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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
use iced::gradient;
use iced::theme;
use iced::widget::{
checkbox, column, container, horizontal_space, row, slider, text,
};
use iced::{Center, Color, Element, Fill, Radians, Theme, color};
pub fn main() -> iced::Result {
tracing_subscriber::fmt::init();
iced::application("Gradient - Iced", Gradient::update, Gradient::view)
.style(Gradient::style)
.transparent(true)
.run()
}
#[derive(Debug, Clone, Copy)]
struct Gradient {
start: Color,
end: Color,
angle: Radians,
transparent: bool,
}
#[derive(Debug, Clone, Copy)]
enum Message {
StartChanged(Color),
EndChanged(Color),
AngleChanged(Radians),
TransparentToggled(bool),
}
impl Gradient {
fn new() -> Self {
Self {
start: Color::WHITE,
end: color!(0x0000ff),
angle: Radians(0.0),
transparent: false,
}
}
fn update(&mut self, message: Message) {
match message {
Message::StartChanged(color) => self.start = color,
Message::EndChanged(color) => self.end = color,
Message::AngleChanged(angle) => self.angle = angle,
Message::TransparentToggled(transparent) => {
self.transparent = transparent;
}
}
}
fn view(&self) -> Element<Message> {
let Self {
start,
end,
angle,
transparent,
} = *self;
let gradient_box = container(horizontal_space())
.style(move |_theme| {
let gradient = gradient::Linear::new(angle)
.add_stop(0.0, start)
.add_stop(1.0, end);
gradient.into()
})
.width(Fill)
.height(Fill);
let angle_picker = row![
text("Angle").width(64),
slider(Radians::RANGE, self.angle, Message::AngleChanged)
.step(0.01)
]
.spacing(8)
.padding(8)
.align_y(Center);
let transparency_toggle = iced::widget::Container::new(
checkbox("Transparent window", transparent)
.on_toggle(Message::TransparentToggled),
)
.padding(8);
column![
color_picker("Start", self.start).map(Message::StartChanged),
color_picker("End", self.end).map(Message::EndChanged),
angle_picker,
transparency_toggle,
gradient_box,
]
.into()
}
fn style(&self, theme: &Theme) -> theme::Style {
if self.transparent {
theme::Style {
background_color: Color::TRANSPARENT,
text_color: theme.palette().text,
}
} else {
theme::default(theme)
}
}
}
impl Default for Gradient {
fn default() -> Self {
Self::new()
}
}
fn color_picker(label: &str, color: Color) -> Element<'_, Color> {
row![
text(label).width(64),
slider(0.0..=1.0, color.r, move |r| { Color { r, ..color } })
.step(0.01),
slider(0.0..=1.0, color.g, move |g| { Color { g, ..color } })
.step(0.01),
slider(0.0..=1.0, color.b, move |b| { Color { b, ..color } })
.step(0.01),
slider(0.0..=1.0, color.a, move |a| { Color { a, ..color } })
.step(0.01),
]
.spacing(8)
.padding(8)
.align_y(Center)
.into()
}
|
