diff options
48 files changed, 1271 insertions, 896 deletions
@@ -98,8 +98,8 @@ that can be incremented and decremented using two buttons. We start by modelling the __state__ of our application: ```rust +#[derive(Default)] struct Counter { - // The counter value value: i32, } ``` @@ -110,8 +110,8 @@ the button presses. These interactions are our __messages__: ```rust #[derive(Debug, Clone, Copy)] pub enum Message { - IncrementPressed, - DecrementPressed, + Increment, + Decrement, } ``` @@ -126,15 +126,15 @@ impl Counter { // We use a column: a simple vertical layout column![ // The increment button. We tell it to produce an - // `IncrementPressed` message when pressed - button("+").on_press(Message::IncrementPressed), + // `Increment` message when pressed + button("+").on_press(Message::Increment), // We show the value of the counter here text(self.value).size(50), // The decrement button. We tell it to produce a - // `DecrementPressed` message when pressed - button("-").on_press(Message::DecrementPressed), + // `Decrement` message when pressed + button("-").on_press(Message::Decrement), ] } } @@ -149,10 +149,10 @@ impl Counter { pub fn update(&mut self, message: Message) { match message { - Message::IncrementPressed => { + Message::Increment => { self.value += 1; } - Message::DecrementPressed => { + Message::Decrement => { self.value -= 1; } } @@ -160,8 +160,15 @@ impl Counter { } ``` -And that's everything! We just wrote a whole user interface. Iced is now able -to: +And that's everything! We just wrote a whole user interface. Let's run it: + +```rust +fn main() -> iced::Result { + iced::run("A cool counter", Counter::update, Counter::view) +} +``` + +Iced will automatically: 1. Take the result of our __view logic__ and layout its widgets. 1. Process events from our system and produce __messages__ for our diff --git a/core/src/angle.rs b/core/src/angle.rs index 30ddad83..dc3c0e93 100644 --- a/core/src/angle.rs +++ b/core/src/angle.rs @@ -7,6 +7,18 @@ use std::ops::{Add, AddAssign, Div, Mul, RangeInclusive, Sub, SubAssign}; #[derive(Debug, Copy, Clone, PartialEq, PartialOrd)] pub struct Degrees(pub f32); +impl PartialEq<f32> for Degrees { + fn eq(&self, other: &f32) -> bool { + self.0.eq(other) + } +} + +impl PartialOrd<f32> for Degrees { + fn partial_cmp(&self, other: &f32) -> Option<std::cmp::Ordering> { + self.0.partial_cmp(other) + } +} + /// Radians #[derive(Debug, Copy, Clone, PartialEq, PartialOrd)] pub struct Radians(pub f32); @@ -140,3 +152,15 @@ impl Div for Radians { Self(self.0 / rhs.0) } } + +impl PartialEq<f32> for Radians { + fn eq(&self, other: &f32) -> bool { + self.0.eq(other) + } +} + +impl PartialOrd<f32> for Radians { + fn partial_cmp(&self, other: &f32) -> Option<std::cmp::Ordering> { + self.0.partial_cmp(other) + } +} diff --git a/examples/arc/src/main.rs b/examples/arc/src/main.rs index 6a68cca1..cd62ac17 100644 --- a/examples/arc/src/main.rs +++ b/examples/arc/src/main.rs @@ -1,20 +1,17 @@ use std::{f32::consts::PI, time::Instant}; -use iced::executor; use iced::mouse; use iced::widget::canvas::{ self, stroke, Cache, Canvas, Geometry, Path, Stroke, }; -use iced::{ - Application, Command, Element, Length, Point, Rectangle, Renderer, - Settings, Subscription, Theme, -}; +use iced::{Element, Length, Point, Rectangle, Renderer, Subscription, Theme}; pub fn main() -> iced::Result { - Arc::run(Settings { - antialiasing: true, - ..Settings::default() - }) + iced::application("Arc - Iced", Arc::update, Arc::view) + .subscription(Arc::subscription) + .theme(|_| Theme::Dark) + .antialiased() + .run() } struct Arc { @@ -27,30 +24,9 @@ enum Message { Tick, } -impl Application for Arc { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { - ( - Arc { - start: Instant::now(), - cache: Cache::default(), - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Arc - Iced") - } - - fn update(&mut self, _: Message) -> Command<Message> { +impl Arc { + fn update(&mut self, _: Message) { self.cache.clear(); - - Command::none() } fn view(&self) -> Element<Message> { @@ -60,16 +36,21 @@ impl Application for Arc { .into() } - fn theme(&self) -> Theme { - Theme::Dark - } - fn subscription(&self) -> Subscription<Message> { iced::time::every(std::time::Duration::from_millis(10)) .map(|_| Message::Tick) } } +impl Default for Arc { + fn default() -> Self { + Arc { + start: Instant::now(), + cache: Cache::default(), + } + } +} + impl<Message> canvas::Program<Message> for Arc { type State = (); diff --git a/examples/bezier_tool/src/main.rs b/examples/bezier_tool/src/main.rs index 897e7df8..1d9f7ddb 100644 --- a/examples/bezier_tool/src/main.rs +++ b/examples/bezier_tool/src/main.rs @@ -1,12 +1,11 @@ //! This example showcases an interactive `Canvas` for drawing Bézier curves. use iced::widget::{button, column, text}; -use iced::{Alignment, Element, Length, Sandbox, Settings}; +use iced::{Alignment, Element, Length}; pub fn main() -> iced::Result { - Example::run(Settings { - antialiasing: true, - ..Settings::default() - }) + iced::application("Bezier Tool - Iced", Example::update, Example::view) + .antialiased() + .run() } #[derive(Default)] @@ -21,17 +20,7 @@ enum Message { Clear, } -impl Sandbox for Example { - type Message = Message; - - fn new() -> Self { - Example::default() - } - - fn title(&self) -> String { - String::from("Bezier tool - Iced") - } - +impl Example { fn update(&mut self, message: Message) { match message { Message::AddCurve(curve) => { diff --git a/examples/checkbox/src/main.rs b/examples/checkbox/src/main.rs index ee745c03..6a3b9464 100644 --- a/examples/checkbox/src/main.rs +++ b/examples/checkbox/src/main.rs @@ -1,12 +1,12 @@ -use iced::executor; -use iced::font::{self, Font}; use iced::widget::{checkbox, column, container, row, text}; -use iced::{Application, Command, Element, Length, Settings, Theme}; +use iced::{Element, Font, Length}; const ICON_FONT: Font = Font::with_name("icons"); pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::application("Checkbox - Iced", Example::update, Example::view) + .font(include_bytes!("../fonts/icons.ttf").as_slice()) + .run() } #[derive(Default)] @@ -21,28 +21,10 @@ enum Message { DefaultToggled(bool), CustomToggled(bool), StyledToggled(bool), - FontLoaded(Result<(), font::Error>), } -impl Application for Example { - type Message = Message; - type Flags = (); - type Executor = executor::Default; - type Theme = Theme; - - fn new(_flags: Self::Flags) -> (Self, Command<Message>) { - ( - Self::default(), - font::load(include_bytes!("../fonts/icons.ttf").as_slice()) - .map(Message::FontLoaded), - ) - } - - fn title(&self) -> String { - String::from("Checkbox - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { +impl Example { + fn update(&mut self, message: Message) { match message { Message::DefaultToggled(default) => { self.default = default; @@ -53,10 +35,7 @@ impl Application for Example { Message::CustomToggled(custom) => { self.custom = custom; } - Message::FontLoaded(_) => (), } - - Command::none() } fn view(&self) -> Element<Message> { diff --git a/examples/clock/src/main.rs b/examples/clock/src/main.rs index 87da0c7e..e3f3fa34 100644 --- a/examples/clock/src/main.rs +++ b/examples/clock/src/main.rs @@ -1,17 +1,18 @@ -use iced::executor; +use iced::alignment; use iced::mouse; use iced::widget::canvas::{stroke, Cache, Geometry, LineCap, Path, Stroke}; use iced::widget::{canvas, container}; use iced::{ - Application, Command, Element, Length, Point, Rectangle, Renderer, - Settings, Subscription, Theme, Vector, + Degrees, Element, Font, Length, Point, Rectangle, Renderer, Subscription, + Theme, Vector, }; pub fn main() -> iced::Result { - Clock::run(Settings { - antialiasing: true, - ..Settings::default() - }) + iced::application("Clock - Iced", Clock::update, Clock::view) + .subscription(Clock::subscription) + .theme(Clock::theme) + .antialiased() + .run() } struct Clock { @@ -24,28 +25,8 @@ enum Message { Tick(time::OffsetDateTime), } -impl Application for Clock { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { - ( - Clock { - now: time::OffsetDateTime::now_local() - .unwrap_or_else(|_| time::OffsetDateTime::now_utc()), - clock: Cache::default(), - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Clock - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { +impl Clock { + fn update(&mut self, message: Message) { match message { Message::Tick(local_time) => { let now = local_time; @@ -56,8 +37,6 @@ impl Application for Clock { } } } - - Command::none() } fn view(&self) -> Element<Message> { @@ -82,7 +61,18 @@ impl Application for Clock { } fn theme(&self) -> Theme { - Theme::TokyoNight + Theme::ALL[(self.now.unix_timestamp() as usize / 60) % Theme::ALL.len()] + .clone() + } +} + +impl Default for Clock { + fn default() -> Self { + Self { + now: time::OffsetDateTime::now_local() + .unwrap_or_else(|_| time::OffsetDateTime::now_utc()), + clock: Cache::default(), + } } } @@ -145,8 +135,31 @@ impl<Message> canvas::Program<Message> for Clock { }); frame.with_save(|frame| { - frame.rotate(hand_rotation(self.now.second(), 60)); + let rotation = hand_rotation(self.now.second(), 60); + + frame.rotate(rotation); frame.stroke(&long_hand, thin_stroke()); + + let rotate_factor = if rotation < 180.0 { 1.0 } else { -1.0 }; + + frame.rotate(Degrees(-90.0 * rotate_factor)); + frame.fill_text(canvas::Text { + content: theme.to_string(), + size: (radius / 15.0).into(), + position: Point::new( + (0.78 * radius) * rotate_factor, + -width * 2.0, + ), + color: palette.primary.weak.text, + horizontal_alignment: if rotate_factor > 0.0 { + alignment::Horizontal::Right + } else { + alignment::Horizontal::Left + }, + vertical_alignment: alignment::Vertical::Bottom, + font: Font::MONOSPACE, + ..canvas::Text::default() + }); }); }); @@ -154,8 +167,8 @@ impl<Message> canvas::Program<Message> for Clock { } } -fn hand_rotation(n: u8, total: u8) -> f32 { +fn hand_rotation(n: u8, total: u8) -> Degrees { let turns = n as f32 / total as f32; - 2.0 * std::f32::consts::PI * turns + Degrees(360.0 * turns) } diff --git a/examples/color_palette/src/main.rs