+ Set number of deciamls with GUI

src/Gui/DlgSettingsUnits.ui

@@ -19,8 +19,8 @@
      <property name="title">
       <string>Units settings</string>
      </property>
-     <layout class="QVBoxLayout" name="verticalLayout">
-      <item>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0">
        <layout class="QHBoxLayout" name="horizontalLayout">
         <item>
          <widget class="QLabel" name="label">
@@ -50,7 +50,28 @@
         </item>
        </layout>
       </item>
-      <item>
+      <item row="1" column="0">
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Number of decimals:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QSpinBox" name="spinBoxDecimals">
+          <property name="minimum">
+           <number>1</number>
+          </property>
+          <property name="maximum">
+           <number>12</number>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item row="2" column="0">
        <widget class="QTableWidget" name="tableWidget">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Expanding" vsizetype="MinimumExpanding">
@@ -73,6 +94,19 @@
         </column>
        </widget>
       </item>
+      <item row="3" column="0">
+       <spacer name="verticalSpacer">
+        <property name="orientation">
+         <enum>Qt::Vertical</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>20</width>
+          <height>79</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
      </layout>
     </widget>
    </item>

src/Gui/DlgSettingsUnitsImp.cpp

@@ -27,6 +27,7 @@
 # include <QRegExp>
 #endif
 
+#include "ui_DlgSettingsUnits.h"
 #include "DlgSettingsUnitsImp.h"
 #include "NavigationStyle.h"
 #include "PrefWidgets.h"
@@ -45,18 +46,12 @@ using namespace Base;
  *  name 'name' and widget flags set to 'f' 
  */
 DlgSettingsUnitsImp::DlgSettingsUnitsImp(QWidget* parent)
-    : PreferencePage( parent )
+    : PreferencePage( parent ), ui(new Ui_DlgSettingsUnits)
 {
-    this->setupUi(this);
-    //this->setEnabled(false);
-    retranslate();
+    ui->setupUi(this);
 
     //fillUpListBox();
-
-    QObject::connect(comboBox_ViewSystem, SIGNAL(currentIndexChanged(int)), this, SLOT(currentIndexChanged(int)));
-
-	tableWidget->setVisible(false);
-
+    ui->tableWidget->setVisible(false);
 }
 
 /** 
@@ -65,6 +60,7 @@ DlgSettingsUnitsImp::DlgSettingsUnitsImp(QWidget* parent)
 DlgSettingsUnitsImp::~DlgSettingsUnitsImp()
 {
     // no need to delete child widgets, Qt does it all for us
+    delete ui;
 }
 
 void DlgSettingsUnitsImp::fillUpListBox()
@@ -79,11 +75,10 @@ void DlgSettingsUnitsImp::fillUpListBox()
     //}
 }
 
-void DlgSettingsUnitsImp::currentIndexChanged(int index)
+void DlgSettingsUnitsImp::on_comboBox_ViewSystem_currentIndexChanged(int index)
 {
     if (index < 0)
         return; // happens when clearing the combo box in retranslateUi()
-    assert(index>-1 && index <3);
 
     UnitsApi::setSchema((UnitSystem)index);
 
@@ -96,15 +91,17 @@ void DlgSettingsUnitsImp::saveSettings()
     // where we set some attributes afterwards
     ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
         ("User parameter:BaseApp/Preferences/Units");
-    hGrp->SetInt("UserSchema", comboBox_ViewSystem->currentIndex());
+    hGrp->SetInt("UserSchema", ui->comboBox_ViewSystem->currentIndex());
+    hGrp->SetInt("Decimals", ui->spinBoxDecimals->value());
+    Base::UnitsApi::setDecimals(ui->spinBoxDecimals->value());
 }
 
 void DlgSettingsUnitsImp::loadSettings()
 {
-    
     ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
         ("User parameter:BaseApp/Preferences/Units");
-    comboBox_ViewSystem->setCurrentIndex(hGrp->GetInt("UserSchema",0));
+    ui->comboBox_ViewSystem->setCurrentIndex(hGrp->GetInt("UserSchema",0));
+    ui->spinBoxDecimals->setValue(hGrp->GetInt("Decimals",Base::UnitsApi::getDecimals()));
 }
 
 /**
@@ -113,16 +110,13 @@ void DlgSettingsUnitsImp::loadSettings()
 void DlgSettingsUnitsImp::changeEvent(QEvent *e)
 {
     if (e->type() == QEvent::LanguageChange) {
-        retranslateUi(this);
-        retranslate();
+        int index = ui->comboBox_ViewSystem->currentIndex();
+        ui->retranslateUi(this);
+        ui->comboBox_ViewSystem->setCurrentIndex(index);
     }
     else {
         QWidget::changeEvent(e);
     }
 }
 
-void DlgSettingsUnitsImp::retranslate()
-{
-}
-
 #include "moc_DlgSettingsUnitsImp.cpp"

src/Gui/DlgSettingsUnitsImp.h

@@ -24,7 +24,6 @@
 #ifndef GUI_DIALOG_DLGSETTINGSUnitsIMP_H
 #define GUI_DIALOG_DLGSETTINGSUnitsIMP_H
 
-#include "ui_DlgSettingsUnits.h"
 #include "PropertyPage.h"
 
 namespace Gui {
@@ -35,7 +34,8 @@ namespace Dialog {
  * for the Unit system.
  * \author Jürgen Riegel
  */
-class DlgSettingsUnitsImp : public PreferencePage, public Ui_DlgSettingsUnits
+class Ui_DlgSettingsUnits;
+class DlgSettingsUnitsImp : public PreferencePage
 {
     Q_OBJECT
 
@@ -48,13 +48,14 @@ public:
 
 protected:
     void changeEvent(QEvent *e);
-    void retranslate();
 
     void fillUpListBox(void);
 
 public Q_SLOTS:
-    void currentIndexChanged(int index);
+    void on_comboBox_ViewSystem_currentIndexChanged(int index);
 
+private:
+    Ui_DlgSettingsUnits* ui;
 };
 
 } // namespace Dialog