Use more nullptr

scan/sanedialog.h

@@ -35,7 +35,7 @@ class SaneDialog : public KPageDialog
     Q_OBJECT
 
 public:
-    explicit SaneDialog(QWidget *parent = 0);
+    explicit SaneDialog(QWidget *parent = nullptr);
     ~SaneDialog();
 
     bool setup();

tools/selection/text/kpToolText_CursorCalc.cpp

@@ -140,7 +140,7 @@ int kpToolText::MoveCursorToWordStart (const QList <QString> &textLines,
 
 #define IS_ON_ANCHOR()                                            \
     (CursorIsOnWordChar (textLines, *cursorRow, *cursorCol) &&    \
-         (cursorCol == 0 ||                                       \
+         (cursorCol == nullptr ||                                 \
              !CursorIsOnWordChar (textLines, *cursorRow, *cursorCol - 1)))
 #define MOVE_CURSOR_LEFT()    \
     (MoveCursorLeft (textLines, cursorRow, cursorCol), ++numMoves)

widgets/imagelib/effects/kpNumInput.h

@@ -46,7 +46,7 @@ public:
      * window. If parent is another widget, this widget becomes a child
      * window inside parent. The new widget is deleted when its parent is deleted.
      */
-    explicit kpNumInput(QWidget *parent = 0);
+    explicit kpNumInput(QWidget *parent = nullptr);
 
     /**
      * Destructor
@@ -162,7 +162,7 @@ public:
      * Constructs an input control for integer values
      * with initial value 0.
      */
-    explicit kpIntNumInput(QWidget *parent = 0);
+    explicit kpIntNumInput(QWidget *parent = nullptr);
     /**
      * Constructor
      * It constructs a QSpinBox that allows the input of integer numbers
@@ -173,7 +173,7 @@ public:
      * @param value  initial value for the control
      * @param parent parent QWidget
      */
-    explicit kpIntNumInput(int value, QWidget *parent = 0);
+    explicit kpIntNumInput(int value, QWidget *parent = nullptr);
 
     /**
      * Destructor
@@ -350,7 +350,7 @@ public:
      * Constructs an input control for double values
      * with initial value 0.00.
      */
-    explicit kpDoubleNumInput(QWidget *parent = 0);
+    explicit kpDoubleNumInput(QWidget *parent = nullptr);
 
     /**
      * Constructor
@@ -362,7 +362,7 @@ public:
      * @param precision number of digits after the decimal point
      * @param parent parent QWidget
      */
-    kpDoubleNumInput(double lower, double upper, double value, QWidget *parent = 0, double singleStep = 0.01,
+    kpDoubleNumInput(double lower, double upper, double value, QWidget *parent = nullptr, double singleStep = 0.01,
                     int precision = 2);
 
     /**