Define XOP mime type for XBoard

Supply a white-knight icon for this mime type, called application/x-xboard-opt,
and a sesktop file to associate it with running XBoard with this settings file.

Author: HGMuller

Makefile.am

@@ -186,10 +186,13 @@ if ENABLE_UPDATE_MIMEDB
 		$(XDG_DESKTOP_MENU) install --mode system --novendor xboard-pgn-viewer.desktop;\
 		$(XDG_DESKTOP_MENU) install --mode system --novendor xboard-fen-viewer.desktop;\
 		$(XDG_DESKTOP_MENU) install --mode system --novendor xboard-tourney.desktop;\
+		$(XDG_DESKTOP_MENU) install --mode system --novendor xboard-config.desktop;\
 		$(XDG_ICON_RESOURCE) install --context mimetypes --size 32 pixmaps/board32.xpm application-x-chess-pgn;\
 		$(XDG_ICON_RESOURCE) install --context mimetypes --size 32 pixmaps/cross32.xpm application-x-xboard-trn;\
+		$(XDG_ICON_RESOURCE) install --context mimetypes --size 32 pixmaps/ini32.xpm application-x-xboard-opt;\
 		$(XDG_ICON_RESOURCE) install --context mimetypes --size 48 pixmaps/board48.xpm application-x-chess-pgn;\
 		$(XDG_ICON_RESOURCE) install --context mimetypes --size 48 pixmaps/cross48.xpm application-x-xboard-trn;\
+		$(XDG_ICON_RESOURCE) install --context mimetypes --size 48 pixmaps/ini48.xpm application-x-xboard-opt;\
 	fi
 endif
 
@@ -200,9 +203,12 @@ if ENABLE_UPDATE_MIMEDB
 		$(XDG_DESKTOP_MENU) uninstall --mode system --novendor xboard-pgn-viewer.desktop;\
 		$(XDG_DESKTOP_MENU) uninstall --mode system --novendor xboard-fen-viewer.desktop;\
 		$(XDG_DESKTOP_MENU) uninstall --mode system --novendor xboard-tourney.desktop;\
+		$(XDG_DESKTOP_MENU) uninstall --mode system --novendor xboard-config.desktop;\
 		$(XDG_ICON_RESOURCE) uninstall --context mimetypes --size 32 board32.xpm application-x-chess-pgn;\
 		$(XDG_ICON_RESOURCE) uninstall --context mimetypes --size 32 cross32.xpm application-x-xboard-trn;\
+		$(XDG_ICON_RESOURCE) uninstall --context mimetypes --size 32 ini32.xpm application-x-xboard-opt;\
 		$(XDG_ICON_RESOURCE) uninstall --context mimetypes --size 48 board48.xpm application-x-chess-pgn;\
 		$(XDG_ICON_RESOURCE) uninstall --context mimetypes --size 48 cross48.xpm application-x-xboard-trn;\
+		$(XDG_ICON_RESOURCE) uninstall --context mimetypes --size 48 ini48.xpm application-x-xboard-opt;\
 	fi
 endif

xboard.xml

@@ -58,4 +58,10 @@
       <match value="-participants {" type="string" offset="0"/>
     </magic>
   </mime-type>
+  <mime-type type="application/x-xboard-opt">
+    <comment>XBoard options</comment>
+    <generic-icon name="application-x-xboard-opt"/>
+    <glob pattern="*.xop"/>
+    <sub-class-of type="text/plain"/>
+  </mime-type>
 </mime-info>