[DrJava] [ drjava-Bugs-774444 ] Unpredictable "Null Keystroke" Behavior

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Bugs item #774444, was opened at 2003-07-19 22:42
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Category: User interface
Group: Annoying
Status: Open
Resolution: None
Priority: 5
Submitted By: Peter Centgraf (centgraf)
Assigned to: Peter Centgraf (centgraf)
Summary: Unpredictable "Null Keystroke" Behavior

Initial Comment:
Our current technique for building menu options with no 
default keystroke is to use a "null keystroke" (with 
constructor values set to zero) as the shortcut.  
However, it appears that several keys on standard USB 
keyboards will generate that keystroke when used with 
Java.  I've observed this myself with Metal and Sun's 1.4.
2 on WinXP.  "Print Screen" and "Pause" will do it on my 
current keyboard.  This will trigger an unpredictable menu 
item, depending on quirks of how the menus are 
initialized.  (I've seen it open the About menu in one 
instance and run the "New JUnit Test" command in 
another.)  We should find some way to disable the null 
keystroke or check for it explicitly when building menu 
items.

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