Native file dialog support for Mac

* New API: QPlatformDialogHelper to support native dialog on QPA.
    (Currently, It supports only file dialog.)
* Modify QDialog* and QFileDialog* to support native dialog.
* Add native file dialog support to cocoa platform plugin.

Change-Id: I957f046748a27a33fd9f8af3c525feabd1b0f582
Reviewed-by: Morten Johan Sørvig <morten.sorvig@nokia.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoafiledialoghelper.h b/src/plugins/platforms/cocoa/qcocoafiledialoghelper.h
new file mode 100644
index 0000000000..06309ab62b
--- /dev/null
+++ b/src/plugins/platforms/cocoa/qcocoafiledialoghelper.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOCOAFILEDIALOGHELPER_H
+#define QCOCOAFILEDIALOGHELPER_H
+
+#include <QObject>
+#include <qplatformdialoghelper_qpa.h>
+class QFileDialog;
+class QFileDialogPrivate;
+
+class QCocoaFileDialogHelper : public QPlatformDialogHelper
+{
+public:
+    QCocoaFileDialogHelper(QFileDialog *dialog);
+    virtual ~QCocoaFileDialogHelper();
+
+    void platformNativeDialogModalHelp();
+    void _q_platformRunNativeAppModalPanel();
+
+    bool defaultNameFilterDisables() const;
+
+    void deleteNativeDialog_sys();
+    bool setVisible_sys(bool visible);
+    QDialog::DialogCode dialogResultCode_sys();
+    void setDirectory_sys(const QString &directory);
+    QString directory_sys() const;
+    void selectFile_sys(const QString &filename);
+    QStringList selectedFiles_sys() const;
+    void setFilter_sys();
+    void setNameFilters_sys(const QStringList &filters);
+    void selectNameFilter_sys(const QString &filter);
+    QString selectedNameFilter_sys() const;
+
+public:
+    bool showCocoaFilePanel();
+    bool hideCocoaFilePanel();
+
+    void createNSOpenSavePanelDelegate();
+    void QNSOpenSavePanelDelegate_selectionChanged(const QString &newPath);
+    void QNSOpenSavePanelDelegate_panelClosed(bool accepted);
+    void QNSOpenSavePanelDelegate_directoryEntered(const QString &newDir);
+    void QNSOpenSavePanelDelegate_filterSelected(int menuIndex);
+
+private:
+    QFileDialog *qtFileDialog;
+    void *mDelegate;
+};
+
+#endif // QCOCOAFILEDIALOGHELPER_H