Fix #530: Edit Artboards adds, deletes and leaves artboards from Properties

The Properties panel's Edit Artboards turned on the Artboard tool but the
panel went on showing the document's sections, with no way there to add
an artboard (only dragging on the canvas, which the hint bar names, or
the Artboards panel's button). While the Artboard tool is on, the panel
now shows the active artboard: its name and X, Y, W and H (editable,
artboard.setProps), New Artboard (which becomes the active one), Delete
Artboard (with more than one), and Exit back to the Selection tool.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ROADMAP.md

@@ -4,7 +4,7 @@ VectorCraft is a clean-room, open-source, pure-Rust reimplementation of the Adob
 
 This file tracks **how far we are and what's left**. Time estimates are wall-clock hours of continuous Claude Opus 5.5 agent work (including builds and the CI gate), given both for **one agent** and for **4–6 parallel agents** on disjoint crates. They are counted from the remaining work (see [Parity estimate](#parity-estimate)), calibrated against measured throughput, and updated as work lands.
 
-_Last updated: 2026-10-09 (after M4.14–M4.98, M8.1–M8.20, M14.4–M14.7, the MCP prompts, resource templates, completions and logging, the 2026-10-07 issue fixes, the Layers panel rework and the 2026-10-08 community contributions: Pen and shape-tool modifiers, path editing, Layers, Artboards, Swatches/Brushes and dialogs, Japanese composition and PDF text, Hebrew/Arabic type, interface languages (Spanish among them), the font menu, saved selections, MCP and EPS, the missing-font export warning (#319), open paths in the Shape Builder (#374), PDF/`.ai` import keeping strokes live and hidden and nested layers (#372), per-corner Live Corners (#381), SVG type opening at the size it draws at (#396), the Wayland clipboard with copied-file paste (#398), ruler guides that can be selected, moved and deleted (#414), two batches of Preferences options that were stored but unused (#394), skeleton reads with `document.find` for large documents over MCP (#416) and anchors dragged with Direct Selection snapping to points, segments and smart guides, clipped SVG layers opening as clipping layers (#420), PDF/`.ai` layers read on pages of tens of millions of operators (#419), Document Color Mode putting RGB greys on the black plate on request and converting pattern tiles (#421) and movable dialogs with Offset Path's Joins dropdown (#423) and numeric fields scrubbed by dragging their label (#400), stroke weight presets in the stroke unit (#426), the Appearance panel's Opacity popup (#430), type on a path brackets, flip and Type on a Path Options that keep the type in place (#429), Layers rows dragged with a ghost and dropped on the trash or New Layer (#435), tool flyouts opening on a right or corner press (#436), tool flyouts torn off into floating toolbars (#437), the Shape Builder's erase mode deleting edges too (#439), installed fonts registered outside the font folders and fonts installed while the app runs listed in the font menus (#443), alike circular corners on rectangles that aren't square (#442), tool cursors as OS cursors so the pointer no longer trails over the canvas (#444), artboards copied and pasted with their art (#446), guides dragged out of the rulers snapping to the art's side midpoints and the artboards, artboard guides (#451), the toolbar's double arrow and Window › Toolbars › Double Column switching between one and two columns in any window height (#455), the Smart Guides display options and Snapping Tolerance (#394), Font Size and Leading combo boxes with preset lists in the Character and Properties panels and the Control bar (#458), screenshots pasted from the clipboard on macOS, Windows and the web (#457), the Properties panel's Fill and Stroke matching the Control bar's, Illustrator's Window menu panel keys (Shift+F7 for Align…) and Alt-wheel zoom whatever the wheel preference (Discord feedback), the point/area type widget (Discord feedback), groups in legacy Illustrator .ai files (Discord feedback), a rotating desktop log file (#465), image controls in the Control bar and Properties panel: Image Trace with its presets, Mask, Crop Image, Embed/Unembed, and an Image Trace object's preset, Expand and Release (Discord feedback), the Pen working as the Anchor Point tool with Alt held over a selected path's handles and anchors, and anchor buttons that convert, connect and cut paths at the selected anchors (Discord feedback), Japanese hanging punctuation (burasagari, #463), Escape leaving Presentation Mode with no screen mode saved across restarts, documents dropped on the desktop app opening as tabs of their own and a note that an `.ai` file's art off its artboards isn't in the part read (#472), Add/Delete Anchor Point tool icons drawn from the Pen tool's (#479), EPS import running more of PostScript Level 3 (patterns, Type 3 fonts, mesh shadings, masked images, VM and resource probes), and a preview that stands in saying why (Discord feedback, #466, #469, #474), chords with modifiers recorded in Edit › Keyboard Shortcuts (#487), Type Object Selection by Path Only (#394), Anti-aliased Artwork (#394), Show Pixel Grid (#394), pen and touch taps pressed and lifted within one frame clicking where they tapped and the Linux/Wayland pen-tablet workaround (#491), bounding-box resizes landing on the other objects' anchors and centres with labels, and the Rotate, Scale, Shear and Reflect tools snapping their drags (#482), Shift-drag marquees that toggle the objects or anchors they reach and a Lasso whose Alt subtraction keeps the rest of the selection (#483), the mouse wheel stepping the focused numeric field, the dialogs' and preferences' drag values made such fields (#485), Show The Home Screen When No Documents Are Open (#394), Numbers Without Units Are Points (#394), Auto-Collapse Iconic Panels (#394), the Contextual Task Bar moved by its handle and its More Options menu pinning and resetting its position, a designed macOS DMG window (#493), panels, panel groups and the Tools panel undocking into flLine truncated
