guard by feature flag

Cargo.lock

@@ -1078,6 +1078,30 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "gdk4-wayland"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd34518488cd624a85e75e82540bc24c72cfeb0aea6bad7faed683ca3977dba0"
+dependencies = [
+ "gdk4",
+ "gdk4-wayland-sys",
+ "gio",
+ "glib",
+ "libc",
+]
+
+[[package]]
+name = "gdk4-wayland-sys"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c7a0f2332c531d62ee3f14f5e839ac1abac59e9b052adf1495124c00d89a34b"
+dependencies = [
+ "glib-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -1837,6 +1861,7 @@ name = "lan-mouse-gtk"
 version = "0.2.0"
 dependencies = [
  "async-channel",
+ "gdk4-wayland",
  "glib-build-tools",
  "gtk4",
  "hostname",

lan-mouse-gtk/Cargo.toml

@@ -8,14 +8,20 @@ repository = "https://github.com/feschber/lan-mouse"
 
 [dependencies]
 gtk = { package = "gtk4", version = "0.9.0", features = ["v4_2"] }
-gdk4_wayland = { package = "gdk4-wayland", version="0.9.6" }
 adw = { package = "libadwaita", version = "0.7.0", features = ["v1_1"] }
 async-channel = { version = "2.1.1" }
 hostname = "0.4.0"
 log = "0.4.20"
 lan-mouse-ipc = { path = "../lan-mouse-ipc", version = "0.2.0" }
 thiserror = "2.0.0"
-wayland-client = "0.31.12"
+
+[target.'cfg(all(unix, not(target_os="macos")))'.dependencies]
+gdk4_wayland = { package = "gdk4-wayland", version="0.9.6", optional=true }
 
 [build-dependencies]
 glib-build-tools = { version = "0.20.0" }
+
+
+[features]
+default = ["wayland_window_identifier"]
+wayland_window_identifier = ["dep:gdk4_wayland"]

lan-mouse-gtk/src/lib.rs

@@ -19,6 +19,7 @@ use gtk::{gio, glib, prelude::ApplicationExt};
 use self::client_object::ClientObject;
 use self::key_object::KeyObject;
 
+#[cfg(all(unix, feature = "wayland_window_identifier", not(target_os = "macos")))]
 use gdk4_wayland::WaylandToplevel;
 
 use thiserror::Error;
@@ -128,6 +129,7 @@ fn build_ui(app: &Application) {
 
     // export TopLevel handle and send it to the service so that it can put the InpuCapture / RemoteDesktop
     // windows on top of it using xdg-foreign.
+    #[cfg(all(unix, feature = "wayland_window_identifier", not(target_os = "macos")))]
     window.connect_show(|window| {
         // needs the surface so we have to present first!
         if let Some(surface) = window.surface() {