1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
mod renderer;
mod widget;
use renderer::Renderer;
use widget::{button, Button, Checkbox, Column, Text};
use ggez;
use ggez::event;
use ggez::graphics;
use ggez::input::mouse;
pub fn main() -> ggez::GameResult {
let cb = ggez::ContextBuilder::new("iced", "ggez");
let (ctx, event_loop) = &mut cb.build()?;
let state = &mut Game::new(ctx)?;
event::run(ctx, event_loop, state)
}
struct Game {
spritesheet: graphics::Image,
runtime: iced::Runtime,
button: button::State,
}
impl Game {
fn new(context: &mut ggez::Context) -> ggez::GameResult<Game> {
Ok(Game {
spritesheet: graphics::Image::new(context, "/ui.png").unwrap(),
runtime: iced::Runtime::new(),
button: button::State::new(),
})
}
}
impl event::EventHandler for Game {
fn update(&mut self, _ctx: &mut ggez::Context) -> ggez::GameResult {
Ok(())
}
fn mouse_motion_event(
&mut self,
_context: &mut ggez::Context,
x: f32,
y: f32,
_dx: f32,
_dy: f32,
) {
self.runtime.on_event(iced::Event::Mouse(
iced::input::mouse::Event::CursorMoved { x, y },
));
}
fn draw(&mut self, context: &mut ggez::Context) -> ggez::GameResult {
graphics::clear(context, [0.1, 0.2, 0.3, 1.0].into());
let screen = graphics::screen_coordinates(context);
let cursor = {
let hello = Text::new("Hello, iced!");
let checkbox =
Checkbox::new(true, "Check me!", Message::CheckboxToggled);
let button = Button::new(&mut self.button, "Press me!")
.width(200)
.align_self(iced::Align::End);
let widgets = Column::new()
.max_width(600)
.spacing(20)
.push(hello)
.push(checkbox)
.push(button);
let content = Column::new()
.width(screen.w as u32)
.height(screen.h as u32)
.align_items(iced::Align::Center)
.justify_content(iced::Justify::Center)
.push(widgets);
let renderer =
&mut Renderer::new(context, self.spritesheet.clone());
let mut ui = self.runtime.compute(content.into(), renderer);
let messages = ui.update();
let cursor = ui.draw(renderer);
renderer.flush();
cursor
};
mouse::set_cursor_type(context, into_cursor_type(cursor));
graphics::present(context)?;
Ok(())
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Message {
CheckboxToggled(bool),
}
fn into_cursor_type(cursor: iced::MouseCursor) -> mouse::MouseCursor {
match cursor {
iced::MouseCursor::OutOfBounds => mouse::MouseCursor::Default,
iced::MouseCursor::Idle => mouse::MouseCursor::Default,
iced::MouseCursor::Pointer => mouse::MouseCursor::Hand,
iced::MouseCursor::Working => mouse::MouseCursor::Progress,
iced::MouseCursor::Grab => mouse::MouseCursor::Grab,
iced::MouseCursor::Grabbing => mouse::MouseCursor::Grabbing,
}
}
|