+ fixes #0001652: Proper support of units for all geometric primitives

src/Mod/Part/Gui/DlgExtrusion.cpp

@@ -62,7 +62,7 @@ DlgExtrusion::DlgExtrusion(QWidget* parent, Qt::WFlags fl)
     ui->dirY->setDecimals(Base::UnitsApi::getDecimals());
     ui->dirZ->setDecimals(Base::UnitsApi::getDecimals());
     ui->dirLen->setDecimals(Base::UnitsApi::getDecimals());
-    ui->taperAngle->setDecimals(Base::UnitsApi::getDecimals());
+    ui->taperAngle->setUnit(Base::Unit::Angle);
     ui->dirLen->setMinimumWidth(55); // needed to show all digits
     findShapes();
 
@@ -182,7 +182,7 @@ void DlgExtrusion::apply()
         double dirX = ui->dirX->value();
         double dirY = ui->dirY->value();
         double dirZ = ui->dirZ->value();
-        double angle = ui->taperAngle->value();
+        double angle = ui->taperAngle->value().getValue();
         bool makeSolid = ui->makeSolid->isChecked();
 
         // inspect geometry

src/Mod/Part/Gui/DlgExtrusion.ui

@@ -197,7 +197,7 @@
       </widget>
      </item>
      <item>
-      <widget class="QDoubleSpinBox" name="taperAngle">
+      <widget class="Gui::QuantitySpinBox" name="taperAngle">
        <property name="minimum">
         <double>-180.000000000000000</double>
        </property>
@@ -244,6 +244,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>Gui::QuantitySpinBox</class>
+   <extends>QWidget</extends>
+   <header>Gui/QuantitySpinBox.h</header>
+  </customwidget>
+ </customwidgets>
  <tabstops>
   <tabstop>treeWidget</tabstop>
   <tabstop>dirX</tabstop>