Re: problem with "set x11 {size WW,HH} {position XX,YY}"

[Ben A. <bpa...@ma...>]

On Feb 11, 2009, at 6:30 PM, Petr Mikulik wrote:

>>> BTW, I've tested the freshly released octave-3.1.52 and I'm  
>>> disappointed
>>> about the plotting window behaviour. Gnuplot graph window gets  
>>> always closed
>>> and reopened, but not at the previous position, but at some default
>>> position. Moreover, it hijacks the focus. Hitting the "space"  
>>> hotkey helps
>>> to go back, however, is this behaviour really desired? Octave is  
>>> executing
>>> 	set term x11 close size nnn,nnn position nnn,nnn
>>> I think the repositioning command should be issued only if user has
>>> explicitly changed it. Do I have to recompile Octave in order to  
>>> get rid of
>>> this behaviour, or is there some magic "set(gca)" to put the  
>>> window to
>>> the screen corner?
>>
>> The window closing is a compromise to permit the window to be  
>> repositioned
>> by octave. If you have some idea how the window may be repositioned  
>> and
>> resized by latter "set term x11 ..." commands, I'm all for it.
>>
>> Regarding your suggestion of executing "set term x11 close size  
>> nnn,nnn
>> position nnn,nnn" only when the figure position is explicitly  
>> changed, I
>> agree. However, the current backend support does not communicate this
>> information (meaning the current backend doesn't know what was  
>> changed or
>> why a redraw of the figure is needed).
>>
>> I have some ideas of how to do this, but it will take me a while to  
>> get
>> around to that.
>>
>> In any event, I'd prefer that gnuplot allow an existing window be  
>> resized
>> and/or repositioned. That would remove the need to "close" an  
>> existing
>> window.
>
> The problem is not in the "close" option. The problem is that Octave
> issues before each "plot" this command:
>
> 	set terminal x11 close enhanced title "Figure 1" size 560,420
> 	position 300,148
>
> i.e. Octave wants to reset size and position. However, I think that  
> the
> size+position options should be added only if user has explicitly
> "set(gca,..., size/position, nnn)"; otherwise, these values should  
> not be
> passed to gnuplot and the positioning should be done by the window  
> manager
> and user's mouse movements. The default value of size/position in  
> Octave
> should be "auto" or "default" but not an explicit number.
>
> By default, Octave should ask for
> 	set terminal x11 enhanced title "Figure 1"
> as it has been doing until now.

I understand. From the octave end, the problem has been knowing when  
the position/size has changed. Now that the x11 window id is  
available, I will do something to correct this.

Ben