+ add QuantitySpinBox to widget plugin

src/Tools/plugins/widget/customwidgets.cpp

@@ -518,6 +518,110 @@ void InputField::setHistorySize(int i)
 
 // --------------------------------------------------------------------
 
+QuantitySpinBox::QuantitySpinBox (QWidget * parent)
+  : QAbstractSpinBox(parent),
+    Value(0),
+    Maximum(INT_MAX),
+    Minimum(-INT_MAX),
+    StepSize(1.0)
+{
+}
+
+QuantitySpinBox::~QuantitySpinBox()
+{
+}
+
+/// sets the field with a quantity
+void QuantitySpinBox::setValue(double quant)
+{
+    Value = quant;
+    lineEdit()->setText(QString("%1 %2").arg(Value).arg(UnitStr));
+}
+
+/// sets the field with a quantity
+double QuantitySpinBox::value() const
+{
+    return Value;
+}
+
+/// get the value of the singleStep property
+double QuantitySpinBox::singleStep(void)const
+{
+    return StepSize;
+}
+
+/// set the value of the singleStep property 
+void QuantitySpinBox::setSingleStep(double s)
+{
+    StepSize = s;
+}
+
+/// get the value of the maximum property
+double QuantitySpinBox::maximum(void)const
+{
+    return Maximum;
+}
+
+/// set the value of the maximum property 
+void QuantitySpinBox::setMaximum(double m)
+{
+    Maximum = m;
+}
+
+/// get the value of the minimum property
+double QuantitySpinBox::minimum(void)const
+{
+    return Minimum;
+}
+
+/// set the value of the minimum property 
+void QuantitySpinBox::setMinimum(double m)
+{
+    Minimum = m;
+}
+
+QAbstractSpinBox::StepEnabled QuantitySpinBox::stepEnabled() const
+{
+    if (isReadOnly())
+        return StepNone;
+    if (wrapping())
+        return StepEnabled(StepUpEnabled | StepDownEnabled);
+    StepEnabled ret = StepNone;
+    if (Value < Maximum) {
+        ret |= StepUpEnabled;
+    }
+    if (Value > Minimum) {
+        ret |= StepDownEnabled;
+    }
+    return ret;
+}
+
+void QuantitySpinBox::stepBy(int steps)
+{
+    double step = StepSize * steps;
+    double val = Value + step;
+    if (val > Maximum)
+        val = Maximum;
+    else if (val < Minimum)
+        val = Minimum;
+
+    lineEdit()->setText(QString::fromUtf8("%L1 %2").arg(val).arg(UnitStr));
+    update();
+}
+
+void QuantitySpinBox::setUnitText(QString str)
+{
+    UnitStr = str;
+    lineEdit()->setText(QString("%1 %2").arg(Value).arg(UnitStr));
+}
+
+QString QuantitySpinBox::unitText(void)
+{
+    return UnitStr;
+}
+
+// --------------------------------------------------------------------
+
 CommandIconView::CommandIconView ( QWidget * parent )
   : QListWidget(parent)
 {

src/Tools/plugins/widget/customwidgets.h

@@ -257,6 +257,50 @@ private:
 
 // ------------------------------------------------------------------------------
 
+class QuantitySpinBox : public QAbstractSpinBox
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QString unit READ unitText WRITE setUnitText)
+    Q_PROPERTY(double minimum READ minimum WRITE setMinimum)
+    Q_PROPERTY(double maximum READ maximum WRITE setMaximum)
+    Q_PROPERTY(double singleStep READ singleStep WRITE setSingleStep)
+    Q_PROPERTY(double value READ value WRITE setValue NOTIFY valueChanged USER true)
+
+public:
+    QuantitySpinBox (QWidget * parent = 0);
+    virtual ~QuantitySpinBox();
+
+    void setValue(double);
+    double value(void) const;
+    double singleStep(void) const;
+    void setSingleStep(double);
+    double maximum(void) const;
+    void setMaximum(double);
+    double minimum(void) const;
+    void setMinimum(double);
+    void setUnitText(QString);
+    QString unitText(void);
+    void stepBy(int steps);
+
+protected:
+    StepEnabled stepEnabled() const;
+
+Q_SIGNALS:
+    void valueChanged(const Base::Quantity&);
+    void valueChanged(double);
+    void parseError(const QString& errorText);
+
+private:
+    QString UnitStr;
+    double Value;
+    double Maximum;
+    double Minimum;
+    double StepSize;
+};
+
+// ------------------------------------------------------------------------------
+
 class CommandIconView : public QListWidget
 {
     Q_OBJECT

