mirror of
https://github.com/storytold/wordcraft.git
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887 lines
39 KiB
Rust
887 lines
39 KiB
Rust
//! Character formatting (Home › Font).
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use serde_json::{Value, json};
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use wordcraft_doc::eq::{EncloseShape, EncloseStyle, Enclosure};
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use wordcraft_doc::props::{Border, CharProps, Highlight, Rgb, TextColor, Underline, VertAlign};
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use wordcraft_doc::resolve::ResolvedChar;
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use wordcraft_doc::{InlineObject, PartKind, Pos, RevisionKind, StoryRef};
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use super::sel_result;
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use super::tools::{is_turkic, lower_char, upper_char};
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use crate::{CmdError, CmdResult, CommandSpec, Session, p};
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/// Word's font size list.
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pub const SIZES: [f32; 17] = [8.0, 9.0, 10.0, 10.5, 11.0, 12.0, 14.0, 16.0, 18.0, 20.0, 22.0, 24.0, 26.0, 28.0, 36.0, 48.0, 72.0];
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pub fn specs() -> Vec<CommandSpec> {
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vec![
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CommandSpec::new("format.bold", "Bold", "Home › Font", |s, v| {
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// The button formats both plain and complex-script text explicitly.
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toggle(
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s,
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v,
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|r| r.bold,
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|c, on| {
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c.bold = Some(on);
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c.bold_cs = Some(on);
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},
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)
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})
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.key("Mod+B")
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.params(r#"{"value"?: bool}"#),
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CommandSpec::new("format.italic", "Italic", "Home › Font", |s, v| {
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toggle(
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s,
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v,
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|r| r.italic,
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|c, on| {
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c.italic = Some(on);
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c.italic_cs = Some(on);
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},
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)
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})
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.key("Mod+I")
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.params(r#"{"value"?: bool}"#),
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CommandSpec::new("format.underline", "Underline", "Home › Font", underline)
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.key("Mod+U")
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.params(r#"{"value"?: bool, "style"?: "single|double|thick|dotted|dash|dotDash|dotDotDash|wave|words"}"#),
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CommandSpec::new("format.doubleUnderline", "Double Underline", "Home › Font › Underline", |s, _| {
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underline(s, &json!({"style": "double"}))
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})
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.key("Mod+Shift+D"),
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CommandSpec::new("format.wordUnderline", "Underline Words Only", "Home › Font › Underline", |s, _| {
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underline(s, &json!({"style": "words"}))
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})
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.key("Mod+Shift+W"),
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CommandSpec::new("format.strikethrough", "Strikethrough", "Home › Font", |s, v| toggle(s, v, |r| r.strike, |c, on| c.strike = Some(on)))
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.key("Mod+Shift+X")
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.params(r#"{"value"?: bool}"#),
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// Note: off clears the direct property only; a border inherited from a character style stays on.
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CommandSpec::new("format.border", "Character Border", "Home › Font", |s, v| {
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toggle(s, v, |r| r.border.is_some(), |c, on| c.border = on.then(|| Border::single(0.5)))
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})
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.params(r#"{"value"?: bool}"#),
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CommandSpec::new("format.doubleStrikethrough", "Double Strikethrough", "Home › Font › Font", |s, v| {
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toggle(s, v, |r| r.double_strike, |c, on| c.double_strike = Some(on))
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}),
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CommandSpec::new("format.subscript", "Subscript", "Home › Font", |s, v| {
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toggle(
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s,
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v,
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|r| r.vert_align == VertAlign::Subscript,
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|c, on| c.vert_align = Some(if on { VertAlign::Subscript } else { VertAlign::Baseline }),
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)
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})
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.key("Mod+="),
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CommandSpec::new("format.superscript", "Superscript", "Home › Font", |s, v| {
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toggle(
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s,
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v,
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|r| r.vert_align == VertAlign::Superscript,
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|c, on| c.vert_align = Some(if on { VertAlign::Superscript } else { VertAlign::Baseline }),
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)
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})
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.key("Mod+Shift+="),
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CommandSpec::new("format.allCaps", "All Caps", "Home › Font › Font", |s, v| toggle(s, v, |r| r.caps, |c, on| c.caps = Some(on)))
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.key("Mod+Shift+A"),
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CommandSpec::new("format.smallCaps", "Small Caps", "Home › Font › Font", |s, v| {
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toggle(s, v, |r| r.small_caps, |c, on| c.small_caps = Some(on))
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})
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.key("Mod+Shift+K"),
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CommandSpec::new("format.hidden", "Hidden", "Home › Font › Font", |s, v| toggle(s, v, |r| r.hidden, |c, on| c.hidden = Some(on)))
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.key("Mod+Shift+H"),
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CommandSpec::new("format.outline", "Outline", "Home › Font › Text Effects", |s, v| {
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toggle(s, v, |r| r.outline, |c, on| c.outline = Some(on))
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}),
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CommandSpec::new("format.shadow", "Shadow", "Home › Font › Text Effects", |s, v| toggle(s, v, |r| r.shadow, |c, on| c.shadow = Some(on))),
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CommandSpec::new("format.emboss", "Emboss", "Home › Font › Font", |s, v| toggle(s, v, |r| r.emboss, |c, on| c.emboss = Some(on))),
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CommandSpec::new("format.engrave", "Engrave", "Home › Font › Font", |s, v| toggle(s, v, |r| r.engrave, |c, on| c.engrave = Some(on))),
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CommandSpec::new("format.font", "Font", "Home › Font", font).key("Mod+Shift+F").params(r#"{"name"?: string, "eastAsia"?: string}"#),
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CommandSpec::new("format.size", "Font Size", "Home › Font", size).key("Mod+Shift+P").params(r#"{"size": number}"#),
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CommandSpec::new("format.growFont", "Increase Font Size", "Home › Font", |s, _| step_size(s, 1)).key("Mod+Shift+. / Mod+Shift+>"),
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CommandSpec::new("format.shrinkFont", "Decrease Font Size", "Home › Font", |s, _| step_size(s, -1)).key("Mod+Shift+, / Mod+Shift+<"),
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CommandSpec::new("format.growFont1", "Grow Font 1 Point", "Home › Font", |s, _| nudge_size(s, 1.0)).key("Mod+]"),
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CommandSpec::new("format.shrinkFont1", "Shrink Font 1 Point", "Home › Font", |s, _| nudge_size(s, -1.0)).key("Mod+["),
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CommandSpec::new("format.color", "Font Color", "Home › Font", color).params(r#"{"color": "RRGGBB" | "auto"}"#),
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CommandSpec::new("format.underlineColor", "Underline Color", "Home › Font › Underline", underline_color)
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.params(r#"{"color": "RRGGBB" | "auto"} (the underline's own colour; "auto" follows the text colour)"#),
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CommandSpec::new("format.highlight", "Text Highlight Color", "Home › Font", highlight)
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.params(
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r#"{"color": "yellow|brightGreen|turquoise|pink|blue|red|darkBlue|teal|green|violet|darkRed|darkYellow|gray50|gray25|black|none"}"#,
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)
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// ⌘⌥H hides other apps on macOS.
