Eeschema find bug fixes. (fixes lp:1199689)

* Force search when wrap past end of list option changes state.
* Fix SCH_FIELD::Matches() for bug in user defined fields which have an ID
  of -1.
* Minor improvements to the find data names to improve source code readability.

eeschema/dialogs/dialog_schematic_find.h

@@ -81,10 +81,10 @@ enum SchematicFindReplaceFlags
 
 
 /**
- * Definition FR_MASK_NON_SEARCH_FLAGS
+ * Definition FR_MASK_NON_COMPARE_FLAGS
  * is used to mask find/replace flag bits that do not effect the search results.
  */
-#define FR_MASK_NON_SEARCH_FLAGS  ~( wxFR_DOWN | FR_SEARCH_WRAP | FR_NO_WARP_CURSOR | \
+#define FR_MASK_NON_COMPARE_FLAGS  ~( wxFR_DOWN | FR_SEARCH_WRAP | FR_NO_WARP_CURSOR | \
                                       FR_REPLACE_ITEM_FOUND )
 
 
@@ -122,29 +122,30 @@ public:
 
 
     /**
-     * Function ChangesSearch
-     * tests \a aFindReplaceData to see if it would result in a change in the search
-     * results.
+     * Function ChangesCompare
+     * tests \a aFindReplaceData to see if it would result in a change in the search string
+     * comparison results.
      *
      * @param aFindReplaceData A reference to a #SCH_FIND_REPLACE_DATA object to compare
      *                         against.
      * @return True if \a aFindReplaceData would result in a search and/or replace change,
      *         otherwise false.
      */
-    bool ChangesSearch( SCH_FIND_REPLACE_DATA& aFindReplaceData )
+    bool ChangesCompare( SCH_FIND_REPLACE_DATA& aFindReplaceData )
     {
         return ( (GetFindString() != aFindReplaceData.GetFindString())
-              || (GetSearchFlags() != aFindReplaceData.GetSearchFlags()) );
+              || (GetCompareFlags() != aFindReplaceData.GetCompareFlags()) );
     }
 
     bool IsReplacing() const { return (GetFlags() & FR_SEARCH_REPLACE) != 0; }
+    bool IsWrapping() const { return (GetFlags() & FR_SEARCH_WRAP) != 0; }
 
 private:
     /**
      * Function GetSearchFlags
      * @return The flags that only effect the search result.
      */
-    wxUint32 GetSearchFlags() const { return GetFlags() & FR_MASK_NON_SEARCH_FLAGS; }
+    wxUint32 GetCompareFlags() const { return GetFlags() & FR_MASK_NON_COMPARE_FLAGS; }
 };
 
 

eeschema/sch_collectors.cpp

@@ -516,7 +516,7 @@ SEARCH_RESULT SCH_FIND_COLLECTOR::Inspect( EDA_ITEM* aItem, const void* aTestDat
 void SCH_FIND_COLLECTOR::Collect( SCH_FIND_REPLACE_DATA& aFindReplaceData,
                                   SCH_SHEET_PATH* aSheetPath )
 {
-    if( !m_findReplaceData.ChangesSearch( aFindReplaceData ) && !m_List.empty() && !m_forceSearch )
+    if( !IsSearchRequired( aFindReplaceData ) && !m_List.empty() && !m_forceSearch )
         return;
 
     m_findReplaceData = aFindReplaceData;

eeschema/sch_collectors.h

@@ -296,7 +296,8 @@ public:
      */
     bool IsSearchRequired( SCH_FIND_REPLACE_DATA& aFindReplaceData )
     {
-        return m_findReplaceData.ChangesSearch( aFindReplaceData ) || m_forceSearch;
+        return m_findReplaceData.ChangesCompare( aFindReplaceData ) || m_forceSearch ||
+               (m_findReplaceData.IsWrapping() != aFindReplaceData.IsWrapping());
     }
 
     /**

eeschema/sch_field.cpp

@@ -390,7 +390,8 @@ bool SCH_FIELD::Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint
     bool match;
     wxString text = GetFullyQualifiedText();
 
-    if( ((m_id > VALUE) && !(aSearchData.GetFlags() & FR_SEARCH_ALL_FIELDS))
+    // User defined fields have an ID of -1.
+    if( ((m_id > VALUE || m_id < REFERENCE) && !(aSearchData.GetFlags() & FR_SEARCH_ALL_FIELDS))
         || ((m_id == REFERENCE) && !(aSearchData.GetFlags() & FR_REPLACE_REFERENCES)) )
         return false;