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Quick Lists
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Bug ID:
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4492739
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Votes
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0
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Synopsis
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KeyEvent.getKeyModifiersText(int) unclear
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Category
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guides:none
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Reported Against
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merlin
, tiger-beta
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Release Fixed
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1.5(tiger)
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State
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10-Fix Delivered,
Verified,
bug
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Priority:
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4-Low
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Related Bugs
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Submit Date
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16-AUG-2001
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Description
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Javadoc for
public static String getKeyModifiersText(int modifiers) should declare
the the exactly range of input parameters and the output
values. Currently (in jdk1.4beta-b75) this method for ints:
KeyEvent.BUTTON1_MASK
KeyEvent.BUTTON2_MASK
KeyEvent.BUTTON3_MASK
returns not quite predictable strings. See demo:
-----
import java.awt.*;
import java.awt.event.*;
public class Test {
public static void main(String[] args) {
System.out.println( "KeyEvent.ALT_MASK: " + KeyEvent.getKeyModifiersText(KeyEvent.ALT_MASK) );
System.out.println( "KeyEvent.META_MASK: " + KeyEvent.getKeyModifiersText(KeyEvent.META_MASK) );
System.out.println( "KeyEvent.CTRL_MASK: " + KeyEvent.getKeyModifiersText(KeyEvent.CTRL_MASK) );
System.out.println( "KeyEvent.SHIFT_MASK: " + KeyEvent.getKeyModifiersText(KeyEvent.SHIFT_MASK) );
System.out.println( "KeyEvent.ALT_GRAPH_MASK:" + KeyEvent.getKeyModifiersText(KeyEvent.ALT_GRAPH_MASK) );
System.out.println( "KeyEvent.BUTTON1_MASK: " + KeyEvent.getKeyModifiersText(KeyEvent.BUTTON1_MASK) );
System.out.println( "KeyEvent.BUTTON2_MASK: " + KeyEvent.getKeyModifiersText(KeyEvent.BUTTON2_MASK) );
System.out.println( "KeyEvent.BUTTON3_MASK: " + KeyEvent.getKeyModifiersText(KeyEvent.BUTTON3_MASK) );
}
}
-----
output:
KeyEvent.ALT_MASK: Alt
KeyEvent.META_MASK: Meta
KeyEvent.CTRL_MASK: Ctrl
KeyEvent.SHIFT_MASK: Shift
KeyEvent.ALT_GRAPH_MASK:Alt Graph
KeyEvent.BUTTON1_MASK: Button1
KeyEvent.BUTTON2_MASK: Alt
KeyEvent.BUTTON3_MASK: Meta
Javadoc for this method says:
public static String getKeyModifiersText(int modifiers)
Returns a String describing the modifier key(s), such as "Shift",
or "Ctrl+Shift". These strings can be localized by changing the
awt.properties file.
Returns:
string a text description of the combination of modifier keys
that were held down during the event
======================================================================
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Work Around
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N/A
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Evaluation
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As the submitter discovered, InputEvent.BUTTON2_MASK has the same value as
InputEvent.ALT_MASK and InputEvent.BUTTON3_MASK has the same value as
InputEvent.META_MASK.
Note: a similar problem may exist for MouseEvent.getMouseModifiersText(int).
Perhaps the docs for KeyEvent, MouseEvent, and InputEvent should mention this.
Also, KeyEvent.getKeyModifiersText and MouseEvent.getMouseModifiersText(int)
should probably reference InputEvent.getModifiersExText(int), which does not
have this ambiguity.
xxxxx@xxxxx 2002-08-28
Changes reviewed by Eric. Approved by CCC. Fixed for tiger.
xxxxx@xxxxx 2003-08-29
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Comments
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PLEASE NOTE: JDK6 is formerly known as Project Mustang
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