fix(duplicates): correct result visibility

src/main.cpp

@@ -518,8 +518,11 @@ public slots:
                             record.group = group;
                             record.duplicateCopy = duplicateCopy++;
                             duplicatedPaths.insert(record.path);
-                            if (o.mode == QStringLiteral("Duplicates search"))
+                            if (o.mode == QStringLiteral("Duplicates search")
+                                && shouldShowDuplicateResult(
+                                    o.showDuplicateCopiesOnly, record.duplicateCopy)) {
                                 results.push_back(record);
+                            }
                         }
                         ++group;
                     }
@@ -529,10 +532,6 @@ public slots:
                 for (const auto &record : candidates)
                     if (record.type == QStringLiteral("File") && !duplicatedPaths.contains(record.path))
                         results.push_back(record);
-            } else if (!o.showOnlyDuplicateFiles) {
-                for (const auto &record : candidates)
-                    if (record.type == QStringLiteral("File") && !duplicatedPaths.contains(record.path))
-                        results.push_back(record);
             }
         } else if (o.mode == QStringLiteral("Duplicate names search")) {
             QHash<QString, QVector<FileRecord>> byName;
@@ -1221,14 +1220,14 @@ public:
             action->setCheckable(true);
             duplicateOptionsGroup->addAction(action);
         }
-        showOnlyDuplicates->setChecked(options_.showOnlyDuplicateFiles);
-        showAllDuplicates->setChecked(!options_.showOnlyDuplicateFiles);
+        showOnlyDuplicates->setChecked(options_.showDuplicateCopiesOnly);
+        showAllDuplicates->setChecked(!options_.showDuplicateCopiesOnly);
         connect(showOnlyDuplicates, &QAction::triggered, this, [this] {
-            options_.showOnlyDuplicateFiles = true;
+            options_.showDuplicateCopiesOnly = true;
             saveOptions();
         });
         connect(showAllDuplicates, &QAction::triggered, this, [this] {
-            options_.showOnlyDuplicateFiles = false;
+            options_.showDuplicateCopiesOnly = false;
             saveOptions();
         });
 
@@ -1991,7 +1990,7 @@ private:
         settings.setValue(QStringLiteral("mode"), options_.mode);
         settings.setValue(QStringLiteral("duplicateNameMode"), options_.duplicateNameMode);
         settings.setValue(QStringLiteral("duplicateNameWithoutExtension"), options_.duplicateNameWithoutExtension);
-        settings.setValue(QStringLiteral("showOnlyDuplicateFiles"), options_.showOnlyDuplicateFiles);
+        settings.setValue(QStringLiteral("showDuplicateCopiesOnly"), options_.showDuplicateCopiesOnly);
         settings.setValue(QStringLiteral("includeSubfoldersInSummary"), options_.includeSubfoldersInSummary);
         settings.setValue(QStringLiteral("hidden"), options_.hidden);
         settings.setValue(QStringLiteral("readonly"), options_.readonly);
@@ -2028,7 +2027,9 @@ private:
         options_.mode = s.value(QStringLiteral("mode"), options_.mode).toString();
         options_.duplicateNameMode = s.value(QStringLiteral("duplicateNameMode"), options_.duplicateNameMode).toString();
         options_.duplicateNameWithoutExtension = s.value(QStringLiteral("duplicateNameWithoutExtension"), false).toBool();
-        options_.showOnlyDuplicateFiles = s.value(QStringLiteral("showOnlyDuplicateFiles"), true).toBool();
+        options_.showDuplicateCopiesOnly =
+            s.value(QStringLiteral("showDuplicateCopiesOnly"),
+                    s.value(QStringLiteral("showOnlyDuplicateFiles"), true)).toBool();
         options_.includeSubfoldersInSummary = s.value(QStringLiteral("includeSubfoldersInSummary"), false).toBool();
         options_.hidden = s.value(QStringLiteral("hidden"), options_.hidden).toString();
         options_.readonly = s.value(QStringLiteral("readonly"), options_.readonly).toString();

src/search_core.cpp

@@ -54,6 +54,13 @@ bool wildcardMatch(const QString &value, const QStringList &items, Qt::CaseSensi
     return false;
 }
 
+bool shouldShowDuplicateResult(bool copiesOnly, int keeperPriority)
+{
+    if (keeperPriority < 1)
+        return false;
+    return !copiesOnly || keeperPriority > 1;
+}
+
 QString humanSize(qint64 bytes)
 {
     static const QStringList units{QStringLiteral("B"), QStringLiteral("KB"),

src/search_core.h

@@ -40,7 +40,7 @@ struct SearchOptions {
     QString mode = QStringLiteral("Standard search");
     QString duplicateNameMode = QStringLiteral("All files and folders");
     bool duplicateNameWithoutExtension = false;
-    bool showOnlyDuplicateFiles = true;
+    bool showDuplicateCopiesOnly = true;
     bool includeSubfoldersInSummary = false;
     QString hidden = QStringLiteral("Any");
     QString readonly = QStringLiteral("Any");
@@ -78,3 +78,4 @@ bool fileContains(const QString &path, const SearchOptions &options);
 bool filesEqual(const QString &leftPath, const QString &rightPath);
 QByteArray sha256(const QString &path);
 bool parseOptionalIsoDate(const QString &text, qint64 &seconds);
+bool shouldShowDuplicateResult(bool copiesOnly, int keeperPriority);

tests/search_core_test.cpp

@@ -33,6 +33,17 @@ private slots:
         QVERIFY(!parseOptionalIsoDate(QStringLiteral("2026-not-a-date"), seconds));
     }
 
+    void selectsDuplicateRowsForDisplay()
+    {
+        QVERIFY(!shouldShowDuplicateResult(true, 0));
+        QVERIFY(!shouldShowDuplicateResult(true, 1));
+        QVERIFY(shouldShowDuplicateResult(true, 2));
+
+        QVERIFY(!shouldShowDuplicateResult(false, 0));
+        QVERIFY(shouldShowDuplicateResult(false, 1));
+        QVERIFY(shouldShowDuplicateResult(false, 2));
+    }
+
     void searchesContentsAndHashes()
     {
         QTemporaryDir directory;