Fix issue fitting rectangular geometry dimensions; fix material suggestion popup.

Previously material suggestions seemed to be case-sensisitve, and just not quite right; now is fixed and acts as expected.
When fitting a rectangular geometry dimension in activity/shielding fit, the fit would fail; a logic check erroneously triggered this error; logic check fixed.

Author: wcjohns

src/InterSpec.cpp

@@ -7467,11 +7467,12 @@ void InterSpec::initMaterialDbAndSuggestions()
     WSuggestionPopup::Options popupOptions;
     popupOptions.highlightBeginTag  = "<b>";          //Open tag to highlight a match in a suggestion.
     popupOptions.highlightEndTag    = "</b>";         //Close tag to highlight a match in a suggestion.
-    popupOptions.listSeparator      = ',';            //(char) When editing a list of values, the separator used for different items.
-    popupOptions.whitespace         = " \\t()";       //When editing a value, the whitespace characters ignored before the current value.
-    popupOptions.wordSeparators     = "-_., ;()";     //To show suggestions based on matches of the edited value with parts of the suggestion.
-    popupOptions.appendReplacedText = "";             //When replacing the curr
-    m_shieldingSuggestion = new WSuggestionPopup( popupOptions );
+    popupOptions.listSeparator      = '\0';            //(char) When editing a list of values, the separator used for different items.
+    popupOptions.whitespace         = "";       //When editing a value, the whitespace characters ignored before the current value.
+    //popupOptions.wordSeparators     = "-_., ;()";     //To show suggestions based on matches of the edited value with parts of the suggestion.
+    popupOptions.wordStartRegexp = "\\s|^|\\(|\\<";       // Instead of using .wordSeparators, we will use the regex option to start matching at whitespaces, start of line, open-paren, and boundaries of words (probably a bit duplicative).
+    popupOptions.appendReplacedText = "";             //
+    m_shieldingSuggestion = new WSuggestionPopup( popupOptions, this );
     m_shieldingSuggestion->addStyleClass("suggestion");
 #if( WT_VERSION < 0x3070000 ) //I'm not sure what version of Wt "wtNoReparent" went away.
     m_shieldingSuggestion->setJavaScriptMember("wtNoReparent", "true");

src/ShieldingSourceDisplay.cpp

@@ -7050,6 +7050,10 @@ ShieldingSourceDisplay::Chi2FcnShrdPtr ShieldingSourceDisplay::shieldingFitnessF
           const bool fitHeight = mat ? select->fitRectangularHeightThickness() : false;
           const bool fitDepth = mat ? select->fitRectangularDepthThickness() : false;
 
+          num_fit_params += fitWidth;
+          num_fit_params += fitHeight;
+          num_fit_params += fitDepth;
+          
           if( fitWidth )
             inputPrams.Add( name + "_dx", width, std::max(2.5*PhysicalUnits::mm,0.25*width), 0, 1000.0*PhysicalUnits::m );
           else