Qt: Sequence dialog navigation updates.

Clean up the next / previous logic a bit. If the selected item is out of
range, move it in-range.

Change-Id: Idd5f83e7f4ccf960500f261e1c2292da6cecab57
Reviewed-on: https://code.wireshark.org/review/15591
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Gerald Combs <gerald@wireshark.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/ui/qt/sequence_diagram.cpp b/ui/qt/sequence_diagram.cpp
index 57702ad098..5e625e114d 100644
--- a/ui/qt/sequence_diagram.cpp
+++ b/ui/qt/sequence_diagram.cpp
@@ -118,6 +118,7 @@ int SequenceDiagram::adjacentPacket(bool next)
             it = data_->constEnd();
             --it;
         }
+        selected_key_ = it.value().key;
         return it.value().value->frame_number;
     }