Writes the gtk-decoration-layout key to ~/.config/gtk-{3,4}.0/settings.ini
and best-effort updates GNOME's button-layout GSettings key for apps that
still consult it. Factors out write_gtk_settings_key for reuse.
Leyoda 2026 – GPLv3
Adds a new public enum `WindowControlsPosition { Start, End }` and a
matching field on `HeaderBar`, allowing window controls (close / minimize
/ maximize) to be packed on the start side of the headerbar (macOS
style, icon order close → minimize → maximize) instead of the default
end side (Linux / GNOME style, minimize → maximize → close).
Wiring:
- `crate::widget::WindowControlsPosition` re-exported alongside
`HeaderBar`.
- `HeaderBar::controls_position(Option<WindowControlsPosition>)` setter;
when left unset, falls back to `crate::config::window_controls_position()`
(reads `CosmicTk.window_controls_position`), mirroring how `density`
falls back to `header_size()`.
- New `CosmicTk.window_controls_position` field with default `End` for
backwards compatibility; serde-friendly enum so existing configs keep
working via `#[serde(default)]` semantics.
Tested with cosmic-yoterm, cosmic-settings, cosmic-edit, cosmic-files
rebuilt against this libcosmic via a local `[patch]` override. Config
changes picked up live through the existing cosmic-config subscription.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Squash of 2 yoda commits:
- 77262dd0 perf(malloc): throttle malloc_trim to 1 Hz in hot paths
- 1d98eee6 perf(widget): avoid VecDeque clone in segmented_button/table Model::clear
@git-f0x fixed overflow issue for progress bar,
Thanks for pointing out the issue.
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https://github.com/user-attachments/assets/0efa09fc-0b41-4e28-acfa-3967eee8e443
Fix for this pop-os/cosmic-monitor#8
Need feedback on UI if this is intended design for progress on low
value.
- [x] I have disclosed use of any AI generated code in my commit
messages.
- If you are using an LLM, and do not fully understand the changes it is
making to the code base, do not create a PR.
- In our experience, AI generated code often results in overly complex
code that lacks enough context for a proper fix or feature inclusion.
This results in considerably longer code reviews. Due to this, AI
authored or partially authored PRs may be closed without comment.
- [x] I understand these changes in full and will be able to respond to
review comments.
- [x] My change is accurately described in the commit message.
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Origin](https://developercertificate.org/) and certify my contribution
under its conditions.
This adds a new `list_button` field to theme, which makes ListItem buttons stay transparent when pressed. It's essentially a mix of `text_button` and `background.component`, without hover highlights (as per designs).
