[TD]add preference methods for Projection Group

src/Mod/TechDraw/App/Preferences.cpp

@@ -155,6 +155,21 @@ int Preferences::projectionAngle()
     return getPreferenceGroup("General")->GetInt("ProjectionAngle", 0);  //First Angle
 }
 
+bool Preferences::groupAutoDistribute()
+{
+    return getPreferenceGroup("General")->GetBool("AutoDist", true);
+}
+
+double Preferences::groupSpaceX()
+{
+    return getPreferenceGroup("General")->GetFloat("GroupSpaceX", 15.0);
+}
+
+double Preferences::groupSpaceY()
+{
+    return getPreferenceGroup("General")->GetFloat("GroupSpaceY", 15.0);
+}
+
 int Preferences::lineGroup()
 {
     return getPreferenceGroup("Decorations")->GetInt("LineGroup", 3);  // FC 0.70mm

src/Mod/TechDraw/App/Preferences.h

@@ -65,6 +65,9 @@ public:
     static bool keepPagesUpToDate();
 
     static int projectionAngle();
+    static bool groupAutoDistribute();
+    static double groupSpaceX();
+    static double groupSpaceY();
 
     static int balloonArrow();
     static double balloonKinkLength();