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Merge branch 'master' into emilk/wgpu-0.20
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emilk committed May 29, 2024
2 parents 3dca4c6 + 942fe4a commit 59b118b
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Showing 28 changed files with 44 additions and 36 deletions.
4 changes: 3 additions & 1 deletion crates/eframe/src/epi.rs
Original file line number Diff line number Diff line change
Expand Up @@ -41,10 +41,12 @@ pub type EventLoopBuilderHook = Box<dyn FnOnce(&mut EventLoopBuilder<UserEvent>)
#[cfg(any(feature = "glow", feature = "wgpu"))]
pub type WindowBuilderHook = Box<dyn FnOnce(egui::ViewportBuilder) -> egui::ViewportBuilder>;

type DynError = Box<dyn std::error::Error>;

/// This is how your app is created.
///
/// You can use the [`CreationContext`] to setup egui, restore state, setup OpenGL things, etc.
pub type AppCreator = Box<dyn FnOnce(&CreationContext<'_>) -> Box<dyn App>>;
pub type AppCreator = Box<dyn FnOnce(&CreationContext<'_>) -> Result<Box<dyn App>, DynError>>;

/// Data that is passed to [`AppCreator`] that can be used to setup and initialize your app.
pub struct CreationContext<'s> {
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13 changes: 9 additions & 4 deletions crates/eframe/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@
//!
//! fn main() {
//! let native_options = eframe::NativeOptions::default();
//! eframe::run_native("My egui App", native_options, Box::new(|cc| Box::new(MyEguiApp::new(cc))));
//! eframe::run_native("My egui App", native_options, Box::new(|cc| Ok(Box::new(MyEguiApp::new(cc)))));
//! }
//!
//! #[derive(Default)]
Expand Down Expand Up @@ -90,7 +90,7 @@
//! .start(
//! canvas_id,
//! eframe::WebOptions::default(),
//! Box::new(|cc| Box::new(MyEguiApp::new(cc))),
//! Box::new(|cc| Ok(Box::new(MyEguiApp::new(cc))),)
//! )
//! .await
//! }
Expand Down Expand Up @@ -199,7 +199,7 @@ pub mod icon_data;
///
/// fn main() -> eframe::Result<()> {
/// let native_options = eframe::NativeOptions::default();
/// eframe::run_native("MyApp", native_options, Box::new(|cc| Box::new(MyEguiApp::new(cc))))
/// eframe::run_native("MyApp", native_options, Box::new(|cc| Ok(Box::new(MyEguiApp::new(cc)))))
/// }
///
/// #[derive(Default)]
Expand Down Expand Up @@ -324,7 +324,7 @@ pub fn run_simple_native(
run_native(
app_name,
native_options,
Box::new(|_cc| Box::new(SimpleApp { update_fun })),
Box::new(|_cc| Ok(Box::new(SimpleApp { update_fun }))),
)
}

Expand All @@ -333,6 +333,9 @@ pub fn run_simple_native(
/// The different problems that can occur when trying to run `eframe`.
#[derive(Debug)]
pub enum Error {
/// Something went wrong in user code when creating the app.
AppCreation(Box<dyn std::error::Error>),

/// An error from [`winit`].
#[cfg(not(target_arch = "wasm32"))]
Winit(winit::error::OsError),
Expand Down Expand Up @@ -403,6 +406,8 @@ impl From<egui_wgpu::WgpuError> for Error {
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::AppCreation(err) => write!(f, "app creation error: {err}"),

#[cfg(not(target_arch = "wasm32"))]
Self::Winit(err) => {
write!(f, "winit error: {err}")
Expand Down
2 changes: 1 addition & 1 deletion crates/eframe/src/native/glow_integration.rs
Original file line number Diff line number Diff line change
Expand Up @@ -313,7 +313,7 @@ impl GlowWinitApp {
raw_window_handle: window.window_handle().map(|h| h.as_raw()),
};
crate::profile_scope!("app_creator");
app_creator(&cc)
app_creator(&cc).map_err(crate::Error::AppCreation)?
};

let glutin = Rc::new(RefCell::new(glutin));
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4 changes: 2 additions & 2 deletions crates/eframe/src/native/wgpu_integration.rs
Original file line number Diff line number Diff line change
Expand Up @@ -182,7 +182,7 @@ impl WgpuWinitApp {
storage: Option<Box<dyn Storage>>,
window: Window,
builder: ViewportBuilder,
) -> Result<&mut WgpuWinitRunning, egui_wgpu::WgpuError> {
) -> crate::Result<&mut WgpuWinitRunning> {
crate::profile_function!();

