Request Help With Gdk.Display

[Wildman]

On Wed, 16 Aug 2017 19:11:16 +0100, MRAB wrote:

> On 2017-08-16 18:57, Wildman via Python-list wrote:
>> I am working on a program for the Linux platform that
>> reports system information.  The program reports screen
>> information, number of monitors, resolution of each one
>> and the total resolution.  It does it using a couple of
>> external utils, Xrandr and Xdpyinfo.  It is my goal to
>> replace the existing code with a python solution without
>> depending on the external programs.
>> 
>> With the help of a code snippet I found, I came up with
>> this but it only reports the resolution of the primary
>> monitor...
>> 
>> #! /usr/bin/env python3
>> 
>> import gi
>> gi.require_version('Gdk', '3.0')
>> from gi.repository import Gdk
>> 
>> display = Gdk.Display.get_default()
>> pm = display.get_primary_monitor()
>> geo = pm.get_geometry()
>> w = geo.width
>> h = geo.height
>> print(w,h)
>> 
>> 
>> I know that the number of monitors can be obtained by
>> using...
>> 
>> mc = Gdk.Display.get_n_monitors(display)
>> 
>> Then to get each monitor, this can be used...
>> 
>> monitor = Gdk.Display.get_monitor(display, monitor_num)
>> 
>> My problem is that I can't find any information on how
>> "monitor_num" is obtained.  The only thing I have been
>> able to find out is that it is an integer.  Can anybody
>> point me in the right direction?  Much appreciated.
>> 
> If get_n_monitors tells you how many monitors there are, isn't 
> monitor_num just an index (0, 1, 2, ...)?

I don't know.  The documentation doesn't say.  That is
something I can test that I hadn't thought of.  I hope
you are right.  It would be nice if it was that simple.
Thanks.

-- 
<Wildman> GNU/Linux user #557453
The cow died so I don't need your bull!