+_Last updated: 2026-10-09 (after M4.14–M4.98, M8.1–M8.20, M14.4–M14.7, the MCP prompts, resource templates, completions and logging, the 2026-10-07 issue fixes, the Layers panel rework and the 2026-10-08 community contributions: Pen and shape-tool modifiers, path editing, Layers, Artboards, Swatches/Brushes and dialogs, Japanese composition and PDF text, Hebrew/Arabic type, interface languages (Spanish among them), the font menu, saved selections, MCP and EPS, the missing-font export warning (#319), open paths in the Shape Builder (#374), PDF/`.ai` import keeping strokes live and hidden and nested layers (#372), per-corner Live Corners (#381), SVG type opening at the size it draws at (#396), the Wayland clipboard with copied-file paste (#398), ruler guides that can be selected, moved and deleted (#414), two batches of Preferences options that were stored but unused (#394), skeleton reads with `document.find` for large documents over MCP (#416) and anchors dragged with Direct Selection snapping to points, segments and smart guides, clipped SVG layers opening as clipping layers (#420), PDF/`.ai` layers read on pages of tens of millions of operators (#419), Document Color Mode putting RGB greys on the black plate on request and converting pattern tiles (#421) and movable dialogs with Offset Path's Joins dropdown (#423) and numeric fields scrubbed by dragging their label (#400), stroke weight presets in the stroke unit (#426), the Appearance panel's Opacity popup (#430), type on a path brackets, flip and Type on a Path Options that keep the type in place (#429), Layers rows dragged with a ghost and dropped on the trash or New Layer (#435), tool flyouts opening on a right or corner press (#436), tool flyouts torn off into floating toolbars (#437), the Shape Builder's erase mode deleting edges too (#439), installed fonts registered outside the font folders and fonts installed while the app runs listed in the font menus (#443), alike circular corners on rectangles that aren't square (#442), tool cursors as OS cursors so the pointer no longer trails over the canvas (#444), artboards copied and pasted with their art (#446), guides dragged out of the rulers snapping to the art's side midpoints and the artboards, artboard guides (#451), the toolbar's double arrow and Window › Toolbars › Double Column switching between one and two columns in any window height (#455), the Smart Guides display options and Snapping Tolerance (#394), Font Size and Leading combo boxes with preset lists in the Character and Properties panels and the Control bar (#458), screenshots pasted from the clipboard on macOS, Windows and the web (#457), the Properties panel's Fill and Stroke matching the Control bar's, Illustrator's Window menu panel keys (Shift+F7 for Align…) and Alt-wheel zoom whatever the wheel preference (Discord feedback), the point/area type widget (Discord feedback), groups in legacy Illustrator .ai files (Discord feedback), a rotating desktop log file (#465), image controls in the Control bar and Properties panel: Image Trace with its presets, Mask, Crop Image, Embed/Unembed, and an Image Trace object's preset, Expand and Release (Discord feedback), the Pen working as the Anchor Point tool with Alt held over a selected path's handles and anchors, and anchor buttons that convert, connect and cut paths at the selected anchors (Discord feedback), Japanese hanging punctuation (burasagari, #463), Escape leaving Presentation Mode with no screen mode saved across restarts, documents dropped on the desktop app opening as tabs of their own and a note that an `.ai` file's art off its artboards isn't in the part read (#472), Add/Delete Anchor Point tool icons drawn from the Pen tool's (#479), EPS import running more of PostScript Level 3 (patterns, Type 3 fonts, mesh shadings, masked images, VM and resource probes), and a preview that stands in saying why (Discord feedback, #466, #469, #474), chords with modifiers recorded in Edit › Keyboard Shortcuts (#487), Type Object Selection by Path Only (#394), Anti-aliased Artwork (#394), Show Pixel Grid (#394), pen and touch taps pressed and lifted within one frame clicking where they tapped and the Linux/Wayland pen-tablet workaround (#491), bounding-box resizes landing on the other objects' anchors and centres with labels, and the Rotate, Scale, Shear and Reflect tools snapping their drags (#482), Shift-drag marquees that toggle the objects or anchors they reach and a Lasso whose Alt subtraction keeps the rest of the selection (#483), the mouse wheel stepping the focused numeric field, the dialogs' and preferences' drag values made such fields (#485), Show The Home Screen When No Documents Are Open (#394), Numbers Without Units Are Points (#394), Auto-Collapse Iconic Panels (#394), the Contextual Task Bar moved by its handle and its More Options menu pinning and resetting its position, a designed macOS DMG window (#493), panels, panel groups and the Tools panel undocking into flLine truncated
 
