input: add click method and middle button emulation

jay-config/src/_private/client.rs

@@ -16,7 +16,7 @@ use {
         exec::Command,
         input::{
             FocusFollowsMouseMode, InputDevice, Seat, SwitchEvent, acceleration::AccelProfile,
-            capability::Capability,
+            capability::Capability, clickmethod::ClickMethod,
         },
         keyboard::{
             Keymap,
@@ -1174,6 +1174,14 @@ impl ConfigClient {
         self.send(&ClientMessage::SetDragLockEnabled { device, enabled })
     }
 
+    pub fn set_input_click_method(&self, device: InputDevice, method: ClickMethod) {
+        self.send(&ClientMessage::SetClickMethod { device, method })
+    }
+
+    pub fn set_input_middle_button_emulation_enabled(&self, device: InputDevice, enabled: bool) {
+        self.send(&ClientMessage::SetMiddleButtonEmulationEnabled { device, enabled })
+    }
+
     pub fn device_name(&self, device: InputDevice) -> String {
         let res = self.send_with_response(&ClientMessage::GetDeviceName { device });
         get_response!(res, String::new(), GetDeviceName { name });

jay-config/src/_private/ipc.rs

@@ -5,7 +5,7 @@ use {
         client::{Client, ClientMatcher},
         input::{
             FocusFollowsMouseMode, InputDevice, Seat, SwitchEvent, acceleration::AccelProfile,
-            capability::Capability,
+            capability::Capability, clickmethod::ClickMethod,
         },
         keyboard::{Keymap, mods::Modifiers, syms::KeySym},
         logging::LogLevel,
@@ -710,6 +710,14 @@ pub enum ClientMessage<'a> {
         seat: Seat,
         key: KeySym,
     },
+    SetClickMethod {
+        device: InputDevice,
+        method: ClickMethod,
+    },
+    SetMiddleButtonEmulationEnabled {
+        device: InputDevice,
+        enabled: bool,
+    },
 }
 
 #[derive(Serialize, Deserialize, Debug)]

jay-config/src/input.rs

@@ -2,12 +2,13 @@
 
 pub mod acceleration;
 pub mod capability;
+pub mod clickmethod;
 
 use {
     crate::{
         _private::{DEFAULT_SEAT_NAME, ipc::WorkspaceSource},
         Axis, Direction, ModifiedKeySym, Workspace,
-        input::{acceleration::AccelProfile, capability::Capability},
+        input::{acceleration::AccelProfile, capability::Capability, clickmethod::ClickMethod},
         keyboard::{Keymap, mods::Modifiers, syms::KeySym},
         video::Connector,
         window::Window,
@@ -133,6 +134,20 @@ impl InputDevice {
         get!().set_input_natural_scrolling_enabled(self, enabled);
     }
 
+    /// Sets the click method of the device.
+    ///
+    /// See <https://wayland.freedesktop.org/libinput/doc/latest/configuration.html#click-method>
+    pub fn set_click_method(self, method: ClickMethod) {
+        get!().set_input_click_method(self, method);
+    }
+
+    /// Sets whether middle button emulation is enabled for this device.
+    ///
+    /// See <https://wayland.freedesktop.org/libinput/doc/latest/configuration.html#middle-button-emulation>
+    pub fn set_middle_button_emulation_enabled(self, enabled: bool) {
+        get!().set_input_middle_button_emulation_enabled(self, enabled);
+    }
+
     /// Returns the syspath of this device.
     ///
     /// E.g. `/sys/devices/pci0000:00/0000:00:08.1/0000:14:00.4/usb5/5-1/5-1.1/5-1.1.3/5-1.1.3:1.0`.

jay-config/src/input/clickmethod.rs

@@ -0,0 +1,18 @@
+//! Constants determining the click method of a device.
+//!
+//! See the libinput documentation for details.
+
+use serde::{Deserialize, Serialize};
+
+/// The click method of a device.
+#[derive(Serialize, Deserialize, Copy, Clone, Debug, Hash, Eq, PartialEq)]
+pub struct ClickMethod(pub u32);
+
+/// No click method handling
+pub const CLICK_METHOD_NONE: ClickMethod = ClickMethod(0);
+
+/// Button area
+pub const CLICK_METHOD_BUTTON_AREAS: ClickMethod = ClickMethod(1 << 0);
+
+/// Clickfinger
+pub const CLICK_METHOD_CLICKFINGER: ClickMethod = ClickMethod(1 << 1);