src/Tools/plugins/widget/plugin.cpp

@@ -514,7 +514,7 @@ public:
     }
     QString whatsThis() const
     {
-        return QLatin1String("A widget to work qith quantities.");
+        return QLatin1String("A widget to work with quantities.");
     }
     bool isContainer() const
     {
@@ -533,6 +533,86 @@ public:
     }
 };
 
+/* XPM */
+static const char *quantityspinbox_pixmap[]={
+"22 22 6 1",
+"a c #000000",
+"# c #000080",
+"b c #008080",
+"c c #808080",
+"d c #c0c0c0",
+". c #ffffff",
+"...#aaaaaaaaaaaaaa#...",
+".baccccccccccccccccab.",
+".acccddddddddddddddca.",
+"#ccd................d#",
+"acc.............dcd.da",
+"acd.............dbd..a",
+"acd............dcbbd.a",
+"acd.d..dd..d...dbbbc.a",
+"acddb.dbbdcbb.dbbb#bda",
+"acd.b.d.cc..b.bb###bda",
+"acd.b...bd.cb.dddccdda",
+"acd.b...b..db...dddd.a",
+"acd.b..cd...bdddccbbda",
+"acd.b.dbbccdb.ccbbbbda",
+"acddd.ddd.dd..dbbb#cda",
+"acd............bb##cda",
+"acd............db#cd.a",
+"acd.............bbcdda",
+"#cd.............ddd.d#",
+".ac................da.",
+".badd............dda#.",
+"...#aaaaaaaaaaaaaa#..."};
+
+class QuantitySpinBoxPlugin : public QDesignerCustomWidgetInterface
+{
+    Q_INTERFACES(QDesignerCustomWidgetInterface)
+public:
+    QuantitySpinBoxPlugin()
+    {
+    }
+    QWidget *createWidget(QWidget *parent)
+    {
+        return new Gui::QuantitySpinBox(parent);
+    }
+    QString group() const
+    {
+        return QLatin1String("Input Widgets");
+    }
+    QIcon icon() const
+    {
+        return QIcon( QPixmap( quantityspinbox_pixmap ) );
+    }
+    QString includeFile() const
+    {
+        return QLatin1String("Gui/QuantitySpinBox.h");
+    }
+    QString toolTip() const
+    {
+        return QLatin1String("Quantity spin box");
+    }
+    QString whatsThis() const
+    {
+        return QLatin1String("A widget to work with quantities.");
+    }
+    bool isContainer() const
+    {
+        return false;
+    }
+    QString domXml() const
+    {
+        return "<ui language=\"c++\">\n"
+               " <widget class=\"Gui::QuantitySpinBox\" name=\"quantitySpinBox\">\n"
+               " </widget>\n"
+               "</ui>";
+    }
+    QString name() const
+    {
+        return QLatin1String("Gui::QuantitySpinBox");
+    }
+};
+
 /* XPM */
 static const char *iconview_pixmap[]={
 "22 22 10 1",
@@ -1333,6 +1413,7 @@ QList<QDesignerCustomWidgetInterface *> CustomWidgetPlugin::customWidgets () con
     cw.append(new AccelLineEditPlugin);
     cw.append(new ActionSelectorPlugin);
     cw.append(new InputFieldPlugin);
+    cw.append(new QuantitySpinBoxPlugin);
     cw.append(new CommandIconViewPlugin);
     cw.append(new UIntSpinBoxPlugin);
     cw.append(new ColorButtonPlugin);