diff options
Diffstat (limited to 'src/pure')
| -rw-r--r-- | src/pure/application.rs | 195 | ||||
| -rw-r--r-- | src/pure/sandbox.rs | 123 | ||||
| -rw-r--r-- | src/pure/widget.rs | 174 |
3 files changed, 0 insertions, 492 deletions
diff --git a/src/pure/application.rs b/src/pure/application.rs deleted file mode 100644 index 396854ad..00000000 --- a/src/pure/application.rs +++ /dev/null @@ -1,195 +0,0 @@ -//! Build interactive cross-platform applications. -use crate::pure::{self, Pure}; -use crate::window; -use crate::{Command, Executor, Settings, Subscription}; - -pub use iced_native::application::StyleSheet; - -/// A pure version of [`Application`]. -/// -/// Unlike the impure version, the `view` method of this trait takes an -/// immutable reference to `self` and returns a pure [`Element`]. -/// -/// [`Application`]: crate::Application -/// [`Element`]: pure::Element -pub trait Application: Sized { - /// The [`Executor`] that will run commands and subscriptions. - /// - /// The [default executor] can be a good starting point! - /// - /// [`Executor`]: Self::Executor - /// [default executor]: crate::executor::Default - type Executor: Executor; - - /// The type of __messages__ your [`Application`] will produce. - type Message: std::fmt::Debug + Send; - - /// The theme of your [`Application`]. - type Theme: Default + StyleSheet; - - /// The data needed to initialize your [`Application`]. - type Flags; - - /// Initializes the [`Application`] with the flags provided to - /// [`run`] as part of the [`Settings`]. - /// - /// Here is where you should return the initial state of your app. - /// - /// Additionally, you can return a [`Command`] if you need to perform some - /// async action in the background on startup. This is useful if you want to - /// load state from a file, perform an initial HTTP request, etc. - /// - /// [`run`]: Self::run - fn new(flags: Self::Flags) -> (Self, Command<Self::Message>); - - /// Returns the current title of the [`Application`]. - /// - /// This title can be dynamic! The runtime will automatically update the - /// title of your application when necessary. - fn title(&self) -> String; - - /// Handles a __message__ and updates the state of the [`Application`]. - /// - /// This is where you define your __update logic__. All the __messages__, - /// produced by either user interactions or commands, will be handled by - /// this method. - /// - /// Any [`Command`] returned will be executed immediately in the background. - fn update(&mut self, message: Self::Message) -> Command<Self::Message>; - - /// Returns the widgets to display in the [`Application`]. - /// - /// These widgets can produce __messages__ based on user interaction. - fn view( - &self, - ) -> pure::Element<'_, Self::Message, crate::Renderer<Self::Theme>>; - - /// Returns the current [`Theme`] of the [`Application`]. - fn theme(&self) -> Self::Theme { - Self::Theme::default() - } - - /// Returns the event [`Subscription`] for the current state of the - /// application. - /// - /// A [`Subscription`] will be kept alive as long as you keep returning it, - /// and the __messages__ produced will be handled by - /// [`update`](#tymethod.update). - /// - /// By default, this method returns an empty [`Subscription`]. - fn subscription(&self) -> Subscription<Self::Message> { - Subscription::none() - } - - /// Returns the current [`Application`] mode. - /// - /// The runtime will automatically transition your application if a new mode - /// is returned. - /// - /// Currently, the mode only has an effect in native platforms. - /// - /// By default, an application will run in windowed mode. - fn mode(&self) -> window::Mode { - window::Mode::Windowed - } - - /// Returns the scale factor of the [`Application`]. - /// - /// It can be used to dynamically control the size of the UI at runtime - /// (i.e. zooming). - /// - /// For instance, a scale factor of `2.0` will make widgets twice as big, - /// while a scale factor of `0.5` will shrink them to half their size. - /// - /// By default, it returns `1.0`. - fn scale_factor(&self) -> f64 { - 1.0 - } - - /// Returns whether the [`Application`] should be terminated. - /// - /// By default, it returns `false`. - fn should_exit(&self) -> bool { - false - } - - /// Runs the [`Application`]. - /// - /// On native platforms, this method will take control of the current thread - /// until the [`Application`] exits. - /// - /// On the web platform, this method __will NOT return__ unless there is an - /// [`Error`] during startup. - /// - /// [`Error`]: crate::Error - fn run(settings: Settings<Self::Flags>) -> crate::Result - where - Self: 'static, - { - <Instance<Self> as crate::Application>::run(settings) - } -} - -struct Instance<A: Application> { - application: A, - state: pure::State, -} - -impl<A> crate::Application for Instance<A> -where - A: Application, - A::Message: 'static, -{ - type Executor = A::Executor; - type Message = A::Message; - type Flags = A::Flags; - type Theme = A::Theme; - - fn new(flags: