From 88b5b56b6a67d93208eae3980af2f30da09dd8ae Mon Sep 17 00:00:00 2001 From: SineStriker <trueful@163.com> Date: 周三, 27 12月 2023 01:10:59 +0800 Subject: [PATCH] Add notification observer on Mac --- src/core/contexts/cocoawindowcontext.mm | 546 ++++++++++++++++++++++++++++++++++++++++-------------- 1 files changed, 402 insertions(+), 144 deletions(-) diff --git a/src/core/contexts/cocoawindowcontext.mm b/src/core/contexts/cocoawindowcontext.mm index 5c654ce..21616d5 100644 --- a/src/core/contexts/cocoawindowcontext.mm +++ b/src/core/contexts/cocoawindowcontext.mm @@ -3,106 +3,148 @@ #include <objc/runtime.h> #include <AppKit/AppKit.h> +#include <Cocoa/Cocoa.h> + #include <QtGui/QGuiApplication> + +#include "qwkglobal_p.h" +#include "systemwindow_p.h" namespace QWK { -#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) - static const struct QWK_Hook { - QWK_Hook() { - qputenv("QT_MAC_WANTS_LAYER", "1"); - } - } g_hook{}; -#endif + struct NSWindowProxy; - class NSWindowProxy : public QObject { - Q_OBJECT - public: + using ProxyList = QHash<WId, NSWindowProxy *>; + Q_GLOBAL_STATIC(ProxyList, g_proxyList); + + using ProxyList2 = QHash<NSWindow *, NSWindowProxy *>; + Q_GLOBAL_STATIC(ProxyList2, g_proxyIndexes); + +} + +struct QWK_NSWindowDelegate { +public: + virtual ~QWK_NSWindowDelegate() = default; + virtual void windowWillEnterFullScreen(){}; + virtual void windowDidEnterFullScreen(){}; + virtual void windowWillExitFullScreen(){}; + virtual void windowDidExitFullScreen(){}; + virtual void windowDidResize(){}; +}; + +// +// Objective C++ Begin +// + +@interface QWK_NSWindowObserver : NSObject { +} +@end + +@implementation QWK_NSWindowObserver + +- (id)init { + self = [super init]; + if (self) { + [[NSNotificationCenter defaultCenter] addObserver:self + selector:@selector(windowWillEnterFullScreen:) + name:NSWindowWillEnterFullScreenNotification + object:nil]; + [[NSNotificationCenter defaultCenter] addObserver:self + selector:@selector(windowDidEnterFullScreen:) + name:NSWindowDidEnterFullScreenNotification + object:nil]; + [[NSNotificationCenter defaultCenter] addObserver:self + selector:@selector(windowWillExitFullScreen:) + name:NSWindowWillExitFullScreenNotification + object:nil]; + [[NSNotificationCenter defaultCenter] addObserver:self + selector:@selector(windowDidExitFullScreen:) + name:NSWindowDidExitFullScreenNotification + object:nil]; + [[NSNotificationCenter defaultCenter] addObserver:self + selector:@selector(windowDidResize:) + name:NSWindowDidResizeNotification + object:nil]; + } + return self; +} + +- (void)dealloc { + [[NSNotificationCenter defaultCenter] removeObserver:self]; + [super dealloc]; +} + +- (void)windowWillEnterFullScreen:(NSNotification *)notification { + auto nswindow = reinterpret_cast<NSWindow *>(notification.object); + if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) { + reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowWillEnterFullScreen(); + } +} + +- (void)windowDidEnterFullScreen:(NSNotification *)notification { + auto nswindow = reinterpret_cast<NSWindow *>(notification.object); + if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) { + reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowDidEnterFullScreen(); + } +} + +- (void)windowWillExitFullScreen:(NSNotification *)notification { + auto nswindow = reinterpret_cast<NSWindow *>(notification.object); + if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) { + reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowWillExitFullScreen(); + } +} + +- (void)windowDidExitFullScreen:(NSNotification *)notification { + auto nswindow = reinterpret_cast<NSWindow *>(notification.object); + if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) { + reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowDidExitFullScreen(); + } +} + +- (void)windowDidResize:(NSNotification *)notification { + auto nswindow = reinterpret_cast<NSWindow *>(notification.object); + if (auto proxy = QWK::g_proxyIndexes->value(nswindow)) { + reinterpret_cast<QWK_NSWindowDelegate *>(proxy)->windowDidResize(); + } +} + +@end + +// +// Objective C++ End +// + +namespace QWK { + + struct NSWindowProxy : public QWK_NSWindowDelegate { NSWindowProxy(NSWindow *macWindow) { - if (instances.contains(macWindow)) { - return; - } nswindow = macWindow; - instances.insert(macWindow, this); - if (!windowClass) { - windowClass = [nswindow class]; - replaceImplementations(); - } + g_proxyIndexes->insert(nswindow, this); } ~NSWindowProxy() override { - instances.remove(nswindow); - if (instances.count() <= 0) { - restoreImplementations(); - windowClass = nil; - } - nswindow = nil; + g_proxyIndexes->remove(nswindow); } - public Q_SLOTS: - void replaceImplementations() { - Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:)); - Q_ASSERT(method); - oldSetStyleMask = reinterpret_cast<setStyleMaskPtr>( - method_setImplementation(method, reinterpret_cast<IMP>(setStyleMask))); - Q_ASSERT(oldSetStyleMask); - - method = - class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:)); - Q_ASSERT(method); - oldSetTitlebarAppearsTransparent = - reinterpret_cast<setTitlebarAppearsTransparentPtr>(method_setImplementation( - method, reinterpret_cast<IMP>(setTitlebarAppearsTransparent))); - Q_ASSERT(oldSetTitlebarAppearsTransparent); - -#if 0 - method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow)); - Q_ASSERT(method); - oldCanBecomeKeyWindow = reinterpret_cast<canBecomeKeyWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeKeyWindow))); - Q_ASSERT(oldCanBecomeKeyWindow); - - method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow)); - Q_ASSERT(method); - oldCanBecomeMainWindow = reinterpret_cast<canBecomeMainWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeMainWindow))); - Q_ASSERT(oldCanBecomeMainWindow); -#endif - - method = class_getInstanceMethod(windowClass, @selector(sendEvent:)); - Q_ASSERT(method); - oldSendEvent = reinterpret_cast<sendEventPtr>( - method_setImplementation(method, reinterpret_cast<IMP>(sendEvent))); - Q_ASSERT(oldSendEvent); + void windowWillEnterFullScreen() override { + qDebug() << "windowWillEnterFullScreen"; } - void restoreImplementations() { - Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:)); - Q_ASSERT(method); - method_setImplementation(method, reinterpret_cast<IMP>(oldSetStyleMask)); - oldSetStyleMask = nil; + void windowDidEnterFullScreen() override { + qDebug() << "windowDidEnterFullScreen"; + } - method = - class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:)); - Q_ASSERT(method); - method_setImplementation(method, - reinterpret_cast<IMP>(oldSetTitlebarAppearsTransparent)); - oldSetTitlebarAppearsTransparent = nil; + void windowWillExitFullScreen() override { + qDebug() << "windowWillExitFullScreen"; + } -#if 0 - method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow)); - Q_ASSERT(method); - method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeKeyWindow)); - oldCanBecomeKeyWindow = nil; + void windowDidExitFullScreen() override { + qDebug() << "windowDidExitFullScreen"; + } - method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow)); - Q_ASSERT(method); - method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeMainWindow)); - oldCanBecomeMainWindow = nil; -#endif - - method = class_getInstanceMethod(windowClass, @selector(sendEvent:)); - Q_ASSERT(method); - method_setImplementation(method, reinterpret_cast<IMP>(oldSendEvent)); - oldSendEvent = nil; + void windowDidResize() override { + qDebug() << "windowDidResize"; } void setSystemTitleBarVisible(const bool visible) { @@ -110,6 +152,7 @@ if (!nsview) { return; } + nsview.wantsLayer = YES; nswindow.styleMask |= NSWindowStyleMaskResizable; if (visible) { @@ -122,9 +165,10 @@ nswindow.hasShadow = YES; nswindow.showsToolbarButton = NO; nswindow.movableByWindowBackground = NO; - nswindow.movable = NO; - // For some unknown reason, we don't need the following hack in Qt versions below or - // equal to 6.2.4. + nswindow.movable = NO; // This line causes the window in the wrong position when + // become fullscreen. + // For some unknown reason, we don't need the following hack in Qt versions below or + // equal to 6.2.4. #if (QT_VERSION > QT_VERSION_CHECK(6, 2, 4)) [nswindow standardWindowButton:NSWindowCloseButton].hidden = (visible ? NO : YES); [nswindow standardWindowButton:NSWindowMiniaturizeButton].hidden = (visible ? NO : YES); @@ -132,9 +176,66 @@ #endif } + static void replaceImplementations() { + Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:)); + oldSetStyleMask = reinterpret_cast<setStyleMaskPtr>( + method_setImplementation(method, reinterpret_cast<IMP>(setStyleMask))); + + method = + class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:)); + oldSetTitlebarAppearsTransparent = + reinterpret_cast<setTitlebarAppearsTransparentPtr>(method_setImplementation( + method, reinterpret_cast<IMP>(setTitlebarAppearsTransparent))); + +#if 0 + method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow)); + oldCanBecomeKeyWindow = reinterpret_cast<canBecomeKeyWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeKeyWindow))); + + method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow)); + oldCanBecomeMainWindow = reinterpret_cast<canBecomeMainWindowPtr>(method_setImplementation(method, reinterpret_cast<IMP>(canBecomeMainWindow))); +#endif + + method = class_getInstanceMethod(windowClass, @selector(sendEvent:)); + oldSendEvent = reinterpret_cast<sendEventPtr>( + method_setImplementation(method, reinterpret_cast<IMP>(sendEvent))); + + // Alloc + windowObserver = [[QWK_NSWindowObserver alloc] init]; + } + + static void restoreImplementations() { + Method method = class_getInstanceMethod(windowClass, @selector(setStyleMask:)); + method_setImplementation(method, reinterpret_cast<IMP>(oldSetStyleMask)); + oldSetStyleMask = nil; + + method = + class_getInstanceMethod(windowClass, @selector(setTitlebarAppearsTransparent:)); + method_setImplementation(method, + reinterpret_cast<IMP>(oldSetTitlebarAppearsTransparent)); + oldSetTitlebarAppearsTransparent = nil; + +#if 0 + method = class_getInstanceMethod(windowClass, @selector(canBecomeKeyWindow)); + method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeKeyWindow)); + oldCanBecomeKeyWindow = nil; + + method = class_getInstanceMethod(windowClass, @selector(canBecomeMainWindow)); + method_setImplementation(method, reinterpret_cast<IMP>(oldCanBecomeMainWindow)); + oldCanBecomeMainWindow = nil; +#endif + + method = class_getInstanceMethod(windowClass, @selector(sendEvent:)); + method_setImplementation(method, reinterpret_cast<IMP>(oldSendEvent)); + oldSendEvent = nil; + + // Delete + [windowObserver release]; + windowObserver = nil; + } + private: static BOOL canBecomeKeyWindow(id obj, SEL sel) { - if (instances.contains(reinterpret_cast<NSWindow *>(obj))) { + if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) { return YES; } @@ -146,7 +247,7 @@ } static BOOL canBecomeMainWindow(id obj, SEL sel) { - if (instances.contains(reinterpret_cast<NSWindow *>(obj))) { + if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) { return YES; } @@ -158,7 +259,7 @@ } static void setStyleMask(id obj, SEL sel, NSWindowStyleMask styleMask) { - if (instances.contains(reinterpret_cast<NSWindow *>(obj))) { + if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) { styleMask |= NSWindowStyleMaskFullSizeContentView; } @@ -168,7 +269,7 @@ } static void