From 6002cd46a2c5a1c2c4afdbf8e491e76f68b9bfd8 Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周一, 27 5月 2024 23:21:25 +0800
Subject: [PATCH] Improve fixed width/height/size hit testing
---
src/core/contexts/win32windowcontext.cpp | 444 ++++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 321 insertions(+), 123 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index 171a348..9e4155f 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -35,6 +35,12 @@
namespace QWK {
+ enum IconButtonClickLevelFlag {
+ IconButtonClicked = 1,
+ IconButtonDoubleClicked = 2,
+ IconButtonTriggersClose = 4,
+ };
+
// The thickness of an auto-hide taskbar in pixels.
static constexpr const quint8 kAutoHideTaskBarThickness = 2;
@@ -75,6 +81,8 @@
static void setInternalWindowFrameMargins(QWindow *window, const QMargins &margins) {
const QVariant marginsVar = QVariant::fromValue(margins);
+
+ // TODO: Add comments
window->setProperty("_q_windowsCustomMargins", marginsVar);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
if (QPlatformWindow *platformWindow = window->handle()) {
@@ -118,6 +126,36 @@
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER);
}
+ static inline bool isFullScreen(HWND hwnd) {
+ RECT windowRect{};
+ ::GetWindowRect(hwnd, &windowRect);
+ // Compare to the full area of the screen, not the work area.
+ return (windowRect == getMonitorForWindow(hwnd).rcMonitor);
+ }
+
+ static inline bool isMaximized(HWND hwnd) {
+ return ::IsZoomed(hwnd);
+ }
+
+ static inline bool isMinimized(HWND hwnd) {
+ return ::IsIconic(hwnd);
+ }
+
+ static inline bool isWindowNoState(HWND hwnd) {
+#if 0
+ WINDOWPLACEMENT wp{};
+ wp.length = sizeof(wp);
+ ::GetWindowPlacement(hwnd, &wp);
+ return ((wp.showCmd == SW_NORMAL) || (wp.showCmd == SW_RESTORE));
+#else
+ if (isFullScreen(hwnd)) {
+ return false;
+ }
+ const auto style = static_cast<DWORD>(::GetWindowLongPtrW(hwnd, GWL_STYLE));
+ return (!(style & (WS_MINIMIZE | WS_MAXIMIZE)));
+#endif
+ }
+
static inline void bringWindowToFront(HWND hwnd) {
HWND oldForegroundWindow = ::GetForegroundWindow();
if (!oldForegroundWindow) {
@@ -129,7 +167,7 @@
if (!::IsWindowVisible(hwnd)) {
::ShowWindow(hwnd, SW_SHOW);
}
- if (IsMinimized(hwnd)) {
+ if (isMinimized(hwnd)) {
// Restore the window if it is minimized.
::ShowWindow(hwnd, SW_RESTORE);
// Once we've been restored, throw us on the active monitor.
@@ -164,28 +202,6 @@
::SetActiveWindow(hwnd);
// Throw us on the active monitor.
moveWindowToMonitor(hwnd, activeMonitor);
- }
-
- static inline bool isFullScreen(HWND hwnd) {
- RECT windowRect{};
- ::GetWindowRect(hwnd, &windowRect);
- // Compare to the full area of the screen, not the work area.
