Remove egui_material_icons proc macro and generate the code via scrip…

…t instead

Cargo.toml

@@ -50,7 +50,6 @@ thumbhash = ["dep:egui_thumbhash"]
 tokio = ["egui_suspense/tokio", "egui_infinite_scroll/tokio"]
 virtual_list = ["dep:egui_virtual_list"]
 material_icons = ["dep:egui_material_icons"]
-material_icons_proc_macro = ["dep:material_icons_proc_macro"]
 
 [dependencies]
 egui_animation = { workspace = true, optional = true }
@@ -65,7 +64,6 @@ egui_suspense = { workspace = true, optional = true }
 egui_thumbhash = { workspace = true, optional = true }
 egui_virtual_list = { workspace = true, optional = true }
 egui_material_icons = { workspace = true, optional = true }
-material_icons_proc_macro = { workspace = true, optional = true }
 
 
 [workspace]
@@ -86,7 +84,6 @@ egui_virtual_list = { path = "./crates/egui_virtual_list", version = "0.4.0" }
 egui_infinite_scroll = { path = "./crates/egui_infinite_scroll", version = "0.4.0" }
 egui_thumbhash = { path = "./crates/egui_thumbhash", version = "0.4.0" }
 egui_material_icons = { path = "./crates/egui_material_icons", version = "0.1.0" }
-material_icons_proc_macro = { path = "./crates/material_icons_proc_macro", version = "0.1.0" }
 hello_egui = { path = ".", version = "0.5.0" }
 
 egui = { version = "0.29", default-features = false }

crates/egui_material_icons/Cargo.toml

@@ -12,7 +12,6 @@ repository = "https://github.com/lucasmerlin/hello_egui/tree/main/crates/egui_ma
 
 [dependencies]
 egui.workspace = true
-material_icons_proc_macro.workspace = true
 
 [dev-dependencies]
 eframe = { workspace = true, default-features = true }

crates/egui_material_icons/README.md

@@ -20,3 +20,6 @@ egui_material_icons::initialize(&cc.egui_ctx);
 // later in some ui:
 ui.button(egui_material_icons::icons::ICON_ADD);
 ```
+
+Currently this provides the rounded icons, I could also add a feature to enable different variants.
+If you need this just open an issue.

crates/material_icons_proc_macro/src/lib.rs → crates/egui_material_icons/gen_codepoints.rs

@@ -1,9 +1,12 @@
-use proc_macro::TokenStream;
+#!/usr/bin/env rust-script
+//! This script generates the `src/icons.rs` file from the `MaterialSymbolsRounded-Regular.codepoints` file.
+//! Install the `rust-script` crate with `cargo install rust-script` to run this script.
+
 use std::collections::HashSet;
+use std::path::PathBuf;
 
-#[proc_macro]
-pub fn code_points(_item: TokenStream) -> TokenStream {
-    let codepoints = include_str!("../MaterialSymbolsRounded-Regular.codepoints");
+pub fn main() {
+    let codepoints = include_str!("./MaterialSymbolsRounded-Regular.codepoints");
 
     let mut names = HashSet::new();
 
@@ -32,5 +35,9 @@ pub fn code_points(_item: TokenStream) -> TokenStream {
         })
         .collect();
 
-    code.parse().unwrap()
+    let file = PathBuf::try_from(file!()).unwrap();
+    let icons = file.parent().unwrap().join("src").join("icons.rs");
+    std::fs::write(icons, code).unwrap();
+
+    println!("Generated src/icons.rs");
 }