Self::Flags) -> (Self, Command<Self::Message>) { - let (application, command) = A::new(flags); - - ( - Instance { - application, - state: pure::State::new(), - }, - command, - ) - } - - fn title(&self) -> String { - A::title(&self.application) - } - - fn update(&mut self, message: Self::Message) -> Command<Self::Message> { - A::update(&mut self.application, message) - } - - fn subscription(&self) -> Subscription<Self::Message> { - A::subscription(&self.application) - } - - fn view( - &mut self, - ) -> crate::Element<'_, Self::Message, crate::Renderer<Self::Theme>> { - let content = A::view(&self.application); - - Pure::new(&mut self.state, content).into() - } - - fn theme(&self) -> Self::Theme { - A::theme(&self.application) - } - - fn mode(&self) -> window::Mode { - A::mode(&self.application) - } - - fn scale_factor(&self) -> f64 { - A::scale_factor(&self.application) - } - - fn should_exit(&self) -> bool { - A::should_exit(&self.application) - } -} diff --git a/src/pure/sandbox.rs b/src/pure/sandbox.rs deleted file mode 100644 index a58cace7..00000000 --- a/src/pure/sandbox.rs +++ /dev/null @@ -1,123 +0,0 @@ -use crate::pure; -use crate::{Command, Error, Settings, Subscription, Theme}; - -/// A pure version of [`Sandbox`]. -/// -/// Unlike the impure version, the `view` method of this trait takes an -/// immutable reference to `self` and returns a pure [`Element`]. -/// -/// [`Sandbox`]: crate::Sandbox -/// [`Element`]: pure::Element -pub trait Sandbox { - /// The type of __messages__ your [`Sandbox`] will produce. - type Message: std::fmt::Debug + Send; - - /// Initializes the [`Sandbox`]. - /// - /// Here is where you should return the initial state of your app. - fn new() -> Self; - - /// Returns the current title of the [`Sandbox`]. - /// - /// This title can be dynamic! The runtime will automatically update the - /// title of your application when necessary. - fn title(&self) -> String; - - /// Handles a __message__ and updates the state of the [`Sandbox`]. - /// - /// This is where you define your __update logic__. All the __messages__, - /// produced by user interactions, will be handled by this method. - fn update(&mut self, message: Self::Message); - - /// Returns the widgets to display in the [`Sandbox`]. - /// - /// These widgets can produce __messages__ based on user interaction. - fn view(&self) -> pure::Element<'_, Self::Message>; - - /// Returns the current [`Theme`] of the [`Sandbox`]. - /// - /// If you want to use your own custom theme type, you will have to use an - /// [`Application`]. - /// - /// By default, it returns [`Theme::default`]. - fn theme(&self) -> Theme { - Theme::default() - } - - /// Returns the scale factor of the [`Sandbox`]. - /// - /// It can be used to dynamically control the size of the UI at runtime - /// (i.e. zooming). - /// - /// For instance, a scale factor of `2.0` will make widgets twice as big, - /// while a scale factor of `0.5` will shrink them to half their size. - /// - /// By default, it returns `1.0`. - fn scale_factor(&self) -> f64 { - 1.0 - } - - /// Returns whether the [`Sandbox`] should be terminated. - /// - /// By default, it returns `false`. - fn should_exit(&self) -> bool { - false - } - - /// Runs the [`Sandbox`]. - /// - /// On native platforms, this method will take control of the current thread - /// and __will NOT return__. - /// - /// It should probably be that last thing you call in your `main` function. - fn run(settings: Settings<()>) -> Result<(), Error> - where - Self: 'static + Sized, - { - <Self as pure::Application>::run(settings) - } -} - -impl<T> pure::Application for T -where - T: Sandbox, -{ - type Executor = iced_futures::backend::null::Executor; - type Flags = (); - type Message = T::Message; - type Theme = Theme; - - fn new(_flags: ()) -> (Self, Command<T::Message>) { - (T::new(), Command::none()) - } - - fn title(&self) -> String { - T::title(self) - } - - fn update(&mut self, message: T::Message) -> Command<T::Message> { - T::update(self, message); - - Command::none() - } - - fn view(&self) -> pure::Element<'_, T::Message> { - T::view(self) - } - - fn theme(&self) -> Self::Theme { - T::theme(self) - } - - fn subscription(&self) -> Subscription<T::Message> { - Subscription::none() - } - - fn scale_factor(&self) -> f64 { - T::scale_factor(self) - } - - fn should_exit(&self) -> bool { - T::should_exit(self) - } -} diff --git a/src/pure/widget.rs b/src/pure/widget.rs deleted file mode 100644 index 336f498f..00000000 --- a/src/pure/widget.rs +++ /dev/null @@ -1,174 +0,0 @@ -//! Pure versions of the widgets. - -/// A container that distributes its contents vertically. -pub type Column<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::Column<'a, Message, Renderer>; - -/// A container that distributes its contents horizontally. -pub type Row<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::Row<'a, Message, Renderer>; - -/// A paragraph of text. -pub type Text<Renderer = crate::Renderer> = iced_pure::widget::Text<Renderer>; - -pub mod button { - //! Allow your users to perform