- return (windowRect == getMonitorForWindow(hwnd).rcMonitor);
- }
-
- static inline bool isWindowNoState(HWND hwnd) {
-#if 0
- WINDOWPLACEMENT wp{};
- wp.length = sizeof(wp);
- ::GetWindowPlacement(hwnd, &wp);
- return ((wp.showCmd == SW_NORMAL) || (wp.showCmd == SW_RESTORE));
-#else
- if (isFullScreen(hwnd)) {
- return false;
- }
- const auto style = static_cast<DWORD>(::GetWindowLongPtrW(hwnd, GWL_STYLE));
- return (!(style & (WS_MINIMIZE | WS_MAXIMIZE)));
-#endif
}
static void syncPaintEventWithDwm() {
@@ -244,7 +260,7 @@
return true;
}
- const bool maxOrFull = IsMaximized(hWnd) || isFullScreen(hWnd);
+ const bool maxOrFull = isMaximized(hWnd) || isFullScreen(hWnd);
::EnableMenuItem(hMenu, SC_CLOSE, (MF_BYCOMMAND | MFS_ENABLED));
::EnableMenuItem(hMenu, SC_MAXIMIZE,
(MF_BYCOMMAND | ((maxOrFull || fixedSize) ? MFS_DISABLED : MFS_ENABLED)));
@@ -619,6 +635,7 @@
// Try hooked procedure and save result
LRESULT result;
if (ctx->windowProc(hWnd, message, wParam, lParam, &result)) {
+ // https://github.com/stdware/qwindowkit/issues/45
// Forward the event to user-defined native event filters, there may be some messages
// that need to be processed by the user.
std::ignore =
@@ -693,12 +710,12 @@
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));
+ isHostSizeFixed());
return;
}
@@ -814,6 +831,12 @@
if (key == QStringLiteral("border-thickness")) {
return m_windowId
? int(getWindowFrameBorderThickness(reinterpret_cast<HWND>(m_windowId)))
+ : 0;
+ }
+
+ if (key == QStringLiteral("title-bar-height")) {
+ return m_windowId
+ ? int(getTitleBarHeight(reinterpret_cast<HWND>(m_windowId)))
: 0;
}
return AbstractWindowContext::windowAttribute(key);
@@ -1257,7 +1280,7 @@
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
@@ -1369,20 +1392,42 @@
// how to avoid doing this.
// ### FIXME FIXME FIXME
*result = ::DefWindowProcW(hWnd, WM_NCMOUSEMOVE, wParam, lParam);
- } else if (lastHitTestResultRaw == HTSYSMENU) {
- if (message == WM_NCLBUTTONDOWN) {
- // 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 until the menu
- // returns
- iconButtonClickTime = ::GetTickCount64();
- *result = ::DefWindowProcW(hWnd, message, wParam, lParam);
- iconButtonClickTime = 0;
- } else if (message == WM_NCLBUTTONDBLCLK) {
- // A message of WM_SYSCOMMAND with SC_CLOSE will be sent by Windows
- *result = ::DefWindowProcW(hWnd, message, wParam, lParam);
- } else {
- *result = FALSE;
+ emulateClientAreaMessage(hWnd, message, wParam, lParam);
+ return true;
+ }
+
+ if (lastHitTestResultRaw == HTSYSMENU) {
+ switch (message) {
+ case WM_NCLBUTTONDOWN:
+ 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
+ // until the menu returns
+ iconButtonClickTime = ::GetTickCount64();
+ *result = ::DefWindowProcW(hWnd, message, wParam, lParam);
+ iconButtonClickTime = 0;
+ if (iconButtonClickLevel & IconButtonTriggersClose) {
+ ::PostMessageW(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
+ }
+ if (iconButtonClickLevel & IconButtonDoubleClicked) {
+ iconButtonClickLevel = 0;
+ }
+ // Otherwise, no need to reset `iconButtonClickLevel` if not to
+ // close, if it has value, there must be another incoming
+ // WM_NCLBUTTONDOWN
+ } else {
+ iconButtonClickLevel = 0;
+ }
+ break;
+ case WM_NCLBUTTONDBLCLK:
+ // A message of WM_SYSCOMMAND with SC_CLOSE will be sent by Windows
+ *result = ::DefWindowProcW(hWnd, message, wParam, lParam);
+ break;
+ default:
+ *result = FALSE;
+ emulateClientAreaMessage(hWnd, message, wParam, lParam);
