Extend QAxSelect with a "sandboxing" combo-box

Enables UI selection between "None", "Process isolation" and "Low integrity process"
when selecting an ActiveX control from the dialog.

Task-number: QTBUG-70983
Change-Id: Ic136dec4e0981cd167bed217283f1761969da6b4
Reviewed-by: Andre de la Rocha <andre.rocha@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

3 files changed, 67 insertions, 2 deletions

diff --git a/src/activeqt/container/qaxselect.cpp b/src/activeqt/container/qaxselect.cpp
index 1b860e7..2f0f2aa 100644
--- a/src/activeqt/container/qaxselect.cpp
+++ b/src/activeqt/container/qaxselect.cpp
@@ -67,6 +67,20 @@
 
 QT_BEGIN_NAMESPACE
 
+/*!
+    \since 5.13
+
+    \enum QAxSelect::SandboxingLevel
+
+    The SandboxingLevel enumeration defines the desired level of ActiveX sandboxing.
+
+    \value SandboxingNone No specific sandboxing desired
+    \value SandboxingProcess Run ActiveX control in a separate process
+    \value SandboxingLowIntegrity Run ActiveX control in a separate low-integrity process
+
+    Sandboxing requires that the ActiveX is either built as an EXE, or as a DLL with AppID "DllSurrogate" enabled.
+*/
+
 enum ControlType { InProcessControl, OutOfProcessControl };
 
 struct Control
@@ -327,8 +341,9 @@ public:
     \inmodule QAxContainer
 
     QAxSelect dialog can be used to provide users with a way to browse the registered COM
-    components of the system and select one. The CLSID of the selected component can
-    then be used in the application to e.g. initialize a QAxWidget:
+    components of the system and select one. It also provides a combo box for selecting
+    desired sandboxing level. The CLSID of the selected component can then be used in the
+    application to e.g. initialize a QAxWidget:
 
     \snippet src_activeqt_container_qaxselect.cpp 0
 
@@ -359,6 +374,9 @@ QAxSelect::QAxSelect(QWidget *parent, Qt::WindowFlags flags)
     d->filterModel->setSourceModel(new ControlList(this));
     d->selectUi.ActiveXList->setModel(d->filterModel);
 
+    QStringList sandboxingOptions = { QLatin1String("None"), QLatin1String("Process isolation"), QLatin1String("Low integrity process") };
+    d->selectUi.SandboxingCombo->addItems(sandboxingOptions);
+
     connect(d->selectUi.ActiveXList->selectionModel(), &QItemSelectionModel::currentChanged,
             this, &QAxSelect::onActiveXListCurrentChanged);
     connect(d->selectUi.ActiveXList, &QAbstractItemView::activated,
@@ -390,6 +408,22 @@ QString QAxSelect::clsid() const
     return d->selectUi.ActiveX->text().trimmed();
 }
 
+/*!
+    \since 5.13
+
+    Returns the desired level of sandboxing for the ActiveX control.
+*/
+QAxSelect::SandboxingLevel QAxSelect::sandboxingLevel() const
+{
+    int idx = d->selectUi.SandboxingCombo->currentIndex();
+    if (idx == 1)
+        return SandboxingProcess;
+    else if (idx == 2)
+        return SandboxingLowIntegrity;
+    else
+        return SandboxingNone;
+}
+
 void QAxSelect::onActiveXListCurrentChanged(const QModelIndex &index)
 {
     const QString newClsid = d->clsidAt(index);
diff --git a/src/activeqt/container/qaxselect.h b/src/activeqt/container/qaxselect.h
index d17de95..960abd9 100644
--- a/src/activeqt/container/qaxselect.h
+++ b/src/activeqt/container/qaxselect.h
@@ -61,9 +61,17 @@ class QAxSelect : public QDialog
 {
     Q_OBJECT
 public:
+    enum SandboxingLevel {
+        SandboxingNone = 0,
+        SandboxingProcess,
+        SandboxingLowIntegrity,
+    };
+
     explicit QAxSelect(QWidget *parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags());
     ~QAxSelect() override;
+
     QString clsid() const;
+    SandboxingLevel sandboxingLevel() const;
 
 private Q_SLOTS:
     void onActiveXListCurrentChanged(const QModelIndex &);
diff --git a/src/activeqt/container/qaxselect.ui b/src/activeqt/container/qaxselect.ui
index c6f3b0a..af5f973 100644
--- a/src/activeqt/container/qaxselect.ui
+++ b/src/activeqt/container/qaxselect.ui
@@ -96,6 +96,29 @@
        </item>
       </layout>
      </item>
+     <item>
+      <layout class="QHBoxLayout" name="unnamed2">
+       <property name="spacing">
+        <number>6</number>
+       </property>
+       <property name="margin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="QLabel" name="TextLabel2">
+         <property name="text">
+          <string>Sandboxing:</string>
+         </property>
+         <property name="buddy">
+          <cstring>SandboxingCombo</cstring>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QComboBox" name="SandboxingCombo"/>
+       </item>
+      </layout>
+     </item>
     </layout>
    </item>
    <item>