 ## Where we are
 

crates/ui-egui/src/font_menu.rs

@@ -307,12 +307,10 @@ fn list(ui: &mut Ui, state_id: egui::Id, st: &mut MenuState, current: &str, samp
         widgets::dim_label(ui, tl!("No matching fonts"));
         return None;
     }
-    // The rows: only those in view are laid out (there are thousands of families). The list fills
-    // what the popup shows below the filters (its clip: the popup doesn't grow past its own size,
-    // and a taller list would scroll inside a scrolling popup), down to the window's bottom.
-    const BOTTOM_GAP: f32 = 12.0;
-    let bottom = ui.clip_rect().bottom().min(ui.ctx().content_rect().bottom() - BOTTOM_GAP);
-    let room = (bottom - ui.next_widget_position().y).max(120.0);
+    // The rows: only those in view are laid out (there are thousands of families). The list is
+    // the menu's one scrolling part, under the search field and filters (#555): it fills the
+    // menu's room (its max rect) below them.
+    let room = (ui.max_rect().bottom() - ui.next_widget_position().y).clamp(120.0, 600.0);
     let mut area = egui::ScrollArea::vertical().max_height(room).min_scrolled_height(room.min(row_h * rows.len() as f32));
     // The highlight in view: centred as the menu opens, scrolled just enough as the keys move it.
     if let Some(top) = st.highlight.map(|i| i as f32 * row_h) {

crates/ui-egui/src/i18n/es.tsv

@@ -1492,6 +1492,8 @@
 	New Art Brush from Selection	Nuevo pincel de arte a partir de la selección
 	New Art Has Basic Appearance	La nueva ilustración tiene apariencia básica
 	New Artboard	Nueva mesa de trabajo
+	Artboard	Mesa de trabajo
+	Exit	Salir
 	New Bristle Brush	Nuevo pincel de cerdas
 	New Brush…	Nuevo pincel…
 	New Calligraphic Brush	Nuevo pincel caligráfico

crates/ui-egui/src/i18n/it.tsv

@@ -1492,6 +1492,8 @@
 	New Art Brush from Selection	Nuovo pennello artistico dalla selezione
 	New Art Has Basic Appearance	La nuova grafica ha aspetto di base
 	New Artboard	Nuova tavola da disegno
+	Artboard	Tavola da disegno
+	Exit	Esci
 	New Bristle Brush	Nuovo pennello a setole
 	New Brush…	Nuovo pennello…
 	New Calligraphic Brush	Nuovo pennello calligrafico

