razer gaming support

Cargo.lock

@@ -100,6 +100,143 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "async-broadcast"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "435a87a52755b8f27fcf321ac4f04b2802e337c8c4872923137471ec39c37532"
+dependencies = [
+ "event-listener",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-channel"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "924ed96dd52d1b75e9c1a3e6275715fd320f5f9439fb5a4a11fa51f4221158d2"
+dependencies = [
+ "concurrent-queue",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c96bf972d85afc50bf5ab8fe2d54d1586b4e0b46c97c50a0c9e71e2f7bcd812a"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "pin-project-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-io"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "456b8a8feb6f42d237746d4b3e9a178494627745c3c56c6ea55d92ba50d026fc"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-io",
+ "futures-lite",
+ "parking",
+ "polling",
+ "rustix",
+ "slab",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "async-lock"
+version = "3.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f7f2596bd5b78a9fec8088ccd89180d7f9f55b94b0576823bbbdc72ee8311"
+dependencies = [
+ "event-listener",
+ "event-listener-strategy",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-process"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc50921ec0055cdd8a16de48773bfeec5c972598674347252c0399676be7da75"
+dependencies = [
+ "async-channel",
+ "async-io",
+ "async-lock",
+ "async-signal",
+ "async-task",
+ "blocking",
+ "cfg-if",
+ "event-listener",
+ "futures-lite",
+ "rustix",
+]
+
+[[package]]
+name = "async-recursion"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b43422f69d8ff38f95f1b2bb76517c91589a924d1559a0e935d7c8ce0274c11"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "async-signal"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52b5aaafa020cf5053a01f2a60e8ff5dccf550f0f77ec54a4e47285ac2bab485"
+dependencies = [
+ "async-io",
+ "async-lock",
+ "atomic-waker",
+ "cfg-if",
+ "futures-core",
+ "futures-io",
+ "rustix",
+ "signal-hook-registry",
+ "slab",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "async-task"
+version = "4.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
+
+[[package]]
+name = "async-trait"
+version = "0.1.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -127,6 +264,19 @@ version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
 
+[[package]]
+name = "blocking"
+version = "1.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e83f8d02be6967315521be875afa792a316e28d57b5a2d401897e2a7921b7f21"
+dependencies = [
+ "async-channel",
+ "async-task",
+ "futures-io",
+ "futures-lite",
+ "piper",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.19.1"
@@ -246,6 +396,7 @@ dependencies = [
  "wayland-backend",
  "wayland-client",
  "wgpu",
+ "zbus",
 ]
 
 [[package]]
@@ -329,6 +480,33 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
 
+[[package]]
+name = "endi"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66b7e2430c6dff6a955451e2cfc438f09cea1965a9d6f87f7e3b90decc014099"
+
+[[package]]
+name = "enumflags2"
+version = "0.7.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1027f7680c853e056ebcec683615fb6fbbc07dbaa13b4d5d9442b146ded4ecef"
+dependencies = [
+ "enumflags2_derive",
+ "serde",
+]
+
+[[package]]
+name = "enumflags2_derive"
+version = "0.7.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67c78a4d8fdf9953a5c9d458f9efe940fd97a0cab0941c075a813ac594733827"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "env_filter"
 version = "0.1.4"
@@ -368,6 +546,27 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "event-listener"
+version = "5.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13b66accf52311f30a0db42147dadea9850cb48cd070028831ae5f5d4b856ab"
+dependencies = [
+ "concurrent-queue",
+ "parking",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "event-listener-strategy"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8be9f3dfaaffdae2972880079a491a1a8bb7cbed0b8dd7a347f668b4150a3b93"
+dependencies = [
+ "event-listener",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "eyre"
 version = "0.6.12"
@@ -384,6 +583,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd2e7510819d6fbf51a5545c8f922716ecfb14df168a3242f7d33e0239efe6a1"
 
+[[package]]
+name = "fastrand"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f1f227452a390804cdb637b74a86990f2a7d7ba4b7d5693aac9b4dd6defd8d6"
+
 [[package]]
 name = "fdeflate"
 version = "0.3.7"
@@ -445,6 +650,31 @@ dependencies = [
  "xdg",
 ]
 
