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Dive site: close dive site edit widget when dive site is deleted

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The application could be crashed by
1) Create dive site
2) Edit dive site
3) Undo until dive site is removed
4) Continue editing now non-existing dive site

Therefore, hook into the dive-site-deleted signal and if the
currently edited dive site is deleted, close the widget.

When closing the widget, make sure that the potentially
dangling pointer is reset to zero so that there is no
other potential use-after-free bug.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-09-06 22:01:59 +02:00 • committed by Dirk Hohndel
parent 4479ccf8f3
commit e3cd0891d3
3 changed files with 14 additions and 0 deletions
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1
desktop-widgets/locationinformation.h
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@ -34,6 +34,7 @@ public slots:
private slots:
void updateLabels();
void diveSiteChanged(struct dive_site *ds, int field);
void diveSiteDeleted(struct dive_site *ds, int);
void unitsChanged();
private:
void keyPressEvent(QKeyEvent *e) override;