#[allow(unsafe_code, unused_mut, unused_unsafe)]
Expand Down Expand Up @@ -272,7 +272,7 @@ impl WgpuWinitApp {
};
let app = {
crate::profile_scope!("user_app_creator");
app_creator(&cc)
app_creator(&cc).map_err(crate::Error::AppCreation)?
};

let mut viewport_from_window = HashMap::default();
Expand Down
7 changes: 4 additions & 3 deletions crates/eframe/src/web/app_runner.rs
Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ impl Drop for AppRunner {

impl AppRunner {
/// # Errors
/// Failure to initialize WebGL renderer.
/// Failure to initialize WebGL renderer, or failure to create app.
pub async fn new(
canvas_id: &str,
web_options: crate::WebOptions,
Expand Down Expand Up @@ -71,7 +71,7 @@ impl AppRunner {
let theme = system_theme.unwrap_or(web_options.default_theme);
egui_ctx.set_visuals(theme.egui_visuals());

let app = app_creator(&epi::CreationContext {
let cc = epi::CreationContext {
egui_ctx: egui_ctx.clone(),
integration_info: info.clone(),
storage: Some(&storage),
Expand All @@ -86,7 +86,8 @@ impl AppRunner {
wgpu_render_state: painter.render_state(),
#[cfg(all(feature = "wgpu", feature = "glow"))]
wgpu_render_state: None,
});
};
let app = app_creator(&cc).map_err(|err| err.to_string())?;

let frame = epi::Frame {
info,
Expand Down
2 changes: 1 addition & 1 deletion crates/eframe/src/web/web_runner.rs
Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ impl WebRunner {
/// Create the application, install callbacks, and start running the app.
///
/// # Errors
/// Failing to initialize graphics.
/// Failing to initialize graphics, or failure to create app.
pub async fn start(
&self,
canvas_id: &str,
Expand Down
2 changes: 1 addition & 1 deletion crates/egui_demo_app/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"egui demo app",
options,
Box::new(|cc| Box::new(egui_demo_app::WrapApp::new(cc))),
Box::new(|cc| Ok(Box::new(egui_demo_app::WrapApp::new(cc)))),
)
}

Expand Down
2 changes: 1 addition & 1 deletion crates/egui_demo_app/src/web.rs
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ impl WebHandle {
.start(
canvas_id,
eframe::WebOptions::default(),
Box::new(|cc| Box::new(WrapApp::new(cc))),
Box::new(|cc| Ok(Box::new(WrapApp::new(cc)))),
)
.await
}
Expand Down
2 changes: 1 addition & 1 deletion examples/confirm_exit/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Confirm exit",
options,
Box::new(|_cc| Box::<MyApp>::default()),
Box::new(|_cc| Ok(Box::<MyApp>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/custom_3d_glow/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Custom 3D painting in eframe using glow",
options,
Box::new(|cc| Box::new(MyApp::new(cc))),
Box::new(|cc| Ok(Box::new(MyApp::new(cc)))),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/custom_font/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"egui example: custom font",
options,
Box::new(|cc| Box::new(MyApp::new(cc))),
Box::new(|cc| Ok(Box::new(MyApp::new(cc)))),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/custom_font_style/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"egui example: global font style",
options,
Box::new(|cc| Box::new(MyApp::new(cc))),
Box::new(|cc| Ok(Box::new(MyApp::new(cc)))),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/custom_keypad/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ fn main() -> Result<(), eframe::Error> {
// This gives us image support:
egui_extras::install_image_loaders(&cc.egui_ctx);

