feat: sync state with greeter

Cargo.lock

@@ -826,6 +826,7 @@ dependencies = [
  "cosmic-config",
  "cosmic-protocols",
  "cosmic-settings-config",
+ "cosmic-settings-daemon-config",
  "cosmic-text",
  "egui",
  "egui_plot",
@@ -850,7 +851,7 @@ dependencies = [
  "rand 0.9.1",
  "regex",
  "reis",
- "ron",
+ "ron 0.9.0",
  "rust-embed",
  "rustix 0.38.44",
  "sanitize-filename",
@@ -899,7 +900,7 @@ dependencies = [
  "known-folders",
  "notify",
  "once_cell",
- "ron",
+ "ron 0.9.0",
  "serde",
  "tracing",
  "xdg",
@@ -944,10 +945,10 @@ dependencies = [
 [[package]]
 name = "cosmic-settings-config"
 version = "0.1.0"
-source = "git+https://github.com/pop-os/cosmic-settings-daemon#54b4418e1e7757d965166ae9dc00c522aebf4451"
+source = "git+https://github.com/pop-os/cosmic-settings-daemon#151780eee4262a08ff3abf63d8d7d1c69b575dc0"
 dependencies = [
  "cosmic-config",
- "ron",
+ "ron 0.9.0",
  "serde",
  "serde_with",
  "thiserror 2.0.12",
@@ -955,6 +956,17 @@ dependencies = [
  "xkbcommon 0.7.0",
 ]
 
+[[package]]
+name = "cosmic-settings-daemon-config"
+version = "0.1.0"
+source = "git+https://github.com/pop-os/cosmic-settings-daemon?branch=greeter#44ae8813ee2cef186a8817377f529801199972c4"
+dependencies = [
+ "cosmic-config",
+ "cosmic-theme",
+ "ron 0.8.1",
+ "serde",
+]
+
 [[package]]
 name = "cosmic-text"
 version = "0.14.2"
@@ -988,7 +1000,7 @@ dependencies = [
  "dirs 6.0.0",
  "lazy_static",
  "palette",
- "ron",
+ "ron 0.9.0",
  "serde",
  "serde_json",
  "thiserror 2.0.12",
@@ -1332,6 +1344,12 @@ dependencies = [
  "linux-raw-sys 0.6.5",
 ]
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
+
 [[package]]
 name = "ecolor"
 version = "0.31.1"
@@ -4270,6 +4288,26 @@ dependencies = [
  "thiserror 2.0.12",
 ]
 
+[[package]]
+name = "ref-cast"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a0ae411dbe946a674d89546582cea4ba2bb8defac896622d6496f14c23ba5cf"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1165225c21bff1f3bbce98f5a1f889949bc902d3575308cc7b0de30b4f6d27c7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.101",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"
@@ -4369,6 +4407,18 @@ dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "ron"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b91f7eff05f748767f183df4320a63d6936e9c6107d97c9e6bdd9784f4289c94"
+dependencies = [
+ "base64 0.21.7",
+ "bitflags 2.9.1",
+ "serde",
+ "serde_derive",
+]
+
 [[package]]
 name = "ron"
 version = "0.9.0"
@@ -4519,6 +4569,30 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "schemars"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd191f9397d57d581cddd31014772520aa448f65ef991055d7f61582c65165f"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "schemars"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82d20c4491bc164fa2f6c5d44565947a52ad80b9505d8e36f8d54c27c739fcd0"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.1"
@@ -4616,15 +4690,17 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.12.0"
+version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6b6f7f2fcb69f747921f79f3926bd1e203fce4fef62c268dd3abfb6d86029aa"
+checksum = "f2c45cd61fefa9db6f254525d46e392b852e0e61d9a1fd36e5bd183450a556d5"
 dependencies = [
  "base64 0.22.1",
  "chrono",
  "hex",
  "indexmap 1.9.3",
  "indexmap 2.9.0",
+ "schemars 0.9.0",
+ "schemars 1.0.4",
  "serde",
  "serde_derive",
  "serde_json",
@@ -4634,9 +4710,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.12.0"
+version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d00caa5193a3c8362ac2b73be6b9e768aa5a4b2f721d8f4b339600c3cb51f8e"
+checksum = "de90945e6565ce0d9a25098082ed4ee4002e047cb59892c318d66821e14bb30f"
 dependencies = [
  "darling",
  "proc-macro2",

Cargo.toml

@@ -20,6 +20,7 @@ cosmic-comp-config = {path = "cosmic-comp-config", features = ["libdisplay-info"
 cosmic-config = {git = "https://github.com/pop-os/libcosmic/", features = ["calloop", "macro"]}
 cosmic-protocols = {git = "https://github.com/pop-os/cosmic-protocols", rev = "e706814", default-features = false, features = ["server"]}
 cosmic-settings-config = { git = "https://github.com/pop-os/cosmic-settings-daemon" }
+cosmic-settings-daemon-config = { git = "https://github.com/pop-os/cosmic-settings-daemon", branch = "greeter", features = ["greeter"] }
 cosmic-text = { git = "https://github.com/pop-os/cosmic-text.git", features = ["shape-run-cache"] }
 libdisplay-info = "0.2.0"
 egui = {version = "0.31.0", optional = true}

src/backend/mod.rs

@@ -1,8 +1,11 @@
 // SPDX-License-Identifier: GPL-3.0-only
 
-use crate::state::State;
+use crate::wayland::protocols::a11y::A11yHandler;
+use crate::{config::ScreenFilter, state::State};
 use anyhow::{anyhow, Context, Result};
 use cosmic_comp_config::NumlockState;
+use cosmic_config::CosmicConfigEntry;
+use cosmic_settings_daemon_config::greeter;
 use smithay::reexports::{calloop::EventLoop, wayland_server::DisplayHandle};
 use tracing::{info, warn};
 
@@ -70,6 +73,37 @@ pub fn init_backend_auto(
             .seats
             .add_seat(initial_seat.clone());
 
+        let helper = greeter::GreeterAccessibilityState::config()?;
+        let greeter_state = match greeter::GreeterAccessibilityState::get_entry(&helper) {
+            Ok(s) => s,
+            Err((errs, s)) => {
+                for err in errs {
+                    tracing::error!("Error loading greeter state: {err:?}");
+                }
+                s
+            }
+        };
+
+        if let Some(magnifier) = greeter_state.magnifier {
+            let mut zoom = state.common.config.cosmic_conf.accessibility_zoom;
+
+            zoom.start_on_login = magnifier;
+            if let Err(err) = state
+                .common
+                .config
+                .cosmic_conf
+                .set_accessibility_zoom(&state.common.config.cosmic_helper, zoom)
+            {
+                tracing::error!("Failed to set screen filter: {err:?}");
+            }
+        }
+
+        if let Some(inverted) = greeter_state.invert_colors {
+            if inverted != state.a11y_state().screen_inverted() {
+                state.request_screen_invert(inverted);
+            }
+        }
+
         if state
             .common
             .config

src/wayland/protocols/a11y.rs

@@ -81,6 +81,10 @@ impl A11yState {
         self.global.clone()
     }
 
+    pub fn screen_inverted(&self) -> bool {
+        self.screen_inverted
+    }
+
     pub fn set_screen_magnifier(&mut self, enabled: bool) {
         self.magnifier_state = enabled;