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List:       gnuplot-info-beta
Subject:    Re: GPVAL_TERM_VCHAR
From:       Ben Abbott <bpabbott () mac ! com>
Date:       2009-02-13 12:42:00
Message-ID: AF57F628-DDA7-4F4B-A680-EB5A05F85FB8 () mac ! com
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On Feb 13, 2009, at 2:53 AM, Timothée Lecomte wrote:

> Ben Abbott wrote:
>> On Feb 12, 2009, at 6:08 PM, Petr Mikulik wrote:
>>
>>
>>>> hmmmm. I was not aware the mouse coordinates could be toogled on   
>>>> and off.
>>>> What are the default hot-keys?
>>>>
>>>> If the mouse coordinates did not extend the y-size, the hassle of
>>>> accounting for it would be more convenient.
>>>>
>>> It is even worse ... the "wxt" terminal has icon bar which also   
>>> extends the
>>> plot area. The "Qt" terminal may be even different. Therefore,
>>> 	set term wxt|x11 size nnn,nnn
>>> 	plot x
>>> 	!xwininfo
>>> show different numbers. You can find that
>>> 	set term x11|wxt size nnn,nnn
>>> means the size of the graph-canvas area, not the full x11 window.
>>>
>>> IMHO, Octave does not need to know the size of the window, does it?
>>> Is it really useful for any practical case? I don't think so.
>>> And if user changes
>>> 	set(gfc, 'position', [....])
>>> and you pass these numbers to gnuplot, then it will set the size as
>>> expected.
>>>
>>
>> If the "icon bar" is a fixed size in pixels, then I can handle  
>> wxt,  Qt, and x11 having their sizes reported differently by  
>> xwininfo (or  the like). If the "icon bar" is not a fixed size,  
>> then that would be  problematic. We'd likely only update Octave's  
>> figure position property  when we can be confident that x11  
>> properly reports the window's size  and position.
> I fully agree with Ethan here : it seems more logical to fix a size  
> for the plot area rather than for the plot window. It makes that  
> property consistent when used with screen-based terminals and then  
> exporting to a file terminal. For example, you ask for a 400x300  
> pixels figure, why would you want to get a 400x300 pixels PNG from  
> the png terminal and only a 350x290 pixels plot area in x11/ 
> wxt/... ? I'm quite sure you want 400x300 plot area in both cases.
>
> Timothée

Agreed. What Octave desires is to know the size of the canvas.

Ben


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