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.key(super::non_mac("Mod+Alt+H")),
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CommandSpec::new("format.shading", "Character Shading", "Home › Font", |s, v| {
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let c = p::str(v, "color").and_then(Rgb::parse);
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apply(s, &|x| x.shading = c)
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})
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.params(r#"{"color": "RRGGBB" | null}"#),
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CommandSpec::new("format.changeCase", "Change Case", "Home › Font", change_case)
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.key("Shift+F3")
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.params(r#"{"mode"?: "sentence|lower|upper|title|toggle"}"#),
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CommandSpec::new("format.clear", "Clear All Formatting", "Home › Font", clear),
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// Word's Ctrl+Space; ⌘Space is Spotlight, so Word for Mac uses ⌃Space.
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CommandSpec::new("format.resetChar", "Reset Character Formatting", "Home › Font", reset_char).key(super::mac_or("Ctrl+Space", "Mod+Space")),
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CommandSpec::new("format.spacing", "Character Spacing", "Home › Font › Font › Advanced", |s, v| {
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let x = p::req_f32(v, "points")?.clamp(-100.0, 100.0);
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apply(s, &|c| c.spacing = Some(x))
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})
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.params(r#"{"points": number}"#),
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CommandSpec::new("format.scale", "Character Scale", "Home › Font › Font › Advanced", |s, v| {
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let x = p::req_f32(v, "percent")?.clamp(1.0, 600.0);
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apply(s, &|c| c.scale = Some(x))
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})
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.params(r#"{"percent": number}"#),
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CommandSpec::new("format.position", "Character Position", "Home › Font › Font › Advanced", |s, v| {
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let x = p::req_f32(v, "points")?.clamp(-1584.0, 1584.0);
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apply(s, &|c| c.position = Some(x))
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})
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.params(r#"{"points": number}"#),
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CommandSpec::new("format.charStyle", "Apply Character Style", "Home › Styles", char_style).params(r#"{"style": string}"#),
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CommandSpec::new("format.set", "Set Character Formatting", "Home › Font › Font", set).params(r#"{"props": CharProps}"#),
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CommandSpec::new("format.fontDialog", "Font Dialog", "Home › Font", |s, _| {
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s.push_ui_request(json!({"open": "font"}));
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sel_result(s)
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})
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.key("Mod+D")
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.pure(),
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CommandSpec::new("format.enclose", "Enclose Characters", "Home › Font", enclose)
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.params(r#"{"shape": "circle|square|triangle|diamond" | null, "style"?: "shrink|enlarge", "text"?: string}"#),
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CommandSpec::new("format.state", "Formatting at Selection", "Home › Font", |s, _| Ok(state(s))).pure(),
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]
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}
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/// The selection to format: the selection, or the word around a collapsed caret (Word
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/// formats the whole word when the caret is inside one). `None` = caret between words.
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fn target(s: &Session) -> Option<(Pos, Pos)> {
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let (a, b) = s.sel.ordered();
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if a != b {
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return Some((a, b));
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}
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let p = s.doc.para_at(&a)?;
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let is_w = |c: char| c.is_alphanumeric() || c == '\'' || c == '_';
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let before = p.text.get(..a.off)?.chars().next_back();
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let after = p.text.get(a.off..)?.chars().next();
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if before.is_some_and(is_w) && after.is_some_and(is_w) {
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let (x, y) = p.word_at(a.off);
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// word_at includes trailing spaces; Word formats just the word.
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let word_end = p.text.get(x..y).map(|w| x + w.trim_end().len()).unwrap_or(y);
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return Some((Pos { off: x, ..a.clone() }, Pos { off: word_end, ..a }));
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}
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None
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}
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/// A text box selected as an object (its frame, not text in it): all its text, which Word's Font
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/// group formats then, instead of the box's anchor in the text around it.
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fn selected_text_box(s: &Session) -> Option<(Pos, Pos)> {
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let (_, InlineObject::Shape { story: Some(id), .. }) = super::objects::object_selection(s)? else { return None };
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let story = StoryRef::Part(*id);
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s.doc.parts.get(id).filter(|p| p.kind == PartKind::TextBox).map(|_| (s.doc.start_of(story), s.doc.end_of(story)))
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}
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/// The non-empty rows of a column selection, if one is active. Of whole cells, every paragraph:
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/// an empty one's mark takes the formatting.
