diff options
Diffstat (limited to 'src/corelib/kernel/qcoreevent.h')
| -rw-r--r-- | src/corelib/kernel/qcoreevent.h | 110 |
1 files changed, 43 insertions, 67 deletions
diff --git a/src/corelib/kernel/qcoreevent.h b/src/corelib/kernel/qcoreevent.h index 780b84f98d..a65dbee7da 100644 --- a/src/corelib/kernel/qcoreevent.h +++ b/src/corelib/kernel/qcoreevent.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2020 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2020 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QCOREEVENT_H #define QCOREEVENT_H @@ -53,6 +17,29 @@ protected: \ Class &operator=(const Class &other) = default; \ Class &operator=(Class &&) = delete +#define Q_DECL_EVENT_COMMON(Class) \ + protected: \ + Class(const Class &); \ + Class(Class &&) = delete; \ + Class &operator=(const Class &other) = default; \ + Class &operator=(Class &&) = delete; \ + public: \ + Class* clone() const override; \ + ~Class() override; \ + private: + +#define Q_IMPL_EVENT_COMMON(Class) \ + Class::Class(const Class &) = default; \ + Class::~Class() = default; \ + Class* Class::clone() const \ + { \ + auto c = new Class(*this); \ + [[maybe_unused]] QEvent *e = c; \ + /* check that covariant return is safe to add */ \ + Q_ASSERT(reinterpret_cast<quintptr>(c) == reinterpret_cast<quintptr>(e)); \ + return c; \ + } + class QEventPrivate; class Q_CORE_EXPORT QEvent // event base class { @@ -90,7 +77,7 @@ public: Hide = 18, // widget is hidden Close = 19, // request to close widget Quit = 20, // request to quit application - ParentChange = 21, // widget has been reparented + ParentChange = 21, // object has been reparented ParentAboutToChange = 131, // sent just before the parent change is done ThreadChange = 22, // object has changed threads WindowActivate = 24, // window was activated @@ -285,7 +272,7 @@ public: StyleAnimationUpdate = 213, // style animation target should be updated ApplicationStateChange = 214, - WindowChangeInternal = 215, // internal for QQuickWidget + WindowChangeInternal = 215, // internal for QQuickWidget and texture-based widgets ScreenChangeInternal = 216, PlatformSurface = 217, // Platform surface created or about to be destroyed @@ -294,6 +281,16 @@ public: TabletTrackingChange = 219, // tablet tracking state has changed + // GraphicsSceneLeave = 220, + WindowAboutToChangeInternal = 221, // internal for QQuickWidget and texture-based widgets + + DevicePixelRatioChange = 222, + + ChildWindowAdded = 223, + ChildWindowRemoved = 224, + ParentWindowAboutToChange = 225, + ParentWindowChange = 226, + // 512 reserved for Qt Jambi's MetaCall event // 513 reserved for Qt Jambi's DeleteOnMainThread event @@ -357,6 +354,8 @@ private: friend class QApplication; friend class QGraphicsScenePrivate; // from QtTest: + // QtWebEngine event handling requires forwarding events as spontaneous. + // Impersonated QSpontaneKeyEvent in QtWebEngine to handle such cases. friend class QSpontaneKeyEvent; // needs this: Q_ALWAYS_INLINE @@ -365,14 +364,11 @@ private: class Q_CORE_EXPORT QTimerEvent : public QEvent { - Q_EVENT_DISABLE_COPY(QTimerEvent); + Q_DECL_EVENT_COMMON(QTimerEvent) public: explicit QTimerEvent(int timerId); - ~QTimerEvent(); int timerId() const { return id; } - QTimerEvent *clone() const override { return new QTimerEvent(*this); }; - protected: int id; }; @@ -381,51 +377,31 @@ class QObject; class Q_CORE_EXPORT QChildEvent : public QEvent { - Q_EVENT_DISABLE_COPY(QChildEvent); + Q_DECL_EVENT_COMMON(QChildEvent) public: QChildEvent(Type type, QObject *child); - ~QChildEvent(); + QObject *child() const { return c; } bool added() const { return type() == ChildAdded; } bool polished() const { return type() == ChildPolished; } bool removed() const { return type() == ChildRemoved; } - QChildEvent *clone() const override { return new QChildEvent(*this); }; - protected: QObject *c; }; class Q_CORE_EXPORT QDynamicPropertyChangeEvent : public QEvent { - Q_EVENT_DISABLE_COPY(QDynamicPropertyChangeEvent); + Q_DECL_EVENT_COMMON(QDynamicPropertyChangeEvent) public: explicit QDynamicPropertyChangeEvent(const QByteArray &name); - ~QDynamicPropertyChangeEvent(); inline QByteArray propertyName() const { return n; } - QDynamicPropertyChangeEvent *clone() const override { return new QDynamicPropertyChangeEvent(*this); }; - private: QByteArray n; }; -class Q_CORE_EXPORT QDeferredDeleteEvent : public QEvent -{ - Q_EVENT_DISABLE_COPY(QDeferredDeleteEvent); -public: - explicit QDeferredDeleteEvent(); - ~QDeferredDeleteEvent(); - int loopLevel() const { return level; } - - QDeferredDeleteEvent *clone() const override { return new QDeferredDeleteEvent(*this); }; - -private: - int level; - friend class QCoreApplication; -}; - QT_END_NAMESPACE #endif // QCOREEVENT_H |