From a5d13e19dd7f6037e10b649c49805922ae5e0fa6 Mon Sep 17 00:00:00 2001
From: SineStriker <trueful@163.com>
Date: 周五, 22 12月 2023 17:04:29 +0800
Subject: [PATCH] Prepare to remove style support again

---
 src/core/contexts/cocoawindowcontext.mm |  101 ++++++++++++++++++++++++++------------------------
 1 files changed, 52 insertions(+), 49 deletions(-)

diff --git a/src/core/contexts/cocoawindowcontext.mm b/src/core/contexts/cocoawindowcontext.mm
index 34fdcb2..949681d 100644
--- a/src/core/contexts/cocoawindowcontext.mm
+++ b/src/core/contexts/cocoawindowcontext.mm
@@ -5,18 +5,10 @@
 
 #include <QtGui/QGuiApplication>
 
+#include "qwkglobal_p.h"
+#include "systemwindow_p.h"
+
 namespace QWK {
-    // ### FIXME FIXME FIXME
-    // ### FIXME: Tell the user to call in the documentation, instead of automatically
-    // calling it directly.
-    // ### FIXME FIXME FIXME
-#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 {
         NSWindowProxy(NSWindow *macWindow) {
@@ -218,15 +210,6 @@
         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()) {
@@ -234,12 +217,14 @@
             const auto proxy = new NSWindowProxy(nswindow);
             it = g_proxyList()->insert(windowId, proxy);
         }
-        static bool cleanerInstalled = false;
-        if (!cleanerInstalled) {
-            cleanerInstalled = true;
-            qAddPostRoutine(cleanupProxy);
-        }
         return it.value();
+    }
+
+    static inline void releaseWindowProxy(const WId windowId) {
+        if (const auto proxy = g_proxyList()->take(windowId)) {
+            proxy->setSystemTitleBarVisible(true);
+            delete proxy;
+        }
     }
 
     class CocoaWindowEventFilter : public QObject {
@@ -270,22 +255,20 @@
 
     CocoaWindowEventFilter::~CocoaWindowEventFilter() = default;
 
-    bool CocoaWindowEventFilter::eventFilter(QObject *object, QEvent *event) {
+    bool CocoaWindowEventFilter::eventFilter(QObject *obj, QEvent *event) {
+        Q_UNUSED(obj)
         auto type = event->type();
         if (type < QEvent::MouseButtonPress || type > QEvent::MouseMove) {
             return false;
         }
-        QObject *host = m_context->host();
-        QWindow *window = m_context->window();
-        WindowItemDelegate *delegate = m_context->delegate();
+        auto host = m_context->host();
+        auto window = m_context->window();
+        auto delegate = m_context->delegate();
         auto me = static_cast<const QMouseEvent *>(event);
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-        QPoint scenePos = mouseEvent->scenePosition().toPoint();
-        QPoint globalPos = mouseEvent->globalPosition().toPoint();
-#else
-        QPoint scenePos = me->windowPos().toPoint();
-        QPoint globalPos = me->screenPos().toPoint();
-#endif
+
+        QPoint scenePos = getMouseEventScenePos(me);
+        QPoint globalPos = getMouseEventGlobalPos(me);
+
         bool inTitleBar = m_context->isInTitleBarDraggableArea(scenePos);
         switch (type) {
             case QEvent::MouseButtonPress: {
@@ -299,7 +282,6 @@
                             event->accept();
                             return true;
                         }
-                        m_windowStatus = WaitingRelease;
                         break;
                     }
                     case Qt::RightButton: {
@@ -309,6 +291,7 @@
                     default:
                         break;
                 }
+                m_windowStatus = WaitingRelease;
                 break;
             }
 
@@ -342,7 +325,7 @@
                     }
                     case PreparingMove: {
                         m_windowStatus = Moving;
-                        window->startSystemMove();
+                        startSystemMove(window);
                         event->accept();
                         return true;
                     }
@@ -379,7 +362,7 @@
     }
 
     CocoaWindowContext::~CocoaWindowContext() {
-        // TODO: deref something?
+        releaseWindowProxy(windowId);
     }
 
     QString CocoaWindowContext::key() const {
@@ -388,26 +371,46 @@
 
     void CocoaWindowContext::virtual_hook(int id, void *data) {
         switch (id) {
-            case ShowSystemMenuHook:
-                // TODO: mac system menu
-                return;
-            case SystemButtonAreaChangedHook:
+            case SystemButtonAreaChangedHook: {
                 // TODO: mac system button rect updated
                 return;
+            }
+
             default:
                 break;
         }
         AbstractWindowContext::virtual_hook(id, data);
     }
 
-    bool CocoaWindowContext::setupHost() {
+    void CocoaWindowContext::winIdChanged() {
+        // If the original window id is valid, remove all resources related
+        if (windowId) {
+            releaseWindowProxy(windowId);
+            windowId = 0;
+            cocoaWindowEventFilter.reset();
+        }
+
+        if (!m_windowHandle) {
+            return;
+        }
+
+        // Allocate new resources
         windowId = m_windowHandle->winId();
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-        m_windowHandle->setProperty("_q_mac_wantsLayer", 1);
-#endif
         ensureWindowProxy(windowId)->setSystemTitleBarVisible(false);
-        std::ignore = new CocoaWindowEventFilter(this, this);
-        return true;
+        cocoaWindowEventFilter = std::make_unique<CocoaWindowEventFilter>(this, this);
+    }
+
+    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;
     }
 
 }

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