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fn column_rows(s: &Session) -> Option<Vec<(Pos, Pos)>> {
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let segs = s.column_segments()?;
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let cells = s.cell_range().is_some();
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let rows: Vec<(Pos, Pos)> = segs
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.iter()
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.map(|(a, b)| (s.doc.clamp(a), s.doc.clamp(b)))
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.filter(|(a, b)| (a != b || cells) && a.path == b.path && a.story == b.story)
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.map(|(a, b)| if a <= b { (a, b) } else { (b, a) })
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.collect();
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// An empty block (column mode just started) formats like a caret.
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(!rows.is_empty()).then_some(rows)
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}
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/// Apply a change to the selection (or the pending caret formatting).
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pub fn apply(s: &mut Session, f: &dyn Fn(&mut CharProps)) -> CmdResult {
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// A column selection formats each row's piece.
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if let Some(rows) = column_rows(s) {
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for (a, b) in rows {
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s.doc.format_range(&a, &b, f)?;
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// An empty cell's paragraph only had its mark formatted: lay it out again.
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if a == b {
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s.doc.para_mut(a.story, &a.path)?.touch();
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}
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}
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return sel_result(s);
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}
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match selected_text_box(s).or_else(|| target(s)) {
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Some((a, b)) => {
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s.doc.format_range(&a, &b, f)?;
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}
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None => {
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let mut pend = s.typing_props();
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f(&mut pend);
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s.pending = Some(pend);
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// An empty paragraph's mark takes the formatting too (so it shows the new size).
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let fpos = s.sel.focus.clone();
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if s.doc.para_at(&fpos).is_some_and(|p| p.is_empty())
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&& let Ok(para) = s.doc.para_mut(fpos.story, &fpos.path)
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{
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f(&mut para.mark);
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para.touch();
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}
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}
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}
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sel_result(s)
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}
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/// Resolved formatting of every character in the target (or the caret).
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fn resolved(s: &Session) -> Vec<ResolvedChar> {
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let mut out = Vec::new();
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if let Some(rows) = column_rows(s) {
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for (a, b) in rows {
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let Some(p) = s.doc.para_at(&a) else { continue };
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// An empty cell: its mark's formatting.
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if a == b {
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out.push(s.doc.styles.resolve_char(p.props.style.as_deref(), &p.mark));
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}
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for (r, c) in p.run_ranges() {
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if r.end > a.off && r.start < b.off {
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out.push(s.doc.styles.resolve_char(p.props.style.as_deref(), c));
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}
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}
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if out.len() > 10_000 {
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break;
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}
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}
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if !out.is_empty() {
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return out;
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}
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}
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let Some((a, b)) = selected_text_box(s).or_else(|| target(s)) else {
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let f = &s.sel.focus;
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let style = s.doc.para_at(f).and_then(|p| p.props.style.clone());
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out.push(s.doc.styles.resolve_char(style.as_deref(), &s.typing_props()));
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return out;
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};
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for path in s.doc.paths_between(&a, &b) {
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let Some(p) = s.doc.para(a.story, &path) else { continue };
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let from = if path == a.path { a.off } else { 0 };
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let to = if path == b.path { b.off } else { p.len() };
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for (r, c) in p.run_ranges() {
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if r.end > from && r.start < to {
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out.push(s.doc.styles.resolve_char(p.props.style.as_deref(), c));
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}
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}
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if out.len() > 10_000 {
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break;
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}
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}
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if out.is_empty() {
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let p = s.doc.para_at(&a);
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let style = p.and_then(|p| p.props.style.clone());
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// An empty selected text box has only its paragraph mark, which is what gets formatted.
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let empty_box = selected_text_box(s).and(p).map(|p| &p.mark);
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out.push(s.doc.styles.resolve_char(style.as_deref(), empty_box.unwrap_or(&s.typing_props())));
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}
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out
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}
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fn toggle(s: &mut Session, v: &Value, get: fn(&ResolvedChar) -> bool, set: fn(&mut CharProps, bool)) -> CmdResult {
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let on = match p::bool(v, "value") {
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Some(b) => b,
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None => !resolved(s).iter().all(get),
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};
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apply(s, &|c| set(c, on))
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}
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fn underline(s: &mut Session, v: &Value) -> CmdResult {
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let style = p::str(v, "style").map(Underline::from_ooxml);
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let on = match (p::bool(v, "value"), style) {
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(Some(b), _) => b,
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(None, Some(_)) => true,
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(None, None) => !resolved(s).iter().all(|r| r.underline != Underline::None),
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};
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let u = if on { style.unwrap_or(Underline::Single) } else { Underline::None };
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apply(s, &|c| c.underline = Some(u))
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}
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/// `format.font`: `name` is the font (Latin text, and Persian/Arabic text too); `eastAsia` sets the
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/// East Asian text's font on its own, as the Font dialog's Asian text font box does (#505).
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fn font(s: &mut Session, v: &Value) -> CmdResult {
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let arg = |k: &str| -> Result<Option<String>, CmdError> {
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let Some(n) = v.get(k) else { return Ok(None) };
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let n = n.as_str().map(str::trim).unwrap_or("");
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if n.is_empty() || n.len() > 128 {
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return Err(CmdError::Params(format!("bad font name `{k}`")));
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}
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Ok(Some(n.to_string()))
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};
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let (name, east_asia) = (arg("name")?, arg("eastAsia")?);
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if name.is_none() && east_asia.is_none() {
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return Err(CmdError::Params("`name` or `eastAsia` (string) is required".into()));
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}
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// The font applies to Persian/Arabic text in the selection too (its complex-script font). A
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// Chinese, Japanese or Korean font is the East Asian text's font as well (`w:eastAsia`), as in
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// Word; choosing a Latin font leaves that text's font as it was.
