From f4f56498c28d4c1d8afd498e4e61abe8e43a73e1 Mon Sep 17 00:00:00 2001
From: Yuhang Zhao <2546789017@qq.com>
Date: Sat, 30 Jul 2022 17:26:27 +0800
Subject: [PATCH] win32: minor improvement

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
---
 include/FramelessHelper/Core/utils.h |  2 ++
 src/core/framelesshelper_win.cpp     |  1 +
 src/core/utils_win.cpp               | 23 +++++++++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/include/FramelessHelper/Core/utils.h b/include/FramelessHelper/Core/utils.h
index aaa7a35..02daeaf 100644
--- a/include/FramelessHelper/Core/utils.h
+++ b/include/FramelessHelper/Core/utils.h
@@ -118,6 +118,8 @@ FRAMELESSHELPER_CORE_API void updateGlobalWin32ControlsTheme(const WId windowId,
 [[nodiscard]] FRAMELESSHELPER_CORE_API bool shouldAppsUseDarkMode_windows();
 FRAMELESSHELPER_CORE_API void forceSquareCornersForWindow(const WId windowId, const bool force);
 [[nodiscard]] FRAMELESSHELPER_CORE_API QColor getDwmAccentColor();
+FRAMELESSHELPER_CORE_API void disableOriginalTitleBarFunctionalities
+    (const WId windowId, const bool disable = true);
 #endif // Q_OS_WINDOWS
 
 #ifdef Q_OS_LINUX
diff --git a/src/core/framelesshelper_win.cpp b/src/core/framelesshelper_win.cpp
index ea9904d..556931d 100644
--- a/src/core/framelesshelper_win.cpp
+++ b/src/core/framelesshelper_win.cpp
@@ -504,6 +504,7 @@ void FramelessHelperWin::addWindow(const SystemParameters &params)
     }
     g_win32Helper()->mutex.unlock();
     Utils::fixupQtInternals(windowId);
+    Utils::disableOriginalTitleBarFunctionalities(windowId);
     Utils::updateInternalWindowFrameMargins(params.getWindowHandle(), true);
     Utils::updateWindowFrameMargins(windowId, false);
     static const bool isWin10RS1OrGreater = Utils::isWindowsVersionOrGreater(WindowsVersion::_10_1607);
diff --git a/src/core/utils_win.cpp b/src/core/utils_win.cpp
index 2689b55..3c348ff 100644
--- a/src/core/utils_win.cpp
+++ b/src/core/utils_win.cpp
@@ -38,6 +38,7 @@
 #include "framelesshelper_windows.h"
 #include "framelessconfig_p.h"
 #include "sysapiloader_p.h"
+#include <uxtheme.h>
 #include <d2d1.h>
 
 Q_DECLARE_METATYPE(QMargins)
@@ -134,6 +135,7 @@ FRAMELESSHELPER_STRING_CONSTANT(WallpaperStyle)
 FRAMELESSHELPER_STRING_CONSTANT(TileWallpaper)
 FRAMELESSHELPER_STRING_CONSTANT(UnregisterClassW)
 FRAMELESSHELPER_STRING_CONSTANT(DestroyWindow)
+FRAMELESSHELPER_STRING_CONSTANT(SetWindowThemeAttribute)
 
 struct Win32UtilsHelperData
 {
@@ -1841,4 +1843,25 @@ bool Utils::isBlurBehindWindowSupported()
     return result;
 }
 
+void Utils::disableOriginalTitleBarFunctionalities(const WId windowId, const bool disable)
+{
+    Q_ASSERT(windowId);
+    if (!windowId) {
+        return;
+    }
+    if (!API_THEME_AVAILABLE(SetWindowThemeAttribute)) {
+        return;
+    }
+    const auto hwnd = reinterpret_cast<HWND>(windowId);
+    WTA_OPTIONS options;
+    SecureZeroMemory(&options, sizeof(options));
+    options.dwFlags = options.dwMask = (disable ?
+        (WTNCA_NODRAWCAPTION | WTNCA_NODRAWICON | WTNCA_NOSYSMENU) : 0);
+    const HRESULT hr = API_CALL_FUNCTION(SetWindowThemeAttribute,
+        hwnd, WTA_NONCLIENT, &options, sizeof(options));
+    if (FAILED(hr)) {
+        WARNING << __getSystemErrorMessage(kSetWindowThemeAttribute, hr);
+    }
+}
+
 FRAMELESSHELPER_END_NAMESPACE