Add a using-declaration to derived class to inherit the constructors, and remove the ones manually duplicated.

src/libs/vdxf/libdxfrw/intern/dxfwriter.h

@@ -15,12 +15,14 @@
 
 #include "drw_textcodec.h"
 
-class dxfWriter {
+class dxfWriter
+{
 public:
     explicit dxfWriter(std::ofstream *stream)
       : filestr(stream),
         encoder()
-    {}
+    {
+    }
 
     virtual ~dxfWriter() = default;
     virtual auto writeString(int code, std::string text) -> bool = 0;
@@ -38,16 +40,17 @@ public:
 
 protected:
     std::ofstream *filestr;
+
 private:
     Q_DISABLE_COPY_MOVE(dxfWriter) // NOLINT
     DRW_TextCodec encoder;
 };
 
-class dxfWriterBinary : public dxfWriter {
+class dxfWriterBinary : public dxfWriter
+{
 public:
-    explicit dxfWriterBinary(std::ofstream *stream)
-        : dxfWriter(stream)
-    {}
+    using dxfWriter::dxfWriter;
+
     virtual ~dxfWriterBinary() = default;
     virtual auto writeString(int code, std::string text) -> bool override;
     virtual auto writeInt16(int code, int data) -> bool override;
@@ -57,7 +60,8 @@ public:
     virtual auto writeBool(int code, bool data) -> bool override;
 };
 
-class dxfWriterAscii final : public dxfWriter {
+class dxfWriterAscii final : public dxfWriter
+{
 public:
     explicit dxfWriterAscii(std::ofstream *stream);
     virtual ~dxfWriterAscii() = default;

src/libs/vtools/tools/drawTools/operation/vabstractoperation.h

@@ -52,10 +52,7 @@ struct DestinationItem
 
 struct VAbstractOperationInitData : VDrawToolInitData
 {
-    VAbstractOperationInitData()
-      : VDrawToolInitData()
-    {
-    }
+    using VDrawToolInitData::VDrawToolInitData;
 
     QString suffix{};
     QVector<SourceItem> source{};

src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toolcut/vtoolcut.h

@@ -46,10 +46,7 @@ class VFormula;
 
 struct VToolCutInitData : VToolSinglePointInitData
 {
-    VToolCutInitData()
-      : VToolSinglePointInitData()
-    {
-    }
+    using VToolSinglePointInitData::VToolSinglePointInitData;
 
     quint32 baseCurveId{NULL_ID}; // NOLINT(misc-non-private-member-variables-in-classes)
     QString formula{};            // NOLINT(misc-non-private-member-variables-in-classes)

src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoollinepoint.h

@@ -43,10 +43,7 @@ template <class T> class QSharedPointer;
 
 struct VToolLinePointInitData : VToolSinglePointInitData
 {
-    VToolLinePointInitData()
-      : VToolSinglePointInitData()
-    {
-    }
+    using VToolSinglePointInitData::VToolSinglePointInitData;
 
     QString typeLine{TypeLineLine};
     QString lineColor{ColorBlack};