crates/ui-egui/src/i18n/ja.tsv

@@ -1635,6 +1635,8 @@
 	New Art Brush from Selection	選択範囲から新規アートブラシ
 	New Art Has Basic Appearance	新規アートに基本アピアランスを使用
 	New Artboard	新規アートボード
+	Artboard	アートボード
+	Exit	終了
 	New Bristle Brush	新規剛毛ブラシ
 	New Brush…	新規ブラシ…
 	New Calligraphic Brush	新規絵筆ブラシ

crates/ui-egui/src/i18n/zh-hans.tsv

@@ -1469,6 +1469,7 @@
 	New Art Brush from Selection	从选区新建艺术画笔
 	New Art Has Basic Appearance	新建图稿使用基本外观
 	New Artboard	新建画板
+	Exit	退出
 	New Bristle Brush	新建鬃毛画笔
 	New Brush…	新建画笔…
 	New Calligraphic Brush	新建书法画笔

crates/ui-egui/src/i18n/zh-hant.tsv

@@ -1509,6 +1509,8 @@
 	New Art Brush from Selection	從選取範圍新增藝術筆刷
 	New Art Has Basic Appearance	新圖稿具有基本外觀
 	New Artboard	新增工作區域
+	Artboard	工作區域
+	Exit	結束
 	New Bristle Brush	新增鬃毛筆刷
 	New Brush…	新增筆刷…
 	New Calligraphic Brush	新增書法筆刷

crates/ui-egui/src/panels/artboards.rs

@@ -13,13 +13,13 @@ use crate::widgets::{self, menu_item};
 use crate::{VectorcraftApp, icons};
 
 /// The active artboard (of `n`).
-fn selected(app: &VectorcraftApp, n: usize) -> usize {
+pub(crate) fn selected(app: &VectorcraftApp, n: usize) -> usize {
     app.view().map_or(0, |v| v.artboard).min(n.saturating_sub(1))
 }
 
 /// Make artboard `i` the active one, leaving the view where it is: the navigator's and, while it
 /// is the tool, the Artboard tool's.
-fn select(app: &mut VectorcraftApp, i: usize) {
+pub(crate) fn select(app: &mut VectorcraftApp, i: usize) {
     if let Some(v) = app.view_mut() {
         v.artboard = i;
     }

crates/ui-egui/src/panels/properties.rs

@@ -18,7 +18,10 @@ pub fn show(app: &mut VectorcraftApp, ui: &mut Ui) {
     let n_sel = st.selection.len();
     let anchors = crate::chrome::anchor_controls(app);
     let first = first_selected(app);
+    // Edit Artboards (the Artboard tool): the active artboard, whatever is selected.
+    let editing_artboards = app.session.tool_id() == "artboard";
     let label = match (&first, n_sel) {
+        _ if editing_artboards => tl!("Artboard").to_string(),
         (None, _) => tl!("Document").to_string(),
         (_, n) if n > 1 => crate::i18n::tn(n as u64, "{n} Object", "{n} Objects"),
         (Some(n), _) if crate::panels::image_trace::is_trace(n) => tl!("Image Tracing").to_string(),
@@ -26,6 +29,10 @@ pub fn show(app: &mut VectorcraftApp, ui: &mut Ui) {
     };
     ui.label(egui::RichText::new(label).size(11.5).color(t.text_dim));
     ui.add_space(4.0);
+    if editing_artboards {
+        artboard_sections(app, ui);
+        return;
+    }
     if first.is_none() {
         document_sections(app, ui);
         return;
@@ -188,6 +195,48 @@ fn multi_color(app: &mut VectorcraftApp, ctx: &egui::Context) -> bool {
     }
 }
 
