From 2f6c83c095724bbba0f43b2f2893ba73c17949a6 Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周一, 11 12月 2023 21:57:40 +0800
Subject: [PATCH] add quick border

---
 src/core/contexts/abstractwindowcontext.cpp |  163 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 153 insertions(+), 10 deletions(-)

diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp
index 0cefb8b..49eb0c5 100644
--- a/src/core/contexts/abstractwindowcontext.cpp
+++ b/src/core/contexts/abstractwindowcontext.cpp
@@ -1,16 +1,41 @@
 #include "abstractwindowcontext_p.h"
 
+#include <QtGui/QPen>
+#include <QtGui/QPainter>
+
+#include "qwkglobal_p.h"
+
 namespace QWK {
 
-    AbstractWindowContext::~AbstractWindowContext() {
-        delete m_delegate;
+    AbstractWindowContext::AbstractWindowContext() {
     }
 
-    void AbstractWindowContext::setupWindow(QWindow *window) {
-        m_windowHandle = window;
+    AbstractWindowContext::~AbstractWindowContext() = default;
+
+    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;
+        }
+        return true;
     }
 
-    bool AbstractWindowContext::setHitTestVisible(QObject *obj, bool visible) {
+    bool AbstractWindowContext::setHitTestVisible(const QObject *obj, bool visible) {
         Q_ASSERT(obj);
         if (!obj) {
             return false;
@@ -35,14 +60,15 @@
         } else {
             m_hitTestVisibleRects.removeAll(rect);
         }
+        hitTestVisibleShapeDirty = true;
         return true;
     }
 
-    bool AbstractWindowContext::setSystemButton(CoreWindowAgent::SystemButton button,
-                                                     QObject *obj) {
+    bool AbstractWindowContext::setSystemButton(WindowAgentBase::SystemButton button,
+                                                QObject *obj) {
         Q_ASSERT(obj);
-        Q_ASSERT(button != CoreWindowAgent::Unknown);
-        if (!obj || (button == CoreWindowAgent::Unknown)) {
+        Q_ASSERT(button != WindowAgentBase::Unknown);
+        if (!obj || (button == WindowAgentBase::Unknown)) {
             return false;
         }
 
@@ -67,7 +93,124 @@
     }
 
     void AbstractWindowContext::showSystemMenu(const QPoint &pos) {
-        // ?
+        virtual_hook(ShowSystemMenuHook, &const_cast<QPoint &>(pos));
+    }
+
+    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,
+                                                  WindowAgentBase::SystemButton *button) const {
+        *button = WindowAgentBase::Unknown;
+        for (int i = WindowAgentBase::WindowIcon; i <= WindowAgentBase::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<WindowAgentBase::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 = WindowAgentBase::WindowIcon; i <= WindowAgentBase::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;
+    }
+
+    QString AbstractWindowContext::key() const {
+        return {};
+    }
+
+    static constexpr struct {
+        const quint32 grass = MAKE_RGBA_COLOR(210, 233, 189, 226);
+        const quint32 pink = MAKE_RGBA_COLOR(177, 205, 190, 240);
+        const quint32 tile = MAKE_RGBA_COLOR(193, 195, 211, 203);
+        const quint32 azure = MAKE_RGBA_COLOR(240, 240, 250, 255);
+    } kSampleColorSet;
+
+    void AbstractWindowContext::virtual_hook(int id, void *data) {
+        switch (id) {
+            case NeedsDrawBordersHook: {
+                auto &result = *static_cast<bool *>(data);
+                result = false;
+                return;
+            }
+            case DrawBordersHook: {
+                auto args = static_cast<void **>(data);
+                auto &painter = *static_cast<QPainter *>(args[0]);
+                const auto &rect = *static_cast<const QRect *>(args[1]);
+
+                // Top
+                painter.setPen(kSampleColorSet.grass);
+                painter.drawLine(rect.topLeft(), rect.topRight());
+
+                // Right
+                painter.setPen(kSampleColorSet.pink);
+                painter.drawLine(rect.topRight(), rect.bottomRight());
+
+                // Bottom
+                painter.setPen(kSampleColorSet.tile);
+                painter.drawLine(rect.bottomLeft(), rect.bottomRight());
+
+                // Right
+                painter.setPen(kSampleColorSet.azure);
+                painter.drawLine(rect.topLeft(), rect.bottomLeft());
+                return;
+            }
+            default:
+                break;
+        }
     }
 
 }
\ No newline at end of file

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