Add a new tilemap control that replicates its children into a fixed grid.

Use it for the Edit Terrain Object dialog.

proj/vs2017/Common/Common.vcxproj

@@ -363,6 +363,7 @@
     <ClCompile Include="..\..\..\src\dialogxml\widgets\scrollbar.cpp" />
     <ClCompile Include="..\..\..\src\dialogxml\widgets\scrollpane.cpp" />
     <ClCompile Include="..\..\..\src\dialogxml\widgets\stack.cpp" />
+    <ClCompile Include="..\..\..\src\dialogxml\widgets\tilemap.cpp" />
     <ClCompile Include="..\..\..\src\fileio\debugout.win.cpp" />
     <ClCompile Include="..\..\..\src\fileio\estreams.cpp" />
     <ClCompile Include="..\..\..\src\fileio\fileio.cpp" />
@@ -459,6 +460,7 @@
     <ClInclude Include="..\..\..\src\dialogxml\widgets\scrollbar.hpp" />
     <ClInclude Include="..\..\..\src\dialogxml\widgets\scrollpane.hpp" />
     <ClInclude Include="..\..\..\src\dialogxml\widgets\stack.hpp" />
+    <ClInclude Include="..\..\..\src\dialogxml\widgets\tilemap.hpp" />
     <ClInclude Include="..\..\..\src\fields.hpp" />
     <ClInclude Include="..\..\..\src\fileio\fileio.hpp" />
     <ClInclude Include="..\..\..\src\fileio\gzstream\gzstream.h" />

proj/vs2017/Common/Common.vcxproj.filters

@@ -802,6 +802,9 @@
     <ClCompile Include="..\..\..\src\dialogxml\widgets\stack.cpp">
       <Filter>DialogXML\Widgets</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\dialogxml\widgets\tilemap.cpp">
+      <Filter>DialogXML\Widgets</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\fileio\resmgr\res_cursor.cpp" />
     <ClCompile Include="..\..\..\src\fileio\resmgr\res_dialog.cpp" />
     <ClCompile Include="..\..\..\src\fileio\resmgr\res_font.cpp" />
@@ -1052,6 +1055,9 @@
     <ClInclude Include="..\..\..\src\dialogxml\widgets\stack.hpp">
       <Filter>DialogXML\Widgets</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\dialogxml\widgets\tilemap.hpp">
+      <Filter>DialogXML\Widgets</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\tools\replay.hpp" />
   </ItemGroup>
 </Project>