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Drive bar/window geometry and CSS tokens from the shell theme manifest

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breadbar no longer hardcodes BAR_HEIGHT/BAR_MARGIN_TOP/BAR_MARGIN_SIDES/
CHIP_HEIGHT/ICON_PX or the root window's layer-shell setup: it loads
bread_theme:🐚:ShellTheme once (theme::shell_theme(), cached in a
thread-local) and reads bar.window (anchors, margin, exclusive zone,
keyboard mode - now set explicitly instead of relying on the library
default) plus tokens.{icon_px,chip_height} from it everywhere those used
to be literals.

The four satellite surfaces (breadbar-osd, breadbar-notif, breadbar-panel,
breadbar-dismiss) now get their anchor/margin/width/layer from the
manifest's [surfaces.*] table via a small new surface::apply() helper,
narrowly scoped to the three anchor shapes those surfaces actually use.
The pre-existing 8px gap between the panel's top margin and the dismiss
scrim's is preserved exactly (and now commented) rather than "fixed".

theme.rs's load_css() keeps its ~250 lines of hand-written breadbar CSS
(notifications, wifi popover, control panel, media widget) but now reads
its five radius/pad locals and the two easing curves (spring vs
spring_settle - hover/settle transitions were previously miscategorized
as the overshoot curve in the constant audit; the actual code already
used the settle curve there, confirmed against src) from theme tokens
instead of hardcoding them.

Also wires bread_theme:🐚:watch() so editing the active theme's
theme.toml/extra.css hot-reloads CSS tokens without a restart, same as
a pywal palette change already does. Window-spec values still need a
restart per the plan (read once at window-construction time).

Verified pixel-identical: captured all 10 breadbar --screenshot views
(bar, control-panel, connectivity-wifi/bluetooth, media-popover,
notification/-critical, osd-volume/-brightness, wifi-add-dialog) via
bread-capture's isolated headless-Sway harness against both the
pre-change and post-change binaries; every view diffs byte-identical
at the decoded-pixel level.
This commit is contained in:
Breadway 2026-08-23 15:58:25 +08:00
parent 297207a7aa
commit bbb1a6c8d2
11 changed files with 278 additions and 99 deletions
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9
src/osd.rs
View file

@ -1,7 +1,7 @@
use std::{cell::Cell, rc::Rc, time::Duration};
use gtk4::prelude::*;
use gtk4_layer_shell::{Edge, Layer, LayerShell};
use gtk4_layer_shell::LayerShell;
use tokio::sync::mpsc;
enum OsdEvent {
@ -182,7 +182,7 @@ async fn run_osd(window: gtk4::Window, mut rx: mpsc::Receiver<OsdEvent>) {
};
icon.set_paintable(Some(&crate::svg_texture(icon_svg)));
crate::prepare_icon(&icon, crate::ICON_PX);
crate::prepare_icon(&icon, crate::theme::shell_theme().tokens().icon_px() as i32);
if muted {
icon.add_css_class("osd-icon-muted");
} else {
@ -209,10 +209,7 @@ fn create_window() -> gtk4::Window {
window.add_css_class("breadbar-osd");
window.init_layer_shell();
window.set_namespace(Some("breadbar-osd"));
window.set_layer(Layer::Overlay);
window.set_anchor(Edge::Bottom, true);
window.set_margin(Edge::Bottom, 80);
window.set_default_width(180);
crate::surface::apply(&window, "breadbar-osd");
crate::theme::bind_auto(&window);
window
}