Conditional formatting: 2-/3-colour scale editor with per-stop thresholds

ROADMAP.md

@@ -245,6 +245,7 @@ Ranked; estimates in Opus 5.5 agent-hours. Detail and the full beta-gate list in
 | 2026-10-20 | minor | Dutch (nl) listed under other shipped languages; progress log row |
 | 2026-10-19 | minor | Progress log: long flat operator chains (#916) |
 | 2026-10-19 | trivial | Progress log: desktop theme portal read timeout |
+| 2026-10-17 | minor | Conditional formatting: 2-/3-colour scale editor with per-stop type/value/colour, and in-place rule editing (part of #1165) |
 | 2026-10-16 | minor | Progress log: undo steps share picture and macro bytes |
 | 2026-10-16 | minor | Progress log: floating pictures' textures bounded and kept per workbook |
 | 2026-10-16 | trivial | Progress log: web preferences kept between visits (#1562) |

contributors/people.toml

@@ -103,3 +103,6 @@ real_name = "Helen Kwok"
 [people.dotCooCoo]
 real_name = "Robert Lee"
 sync_github_name = true
+
+[people.alosslessdev]
+real_name = "Francisco Herrera"

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

@@ -545,6 +545,31 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Previous sheet" => "Předchozí list",
         "Zoom In" => "Přiblížit",
         "Zoom Out" => "Oddálit",
+        // Conditional formatting: colour scales.
+        "New Formatting Rule" => "Nové pravidlo formátování",
+        "Format all cells based on their values" => "Formátovat všechny buňky podle jejich hodnot",
+        "Format Style:" => "Styl formátu:",
+        "2-Color Scale" => "Dvoubarevná škála",
+        "3-Color Scale" => "Tříbarevná škála",
+        "Lowest value" => "Nejnižší hodnota",
+        "Highest value" => "Nejvyšší hodnota",
+        "Percent" => "Procento",
+        "Percentile" => "Percentil",
+        "Formula" => "Vzorec",
+        "Minimum" => "Minimum",
+        "Maximum" => "Maximum",
+        "Midpoint" => "Střední bod",
+        "More Rules…" => "Další pravidla…",
+        "Select a Rule Type" => "Vybrat typ pravidla",
+        "Edit the Rule Description" => "Upravit popis pravidla",
+        "Format only cells that contain" => "Formátovat pouze buňky, které obsahují",
+        "Format only top or bottom ranked values" => "Formátovat pouze hodnoty s nejvyšším nebo nejnižším pořadím",
+        "Format only values that are above or below average" => "Formátovat pouze hodnoty nad nebo pod průměrem",
+        "Format only unique or duplicate values" => "Formátovat pouze jedinečné nebo duplicitní hodnoty",
+        "Use a formula to determine which cells to format" => "Pomocí vzorce určit, které buňky se mají formátovat",
+        "Format values where this formula is true:" => "Formátovat hodnoty, pro které platí tento vzorec:",
+        "with" => "s",
+        "This rule type isn't available yet." => "Tento typ pravidla zatím není dostupný.",
         // widgets.rs (alphabetical keys).
         "Dismiss" => "Zavřít",
         "Rename" => "Přejmenovat",

