Summary
-------
While working on fixing various issues with Preferences!Columns
I found the that Preferences!Apply followed by Preferences!Cancel
reverts the preferences not to the "preferences settings last saved
state" but to the preferences settings state when the preferences window
was opened.
(I'm describing the case for the normal default Wireshark configuration
when the Preferences Buttons are OK/Apply/Cancel w/o a Save button).
Both the Wireshark Wiki and the Wireshark User's Guide indicate that
Preferences ! Cancel should restore the preferences to the "last saved
state".
If there's no objection (and assuming that I'm not missing something),
I plan to check in a fix tomorrow (Monday) to update the in-memory saved
preferences state when/if the preferences are written to disk for
the Preferences!Apply and Preferences!Save buttons.
Details
-------
In the current Wireshark development SVN (and presumably in the various
1.0 releases) [For "show a save button" set to False]:
Preferences ! Apply followed by Preferences ! Cancel does the following
1. "Apply" writes the preferences to disk (with any changes made since
the preferences window was opened);
(The next time Wireshark is started these preferences will be used).
2. "Cancel" reverts the in-memory preferences to the state of the
preferences when the Preferences window was opened (before any changes
were made) and *not* to the most recently saved state.
This is true for the "general" preferences as well as for the the
protocol preferences.
The fix looks reasonably simple:
For Prefs!Apply and Prefs!Save if/when the prefs are written to disk:
1. (Re)save the "prefs" structure (in memory).
2. (Re)save all the module preferences (in memory).
Bill
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