+ break;
}
} else {
// According to MSDN, we should return non-zero for X button messages to
@@ -1392,8 +1437,8 @@
(((message >= WM_NCXBUTTONDOWN) && (message <= WM_NCXBUTTONDBLCLK))
? TRUE
: FALSE);
+ emulateClientAreaMessage(hWnd, message, wParam, lParam);
}
- emulateClientAreaMessage(hWnd, message, wParam, lParam);
return true;
}
break;
@@ -1535,15 +1580,24 @@
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);
+ int frameSize = getResizeBorderThickness(hWnd);
+
+ bool isFixedWidth = isHostWidthFixed();
+ bool isFixedHeight = isHostHeightFixed();
+ bool isFixedSize = isHostSizeFixed();
+ bool isInLeftBorder = nativeLocalPos.x <= frameSize;
+ bool isInTopBorder = nativeLocalPos.y <= frameSize;
+ bool isInRightBorder = nativeLocalPos.x > clientWidth - frameSize;
+ bool isInBottomBorder = nativeLocalPos.y > clientHeight - frameSize;
+ bool isInTitleBar = isInTitleBarDraggableArea(qtScenePos);
+ WindowAgentBase::SystemButton sysButtonType = WindowAgentBase::Unknown;
+ bool isInCaptionButtons = isInSystemButtons(qtScenePos, &sysButtonType);
bool dontOverrideCursor = false; // ### TODO
- WindowAgentBase::SystemButton sysButtonType = WindowAgentBase::Unknown;
- if (!isFixedSize && isInSystemButtons(qtScenePos, &sysButtonType)) {
+ if (isInCaptionButtons) {
// Firstly, we set the hit test result to a default value to be able to detect
// whether we have changed it or not afterwards.
*result = HTNOWHERE;
@@ -1553,29 +1607,41 @@
// window is not maximized/fullscreen/minimized, of course).
if (isWindowNoState(hWnd)) {
static constexpr const quint8 kBorderSize = 2;
- bool isTop = (nativeLocalPos.y <= kBorderSize);
+ bool isTop = nativeLocalPos.y <= kBorderSize;
bool isLeft = nativeLocalPos.x <= kBorderSize;
- bool isRight = (nativeLocalPos.x >= (clientWidth - kBorderSize));
+ bool isRight = nativeLocalPos.x > clientWidth - kBorderSize;
if (isTop || isLeft || isRight) {
- if (dontOverrideCursor) {
+ if (isFixedSize || dontOverrideCursor) {
// The user doesn't want the window to be resized, so we tell
// Windows we are in the client area so that the controls beneath
// the mouse cursor can still be hovered or clicked.
- *result = (isTitleBar ? HTCAPTION : HTCLIENT);
+ *result = isInTitleBar ? HTCAPTION : HTCLIENT;
} else {
if (isTop) {
if (isLeft) {
- *result = HTTOPLEFT;
+ if (isFixedWidth) {
+ *result = HTTOP;
+ } else if (isFixedHeight) {
+ *result = HTLEFT;
+ } else {
+ *result = HTTOPLEFT;
+ }
} else if (isRight) {
- *result = HTTOPRIGHT;
+ if (isFixedWidth) {
+ *result = HTTOP;
+ } else if (isFixedHeight) {
+ *result = HTRIGHT;
+ } else {
+ *result = HTTOPRIGHT;
+ }
} else {
- *result = HTTOP;
+ *result = isFixedHeight ? HTBORDER : HTTOP;
}
} else {
- if (isLeft) {
- *result = HTLEFT;
+ if (isFixedWidth) {
+ *result = HTBORDER;
} else {
- *result = HTRIGHT;
+ *result = isLeft ? HTLEFT : HTRIGHT;
}
}
}
@@ -1617,10 +1683,8 @@
// OK, we are not inside any chrome buttons, try to find out which part of the
// window are we hitting.
- bool max = IsMaximized(hWnd);
+ bool max = isMaximized(hWnd);
bool full = isFullScreen(hWnd);
- int frameSize = getResizeBorderThickness(hWnd);
- bool isTop = (nativeLocalPos.y < frameSize);
if (isSystemBorderEnabled()) {
// This will handle the left, right and bottom parts of the frame
@@ -1632,8 +1696,48 @@
// outside the window, that is, the three transparent window resize area.
// Returning HTCLIENT will confuse Windows, we can't put our controls there
// anyway.