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

@@ -462,6 +462,30 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "All sheets" => "Alle Blätter",
         "New sheet (⇧F11)" => "Neues Blatt (⇧F11)",
         "Text Box" => "Textfeld",
+        "New Formatting Rule" => "Neue Formatierungsregel",
+        "Format all cells based on their values" => "Alle Zellen basierend auf ihren Werten formatieren",
+        "Format Style:" => "Formatvorlage:",
+        "2-Color Scale" => "2-Farben-Skala",
+        "3-Color Scale" => "3-Farben-Skala",
+        "Lowest value" => "Niedrigster Wert",
+        "Highest value" => "Höchster Wert",
+        "Percent" => "Prozent",
+        "Percentile" => "Perzentil",
+        "Formula" => "Formel",
+        "Minimum" => "Minimum",
+        "Maximum" => "Maximum",
+        "Midpoint" => "Mittelpunkt",
+        "More Rules…" => "Weitere Regeln…",
+        "Select a Rule Type" => "Regeltyp auswählen",
+        "Edit the Rule Description" => "Regelbeschreibung bearbeiten",
+        "Format only cells that contain" => "Nur Zellen formatieren, die enthalten",
+        "Format only top or bottom ranked values" => "Nur Werte formatieren, die oben oder unten eingestuft sind",
+        "Format only values that are above or below average" => "Nur Werte formatieren, die über oder unter dem Durchschnitt liegen",
+        "Format only unique or duplicate values" => "Nur eindeutige oder doppelte Werte formatieren",
+        "Use a formula to determine which cells to format" => "Formel zur Ermittlung der zu formatierenden Zellen verwenden",
+        "Format values where this formula is true:" => "Werte formatieren, für die diese Formel wahr ist:",
+        "with" => "mit",
+        "This rule type isn't available yet." => "Dieser Regeltyp ist noch nicht verfügbar.",
         _ => return None,
     })
 }

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

@@ -983,6 +983,29 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "A CSV file, web page or PDF is a copy: the workbook keeps its own file." => {
             "Ένα αρχείο CSV, μια ιστοσελίδα ή ένα PDF είναι αντίγραφο: το βιβλίο εργασίας διατηρεί το δικό του αρχείο."
         }
+        // Conditional formatting: colour scales.
+        "New Formatting Rule" => "Νέος κανόνας μορφοποίησης",
+        "Format all cells based on their values" => "Μορφοποίηση όλων των κελιών με βάση τις τιμές τους",
+        "Format Style:" => "Στυλ μορφής:",
+        "2-Color Scale" => "Κλίμακα 2 χρωμάτων",
+        "3-Color Scale" => "Κλίμακα 3 χρωμάτων",
+        "Lowest value" => "Χαμηλότερη τιμή",
+        "Highest value" => "Υψηλότερη τιμή",
+        "Percent" => "Ποσοστό",
+        "Percentile" => "Εκατοστημόριο",
+        "Formula" => "Τύπος",
+        "Minimum" => "Ελάχιστο",
+        "Maximum" => "Μέγιστο",
+        "Midpoint" => "Μέσο σημείο",
+        "More Rules…" => "Περισσότεροι κανόνες…",
+        "Select a Rule Type" => "Επιλογή τύπου κανόνα",
+        "Edit the Rule Description" => "Επεξεργασία περιγραφής κανόνα",
+        "Format only cells that contain" => "Μορφοποίηση μόνο κελιών που περιέχουν",
+        "Format only top or bottom ranked values" => "Μορφοποίηση μόνο τιμών με την υψηλότερη ή χαμηλότερη κατάταξη",
+        "Format only values that are above or below average" => "Μορφοποίηση μόνο τιμών πάνω ή κάτω από τον μέσο όρο",
+        "Format only unique or duplicate values" => "Μορφοποίηση μόνο μοναδικών ή διπλότυπων τιμών",
+        "Use a formula to determine which cells to format" => "Χρήση τύπου για τον καθορισμό των κελιών που θα μορφοποιηθούν",
+        "This rule type isn't available yet." => "Αυτός ο τύπος κανόνα δεν είναι ακόμη διαθέσιμος.",
         _ => return None,
     })
 }

