From 86403b4e99f901f687050ce9a91a8e539331cebb Mon Sep 17 00:00:00 2001
From: Yuhang Zhao <zhaoyuhang@rankyee.com>
Date: 周四, 07 12月 2023 17:39:55 +0800
Subject: [PATCH] remove not needed result

---
 src/core/contexts/abstractwindowcontext.cpp |  139 ++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 132 insertions(+), 7 deletions(-)

diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp
index 0cefb8b..c33f98c 100644
--- a/src/core/contexts/abstractwindowcontext.cpp
+++ b/src/core/contexts/abstractwindowcontext.cpp
@@ -2,15 +2,62 @@
 
 namespace QWK {
 
-    AbstractWindowContext::~AbstractWindowContext() {
-        delete m_delegate;
+    AbstractWindowContext::AbstractWindowContext()
+        : m_host(nullptr), m_delegate(nullptr), m_windowHandle(nullptr) {
     }
 
-    void AbstractWindowContext::setupWindow(QWindow *window) {
-        m_windowHandle = window;
+    AbstractWindowContext::~AbstractWindowContext() = default;
+
+    class EventFilterForwarder : public QObject {
+    public:
+        using EventProc = bool (*)(QEvent *, void *);
+
+        EventFilterForwarder(EventProc proc, void *user, QObject *parent = nullptr)
+            : QObject(parent), proc(proc), user(user) {
+        }
+
+        bool eventFilter(QObject *obj, QEvent *event) override {
+            Q_UNUSED(obj)
+            return proc(event, user);
+        }
+
+    protected:
+        EventProc proc;
+        void *user;
+    };
+
+    bool AbstractWindowContext::setup(QObject *host, WindowItemDelegate *delegate) {
+        if (!host || !delegate) {
+            return false;
+        }
+
+        auto windowHandle = delegate->hostWindow(host);
+        if (!windowHandle) {
+            return false;
+        }
+
+        m_host = host;
+        m_delegate.reset(delegate);
+        m_windowHandle = windowHandle;
+
+        if (!setupHost()) {
+            m_host = nullptr;
+            m_delegate = nullptr;
+            m_windowHandle = nullptr;
+            return false;
+        }
+
+        // Install specific event filter
+        host->installEventFilter(new EventFilterForwarder(
+            [](QEvent *event, void *user) {
+                return static_cast<AbstractWindowContext *>(user)->hostEventFilter(event);
+            },
+            this, this));
+
+        return true;
     }
 
-    bool AbstractWindowContext::setHitTestVisible(QObject *obj, bool visible) {
+    bool AbstractWindowContext::setHitTestVisible(const QObject *obj, bool visible) {
         Q_ASSERT(obj);
         if (!obj) {
             return false;
@@ -35,11 +82,12 @@
         } else {
             m_hitTestVisibleRects.removeAll(rect);
         }
+        hitTestVisibleShapeDirty = true;
         return true;
     }
 
     bool AbstractWindowContext::setSystemButton(CoreWindowAgent::SystemButton button,
-                                                     QObject *obj) {
+                                                const QObject *obj) {
         Q_ASSERT(obj);
         Q_ASSERT(button != CoreWindowAgent::Unknown);
         if (!obj || (button == CoreWindowAgent::Unknown)) {
@@ -53,7 +101,7 @@
         return true;
     }
 
-    bool AbstractWindowContext::setTitleBar(QObject *item) {
+    bool AbstractWindowContext::setTitleBar(const QObject *item) {
         Q_ASSERT(item);
         if (!item) {
             return false;
@@ -70,4 +118,81 @@
         // ?
     }
 
+    QRegion AbstractWindowContext::hitTestShape() const {
+        if (hitTestVisibleShapeDirty) {
+            hitTestVisibleShape = {};
+            for (const auto &rect : m_hitTestVisibleRects) {
+                hitTestVisibleShape += rect;
+            }
+            hitTestVisibleShapeDirty = false;
+        }
+        return hitTestVisibleShape;
+    }
+
+    bool AbstractWindowContext::isInSystemButtons(const QPoint &pos,
+                                                  CoreWindowAgent::SystemButton *button) const {
+        *button = CoreWindowAgent::Unknown;
+        for (int i = CoreWindowAgent::WindowIcon; i <= CoreWindowAgent::Close; ++i) {
+            auto currentButton = m_systemButtons[i];
+            if (!currentButton || !m_delegate->isVisible(currentButton) ||
+                !m_delegate->isEnabled(currentButton)) {
+                continue;
+            }
+            if (m_delegate->mapGeometryToScene(currentButton).contains(pos)) {
+                *button = static_cast<CoreWindowAgent::SystemButton>(i);
+                return true;
+            }
+        }
+        return false;
+    }
+
+    bool AbstractWindowContext::isInTitleBarDraggableArea(const QPoint &pos) const {
+        if (!m_titleBar) {
+            // There's no title bar at all, the mouse will always be in the client area.
+            return false;
+        }
+        if (!m_delegate->isVisible(m_titleBar) || !m_delegate->isEnabled(m_titleBar)) {
+            // The title bar is hidden or disabled for some reason, treat it as there's
+            // no title bar.
+            return false;
+        }
+        QRect windowRect = {QPoint(0, 0), m_windowHandle->size()};
+        QRect titleBarRect = m_delegate->mapGeometryToScene(m_titleBar);
+        if (!titleBarRect.intersects(windowRect)) {
+            // The title bar is totally outside the window for some reason,
+            // also treat it as there's no title bar.
+            return false;
+        }
+
+        if (!titleBarRect.contains(pos)) {
+            return false;
+        }
+
+        for (int i = CoreWindowAgent::WindowIcon; i <= CoreWindowAgent::Close; ++i) {
+            auto currentButton = m_systemButtons[i];
+            if (currentButton && m_delegate->isVisible(currentButton) &&
+                m_delegate->isEnabled(currentButton) &&
+                m_delegate->mapGeometryToScene(currentButton).contains(pos)) {
+                return false;
+            }
+        }
+
+        for (auto widget : m_hitTestVisibleItems) {
+            if (widget && m_delegate->isVisible(widget) && m_delegate->isEnabled(widget) &&
+                m_delegate->mapGeometryToScene(widget).contains(pos)) {
+                return false;
+            }
+        }
+
+        if (!m_hitTestVisibleRects.isEmpty() && hitTestShape().contains(pos)) {
+            return false;
+        }
+        return true;
+    }
+
+    bool AbstractWindowContext::hostEventFilter(QEvent *event) {
+        Q_UNUSED(event)
+        return false;
+    }
+
 }
\ No newline at end of file

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