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let ea = east_asia.or_else(|| {
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name.clone().filter(|n| {
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let r = wordcraft_fonts::word::resolve(n, false, false);
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!r.substituted && r.face.is_east_asian()
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})
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});
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apply(s, &|c| {
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if let Some(n) = &name {
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c.font = Some(n.clone());
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c.font_cs = Some(n.clone());
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}
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if let Some(n) = &ea {
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c.font_ea = Some(n.clone());
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}
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})
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}
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fn size(s: &mut Session, v: &Value) -> CmdResult {
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let sz = p::req_f32(v, "size")?;
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if !(1.0..=1638.0).contains(&sz) {
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return Err(CmdError::Params("size must be between 1 and 1638".into()));
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}
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// Word rounds to half points.
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let sz = (sz * 2.0).round() / 2.0;
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apply(s, &|c| {
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c.size = Some(sz);
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c.size_cs = Some(sz);
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})
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}
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fn current_size(s: &Session) -> f32 {
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resolved(s).first().map(|r| r.size).unwrap_or(12.0)
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}
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fn step_size(s: &mut Session, dir: i32) -> CmdResult {
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let cur = current_size(s);
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let next = if dir > 0 {
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SIZES.iter().copied().find(|x| *x > cur + 0.01).unwrap_or(((cur / 10.0).floor() + 1.0) * 10.0)
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} else {
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SIZES.iter().rev().copied().find(|x| *x < cur - 0.01).unwrap_or(1.0)
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};
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let next = next.clamp(1.0, 1638.0);
|
||
// Each run steps from its own size when the selection mixes sizes.
|
||
apply(s, &|c| {
|
||
c.size = Some(next);
|
||
c.size_cs = Some(next);
|
||
})
|
||
}
|
||
|
||
fn nudge_size(s: &mut Session, d: f32) -> CmdResult {
|
||
let next = (current_size(s) + d).clamp(1.0, 1638.0);
|
||
apply(s, &|c| {
|
||
c.size = Some(next);
|
||
c.size_cs = Some(next);
|
||
})
|
||
}
|
||
|
||
fn color(s: &mut Session, v: &Value) -> CmdResult {
|
||
let c = p::req_str(v, "color")?;
|
||
let tc = TextColor::parse(c).ok_or_else(|| CmdError::Params("color must be RRGGBB or auto".into()))?;
|
||
apply(s, &|x| x.color = Some(tc))
|
||
}
|
||
|
||
/// `format.underlineColor`: the underline's own colour (`w:u w:color`), or `auto` to drop it so the
|
||
/// underline follows the text colour again. The underline style is left as it is.
|
||
fn underline_color(s: &mut Session, v: &Value) -> CmdResult {
|
||
let c = p::req_str(v, "color")?;
|
||
let rgb = match TextColor::parse(c).ok_or_else(|| CmdError::Params("color must be RRGGBB or auto".into()))? {
|
||
TextColor::Auto => None,
|
||
TextColor::Rgb(rgb) => Some(rgb),
|
||
};
|
||
apply(s, &|x| x.underline_color = rgb)
|
||
}
|
||
|
||
fn highlight(s: &mut Session, v: &Value) -> CmdResult {
|
||
let c = p::str(v, "color").unwrap_or("yellow");
|
||
let h = Highlight::ALL
|
||
.iter()
|
||
.copied()
|
||
.find(|h| {
|
||
h.ooxml().eq_ignore_ascii_case(c)
|
||
|| h.name().replace(['-', ' ', '%'], "").eq_ignore_ascii_case(&c.replace(['-', ' ', '%'], ""))
|
||
|| format!("{h:?}").eq_ignore_ascii_case(c)
|
||
})
|
||
.ok_or_else(|| CmdError::Params(format!("unknown highlight colour `{c}`")))?;
|
||
apply(s, &|x| x.highlight = Some(h))
|
||
}
|
||
|
||
/// `format.changeCase`: `mode` (lower, upper, title, sentence, toggle), or Shift+F3's cycle
|
||
/// without one. Works on the selection, the word at the caret, or a selected text box's text.
|
||
fn change_case(s: &mut Session, v: &Value) -> CmdResult {
|
||
let (a, b) = match selected_text_box(s) {
|
||
Some(all) => all,
|
||
None => {
|
||
let (a, b) = s.sel.ordered();
|
||
if a == b { target(s).unwrap_or((a, b)) } else { (a, b) }
|
||
}
|
||
};
|
||
if a == b {
|
||
return sel_result(s);
|
||
}
|
||
// Changing case rewrites the characters: refused in content locked against editing.
|
||
super::controls::check_edit(s, &a, &b)?;
|
||
// Only text that isn't a tracked deletion counts, for the mode and the conversion: after a
|
||
// tracked change of case the old letters are still there, deleted (#1329).
|
||
let text: String = s
|
||
.doc
|
||
.paths_between(&a, &b)
|
||
.iter()
|
||
.filter_map(|path| {
|
||
let p = s.doc.para(a.story, path)?;
|
||
let from = if *path == a.path { a.off } else { 0 };
|
||
let to = if *path == b.path { b.off } else { p.len() };
|
||
Some(live_chars(p, from, to).into_iter().map(|(_, c)| c).collect::<String>())
|
||
})
|
||
.collect::<Vec<_>>()
|
||
.join("\n");
|
||
let mode = p::str(v, "mode").map(str::to_string).unwrap_or_else(|| {
|
||
// Shift+F3 cycles: lower → UPPER → Title → lower.
|
||
if text.chars().any(char::is_lowercase) && text.chars().any(char::is_uppercase) && !is_title(&text) {
|
||
"lower".into()
|
||
} else if !text.chars().any(char::is_uppercase) {
|
||
"upper".into()
|
||
} else if text.chars().any(char::is_lowercase) {
|
||
"lower".into()
|
||
} else {
|
||
"title".into()
|
||
}
|
||
});
|
||
for path in s.doc.paths_between(&a, &b) {
|
||
// Changed stretches of one run each: (start, end, replacement), in text order.
