Merge branch 'master' into ios_fixes

CHANGELOG.md

@@ -6,9 +6,55 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
-- `"system_font"` feature gates reading system fonts. [#370]
+- Support for the [`smol`] async runtime. [#699]
+
+[#699]: https://github.com/hecrj/iced/pull/699
+[`smol`]: https://github.com/smol-rs/smol
+
+## [0.2.0] - 2020-11-26
+### Added
+- __[`Canvas` interactivity][canvas]__ (#325)  
+  A trait-based approach to react to mouse and keyboard interactions in [the `Canvas` widget][#193].
+
+- __[`iced_graphics` subcrate][opengl]__ (#354)  
+  A backend-agnostic graphics subcrate that can be leveraged to build new renderers.
+
+- __[OpenGL renderer][opengl]__ (#354)  
+  An OpenGL renderer powered by [`iced_graphics`], [`glow`], and [`glutin`]. It is an alternative to the default [`wgpu`] renderer.
+
+- __[Overlay support][pick_list]__ (#444)  
+  Basic support for superpositioning interactive widgets on top of other widgets.
+
+- __[Faster event loop][view]__ (#597)  
+  The event loop now takes advantage of the data dependencies in [The Elm Architecture] and leverages the borrow checker to keep the widget tree alive between iterations, avoiding unnecessary rebuilds.
+
+- __[Event capturing][event]__ (#614)  
+  The runtime now can tell whether a widget has handled an event or not, easing [integration with existing applications].
+
+- __[`PickList` widget][pick_list]__ (#444)  
+  A drop-down selector widget built on top of the new overlay support.
+
+- __[`QRCode` widget][qr_code]__ (#622)  
+  A widget that displays a QR code, powered by [the `qrcode` crate].
+
+[canvas]: https://github.com/hecrj/iced/pull/325
+[opengl]: https://github.com/hecrj/iced/pull/354
+[`iced_graphics`]: https://github.com/hecrj/iced/pull/354
+[pane_grid]: https://github.com/hecrj/iced/pull/397
+[pick_list]: https://github.com/hecrj/iced/pull/444
+[error]: https://github.com/hecrj/iced/pull/514
+[view]: https://github.com/hecrj/iced/pull/597
+[event]: https://github.com/hecrj/iced/pull/614
+[color]: https://github.com/hecrj/iced/pull/200
+[qr_code]: https://github.com/hecrj/iced/pull/622
+[#193]: https://github.com/hecrj/iced/pull/193
+[`glutin`]: https://github.com/rust-windowing/glutin
+[`wgpu`]: https://github.com/gfx-rs/wgpu-rs
+[`glow`]: https://github.com/grovesNL/glow
+[the `qrcode` crate]: https://docs.rs/qrcode/0.12.0/qrcode/
+[integration with existing applications]: https://github.com/hecrj/iced/pull/183
+[The Elm Architecture]: https://guide.elm-lang.org/architecture/
 
-[#370]: https://github.com/hecrj/iced/pull/370
 
 ## [0.1.1] - 2020-04-15
 ### Added
@@ -114,7 +160,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - First release! :tada:
 
-[Unreleased]: https://github.com/hecrj/iced/compare/0.1.1...HEAD
+[Unreleased]: https://github.com/hecrj/iced/compare/0.2.0...HEAD
+[0.2.0]: https://github.com/hecrj/iced/compare/0.1.1...0.2.0
 [0.1.1]: https://github.com/hecrj/iced/compare/0.1.0...0.1.1
 [0.1.0]: https://github.com/hecrj/iced/compare/0.1.0-beta...0.1.0
 [0.1.0-beta]: https://github.com/hecrj/iced/compare/0.1.0-alpha...0.1.0-beta

Cargo.toml

@@ -41,6 +41,8 @@ tokio = ["iced_futures/tokio"]
 tokio_old = ["iced_futures/tokio_old"]
 # Enables `async-std` as the `executor::Default` on native platforms
 async-std = ["iced_futures/async-std"]
+# Enables `smol` as the `executor::Default` on native platforms
+smol = ["iced_futures/smol"]
 # Enables advanced color conversion via `palette`
 palette = ["iced_core/palette"]
 

examples/game_of_life/Cargo.toml

@@ -7,6 +7,6 @@ publish = false
 
 [dependencies]
 iced = { path = "../..", features = ["canvas", "tokio", "debug"] }
-tokio = { version = "0.3", features = ["sync"] }
+tokio = { version = "1.0", features = ["sync"] }
 itertools = "0.9"
 rustc-hash = "1.1"

