Character and Paragraph Styles: Alt-click on New asks for the new style's name

Squashed from #4402 onto main.

crates/ui-egui/src/dialogs/new_text_style.rs

@@ -0,0 +1,60 @@
+//! New Character Style and New Paragraph Style: the new style's name. OK makes the style from the
+//! text that was selected when the dialog opened (`charStyle.new`, `paraStyle.new`).
+//!
+//! Fields: `name`, `__para` (true for a paragraph style) and `__target` (the `id`, `start` and
+//! `end` of the Type tool's selection, empty for the selected objects, and the `attrs` that text had
+//! when the dialog opened).
+
+use serde_json::{Value, json};
+
+use super::swatch_options::{grid, label};
+use super::{DialogSpec, form};
+use crate::VectorcraftApp;
+use crate::state::Dialog;
+
+/// The dialog kind of New Character Style and New Paragraph Style.
+pub const KIND: &str = "newTextStyle";
+
+pub(super) const SPEC: DialogSpec = DialogSpec { heading, body, confirm, min_width: 320.0, ..DialogSpec::FORM };
+
+fn para(d: &Dialog) -> bool {
+    d.fields.get("__para").and_then(Value::as_bool).unwrap_or(false)
+}
+
+fn heading(d: &Dialog) -> String {
+    if para(d) { tl!("New Paragraph Style") } else { tl!("New Character Style") }.into()
+}
+
+/// Open New Character Style (`para`: New Paragraph Style) with the name `charStyle.new` would give
+/// the style, to make it from the text `target` names.
+pub fn open(app: &mut VectorcraftApp, para: bool, target: Value) -> Result<Value, String> {
+    let d = &app.session.active().ok_or("no document open")?.doc;
+    let name = vectorcraft_engine::cmd::textstyles::new_style_name(d, para);
+    let mut target = target;
+    if let Some(attrs) = vectorcraft_engine::cmd::textstyles::target_style_attrs(&app.session, &target, para) {
+        target["attrs"] = Value::Object(attrs);
+    }
+    app.ui.dialog = Some(Dialog::new(KIND, json!({ "name": name, "__para": para, "__target": target })));
+    Ok(json!({ "dialog": KIND }))
+}
+
+fn body(_: &mut VectorcraftApp, ui: &mut egui::Ui, d: &mut Dialog) -> bool {
+    grid(ui, |ui| {
+        label(ui, tl!("Style Name:"));
+        form::text(ui, d, "name", 190.0);
+        ui.end_row();
+    });
+    false
+}
+
+/// OK: make the style with the name. A name another style has, or an empty one, keeps the dialog
+/// open.
+fn confirm(app: &mut VectorcraftApp, d: &Dialog) -> Result<Value, String> {
+    let mut params = d.fields.get("__target").filter(|t| t.is_object()).cloned().unwrap_or_else(|| json!({}));
+    params["name"] = json!(d.str("name"));
+    let r = app.run(if para(d) { "paraStyle.new" } else { "charStyle.new" }, params);
+    if r.is_ok() {
+        app.ui.dialog = None;
+    }
+    r
+}

crates/ui-egui/src/dialogs/tests.rs

@@ -393,6 +393,7 @@ fn dialogs_do_not_stretch_to_the_screen() {
         ("ui.swatchOptions", json!({"name": "White"})),
         ("ui.colorPicker", json!({})),
         ("ui.graphicStyleOptions", json!({})),
+        ("ui.newCharStyle", json!({})),
         ("ui.newArtboard", json!({})),
         ("ui.brushOptions", json!({"name": "3 pt. Round"})),
         ("ui.brushOptions", json!({"name": "Bristle Round"})),