From d3d7430ec9afb94abaf78fa2c9edd9d9f946881c Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周一, 18 12月 2023 01:29:07 +0800
Subject: [PATCH] Add QtContext WinIdChange workaround
---
src/core/contexts/win32windowcontext.cpp | 90 ++++++++++++++++++++++++++++----------------
1 files changed, 57 insertions(+), 33 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index f116050..cda9058 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -420,8 +420,10 @@
const auto monitorInfo = getMonitorForWindow(hwnd);
RECT windowRect{};
::GetWindowRect(hwnd, &windowRect);
- const auto newX = monitorInfo.rcMonitor.left + (RECT_WIDTH(monitorInfo.rcMonitor) - RECT_WIDTH(windowRect)) / 2;
- const auto newY = monitorInfo.rcMonitor.top + (RECT_HEIGHT(monitorInfo.rcMonitor) - RECT_HEIGHT(windowRect)) / 2;
+ const auto newX = monitorInfo.rcMonitor.left +
+ (RECT_WIDTH(monitorInfo.rcMonitor) - RECT_WIDTH(windowRect)) / 2;
+ const auto newY = monitorInfo.rcMonitor.top +
+ (RECT_HEIGHT(monitorInfo.rcMonitor) - RECT_HEIGHT(windowRect)) / 2;
::SetWindowPos(hwnd, nullptr, newX, newY, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER);
}
@@ -762,18 +764,39 @@
return ::CallWindowProcW(g_qtWindowProc, hWnd, message, wParam, lParam);
}
+ static inline void addManagedWindow(HWND hWnd, Win32WindowContext *ctx) {
+ // Store original window proc
+ if (!g_qtWindowProc) {
+ g_qtWindowProc = reinterpret_cast<WNDPROC>(::GetWindowLongPtrW(hWnd, GWLP_WNDPROC));
+ }
+
+ // Hook window proc
+ ::SetWindowLongPtrW(hWnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(QWKHookedWndProc));
+
+ // Install global native event filter
+ WindowsNativeEventFilter::install();
+
+ // Save window handle mapping
+ g_wndProcHash->insert(hWnd, ctx);
+ }
+
+ static inline void removeManagedWindow(HWND hWnd) {
+ // Remove window handle mapping
+ if (!g_wndProcHash->remove(hWnd))
+ return;
+
+ // Remove event filter if the all windows has been destroyed
+ if (g_wndProcHash->empty()) {
+ WindowsNativeEventFilter::uninstall();
+ }
+ }
+
Win32WindowContext::Win32WindowContext() : AbstractWindowContext() {
}
Win32WindowContext::~Win32WindowContext() {
- // Remove window handle mapping
- if (auto hWnd = reinterpret_cast<HWND>(windowId); hWnd) {
- g_wndProcHash->remove(hWnd);
-
- // Remove event filter if the all windows has been destroyed
- if (g_wndProcHash->empty()) {
- WindowsNativeEventFilter::uninstall();
- }
+ if (windowId) {
+ removeManagedWindow(reinterpret_cast<HWND>(windowId));
}
}
@@ -784,16 +807,17 @@
void Win32WindowContext::virtual_hook(int id, void *data) {
switch (id) {
case CentralizeHook: {
- const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
+ const auto hwnd = reinterpret_cast<HWND>(windowId);
moveToDesktopCenter(hwnd);
return;
}
case ShowSystemMenuHook: {
const auto &pos = *static_cast<const QPoint *>(data);
- auto hWnd = reinterpret_cast<HWND>(m_windowHandle->winId());
+ auto hWnd = reinterpret_cast<HWND>(windowId);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
- const QPoint nativeGlobalPos = QHighDpi::toNativeGlobalPosition(pos, m_windowHandle);
+ const QPoint nativeGlobalPos =
+ QHighDpi::toNativeGlobalPosition(pos, m_windowHandle);
#else
const QPoint nativeGlobalPos = QHighDpi::toNativePixels(pos, m_windowHandle);
#endif
@@ -817,7 +841,7 @@
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>(m_windowHandle->winId());
+ const auto hwnd = reinterpret_cast<HWND>(windowId);
QPen pen;
pen.setWidth(getWindowFrameBorderThickness(hwnd) * 2);
@@ -868,13 +892,24 @@
return getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId));
}
- bool Win32WindowContext::setupHost() {
+ void Win32WindowContext::winIdChanged(QWindow *oldWindow) {
+ if (oldWindow) {
+ removeManagedWindow(reinterpret_cast<HWND>(windowId));
+ }
+
+ if (!m_windowHandle) {
+ return;
+ }
+
// Install window hook
auto winId = m_windowHandle->winId();
auto hWnd = reinterpret_cast<HWND>(winId);
#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
- for (const auto attr : { _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1, _DWMWA_USE_IMMERSIVE_DARK_MODE }) {
+ for (const auto attr : {
+ _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
+ _DWMWA_USE_IMMERSIVE_DARK_MODE,
+ }) {
const BOOL enable = TRUE;
DynamicApis::instance().pDwmSetWindowAttribute(hWnd, attr, &enable, sizeof(enable));
}
@@ -883,24 +918,11 @@
// Inform Qt we want and have set custom margins
updateInternalWindowFrameMargins(hWnd, m_windowHandle);
- // Store original window proc
- if (!g_qtWindowProc) {
- g_qtWindowProc = reinterpret_cast<WNDPROC>(::GetWindowLongPtrW(hWnd, GWLP_WNDPROC));
- }
+ // Add managed window
+ addManagedWindow(hWnd, this);
- // Hook window proc
- ::SetWindowLongPtrW(hWnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(QWKHookedWndProc));
-
- // Install global native event filter
- WindowsNativeEventFilter::install();
-
- // Cache window ID
+ // Cache win id
windowId = winId;
-
- // Save window handle mapping
- g_wndProcHash->insert(hWnd, this);
-
- return true;
}
bool Win32WindowContext::windowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam,
@@ -1548,8 +1570,10 @@
// the client area as a whole will shift to the left, which looks very abnormal if
// we don't repaint it. This exception disappears if we add SWP_NOCOPYBITS flag.
// But I don't know what caused the problem, or why this would solve it.
+ static constexpr const auto kBadWindowPosFlag =
+ SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED;
const auto windowPos = reinterpret_cast<LPWINDOWPOS>(lParam);
- if ((windowPos->flags & SWP_FRAMECHANGED) && (windowPos->flags & SWP_NOSIZE)) {
+ if (windowPos->flags == kBadWindowPosFlag) {
windowPos->flags |= SWP_NOCOPYBITS;
}
break;
--
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