+[[package]]
+name = "futures-core"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d"
+
+[[package]]
+name = "futures-io"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cecba35d7ad927e23624b22ad55235f2239cfa44fd10428eecbeba6d6a717718"
+
+[[package]]
+name = "futures-lite"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f78e10609fe0e0b3f4157ffab1876319b5b0db102a2c60dc4626306dc46b44ad"
+dependencies = [
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "parking",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.16"
@@ -456,6 +686,17 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "300e883d756b2e4ec94e02791f39b04b522276138852cfc41d9fb7e904106099"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+]
+
 [[package]]
 name = "gpu-alloc"
 version = "0.6.0"
@@ -531,6 +772,12 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
 
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
 [[package]]
 name = "hexf-parse"
 version = "0.2.1"
@@ -689,6 +936,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.9"
@@ -772,6 +1028,16 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "ordered-stream"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aa2b01e1d916879f73a53d01d1d6cee68adbb31d6d9177a8cfce093cced1d50"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "palette"
 version = "0.7.6"
@@ -796,6 +1062,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "parking"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.5"
@@ -867,6 +1139,17 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
 
+[[package]]
+name = "piper"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c835479a4443ded371d6c535cbfd8d31ad92c5d23ae9770a61bc155e4992a3c1"
+dependencies = [
+ "atomic-waker",
+ "fastrand",
+ "futures-io",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.32"
@@ -921,6 +1204,15 @@ dependencies = [
  "portable-atomic",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "3.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e67ba7e9b2b56446f1d419b1d807906278ffa1a658a8a5d8a39dcb1f5a78614f"
+dependencies = [
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.104"
@@ -963,6 +1255,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -999,7 +1297,7 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.16",
  "libredox",
  "thiserror 1.0.69",
 ]
@@ -1085,6 +1383,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "serde"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
 [[package]]
 name = "serde_core"
 version = "1.0.228"
@@ -1105,12 +1413,33 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "175ee3e80ae9982737ca543e96133087cbd9a485eecc3bc4de9c1a37b47ea59c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4db69cba1110affc0e9f7bcd48bbf87b3f4fc7c61fc9155afd4c469eb3d6c1b"
+dependencies = [
+ "errno",
+ "libc",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.8"
@@ -1191,6 +1520,19 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0136791f7c95b1f6dd99f9cc786b91bb81c3800b639b3478e561ddb7be95e5f1"
+dependencies = [
+ "fastrand",
+ "getrandom 0.4.3",
+ "once_cell",
+ "rustix",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -1231,6 +1573,36 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "1.1.1+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3165f65f62e28e0115a00b2ebdd37eb6f3b641855f9d636d3cd4103767159ad7"
+dependencies = [
+ "serde_core",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.25.6+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0db3bae107c9522f86d361697dee1d7386a2ddcf659d5aea5159819a21a3c4a7"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "toml_parser",
+ "winnow",
+]
+
+[[package]]
+name = "toml_parser"
+version = "1.1.2+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2abe9b86193656635d2411dc43050282ca48aa31c2451210f4202550afb7526"
+dependencies = [
+ "winnow",
+]
+
 [[package]]
 name = "tracing"
 version = "0.1.44"
@@ -1263,6 +1635,17 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "uds_windows"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2f6fb2847f6742cd76af783a2a2c49e9375d0a111c7bef6f71cd9e738c72d6e"
+dependencies = [
+ "memoffset",
+ "tempfile",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.22"
@@ -1281,6 +1664,17 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.23.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf80a72845275afea99e7f2b434723d3bc7e38470fcd1c7ed39a599c73319a53"
+dependencies = [
+ "js-sys",
+ "serde_core",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
@@ -1781,6 +2175,15 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "winnow"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0592e1c9d151f854e6fd382574c3a0855250e1d9b2f99d9281c6e6391af352f1"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "xcursor"
 version = "0.3.10"
@@ -1813,6 +2216,67 @@ dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "zbus"
+version = "5.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eee682d202a77e4a9f3b2c2bdf48a7b28af5c08c34ddf66f98c93e5e39464285"
+dependencies = [
+ "async-broadcast",
+ "async-executor",
+ "async-io",
+ "async-lock",
+ "async-process",
+ "async-recursion",
+ "async-task",
+ "async-trait",
+ "blocking",
+ "enumflags2",
+ "event-listener",
+ "futures-core",
+ "futures-lite",
+ "hex",
+ "libc",
+ "ordered-stream",
+ "rustix",
+ "serde",
+ "serde_repr",
+ "tracing",
+ "uds_windows",
+ "uuid",
+ "windows-sys 0.61.2",
+ "winnow",
+ "zbus_macros",
+ "zbus_names",
+ "zvariant",
+]
+
+[[package]]
+name = "zbus_macros"
+version = "5.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adf1bd45a81a103745b1757754762a26e8cd01e4532e4d6c8ec431624b80d1d6"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "zbus_names",
+ "zvariant",
+ "zvariant_utils",
+]
+
+[[package]]
+name = "zbus_names"
+version = "4.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7074f3e50b894eac91750142016d30d0a89be8e67dbfd9704fb875825760e52d"
+dependencies = [
+ "serde",
+ "winnow",
+ "zvariant",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.8.31"
@@ -1832,3 +2296,43 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zvariant"
+version = "5.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a192a0bde63360d77a7523c833d4b4ce6070a927e2c53246e4c540b1a3e27be0"
+dependencies = [
+ "endi",
+ "enumflags2",
+ "serde",
+ "winnow",
+ "zvariant_derive",
+ "zvariant_utils",
+]
+
+[[package]]
+name = "zvariant_derive"
+version = "5.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90bc6cde9c01c511074be97f7ccb6c19d0da89e3f8662e812e999dcfd4638737"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "zvariant_utils",
+]
+
+[[package]]
+name = "zvariant_utils"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e8535915cfa75547e559d8c68e8139909a4aeee076831e4ef7fc59d8172c4d6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "syn",
+ "winnow",
+]

