Files
iris/tests/pointer.rs
T
2026-09-14 02:50:09 -04:00

86 lines
2.5 KiB
Rust

//! Which widget an input reaches.
use std::{cell::RefCell, rc::Rc};
use iris::harness::{Harness, TouchScript};
use iris::prelude::*;
#[test]
fn a_press_reaches_only_the_widget_under_the_cursor() {
let mut h = Harness::new((400, 200));
let clicks = Rc::new(RefCell::new(Vec::new()));
let (on_left, on_right) = (clicks.clone(), clicks.clone());
let left = rect(Color::RED)
.width(100)
.on(CursorSense::click(), move |_, _| {
on_left.borrow_mut().push("left")
})
.add(&mut h.rsc);
let right = rect(Color::BLUE)
.on(CursorSense::click(), move |_, _| {
on_right.borrow_mut().push("right")
})
.add(&mut h.rsc);
h.set_root((left, right).span(Dir::RIGHT));
h.click((50, 100));
assert_eq!(*clicks.borrow(), ["left"]);
h.click((300, 100));
assert_eq!(*clicks.borrow(), ["left", "right"]);
}
#[test]
fn hover_ends_when_the_cursor_leaves_the_window() {
let mut h = Harness::new((400, 200));
let hovered = Rc::new(RefCell::new(0));
let ended = Rc::new(RefCell::new(0));
let (h_count, e_count) = (hovered.clone(), ended.clone());
let widget = rect(Color::RED)
.on(CursorSense::HoverStart, move |_, _| {
*h_count.borrow_mut() += 1
})
.on(CursorSense::HoverEnd, move |_, _| {
*e_count.borrow_mut() += 1
})
.add(&mut h.rsc);
h.set_root(widget);
h.move_to((200, 100));
assert_eq!((*hovered.borrow(), *ended.borrow()), (1, 0));
// A second sample inside the same widget is not a second hover.
h.move_to((210, 100));
assert_eq!((*hovered.borrow(), *ended.borrow()), (1, 0));
h.leave();
assert_eq!((*hovered.borrow(), *ended.borrow()), (1, 1));
}
#[test]
fn a_recorded_gesture_presses_where_it_says() {
let mut h = Harness::new((400, 200));
let clicks = Rc::new(RefCell::new(Vec::new()));
let (on_left, on_right) = (clicks.clone(), clicks.clone());
let left = rect(Color::RED)
.width(100)
.on(CursorSense::click(), move |_, _| {
on_left.borrow_mut().push("left")
})
.add(&mut h.rsc);
let right = rect(Color::BLUE)
.on(CursorSense::click(), move |_, _| {
on_right.borrow_mut().push("right")
})
.add(&mut h.rsc);
h.set_root((left, right).span(Dir::RIGHT));
let script = TouchScript::parse("0 down 300 100\n80 up 300 100").unwrap();
h.replay(&script);
assert_eq!(*clicks.borrow(), ["right"]);
}