feat: configurable keyboard repeat rate and delay

cosmic-comp-config/src/lib.rs

@@ -54,6 +54,10 @@ pub struct XkbConfig {
     pub layout: String,
     pub variant: String,
     pub options: Option<String>,
+    #[serde(default = "default_repeat_delay")]
+    pub repeat_delay: u32,
+    #[serde(default = "default_repeat_rate")]
+    pub repeat_rate: u32,
 }
 
 impl Default for XkbConfig {
@@ -64,6 +68,16 @@ impl Default for XkbConfig {
             layout: String::new(),
             variant: String::new(),
             options: None,
+            repeat_delay: default_repeat_delay(),
+            repeat_rate: default_repeat_rate(),
         }
     }
 }
+
+fn default_repeat_rate() -> u32 {
+    25
+}
+
+fn default_repeat_delay() -> u32 {
+    600
+}

src/config/mod.rs

@@ -584,6 +584,10 @@ fn config_changed(config: cosmic_config::Config, keys: Vec<String>, state: &mut
                     .collect::<Vec<_>>();
                 for seat in seats.into_iter() {
                     if let Some(keyboard) = seat.get_keyboard() {
+                        keyboard.change_repeat_info(
+                            (value.repeat_rate as i32).abs(), // Negative values are illegal
+                            (value.repeat_delay as i32).abs(),
+                        );
                         if let Err(err) = keyboard.set_xkb_config(state, xkb_config_to_wl(&value)) {
                             error!(?err, "Failed to load provided xkb config");
                             // TODO Revert to default?

src/shell/seats.rs

@@ -186,13 +186,21 @@ pub fn create_seat(
     // So instead of doing the right thing (and initialize these capabilities as matching
     // devices appear), we have to surrender to reality and just always expose a keyboard and pointer.
     let conf = config.xkb_config();
-    if let Err(err) = seat.add_keyboard(xkb_config_to_wl(&conf), 600, 25) {
+    if let Err(err) = seat.add_keyboard(
+        xkb_config_to_wl(&conf),
+        (conf.repeat_delay as i32).abs(),
+        (conf.repeat_rate as i32).abs(),
+    ) {
         warn!(
             ?err,
             "Failed to load provided xkb config. Trying default...",
         );
-        seat.add_keyboard(XkbConfig::default(), 600, 25)
-            .expect("Failed to load xkb configuration files");
+        seat.add_keyboard(
+            XkbConfig::default(),
+            (conf.repeat_delay as i32).abs(),
+            (conf.repeat_rate as i32).abs(),
+        )
+        .expect("Failed to load xkb configuration files");
     }
     seat.add_pointer();
     seat.add_touch();