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Make encode_ui() and decode_ui() optional in back-ends

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The majority of back-ends define encode_ui() to return NULL and
decode_ui() to do nothing.  This commit allows them to instead specify
the relevant function pointers as NULL, in which case the mid-end won't
try to call them.

I'm planning to add a parameter to decode_ui(), and if I'm going to have
to touch every back-end's version of decode_ui(), I may as well ensure
that most of them never need to be touched again.  And obviously
encode_ui() should go the same way for symmetry.
This commit is contained in:
Ben Harris
2023-02-13 22:41:40 +00:00
parent e411db788c
commit 418cb3a567
42 changed files with 88 additions and 445 deletions
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13
unfinished/slide.c
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@ -1217,15 +1217,6 @@ static void free_ui(game_ui *ui)
sfree(ui);
}
static char *encode_ui(const game_ui *ui)
{
return NULL;
}
static void decode_ui(game_ui *ui, const char *encoding)
{
}
static void game_changed_state(game_ui *ui, const game_state *oldstate,
const game_state *newstate)
{
@ -2337,8 +2328,8 @@ const struct game thegame = {
true, game_can_format_as_text_now, game_text_format,
new_ui,
free_ui,
encode_ui,
decode_ui,
NULL, /* encode_ui */
NULL, /* decode_ui */
NULL, /* game_request_keys */
game_changed_state,
NULL, /* current_key_label */