migrations/egui
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Fix up some examples (#3614)

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This commit is contained in:
Emil Ernerfeldt
2023-11-23 12:58:44 +01:00
committed by GitHub
parent a2b15b23ad
commit 24913ceeba
17 changed files with 123 additions and 82 deletions
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23
examples/confirm_exit/src/main.rs
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@@ -17,33 +17,38 @@ fn main() -> Result<(), eframe::Error> {
#[derive(Default)]
struct MyApp {
allowed_to_close: bool,
show_confirmation_dialog: bool,
allowed_to_close: bool,
}
impl eframe::App for MyApp {
fn on_close_event(&mut self) -> bool {
self.show_confirmation_dialog = true;
self.allowed_to_close
}
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
egui::CentralPanel::default().show(ctx, |ui| {
ui.heading("Try to close the window");
});
if ctx.input(|i| i.viewport().close_requested()) {
if self.allowed_to_close {
// do nothing - we will close
} else {
ctx.send_viewport_cmd(egui::ViewportCommand::CancelClose);
self.show_confirmation_dialog = true;
}
}
if self.show_confirmation_dialog {
// Show confirmation dialog:
egui::Window::new("Do you want to quit?")
.collapsible(false)
.resizable(false)
.show(ctx, |ui| {
ui.horizontal(|ui| {
if ui.button("Cancel").clicked() {
if ui.button("No").clicked() {
self.show_confirmation_dialog = false;
self.allowed_to_close = false;
}
if ui.button("Yes!").clicked() {
if ui.button("Yes").clicked() {
self.show_confirmation_dialog = false;
self.allowed_to_close = true;
ui.ctx().send_viewport_cmd(egui::ViewportCommand::Close);
}

2
examples/file_dialog/src/main.rs
View File

@@ -6,7 +6,7 @@ fn main() -> Result<(), eframe::Error> {
env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
let options = eframe::NativeOptions {
viewport: egui::ViewportBuilder::default()
.with_inner_size([320.0, 240.0])
.with_inner_size([640.0, 240.0]) // wide enough for the drag-drop overlay text
.with_drag_and_drop(true),
..Default::default()
};

4
examples/images/src/main.rs
View File

@@ -26,11 +26,11 @@ impl eframe::App for MyApp {
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
egui::CentralPanel::default().show(ctx, |ui| {
egui::ScrollArea::both().show(ui, |ui| {
ui.image(egui::include_image!("ferris.svg"));
ui.add(
egui::Image::new("https://picsum.photos/seed/1.759706314/1024").rounding(10.0),
);
ui.image(egui::include_image!("ferris.svg"));
});
});
}

31
examples/puffin_profiler/src/main.rs
View File

@@ -13,8 +13,17 @@ fn main() -> Result<(), eframe::Error> {
)
}
#[derive(Default)]
struct MyApp {}
struct MyApp {
keep_repainting: bool,
}
impl Default for MyApp {
fn default() -> Self {
Self {
keep_repainting: true,
}
}
}
impl eframe::App for MyApp {
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
@@ -34,7 +43,15 @@ impl eframe::App for MyApp {
ui.separator();
ui.label("Note that this app runs in 'reactive' mode, so you must interact with the app for new profile events to be sent. Waving the mouse over this window is enough.");
ui.horizontal(|ui| {
ui.checkbox(&mut self.keep_repainting, "Keep repainting");
if self.keep_repainting {
ui.spinner();
ui.ctx().request_repaint();
} else {
ui.label("Repainting on events (e.g. mouse movement)");
}
});
if ui
.button(
@@ -42,9 +59,15 @@ impl eframe::App for MyApp {
)
.clicked()
{
puffin::profile_scope!("sleep");
puffin::profile_scope!("long_sleep");
std::thread::sleep(std::time::Duration::from_millis(50));
}
{
// Sleep a bit to emulate some work:
puffin::profile_scope!("small_sleep");
std::thread::sleep(std::time::Duration::from_millis(10));
}
});
}
}

11
examples/run_all.sh Executable file
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@@ -0,0 +1,11 @@
#!/usr/bin/env bash
set -eu
script_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
cd "$script_path/"
set -x
for example_name in *; do
if [ -d "$example_name" ]; then
cargo run --quiet -p $example_name
fi
done

10
examples/serial_windows/src/main.rs
View File

@@ -6,7 +6,10 @@ fn main() -> Result<(), eframe::Error> {
env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
if cfg!(target_os = "macos") {
eprintln!("WARNING: this example does not work on Mac! See https://github.com/emilk/egui/issues/1918");
eprintln!(
"This example does not work on Mac! See https://github.com/emilk/egui/issues/1918"
);
return Ok(());
}
let options = eframe::NativeOptions {
@@ -54,6 +57,11 @@ impl eframe::App for MyApp {
"This is the last window. Program will end when closed"
};
ui.label(label_text);
if ctx.os() == egui::os::OperatingSystem::Mac {
ui.label("This example doesn't work on Mac!");
}
if ui.button("Close").clicked() {
eprintln!("Pressed Close button");
ui.ctx().send_viewport_cmd(egui::ViewportCommand::Close);

23
examples/test_viewports/src/main.rs
View File

@@ -237,29 +237,6 @@ fn generic_ui(ui: &mut egui::Ui, children: &[Arc<RwLock<ViewportState>>]) {
));
}
let tmp_pixels_per_point = ctx.pixels_per_point();
let mut pixels_per_point = ui.data_mut(|data| {
*data.get_temp_mut_or(container_id.with("pixels_per_point"), tmp_pixels_per_point)
});
let res = ui.add(
egui::DragValue::new(&mut pixels_per_point)
.prefix("Pixels per Point: ")
.speed(0.1)
.clamp_range(0.5..=4.0),
);
if res.drag_released() {
ctx.set_pixels_per_point(pixels_per_point);
}
if res.dragged() {
ui.data_mut(|data| {
data.insert_temp(container_id.with("pixels_per_point"), pixels_per_point);
});
} else {
ui.data_mut(|data| {
data.insert_temp(container_id.with("pixels_per_point"), tmp_pixels_per_point);
});
}
if ctx.viewport_id() != ctx.parent_viewport_id() {
let parent = ctx.parent_viewport_id();
if ui.button("Set parent pos 0,0").clicked() {