309 lines
11 KiB
C++
309 lines
11 KiB
C++
/*
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* MIT License
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*
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* Copyright (C) 2021-2023 by wangwenx190 (Yuhang Zhao)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "framelesshelper_qt.h"
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#if !FRAMELESSHELPER_CONFIG(native_impl)
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#include "framelessmanager.h"
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#include "framelessmanager_p.h"
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#include "framelessconfig_p.h"
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#include "framelesshelpercore_global_p.h"
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#include "utils.h"
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#include <QtCore/qloggingcategory.h>
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#include <QtGui/qevent.h>
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#include <QtGui/qwindow.h>
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FRAMELESSHELPER_BEGIN_NAMESPACE
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#if FRAMELESSHELPER_CONFIG(debug_output)
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[[maybe_unused]] static Q_LOGGING_CATEGORY(lcFramelessHelperQt, "wangwenx190.framelesshelper.core.impl.qt")
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# define INFO qCInfo(lcFramelessHelperQt)
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# define DEBUG qCDebug(lcFramelessHelperQt)
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# define WARNING qCWarning(lcFramelessHelperQt)
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# define CRITICAL qCCritical(lcFramelessHelperQt)
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#else
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# define INFO QT_NO_QDEBUG_MACRO()
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# define DEBUG QT_NO_QDEBUG_MACRO()
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# define WARNING QT_NO_QDEBUG_MACRO()
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# define CRITICAL QT_NO_QDEBUG_MACRO()
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#endif
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using namespace Global;
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struct FramelessDataQt : public FramelessData
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{
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FramelessHelperQt *framelessHelperImpl = nullptr;
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bool cursorShapeChanged = false;
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bool leftButtonPressed = false;
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FramelessDataQt();
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~FramelessDataQt() override;
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};
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using FramelessDataQtPtr = std::shared_ptr<FramelessDataQt>;
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[[nodiscard]] static inline FramelessDataQtPtr tryGetData(const QObject *window)
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{
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Q_ASSERT(window);
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if (!window) {
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return nullptr;
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}
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const FramelessDataPtr data = FramelessManagerPrivate::getData(window);
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if (!data) {
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return nullptr;
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}
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return std::dynamic_pointer_cast<FramelessDataQt>(data);
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}
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class FramelessHelperQtPrivate
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{
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FRAMELESSHELPER_PRIVATE_CLASS(FramelessHelperQt)
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public:
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explicit FramelessHelperQtPrivate(FramelessHelperQt *q);
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~FramelessHelperQtPrivate();
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const QObject *window = nullptr;
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};
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FramelessDataQt::FramelessDataQt() = default;
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FramelessDataQt::~FramelessDataQt() = default;
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[[nodiscard]] FramelessDataPtr FramelessData::create()
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{
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return std::make_shared<FramelessDataQt>();
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}
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FramelessHelperQtPrivate::FramelessHelperQtPrivate(FramelessHelperQt *q) : q_ptr(q)
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{
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Q_ASSERT(q_ptr);
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}
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FramelessHelperQtPrivate::~FramelessHelperQtPrivate() = default;
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FramelessHelperQt::FramelessHelperQt(QObject *parent) : QObject(parent), d_ptr(std::make_unique<FramelessHelperQtPrivate>(this))
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{
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}
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FramelessHelperQt::~FramelessHelperQt() = default;
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void FramelessHelperQt::addWindow(const QObject *window)
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{
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Q_ASSERT(window);
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if (!window) {
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return;
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}
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const FramelessDataQtPtr data = tryGetData(window);
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if (!data || data->frameless || !data->callbacks) {
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return;
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}
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QWindow *qWindow = data->callbacks->getWindowHandle();
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Q_ASSERT(qWindow);
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if (!qWindow) {
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return;
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}
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data->frameless = true;
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static const auto shouldApplyFramelessFlag = []() -> bool {
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#ifdef Q_OS_MACOS
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return false;
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#elif (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID))
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return !Utils::isCustomDecorationSupported();
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#elif defined(Q_OS_WINDOWS)
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return true;
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#endif // Q_OS_MACOS
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}();
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#if (defined(Q_OS_MACOS) && (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)))
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qWindow->setProperty("_q_mac_wantsLayer", 1);
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#endif // (defined(Q_OS_MACOS) && (QT_VERSION < QT_VERSION_CHECK(6, 0, 0)))
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if (shouldApplyFramelessFlag) {
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data->callbacks->setWindowFlags(data->callbacks->getWindowFlags() | Qt::FramelessWindowHint);
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} else {
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#if (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID))
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std::ignore = Utils::tryHideSystemTitleBar(data->callbacks->getWindowId(), true);
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#elif defined(Q_OS_MACOS)
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Utils::setSystemTitleBarVisible(data->callbacks->getWindowId(), false);
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#endif // Q_OS_LINUX
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}
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if (!data->framelessHelperImpl) {
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data->framelessHelperImpl = new FramelessHelperQt(qWindow);
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data->framelessHelperImpl->d_func()->window = window;
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qWindow->installEventFilter(data->framelessHelperImpl);
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}
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FramelessHelperEnableThemeAware();
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}
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void FramelessHelperQt::removeWindow(const QObject *window)
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{
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Q_ASSERT(window);
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if (!window) {
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return;
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}
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const FramelessDataQtPtr data = tryGetData(window);
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if (!data || !data->frameless || !data->callbacks) {
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return;
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}
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if (data->framelessHelperImpl) {
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QWindow *qWindow = data->callbacks->getWindowHandle();
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Q_ASSERT(qWindow);
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if (qWindow) {
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qWindow->removeEventFilter(data->framelessHelperImpl);
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delete data->framelessHelperImpl;
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data->framelessHelperImpl = nullptr;
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}
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}
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#ifdef Q_OS_MACOS
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Utils::removeWindowProxy(data->callbacks->getWindowId());
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#endif // Q_OS_MACOS
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}
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bool FramelessHelperQt::eventFilter(QObject *object, QEvent *event)
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{
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Q_ASSERT(object);
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Q_ASSERT(event);
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if (!object || !event) {
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return false;
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}
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#if (QT_VERSION < QT_VERSION_CHECK(6, 5, 0))
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if (Utils::isThemeChangeEvent(event)) {
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// Sometimes the FramelessManager instance may be destroyed already.
