Implement enableControl, signal+slot

Change-Id: I84f81f689167ec332772c706b0d0c6d7562b5ac8

vcl/unx/kde5/KDE5FilePicker.cxx

@@ -46,15 +46,7 @@ KDE5FilePicker::~KDE5FilePicker()
     delete _dialog;
 }
 
-/*void KDE5FilePicker::enableControl(sal_Int16 controlId, bool enable)
-{
-    if (_customWidgets.contains(controlId))
-        _customWidgets.value(controlId)->setEnabled(enable);
-    else
-        qWarning() << "enable on unknown control" << controlId;
-}
-
-void KDE5FilePicker::setLabel(sal_Int16 controlId, const QString& label)
+/*void KDE5FilePicker::setLabel(sal_Int16 controlId, const QString& label)
 {
     if (_customWidgets.contains(controlId))
     {

vcl/unx/kde5/KDE5FilePicker.hxx

@@ -179,6 +179,7 @@ Q_SIGNALS:
     void setValueSignal(sal_Int16 nControlId, sal_Int16 nControlAction,
                         const css::uno::Any& rValue);
     css::uno::Any getValueSignal(sal_Int16 nControlId, sal_Int16 nControlAction);
+    void enableControlSignal(sal_Int16 nControlId, sal_Bool bEnable);
     void appendFilterSignal(const OUString& rTitle, const OUString& rFilter);
     void appendFilterGroupSignal(const OUString& rTitle,
                                  const css::uno::Sequence<css::beans::StringPair>& rFilters);
@@ -202,6 +203,11 @@ private Q_SLOTS:
         return getValue(nControlId, nControlAction);
     }
 
+    void enableControlSlot(sal_Int16 nControlId, sal_Bool bEnable)
+    {
+        return enableControl(nControlId, bEnable);
+    }
+
     void appendFilterSlot(const OUString& rTitle, const OUString& rFilter)
     {
         return appendFilter(rTitle, rFilter);

vcl/unx/kde5/KDE5FilePicker2.cxx

@@ -115,6 +115,8 @@ KDE5FilePicker::KDE5FilePicker(QFileDialog::FileMode eMode)
             Qt::BlockingQueuedConnection);
     connect(this, &KDE5FilePicker::getValueSignal, this, &KDE5FilePicker::getValueSlot,
             Qt::BlockingQueuedConnection);
+    connect(this, &KDE5FilePicker::enableControlSignal, this, &KDE5FilePicker::enableControlSlot,
+            Qt::BlockingQueuedConnection);
     connect(this, &KDE5FilePicker::appendFilterSignal, this, &KDE5FilePicker::appendFilterSlot,
             Qt::BlockingQueuedConnection);
     connect(this, &KDE5FilePicker::appendFilterGroupSignal, this,
@@ -358,7 +360,19 @@ uno::Any SAL_CALL KDE5FilePicker::getValue(sal_Int16 controlId, sal_Int16 nContr
     return uno::Any(value);
 }
 
-void SAL_CALL KDE5FilePicker::enableControl(sal_Int16 controlId, sal_Bool enable) {}
+void SAL_CALL KDE5FilePicker::enableControl(sal_Int16 controlId, sal_Bool enable)
+{
+    if (qApp->thread() != QThread::currentThread())
+    {
+        SolarMutexReleaser aReleaser;
+        return Q_EMIT enableControlSignal(controlId, enable);
+    }
+
+    if (_customWidgets.contains(controlId))
+        _customWidgets.value(controlId)->setEnabled(enable);
+    else
+        SAL_WARN("vcl.kde5", "enable on unknown control" << controlId);
+}
 
 void SAL_CALL KDE5FilePicker::setLabel(sal_Int16 controlId, const OUString& label) {}