2012/6/18 Ashesh Vashi <ashesh(dot)vashi(at)enterprisedb(dot)com>
> Hi Dickson,
> On Sun, Jun 17, 2012 at 6:48 PM, Dickson S. Guedes <listas(at)guedesoft(dot)net>
>> 2012/6/17 Ashesh Vashi <ashesh(dot)vashi(at)enterprisedb(dot)com>
>> > On Sun, Jun 17, 2012 at 6:39 AM, Dickson S. Guedes
>> > <listas(at)guedesoft(dot)net> wrote:
>> >> 2012/6/6 Dickson S. Guedes <listas(at)guedesoft(dot)net>:
>> >> > I'm starting some proof-of-concept working on frmEditGrid trying
>> >> > make
>> >> > some "improvements" like:
>> >> >
>> >> > 1) show a combo box in columns of type enum;
>> >> There isn't changes to this code comparing to previous initial patch,
>> >> but I'm getting segfault when the combo box is open and you press
>> >> 'Delete' to delete some letter. I'm sure that I'm missing something,
>> >> but couldn't figure it out.
>> > I guess - you may need to implement KILL FOCUS event on combo-box.
>> Hi Ashesh,
>> Thanks for your comment. I debugged with gdb and see what is happening:
>> #0 0x00007ffff7850658 in wxStyledTextCtrl::SendMsg (this=0x1e06d90,
>> msg=2008, wp=0, lp=0) at ../../../../contrib/src/stc/stc.cpp:199
>> #1 0x00007ffff785093b in wxStyledTextCtrl::GetCurrentPos
>> (this=0x1e06d90) at ../../../../contrib/src/stc/stc.cpp:267
>> #2 0x0000000000641baa in frmEditGrid::OnDelete (this=0x1cdbce0,
>> event=...) at ./frm/frmEditGrid.cpp:1161
>> #3 0x00007ffff5dc0aa6 in wxAppConsole::HandleEvent (this=0x1019e20,
>> handler=0x1cdbce0, func=(void (wxEvtHandler::*)(wxEvtHandler * const,
>> wxEvent &)) 0x641a4e <frmEditGrid::OnDelete(wxCommandEvent&)>,
>> event=...) at ../src/common/appbase.cpp:322
>> As we can see in #2, pressing the 'Delete' key is triggering
>> frmEditGrid::OnDelete that are trying to do:
>> if (text && text->GetCurrentPos() <= text->GetTextLength()) ...
>> I need to check if the column is Enum and return before this code.
> I was not able to reproduce the issue on my ubuntu VM.
> (That's probably because I am using MAC as host and it does not have the
> DELETE key.)
Thanks for try it. I could reproduce the same issue on Ubuntu, Debian
and Fedora, but I don't have a Mac or Windows to try it.
> But - to identify, if the column is enum or not, you can use this patch.
> This patch includes a modification to identify the column is enum or not.
Thanks! I'll poke into it.
Dickson S. Guedes
mail/xmpp: guedes(at)guedesoft(dot)net - skype: guediz
http://guedesoft.net - http://www.postgresql.org.br
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