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use dioxus::prelude::*;
use freya_core::platform::CursorIcon;
use freya_elements as dioxus_elements;
use freya_hooks::use_platform;
/// Properties for the [`CursorArea`] component.
#[derive(Props, Clone, PartialEq)]
pub struct CursorAreaProps {
/// Cursor icon that will be used when hovering this area.
icon: CursorIcon,
/// Inner children for the CursorArea.
children: Element,
}
/// Change the cursor icon when it's hovering over this component.
///
/// # Example
///
/// ```no_run
/// # use freya::prelude::*;
/// # use freya_core::platform::CursorIcon;
/// fn app() -> Element {
/// rsx!(
/// CursorArea {
/// icon: CursorIcon::Progress,
/// label {
/// height: "100%",
/// width: "100%",
/// "Loading"
/// }
/// }
/// )
/// }
/// ```
#[allow(non_snake_case)]
pub fn CursorArea(CursorAreaProps { children, icon }: CursorAreaProps) -> Element {
let platform = use_platform();
let mut is_hovering = use_signal(|| false);
let onmousemove = move |_| {
*is_hovering.write() = true;
platform.set_cursor(icon);
};
let onmouseleave = move |_| {
*is_hovering.write() = false;
platform.set_cursor(CursorIcon::default());
};
use_drop(move || {
if *is_hovering.peek() {
platform.set_cursor(CursorIcon::default());
}
});
rsx!(
rect {
onmousemove,
onmouseleave,
{children}
}
)
}
#[cfg(test)]
mod test {
use freya::prelude::*;
use freya_core::platform::CursorIcon;
use freya_testing::prelude::*;
#[tokio::test]
pub async fn cursor_area() {
fn cursor_area_app() -> Element {
rsx!(
CursorArea {
icon: CursorIcon::Progress,
rect {
height: "50%",
width: "100%",
}
}
CursorArea {
icon: CursorIcon::Pointer,
rect {
height: "50%",
width: "100%",
}
}
)
}
let mut utils = launch_test(cursor_area_app);
// Initial cursor
assert_eq!(utils.cursor_icon(), CursorIcon::default());
utils.move_cursor((100., 100.)).await;
// Cursor after hovering the first half
assert_eq!(utils.cursor_icon(), CursorIcon::Progress);
utils.move_cursor((100., 300.)).await;
// Cursor after hovering the second half
assert_eq!(utils.cursor_icon(), CursorIcon::Pointer);
utils.move_cursor((-1., -1.)).await;
// Cursor after leaving the window
assert_eq!(utils.cursor_icon(), CursorIcon::default());
}
}