From fee0c64a8f8d6237f94457b608cc09614514f9b5 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周六, 23 12月 2023 15:00:35 +0800
Subject: [PATCH] Fix window overflow

---
 src/core/contexts/win32windowcontext.cpp |   63 +++++++++++++++++++++++++------
 1 files changed, 51 insertions(+), 12 deletions(-)

diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index bcf91f3..27450d9 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -21,6 +21,8 @@
 #  include <QtGui/qpa/qplatformwindow_p.h>
 #endif
 
+#include <QWKCore/qwkconfig.h>
+
 #include "qwkglobal_p.h"
 #include "qwkwindowsextra_p.h"
 
@@ -55,7 +57,7 @@
 
     static inline quint32 getDpiForWindow(HWND hwnd) {
         const DynamicApis &apis = DynamicApis::instance();
-        if (apis.pGetDpiForWindow) { // Win10
+        if (apis.pGetDpiForWindow) {         // Win10
             return apis.pGetDpiForWindow(hwnd);
         } else if (apis.pGetDpiForMonitor) { // Win8.1
             HMONITOR monitor = ::MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
@@ -712,20 +714,23 @@
         auto winId = m_windowHandle->winId();
         auto hWnd = reinterpret_cast<HWND>(winId);
 
-        if (!isWin10OrGreater()) {
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+        if (!isWin10OrGreater())
+#endif
+        {
             static constexpr const MARGINS margins = {1, 1, 1, 1};
             DynamicApis::instance().pDwmExtendFrameIntoClientArea(hWnd, &margins);
         }
 
-#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
-        for (const auto attr : {
-                 _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
-                 _DWMWA_USE_IMMERSIVE_DARK_MODE,
-             }) {
-            const BOOL enable = TRUE;
-            DynamicApis::instance().pDwmSetWindowAttribute(hWnd, attr, &enable, sizeof(enable));
-        }
+        {
+            auto style = ::GetWindowLongPtrW(hWnd, GWL_STYLE);
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+            ::SetWindowLongPtrW(hWnd, GWL_STYLE, style & (~WS_SYSMENU));
+#else
+            ::SetWindowLongPtrW(hWnd, GWL_STYLE,
+                                (style | WS_THICKFRAME | WS_CAPTION) & (~WS_SYSMENU));
 #endif
+        }
 
         // Add managed window
         addManagedWindow(m_windowHandle, hWnd, this);
@@ -792,7 +797,8 @@
         const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
         const DynamicApis &apis = DynamicApis::instance();
         static constexpr const MARGINS extendMargins = {-1, -1, -1, -1};
-        static const auto defaultMargins = isWin10OrGreater() ? MARGINS{0, 0, 0, 0} : MARGINS{1, 1, 1, 1};
+        static const auto defaultMargins =
+            isWin10OrGreater() ? MARGINS{0, 0, 0, 0} : MARGINS{1, 1, 1, 1};
         if (key == QStringLiteral("mica")) {
             if (!isWin11OrGreater()) {
                 return false;
@@ -929,6 +935,29 @@
                 }
                 apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
             }
+            return true;
+        } else if (key == QStringLiteral("dark-mode")) {
+            if (!isWin101809OrGreater()) {
+                return false;
+            }
+
+            BOOL enable = attribute.toBool();
+
+            if (isWin101903OrGreater()) {
+                apis.pSetPreferredAppMode(enable ? PAM_AUTO : PAM_DEFAULT);
+            } else {
+                apis.pAllowDarkModeForApp(enable);
+            }
+
+            for (const auto attr : {
+                     _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
+                     _DWMWA_USE_IMMERSIVE_DARK_MODE,
+                 }) {
+                apis.pDwmSetWindowAttribute(hwnd, attr, &enable, sizeof(enable));
+            }
+
+            apis.pFlushMenuThemes();
+
             return true;
         }
         return false;
@@ -1459,6 +1488,7 @@
                 int frameSize = getResizeBorderThickness(hWnd);
                 bool isTop = (nativeLocalPos.y < frameSize);
 
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
                 if (isWin10OrGreater()) {
                     // This will handle the left, right and bottom parts of the frame
                     // because we didn't change them.
@@ -1501,7 +1531,9 @@
                     }
                     *result = HTCLIENT;
                     return true;
-                } else {
+                } else
+#endif
+                {
                     if (full) {
                         *result = HTCLIENT;
                         return true;
@@ -1738,6 +1770,7 @@
         // and align it with the upper-left corner of our new client area".
         const auto clientRect = wParam ? &(reinterpret_cast<LPNCCALCSIZE_PARAMS>(lParam))->rgrc[0]
                                        : reinterpret_cast<LPRECT>(lParam);
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
         if (isWin10OrGreater()) {
             // Store the original top margin before the default window procedure applies the
             // default frame.
@@ -1765,6 +1798,7 @@
             // technique to bring the top border back.
             clientRect->top = originalTop;
         }
+#endif
         const bool max = IsMaximized(hWnd);
         const bool full = isFullScreen(hWnd);
         // We don't need this correction when we're fullscreen. We will
@@ -1779,11 +1813,16 @@
             // a window when it's maximized unless you restore it).
             const quint32 frameSize = getResizeBorderThickness(hWnd);
             clientRect->top += frameSize;
+
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
             if (!isWin10OrGreater()) {
+#endif
                 clientRect->bottom -= frameSize;
                 clientRect->left += frameSize;
                 clientRect->right -= frameSize;
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
             }
+#endif
         }
         // Attempt to detect if there's an autohide taskbar, and if
         // there is, reduce our size a bit on the side with the taskbar,

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