From 564f33e8b29a6f73050f4da3f843b942aaf0d739 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周三, 08 5月 2024 19:36:16 +0800
Subject: [PATCH] Improve event filter handling

---
 src/core/contexts/win32windowcontext.cpp |   49 ++++++++++++++++++++++++++++++-------------------
 1 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index a448ed6..a75efe7 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -699,9 +699,9 @@
                 auto hWnd = reinterpret_cast<HWND>(m_windowId);
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
                 const QPoint nativeGlobalPos =
-                    QHighDpi::toNativeGlobalPosition(pos, m_windowHandle);
+                    QHighDpi::toNativeGlobalPosition(pos, m_windowHandle.data());
 #else
-                const QPoint nativeGlobalPos = QHighDpi::toNativePixels(pos, m_windowHandle);
+                const QPoint nativeGlobalPos = QHighDpi::toNativePixels(pos, m_windowHandle.data());
 #endif
                 std::ignore = showSystemMenu_sys(hWnd, qpoint2point(nativeGlobalPos), false,
                                                  m_delegate->isHostSizeFixed(m_host));
@@ -1263,7 +1263,7 @@
                     POINT screenPoint{GET_X_LPARAM(dwScreenPos), GET_Y_LPARAM(dwScreenPos)};
                     ::ScreenToClient(hWnd, &screenPoint);
                     QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(point2qpoint(screenPoint),
-                                                                          m_windowHandle);
+                                                                          m_windowHandle.data());
                     auto dummy = WindowAgentBase::Unknown;
                     if (isInSystemButtons(qtScenePos, &dummy)) {
                         // We must record whether the last WM_MOUSELEAVE was filtered, because if
@@ -1388,8 +1388,8 @@
                                     // menu while Windows will create and execute a new event loop
                                     // until the menu returns
                                     iconButtonClickTime = ::GetTickCount64();
-                                    *result =
-                                        ::DefWindowProcW(hWnd, WM_NCLBUTTONDOWN, wParam, lParam);
+                                    *result = ::DefWindowProcW(hWnd, message, wParam, lParam);
+                                    iconButtonClickTime = 0;
                                     if (iconButtonClickLevel & IconButtonTriggersClose) {
                                         ::PostMessageW(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
                                     }
@@ -1563,8 +1563,8 @@
                 auto clientWidth = RECT_WIDTH(clientRect);
                 auto clientHeight = RECT_HEIGHT(clientRect);
 
-                QPoint qtScenePos =
-                    QHighDpi::fromNativeLocalPosition(point2qpoint(nativeLocalPos), m_windowHandle);
+                QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(point2qpoint(nativeLocalPos),
+                                                                      m_windowHandle.data());
 
                 bool isFixedSize = m_delegate->isHostSizeFixed(m_host);
                 bool isTitleBar = isInTitleBarDraggableArea(qtScenePos);
@@ -2104,9 +2104,12 @@
         switch (message) {
             case WM_RBUTTONUP: {
                 const POINT nativeLocalPos = getNativePosFromMouse();
-                const QPoint qtScenePos =
-                    QHighDpi::fromNativeLocalPosition(point2qpoint(nativeLocalPos), m_windowHandle);
-                if (isInTitleBarDraggableArea(qtScenePos)) {
+                const QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(
+                    point2qpoint(nativeLocalPos), m_windowHandle.data());
+                WindowAgentBase::SystemButton sysButtonType = WindowAgentBase::Unknown;
+                if (isInTitleBarDraggableArea(qtScenePos) ||
+                    (isInSystemButtons(qtScenePos, &sysButtonType) &&
+                     sysButtonType == WindowAgentBase::WindowIcon)) {
                     shouldShowSystemMenu = true;
                     nativeGlobalPos = nativeLocalPos;
                     ::ClientToScreen(hWnd, &nativeGlobalPos);
@@ -2176,14 +2179,23 @@
                         WH_MOUSE,
                         [](int nCode, WPARAM wParam, LPARAM lParam) {
                             if (nCode >= 0) {
-                                if (wParam == WM_LBUTTONDOWN || wParam == WM_LBUTTONDBLCLK) {
-                                    if (wParam == WM_LBUTTONDBLCLK) {
+                                switch (wParam) {
+                                    case WM_LBUTTONDBLCLK:
                                         mouseDoubleClicked = true;
+                                        Q_FALLTHROUGH();
+
+                                        // case WM_POINTERDOWN:
+
+                                    case WM_LBUTTONDOWN: {
+                                        auto pMouseStruct =
+                                            reinterpret_cast<MOUSEHOOKSTRUCT *>(lParam);
+                                        if (pMouseStruct) {
+                                            mouseClickPos = pMouseStruct->pt;
+                                        }
+                                        break;
                                     }
-                                    auto pMouseStruct = reinterpret_cast<MOUSEHOOKSTRUCT *>(lParam);
-                                    if (pMouseStruct) {
-                                        mouseClickPos = pMouseStruct->pt;
-                                    }
+                                    default:
+                                        break;
                                 }
                             }
                             return ::CallNextHookEx(nullptr, nCode, wParam, lParam);
@@ -2201,17 +2213,16 @@
                 ::UnhookWindowsHookEx(mouseHook);
 
                 // Emulate the Windows icon button's behavior
-                static uint32_t doubleClickTime = ::GetDoubleClickTime();
                 if (!res && mouseClickPos.has_value()) {
                     POINT nativeLocalPos = mouseClickPos.value();
                     ::ScreenToClient(hWnd, &nativeLocalPos);
                     QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(
-                        point2qpoint(nativeLocalPos), m_windowHandle);
+                        point2qpoint(nativeLocalPos), m_windowHandle.data());
                     WindowAgentBase::SystemButton sysButtonType = WindowAgentBase::Unknown;
                     if (isInSystemButtons(qtScenePos, &sysButtonType) &&
                         sysButtonType == WindowAgentBase::WindowIcon) {
                         iconButtonClickLevel |= IconButtonClicked;
-                        if (::GetTickCount64() - iconButtonClickTime <= doubleClickTime) {
+                        if (::GetTickCount64() - iconButtonClickTime <= ::GetDoubleClickTime()) {
                             iconButtonClickLevel |= IconButtonTriggersClose;
                         }
                     }

--
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