From 46acd2f6a2ad32cb3ed56b551925dd483e8a55bc Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Thu, 8 Mar 2018 12:45:59 -0300
Subject: [PATCH] Units: Fixed Building Imperial schema - closes #2792

---
 src/Base/UnitsSchemaImperial1.cpp | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/Base/UnitsSchemaImperial1.cpp b/src/Base/UnitsSchemaImperial1.cpp
index a7bc7c919f..a8f5ad60bd 100644
--- a/src/Base/UnitsSchemaImperial1.cpp
+++ b/src/Base/UnitsSchemaImperial1.cpp
@@ -235,15 +235,23 @@ QString UnitsSchemaImperialBuilding::schemaTranslate(const Quantity &quant, doub
         // feet
         if (feet > 0) {
             output << feet << "'";
-            if ( (inches > 0) || (fraction > 0.0625) )
-                output << " ";
+            if ( (inches > 0) || (fraction > 0.0625) ) {
+                if (quant.getValue() < 0)
+                    output << " -";
+                else
+                    output << " ";
+            }
         }
 
         // inches
         if (inches > 0) {
             output << inches;
-            if (fraction > 0.0625)
-                output << "+";
+            if (fraction > 0.0625) {
+                if (quant.getValue() < 0)
+                    output << "-";
+                else
+                    output << "+";
+            }
             else
                 output << "\"";
         }