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-rw-r--r--puzzles.but10
-rw-r--r--singles.c26
2 files changed, 33 insertions, 3 deletions
diff --git a/puzzles.but b/puzzles.but
index 5e86283..18546ac 100644
--- a/puzzles.but
+++ b/puzzles.but
@@ -2866,7 +2866,9 @@ Singles was contributed to this collection by James Harvey.
Left-clicking on an empty square will colour it black; left-clicking again
will restore the number. Right-clicking will add a circle (useful for
-indicating that a cell is definitely not black).
+indicating that a cell is definitely not black). Clicking outside the
+grid will toggle whether black squares completely hide the numbers on
+them, or display them in dark grey.
You can also use the cursor keys to move around the grid. Pressing the
return or space keys will turn a square black or add a circle respectively,
@@ -2887,6 +2889,12 @@ These parameters are available from the \q{Custom...} option on the
\dd Controls the difficulty of the generated puzzle.
+\H{Singles-prefs} \I{preferences, for Singles}Singles user preferences
+
+On platforms that support user preferences, the \q{Preferences} option
+on the \q{Game} menu will let you configure whether numbers on black
+squares are visible. Unlike clicking outside the grid, this will
+persist between games.
\C{magnets} \i{Magnets}
diff --git a/singles.c b/singles.c
index 172e0bf..340d7b5 100644
--- a/singles.c
+++ b/singles.c
@@ -1456,6 +1456,28 @@ static game_ui *new_ui(const game_state *state)
return ui;
}
+static config_item *get_prefs(game_ui *ui)
+{
+ config_item *ret;
+
+ ret = snewn(2, config_item);
+
+ ret[0].name = "Show numbers on black squares";
+ ret[0].kw = "show-black-nums";
+ ret[0].type = C_BOOLEAN;
+ ret[0].u.boolean.bval = ui->show_black_nums;
+
+ ret[1].name = NULL;
+ ret[1].type = C_END;
+
+ return ret;
+}
+
+static void set_prefs(game_ui *ui, const config_item *cfg)
+{
+ ui->show_black_nums = cfg[0].u.boolean.bval;
+}
+
static void free_ui(game_ui *ui)
{
sfree(ui);
@@ -1525,7 +1547,7 @@ static char *interpret_move(const game_state *state, game_ui *ui,
}
if (!INGRID(state, x, y)) {
ui->show_black_nums = !ui->show_black_nums;
- action = UI; /* this wants to be a per-game option. */
+ action = UI;
} else if (button == LEFT_BUTTON) {
action = TOGGLE_BLACK;
} else if (button == RIGHT_BUTTON) {
@@ -1851,7 +1873,7 @@ const struct game thegame = {
free_game,
true, solve_game,
true, game_can_format_as_text_now, game_text_format,
- NULL, NULL, /* get_prefs, set_prefs */
+ get_prefs, set_prefs,
new_ui,
free_ui,
NULL, /* encode_ui */