actions by pressing a button. - pub use iced_pure::widget::button::{Appearance, StyleSheet}; - - /// A widget that produces a message when clicked. - pub type Button<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::Button<'a, Message, Renderer>; -} - -pub mod checkbox { - //! Show toggle controls using checkboxes. - pub use iced_pure::widget::checkbox::{Appearance, StyleSheet}; - - /// A box that can be checked. - pub type Checkbox<'a, Message, Renderer = crate::Renderer> = - iced_native::widget::Checkbox<'a, Message, Renderer>; -} - -pub mod container { - //! Decorate content and apply alignment. - pub use iced_pure::widget::container::{Appearance, StyleSheet}; - - /// An element decorating some content. - pub type Container<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::Container<'a, Message, Renderer>; -} - -pub mod pane_grid { - //! Let your users split regions of your application and organize layout dynamically. - //! - //! [](https://gfycat.com/mixedflatjellyfish) - //! - //! # Example - //! The [`pane_grid` example] showcases how to use a [`PaneGrid`] with resizing, - //! drag and drop, and hotkey support. - //! - //! [`pane_grid` example]: https://github.com/iced-rs/iced/tree/0.4/examples/pane_grid - pub use iced_pure::widget::pane_grid::{ - Axis, Configuration, Direction, DragEvent, Line, Node, Pane, - ResizeEvent, Split, State, StyleSheet, - }; - - /// A collection of panes distributed using either vertical or horizontal splits - /// to completely fill the space available. - /// - /// [](https://gfycat.com/mixedflatjellyfish) - pub type PaneGrid<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::PaneGrid<'a, Message, Renderer>; - - /// The content of a [`Pane`]. - pub type Content<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::pane_grid::Content<'a, Message, Renderer>; - - /// The title bar of a [`Pane`]. - pub type TitleBar<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::pane_grid::TitleBar<'a, Message, Renderer>; -} - -pub mod pick_list { - //! Display a dropdown list of selectable values. - pub use iced_pure::widget::pick_list::{Appearance, StyleSheet}; - - /// A widget allowing the selection of a single value from a list of options. - pub type PickList<'a, T, Message, Renderer = crate::Renderer> = - iced_pure::widget::PickList<'a, T, Message, Renderer>; -} - -pub mod radio { - //! Create choices using radio buttons. - pub use iced_pure::widget::radio::{Appearance, StyleSheet}; - - /// A circular button representing a choice. - pub type Radio<Message, Renderer = crate::Renderer> = - iced_pure::widget::Radio<Message, Renderer>; -} - -pub mod scrollable { - //! Navigate an endless amount of content with a scrollbar. - pub use iced_pure::widget::scrollable::{Scrollbar, Scroller, StyleSheet}; - - /// A widget that can vertically display an infinite amount of content - /// with a scrollbar. - pub type Scrollable<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::Scrollable<'a, Message, Renderer>; -} - -pub mod toggler { - //! Show toggle controls using togglers. - pub use iced_pure::widget::toggler::{Appearance, StyleSheet}; - - /// A toggler widget. - pub type Toggler<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::Toggler<'a, Message, Renderer>; -} - -pub mod text_input { - //! Display fields that can be filled with text. - pub use iced_pure::widget::text_input::{Appearance, StyleSheet}; - - /// A field that can be filled with text. - pub type TextInput<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::TextInput<'a, Message, Renderer>; -} - -pub mod tooltip { - //! Display a widget over another. - pub use iced_pure::widget::tooltip::Position; - - /// A widget allowing the selection of a single value from a list of options. - pub type Tooltip<'a, Message, Renderer = crate::Renderer> = - iced_pure::widget::Tooltip<'a, Message, Renderer>; -} - -pub use iced_pure::widget::progress_bar; -pub use iced_pure::widget::rule; -pub use iced_pure::widget::slider; -pub use iced_pure::widget::Space; - -pub use button::Button; -pub use checkbox::Checkbox; -pub use container::Container; -pub use pane_grid::PaneGrid; -pub use pick_list::PickList; -pub use progress_bar::ProgressBar; -pub use radio::Radio; -pub use rule::Rule; -pub use scrollable::Scrollable; -pub use slider::Slider; -pub use text_input::TextInput; -pub use toggler::Toggler; -pub use tooltip::Tooltip; - -#[cfg(feature = "canvas")] -pub use iced_graphics::widget::pure::canvas; - -#[cfg(feature = "qr_code")] -pub use iced_graphics::widget::pure::qr_code; - -#[cfg(feature = "image")] -pub mod image { - //! Display images in your user interface. - pub use iced_native::image::Handle; - - /// A frame that displays an image. - pub type Image = iced_pure::widget::Image<Handle>; -} - -#[cfg(feature = "svg")] -pub use iced_pure::widget::svg; - -#[cfg(feature = "canvas")] -pub use canvas::Canvas; - -#[cfg(feature = "qr_code")] -pub use qr_code::QRCode; - -#[cfg(feature = "image")] -pub use image::Image; - -#[cfg(feature = "svg")] -pub use svg::Svg; |