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

@@ -478,6 +478,30 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "All sheets" => "Todas las hojas",
         "New sheet (⇧F11)" => "Nueva hoja (⇧F11)",
         "Text Box" => "Cuadro de texto",
+        "New Formatting Rule" => "Nueva regla de formato",
+        "Format all cells based on their values" => "Dar formato a todas las celdas según sus valores",
+        "Format Style:" => "Estilo de formato:",
+        "2-Color Scale" => "Escala de 2 colores",
+        "3-Color Scale" => "Escala de 3 colores",
+        "Lowest value" => "Valor mínimo",
+        "Highest value" => "Valor máximo",
+        "Percent" => "Porcentaje",
+        "Percentile" => "Percentil",
+        "Formula" => "Fórmula",
+        "Minimum" => "Mínimo",
+        "Maximum" => "Máximo",
+        "Midpoint" => "Punto medio",
+        "More Rules…" => "Más reglas…",
+        "Select a Rule Type" => "Seleccionar un tipo de regla",
+        "Edit the Rule Description" => "Editar la descripción de la regla",
+        "Format only cells that contain" => "Dar formato solo a las celdas que contengan",
+        "Format only top or bottom ranked values" => "Dar formato solo a los valores con clasificación superior o inferior",
+        "Format only values that are above or below average" => "Dar formato solo a los valores que estén por encima o por debajo del promedio",
+        "Format only unique or duplicate values" => "Dar formato solo a los valores únicos o duplicados",
+        "Use a formula to determine which cells to format" => "Usar una fórmula para determinar qué celdas se van a aplicar formato",
+        "Format values where this formula is true:" => "Dar formato a los valores donde esta fórmula sea verdadera:",
+        "with" => "con",
+        "This rule type isn't available yet." => "Este tipo de regla aún no está disponible.",
         _ => return None,
     })
 }

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

@@ -450,6 +450,30 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "All sheets" => "Toutes les feuilles",
         "New sheet (⇧F11)" => "Nouvelle feuille (⇧F11)",
         "Text Box" => "Zone de texte",
+        "New Formatting Rule" => "Nouvelle règle de mise en forme",
+        "Format all cells based on their values" => "Mettre en forme toutes les cellules en fonction de leurs valeurs",
+        "Format Style:" => "Style de mise en forme :",
+        "2-Color Scale" => "Échelle à 2 couleurs",
+        "3-Color Scale" => "Échelle à 3 couleurs",
+        "Lowest value" => "Valeur la plus basse",
+        "Highest value" => "Valeur la plus haute",
+        "Percent" => "Pourcentage",
+        "Percentile" => "Centile",
+        "Formula" => "Formule",
+        "Minimum" => "Minimum",
+        "Maximum" => "Maximum",
+        "Midpoint" => "Point milieu",
+        "More Rules…" => "Autres règles…",
+        "Select a Rule Type" => "Sélectionner un type de règle",
+        "Edit the Rule Description" => "Modifier la description de la règle",
+        "Format only cells that contain" => "Mettre en forme uniquement les cellules qui contiennent",
+        "Format only top or bottom ranked values" => "Mettre en forme uniquement les valeurs classées en haut ou en bas",
+        "Format only values that are above or below average" => "Mettre en forme uniquement les valeurs supérieures ou inférieures à la moyenne",
+        "Format only unique or duplicate values" => "Mettre en forme uniquement les valeurs uniques ou en double",
+        "Use a formula to determine which cells to format" => "Utiliser une formule pour déterminer pour quelles cellules le format sera appliqué",
+        "Format values where this formula is true:" => "Mettre en forme les valeurs pour lesquelles cette formule est vraie :",
+        "with" => "avec",
+        "This rule type isn't available yet." => "Ce type de règle n'est pas encore disponible.",
         _ => return None,
     })
 }

