UI nit: make cursor visible upon use of A/S/D keyboard controls.

[sgt/puzzles] / midend.c

diff --git a/midend.c b/midend.c
index 63ba193..9a6a403 100644 (file)
--- a/midend.c
+++ b/midend.c
@@ -333,7 +333,7 @@ int midend_wants_statusbar(midend_data *me)
 
 config_item *midend_get_config(midend_data *me, int which, char **wintitle)
 {
-    char *titlebuf;
+    char *titlebuf, *parstr;
     config_item *ret;
 
     titlebuf = snewn(40 + strlen(game_name), char);
@@ -352,7 +352,15 @@ config_item *midend_get_config(midend_data *me, int which, char **wintitle)
        ret[0].type = C_STRING;
        ret[0].name = "Game ID";
        ret[0].ival = 0;
-       ret[0].sval = dupstr(me->seed);
+        /*
+         * The text going in here will be a string encoding of the
+         * parameters, plus a colon, plus the game seed. This is a
+         * full game ID.
+         */
+        parstr = encode_params(me->params);
+        ret[0].sval = snewn(strlen(parstr) + strlen(me->seed) + 2, char);
+        sprintf(ret[0].sval, "%s:%s", parstr, me->seed);
+        sfree(parstr);
 
        ret[1].type = C_END;
        ret[1].name = ret[1].sval = NULL;
@@ -365,6 +373,59 @@ config_item *midend_get_config(midend_data *me, int which, char **wintitle)
     return NULL;
 }
 
+char *midend_game_id(midend_data *me, char *id, int def_seed)
+{
+    char *error, *par, *seed;
+    game_params *params;
+
+    seed = strchr(id, ':');
+
+    if (seed) {
+        /*
+         * We have a colon separating parameters from game seed. So
+         * `par' now points to the parameters string, and `seed' to
+         * the seed string.
+         */
+        *seed++ = '\0';
+        par = id;
+    } else {
+        /*
+         * We only have one string. Depending on `def_seed', we
+         * take it to be either parameters or seed.
+         */
+        if (def_seed) {
+            seed = id;
+            par = NULL;
+        } else {
+            seed = NULL;
+            par = id;
+        }
+    }
+
+    if (par) {
+        params = decode_params(par);
+        error = validate_params(params);
+        if (error) {
+            free_params(params);
+            return error;
+        }
+        free_params(me->params);
+        me->params = params;
+    }
+
+    if (seed) {
+        error = validate_seed(me->params, seed);
+        if (error)
+            return error;
+
+        sfree(me->seed);
+        me->seed = dupstr(seed);
+        me->fresh_seed = TRUE;
+    }
+
+    return NULL;
+}
+
 char *midend_set_config(midend_data *me, int which, config_item *cfg)
 {
     char *error;
@@ -385,14 +446,9 @@ char *midend_set_config(midend_data *me, int which, config_item *cfg)
        break;
 
       case CFG_SEED:
-       error = validate_seed(me->params, cfg[0].sval);
+        error = midend_game_id(me, cfg[0].sval, TRUE);
        if (error)
            return error;
-
-       sfree(me->seed);
-       me->seed = dupstr(cfg[0].sval);
-       me->fresh_seed = TRUE;
-
        break;
     }