1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QWINDOWSDIALOGHELPER_H 41 #define QWINDOWSDIALOGHELPER_H 42 43 #include <QtCore/qt_windows.h> 44 #include <qpa/qplatformdialoghelper.h> 45 #include <qpa/qplatformtheme.h> 46 #include <QtCore/qstringlist.h> 47 #include <QtCore/qsharedpointer.h> 48 49 QT_BEGIN_NAMESPACE 50 51 class QFileDialog; 52 class QDialog; 53 class QThread; 54 class QWindowsNativeDialogBase; 55 56 namespace QWindowsDialogs 57 { 58 void eatMouseMove(); 59 60 bool useHelper(QPlatformTheme::DialogType type); 61 QPlatformDialogHelper *createHelper(QPlatformTheme::DialogType type); 62 } // namespace QWindowsDialogs 63 64 template <class BaseClass> 65 class QWindowsDialogHelperBase : public BaseClass 66 { 67 Q_DISABLE_COPY_MOVE(QWindowsDialogHelperBase) 68 public: 69 using QWindowsNativeDialogBasePtr = QSharedPointer<QWindowsNativeDialogBase>; ~QWindowsDialogHelperBase()70 ~QWindowsDialogHelperBase() { cleanupThread(); } 71 72 void exec() override; 73 bool show(Qt::WindowFlags windowFlags, 74 Qt::WindowModality windowModality, 75 QWindow *parent) override; 76 void hide() override; 77 78 virtual bool supportsNonModalDialog(const QWindow * /* parent */ = nullptr) const { return true; } 79 80 protected: 81 QWindowsDialogHelperBase() = default; 82 QWindowsNativeDialogBase *nativeDialog() const; hasNativeDialog()83 inline bool hasNativeDialog() const { return m_nativeDialog; } 84 void timerEvent(QTimerEvent *) override; 85 86 private: 87 virtual QWindowsNativeDialogBase *createNativeDialog() = 0; 88 inline QWindowsNativeDialogBase *ensureNativeDialog(); 89 inline void startDialogThread(); 90 inline void stopTimer(); 91 void cleanupThread(); 92 93 QWindowsNativeDialogBasePtr m_nativeDialog; 94 HWND m_ownerWindow = nullptr; 95 int m_timerId = 0; 96 QThread *m_thread = nullptr; 97 }; 98 99 QT_END_NAMESPACE 100 101 #endif // QWINDOWSDIALOGHELPER_H 102