Allow to select & delete multiple entries in "Manage Cookies" dialog

src/gui/cookiesdialog.cpp

@@ -28,6 +28,8 @@
 
 #include "cookiesdialog.h"
 
+#include <algorithm>
+
 #include "base/settingsstorage.h"
 #include "base/net/downloadmanager.h"
 #include "guiiconprovider.h"
@@ -85,5 +87,16 @@ void CookiesDialog::onButtonAddClicked()
 
 void CookiesDialog::onButtonDeleteClicked()
 {
-    m_cookiesModel->removeRow(m_ui->treeView->selectionModel()->currentIndex().row());
+    QModelIndexList idxs = m_ui->treeView->selectionModel()->selectedRows();
+
+    // sort in descending order
+    std::sort(idxs.begin(), idxs.end(),
+        [](const QModelIndex &l, const QModelIndex &r)
+        {
+            return (l.row() > r.row());
+        }
+    );
+
+    for (const QModelIndex &idx : idxs)
+        m_cookiesModel->removeRow(idx.row());
 }

src/gui/cookiesdialog.ui

@@ -17,7 +17,11 @@
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
-      <widget class="QTreeView" name="treeView"/>
+      <widget class="QTreeView" name="treeView">
+       <property name="selectionMode">
+        <enum>QAbstractItemView::ExtendedSelection</enum>
+       </property>
+      </widget>
      </item>
      <item>
       <layout class="QVBoxLayout" name="verticalLayout">