Need help in GTK3 Draw event

From: Dhrubajyoti Doley <dhruba doley gmail com>
To: gtk-app-devel-list gnome org
Subject: Need help in GTK3 Draw event
Date: Thu, 26 Apr 2018 10:53:00 +0530

Hi,

I am developing an application where I have to show/draw whitespaces, tabs
and enter.

To achieve this I am trying to pass Cairo Context to TextView.

I am Attaching an example where on the TextView where I want to draw a
square over the texts.

I am using GTK3.18, Python2.7 and Windows7.

Please help me how to draw on textview
-- 
Dhrubajyoti Doley,

Mobile: 09220919356
Email: dhruba doley gmail com,

Mumbai, India

Attachment: test_layers_gtk3.py
Description: Text document

Follow-Ups:
- Re: Need help in GTK3 Draw event
  - From: cecashon
- Re: Need help in GTK3 Draw event
  - From: Marius Gedminas

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