cvar autocompletion

adds auto-completion (press tab) to the following cvar commands:

set, seta, reset, toggle - lists all cvars that starts with whatever you entered
setu, setau - lists all userinfo cvars
sets, setas - lists all serverinfo cvars


patch:

http://drop.st/5FnKtv

--- D:/Warsow/0.7B3/sdk_vanilla/source/qcommon/cvar.c      Sat Jun 25 15:04:16 2011
+++ D:/Warsow/0.7B3/sdk/source/qcommon/cvar.c   Sat Jul 21 16:27:00 2012
@@ -797,6 +797,38 @@
        return buf;
 }
 
+
+/*
+CVar_CompleteBuildList
+*/
+char **Cvar_CompleteBuildListWithFlag( const char *partial, cvar_flag_t flag )
+{
+       struct trie_dump_s *dump;
+       char **buf;
+       unsigned int i;
+
+       assert( cvar_trie );
+       Trie_DumpIf( cvar_trie, partial, TRIE_DUMP_VALUES, Cvar_HasFlags, &flag, &dump );
+       buf = (char **) Mem_TempMalloc( sizeof( char * ) * ( dump->size + 1 ) );
+       for( i = 0; i < dump->size; ++i )
+               buf = ( (cvar_t *) ( dump->key_value_vector.value ) )->name;
+       buf[dump->size] = NULL;
+       Trie_FreeDump( dump );
+       return buf;
+}
+
+
+char **Cvar_CompleteBuildListUser( const char *partial )
+{
+       return Cvar_CompleteBuildListWithFlag( partial, CVAR_USERINFO );
+}
+
+
+char **Cvar_CompleteBuildListServer( const char *partial )
+{
+       return Cvar_CompleteBuildListWithFlag( partial, CVAR_SERVERINFO );
+}
+
 /*
 * Cvar_PreInit
 */
@@ -833,6 +865,16 @@
        Cmd_AddCommand( "reset", Cvar_Reset_f );
        Cmd_AddCommand( "toggle", Cvar_Toggle_f );
        Cmd_AddCommand( "cvarlist", Cvar_List_f );
+
+       Cmd_SetCompletionFunc( "set", Cvar_CompleteBuildList );
+       Cmd_SetCompletionFunc( "seta", Cvar_CompleteBuildList );
+       Cmd_SetCompletionFunc( "reset", Cvar_CompleteBuildList );
+       Cmd_SetCompletionFunc( "toggle", Cvar_CompleteBuildList );
+       Cmd_SetCompletionFunc( "setau", Cvar_CompleteBuildListUser );
+       Cmd_SetCompletionFunc( "setas", Cvar_CompleteBuildListServer );
+       Cmd_SetCompletionFunc( "setu", Cvar_CompleteBuildListUser );
+       Cmd_SetCompletionFunc( "sets", Cvar_CompleteBuildListServer );
+
 #ifndef PUBLIC_BUILD
        Cmd_AddCommand( "cvararchivelist", Cvar_ArchiveList_f );
 #endif

applied, thanks