diff options
Diffstat (limited to '')
| -rw-r--r-- | winit/src/application.rs | 39 | ||||
| -rw-r--r-- | winit/src/application/state.rs | 40 | 
2 files changed, 64 insertions, 15 deletions
diff --git a/winit/src/application.rs b/winit/src/application.rs index c7905c60..9c7dd74e 100644 --- a/winit/src/application.rs +++ b/winit/src/application.rs @@ -6,6 +6,7 @@ pub use state::State;  use crate::clipboard::{self, Clipboard};  use crate::conversion;  use crate::mouse; +use crate::renderer;  use crate::{      Command, Debug, Error, Executor, Mode, Proxy, Runtime, Settings, Size,      Subscription, @@ -18,7 +19,7 @@ use iced_graphics::window;  use iced_native::program::Program;  use iced_native::user_interface::{self, UserInterface}; -pub use iced_native::application::StyleSheet; +pub use iced_native::application::{Appearance, StyleSheet};  use std::mem::ManuallyDrop; @@ -33,7 +34,10 @@ use std::mem::ManuallyDrop;  ///  /// When using an [`Application`] with the `debug` feature enabled, a debug view  /// can be toggled by pressing `F12`. -pub trait Application: Program { +pub trait Application: Program +where +    <Self::Renderer as crate::Renderer>::Theme: StyleSheet, +{      /// The data needed to initialize your [`Application`].      type Flags; @@ -54,7 +58,14 @@ pub trait Application: Program {      fn title(&self) -> String;      /// Returns the current [`Theme`] of the [`Application`]. -    fn theme(&self) -> <Self::Renderer as iced_native::Renderer>::Theme; +    fn theme(&self) -> <Self::Renderer as crate::Renderer>::Theme; + +    /// Returns the [`Style`] variation of the [`Theme`]. +    fn style( +        &self, +    ) -> <<Self::Renderer as crate::Renderer>::Theme as StyleSheet>::Style { +        Default::default() +    }      /// Returns the event `Subscription` for the current state of the      /// application. @@ -110,7 +121,7 @@ where      A: Application + 'static,      E: Executor + 'static,      C: window::Compositor<Renderer = A::Renderer> + 'static, -    <A::Renderer as iced_native::Renderer>::Theme: StyleSheet, +    <A::Renderer as crate::Renderer>::Theme: StyleSheet,  {      use futures::task;      use futures::Future; @@ -246,7 +257,7 @@ async fn run_instance<A, E, C>(      A: Application + 'static,      E: Executor + 'static,      C: window::Compositor<Renderer = A::Renderer> + 'static, -    <A::Renderer as iced_native::Renderer>::Theme: StyleSheet, +    <A::Renderer as crate::Renderer>::Theme: StyleSheet,  {      use iced_futures::futures::stream::StreamExt;      use winit::event; @@ -255,7 +266,6 @@ async fn run_instance<A, E, C>(      let mut state = State::new(&application, &window);      let mut viewport_version = state.viewport_version(); -    let mut theme = application.theme();      let physical_size = state.physical_size(); @@ -328,7 +338,6 @@ async fn run_instance<A, E, C>(                      let should_exit = application.should_exit(); -                    theme = application.theme();                      user_interface = ManuallyDrop::new(build_user_interface(                          &mut application,                          cache, @@ -345,7 +354,10 @@ async fn run_instance<A, E, C>(                  debug.draw_started();                  let new_mouse_interaction = user_interface.draw(                      &mut renderer, -                    &theme, +                    state.theme(), +                    &renderer::Style { +                        text_color: state.text_color(), +                    },                      state.cursor_position(),                  );                  debug.draw_finished(); @@ -396,7 +408,10 @@ async fn run_instance<A, E, C>(                      debug.draw_started();                      let new_mouse_interaction = user_interface.draw(                          &mut renderer, -                        &theme, +                        state.theme(), +                        &renderer::Style { +                            text_color: state.text_color(), +                        },                          state.cursor_position(),                      ); @@ -422,7 +437,7 @@ async fn run_instance<A, E, C>(                      &mut renderer,                      &mut surface,                      state.viewport(), -                    theme.background_color(), +                    state.background_color(),                      &debug.overlay(),                  ) {                      Ok(()) => { @@ -531,7 +546,9 @@ pub fn update<A: Application, E: Executor>(      messages: &mut Vec<A::Message>,      window: &winit::window::Window,      graphics_info: impl FnOnce() -> compositor::Information + Copy, -) { +) where +    <A::Renderer as crate::Renderer>::Theme: StyleSheet, +{      for message in messages.drain(..) {          debug.log_message(&message); diff --git a/winit/src/application/state.rs b/winit/src/application/state.rs index 34a9b10e..6b843919 100644 --- a/winit/src/application/state.rs +++ b/winit/src/application/state.rs @@ -1,13 +1,17 @@ +use crate::application::{self, StyleSheet as _};  use crate::conversion; -use crate::{Application, Debug, Mode, Point, Size, Viewport}; +use crate::{Application, Color, Debug, Mode, Point, Size, Viewport};  use std::marker::PhantomData;  use winit::event::{Touch, WindowEvent};  use winit::window::Window;  /// The state of a windowed [`Application`]. -#[derive(Debug, Clone)] -pub struct State<A: Application> { +#[allow(missing_debug_implementations)] +pub struct State<A: Application> +where +    <A::Renderer as crate::Renderer>::Theme: application::StyleSheet, +{      title: String,      mode: Mode,      scale_factor: f64, @@ -15,15 +19,22 @@ pub struct State<A: Application> {      viewport_version: usize,      cursor_position: winit::dpi::PhysicalPosition<f64>,      modifiers: winit::event::ModifiersState, +    theme: <A::Renderer as crate::Renderer>::Theme, +    appearance: application::Appearance,      application: PhantomData<A>,  } -impl<A: Application> State<A> { +impl<A: Application> State<A> +where +    <A::Renderer as crate::Renderer>::Theme: application::StyleSheet, +{      /// Creates a new [`State`] for the provided [`Application`] and window.      pub fn new(application: &A, window: &Window) -> Self {          let title = application.title();          let mode = application.mode();          let scale_factor = application.scale_factor(); +        let theme = application.theme(); +        let appearance = theme.appearance(application.style());          let viewport = {              let physical_size = window.inner_size(); @@ -43,6 +54,8 @@ impl<A: Application> State<A> {              // TODO: Encode cursor availability in the type-system              cursor_position: winit::dpi::PhysicalPosition::new(-1.0, -1.0),              modifiers: winit::event::ModifiersState::default(), +            theme, +            appearance,              application: PhantomData,          }      } @@ -87,6 +100,21 @@ impl<A: Application> State<A> {          self.modifiers      } +    /// Returns the current theme of the [`State`]. +    pub fn theme(&self) -> &<A::Renderer as crate::Renderer>::Theme { +        &self.theme +    } + +    /// Returns the current background [`Color`] of the [`State`]. +    pub fn background_color(&self) -> Color { +        self.appearance.background_color +    } + +    /// Returns the current text [`Color`] of the [`State`]. +    pub fn text_color(&self) -> Color { +        self.appearance.text_color +    } +      /// Processes the provided window event and updates the [`State`]      /// accordingly.      pub fn update( @@ -192,5 +220,9 @@ impl<A: Application> State<A> {              self.scale_factor = new_scale_factor;          } + +        // Update theme and appearance +        self.theme = application.theme(); +        self.appearance = self.theme.appearance(application.style());      }  }  | 
