[Gambas-user] Class Window in gb.qt4 vs gb.ncurses

Jesus ea7dfh at ...2382...
Mon May 6 23:37:40 CEST 2013


El 06/05/13 14:32, Fabien Bodard escribió:
> And you can use  gb.report and scripter.
>   Le 6 mai 2013 04:41, "Dimitris Anogiatis" <dosida at ...626...> a écrit :
>
>> Creating a report from a non-graphical method might prove difficult.
>>
>> If you are planning on using something like report from an HTML template on
>> a PDF File you either need to make sure you can generate a PS or PDF file
>> or you can use wkhtmltopdf <https://code.google.com/p/wkhtmltopdf/> to
>> generate your PDF file then shell to lpr to send this to your printer.
>>
>> Theoretically this could work but it will depend on what HTML features
>> wkhtmltopdf <https://code.google.com/p/wkhtmltopdf/> supports and how you
>> make your HTML template.
>>
>> Hope this helps.
>>
>>
>>
>> On Sun, May 5, 2013 at 6:09 AM, Benoît Minisini <
>> gambas at ...1...> wrote:
>>
>>> Le 05/05/2013 12:19, Jesus a écrit :
>>>> Hi Tobi and all
>>>>
>>>>
>>>> El 05/05/13 09:00, Tobias Boege escribió:
>>>>> On Sat, 04 May 2013, Jesus wrote:
>>>>>> Recently a friend of mine reported an issue that I'm not sure how to
>>>>>> explain correctly.
>>>>>>
>>>>>> He is making a terminal program that needs to print stuff on a real
>>>>>> printer, so it needs the gb.qt4 component to get access to the
>> Printer
>>>>>> object. But also he needs to use gb.ncurses to do some neat
>>> presentation
>>>>>> in a terminal in a kind of interactive mode. Problem arises when the
>>>>>> *Window* class in gb.ncurses collides with the same class name in
>>> gb.qt4
>>>>>> (needed to gain access to printer functions) It seems that window
>> class
>>>>>> in gb.qt4 surpasses the one in gb.ncurses.
>>>>>>
>>>>>> So, is it a known problem? Does anyone realized this
>> "incompatibility"
>>>>>> when using both components at the same time?
>>>>>> Is there a way to use the printer without using gb.qt4?
>>>>>>
>>>>
>>>>>
>>>>> I never thought of using a graphical component together with
>>> gb.ncurses. I
>>>>> never intended that :-)
>>>>
>>>> Yes. The point is, how it is supposed to do printing from within
>>>> gb.ncurses without using the Printer object (found only inside
>> graphical
>>>> components)?
>>>>
>>>> We then should need to do this through CUPS or something, doesn't it?
>>>>
>>>> The fact is my friend is trying to print a kind of report based in his
>>>> own classes that uses Draw and Paint to actually draw a report in a
>>>> drawing area when using the full program version, and the file
>>>> representing the report itself is interpreted and printed from an
>>>> stripped out version of the program that only works in console mode
>>>> (interactive curses interface). The logic of printing is the same for
>>>> both programs, so qt4 is needed to do all the stuff. Sources here [0].
>>>>
>>>>
>>>>> [...]
>>>>>
>>>>> What do you mean actually by "surpasses"? Is there an "incorrectly
>>>>> overridden" error or does the gb.qt4 Window just override[0] the
>>> gb.ncurses
>>>>> one? If the latter is the case, you can try to disable gb.ncurses and
>>>>> Component.Load() it manually at startup?
>>>>
>>>> Right, the latter is the case. It makes them incompatible with each
>>> other.
>>>>
>>>>>
>>>>> I promise that future control classes and a future Window class (using
>>> the
>>>>> CDK) are more built like their gb.qt4 models but for now think of
>>> gb.ncurses
>>>>> as a component that conflicts with other graphical components. I don't
>>> think
>>>>> compatibility can ever be achieved, though.
>>>>
>>>> I think so, as well... but gb.ncurses programs would need to have a way
>>>> to print things. I remember old clipper database programs they were
>> able
>>>> to print some kind of text based reports. It would be great if printing
>>>> could be based in actual drawing routines as qt4 does. But I understand
>>>> it probably never ever could be achieved.
>>>>
>>>>
>>>
>>> Priting from the command-line with cups (a five second google search!)
>>>
>>> http://www.cups.org/documentation.php/options.html
>>>
>>> Then you "just" have to generate your report in a format understable by
>>> cups (PS, PDF, JPG mainly I think).
>>>
>>> Regards,
>>>
>>> --
>>> Benoît Minisini
>>>

Well, it's clear that gb.ncurses isn't the way to go with this project. 
I will tell him about your thoughts, so many thanks to all for taking 
the time on this.

Regards

-- 
Jesus Guardon




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