Make default ctors implicit

Default ctors should be implicit, because users expect '{}' to call them.
If they're explicit, because they're folded into the (QObject* parent) ctors,
then that no longer works.

Fixes: QTBUG-98881
Change-Id: Ie52812ba76ee0b489c75ecf48b0c048025fde8c7
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

6 files changed, 12 insertions, 6 deletions

diff --git a/src/pdf/qpdfbookmarkmodel.h b/src/pdf/qpdfbookmarkmodel.h
index ee65e11f4..315222a65 100644
--- a/src/pdf/qpdfbookmarkmodel.h
+++ b/src/pdf/qpdfbookmarkmodel.h
@@ -71,7 +71,8 @@ public:
     };
     Q_ENUM(Role)
 
-    explicit QPdfBookmarkModel(QObject *parent = nullptr);
+    QPdfBookmarkModel() : QPdfBookmarkModel(nullptr) {}
+    explicit QPdfBookmarkModel(QObject *parent);
     ~QPdfBookmarkModel() override;
 
     QPdfDocument* document() const;
diff --git a/src/pdf/qpdfdocument.h b/src/pdf/qpdfdocument.h
index e20e37c77..9a81d4a8c 100644
--- a/src/pdf/qpdfdocument.h
+++ b/src/pdf/qpdfdocument.h
@@ -93,7 +93,8 @@ public:
     };
     Q_ENUM(MetaDataField)
 
-    explicit QPdfDocument(QObject *parent = nullptr);
+    QPdfDocument() : QPdfDocument(nullptr) {}
+    explicit QPdfDocument(QObject *parent);
     ~QPdfDocument();
 
     DocumentError load(const QString &fileName);
diff --git a/src/pdf/qpdfpagenavigation.h b/src/pdf/qpdfpagenavigation.h
index 4a1e0ea12..9c967bad8 100644
--- a/src/pdf/qpdfpagenavigation.h
+++ b/src/pdf/qpdfpagenavigation.h
@@ -61,7 +61,8 @@ class Q_PDF_EXPORT QPdfPageNavigation : public QObject
     Q_PROPERTY(bool canGoToNextPage READ canGoToNextPage NOTIFY canGoToNextPageChanged)
 
 public:
-    explicit QPdfPageNavigation(QObject *parent = nullptr);
+    QPdfPageNavigation() : QPdfPageNavigation(nullptr) {}
+    explicit QPdfPageNavigation(QObject *parent);
     ~QPdfPageNavigation();
 
     QPdfDocument* document() const;
diff --git a/src/pdf/qpdfpagerenderer.h b/src/pdf/qpdfpagerenderer.h
index 0ba2a1b18..0898e03ea 100644
--- a/src/pdf/qpdfpagerenderer.h
+++ b/src/pdf/qpdfpagerenderer.h
@@ -67,7 +67,8 @@ public:
     };
     Q_ENUM(RenderMode)
 
-    explicit QPdfPageRenderer(QObject *parent = nullptr);
+    QPdfPageRenderer() : QPdfPageRenderer(nullptr) {}
+    explicit QPdfPageRenderer(QObject *parent);
     ~QPdfPageRenderer() override;
 
     RenderMode renderMode() const;
diff --git a/src/pdf/qpdfsearchmodel.h b/src/pdf/qpdfsearchmodel.h
index a4e35fd04..d051fdc40 100644
--- a/src/pdf/qpdfsearchmodel.h
+++ b/src/pdf/qpdfsearchmodel.h
@@ -66,7 +66,8 @@ public:
         _Count
     };
     Q_ENUM(Role)
-    explicit QPdfSearchModel(QObject *parent = nullptr);
+    QPdfSearchModel() : QPdfSearchModel(nullptr) {}
+    explicit QPdfSearchModel(QObject *parent);
     ~QPdfSearchModel();
 
     QList<QPdfSearchResult> resultsOnPage(int page) const;
diff --git a/src/pdfwidgets/qpdfview.h b/src/pdfwidgets/qpdfview.h
index 26bb49dfb..92c397408 100644
--- a/src/pdfwidgets/qpdfview.h
+++ b/src/pdfwidgets/qpdfview.h
@@ -78,7 +78,8 @@ public:
     };
     Q_ENUM(ZoomMode)
 
-    explicit QPdfView(QWidget *parent = nullptr);
+    QPdfView() : QPdfView(nullptr) {}
+    explicit QPdfView(QWidget *parent);
     ~QPdfView();
 
     void setDocument(QPdfDocument *document);