+/// Edit Artboards (the Artboard tool): the active artboard's name, position and size, New Artboard
+/// and Delete Artboard, and Exit back to the Selection tool (#530).
+fn artboard_sections(app: &mut VectorcraftApp, ui: &mut Ui) {
+    let units = app.session.general_unit();
+    let n = app.session.active().map_or(0, |d| d.doc.artboards.len());
+    let i = super::artboards::selected(app, n);
+    if let Some(ab) = app.session.active().and_then(|d| d.doc.artboards.get(i)).cloned() {
+        // Its name as it is (names are never translated).
+        ui.label(egui::RichText::new(&ab.name).size(13.0).color(Tokens::get(ui.ctx()).text));
+        let fw = ((ui.available_width() - 50.0) / 2.0).clamp(60.0, 110.0);
+        egui::Grid::new("ab-grid").num_columns(4).spacing([4.0, 6.0]).min_col_width(0.0).show(ui, |ui| {
+            let r = ab.rect;
+            for (row, [(l1, k1, v1), (l2, k2, v2)]) in
+                [[("X:", "x", r.x0), ("W:", "width", r.width())], [("Y:", "y", r.y0), ("H:", "height", r.height())]].into_iter().enumerate()
+            {
+                for (label, key, v) in [(l1, k1, v1), (l2, k2, v2)] {
+                    dim_label(ui, label);
+                    if let Some(v) = widgets::num_field(ui, ("ab", key, row), Some(v), units, fw) {
+                        app.run("artboard.setProps", json!({"index": i, key: v})).ok();
+                    }
+                }
+                ui.end_row();
+            }
+        });
+    }
+    ui.add_space(4.0);
+    let w = (ui.available_width() - 6.0) / 2.0;
+    ui.horizontal(|ui| {
+        if widgets::flat_button(ui, tl!("New Artboard"), w).clicked() && app.run("artboard.new", json!({})).is_ok() {
+            super::artboards::select(app, n);
+        }
+        if ui.add_enabled_ui(n > 1, |ui| widgets::flat_button(ui, tl!("Delete Artboard"), w)).inner.clicked() {
+            app.run("artboard.delete", json!({"index": i})).ok();
+        }
+    });
+    divider(ui);
+    section_header(ui, tl!("Quick Actions"));
+    if widgets::flat_button(ui, tl!("Exit"), w).clicked() {
+        app.select_tool("selection");
+    }
+}
+
 fn document_sections(app: &mut VectorcraftApp, ui: &mut Ui) {
     let units = app.session.general_unit();
     section_header(ui, tl!("Document"));
@@ -416,3 +465,58 @@ pub fn type_sections(app: &mut VectorcraftApp, ui: &mut Ui) {
         }
     });
 }
+
+#[cfg(test)]
+mod tests {
+    use egui::{Event, PointerButton, Pos2, Rect, vec2};
+    use vectorcraft_engine::Session;
+
+    use super::*;
+
+    /// One frame of the panel with `events` → the texts painted, with their rects.
+    fn frame(app: &mut VectorcraftApp, ctx: &egui::Context, events: Vec<Event>) -> Vec<(String, Rect)> {
+        let raw = egui::RawInput { screen_rect: Some(Rect::from_min_size(Pos2::ZERO, vec2(300.0, 700.0))), events, ..Default::default() };
+        let mut out = ctx.run_ui(raw, |ui| show(app, ui));
+        out.textures_delta.clear();
+        out.shapes
+            .iter()
+            .filter_map(|s| {
+                if let egui::Shape::Text(t) = &s.shape {
+                    Some((t.galley.text().to_string(), Rect::from_min_size(t.pos, t.galley.size())))
+                } else {
+                    None
+                }
+            })
+            .collect()
+    }
+
+    fn click(app: &mut VectorcraftApp, ctx: &egui::Context, texts: &[(String, Rect)], label: &str) {
+        let at = texts.iter().find(|(t, _)| t == label).map(|(_, r)| r.center()).unwrap_or_else(|| panic!("no {label:?} in {texts:?}"));
+        let b = |pressed| Event::PointerButton { pos: at, button: PointerButton::Primary, pressed, modifiers: Default::default() };
+        frame(app, ctx, vec![Event::PointerMoved(at), b(true)]);
+        frame(app, ctx, vec![b(false)]);
+    }
+
+    /// #530: Edit Artboards shows the active artboard, with New Artboard, Delete Artboard and Exit.
+    #[test]
+    fn edit_artboards_adds_artboards_and_exits() {
+        let mut app = VectorcraftApp::new(Session::new(), Default::default());
+        app.run("file.new", json!({"width": 200, "height": 100})).unwrap();
+        let ctx = egui::Context::default();
+        let texts = frame(&mut app, &ctx, vec![]);
+        click(&mut app, &ctx, &texts, "Edit Artboards");
+        assert_eq!(app.session.tool_id(), "artboard");
+        let texts = frame(&mut app, &ctx, vec![]);
+        assert!(texts.iter().any(|(t, _)| t == "Artboard 1") && texts.iter().any(|(t, _)| t == "200 pt"), "{texts:?}");
+        click(&mut app, &ctx, &texts, "New Artboard");
+        let boards = |app: &VectorcraftApp| app.session.active().unwrap().doc.artboards.len();
+        assert_eq!(boards(&app), 2);
+        let texts = frame(&mut app, &ctx, vec![]);
+        assert!(texts.iter().any(|(t, _)| t == "Artboard 2"), "the new artboard is the active one: {texts:?}");
+        click(&mut app, &ctx, &texts, "Delete Artboard");
+        assert_eq!(boards(&app), 1);
+        let texts = frame(&mut app, &ctx, vec![]);
+        click(&mut app, &ctx, &texts, "Exit");
+        assert_eq!(app.session.tool_id(), "selection");
+    }
+}

