Bump libinput to 1.21, add dwtp flag

Cargo.lock

@@ -1585,6 +1585,7 @@ dependencies = [
  "input-sys",
  "io-lifetimes 1.0.11",
  "libc",
+ "log",
  "udev",
 ]
 
@@ -2057,6 +2058,7 @@ dependencies = [
  "directories",
  "futures-util",
  "git-version",
+ "input",
  "keyframe",
  "libc",
  "log",

Cargo.toml

@@ -50,6 +50,7 @@ clap = { version = "4.4.18", features = ["derive", "string"] }
 directories = "5.0.1"
 futures-util = { version = "0.3.30", default-features = false, features = ["std", "io"] }
 git-version = "0.3.9"
+input = { version = "0.9.0", features = ["libinput_1_21"] }
 keyframe = { version = "1.1.1", default-features = false }
 libc = "0.2.153"
 log = { version = "0.4.20", features = ["max_level_trace", "release_max_level_debug"] }

niri-config/src/lib.rs

@@ -124,6 +124,8 @@ pub struct Touchpad {
     #[knuffel(child)]
     pub dwt: bool,
     #[knuffel(child)]
+    pub dwtp: bool,
+    #[knuffel(child)]
     pub natural_scroll: bool,
     #[knuffel(child, unwrap(argument), default)]
     pub accel_speed: f64,
@@ -765,6 +767,7 @@ mod tests {
                 touchpad {
                     tap
                     dwt
+                    dwtp
                     accel-speed 0.2
                     accel-profile "flat"
                     tap-button-map "left-middle-right"
@@ -867,6 +870,7 @@ mod tests {
                     touchpad: Touchpad {
                         tap: true,
                         dwt: true,
+                        dwtp: true,
                         natural_scroll: false,
                         accel_speed: 0.2,
                         accel_profile: Some(AccelProfile::Flat),

resources/default-config.kdl

@@ -28,6 +28,7 @@ input {
     touchpad {
         tap
         // dwt
+        // dwtp
         natural-scroll
         // accel-speed 0.2
         // accel-profile "flat"

src/input.rs

@@ -1522,6 +1522,7 @@ pub fn apply_libinput_settings(config: &niri_config::Input, device: &mut input::
         let c = &config.touchpad;
         let _ = device.config_tap_set_enabled(c.tap);
         let _ = device.config_dwt_set_enabled(c.dwt);
+        let _ = device.config_dwtp_set_enabled(c.dwtp);
         let _ = device.config_scroll_set_natural_scroll_enabled(c.natural_scroll);
         let _ = device.config_accel_set_speed(c.accel_speed);