Xlib: DisplayWidth / DisplayHeight

[Lucien Gentis]

Le 05/09/2023 à 06:18, Carsten Haitzler a écrit :
> On Thu, 31 Aug 2023 08:02:38 -0400 (EDT) Vladimir Dergachev
> <volodya at mindspring.com>  said:
>
>> The cool thing however, is that I can launch xeyes and it works just the
>> same as when it was created decades ago. This is because people back then
>> thought through the mathematical model of what they are doing, and did not
>> just "softwared" their way to a kludge that needed compatibility breaking
>> changes every year the way python does.
> hear hear. api stability has been one of x's shining bits. it's got ugly parts
> - but not breaking is one of its positive points. evolving instead.
>
>> best
>>
>> Vladimir Dergachev
>>
>>> -- 
>>> regards,
>>> Zbigniew
>>>
>
Hello,

I'm writing things at xlib level, so:

************************************

unsigned int displaywidth, displayheight;

Display * serveur = XOpenDisplay (NULL);

int ecran = DefaultScreen (serveur);

displaywidth = DisplayWidth(serveur,ecran);
displayheight = DisplayHeight(serveur,ecran);

**************************************

and if you have more than one screen, you can get their number via macro 
ScreenCount)(display)

Lucien
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