- *result = ((isFixedSize || dontOverrideCursor) ? HTBORDER
- : originalHitTestResult);
+ *result = HTNOWHERE; // Make sure we can know we don't set any value explicitly later.
+ if (originalHitTestResult == HTCAPTION) {
+ } else if (isFixedSize || dontOverrideCursor) {
+ *result = HTBORDER;
+ } else if (isFixedWidth || isFixedHeight) {
+ if (originalHitTestResult == HTTOPLEFT) {
+ if (isFixedWidth) {
+ *result = HTTOP;
+ } else {
+ *result = HTLEFT;
+ }
+ } else if (originalHitTestResult == HTTOPRIGHT) {
+ if (isFixedWidth) {
+ *result = HTTOP;
+ } else {
+ *result = HTRIGHT;
+ }
+ } else if (originalHitTestResult == HTBOTTOMRIGHT) {
+ if (isFixedWidth) {
+ *result = HTBOTTOM;
+ } else {
+ *result = HTRIGHT;
+ }
+ } else if (originalHitTestResult == HTBOTTOMLEFT) {
+ if (isFixedWidth) {
+ *result = HTBOTTOM;
+ } else {
+ *result = HTLEFT;
+ }
+ } else if (originalHitTestResult == HTLEFT || originalHitTestResult == HTRIGHT) {
+ if (isFixedWidth) {
+ *result = HTBORDER;
+ }
+ } else if (originalHitTestResult == HTTOP || originalHitTestResult == HTBOTTOM) {
+ if (isFixedHeight) {
+ *result = HTBORDER;
+ }
+ }
+ }
+ if (*result == HTNOWHERE) {
+ *result = originalHitTestResult;
+ }
return true;
}
if (full) {
@@ -1641,7 +1745,7 @@
return true;
}
if (max) {
- *result = (isTitleBar ? HTCAPTION : HTCLIENT);
+ *result = isInTitleBar ? HTCAPTION : HTCLIENT;
return true;
}
// At this point, we know that the cursor is inside the client area,
@@ -1649,16 +1753,24 @@
// title bar or the drag bar. Apparently, it must be the drag bar or
// the little border at the top which the user can use to move or
// resize the window.
- if (isTop) {
+ if (isInTopBorder) {
// Return HTCLIENT instead of HTBORDER here, because the mouse is
// inside our homemade title bar now, return HTCLIENT to let our
// title bar can still capture mouse events.
- *result = ((isFixedSize || dontOverrideCursor)
- ? (isTitleBar ? HTCAPTION : HTCLIENT)
- : HTTOP);
+ *result = [&]() {
+ if (isFixedSize || isFixedHeight || dontOverrideCursor || (isFixedWidth && (isInLeftBorder || isInRightBorder))) {
+ if (isInTitleBar) {
+ return HTCAPTION;
+ } else {
+ return HTCLIENT;
+ }
+ } else {
+ return HTTOP;
+ }
+ }();
return true;
}
- if (isTitleBar) {
+ if (isInTitleBar) {
*result = HTCAPTION;
return true;
}
@@ -1669,58 +1781,86 @@
*result = HTCLIENT;
return true;
}
- if (max) {
- *result = (isTitleBar ? HTCAPTION : HTCLIENT);
+ if (max || isFixedSize || dontOverrideCursor) {
+ *result = isInTitleBar ? HTCAPTION : HTCLIENT;
return true;
}
- if (!isFixedSize) {
- const bool isBottom = (nativeLocalPos.y >= (clientHeight - frameSize));
- // Make the border a little wider to let the user easy to resize on corners.
- const auto scaleFactor = ((isTop || isBottom) ? qreal(2) : qreal(1));
- const int scaledFrameSize = std::round(qreal(frameSize) * scaleFactor);
- const bool isLeft = (nativeLocalPos.x < scaledFrameSize);
- const bool isRight = (nativeLocalPos.x >= (clientWidth - scaledFrameSize));
- if (dontOverrideCursor && (isTop || isBottom || isLeft || isRight)) {
- // Return HTCLIENT instead of HTBORDER here, because the mouse is
- // inside the window now, return HTCLIENT to let the controls
- // inside our window can still capture mouse events.