Cargo.toml

@@ -23,6 +23,7 @@ wgpu = { version = "27.0.0", default-features = false, features = [
     "vulkan",
     "wgsl",
 ] }
+zbus = "5.16.0"
 
 [profile.dev]
 opt-level = 1

src/main.rs

@@ -1,5 +1,6 @@
 mod desktop;
 mod gpu;
+mod razer;
 
 use std::{
     collections::HashMap,
@@ -9,7 +10,7 @@ use std::{
 use eyre::{Context, Result, bail, eyre};
 use freedesktop_file_parser::EntryType;
 use log::{error, info, warn};
-use palette::Oklab;
+use palette::{IntoColor as _, Oklab};
 use smithay_client_toolkit::{
     compositor::{CompositorHandler, CompositorState},
     output::{OutputHandler, OutputState},
@@ -37,6 +38,7 @@ use wayland_client::{
 use crate::{
     desktop::DesktopEntries,
     gpu::{AppGpuState, SurfaceGpuState},
+    razer::ColorDeviceMessage,
 };
 
 fn main() -> Result<()> {
@@ -52,6 +54,13 @@ fn main() -> Result<()> {
         now.elapsed()
     );
 
+    // It may or may not be possible to integrate zbus with calloop, but that would certainly be effort
+    let (send_color_device, recv_razer) = std::sync::mpsc::sync_channel(10);
+    std::thread::Builder::new()
+        .name("openrazer".into())
+        .spawn(|| razer::razer_thread(recv_razer))
+        .wrap_err("failed to spawn razer thread")?;
+
     let conn = Connection::connect_to_env().wrap_err("can't connect to Wayland socket")?;
 
     let (globals, event_queue) = registry_queue_init(&conn).wrap_err("initializing connection")?;
@@ -73,6 +82,8 @@ fn main() -> Result<()> {
         gpu: AppGpuState::new(desktop_files.colors())?,
 
         desktop_files,
+        send_color_device,
+
         pointers: HashMap::new(),
         layer_surfaces: Vec::new(),
     };
@@ -103,6 +114,8 @@ struct App {
     gpu: AppGpuState,
 
     desktop_files: DesktopEntries,
+    send_color_device: std::sync::mpsc::SyncSender<ColorDeviceMessage>,
+
     pointers: HashMap<WlSeat, WlPointer>,
     layer_surfaces: Vec<OutputSurface>,
 }
@@ -384,17 +397,22 @@ impl PointerHandler for App {
                 return;
             };
 
