Where can I find the source code for the Qt libraries?

Question

Qt

Where is fashionable to find implementations of qPainter class drawing methods? Is there an opportunity to look there?
I found the code of higher-level methods in the official documentation (for example, drawLines, which uses drawLine and draws lines in a loop), but I can’t find drawLine itself.

Answer 1

tyts .

git clone git://code.qt.io/qt/qt.git
cd qt

Answer 2

download.qt.io/official_releases/qt