Add Hidden variant to mouse::Interaction

Author: thorn132

core/src/mouse/interaction.rs

@@ -4,6 +4,7 @@
 pub enum Interaction {
     #[default]
     None,
+    Hidden,
     Idle,
     Pointer,
     Grab,

winit/src/conversion.rs

@@ -467,10 +467,13 @@ pub fn window_theme(mode: theme::Mode) -> Option<winit::window::Theme> {
 /// [`winit`]: https://github.com/rust-windowing/winit
 pub fn mouse_interaction(
     interaction: mouse::Interaction,
-) -> winit::window::CursorIcon {
+) -> Option<winit::window::CursorIcon> {
     use mouse::Interaction;
 
-    match interaction {
+    let icon = match interaction {
+        Interaction::Hidden => {
+            return None;
+        }
         Interaction::None | Interaction::Idle => {
             winit::window::CursorIcon::Default
         }
@@ -497,7 +500,9 @@ pub fn mouse_interaction(
         Interaction::Move => winit::window::CursorIcon::Move,
         Interaction::Copy => winit::window::CursorIcon::Copy,
         Interaction::Help => winit::window::CursorIcon::Help,
-    }
+    };
+
+    Some(icon)
 }
 
 /// Converts a `MouseButton` from [`winit`] to an [`iced`] mouse button.

winit/src/window.rs

@@ -245,8 +245,15 @@ where
 
     pub fn update_mouse(&mut self, interaction: mouse::Interaction) {
         if interaction != self.mouse_interaction {
-            self.raw
-                .set_cursor(conversion::mouse_interaction(interaction));
+            if let Some(icon) = conversion::mouse_interaction(interaction) {
+                self.raw.set_cursor(icon);
+
+                if self.mouse_interaction == mouse::Interaction::Hidden {
+                    self.raw.set_cursor_visible(true);
+                }
+            } else {
+                self.raw.set_cursor_visible(false);
+            }
 
             self.mouse_interaction = interaction;
         }