Allow the user to delete a dive computer from a dive

This can't be the only dive computer, of course. Goes nicely with the
ability to reprder them.

Fixes #551

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

2 files changed, 16 insertions, 2 deletions

diff --git a/qt-ui/profile/profilewidget2.cpp b/qt-ui/profile/profilewidget2.cpp
index 681878d0c..0ef645f20 100644
--- a/qt-ui/profile/profilewidget2.cpp
+++ b/qt-ui/profile/profilewidget2.cpp
@@ -873,10 +873,14 @@ void ProfileWidget2::contextMenuEvent(QContextMenuEvent *event)
 			parentItem = parentItem->parentItem();
 		}
 		if (isDCName) {
-			if (dc_number == 0)
+			if (dc_number == 0 && count_divecomputers() == 1)
+				// nothing to do, can't delete or reorder
 				return;
 			// create menu to show when right clicking on dive computer name
-			m.addAction(tr("Make first divecomputer"), this, SLOT(makeFirstDC()));
+			if (dc_number > 0)
+				m.addAction(tr("Make first divecomputer"), this, SLOT(makeFirstDC()));
+			if (count_divecomputers() > 1)
+				m.addAction(tr("Delete this divecomputer"), this, SLOT(deleteCurrentDC()));
 			m.exec(event->globalPos());
 			// don't show the regular profile context menu
 			return;
@@ -929,6 +933,15 @@ void ProfileWidget2::contextMenuEvent(QContextMenuEvent *event)
 	m.exec(event->globalPos());
 }
 
+void ProfileWidget2::deleteCurrentDC()
+{
+	delete_current_divecomputer();
+	mark_divelist_changed(true);
+	// we need to force it since it's likely the same dive and same dc_number - but that's a different dive computer now
+	forceReplot = true;
+	MainWindow::instance()->refreshDisplay();
+}
+
 void ProfileWidget2::makeFirstDC()
 {
 	make_first_dc();
diff --git a/qt-ui/profile/profilewidget2.h b/qt-ui/profile/profilewidget2.h
index f908543d1..47e9a51b3 100644
--- a/qt-ui/profile/profilewidget2.h
+++ b/qt-ui/profile/profilewidget2.h
@@ -90,6 +90,7 @@ slots: // Necessary to call from QAction's signals.
 	void removeEvent();
 	void editName();
 	void makeFirstDC();
+	void deleteCurrentDC();
 	void pointInserted(const QModelIndex &parent, int start, int end);
 	void pointsRemoved(const QModelIndex &, int start, int end);
 	void plotPictures();