Windows: Add dialog helpers for native dialogs.

Implement QPlatformDialogHelper for file dialogs based on
IFileDialog. Add prototypical implementation of color dialogs.

Change-Id: If3c7470be6c0b8fbf8cfea1b6638bda43afafea7
Reviewed-by: Oliver Wolff <oliver.wolff@nokia.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/src/plugins/platforms/windows/qwindowsdialoghelpers.h b/src/plugins/platforms/windows/qwindowsdialoghelpers.h
new file mode 100644
index 0000000000..8566f00d55
--- /dev/null
+++ b/src/plugins/platforms/windows/qwindowsdialoghelpers.h
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** 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 QWINDOWSDIALOGHELPER_H
+#define QWINDOWSDIALOGHELPER_H
+
+#ifdef QT_WIDGETS_LIB
+
+#include <QtWidgets/qplatformdialoghelper_qpa.h>
+#include <QtCore/QStringList>
+
+QT_BEGIN_NAMESPACE
+
+class QFileDialog;
+class QWindowsNativeDialogBase;
+
+namespace QWindowsDialogs
+{
+    enum Type { UnknownType, ColorDialog, FontDialog, FileDialog };
+
+    Type dialogType(const QDialog *dialog);
+    void eatMouseMove();
+} // namespace QWindowsDialogs
+
+class QWindowsDialogHelperBase : public QPlatformDialogHelper
+{
+public:
+    static bool useHelper(const QDialog *dialog);
+    static QPlatformDialogHelper *create(QDialog *dialog);
+
+    virtual void platformNativeDialogModalHelp();
+    virtual void _q_platformRunNativeAppModalPanel();
+    virtual void deleteNativeDialog_sys();
+    virtual bool setVisible_sys(bool visible);
+    virtual QDialog::DialogCode dialogResultCode_sys();
+
+    virtual bool nonNativeDialog() const = 0;
+    virtual bool supportsNonModalDialog() const { return true; }
+
+protected:
+    explicit QWindowsDialogHelperBase(QDialog *dialog);
+    QWindowsNativeDialogBase *nativeDialog() const;
+
+private:
+    virtual QWindowsNativeDialogBase *createNativeDialog() = 0;
+    inline QWindowsNativeDialogBase *ensureNativeDialog();
+
+    QDialog *m_dialog;
+    QWindowsNativeDialogBase *m_nativeDialog;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_WIDGETS_LIB
+#endif // QWINDOWSDIALOGHELPER_H