Implement get|setLabel, signal+slot

Change-Id: I0188f7609b7a934949ffdf0a6e64547b08ff03a8

vcl/unx/kde5/KDE5FilePicker.cxx

@@ -46,33 +46,6 @@ KDE5FilePicker::~KDE5FilePicker()
     delete _dialog;
 }
 
-/*void KDE5FilePicker::setLabel(sal_Int16 controlId, const QString& label)
-{
-    if (_customWidgets.contains(controlId))
-    {
-        QCheckBox* cb = dynamic_cast<QCheckBox*>(_customWidgets.value(controlId));
-        if (cb)
-            cb->setText(label);
-    }
-    else
-        qWarning() << "set label on unknown control" << controlId;
-}
-
-QString KDE5FilePicker::getLabel(sal_Int16 controlId) const
-{
-    QString label;
-    if (_customWidgets.contains(controlId))
-    {
-        QCheckBox* cb = dynamic_cast<QCheckBox*>(_customWidgets.value(controlId));
-        if (cb)
-            label = cb->text();
-    }
-    else
-        qWarning() << "get label on unknown control" << controlId;
-
-    return label;
-}*/
-
 void KDE5FilePicker::setWinId(sal_uIntPtr winId) { _winId = winId; }
 
 bool KDE5FilePicker::eventFilter(QObject* o, QEvent* e)

vcl/unx/kde5/KDE5FilePicker.hxx

@@ -180,6 +180,8 @@ Q_SIGNALS:
                         const css::uno::Any& rValue);
     css::uno::Any getValueSignal(sal_Int16 nControlId, sal_Int16 nControlAction);
     void enableControlSignal(sal_Int16 nControlId, sal_Bool bEnable);
+    void setLabelSignal(sal_Int16 nControlId, const OUString& rLabel);
+    OUString getLabelSignal(sal_Int16 nControlId);
     void appendFilterSignal(const OUString& rTitle, const OUString& rFilter);
     void appendFilterGroupSignal(const OUString& rTitle,
                                  const css::uno::Sequence<css::beans::StringPair>& rFilters);
@@ -208,6 +210,13 @@ private Q_SLOTS:
         return enableControl(nControlId, bEnable);
     }
 
+    void setLabelSlot(sal_Int16 nControId, const OUString& rLabel)
+    {
+        return setLabel(nControId, rLabel);
+    }
+
+    OUString getLabelSlot(sal_Int16 nControlId) { return getLabel(nControlId); }
+
     void appendFilterSlot(const OUString& rTitle, const OUString& rFilter)
     {
         return appendFilter(rTitle, rFilter);

vcl/unx/kde5/KDE5FilePicker2.cxx

@@ -115,6 +115,10 @@ KDE5FilePicker::KDE5FilePicker(QFileDialog::FileMode eMode)
             Qt::BlockingQueuedConnection);
     connect(this, &KDE5FilePicker::getValueSignal, this, &KDE5FilePicker::getValueSlot,
             Qt::BlockingQueuedConnection);
+    connect(this, &KDE5FilePicker::setLabelSignal, this, &KDE5FilePicker::setLabelSlot,
+            Qt::BlockingQueuedConnection);
+    connect(this, &KDE5FilePicker::getLabelSignal, this, &KDE5FilePicker::getLabelSlot,
+            Qt::BlockingQueuedConnection);
     connect(this, &KDE5FilePicker::enableControlSignal, this, &KDE5FilePicker::enableControlSlot,
             Qt::BlockingQueuedConnection);
     connect(this, &KDE5FilePicker::appendFilterSignal, this, &KDE5FilePicker::appendFilterSlot,
@@ -374,11 +378,42 @@ void SAL_CALL KDE5FilePicker::enableControl(sal_Int16 controlId, sal_Bool enable
         SAL_WARN("vcl.kde5", "enable on unknown control" << controlId);
 }
 
-void SAL_CALL KDE5FilePicker::setLabel(sal_Int16 controlId, const OUString& label) {}
+void SAL_CALL KDE5FilePicker::setLabel(sal_Int16 controlId, const OUString& label)
+{
+    if (qApp->thread() != QThread::currentThread())
+    {
+        SolarMutexReleaser aReleaser;
+        return Q_EMIT setLabelSignal(controlId, label);
+    }
+
+    if (_customWidgets.contains(controlId))
+    {
+        QCheckBox* cb = dynamic_cast<QCheckBox*>(_customWidgets.value(controlId));
+        if (cb)
+            cb->setText(toQString(label));
+    }
+    else
+        SAL_WARN("vcl.kde5", "set label on unknown control" << controlId);
+}
 
 OUString SAL_CALL KDE5FilePicker::getLabel(sal_Int16 controlId)
 {
+    if (qApp->thread() != QThread::currentThread())
+    {
+        SolarMutexReleaser aReleaser;
+        return Q_EMIT getLabelSignal(controlId);
+    }
+
     OUString label;
+    if (_customWidgets.contains(controlId))
+    {
+        QCheckBox* cb = dynamic_cast<QCheckBox*>(_customWidgets.value(controlId));
+        if (cb)
+            label = toOUString(cb->text());
+    }
+    else
+        SAL_WARN("vcl.kde5", "get label on unknown control" << controlId);
+
     return label;
 }