public String paramString()

Suppressed: Returns a parameter string identifying this event. This method is useful for event-logging and for debugging. It contains the event ID in text form, the characters of the committed and composed text separated by "+", the number of committed characters, the caret, and the visible position.

Overrides:

paramString in class AWTEvent

Returns:

a string identifying the event and its attributes

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readObject

private void readObject(ObjectInputStream s)
 throws ClassNotFoundException,
 IOException

Initializes the when field if it is not present in the object input stream. In that case, the field will be initialized by invoking java.awt.EventQueue#getMostRecentEventTime().

ClassNotFoundException

IOException

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