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

@@ -986,6 +986,29 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Report Layout" => "Layout rapporto",
         "Compact" => "Compatto",
         "Tabular" => "Tabulare",
+        // Conditional formatting: colour scales.
+        "New Formatting Rule" => "Nuova regola di formattazione",
+        "Format all cells based on their values" => "Formatta tutte le celle in base ai loro valori",
+        "Format Style:" => "Stile formato:",
+        "2-Color Scale" => "Scala a 2 colori",
+        "3-Color Scale" => "Scala a 3 colori",
+        "Lowest value" => "Valore minimo",
+        "Highest value" => "Valore massimo",
+        "Percent" => "Percentuale",
+        "Percentile" => "Percentile",
+        "Formula" => "Formula",
+        "Minimum" => "Minimo",
+        "Maximum" => "Massimo",
+        "Midpoint" => "Punto medio",
+        "More Rules…" => "Altre regole…",
+        "Select a Rule Type" => "Seleziona un tipo di regola",
+        "Edit the Rule Description" => "Modifica la descrizione della regola",
+        "Format only cells that contain" => "Formatta solo le celle che contengono",
+        "Format only top or bottom ranked values" => "Formatta solo i valori con classificazione superiore o inferiore",
+        "Format only values that are above or below average" => "Formatta solo i valori superiori o inferiori alla media",
+        "Format only unique or duplicate values" => "Formatta solo valori univoci o duplicati",
+        "Use a formula to determine which cells to format" => "Usa una formula per determinare quali celle formattare",
+        "This rule type isn't available yet." => "Questo tipo di regola non è ancora disponibile.",
         _ => return None,
     })
 }

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

@@ -990,6 +990,27 @@ pub(super) const DIALOGS: &[(&str, &str)] = &[
     ("Tab Color", "シートの見出しの色"),
     ("Unhide…", "再表示…"),
     ("Unprotect Sheet…", "シート保護の解除…"),
+    ("New Formatting Rule", "新しい書式ルール"),
+    ("Format all cells based on their values", "値に基づいてすべてのセルを書式設定"),
+    ("Format Style:", "書式スタイル:"),
+    ("2-Color Scale", "2 色スケール"),
+    ("3-Color Scale", "3 色スケール"),
+    ("Lowest value", "最小値"),
+    ("Highest value", "最大値"),
+    ("Percentile", "パーセンタイル"),
+    ("Formula", "数式"),
+    ("Minimum", "最小"),
+    ("Maximum", "最大"),
+    ("Midpoint", "中間"),
+    ("More Rules…", "その他のルール…"),
+    ("Select a Rule Type", "ルールの種類を選択"),
+    ("Edit the Rule Description", "ルールの説明を編集"),
+    ("Format only cells that contain", "含むセルのみを書式設定"),
+    ("Format only top or bottom ranked values", "上位または下位に入る値のみを書式設定"),
+    ("Format only values that are above or below average", "平均より上または下の値のみを書式設定"),
+    ("Format only unique or duplicate values", "重複する値または一意の値のみを書式設定"),
+    ("Use a formula to determine which cells to format", "数式を使用して、書式設定するセルを決定"),
+    ("This rule type isn't available yet.", "このルールの種類はまだ使用できません。"),
 ];
 
 /// Labels of the ribbon menus, pop-ups and palettes that the reference catalog does not cover (the

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

@@ -446,6 +446,30 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "All sheets" => "모든 시트",
         "New sheet (⇧F11)" => "새 시트 (⇧F11)",
         "Text Box" => "텍스트 상자",
+        "New Formatting Rule" => "새 서식 규칙",
+        "Format all cells based on their values" => "해당 값에 따라 모든 셀의 서식 지정",
+        "Format Style:" => "서식 스타일:",
+        "2-Color Scale" => "2색조 눈금",
+        "3-Color Scale" => "3색조 눈금",
+        "Lowest value" => "최저값",
+        "Highest value" => "최고값",
+        "Percent" => "백분율",
+        "Percentile" => "백분위수",
+        "Formula" => "수식",
+        "Minimum" => "최소",
+        "Maximum" => "최대",
+        "Midpoint" => "중간점",
+        "More Rules…" => "기타 규칙…",
+        "Select a Rule Type" => "규칙 유형 선택",
+        "Edit the Rule Description" => "규칙 설명 편집",
+        "Format only cells that contain" => "다음을 포함하는 셀만 서식 지정",
+        "Format only top or bottom ranked values" => "순위가 위 또는 아래인 값만 서식 지정",
+        "Format only values that are above or below average" => "평균보다 높거나 낮은 값만 서식 지정",
+        "Format only unique or duplicate values" => "고유하거나 중복되는 값만 서식 지정",
+        "Use a formula to determine which cells to format" => "수식을 사용하여 서식을 지정할 셀 결정",
+        "Format values where this formula is true:" => "다음 수식을 만족하는 값에 서식 지정:",
+        "with" => "서식:",
+        "This rule type isn't available yet." => "이 규칙 유형은 아직 사용할 수 없습니다.",
         _ => return None,
     })
 }

