Sine Striker
2024-05-08 2d223770ee33ddf7d93d83bc2cb538bfd66d38d9
src/core/contexts/win32windowcontext.cpp
@@ -1376,7 +1376,7 @@
                    if (lastHitTestResultRaw == HTSYSMENU) {
                        switch (message) {
                            case WM_NCLBUTTONDOWN:
                                if (iconButtonClickTime == 0) {
                                if (iconButtonClickLevel == 0) {
                                    // A message of WM_SYSCOMMAND with SC_MOUSEMENU will be sent by
                                    // Windows, and the current control flow will be blocked by the
                                    // menu while Windows will create and execute a new event loop
@@ -1384,10 +1384,13 @@
                                    iconButtonClickTime = ::GetTickCount64();
                                    *result =
                                        ::DefWindowProcW(hWnd, WM_NCLBUTTONDOWN, wParam, lParam);
                                    iconButtonClickTime = 0;
                                    if (iconButtonClickLevel == 2) {
                                        ::PostMessageW(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
                                    }
                                    // No need to reset `iconButtonClickLevel`, if it has value,
                                    // there must be another incoming WM_NCLBUTTONDOWN
                                } else {
                                    *result = FALSE;
                                    emulateClientAreaMessage(hWnd, message, wParam, lParam);
                                    iconButtonClickLevel = 0;
                                }
                                break;
                            case WM_NCLBUTTONDBLCLK:
@@ -2144,6 +2147,8 @@
            static HHOOK mouseHook = nullptr;
            static std::optional<POINT> mouseClickPos;
            bool mouseHookedLocal = false;
            // The menu is triggered by a click on icon button
            if (iconButtonClickTime > 0) {
                POINT menuPos{0, static_cast<LONG>(getTitleBarHeight(hWnd))};
                if (const auto tb = titleBar()) {
@@ -2173,6 +2178,7 @@
                    mouseHookedLocal = true;
                }
            }
            bool res = showSystemMenu_sys(hWnd, nativeGlobalPos, broughtByKeyboard,
                                          m_delegate->isHostSizeFixed(m_host));
@@ -2182,8 +2188,7 @@
                // Emulate the Windows icon button's behavior
                static uint32_t doubleClickTime = ::GetDoubleClickTime();
                if (!res && mouseClickPos.has_value() &&
                    ::GetTickCount64() - iconButtonClickTime <= doubleClickTime) {
                if (!res && mouseClickPos.has_value()) {
                    POINT nativeLocalPos = mouseClickPos.value();
                    ::ScreenToClient(hWnd, &nativeLocalPos);
                    QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(
@@ -2191,7 +2196,10 @@
                    WindowAgentBase::SystemButton sysButtonType = WindowAgentBase::Unknown;
                    if (isInSystemButtons(qtScenePos, &sysButtonType) &&
                        sysButtonType == WindowAgentBase::WindowIcon) {
                        ::PostMessageW(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
                        iconButtonClickLevel = 1;
                        if (::GetTickCount64() - iconButtonClickTime <= doubleClickTime) {
                            iconButtonClickLevel = 2;
                        }
                    }
                }