- *result = (isTitleBar ? HTCAPTION : HTCLIENT);
- return true;
+ if (isFixedWidth || isFixedHeight) {
+ if (isInLeftBorder && isInTopBorder) {
+ if (isFixedWidth) {
+ *result = HTTOP;
+ } else {
+ *result = HTLEFT;
+ }
+ } else if (isInRightBorder && isInTopBorder) {
+ if (isFixedWidth) {
+ *result = HTTOP;
+ } else {
+ *result = HTRIGHT;
+ }
+ } else if (isInRightBorder && isInBottomBorder) {
+ if (isFixedWidth) {
+ *result = HTBOTTOM;
+ } else {
+ *result = HTRIGHT;
+ }
+ } else if (isInLeftBorder && isInBottomBorder) {
+ if (isFixedWidth) {
+ *result = HTBOTTOM;
+ } else {
+ *result = HTLEFT;
+ }
+ } else if (isInLeftBorder || isInRightBorder) {
+ if (isFixedWidth) {
+ *result = HTCLIENT;
+ } else {
+ *result = isInLeftBorder ? HTLEFT : HTRIGHT;
+ }
+ } else if (isInTopBorder || isInBottomBorder) {
+ if (isFixedHeight) {
+ *result = HTCLIENT;
+ } else {
+ *result = isInTopBorder ? HTTOP : HTBOTTOM;
+ }
+ } else {
+ *result = HTCLIENT;
}
- if (isTop) {
- if (isLeft) {
+ return true;
+ } else {
+ if (isInTopBorder) {
+ if (isInLeftBorder) {
*result = HTTOPLEFT;
return true;
}
- if (isRight) {
+ if (isInRightBorder) {
*result = HTTOPRIGHT;
return true;
}
*result = HTTOP;
return true;
}
- if (isBottom) {
- if (isLeft) {
+ if (isInBottomBorder) {
+ if (isInLeftBorder) {
*result = HTBOTTOMLEFT;
return true;
}
- if (isRight) {
+ if (isInRightBorder) {
*result = HTBOTTOMRIGHT;
return true;
}
*result = HTBOTTOM;
return true;
}
- if (isLeft) {
+ if (isInLeftBorder) {
*result = HTLEFT;
return true;
}
- if (isRight) {
+ if (isInRightBorder) {
*result = HTRIGHT;
return true;
}
}
- if (isTitleBar) {
+ if (isInTitleBar) {
*result = HTCAPTION;
return true;
}
@@ -1913,9 +2053,9 @@
// that's also how most applications customize their title bars on Windows. It's
// totally OK but since we want to preserve as much original frame as possible,
// we can't use that solution.
- const LRESULT hitTestResult = ::DefWindowProcW(hWnd, WM_NCCALCSIZE, wParam, lParam);
- if ((hitTestResult != HTERROR) && (hitTestResult != HTNOWHERE)) {
- *result = hitTestResult;
+ const LRESULT originalResult = ::DefWindowProcW(hWnd, WM_NCCALCSIZE, wParam, lParam);
+ if (originalResult != 0) {
+ *result = originalResult;
return true;
}
// Re-apply the original top from before the size of the default frame was
@@ -1929,7 +2069,7 @@
clientRect->top = originalTop;
}
- const bool max = IsMaximized(hWnd);
+ const bool max = isMaximized(hWnd);
const bool full = isFullScreen(hWnd);
// We don't need this correction when we're fullscreen. We will
// have the WS_POPUP size, so we don't have to worry about
@@ -2044,7 +2184,7 @@
return {GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)};
};
const auto getNativeGlobalPosFromKeyboard = [hWnd]() -> POINT {
- const bool maxOrFull = IsMaximized(hWnd) || isFullScreen(hWnd);
+ const bool maxOrFull = isMaximized(hWnd) || isFullScreen(hWnd);
const quint32 frameSize = getResizeBorderThickness(hWnd);
const quint32 horizontalOffset =
((maxOrFull || !isSystemBorderEnabled()) ? 0 : frameSize);
@@ -2076,9 +2216,12 @@
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);
