Add the percent sign as a symbol that is inserted when % is pressed

starmath/inc/cursor.hxx

@@ -52,7 +52,8 @@ enum SmFormulaElement{
     CDotElement,
     EqualElement,
     LessThanElement,
-    GreaterThanElement
+    GreaterThanElement,
+    PercentElement
 };
 
 /** Bracket types that can be inserted */

starmath/inc/types.hxx

@@ -198,7 +198,9 @@ enum MathSymbol
     MS_SETZ         = (sal_Unicode) 0x2124,
     MS_SETQ         = (sal_Unicode) 0x211A,
     MS_SETR         = (sal_Unicode) 0x211D,
-    MS_SETC         = (sal_Unicode) 0x2102
+    MS_SETC         = (sal_Unicode) 0x2102,
+
+    MS_PERCENT      = (sal_Unicode) 0x0025
 };
 
 #endif

starmath/source/cursor.cxx

@@ -1058,6 +1058,15 @@ void SmCursor::InsertElement(SmFormulaElement element){
             token.aText.AssignAscii(">");
             pNewNode = new SmMathSymbolNode(token);
         }break;
+        case PercentElement:
+        {
+            SmToken token;
+            token.eType = TTEXT;
+            token.cMathChar = MS_PERCENT;
+            token.nGroup = 0;
+            token.aText.AssignAscii("\"%\"");
+            pNewNode = new SmMathSymbolNode(token);
+        }break;
         default:
             j_assert(false, "Element unknown!");
     }

starmath/source/view.cxx

@@ -513,6 +513,8 @@ void SmGraphicWindow::KeyInput(const KeyEvent& rKEvt)
                 rCursor.InsertBrackets(CurlyBrackets);
             }else if(code == '!') {
                 rCursor.InsertElement(FactorialElement);
+            }else if(code == '%') {
+                rCursor.InsertElement(PercentElement);
             }else{
                 if(code != 0){
                     rCursor.InsertText(code);