refactor(gtk): refactor controllers

[b00f]

Description

This PR refactors GTK controllers.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.31%. Comparing base (86a8ba9) to head (2c7952f).
⚠️ Report is 297 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2080      +/-   ##
==========================================
- Coverage   75.07%   71.31%   -3.77%     
==========================================
  Files         234      293      +59     
  Lines       12156    18088    +5932     
==========================================
+ Hits         9126    12899    +3773     
- Misses       2582     4657    +2075     
- Partials      448      532      +84     

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