Make sure ResetGridSizes works for SCH apps.

common/settings/app_settings.cpp

@@ -377,6 +377,18 @@ void APP_SETTINGS_BASE::addParamsForWindow( WINDOW_SETTINGS* aWindow, const std:
 
 
 const std::vector<wxString> APP_SETTINGS_BASE::DefaultGridSizeList() const
+{
+    if( m_filename == "eeschema" || m_filename == "symbol_editor" )
+    {
+        return { "100 mil",
+                 "50 mil",
+                 "25 mil",
+                 "10 mil",
+                 "5 mil",
+                 "2 mil",
+                 "1 mil" };
+    }
+    else
     {
         return { "1000 mil",
                  "500 mil",
@@ -401,6 +413,7 @@ const std::vector<wxString> APP_SETTINGS_BASE::DefaultGridSizeList() const
                  "0.025 mm",
                  "0.01 mm" };
     }
+}
 
 
 bool APP_SETTINGS_BASE::migrateLibTreeWidth()

include/settings/app_settings.h

@@ -167,13 +167,7 @@ public:
 
     virtual bool MigrateFromLegacy( wxConfigBase* aCfg ) override;
 
-    /**
+    const std::vector<wxString> DefaultGridSizeList() const;
-     * By default, this returns the list of grids available in PcbNew-based applications.
-     * Eeschema does not allow customization of the grid.  If it ever does, override this in
-     * Eeschema settings to provide a different set of defaults.
-     * @return a default value for the window.grid.sizes parameter
-     */
-    virtual const std::vector<wxString> DefaultGridSizeList() const;
 
 public:
     CROSS_PROBING_SETTINGS m_CrossProbing;