Select tool: a multi-click selects only on the frame egui reports it, so a cleared selection (or the highlighter's marked word) isn't selected again

The highlighter test now clicks at a human pace, with frames in between, which is what exposed it.

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

crates/engine/src/dates.rs

@@ -56,7 +56,7 @@ const AR_DAYS: [&str; 7] = ["الأحد", "الاثنين", "الثلاثاء",
 
 /// The languages month and weekday names can be written in (Preferences ▸ Date format ▸ Language):
 /// the interface languages, in the same order and with the same names.
-pub const DATE_LANGUAGES: [DateLanguage; 21] = [
+pub static DATE_LANGUAGES: [DateLanguage; 21] = [
     DateLanguage {
         code: "en",
         name: "English",
@@ -297,8 +297,34 @@ pub const DATE_LANGUAGES: [DateLanguage; 21] = [
     DateLanguage {
         code: "el",
         name: "Ελληνικά",
-        months: ["Ιανουάριος", "Φεβρουάριος", "Μάρτιος", "Απρίλιος", "Μάιος", "Ιούνιος", "Ιούλιος", "Αύγουστος", "Σεπτέμβριος", "Οκτώβριος", "Νοέμβριος", "Δεκέμβριος"],
-        months_with_day: Some(["Ιανουαρίου", "Φεβρουαρίου", "Μαρτίου", "Απριλίου", "Μαΐου", "Ιουνίου", "Ιουλίου", "Αυγούστου", "Σεπτεμβρίου", "Οκτωβρίου", "Νοεμβρίου", "Δεκεμβρίου"]),
+        months: [
+            "Ιανουάριος",
+            "Φεβρουάριος",
+            "Μάρτιος",
+            "Απρίλιος",
+            "Μάιος",
+            "Ιούνιος",
+            "Ιούλιος",
+            "Αύγουστος",
+            "Σεπτέμβριος",
+            "Οκτώβριος",
+            "Νοέμβριος",
+            "Δεκέμβριος",
+        ],
+        months_with_day: Some([
+            "Ιανουαρίου",
+            "Φεβρουαρίου",
+            "Μαρτίου",
+            "Απριλίου",
+            "Μαΐου",
+            "Ιουνίου",
+            "Ιουλίου",
+            "Αυγούστου",
+            "Σεπτεμβρίου",
+            "Οκτωβρίου",
+            "Νοεμβρίου",
+            "Δεκεμβρίου",
+        ]),
         months_short: ["Ιαν", "Φεβ", "Μαρ", "Απρ", "Μαΐ", "Ιουν", "Ιουλ", "Αυγ", "Σεπ", "Οκτ", "Νοε", "Δεκ"],
         days: ["Κυριακή", "Δευτέρα", "Τρίτη", "Τετάρτη", "Πέμπτη", "Παρασκευή", "Σάββατο"],
         days_short: ["Κυρ", "Δευ", "Τρί", "Τετ", "Πέμ", "Παρ", "Σάβ"],

crates/ui-egui/src/canvas.rs

@@ -2684,7 +2684,10 @@ pub fn document_area(app: &mut PdfCraftApp, index: usize, ui: &mut egui::Ui) {
                         view.clicks = release_clicks;
                     }
                     let clicks = if view.clicks > 2 && tool != QuickTool::Select { 1 } else { view.clicks };
-                    if clicks >= 2 && over_text {
+                    // Only on the frame egui reports the multi-click: `view.clicks` outlives it, and
+                    // acting on every frame re-selected the word as soon as a selection was cleared
+                    // (a highlight made by the double-click left its word selected).
+                    if release_clicks > 0 && clicks >= 2 && over_text {
                         if view.selection.is_none() {
                             let span = text.nearest(vx, vy).and_then(|a| match clicks {
                                 2 => text.word_at(a),

crates/ui-egui/src/dialogs.rs

@@ -897,7 +897,9 @@ fn dialogs(app: &mut PdfCraftApp, ctx: &egui::Context) {
                 return;
             }
             Dialog::Preferences => {
-                close = crate::js_ui::preferences_body(ui, app, &t);
+                // The settings outgrow a short window: scroll them rather than run off the screen.
+                let max = (ui.ctx().content_rect().height() - 120.0).max(200.0);
+                close = egui::ScrollArea::vertical().max_height(max).show(ui, |ui| crate::js_ui::preferences_body(ui, app, &t)).inner;
                 return;
             }
             Dialog::RecognizeText => {

crates/ui-egui/src/i18n/mod.rs

@@ -1434,7 +1434,9 @@ mod tests {
         assert!(errors.is_empty(), "Turkish catalog errors: {errors:?}");
         for e in &entries {
             assert!(
-                e.source != e.translation || KEEP_AS_IS.contains(&e.source.as_str()) || (e.context == "key" && KEY_CAP_NAMES.contains(&e.source.as_str())),
+                e.source != e.translation
+                    || KEEP_AS_IS.contains(&e.source.as_str())
+                    || (e.context == "key" && KEY_CAP_NAMES.contains(&e.source.as_str())),
                 "{:?} is untranslated",
                 e.source
             );