crates/ui-egui/src/tests_font_menu.rs

@@ -270,3 +270,51 @@ fn menus_that_only_pick_a_font_leave_the_document_alone() {
     assert_eq!(picked(&mut app, Some(FontPick::Favorite("inter".into()))), None);
     assert!(app.ui.favorite_fonts.is_empty());
 }
+
+/// #555: the menu's search field and filters stay at its top while the wheel scrolls the families,
+/// past the list's end too: the list is the menu's one scrolling part.
+#[test]
+fn the_search_field_stays_put_while_the_list_scrolls() {
+    let ctx = egui::Context::default();
+    crate::theme::install_fonts(&ctx);
+    let frame = |events: Vec<egui::Event>| {
+        let input =
+            egui::RawInput { events, screen_rect: Some(egui::Rect::from_min_size(egui::Pos2::ZERO, egui::vec2(600.0, 500.0))), ..Default::default() };
+        let mut at = egui::Pos2::ZERO;
+        let mut out = ctx.run_ui(input, |ui| {
+            // Low in the window, as in a panel at the bottom of the dock: the menu opens upwards.
+            ui.add_space(390.0);
+            at = ui.next_widget_position();
+            font_menu(ui, "test-scroll", "Inter", 260.0, None, MenuLook::default());
+        });
+        out.textures_delta.clear();
+        let search = out.shapes.iter().find_map(|s| match &s.shape {
+            egui::Shape::Text(t) if t.galley.text() == "Search" => Some(t.pos),
+            _ => None,
+        });
+        (at, search)
+    };
+    let (at, _) = frame(vec![]);
+    let click = at + egui::vec2(40.0, 10.0);
+    let button = |pressed| egui::Event::PointerButton { pos: click, button: egui::PointerButton::Primary, pressed, modifiers: Default::default() };
+    frame(vec![egui::Event::PointerMoved(click), button(true)]);
+    frame(vec![button(false)]);
+    let mut field = None;
+    for _ in 0..5 {
+        field = frame(vec![]).1;
+    }
+    let field = field.expect("the search field shows");
+    let over_list = egui::pos2(field.x + 40.0, field.y + 120.0);
+    for dy in [-400.0, -4000.0, -4000.0] {
+        let wheel = egui::Event::MouseWheel {
+            unit: egui::MouseWheelUnit::Point,
+            delta: egui::vec2(0.0, dy),
+            modifiers: Default::default(),
+            phase: egui::TouchPhase::Move,
+        };
+        frame(vec![egui::Event::PointerMoved(over_list), wheel]);
+        for _ in 0..10 {
+            assert_eq!(frame(vec![]).1, Some(field), "the field stays where it was");
+        }
+    }
+}