|
||
let groups = {
|
||
let Some(p) = s.doc.para(a.story, &path) else { continue };
|
||
let from = if path == a.path { a.off } else { 0 };
|
||
let to = if path == b.path { b.off } else { p.len() };
|
||
let chars = live_chars(p, from, to);
|
||
let src: String = chars.iter().map(|(_, c)| c).collect();
|
||
// Turkish, Azerbaijani and Crimean Tatar text follows the same case mapping as
|
||
// AutoCorrect (#1923); each run's own language decides (#3479).
|
||
let turkic: Vec<bool> = chars
|
||
.iter()
|
||
.map(|(off, _)| {
|
||
let lang = s.doc.styles.resolve_char(p.props.style.as_deref(), p.props_of_char(*off)).lang;
|
||
is_turkic(lang.as_deref().or(s.editing_lang.as_deref()))
|
||
})
|
||
.collect();
|
||
case_groups(p, &chars, &convert_chars(&src, &mode, from == 0, &turkic))
|
||
};
|
||
if groups.is_empty() {
|
||
continue;
|
||
}
|
||
// With Track Changes on, a changed stretch is a tracked deletion of the old characters
|
||
// followed by a tracked insertion of the new, so Reject All restores the old case (#1329).
|
||
// Text this author inserted is rewritten in place (it stays one insertion); text already
|
||
// deleted isn't in the stretches.
|
||
let tracked = s.doc.settings.track_changes;
|
||
let kinds: Vec<Tracked> = {
|
||
let Some(p) = s.doc.para(a.story, &path) else { continue };
|
||
groups
|
||
.iter()
|
||
.map(|(start, _, _)| {
|
||
let c = p.props_of_char(*start);
|
||
let own = c.ins.and_then(|i| s.doc.revisions.get(i as usize)).is_some_and(|rv| rv.author == s.author);
|
||
if tracked && !own { Tracked::Replace } else { Tracked::No }
|
||
})
|
||
.collect()
|
||
};
|
||
let revs = if kinds.contains(&Tracked::Replace) {
|
||
Some((super::new_revision(s, RevisionKind::Delete), super::new_revision(s, RevisionKind::Insert)))
|
||
} else {
|
||
None
|
||
};
|
||
// Each stretch keeps its own run's formatting (#421); right to left so offsets hold.
|
||
let para = s.doc.para_mut(a.story, &path)?;
|
||
let mut spans: Vec<(usize, usize, usize)> = Vec::with_capacity(groups.len());
|
||
for ((start, end, new), kind) in groups.iter().zip(&kinds).rev() {
|
||
let old_len = end.saturating_sub(*start);
|
||
match (kind, revs) {
|
||
(Tracked::Replace, Some((del, ins))) => {
|
||
let mut props = para.props_of_char(*start).clone();
|
||
para.format(*start, *end, &|c| c.del = Some(del))?;
|
||
(props.ins, props.del, props.fmt_change) = (Some(ins), None, None);
|
||
para.insert_text(*end, new, &props)?;
|
||
spans.push((*start, *end, old_len.saturating_add(new.len())));
|
||
}
|
||
_ => {
|
||
if new.len() == old_len {
|
||
if para.text.get(*start..*end).is_some() {
|
||
para.text.replace_range(*start..*end, new);
|
||
}
|
||
} else {
|
||
let props = para.props_of_char(*start).clone();
|
||
para.delete(*start, *end)?;
|
||
para.insert_text(*start, new, &props)?;
|
||
}
|
||
spans.push((*start, *end, new.len()));
|
||
}
|
||
}
|
||
}
|
||
spans.reverse();
|
||
para.touch();
|
||
// The selection keeps covering the converted text when its length changed (#420).
|
||
for end in [&mut s.sel.anchor, &mut s.sel.focus] {
|
||
if end.story == a.story && end.path == path {
|
||
end.off = map_offset(&spans, end.off);
|
||
}
|
||
}
|
||
}
|
||
sel_result(s)
|
||
}
|
||
|
||
/// How Change Case rewrites one stretch under Track Changes.
|
||
#[derive(Clone, Copy, PartialEq, Eq)]
|
||
enum Tracked {
|
||
/// In place: tracking is off, or the text is this author's own insertion.
|
||
No,
|
||
/// A tracked deletion of the old text and a tracked insertion of the new.
|
||
Replace,
|
||
}
|
||
|
||
/// The characters of `p` in `from..to` that aren't tracked deletions, with their offsets.
|
||
fn live_chars(p: &wordcraft_doc::Paragraph, from: usize, to: usize) -> Vec<(usize, char)> {
|
||
let mut out = Vec::new();
|
||
for (r, c) in p.run_ranges() {
|
||
let (x, y) = (r.start.max(from), r.end.min(to));
|
||
if c.del.is_some() || x >= y {
|
||
continue;
|
||
}
|
||
if let Some(t) = p.text.get(x..y) {
|
||
out.extend(t.char_indices().map(|(i, ch)| (x + i, ch)));
|
||
}
|
||
}
|
||
out
|
||
}
|
||
|
||
/// Group the characters `chars` (offsets in `p`) whose converted form `conv` differs into
|
||
/// stretches of adjacent characters that stay inside one run: `(start, end, replacement)`, in
|
||
/// text order.
