Implement basic cursor availability

widget/src/canvas/cursor.rs

@@ -1,64 +0,0 @@
-use crate::core::{Point, Rectangle};
-
-/// The mouse cursor state.
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub enum Cursor {
-    /// The cursor has a defined position.
-    Available(Point),
-
-    /// The cursor is currently unavailable (i.e. out of bounds or busy).
-    Unavailable,
-}
-
-impl Cursor {
-    // TODO: Remove this once this type is used in `iced_native` to encode
-    // proper cursor availability
-    pub(crate) fn from_window_position(position: Point) -> Self {
-        if position.x < 0.0 || position.y < 0.0 {
-            Cursor::Unavailable
-        } else {
-            Cursor::Available(position)
-        }
-    }
-
-    /// Returns the absolute position of the [`Cursor`], if available.
-    pub fn position(&self) -> Option<Point> {
-        match self {
-            Cursor::Available(position) => Some(*position),
-            Cursor::Unavailable => None,
-        }
-    }
-
-    /// Returns the relative position of the [`Cursor`] inside the given bounds,
-    /// if available.
-    ///
-    /// If the [`Cursor`] is not over the provided bounds, this method will
-    /// return `None`.
-    pub fn position_in(&self, bounds: &Rectangle) -> Option<Point> {
-        if self.is_over(bounds) {
-            self.position_from(bounds.position())
-        } else {
-            None
-        }
-    }
-
-    /// Returns the relative position of the [`Cursor`] from the given origin,
-    /// if available.
-    pub fn position_from(&self, origin: Point) -> Option<Point> {
-        match self {
-            Cursor::Available(position) => {
-                Some(Point::new(position.x - origin.x, position.y - origin.y))
-            }
-            Cursor::Unavailable => None,
-        }
-    }
-
-    /// Returns whether the [`Cursor`] is currently over the provided bounds
-    /// or not.
-    pub fn is_over(&self, bounds: &Rectangle) -> bool {
-        match self {
-            Cursor::Available(position) => bounds.contains(*position),
-            Cursor::Unavailable => false,
-        }
-    }
-}

widget/src/canvas/program.rs

@@ -1,6 +1,5 @@
 use crate::canvas::event::{self, Event};
 use crate::canvas::mouse;
-use crate::canvas::Cursor;
 use crate::core::Rectangle;
 use crate::graphics::geometry::{self, Geometry};
 
@@ -33,7 +32,7 @@ where
         _state: &mut Self::State,
         _event: Event,
         _bounds: Rectangle,
-        _cursor: Cursor,
+        _cursor: mouse::Cursor,
     ) -> (event::Status, Option<Message>) {
         (event::Status::Ignored, None)
     }
@@ -51,7 +50,7 @@ where
         renderer: &Renderer,
         theme: &Renderer::Theme,
         bounds: Rectangle,
-        cursor: Cursor,
+        cursor: mouse::Cursor,
     ) -> Vec<Geometry>;
 
     /// Returns the current mouse interaction of the [`Program`].
@@ -64,7 +63,7 @@ where
         &self,
         _state: &Self::State,
         _bounds: Rectangle,
-        _cursor: Cursor,
+        _cursor: mouse::Cursor,
     ) -> mouse::Interaction {
         mouse::Interaction::default()
     }
@@ -82,7 +81,7 @@ where
         state: &mut Self::State,
         event: Event,
         bounds: Rectangle,
-        cursor: Cursor,
+        cursor: mouse::Cursor,
     ) -> (event::Status, Option<Message>) {
         T::update(self, state, event, bounds, cursor)
     }
@@ -93,7 +92,7 @@ where
         renderer: &Renderer,
         theme: &Renderer::Theme,
         bounds: Rectangle,
-        cursor: Cursor,
+        cursor: mouse::Cursor,
     ) -> Vec<Geometry> {
         T::draw(self, state, renderer, theme, bounds, cursor)
     }
@@ -102,7 +101,7 @@ where
         &self,
         state: &Self::State,
         bounds: Rectangle,
-        cursor: Cursor,
+        cursor: mouse::Cursor,
     ) -> mouse::Interaction {
         T::mouse_interaction(self, state, bounds, cursor)
     }