Re: qt terminal for windows : qDebug() problems

[Tatsuro M. <tma...@ya...>]

----- Original Message -----
> From: sfeam 
> To: gnuplot-beta; Tatsuro MATSUOKA 
> Cc: 
> Date: 2015/8/19, Wed 13:54
> Subject: Re: qt terminal for windows : qDebug()  problems
> 
> On Wednesday, 19 August 2015 12:46:49 PM Tatsuro MATSUOKA wrote:
>>  1)************************************************
>>  >1) The messages from qt_term.cpp can be written using fprintf(stderr, 
> ...).
>>  >This would be consistent with error messages throughout the main 
> program.
>>  >I will make this change.
>> 
>> 
>>  I appreciate that you will make the change.
>>  All messages from qt_term.cpp will be represented not only gnuplot.exe but 
>>  also wgnuplot.exe and wgnuplot_pipes.exe.
> 
> This change is now in CVS.
> 
>>  2)*************************************************
>>  >2) Messages from the separate process gnuplot_qt should not try
>>  >to write directly to stderr, since this may not go anywhere useful.
>>  >qDebug() is supposed to handle this, but I can't help with how to
>>  >configure on Windows.
>> 
>> 
>> 
>>  >qDebug() is supposed to handle this, but I can't help with how to
>>  >configure on Windows.
>> 
>>  According information searched on the web, qDebug() on windows can be 
>>  output messages to the console if the application is console one
>>  otherwise message to send to the debugger if it is present.
>> 
>>  gnuplot_qt.exe does not have own console.
>>  This might be the origin represent nothing 
>>  even if gnuplot_qt.exe executed from gnuplot.exe.
>> 
>>  For gnuplot for windows, two alternative way can be considered
>>  1) make original message system with qt tools within gnuplot_qt.exe.
> 
> Maybe for Windows you could replace qDebug() with a popup message box?
> 
>   http://doc.qt.io/qt-5/qmessagebox.html
> 
Thanks! I will consider modification using the above. 

>>  2) transfer messages to the main process and represented in the main 
> process.
> 
> That could not work if the message being sent is that
> the connection to the main process has broken :-)
> 
Ah! I can only do the case 1)

Tatsuro