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Add functions provided by the midend to tell a front end whether GUI

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buttons for undo and redo should currently be greyed out.

[originally from svn r9139]
This commit is contained in:
Simon Tatham
2011-04-02 15:36:30 +00:00
parent 00a313f2d6
commit 8c6c8df8f4
3 changed files with 30 additions and 0 deletions
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puzzles.h
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@ -253,6 +253,8 @@ char *midend_get_game_id(midend *me);
int midend_can_format_as_text_now(midend *me);
char *midend_text_format(midend *me);
char *midend_solve(midend *me);
int midend_can_undo(midend *me);
int midend_can_redo(midend *me);
void midend_supersede_game_desc(midend *me, char *desc, char *privdesc);
char *midend_rewrite_statusbar(midend *me, char *text);
void midend_serialise(midend *me,