b/examples/color_palette/src/main.rs index 4150c641..b997563f 100644 --- a/examples/color_palette/src/main.rs +++ b/examples/color_palette/src/main.rs @@ -3,8 +3,8 @@ use iced::mouse; use iced::widget::canvas::{self, Canvas, Frame, Geometry, Path}; use iced::widget::{column, row, text, Slider}; use iced::{ - Color, Element, Font, Length, Pixels, Point, Rectangle, Renderer, Sandbox, - Settings, Size, Vector, + Color, Element, Font, Length, Pixels, Point, Rectangle, Renderer, Size, + Vector, }; use palette::{ self, convert::FromColor, rgb::Rgb, Darken, Hsl, Lighten, ShiftHue, @@ -13,11 +13,15 @@ use std::marker::PhantomData; use std::ops::RangeInclusive; pub fn main() -> iced::Result { - ColorPalette::run(Settings { - antialiasing: true, - default_font: Font::MONOSPACE, - ..Settings::default() - }) + iced::application( + "Color Palette - Iced", + ColorPalette::update, + ColorPalette::view, + ) + .theme(ColorPalette::theme) + .default_font(Font::MONOSPACE) + .antialiased() + .run() } #[derive(Default)] @@ -41,17 +45,7 @@ pub enum Message { LchColorChanged(palette::Lch), } -impl Sandbox for ColorPalette { - type Message = Message; - - fn new() -> Self { - Self::default() - } - - fn title(&self) -> String { - String::from("Color palette - Iced") - } - +impl ColorPalette { fn update(&mut self, message: Message) { let srgb = match message { Message::RgbColorChanged(rgb) => Rgb::from(rgb), diff --git a/examples/combo_box/src/main.rs b/examples/combo_box/src/main.rs index fcf5feaa..2feb4522 100644 --- a/examples/combo_box/src/main.rs +++ b/examples/combo_box/src/main.rs @@ -1,10 +1,10 @@ use iced::widget::{ column, combo_box, container, scrollable, text, vertical_space, }; -use iced::{Alignment, Element, Length, Sandbox, Settings}; +use iced::{Alignment, Element, Length}; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::run("Combo Box - Iced", Example::update, Example::view) } struct Example { @@ -20,9 +20,7 @@ enum Message { Closed, } -impl Sandbox for Example { - type Message = Message; - +impl Example { fn new() -> Self { Self { languages: combo_box::State::new(Language::ALL.to_vec()), @@ -31,10 +29,6 @@ impl Sandbox for Example { } } - fn title(&self) -> String { - String::from("Combo box - Iced") - } - fn update(&mut self, message: Message) { match message { Message::Selected(language) => { @@ -83,6 +77,12 @@ impl Sandbox for Example { } } +impl Default for Example { + fn default() -> Self { + Example::new() + } +} + #[derive(Debug, Clone, Copy, PartialEq, Eq, Default)] pub enum Language { Danish, diff --git a/examples/component/src/main.rs b/examples/component/src/main.rs index d4f99798..43ba3187 100644 --- a/examples/component/src/main.rs +++ b/examples/component/src/main.rs @@ -1,10 +1,10 @@ use iced::widget::container; -use iced::{Element, Length, Sandbox, Settings}; +use iced::{Element, Length}; use numeric_input::numeric_input; pub fn main() -> iced::Result { - Component::run(Settings::default()) + iced::run("Component - Iced", Component::update, Component::view) } #[derive(Default)] @@ -17,17 +17,7 @@ enum Message { NumericInputChanged(Option<u32>), } -impl Sandbox for Component { - type Message = Message; - - fn new() -> Self { - Self::default() - } - - fn title(&self) -> String { - String::from("Component - Iced") - } - +impl Component { fn update(&mut self, message: Message) { match message { Message::NumericInputChanged(value) => { diff --git a/examples/counter/src/main.rs b/examples/counter/src/main.rs index 13dcbf86..0dd7a976 100644 --- a/examples/counter/src/main.rs +++ b/examples/counter/src/main.rs @@ -1,50 +1,40 @@ -use iced::widget::{button, column, text}; -use iced::{Alignment, Element, Sandbox, Settings}; +use iced::widget::{button, column, text, Column}; +use iced::Alignment; pub fn main() -> iced::Result { - Counter::run(Settings::default()) + iced::run("A cool counter", Counter::update, Counter::view) } +#[derive(Default)] struct Counter { - value: i32, + value: i64, } #[derive(Debug, Clone, Copy)] enum Message { - IncrementPressed, - DecrementPressed, + Increment, + Decrement, } -impl Sandbox for Counter { - type Message = Message; - - fn new() -> Self { - Self { value: 0 } - } - - fn title(&self) -> String { - String::from("Counter - Iced") - } - +impl Counter { fn update(&mut self, message: Message) { match message { - Message::IncrementPressed => { + Message::Increment => { self.value += 1; } - Message::DecrementPressed => { + Message::Decrement => { self.value -= 1; } } } - fn view(&self) -> Element<Message> { + fn view(&self) -> Column<Message> { column![ - button("Increment").on_press(Message::IncrementPressed), + button("Increment").on_press(Message::Increment), text(self.value).size(50), - button("Decrement").on_press(Message::DecrementPressed) + button("Decrement").on_press(Message::Decrement) ] .padding(20) .align_items(Alignment::Center) - .into() } } diff --git a/examples/custom_quad/src/main.rs b/examples/custom_quad/src/main.rs index f64379fa..c093e240 100644 --- a/examples/custom_quad/src/main.rs +++ b/examples/custom_quad/src/main.rs @@ -82,12 +82,10 @@ mod quad { } use iced::widget::{column, container, slider, text}; -use iced::{ - Alignment, Color, Element, Length, Sandbox, Settings, Shadow, Vector, -}; +use iced::{Alignment, Color, Element, Length, Shadow, Vector}; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::run("Custom Quad - Iced", Example::update, Example::view) } struct Example { @@ -109,9 +107,7 @@ enum Message { ShadowBlurRadiusChanged(f32), } -impl Sandbox for Example { - type Message = Message; - +impl Example { fn new() -> Self { Self { radius: [50.0; 4], @@ -124,10 +120,6 @@ impl Sandbox for Example { } } - fn title(&self) -> String { - String::from("Custom widget - Iced") - } - fn update(&mut self, message: Message) { let [tl, tr, br, bl] = self.radius; match message { @@ -203,3 +195,9 @@ impl Sandbox for Example { .into() } } + +impl Default for Example { + fn default() -> Self { + Self::new() + } +} diff --git a/examples/custom_shader/src/main.rs b/examples/custom_shader/src/main.rs index 9e8da3ba..4457a15a 100644 --- a/examples/custom_shader/src/main.rs +++ b/examples/custom_shader/src/main.rs @@ -2,18 +2,20 @@ mod scene; use scene::Scene; -use iced::executor; use iced::time::Instant; use iced::widget::shader::wgpu; use iced::widget::{checkbox, column, container, row, shader, slider, text}; use iced::window; -use iced::{ - Alignment, Application, Color, Command, Element, Length, Subscription, - Theme, -}; +use iced::{Alignment, Color, Element, Length, Subscription}; fn main() -> iced::Result { - IcedCubes::run(iced::Settings::default()) + iced::application( + "Custom Shader - Iced", + IcedCubes::update, + IcedCubes::view, + ) + .subscription(IcedCubes::subscription) + .run() } struct IcedCubes { @@ -30,27 +32,15 @@ enum Message { LightColorChanged(Color), } -impl Application for IcedCubes { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: Self::Flags) -> (Self, Command<Self::Message>) { - ( - Self { - start: Instant::now(), - scene: Scene::new(), - }, - Command::none(), - ) - } - - fn title(&self) -> String { - "Iced Cubes".to_string() +impl IcedCubes { + fn new() -> Self { + Self { + start: Instant::now(), + scene: Scene::new(), + } } - fn update(&mut self, message: Self::Message) -> Command<Self::Message> { + fn update(&mut self, message: Message) { match message { Message::CubeAmountChanged(amount) => { self.scene.change_amount(amount); @@ -68,11 +58,9 @@ impl Application for IcedCubes { self.scene.light_color = color; } } - - Command::none() } - fn view(&self) -> Element<'_, Self::Message> { + fn view(&self) -> Element<'_, Message> { let top_controls = row![ control( "Amount", @@ -147,11 +135,17 @@ impl Application for IcedCubes { .into() } - fn subscription(&self) -> Subscription<Self::Message> { + fn subscription(&self) -> Subscription<Message> { window::frames().map(Message::Tick) } } +impl Default for IcedCubes { + fn default() -> Self { + Self::new() + } +} + fn control<'a>( label: &'static str, control: impl Into<Element<'a, Message>>, diff --git a/examples/custom_widget/src/main.rs b/examples/custom_widget/src/main.rs index 305ef7dd..aa49ebd0 100644 --- a/examples/custom_widget/src/main.rs +++ b/examples/custom_widget/src/main.rs @@ -83,10 +83,10 @@ mod circle { use circle::circle; use iced::widget::{column, container, slider, text}; -use iced::{Alignment, Element, Length, Sandbox, Settings}; +use iced::{Alignment, Element, Length}; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::run("Custom Widget - Iced", Example::update, Example::view) } struct Example { @@ -98,17 +98,11 @@ enum Message { RadiusChanged(f32), } -impl Sandbox for Example { - type Message = Message; - +impl Example { fn new() -> Self { Example { radius: 50.0 } } - fn title(&self) -> String { - String::from("Custom widget - Iced") - } - fn update(&mut self, message: Message) { match message { Message::RadiusChanged(radius) => { @@ -136,3 +130,9 @@ impl Sandbox for Example { .into() } } + +impl Default for Example { + fn default() -> Self { + Self::new() + } +} diff --git a/examples/download_progress/src/main.rs b/examples/download_progress/src/main.rs index 675e9e26..8d7994c8 100644 --- a/examples/download_progress/src/main.rs +++ b/examples/download_progress/src/main.rs @@ -1,14 +1,16 @@ -use iced::executor; -use iced::widget::{button, column, container, progress_bar, text, Column}; -use iced::{ - Alignment, Application, Command, Element, Length, Settings, Subscription, - Theme, -}; - mod download; +use iced::widget::{button, column, container, progress_bar, text, Column}; +use iced::{Alignment, Element, Length, Subscription}; + pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::application( + "Download Progress - Iced", + Example::update, + Example::view, + ) + .subscription(Example::subscription) + .run() } #[derive(Debug)] @@ -24,27 +26,15 @@ pub enum Message { DownloadProgressed((usize, download::Progress)), } -impl Application for Example { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (Example, Command<Message>) { - ( - Example { - downloads: vec![Download::new(0)], - last_id: 0, - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Download progress - Iced") +impl Example { + fn new() -> Self { + Self { + downloads: vec![Download::new(0)], + last_id: 0, + } } - fn update(&mut self, message: Message) -> Command<Message> { + fn update(&mut self, message: Message) { match message { Message::Add => { self.last_id += 1; @@ -63,9 +53,7 @@ impl Application for Example { download.progress(progress); } } - }; - - Command::none() + } } fn subscription(&self) -> Subscription<Message> { @@ -93,6 +81,12 @@ impl Application for Example { } } +impl Default for Example { + fn default() -> Self { + Self::new() + } +} + #[derive(Debug)] struct Download { id: usize, diff --git a/examples/events/src/main.rs b/examples/events/src/main.rs index d5d496c7..6eb11cb8 100644 --- a/examples/events/src/main.rs +++ b/examples/events/src/main.rs @@ -1,21 +1,14 @@ use iced::alignment; use iced::event::{self, Event}; -use iced::executor; use iced::widget::{button, checkbox, container, text, Column}; use iced::window; -use iced::{ - Alignment, Application, Command, Element, Length, Settings, Subscription, - Theme, -}; +use iced::{Alignment, Command, Element, Length, Subscription}; pub fn main() -> iced::Result { - Events::run(Settings { - window: window::Settings { - exit_on_close_request: false, - ..window::Settings::default() - }, - ..Settings::default() - }) + iced::application("Events - Iced", Events::update, Events::view) + .subscription(Events::subscription) + .ignore_close_request() + .run() } #[derive(Debug, Default)] @@ -31,20 +24,7 @@ enum Message { Exit, } -impl Application for Events { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (Events, Command<Message>) { - (Events::default(), Command::none()) - } - - fn title(&self) -> String { - String::from("Events - Iced") - } - +impl Events { fn update(&mut self, message: Message) -> Command<Message> { match message { Message::EventOccurred(event) if self.enabled => { diff --git a/examples/exit/src/main.rs b/examples/exit/src/main.rs index ec618dc1..4948bd0f 100644 --- a/examples/exit/src/main.rs +++ b/examples/exit/src/main.rs @@ -1,10 +1,9 @@ -use iced::executor; use iced::widget::{button, column, container}; use iced::window; -use iced::{Alignment, Application, Command, Element, Length, Settings, Theme}; +use iced::{Alignment, Command, Element, Length}; pub fn main() -> iced::Result { - Exit::run(Settings::default()) + iced::application("Exit - Iced", Exit::update, Exit::view).run() } #[derive(Default)] @@ -18,20 +17,7 @@ enum Message { Exit, } -impl Application for Exit { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { - (Self::default(), Command::none()) - } - - fn title(&self) -> String { - String::from("Exit - Iced") - } - +impl Exit { fn update(&mut self, message: Message) -> Command<Message> { match message { Message::Confirm => window::close(window::Id::MAIN), diff --git a/examples/geometry/src/main.rs b/examples/geometry/src/main.rs index 1ccc4dd6..63efcbdd 100644 --- a/examples/geometry/src/main.rs +++ b/examples/geometry/src/main.rs @@ -147,51 +147,35 @@ mod rainbow { } use iced::widget::{column, container, scrollable}; -use iced::{Element, Length, Sandbox, Settings}; +use iced::{Element, Length}; use rainbow::rainbow; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::run("Custom 2D Geometry - Iced", |_: &mut _, _| {}, view) } -struct Example; - -impl Sandbox for Example { - type Message = (); - - fn new() -> Self { - Self - } - - fn title(&self) -> String { - String::from("Custom 2D geometry - Iced") - } - - fn update(&mut self, _: ()) {} - - fn view(&self) -> Element<()> { - let content = column![ - rainbow(), - "In this example we draw a custom widget Rainbow, using \ +fn view(_state: &()) -> Element<'_, ()> { + let content = column![ + rainbow(), + "In this example we draw a custom widget Rainbow, using \ the Mesh2D primitive. This primitive supplies a list of \ triangles, expressed as vertices and indices.", - "Move your cursor over it, and see the center vertex \ + "Move your cursor over it, and see the center vertex \ follow you!", - "Every Vertex2D defines its own color. You could use the \ + "Every Vertex2D defines its own color. You could use the \ Mesh2D primitive to render virtually any two-dimensional \ geometry for your widget.", - ] - .padding(20) - .spacing(20) - .max_width(500); - - let scrollable = - scrollable(container(content).width(Length::Fill).center_x()); - - container(scrollable) - .width(Length::Fill) - .height(Length::Fill) - .center_y() - .into() - } + ] + .padding(20) + .spacing(20) + .max_width(500); + + let scrollable = + scrollable(container(content).width(Length::Fill).center_x()); + + container(scrollable) + .width(Length::Fill) + .height(Length::Fill) + .center_y() + .into() } diff --git a/examples/layout/src/main.rs b/examples/layout/src/main.rs index 17c51e3d..e6b521b2 100644 --- a/examples/layout/src/main.rs +++ b/examples/layout/src/main.rs @@ -1,4 +1,3 @@ -use iced::executor; use iced::keyboard; use iced::mouse; use iced::widget::{ @@ -6,15 +5,18 @@ use iced::widget::{ row, scrollable, text, }; use iced::{ - color, Alignment, Application, Command, Element, Font, Length, Point, - Rectangle, Renderer, Settings, Subscription, Theme, + color, Alignment, Element, Font, Length, Point, Rectangle, Renderer, + Subscription, Theme, }; pub fn main() -> iced::Result { - Layout::run(Settings::default()) + iced::application(Layout::title, Layout::update, Layout::view) + .subscription(Layout::subscription) + .theme(Layout::theme) + .run() } -#[derive(Debug)] +#[derive(Default, Debug)] struct Layout { example: Example, explain: bool, @@ -29,28 +31,12 @@ enum Message { ThemeSelected(Theme), } -impl Application for Layout { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: Self::Flags) -> (Self, Command<Message>) { - ( - Self { - example: Example::default(), - explain: false, - theme: Theme::Light, - }, - Command::none(), - ) - } - +impl Layout { fn title(&self) -> String { format!("{} - Layout - Iced", self.example.title) } - fn update(&mut self, message: Self::Message) -> Command<Message> { + fn update(&mut self, message: Message) { match message { Message::Next => { self.example = self.example.next(); @@ -65,8 +51,6 @@ impl Application for Layout { self.theme = theme; } } - - Command::none() } fn subscription(&self) -> Subscription<Message> { diff --git a/examples/lazy/src/main.rs b/examples/lazy/src/main.rs index 8758fa66..2d53df93 100644 --- a/examples/lazy/src/main.rs +++ b/examples/lazy/src/main.rs @@ -2,13 +2,13 @@ use iced::widget::{ button, column, horizontal_space, lazy, pick_list, row, scrollable, text, text_input, }; -use iced::{Element, Length, Sandbox, Settings}; +use iced::{Element, Length}; use std::collections::HashSet; use std::hash::Hash; pub fn main() -> iced::Result { - App::run(Settings::default()) + iced::run("Lazy - Iced", App::update, App::view) } struct App { @@ -120,17 +120,7 @@ enum Message { ItemColorChanged(Item, Color), } -impl Sandbox for App { - type Message = Message; - - fn new() -> Self { - Self::default() - } - - fn title(&self) -> String { - String::from("Lazy - Iced") - } - +impl App { fn update(&mut self, message: Message) { match message { Message::InputChanged(input) => { diff --git a/examples/loading_spinners/src/main.rs b/examples/loading_spinners/src/main.rs index 93a4605e..c3308134 100644 --- a/examples/loading_spinners/src/main.rs +++ b/examples/loading_spinners/src/main.rs @@ -1,6 +1,5 @@ -use iced::executor; use iced::widget::{column, container, row, slider, text}; -use iced::{Application, Command, Element, Length, Settings, Theme}; +use iced::{Element, Length}; use std::time::Duration; @@ -12,51 +11,31 @@ use circular::Circular; use linear::Linear; pub fn main() -> iced::Result { - LoadingSpinners::run(Settings { - antialiasing: true, - ..Default::default() - }) + iced::application( + "Loading Spinners - Iced", + LoadingSpinners::update, + LoadingSpinners::view, + ) + .antialiased() + .run() } struct LoadingSpinners { cycle_duration: f32, } -impl Default for LoadingSpinners { - fn default() -> Self { - Self { - cycle_duration: 2.0, - } - } -} - #[derive(Debug, Clone, Copy)] enum Message { CycleDurationChanged(f32), } -impl Application for LoadingSpinners { - type Message = Message; - type Flags = (); - type Executor = executor::Default; - type Theme = Theme; - - fn new(_flags: Self::Flags) -> (Self, Command<Message>) { - (Self::default(), Command::none()) - } - - fn title(&self) -> String { - String::from("Loading Spinners - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { +impl LoadingSpinners { + fn update(&mut self, message: Message) { match message { Message::CycleDurationChanged(duration) => { self.cycle_duration = duration; } } - - Command::none() } fn view(&self) -> Element<Message> { @@ -115,3 +94,11 @@ impl Application for LoadingSpinners { .into() } } + +impl Default for LoadingSpinners { + fn default() -> Self { + Self { + cycle_duration: 2.0, + } + } +} diff --git a/examples/loupe/src/main.rs b/examples/loupe/src/main.rs index 8602edb7..6a5ff123 100644 --- a/examples/loupe/src/main.rs +++ b/examples/loupe/src/main.rs @@ -1,39 +1,30 @@ use iced::widget::{button, column, container, text}; -use iced::{Alignment, Element, Length, Sandbox, Settings}; +use iced::{Alignment, Element, Length}; use loupe::loupe; pub fn main() -> iced::Result { - Counter::run(Settings::default()) + iced::run("Loupe - Iced", Loupe::update, Loupe::view) } -struct Counter { - value: i32, +#[derive(Default)] +struct Loupe { + value: i64, } #[derive(Debug, Clone, Copy)] enum Message { - IncrementPressed, - DecrementPressed, + Increment, + Decrement, } -impl Sandbox for Counter { - type Message = Message; - - fn new() -> Self { - Self { value: 0 } - } - - fn title(&self) -> String { - String::from("Counter - Iced") - } - +impl Loupe { fn update(&mut self, message: Message) { match message { - Message::IncrementPressed => { + Message::Increment => { self.value += 1; } - Message::DecrementPressed => { + Message::Decrement => { self.value -= 1; } } @@ -43,9 +34,9 @@ impl Sandbox for Counter { container(loupe( 3.0, column![ - button("Increment").on_press(Message::IncrementPressed), + button("Increment").on_press(Message::Increment), text(self.value).size(50), - button("Decrement").on_press(Message::DecrementPressed) + button("Decrement").on_press(Message::Decrement) ] .padding(20) .align_items(Alignment::Center), diff --git a/examples/multitouch/src/main.rs b/examples/multitouch/src/main.rs index 956ad471..985c0ab9 100644 --- a/examples/multitouch/src/main.rs +++ b/examples/multitouch/src/main.rs @@ -2,101 +2,58 @@ //! a circle around each fingertip. This only works on touch-enabled //! computers like Microsoft Surface. use iced::mouse; +use iced::touch; use iced::widget::canvas::event; use iced::widget::canvas::stroke::{self, Stroke}; use iced::widget::canvas::{self, Canvas, Geometry}; -use iced::{ - executor, touch, window, Application, Color, Command, Element, Length, - Point, Rectangle, Renderer, Settings, Subscription, Theme, -}; +use iced::{Color, Element, Length, Point, Rectangle, Renderer, Theme}; use std::collections::HashMap; pub fn main() -> iced::Result { tracing_subscriber::fmt::init(); - Multitouch::run(Settings { - antialiasing: true, - window: window::Settings { - position: window::Position::Centered, - ..window::Settings::default() - }, - ..Settings::default() - }) + iced::application("Multitouch - Iced", Multitouch::update, Multitouch::view) + .antialiased() + .centered() + .run() } +#[derive(Default)] struct Multitouch { - state: State, -} - -#[derive(Debug)] -struct State { cache: canvas::Cache, fingers: HashMap<touch::Finger, Point>, } -impl State { - fn new() -> Self { - Self { - cache: canvas::Cache::new(), - fingers: HashMap::new(), - } - } -} - #[derive(Debug)] enum Message { FingerPressed { id: touch::Finger, position: Point }, FingerLifted { id: touch::Finger }, } -impl Application for Multitouch { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { - ( - Multitouch { - state: State::new(), - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Multitouch - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { +impl Multitouch { + fn update(&mut self, message: Message) { match message { Message::FingerPressed { id, position } => { - self.state.fingers.insert(id, position); - self.state.cache.clear(); + self.fingers.insert(id, position); + self.cache.clear(); } Message::FingerLifted { id } => { - self.state.fingers.remove(&id); - self.state.cache.clear(); + self.fingers.remove(&id); + self.cache.clear(); } } - - Command::none() - } - - fn subscription(&self) -> Subscription<Message> { - Subscription::none() } fn view(&self) -> Element<Message> { - Canvas::new(&self.state) + Canvas::new(self) .width(Length::Fill) .height(Length::Fill) .into() } } -impl canvas::Program<Message> for State { +impl canvas::Program<Message> for Multitouch { type State = (); fn update( diff --git a/examples/pane_grid/src/main.rs b/examples/pane_grid/src/main.rs index 5e728ce1..439e9ee5 100644 --- a/examples/pane_grid/src/main.rs +++ b/examples/pane_grid/src/main.rs @@ -1,17 +1,15 @@ use iced::alignment::{self, Alignment}; -use iced::executor; use iced::keyboard; use iced::widget::pane_grid::{self, PaneGrid}; use iced::widget::{ button, column, container, responsive, row, scrollable, text, }; -use iced::{ - Application, Color, Command, Element, Length, Settings, Size, Subscription, - Theme, -}; +use iced::{Color, Element, Length, Size, Subscription}; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::application("Pane Grid - Iced", Example::update, Example::view) + .subscription(Example::subscription) + .run() } struct Example { @@ -35,30 +33,18 @@ enum Message { CloseFocused, } -impl Application for Example { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { +impl Example { + fn new() -> Self { let (panes, _) = pane_grid::State::new(Pane::new(0)); - ( - Example { - panes, - panes_created: 1, - focus: None, - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Pane grid - Iced") + Example { + panes, + panes_created: 1, + focus: None, + } } - fn update(&mut self, message: Message) -> Command<Message> { + fn update(&mut self, message: Message) { match message { Message::Split(axis, pane) => { let result = @@ -132,8 +118,6 @@ impl Application for Example { } } } - - Command::none() } fn subscription(&self) -> Subscription<Message> { @@ -209,6 +193,12 @@ impl Application for Example { } } +impl Default for Example { + fn default() -> Self { + Example::new() + } +} + const PANE_ID_COLOR_UNFOCUSED: Color = Color::from_rgb( 0xFF as f32 / 255.0, 0xC7 as f32 / 255.0, diff --git a/examples/pick_list/src/main.rs b/examples/pick_list/src/main.rs index c40493e2..2be6f5b0 100644 --- a/examples/pick_list/src/main.rs +++ b/examples/pick_list/src/main.rs @@ -1,8 +1,8 @@ use iced::widget::{column, pick_list, scrollable, vertical_space}; -use iced::{Alignment, Element, Length, Sandbox, Settings}; +use iced::{Alignment, Element, Length}; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::run("Pick List - Iced", Example::update, Example::view) } #[derive(Default)] @@ -15,17 +15,7 @@ enum Message { LanguageSelected(Language), } -impl Sandbox for Example { - type Message = Message; - - fn new() -> Self { - Self::default() - } - - fn title(&self) -> String { - String::from("Pick list - Iced") - } - +impl Example { fn update(&mut self, message: Message) { match message { Message::LanguageSelected(language) => { diff --git a/examples/pokedex/src/main.rs b/examples/pokedex/src/main.rs index 193f85f2..c737b87e 100644 --- a/examples/pokedex/src/main.rs +++ b/examples/pokedex/src/main.rs @@ -1,15 +1,20 @@ use iced::futures; use iced::widget::{self, column, container, image, row, text}; -use iced::{Alignment, Application, Command, Element, Length, Settings, Theme}; +use iced::{Alignment, Command, Element, Length}; pub fn main() -> iced::Result { - Pokedex::run(Settings::default()) + iced::application(Pokedex::title, Pokedex::update, Pokedex::view) + .load(Pokedex::search) + .run() } -#[derive(Debug)] +#[derive(Debug, Default)] enum Pokedex { + #[default] Loading, - Loaded { pokemon: Pokemon }, + Loaded { + pokemon: Pokemon, + }, Errored, } @@ -19,17 +24,9 @@ enum Message { Search, } -impl Application for Pokedex { - type Message = Message; - type Theme = Theme; - type Executor = iced::executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (Pokedex, Command<Message>) { - ( - Pokedex::Loading, - Command::perform(Pokemon::search(), Message::PokemonFound), - ) +impl Pokedex { + fn search() -> Command<Message> { + Command::perform(Pokemon::search(), Message::PokemonFound) } fn title(&self) -> String { @@ -59,7 +56,7 @@ impl Application for Pokedex { _ => { *self = Pokedex::Loading; - Command::perform(Pokemon::search(), Message::PokemonFound) + Self::search() } }, } diff --git a/examples/progress_bar/src/main.rs b/examples/progress_bar/src/main.rs index d4ebe4d3..67da62f2 100644 --- a/examples/progress_bar/src/main.rs +++ b/examples/progress_bar/src/main.rs @@ -1,8 +1,8 @@ use iced::widget::{column, progress_bar, slider}; -use iced::{Element, Sandbox, Settings}; +use iced::Element; pub fn main() -> iced::Result { - Progress::run(Settings::default()) + iced::run("Progress Bar - Iced", Progress::update, Progress::view) } #[derive(Default)] @@ -15,17 +15,7 @@ enum Message { SliderChanged(f32), } -impl Sandbox for Progress { - type Message = Message; - - fn new() -> Self { - Self::default() - } - - fn title(&self) -> String { - String::from("A simple Progressbar") - } - +impl Progress { fn update(&mut self, message: Message) { match message { Message::SliderChanged(x) => self.value = x, diff --git a/examples/qr_code/src/main.rs b/examples/qr_code/src/main.rs index 36f79a31..1a23331d 100644 --- a/examples/qr_code/src/main.rs +++ b/examples/qr_code/src/main.rs @@ -1,10 +1,16 @@ use iced::widget::{ column, container, pick_list, qr_code, row, text, text_input, }; -use iced::{Alignment, Element, Length, Sandbox, Settings, Theme}; +use iced::{Alignment, Element, Length, Theme}; pub fn main() -> iced::Result { - QRGenerator::run(Settings::default()) + iced::application( + "QR Code Generator - Iced", + QRGenerator::update, + QRGenerator::view, + ) + .theme(QRGenerator::theme) + .run() } #[derive(Default)] @@ -20,17 +26,7 @@ enum Message { ThemeChanged(Theme), } -impl Sandbox for QRGenerator { - type Message = Message; - - fn new() -> Self { - QRGenerator::default() - } - - fn title(&self) -> String { - String::from("QR Code Generator - Iced") - } - +impl QRGenerator { fn update(&mut self, message: Message) { match message { Message::DataChanged(mut data) => { diff --git a/examples/screenshot/src/main.rs b/examples/screenshot/src/main.rs index 2a1eded7..296a7f54 100644 --- a/examples/screenshot/src/main.rs +++ b/examples/screenshot/src/main.rs @@ -1,12 +1,10 @@ use iced::alignment; -use iced::executor; use iced::keyboard; use iced::widget::{button, column, container, image, row, text, text_input}; use iced::window; use iced::window::screenshot::{self, Screenshot}; use iced::{ - Alignment, Application, Command, ContentFit, Element, Length, Rectangle, - Subscription, Theme, + Alignment, Command, ContentFit, Element, Length, Rectangle, Subscription, }; use ::image as img; @@ -15,9 +13,12 @@ use ::image::ColorType; fn main() -> iced::Result { tracing_subscriber::fmt::init(); - Example::run(iced::Settings::default()) + iced::application("Screenshot - Iced", Example::update, Example::view) + .subscription(Example::subscription) + .run() } +#[derive(Default)] struct Example { screenshot: Option<Screenshot>, saved_png_path: Option<Result<String, PngError>>, @@ -42,33 +43,8 @@ enum Message { HeightInputChanged(Option<u32>), } -impl Application for Example { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: Self::Flags) -> (Self, Command<Self::Message>) { - ( - Example { - screenshot: None, - saved_png_path: None, - png_saving: false, - crop_error: None, - x_input_value: None, - y_input_value: None, - width_input_value: None, - height_input_value: None, - }, - Command::none(), - ) - } - - fn title(&self) -> String { - "Screenshot".to_string() - } - - fn update(&mut self, message: Self::Message) -> Command<Self::Message> { +impl Example { + fn update(&mut self, message: Message) -> Command<Message> { match message { Message::Screenshot => { return iced::window::screenshot( @@ -130,7 +106,7 @@ impl Application for Example { Command::none() } - fn view(&self) -> Element<'_, Self::Message> { + fn view(&self) -> Element<'_, Message> { let image: Element<Message> = if let Some(screenshot) = &self.screenshot { image(image::Handle::from_pixels( @@ -259,7 +235,7 @@ impl Application for Example { .into() } - fn subscription(&self) -> Subscription<Self::Message> { + fn subscription(&self) -> Subscription<Message> { use keyboard::key; keyboard::on_key_press(|key, _modifiers| { diff --git a/examples/scrollable/src/main.rs b/examples/scrollable/src/main.rs index 2ad7272b..a6f3c689 100644 --- a/examples/scrollable/src/main.rs +++ b/examples/scrollable/src/main.rs @@ -1,20 +1,22 @@ -use iced::executor; use iced::widget::scrollable::Properties; use iced::widget::{ button, column, container, horizontal_space, progress_bar, radio, row, scrollable, slider, text, vertical_space, Scrollable, }; -use iced::{ - Alignment, Application, Border, Color, Command, Element, Length, Settings, - Theme, -}; +use iced::{Alignment, Border, Color, Command, Element, Length, Theme}; use once_cell::sync::Lazy; static SCROLLABLE_ID: Lazy<scrollable::Id> = Lazy::new(scrollable::Id::unique); pub fn main() -> iced::Result { - ScrollableDemo::run(Settings::default()) + iced::application( + "Scrollable - Iced", + ScrollableDemo::update, + ScrollableDemo::view, + ) + .theme(ScrollableDemo::theme) + .run() } struct ScrollableDemo { @@ -45,28 +47,16 @@ enum Message { Scrolled(scrollable::Viewport), } -impl Application for ScrollableDemo { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: Self::Flags) -> (Self, Command<Message>) { - ( - ScrollableDemo { - scrollable_direction: Direction::Vertical, - scrollbar_width: 10, - scrollbar_margin: 0, - scroller_width: 10, - current_scroll_offset: scrollable::RelativeOffset::START, - alignment: scrollable::Alignment::Start, - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Scrollable - Iced") +impl ScrollableDemo { + fn new() -> Self { + ScrollableDemo { + scrollable_direction: Direction::Vertical, + scrollbar_width: 10, + scrollbar_margin: 0, + scroller_width: 10, + current_scroll_offset: scrollable::RelativeOffset::START, + alignment: scrollable::Alignment::Start, + } } fn update(&mut self, message: Message) -> Command<Message> { @@ -340,11 +330,17 @@ impl Application for ScrollableDemo { container(content).padding(20).center_x().center_y().into() } - fn theme(&self) -> Self::Theme { + fn theme(&self) -> Theme { Theme::Dark } } +impl Default for ScrollableDemo { + fn default() -> Self { + Self::new() + } +} + fn progress_bar_custom_style(theme: &Theme) -> progress_bar::Appearance { progress_bar::Appearance { background: theme.extended_palette().background.strong.color.into(), diff --git a/examples/sierpinski_triangle/src/main.rs b/examples/sierpinski_triangle/src/main.rs index 01a114bb..ee3039d8 100644 --- a/examples/sierpinski_triangle/src/main.rs +++ b/examples/sierpinski_triangle/src/main.rs @@ -1,25 +1,23 @@ -use std::fmt::Debug; - -use iced::executor; use iced::mouse; use iced::widget::canvas::event::{self, Event}; use iced::widget::canvas::{self, Canvas}; use iced::widget::{column, row, slider, text}; -use iced::{ - Application, Color, Command, Length, Point, Rectangle, Renderer, Settings, - Size, Theme, -}; +use iced::{Color, Length, Point, Rectangle, Renderer, Size, Theme}; use rand::Rng; +use std::fmt::Debug; fn main() -> iced::Result { - SierpinskiEmulator::run(Settings { - antialiasing: true, - ..Settings::default() - }) + iced::application( + "Sierpinski Triangle - Iced", + SierpinskiEmulator::update, + SierpinskiEmulator::view, + ) + .antialiased() + .run() } -#[derive(Debug)] +#[derive(Debug, Default)] struct SierpinskiEmulator { graph: SierpinskiGraph, } @@ -31,27 +29,8 @@ pub enum Message { PointRemoved, } -impl Application for SierpinskiEmulator { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: Self::Flags) -> (Self, iced::Command<Self::Message>) { - let emulator = SierpinskiEmulator { - graph: SierpinskiGraph::new(), - }; - (emulator, Command::none()) - } - - fn title(&self) -> String { - "Sierpinski Triangle Emulator".to_string() - } - - fn update( - &mut self, - message: Self::Message, - ) -> iced::Command<Self::Message> { +impl SierpinskiEmulator { + fn update(&mut self, message: Message) { match message { Message::IterationSet(cur_iter) => { self.graph.iteration = cur_iter; @@ -67,11 +46,9 @@ impl Application for SierpinskiEmulator { } self.graph.redraw(); - - Command::none() } - fn view(&self) -> iced::Element<'_, Self::Message> { + fn view(&self) -> iced::Element<'_, Message> { column![ Canvas::new(&self.graph) .width(Length::Fill) @@ -167,10 +144,6 @@ impl canvas::Program<Message> for SierpinskiGraph { } impl SierpinskiGraph { - fn new() -> SierpinskiGraph { - SierpinskiGraph::default() - } - fn redraw(&mut self) { self.cache.clear(); } diff --git a/examples/slider/src/main.rs b/examples/slider/src/main.rs index f71dac01..b3a47614 100644 --- a/examples/slider/src/main.rs +++ b/examples/slider/src/main.rs @@ -1,8 +1,8 @@ use iced::widget::{column, container, slider, text, vertical_slider}; -use iced::{Element, Length, Sandbox, Settings}; +use iced::{Element, Length}; pub fn main() -> iced::Result { - Slider::run(Settings::default()) + iced::run("Slider - Iced", Slider::update, Slider::view) } #[derive(Debug, Clone)] @@ -17,10 +17,8 @@ pub struct Slider { shift_step: u8, } -impl Sandbox for Slider { - type Message = Message; - - fn new() -> Slider { +impl Slider { + fn new() -> Self { Slider { value: 50, default: 50, @@ -29,10 +27,6 @@ impl Sandbox for Slider { } } - fn title(&self) -> String { - String::from("Slider - Iced") - } - fn update(&mut self, message: Message) { match message { Message::SliderChanged(value) => { @@ -75,3 +69,9 @@ impl Sandbox for Slider { .into() } } + +impl Default for Slider { + fn default() -> Self { + Self::new() + } +} diff --git a/examples/solar_system/src/main.rs b/examples/solar_system/src/main.rs index 4cc625da..40fd6b12 100644 --- a/examples/solar_system/src/main.rs +++ b/examples/solar_system/src/main.rs @@ -6,8 +6,6 @@ //! Inspired by the example found in the MDN docs[1]. //! //! [1]: https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial/Basic_animations#An_animated_solar_system -use iced::application; -use iced::executor; use iced::mouse; use iced::widget::canvas; use iced::widget::canvas::gradient; @@ -15,8 +13,8 @@ use iced::widget::canvas::stroke::{self, Stroke}; use iced::widget::canvas::Path; use iced::window; use iced::{ - Application, Color, Command, Element, Length, Point, Rectangle, Renderer, - Settings, Size, Subscription, Theme, Vector, + Color, Element, Length, Point, Rectangle, Renderer, Size, Subscription, + Theme, Vector, }; use std::time::Instant; @@ -24,12 +22,17 @@ use std::time::Instant; pub fn main() -> iced::Result { tracing_subscriber::fmt::init(); - SolarSystem::run(Settings { - antialiasing: true, - ..Settings::default() - }) + iced::application( + "Solar System - Iced", + SolarSystem::update, + SolarSystem::view, + ) + .subscription(SolarSystem::subscription) + .theme(SolarSystem::theme) + .run() } +#[derive(Default)] struct SolarSystem { state: State, } @@ -39,33 +42,13 @@ enum Message { Tick(Instant), } -impl Application for SolarSystem { - type Executor = executor::Default; - type Message = Message; - type Theme = Theme; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { - ( - SolarSystem { - state: State::new(), - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Solar system - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { +impl SolarSystem { + fn update(&mut self, message: Message) { match message { Message::Tick(instant) => { self.state.update(instant); } } - - Command::none() } fn view(&self) -> Element<Message> { @@ -76,14 +59,7 @@ impl Application for SolarSystem { } fn theme(&self) -> Theme { - Theme::Dark - } - - fn style(&self, _theme: &Theme) -> application::Appearance { - application::Appearance { - background_color: Color::BLACK, - text_color: Color::WHITE, - } + Theme::Moonfly } fn subscription(&self) -> Subscription<Message> { @@ -224,3 +200,9 @@ impl<Message> canvas::Program<Message> for State { vec![background, system] } } + +impl Default for State { + fn default() -> Self { + Self::new() + } +} diff --git a/examples/stopwatch/src/main.rs b/examples/stopwatch/src/main.rs index 56b7686e..2496b85b 100644 --- a/examples/stopwatch/src/main.rs +++ b/examples/stopwatch/src/main.rs @@ -1,27 +1,31 @@ use iced::alignment; -use iced::executor; use iced::keyboard; use iced::time; use iced::widget::{button, column, container, row, text}; -use iced::{ - Alignment, Application, Command, Element, Length, Settings, Subscription, - Theme, -}; +use iced::{Alignment, Element, Length, Subscription, Theme}; use std::time::{Duration, Instant}; pub fn main() -> iced::Result { - Stopwatch::run(Settings::default()) + iced::application("Stopwatch - Iced", Stopwatch::update, Stopwatch::view) + .subscription(Stopwatch::subscription) + .theme(Stopwatch::theme) + .run() } +#[derive(Default)] struct Stopwatch { duration: Duration, state: State, } +#[derive(Default)] enum State { + #[default] Idle, - Ticking { last_tick: Instant }, + Ticking { + last_tick: Instant, + }, } #[derive(Debug, Clone)] @@ -31,27 +35,8 @@ enum Message { Tick(Instant), } -impl Application for Stopwatch { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (Stopwatch, Command<Message>) { - ( - Stopwatch { - duration: Duration::default(), - state: State::Idle, - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Stopwatch - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { +impl Stopwatch { + fn update(&mut self, message: Message) { match message { Message::Toggle => match self.state { State::Idle => { @@ -73,8 +58,6 @@ impl Application for Stopwatch { self.duration = Duration::default(); } } - - Command::none() } fn subscription(&self) -> Subscription<Message> { diff --git a/examples/styling/src/main.rs b/examples/styling/src/main.rs index befdfc1b..ce14aacb 100644 --- a/examples/styling/src/main.rs +++ b/examples/styling/src/main.rs @@ -3,10 +3,12 @@ use iced::widget::{ progress_bar, row, scrollable, slider, text, text_input, toggler, vertical_rule, vertical_space, }; -use iced::{Alignment, Element, Length, Sandbox, Settings, Theme}; +use iced::{Alignment, Element, Length, Theme}; pub fn main() -> iced::Result { - Styling::run(Settings::default()) + iced::application("Styling - Iced", Styling::update, Styling::view) + .theme(Styling::theme) + .run() } #[derive(Default)] @@ -28,17 +30,7 @@ enum Message { TogglerToggled(bool), } -impl Sandbox for Styling { - type Message = Message; - - fn new() -> Self { - Styling::default() - } - - fn title(&self) -> String { - String::from("Styling - Iced") - } - +impl Styling { fn update(&mut self, message: Message) { match message { Message::ThemeChanged(theme) => { diff --git a/examples/svg/src/main.rs b/examples/svg/src/main.rs index 0870dce4..cc686dca 100644 --- a/examples/svg/src/main.rs +++ b/examples/svg/src/main.rs @@ -1,8 +1,8 @@ use iced::widget::{checkbox, column, container, svg}; -use iced::{color, Element, Length, Sandbox, Settings}; +use iced::{color, Element, Length}; pub fn main() -> iced::Result { - Tiger::run(Settings::default()) + iced::run("SVG - Iced", Tiger::update, Tiger::view) } #[derive(Debug, Default)] @@ -15,18 +15,8 @@ pub enum Message { ToggleColorFilter(bool), } -impl Sandbox for Tiger { - type Message = Message; - - fn new() -> Self { - Tiger::default() - } - - fn title(&self) -> String { - String::from("SVG - Iced") - } - - fn update(&mut self, message: Self::Message) { +impl Tiger { + fn update(&mut self, message: Message) { match message { Message::ToggleColorFilter(apply_color_filter) => { self.apply_color_filter = apply_color_filter; @@ -34,7 +24,7 @@ impl Sandbox for Tiger { } } - fn view(&self) -> Element<Self::Message> { + fn view(&self) -> Element<Message> { let handle = svg::Handle::from_path(format!( "{}/resources/tiger.svg", env!("CARGO_MANIFEST_DIR") diff --git a/examples/system_information/src/main.rs b/examples/system_information/src/main.rs index 31dc92f1..75a4d8d6 100644 --- a/examples/system_information/src/main.rs +++ b/examples/system_information/src/main.rs @@ -1,18 +1,23 @@ use iced::widget::{button, column, container, text}; -use iced::{ - executor, system, Application, Command, Element, Length, Settings, Theme, -}; - -use bytesize::ByteSize; +use iced::{system, Command, Element, Length}; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::application( + "System Information - Iced", + Example::update, + Example::view, + ) + .run() } +#[derive(Default)] #[allow(clippy::large_enum_variant)] enum Example { + #[default] Loading, - Loaded { information: system::Information }, + Loaded { + information: system::Information, + }, } #[derive(Clone, Debug)] @@ -22,23 +27,7 @@ enum Message { Refresh, } -impl Application for Example { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { - ( - Self::Loading, - system::fetch_information(Message::InformationReceived), - ) - } - - fn title(&self) -> String { - String::from("System Information - Iced") - } - +impl Example { fn update(&mut self, message: Message) -> Command<Message> { match message { Message::Refresh => { @@ -55,6 +44,8 @@ impl Application for Example { } fn view(&self) -> Element<Message> { + use bytesize::ByteSize; + let content: Element<_> = match self { Example::Loading => text("Loading...").size(40).into(), Example::Loaded { information } => { diff --git a/examples/tooltip/src/main.rs b/examples/tooltip/src/main.rs index ee757311..b6603068 100644 --- a/examples/tooltip/src/main.rs +++ b/examples/tooltip/src/main.rs @@ -1,12 +1,13 @@ use iced::widget::tooltip::Position; use iced::widget::{button, container, tooltip}; -use iced::{Element, Length, Sandbox, Settings}; +use iced::{Element, Length}; pub fn main() -> iced::Result { - Example::run(Settings::default()) + iced::run("Tooltip - Iced", Tooltip::update, Tooltip::view) } -struct Example { +#[derive(Default)] +struct Tooltip { position: Position, } @@ -15,28 +16,16 @@ enum Message { ChangePosition, } -impl Sandbox for Example { - type Message = Message; - - fn new() -> Self { - Self { - position: Position::Bottom, - } - } - - fn title(&self) -> String { - String::from("Tooltip - Iced") - } - +impl Tooltip { fn update(&mut self, message: Message) { match message { Message::ChangePosition => { let position = match &self.position { - Position::FollowCursor => Position::Top, Position::Top => Position::Bottom, Position::Bottom => Position::Left, Position::Left => Position::Right, Position::Right => Position::FollowCursor, + Position::FollowCursor => Position::Top, }; self.position = position; diff --git a/examples/tour/src/main.rs b/examples/tour/src/main.rs index f5791ad7..97ce761c 100644 --- a/examples/tour/src/main.rs +++ b/examples/tour/src/main.rs @@ -4,7 +4,7 @@ use iced::widget::{ scrollable, slider, text, text_input, toggler, vertical_space, }; use iced::widget::{Button, Column, Container, Slider}; -use iced::{Color, Element, Font, Length, Pixels, Sandbox, Settings}; +use iced::{Color, Element, Font, Length, Pixels}; pub fn main() -> iced::Result { #[cfg(target_arch = "wasm32")] @@ -16,7 +16,9 @@ pub fn main() -> iced::Result { #[cfg(not(target_arch = "wasm32"))] tracing_subscriber::fmt::init(); - Tour::run(Settings::default()) + iced::application(Tour::title, Tour::update, Tour::view) + .centered() + .run() } pub struct Tour { @@ -24,11 +26,9 @@ pub struct Tour { debug: bool, } -impl Sandbox for Tour { - type Message = Message; - - fn new() -> Tour { - Tour { +impl Tour { + fn new() -> Self { + Self { steps: Steps::new(), debug: false, } @@ -90,6 +90,12 @@ impl Sandbox for Tour { } } +impl Default for Tour { + fn default() -> Self { + Self::new() + } +} + #[derive(Debug, Clone)] pub enum Message { BackPressed, diff --git a/examples/url_handler/src/main.rs b/examples/url_handler/src/main.rs index bf570123..540d927e 100644 --- a/examples/url_handler/src/main.rs +++ b/examples/url_handler/src/main.rs @@ -1,12 +1,11 @@ use iced::event::{self, Event}; -use iced::executor; use iced::widget::{container, text}; -use iced::{ - Application, Command, Element, Length, Settings, Subscription, Theme, -}; +use iced::{Element, Length, Subscription}; pub fn main() -> iced::Result { - App::run(Settings::default()) + iced::application("URL Handler - Iced", App::update, App::view) + .subscription(App::subscription) + .run() } #[derive(Debug, Default)] @@ -19,21 +18,8 @@ enum Message { EventOccurred(Event), } -impl Application for App { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (App, Command<Message>) { - (App::default(), Command::none()) - } - - fn title(&self) -> String { - String::from("Url - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { +impl App { + fn update(&mut self, message: Message) { match message { Message::EventOccurred(event) => { if let Event::PlatformSpecific( @@ -45,9 +31,7 @@ impl Application for App { self.url = Some(url); } } - }; - - Command::none() + } } fn subscription(&self) -> Subscription<Message> { diff --git a/examples/vectorial_text/src/main.rs b/examples/vectorial_text/src/main.rs index 0b9ea938..37961635 100644 --- a/examples/vectorial_text/src/main.rs +++ b/examples/vectorial_text/src/main.rs @@ -3,18 +3,20 @@ use iced::mouse; use iced::widget::{ canvas, checkbox, column, horizontal_space, row, slider, text, }; -use iced::{ - Element, Length, Point, Rectangle, Renderer, Sandbox, Settings, Theme, - Vector, -}; +use iced::{Element, Length, Point, Rectangle, Renderer, Theme, Vector}; pub fn main() -> iced::Result { - VectorialText::run(Settings { - antialiasing: true, - ..Settings::default() - }) + iced::application( + "Vectorial Text - Iced", + VectorialText::update, + VectorialText::view, + ) + .theme(|_| Theme::Dark) + .antialiased() + .run() } +#[derive(Default)] struct VectorialText { state: State, } @@ -27,19 +29,7 @@ enum Message { ToggleJapanese(bool), } -impl Sandbox for VectorialText { - type Message = Message; - - fn new() -> Self { - Self { - state: State::new(), - } - } - - fn title(&self) -> String { - String::from("Vectorial Text - Iced") - } - +impl VectorialText { fn update(&mut self, message: Message) { match message { Message::SizeChanged(size) => { @@ -106,10 +96,6 @@ impl Sandbox for VectorialText { .padding(20) .into() } - - fn theme(&self) -> Theme { - Theme::Dark - } } struct State { @@ -170,3 +156,9 @@ impl<Message> canvas::Program<Message> for State { vec![geometry] } } + +impl Default for State { + fn default() -> Self { + State::new() + } +} diff --git a/renderer/src/geometry.rs b/renderer/src/geometry.rs index f09ccfbf..36435148 100644 --- a/renderer/src/geometry.rs +++ b/renderer/src/geometry.rs @@ -2,7 +2,7 @@ mod cache; pub use cache::Cache; -use crate::core::{Point, Rectangle, Size, Transformation, Vector}; +use crate::core::{Point, Radians, Rectangle, Size, Transformation, Vector}; use crate::graphics::geometry::{Fill, Path, Stroke, Text}; use crate::Renderer; @@ -184,7 +184,7 @@ impl Frame { /// Applies a rotation in radians to the current transform of the [`Frame`]. #[inline] - pub fn rotate(&mut self, angle: f32) { + pub fn rotate(&mut self, angle: impl Into<Radians>) { delegate!