@@ -2126,29 +2269,84 @@
break;
}
if (shouldShowSystemMenu) {
- bool triggeredByIconButton = iconButtonClickTime > 0;
- if (triggeredByIconButton) {
- // TODO: Adjust `nativeGlobalPos` to (0, realTitleBarHeight)
- // hint: use m_delgegate->mapGeometryToScene
- }
- bool res = showSystemMenu_sys(hWnd, nativeGlobalPos, broughtByKeyboard,
- m_delegate->isHostSizeFixed(m_host));
+ static HHOOK mouseHook = nullptr;
+ static std::optional<POINT> mouseClickPos;
+ static bool mouseDoubleClicked = false;
+ bool mouseHookedLocal = false;
- // Emulate the Windows SYSMENU button's behavior
- static uint32_t doubleClickTime = ::GetDoubleClickTime();
- if (triggeredByIconButton && !res &&
- ::GetTickCount64() - iconButtonClickTime <= doubleClickTime) {
- POINT nativeGlobalPos;
- ::GetCursorPos(&nativeGlobalPos);
- POINT nativeLocalPos = nativeGlobalPos;
- ::ScreenToClient(hWnd, &nativeLocalPos);
- QPoint qtScenePos =
- QHighDpi::fromNativeLocalPosition(point2qpoint(nativeLocalPos), m_windowHandle);
- WindowAgentBase::SystemButton sysButtonType = WindowAgentBase::Unknown;
- if (isInSystemButtons(qtScenePos, &sysButtonType) &&
- sysButtonType == WindowAgentBase::WindowIcon) {
- ::PostMessageW(hWnd, WM_SYSCOMMAND, SC_CLOSE, 0);
+ // 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()) {
+ auto titleBarHeight = qreal(m_delegate->mapGeometryToScene(tb).height());
+ titleBarHeight *= m_windowHandle->devicePixelRatio();
+ menuPos.y = qRound(titleBarHeight);
}
+ ::ClientToScreen(hWnd, &menuPos);
+ nativeGlobalPos = menuPos;
+
+ // Install mouse hook
+ if (!mouseHook) {
+ mouseHook = ::SetWindowsHookExW(
+ WH_MOUSE,
+ [](int nCode, WPARAM wParam, LPARAM lParam) {
+ if (nCode >= 0) {
+ 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;
+ }
+ default:
+ break;
+ }
+ }
+ return ::CallNextHookEx(nullptr, nCode, wParam, lParam);
+ },
+ nullptr, ::GetCurrentThreadId());
+ mouseHookedLocal = true;
+ }
+ }
+
+ bool res =
+ showSystemMenu_sys(hWnd, nativeGlobalPos, broughtByKeyboard, isHostSizeFixed());
+
+ // Uninstall mouse hook and check if it's a double-click
+ if (mouseHookedLocal) {
+ ::UnhookWindowsHookEx(mouseHook);
+
+ // Emulate the Windows icon button's behavior
+ if (!res && mouseClickPos.has_value()) {
+ POINT nativeLocalPos = mouseClickPos.value();
+ ::ScreenToClient(hWnd, &nativeLocalPos);
+ QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(
+ point2qpoint(nativeLocalPos), m_windowHandle.data());
+ WindowAgentBase::SystemButton sysButtonType = WindowAgentBase::Unknown;
+ if (isInSystemButtons(qtScenePos, &sysButtonType) &&
+ sysButtonType == WindowAgentBase::WindowIcon) {
+ iconButtonClickLevel |= IconButtonClicked;
+ if (::GetTickCount64() - iconButtonClickTime <= ::GetDoubleClickTime()) {
+ iconButtonClickLevel |= IconButtonTriggersClose;
+ }
+ }
+ }
+
+ if (mouseDoubleClicked) {
+ iconButtonClickLevel |= IconButtonDoubleClicked;
+ }
+
+ mouseHook = nullptr;
+ mouseClickPos.reset();
+ mouseDoubleClicked = false;
}
// QPA's internal code will handle system menu events separately, and its
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