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

@@ -527,6 +527,31 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Zoom In" => "Inzoomen",
         "Zoom Out" => "Uitzoomen",
         "Dismiss" => "Negeren",
+        // Conditional formatting: colour scales.
+        "New Formatting Rule" => "Nieuwe opmaakregel",
+        "Format all cells based on their values" => "Alle cellen opmaken op basis van hun waarden",
+        "Format Style:" => "Opmaakstijl:",
+        "2-Color Scale" => "Schaal met 2 kleuren",
+        "3-Color Scale" => "Schaal met 3 kleuren",
+        "Lowest value" => "Laagste waarde",
+        "Highest value" => "Hoogste waarde",
+        "Percent" => "Percentage",
+        "Percentile" => "Percentiel",
+        "Formula" => "Formule",
+        "Minimum" => "Minimum",
+        "Maximum" => "Maximum",
+        "Midpoint" => "Middelpunt",
+        "More Rules…" => "Meer regels…",
+        "Select a Rule Type" => "Een regeltype selecteren",
+        "Edit the Rule Description" => "De beschrijving van de regel bewerken",
+        "Format only cells that contain" => "Alleen cellen opmaken die bevatten",
+        "Format only top or bottom ranked values" => "Alleen waarden met een hoge of lage rangorde opmaken",
+        "Format only values that are above or below average" => "Alleen waarden boven of onder het gemiddelde opmaken",
+        "Format only unique or duplicate values" => "Alleen unieke of dubbele waarden opmaken",
+        "Use a formula to determine which cells to format" => "Een formule gebruiken om te bepalen welke cellen worden opgemaakt",
+        "Format values where this formula is true:" => "Waarden opmaken waarop deze formule waar is:",
+        "with" => "met",
+        "This rule type isn't available yet." => "Dit regeltype is nog niet beschikbaar.",
         _ => return None,
     })
 }

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

@@ -977,6 +977,29 @@ pub(super) fn translate(text: &str) -> Option<&'static str> {
         "Report Layout" => "Układ raportu",
         "Compact" => "Kompaktowy",
         "Tabular" => "Tabelaryczny",
+        // Conditional formatting: colour scales.
+        "New Formatting Rule" => "Nowa reguła formatowania",
+        "Format all cells based on their values" => "Formatuj wszystkie komórki na podstawie ich wartości",
+        "Format Style:" => "Styl formatu:",
+        "2-Color Scale" => "Skala dwukolorowa",
+        "3-Color Scale" => "Skala trójkolorowa",
+        "Lowest value" => "Najniższa wartość",
+        "Highest value" => "Najwyższa wartość",
+        "Percent" => "Procent",
+        "Percentile" => "Percentyl",
+        "Formula" => "Formuła",
+        "Minimum" => "Minimum",
+        "Maximum" => "Maksimum",
+        "Midpoint" => "Punkt środkowy",
+        "More Rules…" => "Więcej reguł…",
+        "Select a Rule Type" => "Wybierz typ reguły",
+        "Edit the Rule Description" => "Edytuj opis reguły",
+        "Format only cells that contain" => "Formatuj tylko komórki zawierające",
+        "Format only top or bottom ranked values" => "Formatuj tylko wartości o najwyższej lub najniższej pozycji",
+        "Format only values that are above or below average" => "Formatuj tylko wartości powyżej lub poniżej średniej",
+        "Format only unique or duplicate values" => "Formatuj tylko wartości unikatowe lub zduplikowane",
+        "Use a formula to determine which cells to format" => "Użyj formuły do określenia, które komórki mają być formatowane",
+        "This rule type isn't available yet." => "Ten typ reguły nie jest jeszcze dostępny.",
         _ => return None,
     })
 }