examples/integration/src/main.rs

@@ -36,7 +36,7 @@ pub fn main() {
     let (mut device, queue) = futures::executor::block_on(async {
         let adapter = instance
             .request_adapter(&wgpu::RequestAdapterOptions {
-                power_preference: wgpu::PowerPreference::Default,
+                power_preference: wgpu::PowerPreference::HighPerformance,
                 compatible_surface: Some(&surface),
             })
             .await
@@ -45,9 +45,9 @@ pub fn main() {
         adapter
             .request_device(
                 &wgpu::DeviceDescriptor {
+                    label: None,
                     features: wgpu::Features::empty(),
                     limits: wgpu::Limits::default(),
-                    shader_validation: false,
                 },
                 None,
             )
@@ -63,7 +63,7 @@ pub fn main() {
         device.create_swap_chain(
             &surface,
             &wgpu::SwapChainDescriptor {
-                usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
+                usage: wgpu::TextureUsage::RENDER_ATTACHMENT,
                 format: format,
                 width: size.width,
                 height: size.height,
@@ -157,7 +157,7 @@ pub fn main() {
                     swap_chain = device.create_swap_chain(
                         &surface,
                         &wgpu::SwapChainDescriptor {
-                            usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
+                            usage: wgpu::TextureUsage::RENDER_ATTACHMENT,
                             format: format,
                             width: size.width,
                             height: size.height,

examples/integration/src/scene.rs

@@ -19,6 +19,7 @@ impl Scene {
         background_color: Color,
     ) -> wgpu::RenderPass<'a> {
         encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
+            label: None,
             color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {
                 attachment: target,
                 resolve_target: None,
@@ -48,10 +49,10 @@ impl Scene {
 
 fn build_pipeline(device: &wgpu::Device) -> wgpu::RenderPipeline {
     let vs_module =
-        device.create_shader_module(wgpu::include_spirv!("shader/vert.spv"));
+        device.create_shader_module(&wgpu::include_spirv!("shader/vert.spv"));
 
     let fs_module =
-        device.create_shader_module(wgpu::include_spirv!("shader/frag.spv"));
+        device.create_shader_module(&wgpu::include_spirv!("shader/frag.spv"));
 
     let pipeline_layout =
         device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
@@ -64,34 +65,33 @@ fn build_pipeline(device: &wgpu::Device) -> wgpu::RenderPipeline {
         device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
             label: None,
             layout: Some(&pipeline_layout),
-            vertex_stage: wgpu::ProgrammableStageDescriptor {
+            vertex: wgpu::VertexState {
                 module: &vs_module,
                 entry_point: "main",
+                buffers: &[],
             },
-            fragment_stage: Some(wgpu::ProgrammableStageDescriptor {
+            fragment: Some(wgpu::FragmentState {
                 module: &fs_module,
                 entry_point: "main",
+                targets: &[wgpu::ColorTargetState {
+                    format: wgpu::TextureFormat::Bgra8UnormSrgb,
+                    color_blend: wgpu::BlendState::REPLACE,
+                    alpha_blend: wgpu::BlendState::REPLACE,
+                    write_mask: wgpu::ColorWrite::ALL,
+                }],
             }),
-            rasterization_state: Some(wgpu::RasterizationStateDescriptor {
+            primitive: wgpu::PrimitiveState {
+                topology: wgpu::PrimitiveTopology::TriangleList,
                 front_face: wgpu::FrontFace::Ccw,
                 cull_mode: wgpu::CullMode::None,
                 ..Default::default()
-            }),
-            primitive_topology: wgpu::PrimitiveTopology::TriangleList,
-            color_states: &[wgpu::ColorStateDescriptor {
-                format: wgpu::TextureFormat::Bgra8UnormSrgb,
-                color_blend: wgpu::BlendDescriptor::REPLACE,
-                alpha_blend: wgpu::BlendDescriptor::REPLACE,
-                write_mask: wgpu::ColorWrite::ALL,
-            }],
-            depth_stencil_state: None,
-            vertex_state: wgpu::VertexStateDescriptor {
-                index_format: wgpu::IndexFormat::Uint16,
-                vertex_buffers: &[],
             },
-            sample_count: 1,
-            sample_mask: !0,
-            alpha_to_coverage_enabled: false,
+            depth_stencil: None,
+            multisample: wgpu::MultisampleState {
+                count: 1,
+                mask: !0,
+                alpha_to_coverage_enabled: false,
+            },
         });
 
     pipeline

examples/pane_grid/src/main.rs

@@ -1,7 +1,7 @@
 use iced::{
     button, executor, keyboard, pane_grid, scrollable, Align, Application,
-    Button, Column, Command, Container, Element, HorizontalAlignment, Length,
-    PaneGrid, Scrollable, Settings, Subscription, Text,
+    Button, Color, Column, Command, Container, Element, HorizontalAlignment,
+    Length, PaneGrid, Row, Scrollable, Settings, Subscription, Text,
 };
 use iced_native::{event, subscription, Event};
 
@@ -141,10 +141,21 @@ impl Application for Example {
         let pane_grid = PaneGrid::new(&mut self.panes, |pane, content| {
             let is_focused = focus == Some(pane);
 
