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wireshark-dev: Re: [Wireshark-dev] GUIManger in menus.c

Re: [Wireshark-dev] GUIManger in menus.c

From: Jeff Morriss <jeff.morriss.ws_at_nospam>
Date: Fri Oct 01 2010 - 21:05:15 GMT
To: Developer support list for Wireshark <wireshark-dev@wireshark.org>

Anders Broman wrote:
> Jeff Morriss skrev 2010-10-01 16:43:
>> Anders Broman wrote:
>>>
>>> -----Original Message-----
>>> From: wireshark-dev-bounces@wireshark.org [mailto:wireshark-dev-bounces@wireshark.org] On Behalf Of Guy Harris
>>> Sent: den 1 oktober 2010 02:30
>>> To: Developer support list for Wireshark
>>> Subject: Re: [Wireshark-dev] GUIManger in menus.c
>>>
>>>
>>> On Sep 30, 2010, at 3:29 PM, Jeff Morriss wrote:
>>>
>>>>> Anders Broman wrote:
>>>>>> Hi,
>>>>>> When using GUIManager for the main menu bar, it blows up loading a file.
>>>>>> Could some one take a look
>>>>>> and help me figure out what's wrong? The recent file stuff is also
>>>>>> broken - probably related.
>>>>> It's bailing out here:
>>>>>
>>>>> ERROR:column-utils.c:1175:col_set_cls_time: code should not be reached
>>>>>
>>>>> That means timestamp_set_type() has not been called.
>>>>>
>>>>> When we're not using GUIManager, that function is called (during
>>>>> startup) in timestamp_format_cb().
>>>>>
>>>>> That function is not called during startup when using GUIManager...
>>>>> Hmmm, actually it's not being called at all.
>>>> It's called in:
>>>>
>>>> change_configuration_profile() (after reading the "recent" file, it's set to the value from that file)
>>>>
>>>>
>>>> main(), if "-t" is specified;
>>>>
>>>> reftime_answered_cb() (if you answer "yes" to "Do you want to switch to "Seconds Since Beginning of Capture" now?")
>>>>
>>>> timestamp_format_cb() (when you explicitly set it through the GUI)
>>>>
>>>> change_configuration_profile() is called only in profile_select() and select_profile_cb(), when you choose a
>>>> profile.
>>>>
>>>> The reason why it doesn't start out as TS_RELATIVE in Wireshark is, to quote the comment:
>>>>
>>>> so that "recent" in gtk/menu.c can detect this and distinguish it from a command line value
>>>>
>>>> That refers to menu_recent_read_finished(), which sets recent.gui_time_format to the current time stamp value if>it's not TS_NOT_SET, i.e., if it was set on the command line, that setting overrides whatever is in the recent
>>>> file.
>>>>
>>>> Is there some reason not to read the recent file *before* parsing the command-line arguments, so that we can
>>>> just have the time stamp format initialized to TS_RELATIVE, override it from the recent file, and then possibly>override *that* from the command line?
>>> I have checked in some changes to menus.c, - earlier read of prefs is still a good idea -
>>> It still crashes, but I don't get a decent indication of where - help?
>> Try 34310. It looks like you fixed the timestamp issue--can load a
>> capture file now. :-)
> It should have been the double slashes "//Menubar.." that caused that.
> Unfortunately I still get a crash on Windows...

The double slashes didn't change anything for me; I just took it out
since it looked like a typo. Without the if(widget) check, it always
crashes for me. With the check it works fine. Hmmm...
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