1 files changed, 180 insertions, 0 deletions
diff --git a/vcl/unx/kf5/KF5FilePicker.cxx b/vcl/unx/kf5/KF5FilePicker.cxx
new file mode 100644
index 000000000..491ce7e31
--- /dev/null
+++ b/vcl/unx/kf5/KF5FilePicker.cxx
@@ -0,0 +1,180 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "KF5FilePicker.hxx"
+#include <KF5FilePicker.moc>
+
+#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/mutex.hxx>
+
+#include <QtInstance.hxx>
+
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QGridLayout>
+#include <QtWidgets/QWidget>
+#include <KFileWidget>
+
+using namespace ::com::sun::star;
+using ::com::sun::star::ui::dialogs::ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION;
+
+namespace
+{
+uno::Sequence<OUString> FilePicker_getSupportedServiceNames()
+{
+    return { "com.sun.star.ui.dialogs.FilePicker", "com.sun.star.ui.dialogs.SystemFilePicker",
+             "com.sun.star.ui.dialogs.KF5FilePicker", "com.sun.star.ui.dialogs.KF5FolderPicker" };
+}
+}
+
+// KF5FilePicker
+
+KF5FilePicker::KF5FilePicker(css::uno::Reference<css::uno::XComponentContext> const& context,
+                             QFileDialog::FileMode eMode)
+    // Native kf5 filepicker does not add file extension automatically
+    : QtFilePicker(context, eMode, true)
+    , _layout(new QGridLayout(m_pExtraControls))
+{
+    // only columns 0 and 1 are used by controls (s. QtFilePicker::addCustomControl);
+    // set stretch for (unused) column 2 in order for the controls to only take the space
+    // they actually need and avoid empty space in between
+    _layout->setColumnStretch(2, 1);
+
+    // set layout so custom widgets show up in our native file dialog
+    setCustomControlWidgetLayout(_layout.get());
+
+    m_pFileDialog->setSupportedSchemes({
+        QStringLiteral("file"), QStringLiteral("ftp"), QStringLiteral("http"),
+        QStringLiteral("https"), QStringLiteral("webdav"), QStringLiteral("webdavs"),
+        QStringLiteral("smb"),
+        QStringLiteral(""), // this makes removable devices shown
+    });
+
+    // used to set the custom controls
+    qApp->installEventFilter(this);
+}
+
+// XFilePickerControlAccess
+void SAL_CALL KF5FilePicker::setValue(sal_Int16 controlId, sal_Int16 nControlAction,
+                                      const uno::Any& value)
+{
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the functionality
+        return;
+
+    QtFilePicker::setValue(controlId, nControlAction, value);
+}
+
+uno::Any SAL_CALL KF5FilePicker::getValue(sal_Int16 controlId, sal_Int16 nControlAction)
+{
+    SolarMutexGuard g;
+    auto* pSalInst(GetQtInstance());
+    assert(pSalInst);
+    if (!pSalInst->IsMainThread())
+    {
+        uno::Any ret;
+        pSalInst->RunInMainThread([&ret, this, controlId, nControlAction]() {
+            ret = getValue(controlId, nControlAction);
+        });
+        return ret;
+    }
+
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the function.
+        // Always return false, to pretend we do not support this, otherwise
+        // LO core would try to be smart and cut the extension in some places,
+        // interfering with QFileDialog's handling of it. QFileDialog also
+        // saves the value of the setting, so LO core is not needed for that either.
+        return uno::Any(false);
+
+    return QtFilePicker::getValue(controlId, nControlAction);
+}
+
+void SAL_CALL KF5FilePicker::enableControl(sal_Int16 controlId, sal_Bool enable)
+{
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the functionality
+        return;
+
+    QtFilePicker::enableControl(controlId, enable);
+}
+
+void SAL_CALL KF5FilePicker::setLabel(sal_Int16 controlId, const OUString& label)
+{
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        // We ignore this one and rely on QFileDialog to provide the functionality
+        return;
+
+    QtFilePicker::setLabel(controlId, label);
+}
+
+OUString SAL_CALL KF5FilePicker::getLabel(sal_Int16 controlId)
+{
+    // We ignore this one and rely on QFileDialog to provide the functionality
+    if (CHECKBOX_AUTOEXTENSION == controlId)
+        return "";
+
+    return QtFilePicker::getLabel(controlId);
+}
+
+void KF5FilePicker::addCustomControl(sal_Int16 controlId)
+{
+    // native kf5 filepicker has its own autoextension checkbox,
+    // therefore avoid adding yet another one
+    if (controlId == CHECKBOX_AUTOEXTENSION)
+        return;
+
+    QtFilePicker::addCustomControl(controlId);
+}
+
+// XServiceInfo
+OUString SAL_CALL KF5FilePicker::getImplementationName()
+{
+    return "com.sun.star.ui.dialogs.KF5FilePicker";
+}
+
+sal_Bool SAL_CALL KF5FilePicker::supportsService(const OUString& ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+uno::Sequence<OUString> SAL_CALL KF5FilePicker::getSupportedServiceNames()
+{
+    return FilePicker_getSupportedServiceNames();
+}
+
+bool KF5FilePicker::eventFilter(QObject* o, QEvent* e)
+{
+    if (e->type() == QEvent::Show && o->isWidgetType())
+    {
+        auto* w = static_cast<QWidget*>(o);
+        if (!w->parentWidget() && w->isModal())
+        {
+            if (auto* fileWidget = w->findChild<KFileWidget*>({}, Qt::FindDirectChildrenOnly))
+            {
+                fileWidget->setCustomWidget(m_pExtraControls);
+                // remove event filter again; the only purpose was to set the custom widget here
+                qApp->removeEventFilter(this);
+            }
+        }
+    }
+    return QObject::eventFilter(o, e);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */