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 QtWidgets module 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 QDIALOG_P_H 41 #define QDIALOG_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtWidgets/private/qtwidgetsglobal_p.h> 55 #include "private/qwidget_p.h" 56 #include "QtCore/qeventloop.h" 57 #include "QtCore/qpointer.h" 58 #include "QtWidgets/qdialog.h" 59 #if QT_CONFIG(pushbutton) 60 #include "QtWidgets/qpushbutton.h" 61 #endif 62 #include <qpa/qplatformdialoghelper.h> 63 64 QT_REQUIRE_CONFIG(dialog); 65 66 QT_BEGIN_NAMESPACE 67 68 class QSizeGrip; 69 70 class Q_WIDGETS_EXPORT QDialogPrivate : public QWidgetPrivate 71 { Q_DECLARE_PUBLIC(QDialog)72 Q_DECLARE_PUBLIC(QDialog) 73 public: 74 75 QDialogPrivate() 76 : 77 #if QT_CONFIG(pushbutton) 78 mainDef(nullptr), 79 #endif 80 orientation(Qt::Horizontal),extension(nullptr), doShowExtension(false), 81 #if QT_CONFIG(sizegrip) 82 resizer(nullptr), 83 sizeGripEnabled(false), 84 #endif 85 rescode(0), resetModalityTo(-1), wasModalitySet(true), eventLoop(nullptr), 86 nativeDialogInUse(false), m_platformHelper(nullptr), m_platformHelperCreated(false) 87 {} 88 ~QDialogPrivate(); 89 90 QWindow *transientParentWindow() const; 91 bool setNativeDialogVisible(bool visible); 92 QVariant styleHint(QPlatformDialogHelper::StyleHint hint) const; 93 void deletePlatformHelper(); 94 95 #if QT_CONFIG(pushbutton) 96 QPointer<QPushButton> mainDef; 97 #endif 98 Qt::Orientation orientation; 99 QWidget *extension; 100 bool doShowExtension; 101 QSize size, min, max; 102 #if QT_CONFIG(sizegrip) 103 QSizeGrip *resizer; 104 bool sizeGripEnabled; 105 #endif 106 QPoint lastRMBPress; 107 108 #if QT_CONFIG(pushbutton) 109 void setDefault(QPushButton *); 110 void setMainDefault(QPushButton *); 111 void hideDefault(); 112 #endif 113 void resetModalitySetByOpen(); 114 115 int rescode; 116 int resetModalityTo; 117 bool wasModalitySet; 118 119 QPointer<QEventLoop> eventLoop; 120 121 bool nativeDialogInUse; 122 QPlatformDialogHelper *platformHelper() const; 123 virtual bool canBeNativeDialog() const; 124 125 void hide(int resultCode); 126 void finalize(int resultCode, int dialogCode); 127 128 private: initHelper(QPlatformDialogHelper *)129 virtual void initHelper(QPlatformDialogHelper *) {} helperPrepareShow(QPlatformDialogHelper *)130 virtual void helperPrepareShow(QPlatformDialogHelper *) {} helperDone(QDialog::DialogCode,QPlatformDialogHelper *)131 virtual void helperDone(QDialog::DialogCode, QPlatformDialogHelper *) {} 132 133 mutable QPlatformDialogHelper *m_platformHelper; 134 mutable bool m_platformHelperCreated; 135 }; 136 137 template <typename T> 138 class QAutoPointer { 139 QPointer<T> o; funcinternal140 struct internal { void func() {} }; 141 typedef void (internal::*RestrictedBool)(); 142 public: QAutoPointer(T * t)143 explicit QAutoPointer(T *t) noexcept : o(t) {} ~QAutoPointer()144 ~QAutoPointer() { delete o; } 145 146 T *operator->() const noexcept { return get(); } get()147 T *get() const noexcept { return o; } 148 T &operator*() const { return *get(); } RestrictedBool()149 operator RestrictedBool() const noexcept { return o ? &internal::func : nullptr; } 150 bool operator!() const noexcept { return !o; } 151 private: 152 Q_DISABLE_COPY(QAutoPointer); 153 }; 154 155 QT_END_NAMESPACE 156 157 #endif // QDIALOG_P_H 158