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Filter: add reference counting for dive-site mode

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The dive-site-edit and dive-site-table tabs both put the filter
into a special dive-site mode. When switching between both, it
could happen that the one got its show befor the other got
its hide event.

Thus, the first would start dive-site filtering and the second
stop it. Now the app was not in filter mode even though it should.

To solve this problem, add reference counting for the filter's
dive-site mode. In both tabs call the enter/exit functions
on show/hide. In the dive-site-table tab, when the selection
changes, use a set function that doesn't modify the reference count.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-05-05 12:18:04 +02:00 • committed by Dirk Hohndel
parent cd5489e08d
commit 065423896d
4 changed files with 29 additions and 4 deletions
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1
desktop-widgets/tab-widgets/TabDiveSite.h
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@ -22,6 +22,7 @@ private slots:
private:
Ui::TabDiveSite ui;
DiveSiteSortedModel model;
QVector<dive_site *> selectedDiveSites();
void updateFilter();
void hideEvent(QHideEvent *) override;
void showEvent(QShowEvent *) override;