|
||
fn case_groups(p: &wordcraft_doc::Paragraph, chars: &[(usize, char)], conv: &[String]) -> Vec<(usize, usize, String)> {
|
||
let runs: Vec<std::ops::Range<usize>> = p.run_ranges().map(|(r, _)| r).collect();
|
||
let run_of = |off: usize| runs.iter().position(|r| r.contains(&off));
|
||
let mut out: Vec<(usize, usize, String, Option<usize>)> = Vec::new();
|
||
for (&(start, c), new) in chars.iter().zip(conv) {
|
||
let end = start + c.len_utf8();
|
||
let mut buf = [0u8; 4];
|
||
if new.as_str() == c.encode_utf8(&mut buf) {
|
||
continue;
|
||
}
|
||
let run = run_of(start);
|
||
match out.last_mut() {
|
||
Some(g) if g.1 == start && g.3 == run => {
|
||
g.1 = end;
|
||
g.2.push_str(new);
|
||
}
|
||
_ => out.push((start, end, new.clone(), run)),
|
||
}
|
||
}
|
||
out.into_iter().map(|(a, b, n, _)| (a, b, n)).collect()
|
||
}
|
||
|
||
/// Where `off` lands after the stretches `(start, end, new_len)` (text order) were replaced;
|
||
/// an offset inside a stretch moves to its end.
|
||
fn map_offset(spans: &[(usize, usize, usize)], off: usize) -> usize {
|
||
let mut out = off;
|
||
for &(start, end, new_len) in spans {
|
||
if end <= off {
|
||
out = out.saturating_sub(end.saturating_sub(start)).saturating_add(new_len);
|
||
} else if start < off {
|
||
out = out.saturating_sub(off - start).saturating_add(new_len);
|
||
}
|
||
}
|
||
out
|
||
}
|
||
|
||
fn is_title(t: &str) -> bool {
|
||
t.split_whitespace().all(|w| w.chars().next().is_some_and(char::is_uppercase))
|
||
}
|
||
|
||
#[cfg(test)]
|
||
fn convert(src: &str, mode: &str, para_start: bool) -> String {
|
||
let turkic = vec![false; src.chars().count()];
|
||
convert_chars(src, mode, para_start, &turkic).concat()
|
||
}
|
||
|
||
/// The case-converted form of each character of `src`, in order (one entry per char, so a
|
||
/// change of length such as ß → SS or İ → i̇ can be applied run by run). `turkic` is one flag
|
||
/// per char: true when that character's run is Turkish, Azerbaijani or Crimean Tatar.
|
||
fn convert_chars(src: &str, mode: &str, para_start: bool, turkic: &[bool]) -> Vec<String> {
|
||
let chars: Vec<char> = src.chars().collect();
|
||
// Greek capital sigma lowers to the final form at the end of a word (as `str::to_lowercase`).
|
||
let lower = |i: usize, c: char| -> String {
|
||
let prev = i.checked_sub(1).and_then(|j| chars.get(j)).is_some_and(|p| p.is_alphabetic());
|
||
let next = chars.get(i + 1).is_some_and(|n| n.is_alphabetic());
|
||
if c == 'Σ' && prev && !next {
|
||
"ς".to_string()
|
||
} else if turkic.get(i).copied().unwrap_or(false) {
|
||
lower_char(c, true)
|
||
} else {
|
||
c.to_lowercase().collect()
|
||
}
|
||
};
|
||
// Title case capitalises the first word of any selection; sentence case only at a paragraph start.
|
||
let mut up = mode == "title" || para_start;
|
||
let mut out = Vec::with_capacity(chars.len());
|
||
for (i, &c) in chars.iter().enumerate() {
|
||
let turkic = turkic.get(i).copied().unwrap_or(false);
|
||
let upper = |c: char| upper_char(c, turkic);
|
||
let new = match mode {
|
||
"upper" => upper(c),
|
||
"lower" => lower(i, c),
|
||
"toggle" => {
|
||
if c.is_uppercase() {
|
||
lower(i, c)
|
||
} else {
|
||
upper(c)
|
||
}
|
||
}
|
||
"title" => {
|
||
let n = if up && c.is_alphabetic() {
|
||
up = false;
|
||
upper(c)
|
||
} else {
|
||
lower(i, c)
|
||
};
|
||
if c.is_whitespace() {
|
||
up = true;
|
||
}
|
||
n
|
||
}
|
||
_ => {
|
||
// Sentence case.
|
||
let n = if up && c.is_alphabetic() {
|
||
up = false;
|
||
upper(c)
|
||
} else {
|
||
lower(i, c)
|
||
};
|
||
let is_decimal = c == '.'
|
||
&& i.checked_sub(1).and_then(|j| chars.get(j)).is_some_and(|p| p.is_ascii_digit())
|
||
&& chars.get(i + 1).is_some_and(|n| n.is_ascii_digit());
|
||
if matches!(c, '!' | '?') || (c == '.' && !is_decimal) {
|
||
up = true;
|
||
}
|
||
n
|
||
}
|
||
};
|
||
out.push(new);
|
||
}
|
||
out
|
||
}
|
||
|
||
/// `format.clear` (Clear All Formatting): direct character formatting off and the paragraphs back
|
||
/// to Normal, for the selection or a selected text box's text; at a caret, for what's typed next.
|
||
fn clear(s: &mut Session, _: &Value) -> CmdResult {
|
||
match selected_text_box(s).or_else(|| target(s)) {
|
||
Some((a, b)) => {
|
||
s.doc.format_range(&a, &b, &|c| *c = c.cleared())?;
|
||
// Clear Formatting also resets the paragraph to Normal.
|
||
s.doc.format_paragraphs(&a, &b, &|p| {
|
||
let num = p.numbering;
|
||
*p = Default::default();
|
||
p.numbering = num.filter(|_| false);
|
||
})?;
|
||
}
|
||
None => {
|
||
s.pending = Some(CharProps::default());
|
||
let f = s.sel.focus.clone();
|
||
s.doc.format_paragraphs(&f, &f, &|p| *p = Default::default())?;
|
||
}
|
||
}
|
||
sel_result(s)
|
||
}
|
||
|
||
/// Remove direct character formatting, keeping the paragraph and any character style.
