Fixed #291.

src/librssguard/gui/dialogs/formmain.cpp

@@ -159,6 +159,7 @@ QList<QAction*> FormMain::allActions() const {
   actions << m_ui->m_actionClearAllItems;
   actions << m_ui->m_actionShowOnlyUnreadItems;
   actions << m_ui->m_actionShowTreeBranches;
+  actions << m_ui->m_actionAutoExpandItemsWhenSelected;
   actions << m_ui->m_actionShowOnlyUnreadMessages;
   actions << m_ui->m_actionMarkSelectedMessagesAsRead;
   actions << m_ui->m_actionMarkSelectedMessagesAsUnread;
@@ -596,6 +597,8 @@ void FormMain::loadSize() {
                                                                 SETTING(Feeds::ShowOnlyUnreadFeeds)).toBool());
   m_ui->m_actionShowTreeBranches->setChecked(settings->value(GROUP(Feeds),
                                                              SETTING(Feeds::ShowTreeBranches)).toBool());
+  m_ui->m_actionAutoExpandItemsWhenSelected->setChecked(settings->value(GROUP(Feeds),
+                                                                        SETTING(Feeds::AutoExpandOnSelection)).toBool());
   m_ui->m_actionShowOnlyUnreadMessages->setChecked(settings->value(GROUP(Messages),
                                                                    SETTING(Messages::ShowOnlyUnreadMessages)).toBool());
   m_ui->m_actionAlternateColorsInLists->setChecked(settings->value(GROUP(GUI),
@@ -763,6 +766,8 @@ void FormMain::createConnections() {
           tabWidget()->feedMessageViewer(), &FeedMessageViewer::toggleShowOnlyUnreadFeeds);
   connect(m_ui->m_actionShowTreeBranches, &QAction::toggled,
           tabWidget()->feedMessageViewer(), &FeedMessageViewer::toggleShowFeedTreeBranches);
+  connect(m_ui->m_actionAutoExpandItemsWhenSelected, &QAction::toggled,
+          tabWidget()->feedMessageViewer(), &FeedMessageViewer::toggleItemsAutoExpandingOnSelection);
   connect(m_ui->m_actionAlternateColorsInLists, &QAction::toggled,
           tabWidget()->feedMessageViewer(), &FeedMessageViewer::alternateRowColorsInLists);
   connect(m_ui->m_actionShowOnlyUnreadMessages, &QAction::toggled,

src/librssguard/gui/dialogs/formmain.ui

@@ -116,6 +116,7 @@
     <addaction name="m_actionDeleteSelectedItem"/>
     <addaction name="separator"/>
     <addaction name="m_actionShowOnlyUnreadItems"/>
+    <addaction name="m_actionAutoExpandItemsWhenSelected"/>
     <addaction name="m_actionShowTreeBranches"/>
     <addaction name="m_actionExpandCollapseItem"/>
     <addaction name="separator"/>
@@ -784,6 +785,14 @@
     <string>Alternate row colors in lists</string>
    </property>
   </action>
+  <action name="m_actionAutoExpandItemsWhenSelected">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Automatically &amp;expand items when selected</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

src/librssguard/gui/feedmessageviewer.cpp

@@ -188,6 +188,12 @@ void FeedMessageViewer::toggleShowFeedTreeBranches() {
   qApp->settings()->setValue(GROUP(Feeds), Feeds::ShowTreeBranches, origin->isChecked());
 }
 
+void FeedMessageViewer::toggleItemsAutoExpandingOnSelection() {
+  const QAction* origin = qobject_cast<QAction*>(sender());
+
+  qApp->settings()->setValue(GROUP(Feeds), Feeds::AutoExpandOnSelection, origin->isChecked());
+}
+
 void FeedMessageViewer::alternateRowColorsInLists() {
   const QAction* origin = qobject_cast<QAction*>(sender());
 

src/librssguard/gui/feedmessageviewer.h

@@ -66,6 +66,7 @@ class RSSGUARD_DLLSPEC FeedMessageViewer : public TabContent {
     void toggleShowOnlyUnreadMessages();
     void toggleShowOnlyUnreadFeeds();
     void toggleShowFeedTreeBranches();
+    void toggleItemsAutoExpandingOnSelection();
     void alternateRowColorsInLists();
 
   private slots:

src/librssguard/gui/feedsview.cpp

@@ -713,6 +713,11 @@ void FeedsView::selectionChanged(const QItemSelection& selected, const QItemSele
   emit itemSelected(selected_item);
 
   m_proxyModel->invalidateReadFeedsFilter();
+
+  if (!selectedIndexes().isEmpty() &&
+      qApp->settings()->value(GROUP(Feeds), SETTING(Feeds::AutoExpandOnSelection)).toBool()) {
+    expand(selectedIndexes().first());
+  }
 }
 
 void FeedsView::keyPressEvent(QKeyEvent* event) {

src/librssguard/miscellaneous/settings.cpp

@@ -60,6 +60,9 @@ DVALUE(bool) Feeds::ShowOnlyUnreadFeedsDef = false;
 DKEY Feeds::ShowTreeBranches = "show_tree_branches";
 DVALUE(bool) Feeds::ShowTreeBranchesDef = true;
 
+DKEY Feeds::AutoExpandOnSelection = "auto_expand_on_selection";
+DVALUE(bool) Feeds::AutoExpandOnSelectionDef = false;
+
 DKEY Feeds::ListFont = "list_font";
 
 // Messages.

src/librssguard/miscellaneous/settings.h

@@ -79,6 +79,9 @@ namespace Feeds {
   KEY ShowTreeBranches;
   VALUE(bool) ShowTreeBranchesDef;
 
+  KEY AutoExpandOnSelection;
+  VALUE(bool) AutoExpandOnSelectionDef;
+
   KEY ListFont;
 }