Box::<MyApp>::default()
Ok(Box::<MyApp>::default())
}),
)
}
Expand Down
2 changes: 1 addition & 1 deletion examples/custom_plot_manipulation/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Plot",
options,
Box::new(|_cc| Box::<PlotExample>::default()),
Box::new(|_cc| Ok(Box::<PlotExample>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/custom_window_frame/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Custom window frame", // unused title
options,
Box::new(|_cc| Box::<MyApp>::default()),
Box::new(|_cc| Ok(Box::<MyApp>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/file_dialog/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Native file dialogs and drag-and-drop files",
options,
Box::new(|_cc| Box::<MyApp>::default()),
Box::new(|_cc| Ok(Box::<MyApp>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/hello_world/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ fn main() -> Result<(), eframe::Error> {
// This gives us image support:
egui_extras::install_image_loaders(&cc.egui_ctx);

Box::<MyApp>::default()
Ok(Box::<MyApp>::default())
}),
)
}
Expand Down
2 changes: 1 addition & 1 deletion examples/hello_world_par/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"My parallel egui App",
options,
Box::new(|_cc| Box::new(MyApp::new())),
Box::new(|_cc| Ok(Box::new(MyApp::new()))),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/images/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ fn main() -> Result<(), eframe::Error> {
Box::new(|cc| {
// This gives us image support:
egui_extras::install_image_loaders(&cc.egui_ctx);
Box::<MyApp>::default()
Ok(Box::<MyApp>::default())
}),
)
}
Expand Down
2 changes: 1 addition & 1 deletion examples/keyboard_events/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Keyboard events",
options,
Box::new(|_cc| Box::<Content>::default()),
Box::new(|_cc| Ok(Box::<Content>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/multiple_viewports/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Multiple viewports",
options,
Box::new(|_cc| Box::<MyApp>::default()),
Box::new(|_cc| Ok(Box::<MyApp>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/puffin_profiler/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ fn main() -> Result<(), eframe::Error> {

..Default::default()
},
Box::new(|_cc| Box::<MyApp>::default()),
Box::new(|_cc| Ok(Box::<MyApp>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/save_plot/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"My egui App with a plot",
options,
Box::new(|_cc| Box::<MyApp>::default()),
Box::new(|_cc| Ok(Box::<MyApp>::default())),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/screenshot/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Take screenshots and display with eframe/egui",
options,
Box::new(|_cc| Box::<MyApp>::default()),
Box::new(|_cc| Ok(Box::<MyApp>::default())),
)
}

Expand Down
6 changes: 3 additions & 3 deletions examples/serial_windows/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"First Window",
options.clone(),
Box::new(|_cc| Box::new(MyApp { has_next: true })),
Box::new(|_cc| Ok(Box::new(MyApp { has_next: true }))),
)?;

std::thread::sleep(std::time::Duration::from_secs(2));
Expand All @@ -32,7 +32,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Second Window",
options.clone(),
Box::new(|_cc| Box::new(MyApp { has_next: true })),
Box::new(|_cc| Ok(Box::new(MyApp { has_next: true }))),
)?;

std::thread::sleep(std::time::Duration::from_secs(2));
Expand All @@ -41,7 +41,7 @@ fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"Third Window",
options,
Box::new(|_cc| Box::new(MyApp { has_next: false })),
Box::new(|_cc| Ok(Box::new(MyApp { has_next: false }))),
)
}

Expand Down
2 changes: 1 addition & 1 deletion examples/user_attention/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ fn main() -> eframe::Result<()> {
eframe::run_native(
"User attention test",
native_options,
Box::new(|cc| Box::new(Application::new(cc))),
Box::new(|cc| Ok(Box::new(Application::new(cc)))),
)
}

Expand Down
2 changes: 1 addition & 1 deletion tests/test_inline_glow_paint/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
eframe::run_native(
"My test app",
options,
Box::new(|_cc| Box::<MyTestApp>::default()),
Box::new(|_cc| Ok(Box::<MyTestApp>::default())),
)?;
Ok(())
}
Expand Down
2 changes: 1 addition & 1 deletion tests/test_viewports/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ fn main() {

..Default::default()
},
Box::new(|_| Box::<App>::default()),
Box::new(|_cc| Ok(Box::<App>::default())),
);
}

Expand Down

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