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fix copy/paste of dive-site

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The copy/pasting of dive-sites was fundamentally broken in at least two
ways:

1) The dive-site pointer in struct dive was simply overwritten, which
   breaks internal consistency. Also, no dive-site changed signals where
   sent.

2) The copied dive-site was stored as a pointer in a struct dive. Thus,
   the user could copy a dive, then delete the dive-site and paste.
   This would lead to a dangling pointer and ultimately crash the
   application.

Fix this by storing the UUID of the dive-site, not a pointer.
To do that, don't store a copy of the dive, but collect all
the data in a `dive_paste_data` structure.
If the dive site has been deleted on paste, do nothing.
Send the appropriate signals on pasting.

The mobile version had an additional bug: It kept a pointer to the
dive to be copied, which might become stale by undo.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-08-13 07:04:52 +02:00 • committed by Michael Keller
parent 48b4308a7d
commit 152e6966c9
17 changed files with 359 additions and 425 deletions
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16
desktop-widgets/simplewidgets.h
View file

@ -7,7 +7,6 @@ class QAbstractButton;
class QNetworkReply;
class FilterModelBase;
struct dive;
struct dive_components;
#include "core/units.h"
#include <QWidget>
@ -20,7 +19,6 @@ struct dive_components;
#include "ui_shifttimes.h"
#include "ui_shiftimagetimes.h"
#include "ui_urldialog.h"
#include "ui_divecomponentselection.h"
#include "ui_listfilter.h"
#include "ui_addfilterpreset.h"
@ -102,20 +100,6 @@ private:
Ui::URLDialog ui;
};
class DiveComponentSelection : public QDialog {
Q_OBJECT
public:
explicit DiveComponentSelection(QWidget *parent, struct dive *target, struct dive_components *_what);
private
slots:
void buttonClicked(QAbstractButton *button);
private:
Ui::DiveComponentSelectionDialog ui;
struct dive *targetDive;
struct dive_components *what;
};
class AddFilterPresetDialog : public QDialog {
Q_OBJECT
public: