diff --git a/Cargo.lock b/Cargo.lock index c4a6affbfad0..20556b30b9cc 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1052,6 +1052,16 @@ dependencies = [ "env_logger", ] +[[package]] +name = "custom_style" +version = "0.1.0" +dependencies = [ + "eframe", + "egui_demo_lib", + "egui_extras", + "env_logger", +] + [[package]] name = "custom_window_frame" version = "0.1.0" diff --git a/examples/custom_style/Cargo.toml b/examples/custom_style/Cargo.toml new file mode 100644 index 000000000000..c150c50d3706 --- /dev/null +++ b/examples/custom_style/Cargo.toml @@ -0,0 +1,22 @@ +[package] +name = "custom_style" +version = "0.1.0" +license = "MIT OR Apache-2.0" +edition = "2021" +rust-version = "1.76" +publish = false + +[lints] +workspace = true + +[dependencies] +eframe = { workspace = true, features = [ + "default", + "__screenshot", # __screenshot is so we can dump a screenshot using EFRAME_SCREENSHOT_TO +] } +env_logger = { version = "0.10", default-features = false, features = [ + "auto-color", + "humantime", +] } +egui_demo_lib.workspace = true +egui_extras.workspace = true diff --git a/examples/custom_style/README.md b/examples/custom_style/README.md new file mode 100644 index 000000000000..aa5401070c65 --- /dev/null +++ b/examples/custom_style/README.md @@ -0,0 +1,7 @@ +Example of how to customize the style. + +```sh +cargo run -p custom_style +``` + +![](screenshot.png) diff --git a/examples/custom_style/src/main.rs b/examples/custom_style/src/main.rs new file mode 100644 index 000000000000..526f47f76dc7 --- /dev/null +++ b/examples/custom_style/src/main.rs @@ -0,0 +1,69 @@ +#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release +#![allow(rustdoc::missing_crate_level_docs)] // it's an example + +use eframe::egui::{ + self, global_dark_light_mode_buttons, style::Selection, Color32, Stroke, Style, +}; +use egui_demo_lib::{View, WidgetGallery}; + +fn main() -> eframe::Result { + env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`). + let options = eframe::NativeOptions { + viewport: egui::ViewportBuilder::default().with_inner_size([350.0, 590.0]), + ..Default::default() + }; + eframe::run_native( + "egui example: custom style", + options, + Box::new(|cc| Ok(Box::new(MyApp::new(cc)))), + ) +} + +fn setup_custom_style(ctx: &egui::Context) { + ctx.light_style_mut(use_light_green_accent); + ctx.dark_style_mut(use_dark_purple_accent); +} + +fn use_light_green_accent(style: &mut Style) { + style.visuals.hyperlink_color = Color32::from_rgb(18, 180, 85); + style.visuals.text_cursor.stroke.color = Color32::from_rgb(28, 92, 48); + style.visuals.selection = Selection { + bg_fill: Color32::from_rgb(157, 218, 169), + stroke: Stroke::new(1.0, Color32::from_rgb(28, 92, 48)), + }; +} + +fn use_dark_purple_accent(style: &mut Style) { + style.visuals.hyperlink_color = Color32::from_rgb(202, 135, 227); + style.visuals.text_cursor.stroke.color = Color32::from_rgb(234, 208, 244); + style.visuals.selection = Selection { + bg_fill: Color32::from_rgb(105, 67, 119), + stroke: Stroke::new(1.0, Color32::from_rgb(234, 208, 244)), + }; +} + +struct MyApp { + widget_gallery: WidgetGallery, +} + +impl MyApp { + fn new(cc: &eframe::CreationContext<'_>) -> Self { + setup_custom_style(&cc.egui_ctx); + egui_extras::install_image_loaders(&cc.egui_ctx); // Needed for the "Widget Gallery" demo + Self { + widget_gallery: WidgetGallery::default(), + } + } +} + +impl eframe::App for MyApp { + fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) { + egui::CentralPanel::default().show(ctx, |ui| { + ui.heading("egui using a customized style"); + ui.label("Switch between dark and light mode to see the different styles in action."); + global_dark_light_mode_buttons(ui); + ui.separator(); + self.widget_gallery.ui(ui); + }); + } +}