Profile: add helper function to get the sample entry for a mouse position

This seems quite useful to have.

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

2 files changed, 15 insertions, 0 deletions

diff --git a/qt-ui/profile/profilewidget2.cpp b/qt-ui/profile/profilewidget2.cpp
index 14ae7ca5b..8d4d24ef2 100644
--- a/qt-ui/profile/profilewidget2.cpp
+++ b/qt-ui/profile/profilewidget2.cpp
@@ -1060,6 +1060,20 @@ bool ProfileWidget2::isAddOrPlanner()
 	return currentState == PLAN || currentState == ADD;
 }
 
+struct plot_data *ProfileWidget2::getEntryFromPos(QPointF pos)
+{
+	// find the time stamp corresponding to the mouse position
+	int seconds = timeAxis->valueAt(pos);
+	struct plot_data *entry;
+
+	for (int i = 0; i < plotInfo.nr; i++) {
+		entry = plotInfo.entry + i;
+		if (entry->sec >= seconds)
+			break;
+	}
+	return entry;
+}
+
 void ProfileWidget2::contextMenuEvent(QContextMenuEvent *event)
 {
 	if (currentState == ADD || currentState == PLAN) {
diff --git a/qt-ui/profile/profilewidget2.h b/qt-ui/profile/profilewidget2.h
index 477ddf4a7..4c7951533 100644
--- a/qt-ui/profile/profilewidget2.h
+++ b/qt-ui/profile/profilewidget2.h
@@ -134,6 +134,7 @@ private: /*methods*/
 	void addItemsToScene();
 	void setupItemOnScene();
 	void disconnectTemporaryConnections();
+	struct plot_data *getEntryFromPos(QPointF pos);
 
 private:
 	DivePlotDataModel *dataModel;