Gtk live update

[SakibShahariar]

Description

Adds a Python script that enables live GTK color updates, allowing applications to instantly reflect theme changes without requiring a restart.

Changes

• Improved
• Bug Fixes
• Feature
• Documentation
• Other

Context

Currently, GTK applications require a restart to apply new theme colors, which disrupts workflow.
This change introduces a script-based solution that updates colors dynamically, making theme switching seamless and immediate.

How Has This Been Tested?

• Tested on Arch Linux/Based Distro.
• Tested on Fedora Linux/Based Distro.
• Tested on openSuse.

Checklist

Please ensure your pull request meets the following requirements:

• My code follows the style guidelines of this project.
• I have performed a self-review of my code.
• I have commented on my code, particularly in hard-to-understand areas.
• My changes do not introduce new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• I have made corresponding changes to the documentation
• New and existing unit tests pass locally with my changes.

Screenshots

Related Issues

Additional Notes

The solution integrates via a post-hook and works with GTK-based applications to apply color changes in real time. No restart is required.

[SakibShahariar]

Quick update: this feature has already been accepted upstream in the Matugen-theme repository.

So, you can pull it safely.

[mylinuxforwork]

Great. Thank you. I will try it out after the transition to lua.