Don't call UI functions from helper code

This may seem much more complicated but actually is much cleaner. Add each
thread we start to the list of future results and add a new UI function
that updates the UI once all of the threads have finished.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/qt-ui/divepicturewidget.h b/qt-ui/divepicturewidget.h
index e8104a1db..506f85bf8 100644
--- a/qt-ui/divepicturewidget.h
+++ b/qt-ui/divepicturewidget.h
@@ -4,6 +4,7 @@
 #include <QAbstractTableModel>
 #include <QListView>
 #include <QThread>
+#include <QFuture>
 
 typedef QPair<QString, QByteArray> SHashedFilename;
 
@@ -25,6 +26,7 @@ public:
 	virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
 	virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
 	void updateDivePictures();
+	void updateDivePicturesWhenDone(QList<QFuture<void> >);
 	void removePicture(const QString& fileUrl);
 
 private: