From 6c0043c1e3d97398828fbd56448f1cd8ee201e66 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周五, 23 2月 2024 01:01:10 +0800
Subject: [PATCH] Fix bug of window closing and reshowing
---
src/core/contexts/win32windowcontext.cpp | 59 ++++++++++++++++++++++++++---------------------------------
1 files changed, 26 insertions(+), 33 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index 4a859c7..e9a6731 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -321,7 +321,7 @@
case HTBORDER:
return Win32WindowContext::FixedBorder;
default:
- // unreachable
+ Q_UNREACHABLE();
break;
}
return Win32WindowContext::Outside;
@@ -540,8 +540,8 @@
}
Win32WindowContext::~Win32WindowContext() {
- if (windowId) {
- removeManagedWindow(reinterpret_cast<HWND>(windowId));
+ if (m_windowId) {
+ removeManagedWindow(reinterpret_cast<HWND>(m_windowId));
}
}
@@ -552,19 +552,19 @@
void Win32WindowContext::virtual_hook(int id, void *data) {
switch (id) {
case RaiseWindowHook: {
- if (!windowId)
+ if (!m_windowId)
return;
m_delegate->setWindowVisible(m_host, true);
- const auto hwnd = reinterpret_cast<HWND>(windowId);
+ const auto hwnd = reinterpret_cast<HWND>(m_windowId);
bringWindowToFront(hwnd);
return;
}
case ShowSystemMenuHook: {
- if (!windowId)
+ if (!m_windowId)
return;
const auto &pos = *static_cast<const QPoint *>(data);
- auto hWnd = reinterpret_cast<HWND>(windowId);
+ auto hWnd = reinterpret_cast<HWND>(m_windowId);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
const QPoint nativeGlobalPos =
QHighDpi::toNativeGlobalPosition(pos, m_windowHandle);
@@ -588,14 +588,14 @@
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
case DrawWindows10BorderHook: {
- if (!windowId)
+ if (!m_windowId)
return;
auto args = static_cast<void **>(data);
auto &painter = *static_cast<QPainter *>(args[0]);
const auto &rect = *static_cast<const QRect *>(args[1]);
const auto ®ion = *static_cast<const QRegion *>(args[2]);
- const auto hwnd = reinterpret_cast<HWND>(windowId);
+ const auto hwnd = reinterpret_cast<HWND>(m_windowId);
QPen pen;
pen.setWidth(int(getWindowFrameBorderThickness(hwnd)) * 2);
@@ -638,7 +638,7 @@
// https://docs.microsoft.com/en-us/windows/win32/dwm/customframe#extending-the-client-frame
// Draw a black rectangle to make Windows native top border show
- auto hWnd = reinterpret_cast<HWND>(windowId);
+ auto hWnd = reinterpret_cast<HWND>(m_windowId);
HDC hdc = ::GetDC(hWnd);
RECT windowRect{};
::GetClientRect(hWnd, &windowRect);
@@ -667,7 +667,7 @@
return {};
RECT frame{};
- auto hwnd = reinterpret_cast<HWND>(windowId);
+ auto hwnd = reinterpret_cast<HWND>(m_windowId);
// According to MSDN, WS_OVERLAPPED is not allowed for AdjustWindowRect.
auto style = static_cast<DWORD>(::GetWindowLongPtrW(hwnd, GWL_STYLE) & ~WS_OVERLAPPED);
auto exStyle = static_cast<DWORD>(::GetWindowLongPtrW(hwnd, GWL_EXSTYLE));
@@ -687,28 +687,29 @@
if (key == QStringLiteral("border-thickness")) {
return m_windowHandle
- ? int(getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId)))
+ ? int(getWindowFrameBorderThickness(reinterpret_cast<HWND>(m_windowId)))
: 0;
}
return AbstractWindowContext::windowAttribute(key);
}
- void Win32WindowContext::winIdChanged() {
+ void Win32WindowContext::winIdChanged(WId winId, WId oldWinId) {
+ // Reset the context data
+ mouseLeaveBlocked = false;
+ lastHitTestResult = WindowPart::Outside;
+
// If the original window id is valid, remove all resources related
- if (windowId) {
- removeManagedWindow(reinterpret_cast<HWND>(windowId));
- windowId = 0;
+ if (oldWinId) {
+ removeManagedWindow(reinterpret_cast<HWND>(oldWinId));
}
- if (!m_windowHandle) {
+ if (!m_windowHandle || !winId) {
return;
}
// Install window hook
- auto winId = m_windowHandle->winId();
auto hWnd = reinterpret_cast<HWND>(winId);
-
if (!isSystemBorderEnabled()) {
static auto margins = QVariant::fromValue(QMargins(1, 1, 1, 1));
@@ -732,9 +733,6 @@
// Add managed window
addManagedWindow(m_windowHandle, hWnd, this);
-
- // Cache win id
- windowId = winId;
}
bool Win32WindowContext::windowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam,
@@ -744,8 +742,8 @@
// We should skip these messages otherwise we will get crashes.
// NOTE: WM_QUIT won't be posted to the WindowProc function.
switch (message) {
- case WM_CLOSE:
case WM_DESTROY:
+ case WM_CLOSE:
case WM_NCDESTROY:
// Undocumented messages:
case WM_UAHDESTROYWINDOW:
@@ -794,7 +792,7 @@
const QVariant &oldAttribute) {
Q_UNUSED(oldAttribute)
- const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
+ const auto hwnd = reinterpret_cast<HWND>(m_windowId);
const DynamicApis &apis = DynamicApis::instance();
static constexpr const MARGINS extendedMargins = {-1, -1, -1, -1};
const auto &restoreMargins = [this, &apis, hwnd]() {
@@ -1228,19 +1226,14 @@
// the above problems would not arise.
m_delegate->resetQtGrabbedControl(m_host);
+
+ // If the mouse moves from chrome buttons to other non-client areas, a
+ // WM_MOUSELEAVE message should be sent.
if (mouseLeaveBlocked) {
emulateClientAreaMessage(hWnd, message, wParam, lParam,
WM_NCMOUSELEAVE);
}
}
-
- // We need to make sure we get the right hit-test result when a WM_NCMOUSELEAVE
- // comes, so we reset it when we receive a WM_NCMOUSEMOVE.
-
- // If the mouse is entering the client area, there must be a WM_NCHITTEST
- // setting it to `Client` before the WM_NCMOUSELEAVE comes; if the mouse is
- // leaving the window, current window part remains as `Outside`.
- lastHitTestResult = WindowPart::Outside;
}
if (currentWindowPart == WindowPart::ChromeButton) {
@@ -1272,7 +1265,7 @@
// pressing area as HTCLIENT which maybe because of our former retransmission of
// WM_NCLBUTTONDOWN, as a result, a WM_NCMOUSELEAVE will come immediately and a
// lot of WM_MOUSEMOVE will come if we move the mouse, we should track the mouse
- // in advance.
+ // in advance. (May be redundant?)
if (mouseLeaveBlocked) {
mouseLeaveBlocked = false;
requestForMouseLeaveMessage(hWnd, false);
--
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