media: store dive instead of dive-id in DivePictureModel

dive-pointers are stable and the dive picture model is reset
if a selected dive is removed, so there is no risk in keeping
pointers.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-04-14 22:14:23 +02:00 committed by Dirk Hohndel
parent 0d06eb83d8
commit bd960ea088
2 changed files with 6 additions and 6 deletions

View file

@ -63,10 +63,10 @@ void DivePictureModel::updateDivePictures()
if (dive->selected) {
int first = pictures.count();
FOR_EACH_PICTURE(dive)
pictures.push_back({ dive->id, picture->filename, {}, picture->offset.seconds, {.seconds = 0}});
pictures.push_back({ dive, picture->filename, {}, picture->offset.seconds, {.seconds = 0}});
// Sort pictures of this dive by offset.
// Thus, the list will be sorted by (diveId, offset).
// Thus, the list will be sorted by (dive, offset).
std::sort(pictures.begin() + first, pictures.end(),
[](const PictureEntry &a, const PictureEntry &b) { return a.offsetSeconds < b.offsetSeconds; });
}
@ -218,8 +218,8 @@ void DivePictureModel::pictureOffsetChanged(dive *d, const QString filenameIn, o
std::string filename = filenameIn.toStdString();
// Find the pictures of the given dive.
auto from = std::find_if(pictures.begin(), pictures.end(), [d](const PictureEntry &e) { return e.diveId == d->id; });
auto to = std::find_if(from, pictures.end(), [d](const PictureEntry &e) { return e.diveId != d->id; });
auto from = std::find_if(pictures.begin(), pictures.end(), [d](const PictureEntry &e) { return e.d == d; });
auto to = std::find_if(from, pictures.end(), [d](const PictureEntry &e) { return e.d != d; });
// Find picture with the given filename
auto oldPos = std::find_if(from, to, [filename](const PictureEntry &e) { return e.filename == filename; });

View file

@ -10,15 +10,15 @@
// We use std::string instead of QString to use the same character-encoding
// as in the C core (UTF-8). This is crucial to guarantee the same sort-order.
struct dive;
struct PictureEntry {
int diveId;
dive *d;
std::string filename;
QImage image;
int offsetSeconds;
duration_t length;
};
struct dive;
class DivePictureModel : public QAbstractTableModel {
Q_OBJECT
public: