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Add a new midend function to reset the tile size to the puzzle's

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default (but still counting the <puzzle>_TILESIZE user preference
environment variables, where available).

[originally from svn r9820]
This commit is contained in:
Simon Tatham
2013-04-07 10:24:35 +00:00
parent ea25b606cb
commit c55e954854
3 changed files with 41 additions and 19 deletions
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16
devel.but
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@ -2812,6 +2812,22 @@ that \e{and} set the \c{user_size} flag, though!
The midend relies on the frontend calling \cw{midend_new_game()}
(\k{midend-new-game}) before calling \cw{midend_size()}.
\H{midend-reset-tilesize} \cw{midend_reset_tilesize()}
\c void midend_reset_tilesize(midend *me);
This function resets the midend's preferred tile size to that of the
standard puzzle.
As discussed in \k{midend-size}, puzzle resizes are typically
'sticky', in that once the user has dragged the puzzle to a different
window size, the resulting tile size will be remembered and used when
the puzzle configuration changes. If you \e{don't} want that, e.g. if
you want to provide a command to explicitly reset the puzzle size back
to its default, then you can call this just before calling
\cw{midend_size()} (which, in turn, you would probably call with
\c{user_size} set to \cw{FALSE}).
\H{midend-new-game} \cw{midend_new_game()}
\c void midend_new_game(midend *me);

43
midend.c
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@ -94,6 +94,29 @@ struct midend {
} \
} while (0)
void midend_reset_tilesize(midend *me)
{
me->preferred_tilesize = me->ourgame->preferred_tilesize;
{
/*
* Allow an environment-based override for the default tile
* size by defining a variable along the lines of
* `NET_TILESIZE=15'.
*/
char buf[80], *e;
int j, k, ts;
sprintf(buf, "%s_TILESIZE", me->ourgame->name);
for (j = k = 0; buf[j]; j++)
if (!isspace((unsigned char)buf[j]))
buf[k++] = toupper((unsigned char)buf[j]);
buf[k] = '\0';
if ((e = getenv(buf)) != NULL && sscanf(e, "%d", &ts) == 1 && ts > 0)
me->preferred_tilesize = ts;
}
}
midend *midend_new(frontend *fe, const game *ourgame,
const drawing_api *drapi, void *drhandle)
{
@ -153,25 +176,7 @@ midend *midend_new(frontend *fe, const game *ourgame,
else
me->drawing = NULL;
me->preferred_tilesize = ourgame->preferred_tilesize;
{
/*
* Allow an environment-based override for the default tile
* size by defining a variable along the lines of
* `NET_TILESIZE=15'.
*/
char buf[80], *e;
int j, k, ts;
sprintf(buf, "%s_TILESIZE", me->ourgame->name);
for (j = k = 0; buf[j]; j++)
if (!isspace((unsigned char)buf[j]))
buf[k++] = toupper((unsigned char)buf[j]);
buf[k] = '\0';
if ((e = getenv(buf)) != NULL && sscanf(e, "%d", &ts) == 1 && ts > 0)
me->preferred_tilesize = ts;
}
midend_reset_tilesize(me);
sfree(randseed);

1
puzzles.h
View File

@ -232,6 +232,7 @@ const game *midend_which_game(midend *me);
void midend_set_params(midend *me, game_params *params);
game_params *midend_get_params(midend *me);
void midend_size(midend *me, int *x, int *y, int user_size);
void midend_reset_tilesize(midend *me);
void midend_new_game(midend *me);
void midend_restart_game(midend *me);
void midend_stop_anim(midend *me);