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|
use iced::widget::{column, container, image, pick_list, row, slider, text};
use iced::{
Alignment, Color, ContentFit, Degrees, Element, Length, Rotation, Theme,
};
pub fn main() -> iced::Result {
iced::program("Ferris - Iced", Image::update, Image::view)
.theme(|_| Theme::TokyoNight)
.run()
}
struct Image {
width: f32,
rotation: Rotation,
content_fit: ContentFit,
}
#[derive(Debug, Clone, Copy)]
enum Message {
WidthChanged(f32),
RotationStrategyChanged(RotationStrategy),
RotationChanged(Degrees),
ContentFitChanged(ContentFit),
}
impl Image {
fn update(&mut self, message: Message) {
match message {
Message::WidthChanged(width) => {
self.width = width;
}
Message::RotationStrategyChanged(strategy) => {
self.rotation = match strategy {
RotationStrategy::Floating => {
Rotation::Floating(self.rotation.radians())
}
RotationStrategy::Solid => {
Rotation::Solid(self.rotation.radians())
}
};
}
Message::RotationChanged(rotation) => {
self.rotation = match self.rotation {
Rotation::Floating(_) => {
Rotation::Floating(rotation.into())
}
Rotation::Solid(_) => Rotation::Solid(rotation.into()),
};
}
Message::ContentFitChanged(content_fit) => {
self.content_fit = content_fit;
}
}
}
fn view(&self) -> Element<Message> {
let i_am_ferris = container(
column![
"Hello!",
Element::from(
image(format!(
"{}/../tour/images/ferris.png",
env!("CARGO_MANIFEST_DIR")
))
.width(self.width)
.content_fit(self.content_fit)
.rotation(self.rotation)
)
.explain(Color::WHITE),
"I am Ferris!"
]
.spacing(20)
.align_items(Alignment::Center),
)
.width(Length::Fill)
.height(Length::Fill)
.center_x()
.center_y();
let sizing = row![
pick_list(
[
ContentFit::Contain,
ContentFit::Cover,
ContentFit::Fill,
ContentFit::None,
ContentFit::ScaleDown
],
Some(self.content_fit),
Message::ContentFitChanged
)
.width(Length::Fill),
column![
slider(100.0..=500.0, self.width, Message::WidthChanged),
text(format!("Width: {}px", self.width))
.size(14)
.line_height(1.0)
]
.spacing(5)
.align_items(Alignment::Center)
]
.spacing(10);
let rotation = row![
pick_list(
[RotationStrategy::Floating, RotationStrategy::Solid],
Some(match self.rotation {
Rotation::Floating(_) => RotationStrategy::Floating,
Rotation::Solid(_) => RotationStrategy::Solid,
}),
Message::RotationStrategyChanged,
)
.width(Length::Fill),
column![
slider(
Degrees::RANGE,
self.rotation.degrees(),
Message::RotationChanged
),
text(format!(
"Rotation: {:.0}°",
f32::from(self.rotation.degrees())
))
.size(14)
.line_height(1.0)
]
.spacing(5)
.align_items(Alignment::Center)
]
.spacing(10);
container(column![i_am_ferris, sizing, rotation].spacing(10))
.padding(10)
.into()
}
}
impl Default for Image {
fn default() -> Self {
Self {
width: 300.0,
rotation: Rotation::default(),
content_fit: ContentFit::default(),
}
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum RotationStrategy {
Floating,
Solid,
}
impl std::fmt::Display for RotationStrategy {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(match self {
Self::Floating => "Floating",
Self::Solid => "Solid",
})
}
}
|
