Add context menu for tabs in search widget (#14926)

In searchwidget you can close all opened tabs or selected tab using menu. Closes #5628.

src/gui/search/searchwidget.cpp

@@ -39,6 +39,7 @@
 #include <QDebug>
 #include <QEvent>
 #include <QMessageBox>
+#include <QMenu>
 #include <QMouseEvent>
 #include <QObject>
 #include <QRegularExpression>
@@ -162,6 +163,15 @@ bool SearchWidget::eventFilter(QObject *object, QEvent *event)
             closeTab(tabIndex);
             return true;
         }
+        if (mouseEvent->button() == Qt::RightButton)
+        {
+            QMenu *menu = new QMenu(this);
+            menu->setAttribute(Qt::WA_DeleteOnClose);
+            menu->addAction(tr("Close tab"), this, [this, tabIndex]() { closeTab(tabIndex); });
+            menu->addAction(tr("Close all tabs"), this, &SearchWidget::closeAllTabs);
+            menu->popup(QCursor::pos());
+            return true;
+        }
         return false;
     }
     return QWidget::eventFilter(object, event);
@@ -381,3 +391,9 @@ void SearchWidget::closeTab(int index)
 
     delete tab;
 }
+
+void SearchWidget::closeAllTabs()
+{
+    for (int i = (m_allTabs.size() - 1); i >= 0; --i)
+        closeTab(i);
+}

src/gui/search/searchwidget.h

@@ -65,6 +65,7 @@ private:
     bool eventFilter(QObject *object, QEvent *event) override;
     void tabChanged(int index);
     void closeTab(int index);
+    void closeAllTabs();
     void tabStatusChanged(QWidget *tab);
     void selectMultipleBox(int index);
     void toggleFocusBetweenLineEdits();