Qt: Preserve selected file in welcome screen.

When closing a capture file the recent files list are updated to put
the most recent opened file on top.  Ensure we preserve the selection
of the closed file instead of having the file in the closed file's
previous position selected.

Change-Id: I14c9edde55b88abf7ca7f1828e269ad49203b1db
Reviewed-on: https://code.wireshark.org/review/12018
Petri-Dish: Stig Bjørlykke <stig@bjorlykke.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/ui/qt/main_welcome.cpp b/ui/qt/main_welcome.cpp
index f0d25548ff..609b459f14 100644
--- a/ui/qt/main_welcome.cpp
+++ b/ui/qt/main_welcome.cpp
@@ -253,6 +253,12 @@ void MainWelcome::updateRecentFiles() {
     QString itemLabel;
     QListWidgetItem *rfItem;
     QFont rfFont;
+    QString selectedFilename;
+
+    if (!recent_files_->selectedItems().isEmpty()) {
+        rfItem = recent_files_->selectedItems().first();
+        selectedFilename = rfItem->data(Qt::UserRole).toString();
+    }
 
     int rfRow = 0;
     foreach (recent_item_status *ri, wsApp->recentItems()) {
@@ -283,6 +289,9 @@ void MainWelcome::updateRecentFiles() {
         rfItem->setData(Qt::UserRole, ri->filename);
         rfItem->setFlags(ri->accessible ? Qt::ItemIsSelectable | Qt::ItemIsEnabled : Qt::NoItemFlags);
         rfItem->setFont(rfFont);
+        if (ri->filename == selectedFilename) {
+            recent_files_->setItemSelected(rfItem, true);
+        }
         rfRow++;
     }