X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/afc306fc5098945e25027fd6bce572d44a8a139f..ef114e9b86efa3b430985888d3d7630ebd5d81fb:/midend.c

diff --git a/midend.c b/midend.c
index 779ca0c..87df28a 100644
--- a/midend.c
+++ b/midend.c
@@ -31,7 +31,7 @@ struct midend {
     const game *ourgame;
 
     game_params **presets;
-    char **preset_names;
+    char **preset_names, **preset_encodings;
     int npresets, presetsize;
 
     /*
@@ -115,6 +115,7 @@ midend *midend_new(frontend *fe, const game *ourgame,
     me->oldstate = NULL;
     me->presets = NULL;
     me->preset_names = NULL;
+    me->preset_encodings = NULL;
     me->npresets = me->presetsize = 0;
     me->anim_time = me->anim_pos = 0.0F;
     me->flash_time = me->flash_pos = 0.0F;
@@ -186,9 +187,11 @@ void midend_free(midend *me)
 	for (i = 0; i < me->npresets; i++) {
 	    sfree(me->presets[i]);
 	    sfree(me->preset_names[i]);
+	    sfree(me->preset_encodings[i]);
 	}
 	sfree(me->presets);
 	sfree(me->preset_names);
+	sfree(me->preset_encodings);
     }
     if (me->ui)
         me->ourgame->free_ui(me->ui);
@@ -212,7 +215,7 @@ static void midend_size_new_drawstate(midend *me)
     }
 }
 
-void midend_size(midend *me, int *x, int *y, int expand)
+void midend_size(midend *me, int *x, int *y, int user_size)
 {
     int min, max;
     int rx, ry;
@@ -230,11 +233,14 @@ void midend_size(midend *me, int *x, int *y, int expand)
 
     /*
      * Find the tile size that best fits within the given space. If
-     * `expand' is TRUE, we must actually find the _largest_ such
-     * tile size; otherwise, we bound above at the game's preferred
-     * tile size.
+     * `user_size' is TRUE, we must actually find the _largest_ such
+     * tile size, in order to get as close to the user's explicit
+     * request as possible; otherwise, we bound above at the game's
+     * preferred tile size, so that the game gets what it wants
+     * provided that this doesn't break the constraint from the
+     * front-end (which is likely to be a screen size or similar).
      */
-    if (expand) {
+    if (user_size) {
 	max = 1;
 	do {
 	    max *= 2;
@@ -264,6 +270,9 @@ void midend_size(midend *me, int *x, int *y, int expand)
      */
 
     me->tilesize = min;
+    if (user_size)
+        /* If the user requested a change in size, make it permanent. */
+        me->preferred_tilesize = me->tilesize;
     midend_size_new_drawstate(me);
     *x = me->winwidth;
     *y = me->winheight;
@@ -830,10 +839,14 @@ int midend_num_presets(midend *me)
                                       game_params *);
                 me->preset_names = sresize(me->preset_names, me->presetsize,
                                            char *);
+                me->preset_encodings = sresize(me->preset_encodings,
+					       me->presetsize, char *);
             }
 
             me->presets[me->npresets] = preset;
             me->preset_names[me->npresets] = name;
+            me->preset_encodings[me->npresets] =
+		me->ourgame->encode_params(preset, TRUE);;
             me->npresets++;
         }
     }
@@ -884,10 +897,14 @@ int midend_num_presets(midend *me)
                                           game_params *);
                     me->preset_names = sresize(me->preset_names,
                                                me->presetsize, char *);
+                    me->preset_encodings = sresize(me->preset_encodings,
+						   me->presetsize, char *);
                 }
 
                 me->presets[me->npresets] = preset;
                 me->preset_names[me->npresets] = dupstr(name);
+                me->preset_encodings[me->npresets] =
+		    me->ourgame->encode_params(preset, TRUE);
                 me->npresets++;
             }
         }
@@ -904,6 +921,22 @@ void midend_fetch_preset(midend *me, int n,
     *params = me->presets[n];
 }
 
+int midend_which_preset(midend *me)
+{
+    char *encoding = me->ourgame->encode_params(me->params, TRUE);
+    int i, ret;
+
+    ret = -1;
+    for (i = 0; i < me->npresets; i++)
+	if (!strcmp(encoding, me->preset_encodings[i])) {
+	    ret = i;
+	    break;
+	}
+
+    sfree(encoding);
+    return ret;
+}
+
 int midend_wants_statusbar(midend *me)
 {
     return me->ourgame->wants_statusbar;