|
||
fn reset_char(s: &mut Session, _: &Value) -> CmdResult {
|
||
match selected_text_box(s).or_else(|| target(s)) {
|
||
Some((a, b)) => s.doc.format_range(&a, &b, &|c| *c = CharProps { style: c.style.clone(), ..c.cleared() })?,
|
||
None => s.pending = Some(CharProps::default()),
|
||
}
|
||
sel_result(s)
|
||
}
|
||
|
||
fn char_style(s: &mut Session, v: &Value) -> CmdResult {
|
||
let st = p::req_str(v, "style")?;
|
||
let id = s.doc.styles.find(st).map(|x| x.id.clone()).ok_or_else(|| CmdError::Params(format!("no style `{st}`")))?;
|
||
apply(s, &|c| c.style = Some(id.clone()))
|
||
}
|
||
|
||
fn set(s: &mut Session, v: &Value) -> CmdResult {
|
||
let mut props: CharProps = serde_json::from_value(v.get("props").cloned().unwrap_or(Value::Null)).map_err(|e| CmdError::Params(e.to_string()))?;
|
||
// The font dialog and callers supplying one value format both scripts. Explicit
|
||
// complex-script values still take precedence; importing a DOCX never uses this command.
|
||
props.size_cs = props.size_cs.or(props.size);
|
||
props.bold_cs = props.bold_cs.or(props.bold);
|
||
props.italic_cs = props.italic_cs.or(props.italic);
|
||
apply(s, &|c| c.overlay(&props))
|
||
}
|
||
|
||
/// What the ribbon shows: the formatting at the selection (mixed values are null).
|
||
pub fn state(s: &Session) -> Value {
|
||
let all = resolved(s);
|
||
let first = all.first().cloned();
|
||
let same = |f: &dyn Fn(&ResolvedChar) -> Value| -> Value {
|
||
let Some(r) = &first else { return Value::Null };
|
||
let v0 = f(r);
|
||
if all.iter().all(|r| f(r) == v0) { v0 } else { Value::Null }
|
||
};
|
||
// A selected text box shows its own (first) paragraph's style, like its text's formatting.
|
||
let at = selected_text_box(s).map_or_else(|| s.sel.focus.clone(), |(a, _)| a);
|
||
let style = s.doc.para_at(&at).and_then(|p| p.props.style.clone()).unwrap_or_else(|| "Normal".into());
|
||
let style_name = s.doc.styles.get(&style).map(|st| st.name.clone()).unwrap_or(style.clone());
|
||
json!({
|
||
"font": same(&|r| json!(r.font)),
|
||
"fontEastAsia": same(&|r| json!(r.font_ea)),
|
||
"size": same(&|r| json!(r.size)),
|
||
"bold": all.iter().all(|r| r.bold),
|
||
"italic": all.iter().all(|r| r.italic),
|
||
"underline": all.iter().all(|r| r.underline != Underline::None),
|
||
"underlineColor": same(&|r| json!(r.underline_color.map_or_else(|| "auto".to_string(), |c| c.hex()))),
|
||
"strike": all.iter().all(|r| r.strike),
|
||
"border": all.iter().all(|r| r.border.is_some()),
|
||
"subscript": all.iter().all(|r| r.vert_align == VertAlign::Subscript),
|
||
"superscript": all.iter().all(|r| r.vert_align == VertAlign::Superscript),
|
||
"smallCaps": all.iter().all(|r| r.small_caps),
|
||
"caps": all.iter().all(|r| r.caps),
|
||
"hidden": all.iter().all(|r| r.hidden),
|
||
"spacing": same(&|r| json!(r.spacing)),
|
||
// Kerning for fonts: the smallest kerned size, points; 0 = off.
|
||
"kern": same(&|r| json!(r.kern)),
|
||
"color": same(&|r| json!(match r.color { TextColor::Auto => "auto".to_string(), TextColor::Rgb(c) => c.hex() })),
|
||
"highlight": same(&|r| json!(r.highlight.map(|c| c.hex()))),
|
||
"style": style,
|
||
"styleName": style_name,
|
||
// The proofing language (a BCP 47 tag; null when mixed or unset) and "Do not check".
|
||
"lang": same(&|r| json!(r.lang)),
|
||
"noProof": all.iter().all(|r| r.no_proof),
|
||
})
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::convert;
|
||
|
||
#[test]
|
||
fn case_conversions() {
|
||
assert_eq!(convert("hello world. again", "sentence", true), "Hello world. Again");
|
||
assert_eq!(convert("hello WORLD", "title", true), "Hello World");
|
||
assert_eq!(convert("Hello", "toggle", true), "hELLO");
|
||
assert_eq!(convert("straße", "upper", true), "STRASSE");
|
||
assert_eq!(convert("hello world", "title", false), "Hello World");
|
||
assert_eq!(convert("ΣΟΦΟΣ ΟΔΟΣ", "lower", true), "σοφος οδος");
|
||
}
|
||
|
||
#[test]
|
||
fn sentence_case_ignores_decimal_points() {
|
||
// #3485: A period between two digits is a decimal point, not a sentence boundary.
|
||
assert_eq!(convert("one 3.14 apples and two 2.5 pears.", "sentence", true), "One 3.14 apples and two 2.5 pears.");
|
||
assert_eq!(convert("pi is 3.14. next sentence.", "sentence", true), "Pi is 3.14. Next sentence.");
|
||
}
|
||
}
|
||
|
||
/// What Enclose Characters works on: the selected text (one full-width or up to two half-width
|
||
/// characters), or enclosed characters already there (selected, or beside the caret).
