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Implement basic cursor availability

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This commit is contained in:
Héctor Ramón Jiménez 2023-06-08 20:11:59 +02:00
parent c15f1b5f65
commit 34451bff18
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GPG key ID: 140CC052C94F138E
55 changed files with 731 additions and 886 deletions
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40
examples/geometry/src/main.rs
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@ -7,9 +7,8 @@ mod rainbow {
use iced::advanced::layout::{self, Layout};
use iced::advanced::renderer;
use iced::advanced::widget::{self, Widget};
use iced::{
Element, Length, Point, Rectangle, Renderer, Size, Theme, Vector,
};
use iced::mouse;
use iced::{Element, Length, Rectangle, Renderer, Size, Theme, Vector};
#[derive(Debug, Clone, Copy, Default)]
pub struct Rainbow;
@ -44,13 +43,13 @@ mod rainbow {
_theme: &Theme,
_style: &renderer::Style,
layout: Layout<'_>,
cursor_position: Point,
cursor: mouse::Cursor,
_viewport: &Rectangle,
) {
use iced::advanced::Renderer as _;
use iced_graphics::primitive::Mesh2D;
let b = layout.bounds();
let bounds = layout.bounds();
// R O Y G B I V
let color_r = [1.0, 0.0, 0.0, 1.0];
@ -63,24 +62,24 @@ mod rainbow {
let color_v = [0.75, 0.0, 0.5, 1.0];
let posn_center = {
if b.contains(cursor_position) {
[cursor_position.x - b.x, cursor_position.y - b.y]
if let Some(cursor_position) = cursor.position_in(&bounds) {
[cursor_position.x, cursor_position.y]
} else {
[b.width / 2.0, b.height / 2.0]
[bounds.width / 2.0, bounds.height / 2.0]
}
};
let posn_tl = [0.0, 0.0];
let posn_t = [b.width / 2.0, 0.0];
let posn_tr = [b.width, 0.0];
let posn_r = [b.width, b.height / 2.0];
let posn_br = [b.width, b.height];
let posn_b = [(b.width / 2.0), b.height];
let posn_bl = [0.0, b.height];
let posn_l = [0.0, b.height / 2.0];
let posn_t = [bounds.width / 2.0, 0.0];
let posn_tr = [bounds.width, 0.0];
let posn_r = [bounds.width, bounds.height / 2.0];
let posn_br = [bounds.width, bounds.height];
let posn_b = [(bounds.width / 2.0), bounds.height];
let posn_bl = [0.0, bounds.height];
let posn_l = [0.0, bounds.height / 2.0];
let mesh = Primitive::SolidMesh {
size: b.size(),
size: bounds.size(),
buffers: Mesh2D {
vertices: vec![
ColoredVertex2D {
@ -133,9 +132,12 @@ mod rainbow {
},
};
renderer.with_translation(Vector::new(b.x, b.y), |renderer| {
renderer.draw_primitive(mesh);
});
renderer.with_translation(
Vector::new(bounds.x, bounds.y),
|renderer| {
renderer.draw_primitive(mesh);
},
);
}
}