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if (FramelessManager *manager = FramelessManager::instance()) {
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if (FramelessManagerPrivate *managerPriv = FramelessManagerPrivate::get(manager)) {
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managerPriv->notifySystemThemeHasChangedOrNot();
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}
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}
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return false;
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}
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#endif // (QT_VERSION < QT_VERSION_CHECK(6, 5, 0))
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Q_D(FramelessHelperQt);
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if (!d->window || !object->isWindowType()) {
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return false;
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}
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const QEvent::Type type = event->type();
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// We are only interested in some specific mouse events (plus the DPR change event).
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if ((type != QEvent::MouseButtonPress) && (type != QEvent::MouseButtonRelease)
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&& (type != QEvent::MouseButtonDblClick) && (type != QEvent::MouseMove)
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
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&& (type != QEvent::DevicePixelRatioChange)
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#else // QT_VERSION < QT_VERSION_CHECK(6, 6, 0)
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&& (type != QEvent::ScreenChangeInternal) // Qt's internal event to notify screen change and DPR change.
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#endif // (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
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) {
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return false;
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}
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const FramelessDataQtPtr data = tryGetData(d->window);
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if (!data || !data->frameless || !data->callbacks) {
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return false;
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}
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
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if (type == QEvent::DevicePixelRatioChange)
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#else // QT_VERSION < QT_VERSION_CHECK(6, 6, 0)
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if (type == QEvent::ScreenChangeInternal)
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#endif // (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
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{
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data->callbacks->forceChildrenRepaint();
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return false;
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}
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const auto qWindow = qobject_cast<QWindow *>(object);
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const auto mouseEvent = static_cast<QMouseEvent *>(event);
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const Qt::MouseButton button = mouseEvent->button();
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
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const QPoint scenePos = mouseEvent->scenePosition().toPoint();
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const QPoint globalPos = mouseEvent->globalPosition().toPoint();
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#else
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const QPoint scenePos = mouseEvent->windowPos().toPoint();
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const QPoint globalPos = mouseEvent->screenPos().toPoint();
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#endif
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const bool windowFixedSize = data->callbacks->isWindowFixedSize();
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const bool ignoreThisEvent = data->callbacks->shouldIgnoreMouseEvents(scenePos);
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const bool insideTitleBar = data->callbacks->isInsideTitleBarDraggableArea(scenePos);
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const bool dontOverrideCursor = data->callbacks->getProperty(kDontOverrideCursorVar, false).toBool();
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const bool dontToggleMaximize = data->callbacks->getProperty(kDontToggleMaximizeVar, false).toBool();
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switch (type) {
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case QEvent::MouseButtonPress:
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if (button == Qt::LeftButton) {
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data->leftButtonPressed = true;
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if (!windowFixedSize) {
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const Qt::Edges edges = Utils::calculateWindowEdges(qWindow, scenePos);
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if (edges != Qt::Edges{}) {
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std::ignore = Utils::startSystemResize(qWindow, edges, globalPos);
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event->accept();
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return true;
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}
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}
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}
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break;
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case QEvent::MouseButtonRelease:
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if (button == Qt::LeftButton) {
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data->leftButtonPressed = false;
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} else if (button == Qt::RightButton) {
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if (!ignoreThisEvent && insideTitleBar) {
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data->callbacks->showSystemMenu(globalPos);
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event->accept();
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return true;
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}
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}
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break;
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case QEvent::MouseButtonDblClick:
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if (!dontToggleMaximize && (button == Qt::LeftButton) && !windowFixedSize && !ignoreThisEvent && insideTitleBar) {
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Qt::WindowState newWindowState = Qt::WindowNoState;
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if (data->callbacks->getWindowState() != Qt::WindowMaximized) {
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newWindowState = Qt::WindowMaximized;
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}
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data->callbacks->setWindowState(newWindowState);
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event->accept();
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return true;
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}
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break;
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case QEvent::MouseMove: {
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if (!dontOverrideCursor && !windowFixedSize) {
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const Qt::CursorShape cs = Utils::calculateCursorShape(qWindow, scenePos);
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if (cs == Qt::ArrowCursor) {
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if (data->cursorShapeChanged) {
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data->callbacks->unsetCursor();
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data->cursorShapeChanged = false;
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}
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} else {
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data->callbacks->setCursor(cs);
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data->cursorShapeChanged = true;
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}
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}
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if (data->leftButtonPressed) {
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if (!ignoreThisEvent && insideTitleBar) {
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std::ignore = Utils::startSystemMove(qWindow, globalPos);
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event->accept();
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return true;
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}
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}
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} break;
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default:
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break;
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}
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return false;
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}
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FRAMELESSHELPER_END_NAMESPACE
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#endif // !native_impl
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