Merge pull request #9 from Elvyria/master

Hide mouse pointer if surface is fully dimmed

man/dim.1.scd

@@ -34,7 +34,7 @@ detected after its timeout, swaylock will be run, locking the screen.
 
 \-a, --alpha <ALPHA>
 	Set the *alpha* value of the overlay, 0.0 being transparent and 1.0 being
-	solid black. Default is 0.5.
+	solid black. When solid, cursor will be hidden. Default is 0.5.
 
 \--gen-completions <PATH>
 	Generates completions for all supported shells at the given path.

src/dim.rs

@@ -426,12 +426,17 @@ impl PointerHandler for DimData {
         &mut self,
         _conn: &smithay_client_toolkit::reexports::client::Connection,
         _qh: &QueueHandle<Self>,
-        _pointer: &wl_pointer::WlPointer,
+        pointer: &wl_pointer::WlPointer,
         events: &[PointerEvent],
     ) {
         for e in events {
             match e.kind {
-                PointerEventKind::Enter { .. } | PointerEventKind::Leave { .. } => (),
+                PointerEventKind::Enter { serial } => {
+                    if self.alpha == 1.0 {
+                        pointer.set_cursor(serial, None, 0, 0);
+                    }
+                },
+                PointerEventKind::Leave { .. } => {}
                 _ => {
                     debug!("Mouse event");
                     self.exit = true;

src/opts.rs

@@ -19,7 +19,7 @@ pub struct DimOpts {
     #[arg(
         short,
         long,
-        help = format!("0.0 is transparent, 1.0 is opaque, [default: {DEFAULT_ALPHA}]")
+        help = format!("0.0 is transparent, 1.0 is opaque. When opaque, cursor will be hidden. [default: {DEFAULT_ALPHA}]")
     )]
     pub alpha: Option<f32>,