Qt: Add clear all button to Decode As

Add a clear all button to easily remove all existing entries.

Change-Id: I76e7ee2b7b85a9b4e5f9f5a788a89f38f70ee8ce
Reviewed-on: https://code.wireshark.org/review/30052
Petri-Dish: Stig Bjørlykke <stig@bjorlykke.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

2 files changed, 11 insertions, 0 deletions

diff --git a/ui/qt/models/decode_as_model.cpp b/ui/qt/models/decode_as_model.cpp
index 303ba565ff..18b9c8834a 100644
--- a/ui/qt/models/decode_as_model.cpp
+++ b/ui/qt/models/decode_as_model.cpp
@@ -391,6 +391,16 @@ bool DecodeAsModel::removeRows(int row, int count, const QModelIndex &/*parent*/
     return true;
 }
 
+void DecodeAsModel::clearAll()
+{
+    if (rowCount() < 1)
+        return;
+
+    beginResetModel();
+    decode_as_items_.clear();
+    endResetModel();
+}
+
 bool DecodeAsModel::copyRow(int dst_row, int src_row)
 {
     if (src_row < 0 || src_row >= rowCount() || dst_row < 0 || dst_row >= rowCount()) {
diff --git a/ui/qt/models/decode_as_model.h b/ui/qt/models/decode_as_model.h
index f1cf825808..003d005dde 100644
--- a/ui/qt/models/decode_as_model.h
+++ b/ui/qt/models/decode_as_model.h
@@ -72,6 +72,7 @@ public:
 
     bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex());
     bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    void clearAll();
     bool copyRow(int dst_row, int src_row);
 
     static QString entryString(const gchar *table_name, gpointer value);