(self, frame, frame.rotate(angle)); } diff --git a/runtime/src/command.rs b/runtime/src/command.rs index f70da915..f7a746fe 100644 --- a/runtime/src/command.rs +++ b/runtime/src/command.rs @@ -112,6 +112,12 @@ impl<T> Command<T> { } } +impl<Message> From<()> for Command<Message> { + fn from(_value: ()) -> Self { + Self::none() + } +} + impl<T> fmt::Debug for Command<T> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let Command(command) = self; @@ -175,6 +175,7 @@ mod error; mod sandbox; pub mod application; +pub mod program; pub mod settings; pub mod time; pub mod window; @@ -308,6 +309,7 @@ pub use error::Error; pub use event::Event; pub use executor::Executor; pub use font::Font; +pub use program::Program; pub use renderer::Renderer; pub use sandbox::Sandbox; pub use settings::Settings; @@ -327,3 +329,49 @@ pub type Element< /// /// [`Application`]: crate::Application pub type Result = std::result::Result<(), Error>; + +/// Runs a basic iced application with default [`Settings`] given +/// - its window title, +/// - its update logic, +/// - and its view logic. +/// +/// # Example +/// ```no_run +/// use iced::widget::{button, column, text, Column}; +/// +/// pub fn main() -> iced::Result { +/// iced::run("A counter", update, view) +/// } +/// +/// #[derive(Debug, Clone)] +/// enum Message { +/// Increment, +/// } +/// +/// fn update(value: &mut u64, message: Message) { +/// match message { +/// Message::Increment => *value += 1, +/// } +/// } +/// +/// fn view(value: &u64) -> Column<Message> { +/// column![ +/// text(value), +/// button("+").on_press(Message::Increment), +/// ] +/// } +/// ``` +pub fn run<State, Message>( + title: impl program::Title<State> + 'static, + update: impl program::Update<State, Message> + 'static, + view: impl for<'a> program::View<'a, State, Message> + 'static, +) -> Result +where + State: Default + 'static, + Message: std::fmt::Debug + Send + 'static, +{ + application(title, update, view).run() +} + +#[doc(inline)] +pub use program::application; diff --git a/src/program.rs b/src/program.rs new file mode 100644 index 00000000..c2841763 --- /dev/null +++ b/src/program.rs @@ -0,0 +1,687 @@ +//! Create iced applications out of simple functions. +//! +//! You can use this API to create and run iced applications +//! step by step—without coupling your logic to a trait +//! or a specific type. +//! +//! This API is meant to be a more convenient—although less +//! powerful—alternative to the [`Sandbox`] and [`Application`] traits. +//! +//! [`Sandbox`]: crate::Sandbox +//! +//! # Example +//! ```no_run +//! use iced::widget::{button, column, text, Column}; +//! use iced::Theme; +//! +//! pub fn main() -> iced::Result { +//! iced::application("A counter", update, view) +//! .theme(|_| Theme::Dark) +//! .centered() +//! .run() +//! } +//! +//! #[derive(Debug, Clone)] +//! enum Message { +//! Increment, +//! } +//! +//! fn update(value: &mut u64, message: Message) { +//! match message { +//! Message::Increment => *value += 1, +//! } +//! } +//! +//! fn view(value: &u64) -> Column<Message> { +//! column![ +//! text(value), +//! button("+").on_press(Message::Increment), +//! ] +//! } +//! ``` +use crate::application::{self, Application}; +use crate::executor::{self, Executor}; +use crate::window; +use crate::{Command, Element, Font, Result, Settings, Subscription}; + +use std::borrow::Cow; + +/// Creates an iced [`Program`] given its title, update, and view logic. +/// +/// # Example +/// ```no_run +/// use iced::widget::{button, column, text, Column}; +/// +/// pub fn main() -> iced::Result { +/// iced::application("A counter", update, view).run() +/// } +/// +/// #[derive(Debug, Clone)] +/// enum Message { +/// Increment, +/// } +/// +/// fn update(value: &mut u64, message: Message) { +/// match message { +/// Message::Increment => *value += 1, +/// } +/// } +/// +/// fn view(value: &u64) -> Column<Message> { +/// column![ +/// text(value), +/// button("+").on_press(Message::Increment), +/// ] +/// } +/// ``` +pub fn application<State, Message>( + title: impl Title<State>, + update: impl Update<State, Message>, + view: impl for<'a> self::View<'a, State, Message>, +) -> Program< + impl Definition<State = State, Message = Message, Theme = crate::Theme>, +> +where + State: Default + 'static, + Message: Send + std::fmt::Debug, +{ + use std::marker::PhantomData; + + struct Application<State, Message, Update, View> { + update: Update, + view: View, + _state: PhantomData<State>, + _message: PhantomData<Message>, + } + + impl<State, Message, Update, View> Definition + for Application<State, Message, Update, View> + where + State: Default, + Message: Send + std::fmt::Debug, + Update: self::Update<State, Message>, + View: for<'a> self::View<'a, State, Message>, + { + type State = State; + type Message = Message; + type Theme = crate::Theme; + type Executor = executor::Default; + + fn build(&self) -> (Self::State, Command<Self::Message>) { + (Self::State::default(), Command::none()) + } + + fn update( + &self, + state: &mut Self::State, + message: Self::Message, + ) -> Command<Self::Message> { + self.update.update(state, message).into() + } + + fn view<'a>( + &self, + state: &'a Self::State, + ) -> Element<'a, Self::Message, Self::Theme> { + self.view.view(state).into() + } + } + + Program { + raw: Application { + update, + view, + _state: PhantomData, + _message: PhantomData, + }, + settings: Settings::default(), + } + .title(title) +} + +/// A fully functioning and configured iced application. +/// +/// It can be [`run`]! +/// +/// Create one with the [`application`] helper. +/// +/// [`run`]: Program::run +/// [`application`]: self::application() +#[derive(Debug)] +pub struct Program<P: Definition> { + raw: P, + settings: Settings, +} + +impl<P: Definition> Program<P> { + /// Runs the [`Program`]. + pub fn run(self) -> Result + where + Self: 'static, + { + struct Instance<P: Definition> { + program: P, + state: P::State, + } + + impl<P: Definition> Application for Instance<P> { + type Message = P::Message; + type Theme = P::Theme; + type Flags = P; + type Executor = P::Executor; + + fn new(program: Self::Flags) -> (Self, Command<Self::Message>) { + let (state, command) = P::build(&program); + + (Self { program, state }, command) + } + + fn title(&self) -> String { + self.program.title(&self.state) + } + + fn update( + &mut self, + message: Self::Message, + ) -> Command<Self::Message> { + self.program.update(&mut self.state, message) + } + + fn view( + &self, + ) -> crate::Element<'_, Self::Message, Self::Theme, crate::Renderer> + { + self.program.view(&self.state) + } + + fn theme(&self) -> Self::Theme { + self.program.theme(&self.state) + } + + fn subscription(&self) -> Subscription<Self::Message> { + self.program.subscription(&self.state) + } + } + + let Self { raw, settings } = self; + + Instance::run(Settings { + flags: raw, + id: settings.id, + window: settings.window, + fonts: settings.fonts, + default_font: settings.default_font, + default_text_size: settings.default_text_size, + antialiasing: settings.antialiasing, + }) + } + + /// Sets the [`Settings`] that will be used to run the [`Program`]. + pub fn settings(self, settings: Settings) -> Self { + Self { settings, ..self } + } + + /// Toggles the [`Settings::antialiasing`] to `true` for the [`Program`]. + pub fn antialiased(self) -> Self { + Self { + settings: Settings { + antialiasing: true, + ..self.settings + }, + ..self + } + } + + /// Sets the default [`Font`] of the [`Program`]. + pub fn default_font(self, default_font: Font) -> Self { + Self { + settings: Settings { + default_font, + ..self.settings + }, + ..self + } + } + + /// Adds a font to the list of fonts that will be loaded at the start of the [`Program`]. + pub fn font(mut self, font: impl Into<Cow<'static, [u8]>>) -> Self { + self.settings.fonts.push(font.into()); + self + } + + /// Sets the [`window::Settings::position`] to [`window::Position::Centered`] in the [`Program`]. + pub fn centered(self) -> Self { + Self { + settings: Settings { + window: window::Settings { + position: window::Position::Centered, + ..self.settings.window + }, + ..self.settings + }, + ..self + } + } + + /// Sets the [`window::Settings::exit_on_close_request`] to `false` in the [`Program`]. + pub fn ignore_close_request(self) -> Self { + Self { + settings: Settings { + window: window::Settings { + exit_on_close_request: false, + ..self.settings.window + }, + ..self.settings + }, + ..self + } + } + + /// Sets the [`Title`] of the [`Program`]. + pub(crate) fn title( + self, + title: impl Title<P::State>, + ) -> Program< + impl Definition<State = P::State, Message = P::Message, Theme = P::Theme>, + > { + Program { + raw: with_title(self.raw, title), + settings: self.settings, + } + } + + /// Runs the [`Command`] produced by the closure at startup. + pub fn load( + self, + f: impl Fn() -> Command<P::Message>, + ) -> Program< + impl Definition<State = P::State, Message = P::Message, Theme = P::Theme>, + > { + Program { + raw: with_load(self.raw, f), + settings: self.settings, + } + } + + /// Sets the subscription logic of the [`Program`]. + pub fn subscription( + self, + f: impl Fn(&P::State) -> Subscription<P::Message>, + ) -> Program< + impl Definition<State = P::State, Message = P::Message, Theme = P::Theme>, + > { + Program { + raw: with_subscription(self.raw, f), + settings: self.settings, + } + } + + /// Sets the theme logic of the [`Program`]. + pub fn theme( + self, + f: impl Fn(&P::State) -> P::Theme, + ) -> Program< + impl Definition<State = P::State, Message = P::Message, Theme = P::Theme>, + > { + Program { + raw: with_theme(self.raw, f), + settings: self.settings, + } + } +} + +/// The internal definition of a [`Program`]. +/// +/// You should not need to implement this trait directly. Instead, use the +/// helper functions available in the [`program`] module and the [`Program`] struct. +/// +/// [`program`]: crate::program +#[allow(missing_docs)] +pub trait Definition: Sized { + /// The state of the program. + type State; + + /// The message of the program. + type Message: Send + std::fmt::Debug; + + /// The theme of the program. + type Theme: Default + application::DefaultStyle; + + /// The executor of the program. + type Executor: Executor; + + fn build(&self) -> (Self::State, Command<Self::Message>); + + fn update( + &self, + state: &mut Self::State, + message: Self::Message, + ) -> Command<Self::Message>; + + fn view<'a>( + &self, + state: &'a Self::State, + ) -> Element<'a, Self::Message, Self::Theme>; + + fn title(&self, _state: &Self::State) -> String { + String::from("A cool iced application!") + } + + fn subscription( + &self, + _state: &Self::State, + ) -> Subscription<Self::Message> { + Subscription::none() + } + + fn theme(&self, _state: &Self::State) -> Self::Theme { + Self::Theme::default() + } +} + +fn with_title<P: Definition>( + program: P, + title: impl Title<P::State>, +) -> impl Definition<State = P::State, Message = P::Message, Theme = P::Theme> { + struct WithTitle<P, Title> { + program: P, + title: Title, + } + + impl<P, Title> Definition for WithTitle<P, Title> + where + P: Definition, + Title: self::Title<P::State>, + { + type State = P::State; + type Message = P::Message; + type Theme = P::Theme; + type Executor = P::Executor; + + fn build(&self) -> (Self::State, Command<Self::Message>) { + self.program.build() + } + + fn title(&self, state: &Self::State) -> String { + self.title.title(state) + } + + fn update( + &self, + state: &mut Self::State, + message: Self::Message, + ) -> Command<Self::Message> { + self.program.update(state, message) + } + + fn view<'a>( + &self, + state: &'a Self::State, + ) -> Element<'a, Self::Message, Self::Theme> { + self.program.view(state) + } + + fn theme(&self, state: &Self::State) -> Self::Theme { + self.program.theme(state) + } + + fn subscription( + &self, + state: &Self::State, + ) -> Subscription<Self::Message> { + self.program.subscription(state) + } + } + + WithTitle { program, title } +} + +fn with_load<P: Definition>( + program: P, + f: impl Fn() -> Command<P::Message>, +) -> impl Definition<State = P::State, Message = P::Message, Theme = P::Theme> { + struct WithLoad<P, F> { + program: P, + load: F, + } + + impl<P: Definition, F> Definition for WithLoad<P, F> + where + F: Fn() -> Command<P::Message>, + { + type State = P::State; + type Message = P::Message; + type Theme = P::Theme; + type Executor = executor::Default; + + fn build(&self) -> (Self::State, Command<Self::Message>) { + let (state, command) = self.program.build(); + + (state, Command::batch([command, (self.load)()])) + } + + fn update( + &self, + state: &mut Self::State, + message: Self::Message, + ) -> Command<Self::Message> { + self.program.update(state, message) + } + + fn view<'a>( + &self, + state: &'a Self::State, + ) -> Element<'a, Self::Message, Self::Theme> { + self.program.view(state) + } + + fn title(&self, state: &Self::State) -> String { + self.program.title(state) + } + + fn theme(&self, state: &Self::State) -> Self::Theme { + self.program.theme(state) + } + + fn subscription( + &self, + state: &Self::State, + ) -> Subscription<Self::Message> { + self.program.subscription(state) + } + } + + WithLoad { program, load: f } +} + +fn with_subscription<P: Definition>( + program: P, + f: impl Fn(&P::State) -> Subscription<P::Message>, +) -> impl Definition<State = P::State, Message = P::Message, Theme = P::Theme> { + struct WithSubscription<P, F> { + program: P, + subscription: F, + } + + impl<P: Definition, F> Definition for WithSubscription<P, F> + where + F: Fn(&P::State) -> Subscription<P::Message>, + { + type State = P::State; + type Message = P::Message; + type Theme = P::Theme; + type Executor = executor::Default; + + fn subscription( + &self, + state: &Self::State, + ) -> Subscription<Self::Message> { + (self.subscription)(state) + } + + fn build(&self) -> (Self::State, Command<Self::Message>) { + self.program.build() + } + + fn update( + &self, + state: &mut Self::State, + message: Self::Message, + ) -> Command<Self::Message> { + self.program.update(state, message) + } + + fn view<'a>( + &self, + state: &'a Self::State, + ) -> Element<'a, Self::Message, Self::Theme> { + self.program.view(state) + } + + fn title(&self, state: &Self::State) -> String { + self.program.title(state) + } + + fn theme(&self, state: &Self::State) -> Self::Theme { + self.program.theme(state) + } + } + + WithSubscription { + program, + subscription: f, + } +} + +fn with_theme<P: Definition>( + program: P, + f: impl Fn(&P::State) -> P::Theme, +) -> impl Definition<State = P::State, Message = P::Message, Theme = P::Theme> { + struct WithTheme<P, F> { + program: P, + theme: F, + } + + impl<P: Definition, F> Definition for WithTheme<P, F> + where + F: Fn(&P::State) -> P::Theme, + { + type State = P::State; + type Message = P::Message; + type Theme = P::Theme; + type Executor = P::Executor; + + fn theme(&self, state: &Self::State) -> Self::Theme { + (self.theme)(state) + } + + fn build(&self) -> (Self::State, Command<Self::Message>) { + self.program.build() + } + + fn title(&self, state: &Self::State) -> String { + self.program.title(state) + } + + fn update( + &self, + state: &mut Self::State, + message: Self::Message, + ) -> Command<Self::Message> { + self.program.update(state, message) + } + + fn view<'a>( + &self, + state: &'a Self::State, + ) -> Element<'a, Self::Message, Self::Theme> { + self.program.view(state) + } + + fn subscription( + &self, + state: &Self::State, + ) -> Subscription<Self::Message> { + self.program.subscription(state) + } + } + + WithTheme { program, theme: f } +} + +/// The title logic of some [`Program`]. +/// +/// This trait is implemented both for `&static str` and +/// any closure `Fn(&State) -> String`. +/// +/// You can use any of these in [`Program::title`]. +pub trait Title<State> { + /// Produces the title of the [`Program`]. + fn title(&self, state: &State) -> String; +} + +impl<State> Title<State> for &'static str { + fn title(&self, _state: &State) -> String { + self.to_string() + } +} + +impl<T, State> Title<State> for T +where + T: Fn(&State) -> String, +{ + fn title(&self, state: &State) -> String { + self(state) + } +} + +/// The update logic of some [`Program`]. +/// +/// This trait allows [`application`] to take any closure that +/// returns any `Into<Command<Message>>`. +/// +/// [`application`]: self::application() +pub trait Update<State, Message> { + /// Processes the message and updates the state of the [`Program`]. + fn update( + &self, + state: &mut State, + message: Message, + ) -> impl Into<Command<Message>>; +} + +impl<T, State, Message, C> Update<State, Message> for T +where + T: Fn(&mut State, Message) -> C, + C: Into<Command<Message>>, +{ + fn update( + &self, + state: &mut State, + message: Message, + ) -> impl Into<Command<Message>> { + self(state, message) + } +} + +/// The view logic of some [`Program`]. +/// +/// This trait allows [`application`] to take any closure that +/// returns any `Into<Element<'_, Message>>`. +/// +/// [`application`]: self::application() +pub trait View<'a, State, Message> { + /// Produces the widget of the [`Program`]. + fn view(&self, state: &'a State) -> impl Into<Element<'a, Message>>; +} + +impl<'a, T, State, Message, Widget> View<'a, State, Message> for T +where + T: Fn(&'a State) -> Widget, + State: 'static, + Widget: Into<Element<'a, Message>>, +{ + fn view(&self, state: &'a State) -> impl Into<Element<'a, Message>> { + self(state) + } +} diff --git a/src/settings.rs b/src/settings.rs index d9476b61..92204847 100644 --- a/src/settings.rs +++ b/src/settings.rs @@ -6,7 +6,7 @@ use std::borrow::Cow; /// The settings of an application. #[derive(Debug, Clone)] -pub struct Settings<Flags> { +pub struct Settings<Flags = ()> { /// The identifier of the application. /// /// If provided, this identifier may be used to identify the application or diff --git a/tiny_skia/src/geometry.rs b/tiny_skia/src/geometry.rs index f7518731..16787f89 100644 --- a/tiny_skia/src/geometry.rs +++ b/tiny_skia/src/geometry.rs @@ -1,5 +1,7 @@ use crate::core::text::LineHeight; -use crate::core::{Pixels, Point, Rectangle, Size, Transformation, Vector}; +use crate::core::{ + Pixels, Point, Radians, Rectangle, Size, Transformation, Vector, +}; use crate::graphics::geometry::fill::{self, Fill}; use crate::graphics::geometry::stroke::{self, Stroke}; use crate::graphics::geometry::{Path, Style, Text}; @@ -192,10 +194,10 @@ impl Frame { self.transform.pre_translate(translation.x, translation.y); } - pub fn rotate(&mut self, angle: f32) { - self.transform = self - .transform - .pre_concat(tiny_skia::Transform::from_rotate(angle.to_degrees())); + pub fn rotate(&mut self, angle: impl Into<Radians>) { + self.transform = self.transform.pre_concat( + tiny_skia::Transform::from_rotate(angle.into().0.to_degrees()), + ); } pub fn scale(&mut self, scale: impl Into<f32>) { diff --git a/wgpu/src/geometry.rs b/wgpu/src/geometry.rs index 8cfcfff0..f4e0fbda 100644 --- a/wgpu/src/geometry.rs +++ b/wgpu/src/geometry.rs @@ -1,6 +1,8 @@ //! Build and draw geometry. use crate::core::text::LineHeight; -use crate::core::{Pixels, Point, Rectangle, Size, Transformation, Vector}; +use crate::core::{ + Pixels, Point, Radians, Rectangle, Size, Transformation, Vector, +}; use crate::graphics::color; use crate::graphics::geometry::fill::{self, Fill}; use crate::graphics::geometry::{ @@ -475,12 +477,12 @@ impl Frame { /// Applies a rotation in radians to the current transform of the [`Frame`]. #[inline] - pub fn rotate(&mut self, angle: f32) { + pub fn rotate(&mut self, angle: impl Into<Radians>) { self.transforms.current.0 = self .transforms .current .0 - .pre_rotate(lyon::math::Angle::radians(angle)); + .pre_rotate(lyon::math::Angle::radians(angle.into().0)); } /// Applies a uniform scaling to the current transform of the [`Frame`]. diff --git a/widget/src/tooltip.rs b/widget/src/tooltip.rs index 8e11ca98..32c962fc 100644 --- a/widget/src/tooltip.rs +++ b/widget/src/tooltip.rs @@ -273,11 +273,10 @@ where } /// The position of the tooltip. Defaults to following the cursor. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] +#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)] pub enum Position { - /// The tooltip will follow the cursor. - FollowCursor, /// The tooltip will appear on the top of the widget. + #[default] Top, /// The tooltip will appear on the bottom of the widget. Bottom, @@ -285,6 +284,8 @@ pub enum Position { Left, /// The tooltip will appear on the right of the widget. Right, + /// The tooltip will follow the cursor. + FollowCursor, } #[derive(Debug, Clone, Copy, PartialEq, Default)] |