Added support for fractional inch user setting.

src/Base/Quantity.cpp

@@ -44,6 +44,10 @@
 
 using namespace Base;
 
+// ====== Static attributes =========================
+int QuantityFormat::defaultDenominator = 8; // for 1/8"
+
+
 QuantityFormat::QuantityFormat()
   : option(static_cast<NumberOption>(OmitGroupSeparator | RejectGroupSeparator))
   , format(Fixed)

src/Base/Quantity.h

@@ -52,6 +52,19 @@ struct QuantityFormat {
     NumberFormat format;
     int precision;
 
+    // Default denominator of minimum fractional inch. Only used in certain 
+    // schemas.
+    static int defaultDenominator; // i.e 8 for 1/8"
+
+    static inline int getDenominator() {
+        return defaultDenominator;
+    }
+
+    static inline void setDenominator(int denom)
+    {
+        defaultDenominator = denom;
+    }
+
     QuantityFormat();
     inline char toFormat() const {
         switch (format) {

src/Base/UnitsSchemaImperial1.cpp

@@ -229,10 +229,8 @@ QString UnitsSchemaImperialBuilding::schemaTranslate(const Quantity &quant, doub
         int       a,b,d;   // used to compute greatest common denominator
         int       tmp;     // temporary variable for GCD
 
-        // TEMPORARY: This will be replaced by a user setting when time permits.
-        // For now, it will be hardcoded to emulate the previous (1/8")
-        // behavior.
-        minden = 8; // 1/8"
+        // Get the current user specified minimum denominator
+        minden = Base::QuantityFormat::getDenominator();
 
         // Compute and round the total number of fractional units
         ntot = (int)std::round(totalInches * (double)minden);