Iwidgets Bugs item #1405162, was opened at 2006-01-13 19:56
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: DayDayUp (daydayup)
Assigned to: Nobody/Anonymous (nobody)
Summary: Extbutton::state does not check previous state 

Initial Comment:
I looked up the file extbutton.itk in my ActiveTcl 
package. 

In iwidgets::Extbutton::state function 
implementation, if state is set to 'disabled', it 
will save the current configurations of foreground 
and cursor to _oldValues(-fg) and _oldValues(-
cursor); if state is set to 'normal', it will set the 
foreground and cursor back by reading the _oldValues.

It works fine as long as the extbutton change the 
state between 'disabled' and 'normal' back and force.
But if you set the state to 'disabled' consecutively, 
for example, twice, the values stored in _oldValues 
will be replaced by the disabled configuration. When 
you set the state to 'normal' after that, you will 
not get the correct 'normal' settings.

The fix might be comparing the button's current state 
with the state it tries to set. If they are the same, 
we can break out of this function.


Regards,
Chengyi


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