undo: make adding of pictures undoable

This one is a bit hairy, because two things might happen if the
picture has a geo location:
- A dive gets a newly generated dive site set.
- The dive site of a dive is edited.
Therefore the undo command has to store keep track of that.
Oh my.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-04-19 18:48:23 +02:00 committed by Dirk Hohndel
parent 6ae2d36e38
commit 4374605c12
7 changed files with 129 additions and 22 deletions

View file

@ -204,8 +204,6 @@ extern enum divemode_t get_current_divemode(const struct divecomputer *dc, int t
extern struct event *get_next_divemodechange(const struct event **evd, bool update_pointer);
extern enum divemode_t get_divemode_at_time(const struct divecomputer *dc, int dtime, const struct event **ev_dmc);
extern void dive_set_geodata_from_picture(struct dive *dive, struct picture *picture, struct dive_site_table *table);
extern bool has_gaschange_event(const struct dive *dive, const struct divecomputer *dc, int idx);
extern int explicit_first_cylinder(const struct dive *dive, const struct divecomputer *dc);
extern int get_depth_at_time(const struct divecomputer *dc, unsigned int time);