Implement search auto-clear and goto group

* Search clears if the search box does not have focus for 5 minutes (fixes #2178)
* Goto group from search results after double clicking the group name (fixes #2043)

Author: droidmonkey

src/gui/DatabaseWidget.cpp

@@ -893,6 +893,14 @@ void DatabaseWidget::entryActivationSignalReceived(Entry* entry, EntryModel::Mod
             setupTotp();
         }
         break;
+    case EntryModel::ParentGroup:
+        // Call this first to clear out of search mode, otherwise
+        // the desired entry is not properly selected
+        endSearch();
+        emit clearSearch();
+        m_groupView->setCurrentGroup(entry->group());
+        m_entryView->setCurrentEntry(entry);
+        break;
     // TODO: switch to 'Notes' tab in details view/pane
     // case EntryModel::Notes:
     //    break;

src/gui/SearchWidget.cpp

@@ -33,20 +33,23 @@ SearchWidget::SearchWidget(QWidget* parent)
     , m_ui(new Ui::SearchWidget())
     , m_helpUi(new Ui::SearchHelpWidget())
     , m_helpWidget(new QWidget(parent))
+    , m_searchTimer(new QTimer(this))
+    , m_clearSearchTimer(new QTimer(this))
 {
     m_ui->setupUi(this);
 
     m_helpUi->setupUi(m_helpWidget);
     m_helpWidget->setWindowFlags(Qt::FramelessWindowHint | Qt::Tool);
     m_helpWidget->hide();
 
-    m_searchTimer = new QTimer(this);
     m_searchTimer->setSingleShot(true);
+    m_clearSearchTimer->setSingleShot(true);
 
     connect(m_ui->searchEdit, SIGNAL(textChanged(QString)), SLOT(startSearchTimer()));
     connect(m_ui->clearIcon, SIGNAL(triggered(bool)), m_ui->searchEdit, SLOT(clear()));
     connect(m_ui->helpIcon, SIGNAL(triggered()), SLOT(toggleHelp()));
     connect(m_searchTimer, SIGNAL(timeout()), this, SLOT(startSearch()));
+    connect(m_clearSearchTimer, SIGNAL(timeout()), m_ui->searchEdit, SLOT(clear()));
     connect(this, SIGNAL(escapePressed()), m_ui->searchEdit, SLOT(clear()));
 
     new QShortcut(QKeySequence::Find, this, SLOT(searchFocus()), nullptr, Qt::ApplicationShortcut);
@@ -107,6 +110,10 @@ bool SearchWidget::eventFilter(QObject* obj, QEvent* event)
         }
     } else if (event->type() == QEvent::FocusOut) {
         m_helpWidget->hide();
+        // Auto-clear search after 5 minutes
+        m_clearSearchTimer->start(300000);
+    } else if (event->type() == QEvent::FocusIn) {
+        m_clearSearchTimer->stop();
     }
 
     return QWidget::eventFilter(obj, event);

src/gui/SearchWidget.h

@@ -79,6 +79,7 @@ private slots:
     const QScopedPointer<Ui::SearchHelpWidget> m_helpUi;
     QWidget* m_helpWidget;
     QTimer* m_searchTimer;
+    QTimer* m_clearSearchTimer;
     QAction* m_actionCaseSensitive;
     QAction* m_actionLimitGroup;
 };