Use brace initialization to define default value for class members.

Requires less code.

src/app/puzzle/puzzlemainwindow.cpp

@@ -52,8 +52,6 @@ PuzzleMainWindow::PuzzleMainWindow(const VPuzzleCommandLinePtr &cmd, QWidget *pa
     QMainWindow(parent),
     ui(new Ui::PuzzleMainWindow),
     pieceCarrousel(new VPieceCarrousel),
-    m_layout (nullptr),
-    m_selectedPiece (nullptr),
     m_cmd(cmd)
 {
     ui->setupUi(this);

src/app/puzzle/puzzlemainwindow.h

@@ -80,9 +80,9 @@ private:
     VPieceCarrousel *pieceCarrousel;
     VPuzzleCommandLinePtr m_cmd;
 
-    VPuzzleLayout *m_layout;
+    VPuzzleLayout *m_layout{nullptr};
 
-    VPuzzlePiece *m_selectedPiece;
+    VPuzzlePiece *m_selectedPiece{nullptr};
 
 
     void InitMenuBar();

src/app/puzzle/vpuzzlelayer.cpp

@@ -28,10 +28,7 @@
 #include "vpuzzlelayer.h"
 
 //---------------------------------------------------------------------------------------------------------------------
-VPuzzleLayer::VPuzzleLayer() :
-    m_name(QString("")),
-    m_pieces(QList<VPuzzlePiece*>()),
-    m_isVisible(true)
+VPuzzleLayer::VPuzzleLayer()
 {
 
 }

src/app/puzzle/vpuzzlelayer.h

@@ -51,11 +51,11 @@ public:
     bool GetIsVisible() const;
 
 private:
-    QString m_name;
-    QList<VPuzzlePiece *> m_pieces;
+    QString m_name{};
+    QList<VPuzzlePiece *> m_pieces{};
 
     // control
-    bool m_isVisible;
+    bool m_isVisible{true};
 
 };
 

src/app/puzzle/vpuzzlelayout.cpp

@@ -30,16 +30,7 @@
 
 //---------------------------------------------------------------------------------------------------------------------
 VPuzzleLayout::VPuzzleLayout() :
-    m_unplacedPiecesLayer(new VPuzzleLayer()),
-    m_layers(QList<VPuzzleLayer *>()),
-    m_unit(Unit::Cm),
-    m_size(QSizeF()),
-    m_margins(QMarginsF()),
-    m_followGrainLine(FollowGrainline::No),
-    m_piecesGap(0),
-    m_warningSuperpositionOfPieces(false),
-    m_warningPiecesOutOfBound(false),
-    m_stickyEdges(false)
+    m_unplacedPiecesLayer(new VPuzzleLayer())
 {
 
 }

src/app/puzzle/vpuzzlelayout.h

@@ -173,31 +173,31 @@ public:
 private:
     Q_DISABLE_COPY(VPuzzleLayout)
     VPuzzleLayer *m_unplacedPiecesLayer;
-    QList<VPuzzleLayer *> m_layers;
+    QList<VPuzzleLayer *> m_layers{};
 
     // format
-    Unit m_unit;
+    Unit m_unit{Unit::Cm};
     /**
      * @brief m_size the Size in Unit::Px
      */
-    QSizeF m_size;
+    QSizeF m_size{};
 
     // margins
     /**
      * @brief m_margins the margins in Unit::Px
      */
-    QMarginsF m_margins;
+    QMarginsF m_margins{};
 
     // control
-    FollowGrainline m_followGrainLine;
+    FollowGrainline m_followGrainLine{FollowGrainline::No};
 
     /**
      * @brief m_piecesGap the pieces gap in Unit::Px
      */
-    qreal m_piecesGap;
-    bool m_warningSuperpositionOfPieces;
-    bool m_warningPiecesOutOfBound;
-    bool m_stickyEdges;
+    qreal m_piecesGap{0};
+    bool m_warningSuperpositionOfPieces{false};
+    bool m_warningPiecesOutOfBound{false};
+    bool m_stickyEdges{false};
 
 };