framelesshelper/src/core/framelesshelper_qt.cpp

309 lines
11 KiB
C++

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