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Date: Wed, 13 Mar 2019 08:22:41 +0900 (JST)
From: Tatsuro MATSUOKA <tmacchant2 AT yahoo DOT co DOT jp>
Reply-To: Tatsuro MATSUOKA <matsuoka AT nuce DOT nagoya-u DOT ac DOT jp>
To: Mark Geisert <mark AT maxrnd DOT com>, <cygwin AT cygwin DOT com>
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Subject: Re: Patch request to qt 5.9.4
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----- Original Message -----

> From: Tatsuro MATSUOKA 
> To: Mark Geisert  cygwin
> Cc: 
> Date: 2019/3/12, Tue 17:25
> Subject: Re: Patch request to qt 5.9.4
> 
> ----- Original Message -----
> 
>>  From: Mark Geisert 
>>  To: cygwin
>>  Cc: 
>>  Date: 2019/3/12, Tue 17:04
>>  Subject: Re: Patch request to qt 5.9.4
>> 
>>  On Tue, 12 Mar 2019, Tatsuro MATSUOKA wrote:
>>  [...]
>>>>   From: Mark Geisert
>>>>   If it's not too much trouble, could you show what you tell 
> gnuplot 
>>  and how
>>>>   you
>>>>   set up the Qt environment?  Are you running gnuplot from inside 
>>  qterminal?
>>>> 
>>>>   ..mark
>>>   For qt graphics
>>>   gnuplot.exe uses driver process named gnuplot_qt.exe.
>>> 
>>>   gnuplot.exe tries connect with gnuplot_qt.exe
>>>   by
>>> 
>>> 
>>>   qt->socket.connectToServer(server);
>>> 
>>> 
>>>   in gnuplot.exe code but fails to connect with gnuplot_qt.exe.
>> 
>>  Yes, I understand that is happening at a low level.  What exactly are you 
>>  typing at your keyboard to make gnuplot produce the Qt graphics?  I would 
>>  like to reproduce your issue on my system; what do I need to do?
>> 
>>  Please refer to the specific questions I was asking above.
>>  Thank you,
>> 
>>  ..mark
> 
> Gnuplot distrubuted on Cyygwin does not link with Qt.
> I am distrbuting develoment version of gnuplot with Qt (patched).
> I have to prepare gnuplot binary without patch.
> 
> I have my web site and I will prepare binaries without stripped debug 
> information
> and upload on my web.
> 
> I will do it tomorrow morning. (Before job.)
> 
> Tatsuro

I have prepared binaries:
http://tmacchant3.starfree.jp/gnuplot/Eng/cyg_qt_test/

test
From gnplot prompt 

gnuplot> set terminal qt 
gnuplot> plot x 

Without Qt patch

Could not connect to existing gnuplot_qt. Starting a new one.

Warning: slow font initialization



With Qt patchplot appears

Tatsuro


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