crates/ui-egui/tests/date_format.rs

@@ -19,6 +19,9 @@ fn shows(h: &Harness<'static, PdfCraftApp>, text: &str) -> bool {
 }
 
 fn retype(h: &mut Harness<'static, PdfCraftApp>, text: &str) {
+    // The preferences scroll; bring the field into view before clicking it.
+    h.get_by_role_and_label(Role::TextInput, "Pattern").scroll_to_me();
+    h.run_steps(4);
     h.get_by_role_and_label(Role::TextInput, "Pattern").click();
     h.run_steps(1);
     h.key_press_modifiers(Modifiers::COMMAND, Key::A);

crates/ui-egui/tests/javascript.rs

@@ -94,6 +94,9 @@ fn document_scripts_and_preferences() {
     assert_eq!(h.state().session.get(id).unwrap().document_scripts()[0].0, "init");
     h.state_mut().dialog = Some(Dialog::Preferences);
     h.run_steps(2);
+    // Below the fold in a 900-point window: the preferences scroll to it.
+    h.get_by_label("Enable Acrobat JavaScript").scroll_to_me();
+    h.run_steps(4);
     h.get_by_label("Enable Acrobat JavaScript").click();
     h.run_steps(2);
     assert!(!h.state().session.javascript());

crates/ui-egui/tests/ui.rs

@@ -800,6 +800,8 @@ fn preferences_selects_default_workspace_for_next_open() {
     use pdfcraft_ui_egui::Mode;
     let mut h = harness(|app| app.set_option("dialog", "preferences").unwrap());
     h.get_by_label("Default workspace mode");
+    h.get_by_role_and_label(Role::RadioButton, "Read").scroll_to_me();
+    h.run_steps(4);
     h.get_by_role_and_label(Role::RadioButton, "Read").click();
     h.run_steps(2);
     assert_eq!(h.state().default_mode, Mode::Read);

crates/ui-egui/tests/ui_group/bulk_fields.rs

@@ -89,6 +89,9 @@ fn shared_properties_preserve_mixed_values_and_undo_the_whole_change() {
     h.state_mut().bulk_field_props.as_mut().unwrap().required.value = true;
     h.get_by_label("Appearance").click();
     h.run_steps(4);
+    // Below the fold of the dialog's scroll area with the roomier rows (#487).
+    h.get_by_label("Line Thickness:").scroll_to_me();
+    h.run_steps(4);
     h.get_by_label("Line Thickness:").click();
     h.run_steps(4);
     h.state_mut().bulk_field_props.as_mut().unwrap().width.value = 4.0;

crates/ui-egui/tests/ui_group/identity.rs

@@ -29,7 +29,9 @@ fn the_identity_name_signs_new_comments_and_is_remembered() {
     });
     h.run_steps(4);
     h.get_by_label_contains("Name on new comments");
-    // Replace the name in the field.
+    // Replace the name in the field (the preferences scroll to it in a 900-point window).
+    h.get_by_role_and_label(Role::TextInput, "Name on new comments").scroll_to_me();
+    h.run_steps(4);
     h.get_by_role_and_label(Role::TextInput, "Name on new comments").click();
     h.run_steps(1);
     h.key_press_modifiers(Modifiers::COMMAND, Key::A);

crates/ui-egui/tests/ui_group/text_select.rs

@@ -77,8 +77,28 @@ fn quick_clicks_with_the_highlighter_mark_only_the_word() {
     let (mut h, at) = harness(|app| assert!(app.execute("comment.highlight")));
     for _ in 0..4 {
         click(&mut h, at);
+        // The double-click's highlight re-renders the page; give its text layer up to 8 frames
+        // to come back (still well inside egui's 0.3 s multi-click window at 1/60 s a frame), so
+        // a loaded machine doesn't make the later clicks land on a page with no text yet.
+        for _ in 0..8 {
+            if !h.state().render_pending() {
+                break;
+            }
+            std::thread::sleep(std::time::Duration::from_millis(20));
+            h.run_steps(1);
+        }
     }
     h.run_steps(3);
+    // Under load the mark can land a few frames later; wait for it (egui's clock is fixed per
+    // frame, so waiting can't turn the clicks into a different run).
+    for _ in 0..200 {
+        let app = h.state();
+        if app.session.get(app.views[0].id).is_some_and(|d| !d.info.annotations.is_empty()) && !app.render_pending() {
+            break;
+        }
+        std::thread::sleep(std::time::Duration::from_millis(5));
+        h.run_steps(1);
+    }
     let app = h.state();
     let doc = app.session.get(app.views[0].id).unwrap();
     let marks: Vec<(&str, usize)> = doc.info.annotations.iter().map(|a| (a.subtype.as_str(), a.quads.len())).collect();

crates/ui-egui/tests/view.rs

@@ -376,6 +376,8 @@ fn preferences_set_the_default_zoom() {
     let mut h = harness(&[]);
     assert!(h.state_mut().execute("app.preferences"));
     h.run_steps(3);
+    h.get_by_label("Zoom to page level").scroll_to_me();
+    h.run_steps(4);
     h.get_by_label("Zoom to page level").click();
     h.run_steps(2);
     assert!(h.state_mut().execute("create.blank"));