+            let oklab = color_for_pixel(
+                event.position.0 as u32,
+                event.position.1 as u32,
+                surface.width,
+                surface.height,
+            );
+
+            let rgb: palette::Srgb = oklab.into_color();
+            let _ = self
+                .send_color_device
+                .try_send(ColorDeviceMessage::SetColor(rgb.into()));
+
             match event.kind {
                 PointerEventKind::Release {
                     button: BTN_LEFT, ..
                 } => {
-                    let oklab = color_for_pixel(
-                        event.position.0 as u32,
-                        event.position.1 as u32,
-                        surface.width,
-                        surface.height,
-                    );
-
                     let best_match = self.desktop_files.find_entry(oklab);
 
                     if let Some(best_match) = best_match

src/razer.rs

@@ -0,0 +1,95 @@
+use std::sync::mpsc;
+
+use eyre::Context;
+use log::{debug, error, info};
+use zbus::{blocking::Connection, proxy};
+
+#[proxy(
+    interface = "razer.devices",
+    default_service = "org.razer",
+    default_path = "/org/razer"
+)]
+trait OpenRazerDevices {
+    #[zbus(name = "getDevices")]
+    fn get_devices(&self) -> zbus::Result<Vec<String>>;
+}
+
+#[proxy(interface = "razer.device.misc", default_service = "org.razer")]
+trait RazerDeviceMisc {
+    #[zbus(name = "getDeviceType")]
+    fn get_device_type(&self) -> zbus::Result<String>;
+}
+
+#[proxy(
+    interface = "razer.device.lighting.chroma",
+    default_service = "org.razer"
+)]
+trait RazerDeviceLightingChroma {
+    #[zbus(name = "setStatic")]
+    fn set_static(&self, r: u8, g: u8, b: u8) -> zbus::Result<()>;
+}
+
+pub enum ColorDeviceMessage {
+    // Is it sRGB? who knows!
+    SetColor(palette::rgb::Srgb<u8>),
+}
+
+pub fn razer_thread(recv_msg: mpsc::Receiver<ColorDeviceMessage>) {
+    if let Err(err) = razer_thread_inner(recv_msg) {
+        error!("failed to set up razer: {err:?}");
+    }
+}
+
+pub fn razer_thread_inner(recv_msg: mpsc::Receiver<ColorDeviceMessage>) -> eyre::Result<()> {
+    info!("Starting color support for razer devices");
+
+    let conn = Connection::session().wrap_err("connecting to session dbus")?;
+
+    let proxy = OpenRazerDevicesProxyBlocking::new(&conn).wrap_err("finding org.razer")?;
+
+    let devices = proxy.get_devices().wrap_err("failed to get devices")?;
+
+    info!("found razer devices: {devices:?}");
+
+    let mut razer_mouse = None;
+
+    for device in devices {
+        let device_proxy =
+            RazerDeviceMiscProxyBlocking::new(&conn, format!("/org/razer/device/{device}"))
+                .wrap_err_with(|| format!("getting proxy for device {device}"))?;
+
+        let device_type = device_proxy
+            .get_device_type()
+            .wrap_err("getting device type")?;
+
+        info!("razer device {device}: {device_type}");
+
+        if device_type == "mouse" {
+            let chroma_proxy = RazerDeviceLightingChromaProxyBlocking::new(
+                &conn,
+                format!("/org/razer/device/{device}"),
+            )
+            .wrap_err_with(|| format!("getting chroma proxy for device {device}"))?;
+
+            razer_mouse = Some(chroma_proxy);
+            break;
+        }
+    }
+
+    let Some(razer_mouse) = razer_mouse else {
+        info!("Could not find razer mouse");
+        return Ok(());
+    };
+
+    while let Ok(msg) = recv_msg.recv() {
+        match msg {
+            ColorDeviceMessage::SetColor(color) => {
+                if let Err(err) = razer_mouse.set_static(color.red, color.green, color.blue) {
+                    debug!("error setting color: {err}");
+                }
+            }
+        }
+    }
+
+    Ok(())
+}