setTitlebarAppearsTransparent(id obj, SEL sel, BOOL transparent) { - if (instances.contains(reinterpret_cast<NSWindow *>(obj))) { + if (g_proxyIndexes->contains(reinterpret_cast<NSWindow *>(obj))) { transparent = YES; } @@ -183,28 +284,31 @@ } #if 0 - const auto nswindow = reinterpret_cast<NSWindow *>(obj); - const auto it = instances.find(nswindow); - if (it == instances.end()) { - return; - } + const auto nswindow = reinterpret_cast<NSWindow *>(obj); + const auto it = instances.find(nswindow); + if (it == instances.end()) { + return; + } - NSWindowProxy * const proxy = it.value(); - if (event.type == NSEventTypeLeftMouseDown) { - proxy->lastMouseDownEvent = event; - QCoreApplication::processEvents(); - proxy->lastMouseDownEvent = nil; - } + NSWindowProxy *proxy = it.value(); + if (event.type == NSEventTypeLeftMouseDown) { + proxy->lastMouseDownEvent = event; + QCoreApplication::processEvents(); + proxy->lastMouseDownEvent = nil; + } #endif } + static inline const Class windowClass = [NSWindow class]; + private: + Q_DISABLE_COPY(NSWindowProxy) + NSWindow *nswindow = nil; + + static inline QWK_NSWindowObserver *windowObserver = nil; + // NSEvent *lastMouseDownEvent = nil; - - static inline QHash<NSWindow *, NSWindowProxy *> instances = {}; - - static inline Class windowClass = nil; using setStyleMaskPtr = void (*)(id, SEL, NSWindowStyleMask); static inline setStyleMaskPtr oldSetStyleMask = nil; @@ -222,48 +326,176 @@ static inline sendEventPtr oldSendEvent = nil; }; - using ProxyList = QHash<WId, NSWindowProxy *>; - Q_GLOBAL_STATIC(ProxyList, g_proxyList); - static inline NSWindow *mac_getNSWindow(const WId windowId) { const auto nsview = reinterpret_cast<NSView *>(windowId); - if (!nsview) { - return nil; - } return [nsview window]; } - static inline void cleanupProxy() { - if (g_proxyList()->isEmpty()) { - return; - } - const auto &data = *g_proxyList(); - qDeleteAll(data); - g_proxyList()->clear(); - } - static inline NSWindowProxy *ensureWindowProxy(const WId windowId) { - auto it = g_proxyList()->find(windowId); - if (it == g_proxyList()->end()) { - NSWindow *nswindow = mac_getNSWindow(windowId); - if (!nswindow) { - return nil; - } - const auto proxy = new NSWindowProxy(nswindow); - it = g_proxyList()->insert(windowId, proxy); + if (g_proxyList->isEmpty()) { + NSWindowProxy::replaceImplementations(); } - static bool cleanerInstalled = false; - if (!cleanerInstalled) { - cleanerInstalled = true; - qAddPostRoutine(cleanupProxy); + + auto it = g_proxyList->find(windowId); + if (it == g_proxyList->end()) { + NSWindow *nswindow = mac_getNSWindow(windowId); + const auto proxy = new NSWindowProxy(nswindow); + it = g_proxyList->insert(windowId, proxy); } return it.value(); } - CocoaWindowContext::CocoaWindowContext() { + static inline void releaseWindowProxy(const WId windowId) { + if (auto proxy = g_proxyList->take(windowId)) { + proxy->setSystemTitleBarVisible(true); + delete proxy; + } else { + return; + } + + if (g_proxyList->isEmpty()) { + NSWindowProxy::restoreImplementations(); + } + } + + class CocoaWindowEventFilter : public SharedEventFilter { + public: + explicit CocoaWindowEventFilter(AbstractWindowContext *context); + ~CocoaWindowEventFilter() override; + + enum WindowStatus { + Idle, + WaitingRelease, + PreparingMove, + Moving, + }; + + protected: + bool sharedEventFilter(QObject *object, QEvent *event) override; + + private: + AbstractWindowContext *m_context; + bool m_cursorShapeChanged; + WindowStatus m_windowStatus; + }; + + CocoaWindowEventFilter::CocoaWindowEventFilter(AbstractWindowContext *context) + : m_context(context), m_cursorShapeChanged(false), m_windowStatus(Idle) { + m_context->installSharedEventFilter(this); + } + + CocoaWindowEventFilter::~CocoaWindowEventFilter() = default; + + bool