egui changes

2026-06-03 17:45:43 -05:00
parent dc5b903741
commit 353461dbfd
10 changed files with 630 additions and 375 deletions
@@ -0,0 +1,62 @@
+use eframe::egui;
+use egui_code_editor::{CodeEditor, ColorTheme, Syntax};
+use std::collections::BTreeSet;
+
+/// Returns a [`Syntax`] definition for the Rhai scripting language.
+///
+/// Keyword sets are sourced from the official
+/// [rhaiscript/sublime-rhai](https://github.com/rhaiscript/sublime-rhai) grammar (MPL-2.0).
+pub(crate) fn rhai_syntax() -> Syntax {
+    Syntax {
+        language: "Rhai",
+        case_sensitive: true,
+        comment: "//",
+        comment_multiline: ["/*", "*/"],
+        hyperlinks: BTreeSet::new(),
+        keywords: BTreeSet::from([
+            "if", "else", "switch", "for", "in", "loop", "do", "while", "until", "break",
+            "continue", "return", "throw", "try", "catch", "let", "const", "fn", "import",
+            "export", "as", "private",
+        ]),
+        // Boolean literals and context keywords get a distinct type color.
+        types: BTreeSet::from(["true", "false", "this", "global"]),
+        // Built-in Rhai functions highlighted as special identifiers.
+        special: BTreeSet::from([
+            "print",
+            "debug",
+            "type_of",
+            "is_def_var",
+            "is_def_fn",
+            "is_shared",
+            "call",
+            "curry",
+            "eval",
+        ]),
+    }
+}
+
+/// Renders the script code editor and header bar inside `ui`.
+///
+/// Returns `true` when the user clicks "Back", signalling the caller to save
+/// `content` back to `board.scripts` and close the editor.
+pub(crate) fn show(ui: &mut egui::Ui, name: &str, content: &mut String) -> bool {
+    let mut done = false;
+
+    ui.horizontal(|ui| {
+        if ui.button("◄ Back").clicked() {
+            done = true;
+        }
+        ui.label(format!("Editing: {name}"));
+    });
+    ui.separator();
+
+    CodeEditor::default()
+        .id_source("script_editor")
+        .with_rows(30)
+        .with_fontsize(14.0)
+        .with_theme(ColorTheme::GRUVBOX)
+        .with_syntax(rhai_syntax())
+        .show(ui, content);
+
+    done
+}