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Claude
2d507d959d
The board canvas's background grid is now a preference (`board.grid`): dots (the default), lines, graph paper (a strong line every 2-12 cells over fainter ones, like Japanese section paper) or none, with spacing (4-512), mark size and contrast. Preferences gets a Board grid section; right-clicking an empty board offers Board grid settings. Zoomed out the grid still thins out (by halves, or down to graph paper's strong lines), and dots no longer shrink to a single pixel, so the grid stays visible at low zoom. The renderer draws lines as well as dots, with a configurable strong-mark rhythm; a crossing of two lines is blended once, in the stronger colour. A hand-edited preferences file falls back to the default grid instead of losing the other preferences. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FEkCVd8n1eC6xTHebmHMDR
46 lines
2.6 KiB
Rust
46 lines
2.6 KiB
Rust
//! The board grid's settings: kept with the preferences, every value held within its range, and a
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//! settings file edited by hand never costing the other preferences.
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use serde_json::json;
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use crate::board_grid::{BoardGrid, GridStyle};
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use crate::{Prefs, Session};
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#[test]
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fn board_grid_sets_and_reads_back_the_preferences() {
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let mut s = Session::new();
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let r = s.execute("board.grid", &json!({})).unwrap();
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assert_eq!(r, json!({"style": "dots", "spacing": 24.0, "major": 5, "size": 1.0, "contrast": 1.0}));
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let r = s.execute("board.grid", &json!({"style": "graph", "spacing": 8, "major": 10, "contrast": 2.5})).unwrap();
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assert_eq!(r["style"], "graph");
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assert_eq!(s.prefs.board_grid, BoardGrid { style: GridStyle::Graph, spacing: 8.0, major: 10, size: 1.0, contrast: 2.5 });
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// Out of range: the nearest end.
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let r = s.execute("board.grid", &json!({"spacing": 1e9, "major": 1, "size": 0, "contrast": 99})).unwrap();
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assert_eq!(r, json!({"style": "graph", "spacing": 512.0, "major": 2, "size": 0.5, "contrast": 4.0}));
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// Refused, and nothing changes.
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let before = s.prefs.board_grid.clone();
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for p in [json!({"style": "hexagons"}), json!({"style": 3}), json!({"spacing": "wide"}), json!({"contrast": [1]})] {
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assert!(s.execute("board.grid", &p).is_err(), "{p}");
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}
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assert_eq!(s.prefs.board_grid, before);
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// Off, then back to the default.
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assert_eq!(s.execute("board.grid", &json!({"style": "None"})).unwrap()["style"], "none");
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s.execute("board.grid", &json!({"reset": true})).unwrap();
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assert_eq!(s.prefs.board_grid, BoardGrid::default());
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}
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#[test]
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fn a_saved_board_grid_survives_hand_edits() {
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let p = Prefs { board_grid: BoardGrid { style: GridStyle::Lines, spacing: 32.0, major: 4, size: 2.0, contrast: 1.5 }, ..Prefs::default() };
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let back: Prefs = serde_json::from_str(&serde_json::to_string(&p).unwrap()).unwrap();
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assert_eq!(back.board_grid, p.board_grid);
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// Unreadable: the default grid, and the other preferences stay.
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let back: Prefs = serde_json::from_value(json!({"nudge_small": 3.0, "board_grid": {"style": "zigzag"}})).unwrap();
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assert_eq!((back.nudge_small, back.board_grid), (3.0, BoardGrid::default()));
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let back: Prefs = serde_json::from_value(json!({"board_grid": "dots"})).unwrap();
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assert_eq!(back.board_grid, BoardGrid::default());
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// Out of range: clamped; missing fields: their defaults.
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let back: Prefs = serde_json::from_value(json!({"board_grid": {"style": "graph", "spacing": -5, "major": 400}})).unwrap();
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assert_eq!(back.board_grid, BoardGrid { style: GridStyle::Graph, spacing: 4.0, major: 12, ..BoardGrid::default() });
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}
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