CocoaWindowEventFilter::sharedEventFilter(QObject *obj, QEvent *event) { + Q_UNUSED(obj) + + auto type = event->type(); + if (type < QEvent::MouseButtonPress || type > QEvent::MouseMove) { + return false; + } + auto host = m_context->host(); + auto window = m_context->window(); + auto delegate = m_context->delegate(); + auto me = static_cast<const QMouseEvent *>(event); + + QPoint scenePos = getMouseEventScenePos(me); + QPoint globalPos = getMouseEventGlobalPos(me); + + bool inTitleBar = m_context->isInTitleBarDraggableArea(scenePos); + switch (type) { + case QEvent::MouseButtonPress: { + switch (me->button()) { + case Qt::LeftButton: { + if (inTitleBar) { + // If we call startSystemMove() now but release the mouse without actual + // movement, there will be no MouseReleaseEvent, so we defer it when the + // mouse is actually moving for the first time + m_windowStatus = PreparingMove; + event->accept(); + return true; + } + break; + } + case Qt::RightButton: { + m_context->showSystemMenu(globalPos); + break; + } + default: + break; + } + m_windowStatus = WaitingRelease; + break; + } + + case QEvent::MouseButtonRelease: { + switch (m_windowStatus) { + case PreparingMove: + case Moving: { + m_windowStatus = Idle; + event->accept(); + return true; + } + case WaitingRelease: { + m_windowStatus = Idle; + break; + } + default: { + if (inTitleBar) { + event->accept(); + return true; + } + break; + } + } + break; + } + + case QEvent::MouseMove: { + switch (m_windowStatus) { + case Moving: { + return true; + } + case PreparingMove: { + m_windowStatus = Moving; + startSystemMove(window); + event->accept(); + return true; + } + default: + break; + } + break; + } + + case QEvent::MouseButtonDblClick: { + if (me->button() == Qt::LeftButton && inTitleBar && + !delegate->isHostSizeFixed(host)) { + Qt::WindowStates windowState = delegate->getWindowState(host); + if (!(windowState & Qt::WindowFullScreen)) { + if (windowState & Qt::WindowMaximized) { + delegate->setWindowState(host, windowState & ~Qt::WindowMaximized); + } else { + delegate->setWindowState(host, windowState | Qt::WindowMaximized); + } + event->accept(); + return true; + } + } + break; + } + + default: + break; + } + return false; + } + + CocoaWindowContext::CocoaWindowContext() : AbstractWindowContext() { + cocoaWindowEventFilter = std::make_unique<CocoaWindowEventFilter>(this); } CocoaWindowContext::~CocoaWindowContext() { + releaseWindowProxy(windowId); } QString CocoaWindowContext::key() const { @@ -271,19 +503,45 @@ } void CocoaWindowContext::virtual_hook(int id, void *data) { + switch (id) { + case SystemButtonAreaChangedHook: { + // TODO: mac system button rect updated + return; + } + + default: + break; + } + AbstractWindowContext::virtual_hook(id, data); } - bool CocoaWindowContext::setupHost() { -#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) - m_windowHandle->setProperty("_q_mac_wantsLayer", 1); -#endif - WId winId = m_windowHandle->winId(); - ensureWindowProxy(winId)->setSystemTitleBarVisible(false); - // Cache window ID - windowId = winId; - return true; + void CocoaWindowContext::winIdChanged() { + // If the original window id is valid, remove all resources related + if (windowId) { + releaseWindowProxy(windowId); + windowId = 0; + } + + if (!m_windowHandle) { + return; + } + + // Allocate new resources + windowId = m_windowHandle->winId(); + ensureWindowProxy(windowId)->setSystemTitleBarVisible(false); + } + + bool CocoaWindowContext::windowAttributeChanged(const QString &key, const QVariant &attribute, + const QVariant &oldAttribute) { + if (key == QStringLiteral("no-system-buttons")) { + if (attribute.toBool()) { + // TODO: set off + } else { + // TODO: set on + } + return true; + } + return false; } } - -#include "cocoawindowcontext.moc" \ No newline at end of file -- Gitblit v1.9.1