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profile: move picture removal from DivePictureItem to ProfileWidget2

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On clicking the DivePictureItem "trash" icon, the item would delete
the picture it represents in the currently displayed dive. This needed
an access to the global "displayed_dive" variable, which we want
to get rid of to make the profile more flexible. For example, we
want to render the profile for printing without messing with global
state.

One solution would be to save the dive with every DivePictureItem.
This commit follows a more Qt-ish strategy by handling this via
signals: The close button emits a signal that is recast by the
DivePictureItem and ultimately handled by the ProfileWidget2,
which knows which dive it represents.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-12-19 12:32:32 +01:00 • committed by bstoeger
parent 636c932dfe
commit fceb3691d9
4 changed files with 23 additions and 22 deletions
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7
profile-widget/divepixmapitem.h
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@ -19,6 +19,8 @@ class CloseButtonItem : public DivePixmapItem {
Q_OBJECT
public:
CloseButtonItem(QGraphicsItem *parent = 0);
signals:
void clicked();
private:
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
};
@ -30,10 +32,11 @@ public:
DivePictureItem(QGraphicsItem *parent = 0);
void setPixmap(const QPixmap& pix);
void setBaseZValue(double z);
void setFileUrl(const QString& s);
signals:
void removePicture(const QString &fileUrl);
public slots:
void settingsChanged();
void removePicture();
void setFileUrl(const QString& s);
private:
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);