-            let title_bar =
-                pane_grid::TitleBar::new(format!("Pane {}", content.id))
-                    .padding(10)
-                    .style(style::TitleBar { is_focused });
+            let title = Row::with_children(vec![
+                Text::new("Pane").into(),
+                Text::new(content.id.to_string())
+                    .color(if is_focused {
+                        PANE_ID_COLOR_FOCUSED
+                    } else {
+                        PANE_ID_COLOR_UNFOCUSED
+                    })
+                    .into(),
+            ])
+            .spacing(5);
+
+            let title_bar = pane_grid::TitleBar::new(title)
+                .padding(10)
+                .style(style::TitleBar { is_focused });
 
             pane_grid::Content::new(content.view(pane, total_panes))
                 .title_bar(title_bar)
@@ -165,6 +176,17 @@ impl Application for Example {
     }
 }
 
+const PANE_ID_COLOR_UNFOCUSED: Color = Color::from_rgb(
+    0xFF as f32 / 255.0,
+    0xC7 as f32 / 255.0,
+    0xC7 as f32 / 255.0,
+);
+const PANE_ID_COLOR_FOCUSED: Color = Color::from_rgb(
+    0xFF as f32 / 255.0,
+    0x47 as f32 / 255.0,
+    0x47 as f32 / 255.0,
+);
+
 fn handle_hotkey(key_code: keyboard::KeyCode) -> Option<Message> {
     use keyboard::KeyCode;
     use pane_grid::{Axis, Direction};

examples/stopwatch/Cargo.toml

@@ -6,4 +6,4 @@ edition = "2018"
 publish = false
 
 [dependencies]
-iced = { path = "../..", features = ["tokio"] }
+iced = { path = "../..", features = ["smol"] }

examples/todos/src/main.rs

@@ -489,7 +489,6 @@ enum LoadError {
 
 #[derive(Debug, Clone)]
 enum SaveError {
-    DirectoryError,
     FileError,
     WriteError,
     FormatError,
@@ -538,7 +537,7 @@ impl SavedState {
         if let Some(dir) = path.parent() {
             async_std::fs::create_dir_all(dir)
                 .await
-                .map_err(|_| SaveError::DirectoryError)?;
+                .map_err(|_| SaveError::FileError)?;
         }
 
         {

futures/Cargo.toml

@@ -26,15 +26,20 @@ optional = true
 features = ["rt-core", "rt-threaded", "time", "stream"]
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies.tokio]
-version = "0.3"
+package = "tokio"
+version = "1.0"
 optional = true
-features = ["rt-multi-thread", "time", "stream"]
+features = ["rt", "rt-multi-thread", "time"]
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies.async-std]
 version = "1.0"
 optional = true
 features = ["unstable"]
 
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies.smol]
+version = "1.2"
+optional = true
+
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 wasm-bindgen-futures = "0.4"
 

futures/src/executor.rs

@@ -13,6 +13,9 @@ mod tokio_old;
 #[cfg(all(not(target_arch = "wasm32"), feature = "async-std"))]
 mod async_std;
 
+#[cfg(all(not(target_arch = "wasm32"), feature = "smol"))]
+mod smol;
+
 #[cfg(target_arch = "wasm32")]
 mod wasm_bindgen;
 
@@ -30,6 +33,9 @@ pub use self::tokio_old::TokioOld;
 #[cfg(all(not(target_arch = "wasm32"), feature = "async-std"))]
 pub use self::async_std::AsyncStd;
 
+#[cfg(all(not(target_arch = "wasm32"), feature = "smol"))]
+pub use self::smol::Smol;
+
 #[cfg(target_arch = "wasm32")]
 pub use wasm_bindgen::WasmBindgen;
 

futures/src/executor/smol.rs

@@ -0,0 +1,18 @@
+use crate::Executor;
+
+use futures::Future;
+
+/// A `smol` runtime.
+#[cfg_attr(docsrs, doc(cfg(feature = "smol")))]
+#[derive(Debug)]
+pub struct Smol;
+
+impl Executor for Smol {
+    fn new() -> Result<Self, futures::io::Error> {
+        Ok(Self)
+    }
+
+    fn spawn(&self, future: impl Future<Output = ()> + Send + 'static) {
+        smol::spawn(future).detach();
+    }
+}

futures/src/lib.rs

@@ -17,10 +17,22 @@ pub mod executor;
 pub mod subscription;
 
 #[cfg(all(
-    any(feature = "tokio", feature = "tokio_old", feature = "async-std"),
+    any(
+        feature = "tokio",
+        feature = "tokio_old",
+        feature = "async-std",
+        feature = "smol"
+    ),
     not(target_arch = "wasm32")
 ))]
-#[cfg_attr(docsrs, doc(cfg(any(feature = "tokio", feature = "async-std"))))]
+#[cfg_attr(
+    docsrs,
+    doc(cfg(any(
+        feature = "tokio",
+        feature = "async-std",
+        feature = "smol"
+    )))
+)]
 pub mod time;
 
 pub use command::Command;