|
||
#[derive(Clone, Debug, PartialEq)]
|
||
pub struct EncloseTarget {
|
||
/// The range to replace.
|
||
pub from: Pos,
|
||
pub to: Pos,
|
||
pub text: String,
|
||
pub props: CharProps,
|
||
/// The enclosure there now.
|
||
pub current: Option<Enclosure>,
|
||
}
|
||
|
||
/// The selection as Enclose Characters sees it (an error says why it can't be enclosed).
|
||
pub fn enclose_target(s: &Session) -> Result<EncloseTarget, CmdError> {
|
||
use wordcraft_doc::para::OBJ;
|
||
let (a, b) = s.sel.ordered();
|
||
if a.story != b.story || a.path != b.path {
|
||
return Err(CmdError::Failed("select characters within one paragraph".into()));
|
||
}
|
||
let para = s.doc.para_at(&a).ok_or_else(|| CmdError::Failed("no paragraph at the selection".into()))?;
|
||
let enclosed = |off: usize| -> Option<EncloseTarget> {
|
||
let Some(wordcraft_doc::InlineObject::Field { instr, .. }) = para.object_at(off) else { return None };
|
||
let e = Enclosure::parse(instr)?;
|
||
let end = off + OBJ.len_utf8();
|
||
Some(EncloseTarget {
|
||
from: Pos { off, ..a.clone() },
|
||
to: Pos { off: end, ..a.clone() },
|
||
text: e.text.clone(),
|
||
props: para.props_at(end).clone(),
|
||
current: Some(e),
|
||
})
|
||
};
|
||
if a.off == b.off {
|
||
// A caret just after (or before) enclosed characters.
|
||
let before = para.text.get(..a.off).and_then(|t| t.chars().next_back()).filter(|c| *c == OBJ).map(|c| a.off - c.len_utf8());
|
||
return before.and_then(enclosed).or_else(|| enclosed(a.off)).ok_or_else(|| CmdError::Failed("select the characters to enclose".into()));
|
||
}
|
||
let text = para.text.get(a.off..b.off).ok_or_else(|| CmdError::Failed("bad selection".into()))?;
|
||
if text == OBJ.to_string()
|
||
&& let Some(t) = enclosed(a.off)
|
||
{
|
||
return Ok(t);
|
||
}
|
||
if !wordcraft_doc::eq::fits_enclosure(text) {
|
||
return Err(CmdError::Failed("select one full-width character or up to two half-width characters".into()));
|
||
}
|
||
let first = text.chars().next().map(char::len_utf8).unwrap_or(0);
|
||
Ok(EncloseTarget { from: a.clone(), to: b, text: text.to_string(), props: para.props_at(a.off + first).clone(), current: None })
|
||
}
|
||
|
||
/// Home › Font › Enclose Characters: put the selected character(s) in a circle, square, triangle
|
||
/// or diamond (an `EQ \o` field, see [`wordcraft_doc::eq`]), or (`shape: null`) take them out.
|
||
fn enclose(s: &mut Session, v: &Value) -> CmdResult {
|
||
let shape = match v.get("shape") {
|
||
None => return Err(CmdError::Params("`shape` is required: circle, square, triangle, diamond, or null to remove".into())),
|
||
Some(Value::Null) => None,
|
||
Some(x) => {
|
||
Some(x.as_str().and_then(EncloseShape::parse).ok_or_else(|| CmdError::Params("shape: circle|square|triangle|diamond|null".into()))?)
|
||
}
|
||
};
|
||
let style = match p::str(v, "style") {
|
||
Some(x) => Some(EncloseStyle::parse(x).ok_or_else(|| CmdError::Params("style: shrink|enlarge".into()))?),
|
||
None => None,
|
||
};
|
||
// Text typed in the dialog replaces the selection's (or goes in at the caret).
|
||
let given = match p::str(v, "text") {
|
||
Some(t) if shape.is_some() && !wordcraft_doc::eq::fits_enclosure(t) => {
|
||
return Err(CmdError::Params("text: one full-width character or up to two half-width characters".into()));
|
||
}
|
||
Some(t) if shape.is_some() => Some(t.to_string()),
|
||
_ => None,
|
||
};
|
||
let t = match (enclose_target(s), given) {
|
||
(Ok(t), None) => t,
|
||
(Ok(t), Some(text)) => EncloseTarget { text, ..t },
|
||
(Err(_), Some(text)) if s.sel.anchor == s.sel.focus => {
|
||
let at = s.sel.focus.clone();
|
||
EncloseTarget { from: at.clone(), to: at, text, props: s.typing_props(), current: None }
|
||
}
|
||
(Err(e), _) => return Err(e),
|
||
};
|
||
if shape.is_none() && t.current.is_none() {
|
||
return Err(CmdError::Failed("no enclosed characters at the selection".into()));
|
||
}
|
||
s.sel = crate::Selection { anchor: t.from.clone(), focus: t.to.clone() };
|
||
let at = super::delete_selection(s)?;
|
||
let end = match shape {
|
||
Some(shape) => {
|
||
let style = style.or(t.current.as_ref().map(|e| e.style)).unwrap_or_default();
|
||
let e = Enclosure { shape, style, text: t.text.clone() };
|
||
let obj = wordcraft_doc::InlineObject::Field {
|
||
instr: e.instr(),
|
||
result: t.text,
|
||
locked: false,
|
||
dirty: false,
|
||
code: false,
|
||
form: String::new(),
|
||
};
|
||
s.doc.insert_object(&at, obj, &t.props)?
|
||
}
|
||
None => s.doc.insert_text(&at, &t.text, &t.props)?,
|
||
};
|
||
s.sel = crate::Selection { anchor: at, focus: end };
|
||
sel_result(s)
|
||
}
|