crates/ui-egui/src/widgets.rs

@@ -655,11 +655,13 @@ pub(crate) fn combo<R>(
         .stroke(Stroke::new(1.0, t.input_border))
         .corner_radius(CornerRadius::same(3))
         .show(ui, |ui| {
+            if searchable {
+                return searchable_combo(ui, ui.id().with(id), current, width - 4.0, list);
+            }
             egui::ComboBox::from_id_salt(ui.id().with(id))
                 .selected_text(egui::RichText::new(current).size(12.0))
                 .width(width - 4.0)
-                .close_behavior(if searchable { egui::PopupCloseBehavior::CloseOnClickOutside } else { egui::PopupCloseBehavior::CloseOnClick })
-                .height(if searchable { f32::INFINITY } else { ui.spacing().combo_height })
+                .height(ui.spacing().combo_height)
                 .show_ui(ui, list)
                 .inner
                 .flatten()
@@ -667,6 +669,58 @@ pub(crate) fn combo<R>(
         .inner
 }
 
+/// A dropdown whose list keeps its own search field and scrolling rows (the font menu): drawn as
+/// egui's combo box, but in a popup without the scroll area egui puts around a combo's list, so
+/// the field stays at the top and only the rows scroll (#555). A click outside closes it.
+fn searchable_combo<R>(ui: &mut Ui, id: egui::Id, current: &str, width: f32, list: impl FnOnce(&mut Ui) -> Option<R>) -> Option<R> {
+    let popup = id.with("popup");
+    let open = egui::Popup::is_id_open(ui.ctx(), popup);
+    let pad = ui.spacing().button_padding;
+    let icon = Vec2::splat(ui.spacing().icon_width);
+    let galley = egui::WidgetText::from(egui::RichText::new(current).size(12.0)).into_galley(
+        ui,
+        Some(egui::TextWrapMode::Truncate),
+        width - 2.0 * pad.x - ui.spacing().icon_spacing - icon.x,
+        egui::TextStyle::Button,
+    );
+    let height = (galley.size().y.max(icon.y) + 2.0 * pad.y).max(ui.spacing().interact_size.y);
+    let (rect, resp) = ui.allocate_exact_size(vec2(width, height), Sense::click());
+    if ui.is_rect_visible(rect) {
+        let v = if open { ui.visuals().widgets.open } else { *ui.style().interact(&resp) };
+        ui.painter().rect(rect.expand(v.expansion), v.corner_radius, v.weak_bg_fill, v.bg_stroke, StrokeKind::Inside);
+        let inner = rect.shrink2(pad);
+        ui.painter().galley(egui::Align2::LEFT_CENTER.align_size_within_rect(galley.size(), inner).min, galley, v.text_color());
+        // egui's combo arrow: a downward triangle.
+        let arrow =
+            Rect::from_center_size(egui::Align2::RIGHT_CENTER.align_size_within_rect(icon, inner).center(), vec2(icon.x * 0.7, icon.y * 0.45));
+        ui.painter().add(egui::Shape::convex_polygon(
+            vec![arrow.left_top(), arrow.right_top(), arrow.center_bottom()],
+            v.fg_stroke.color,
+            Stroke::NONE,
+        ));
+    }
+    // It opens below the button, or above it when there is more room there, and the list gets
+    // the room left (the popup's frame aside).
+    const GAP: f32 = 12.0;
+    let screen = ui.ctx().content_rect();
+    let frame = ui.spacing().menu_margin.sum().y + GAP;
+    let (below, above) = (screen.bottom() - rect.bottom() - frame, rect.top() - screen.top() - frame);
+    let (align, room) = if below >= above { (egui::RectAlign::BOTTOM_START, below) } else { (egui::RectAlign::TOP_START, above) };
+    egui::Popup::menu(&resp)
+        .id(popup)
+        .width(rect.width())
+        .align(align)
+        .align_alternatives(&[])
+        .close_behavior(egui::PopupCloseBehavior::CloseOnClickOutside)
+        .show(|ui| {
+            ui.set_min_width(ui.available_width());
+            ui.set_max_height(room);
+            ui.style_mut().wrap_mode = Some(egui::TextWrapMode::Extend);
+            list(ui)
+        })
+        .and_then(|r| r.inner)
+}
+
 /// A popover anchored to `resp`, opened and closed by `toggle` (usually `resp.clicked()`), and
 /// closed by Escape, a click outside it and outside any popup it opened, or a frame in which its
 /// anchor isn't shown. Use it instead of `egui::Popup::menu` when the popover holds dropdowns or