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bflatasticandClaude Opus 5.5
799b507564
view.transparencyGrid {on?} -> {on} is now an engine command (DocState.
transparency_grid; not undoable, doesn't dirty the document), so agents can
turn the grid on headless and each open document keeps its own setting. The
menu item, its Show/Hide label, the shortcut and the Properties panel button
use the same id; the canvas draws the grid for the active document only.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
42 lines
1.9 KiB
Rust
42 lines
1.9 KiB
Rust
//! The canvas draws the transparency grid behind the artboards of the documents that show it
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//! (M3.88), and the View menu item follows the active document.
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use serde_json::json;
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use vectorcraft_engine::Session;
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use crate::{VectorcraftApp, canvas, menus};
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/// Whether one headless canvas frame paints the grid's grey squares.
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fn draws_grid(app: &mut VectorcraftApp) -> bool {
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fn grey(s: &egui::Shape) -> bool {
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match s {
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egui::Shape::Rect(r) => r.fill == egui::Color32::from_gray(204),
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egui::Shape::Vec(v) => v.iter().any(grey),
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_ => false,
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}
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}
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let ctx = egui::Context::default();
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let raw = egui::RawInput { screen_rect: Some(egui::Rect::from_min_size(egui::Pos2::ZERO, egui::vec2(800.0, 600.0))), ..Default::default() };
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let mut out = ctx.run_ui(raw, |ui| canvas::show(app, ui));
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out.textures_delta.clear();
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out.shapes.iter().any(|c| grey(&c.shape))
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}
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#[test]
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fn the_canvas_shows_the_grid_only_for_documents_that_turn_it_on() {
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let mut app = VectorcraftApp::new(Session::new(), Default::default());
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app.run("file.new", json!({"width": 200, "height": 200})).unwrap();
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app.run("file.new", json!({"width": 200, "height": 200})).unwrap();
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assert!(!draws_grid(&mut app));
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assert_eq!(menus::dynamic_label(&app, "view.transparencyGrid", ""), "Show Transparency Grid");
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// The menu's id reaches the engine command.
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assert_eq!(app.run("view.transparencyGrid", json!({})).unwrap(), json!({"on": true}));
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assert!(draws_grid(&mut app));
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assert_eq!(menus::dynamic_label(&app, "view.transparencyGrid", ""), "Hide Transparency Grid");
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app.run("document.activate", json!({"index": 0})).unwrap();
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assert!(!draws_grid(&mut app), "the other document keeps its own setting");
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assert_eq!(menus::dynamic_label(&app, "view.transparencyGrid", ""), "Show Transparency Grid");
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app.run("document.activate", json!({"index": 1})).unwrap();
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assert!(draws_grid(&mut app));
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}
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