From 503d6461cde51aefeea73fc956264cbc815e9c14 Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周三, 20 12月 2023 19:44:59 +0800
Subject: [PATCH] minor tweaks

---
 src/core/contexts/abstractwindowcontext.cpp |   82 ++++++++++++++++++++++++++++++++---------
 1 files changed, 64 insertions(+), 18 deletions(-)

diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp
index d69ab75..535ffc2 100644
--- a/src/core/contexts/abstractwindowcontext.cpp
+++ b/src/core/contexts/abstractwindowcontext.cpp
@@ -2,6 +2,7 @@
 
 #include <QtGui/QPen>
 #include <QtGui/QPainter>
+#include <QtGui/QScreen>
 
 #include "qwkglobal_p.h"
 
@@ -17,11 +18,22 @@
         }
         m_host = host;
         m_delegate.reset(delegate);
-        m_windowHandle = m_delegate->hostWindow(m_host);
-        if (m_windowHandle) {
-            m_windowHandleGuard = m_windowHandle;
-            winIdChanged(nullptr, false);
-        }
+        setEnabled(true);
+    }
+
+    void AbstractWindowContext::setWindowAttribute(const QString &key, const QVariant &var) {
+        auto it = m_windowAttributes.find(key);
+        if (it.value() == var)
+            return;
+
+        auto newVar = var;
+        auto oldVar = it.value();
+        void *args[] = {
+            &const_cast<QString &>(key),
+            &newVar,
+            &oldVar,
+        };
+        virtual_hook(WindowAttributeChangedHook, args);
     }
 
     bool AbstractWindowContext::setHitTestVisible(const QObject *obj, bool visible) {
@@ -40,9 +52,8 @@
 
     bool AbstractWindowContext::setSystemButton(WindowAgentBase::SystemButton button,
                                                 QObject *obj) {
-        Q_ASSERT(obj);
         Q_ASSERT(button != WindowAgentBase::Unknown);
-        if (!obj || (button == WindowAgentBase::Unknown)) {
+        if (button == WindowAgentBase::Unknown) {
             return false;
         }
 
@@ -55,10 +66,6 @@
 
     bool AbstractWindowContext::setTitleBar(QObject *item) {
         Q_ASSERT(item);
-        if (!item) {
-            return false;
-        }
-
         if (m_titleBar == item) {
             return false;
         }
@@ -145,13 +152,22 @@
     void AbstractWindowContext::virtual_hook(int id, void *data) {
         switch (id) {
             case CentralizeHook: {
-                // TODO: Qt
-                break;
+                QRect screenGeometry = m_windowHandle->screen()->geometry();
+                int x = (screenGeometry.width() - m_windowHandle->width()) / 2;
+                int y = (screenGeometry.height() - m_windowHandle->height()) / 2;
+                QPoint pos(x, y);
+                pos += screenGeometry.topLeft();
+                m_windowHandle->setPosition(pos);
+                return;
             }
 
-            case ShowSystemMenuHook: {
-                // TODO: Qt
-                break;
+            case RaiseWindowHook: {
+                Qt::WindowStates state = m_delegate->getWindowState(m_host);
+                if (state & Qt::WindowMinimized) {
+                    m_delegate->setWindowState(m_host, state & ~Qt::WindowMinimized);
+                }
+                m_delegate->bringWindowToTop(m_host);
+                return;
             }
 
             case DefaultColorsHook: {
@@ -174,9 +190,39 @@
     }
 
     void AbstractWindowContext::notifyWinIdChange() {
+        if (!m_internalEnabled)
+            return;
+
         auto oldWindow = m_windowHandle;
+        if (oldWindow == m_windowHandle)
+            return;
+        auto isDestroyed = oldWindow && m_windowHandleCache.isNull();
         m_windowHandle = m_delegate->window(m_host);
-        winIdChanged(oldWindow, oldWindow && m_windowHandleGuard.isNull());
+        m_windowHandleCache = m_windowHandle;
+        winIdChanged(oldWindow, isDestroyed);
     }
 
-}
\ No newline at end of file
+    void AbstractWindowContext::setEnabled(bool enabled) {
+        if (enabled == m_internalEnabled)
+            return;
+        m_internalEnabled = enabled;
+
+        if (enabled) {
+            m_windowHandle = m_delegate->window(m_host);
+            m_windowHandleCache = m_windowHandle;
+            if (m_windowHandle) {
+                winIdChanged(nullptr, false);
+            }
+            return;
+        }
+
+        if (!m_windowHandle)
+            return;
+
+        auto oldWindow = m_windowHandle;
+        m_windowHandle = nullptr;
+        m_windowHandleCache.clear();
+        winIdChanged(oldWindow, false);
+    }
+
+}

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