How to start selecting text programmaticaly in QTextEdit

Hi all,

I want to have a text selection method like in visual studio (please see below image).

Attachment 8865

Characteristics of this selection are,
1. Single click on line number area causes to select the entire line.
2. You can continue to select text in normal way as in any editor, regardless the fact that the click was originated in line number area instead of text-edit area. Please see below image.

Attachment 8866

I tried to do this by posting a mouse left-press to QTextEdit area, when I click on line number area. But it doesn't do anything at all. :) Any ideas please ?

I'm using,

• Windows 7
• Qt 4.8

PS: This is my first post, so please correct me if I do anything stupid in this thread. :)