From 6b2d31247dc2c2804e571b31a71c8a423c1db9d4 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周二, 26 12月 2023 01:44:03 +0800
Subject: [PATCH] Totally fix top border issue on Win10 for QtWidgets
---
src/core/contexts/win32windowcontext.cpp | 331 ++++++++++++++++++++++++++++++------------------------
1 files changed, 184 insertions(+), 147 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index 4ea0b5a..bf25bdb 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -5,6 +5,7 @@
#include <QtCore/QHash>
#include <QtCore/QScopeGuard>
#include <QtCore/QTimer>
+#include <QtCore/QDateTime>
#include <QtGui/QGuiApplication>
#include <QtGui/QPainter>
#include <QtGui/QPalette>
@@ -26,10 +27,6 @@
#include "qwkglobal_p.h"
#include "qwkwindowsextra_p.h"
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-Q_DECLARE_METATYPE(QMargins)
-#endif
-
namespace QWK {
// The thickness of an auto-hide taskbar in pixels.
@@ -49,59 +46,25 @@
// Original Qt window proc function
static WNDPROC g_qtWindowProc = nullptr;
+ static inline bool
+#if !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+ constexpr
+#endif
+
+ isSystemBorderEnabled() {
+ return
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+ isWin10OrGreater()
+#else
+ false
+#endif
+ ;
+ }
+
static inline void triggerFrameChange(HWND hwnd) {
::SetWindowPos(hwnd, nullptr, 0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER |
SWP_FRAMECHANGED);
- }
-
- static inline quint32 getDpiForWindow(HWND hwnd) {
- const DynamicApis &apis = DynamicApis::instance();
- if (apis.pGetDpiForWindow) { // Win10
- return apis.pGetDpiForWindow(hwnd);
- } else if (apis.pGetDpiForMonitor) { // Win8.1
- HMONITOR monitor = ::MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
- UINT dpiX{0};
- UINT dpiY{0};
- apis.pGetDpiForMonitor(monitor, MDT_EFFECTIVE_DPI, &dpiX, &dpiY);
- return dpiX;
- } else { // Win2K
- HDC hdc = ::GetDC(nullptr);
- const int dpiX = ::GetDeviceCaps(hdc, LOGPIXELSX);
- // const int dpiY = ::GetDeviceCaps(hdc, LOGPIXELSY);
- ::ReleaseDC(nullptr, hdc);
- return quint32(dpiX);
- }
- }
-
- static inline quint32 getSystemMetricsForDpi(int index, quint32 dpi) {
- const DynamicApis &apis = DynamicApis::instance();
- if (apis.pGetSystemMetricsForDpi) {
- return ::GetSystemMetricsForDpi(index, dpi);
- }
- return ::GetSystemMetrics(index);
- }
-
- static inline quint32 getWindowFrameBorderThickness(HWND hwnd) {
- const DynamicApis &apis = DynamicApis::instance();
- if (UINT result = 0; SUCCEEDED(apis.pDwmGetWindowAttribute(
- hwnd, _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS, &result, sizeof(result)))) {
- return result;
- }
- return getSystemMetricsForDpi(SM_CXBORDER, getDpiForWindow(hwnd));
- }
-
- static inline quint32 getResizeBorderThickness(HWND hwnd) {
- const quint32 dpi = getDpiForWindow(hwnd);
- return getSystemMetricsForDpi(SM_CXSIZEFRAME, dpi) +
- getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
- }
-
- static inline quint32 getTitleBarHeight(HWND hwnd) {
- const quint32 dpi = getDpiForWindow(hwnd);
- return getSystemMetricsForDpi(SM_CYCAPTION, dpi) +
- getSystemMetricsForDpi(SM_CXSIZEFRAME, dpi) +
- getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
}
static void setInternalWindowFrameMargins(QWindow *window, const QMargins &margins) {
@@ -548,7 +511,7 @@
static inline void addManagedWindow(QWindow *window, HWND hWnd, Win32WindowContext *ctx) {
const auto margins = [hWnd]() -> QMargins {
const auto titleBarHeight = int(getTitleBarHeight(hWnd));
- if (isWin10OrGreater()) {
+ if (isSystemBorderEnabled()) {
return {0, -titleBarHeight, 0, 0};
} else {
const auto frameSize = int(getResizeBorderThickness(hWnd));
@@ -643,6 +606,7 @@
}
case DrawWindows10BorderHook: {
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
if (!windowId)
return;
@@ -653,7 +617,7 @@
const auto hwnd = reinterpret_cast<HWND>(windowId);
QPen pen;
- pen.setWidth(getWindowFrameBorderThickness(hwnd) * 2);
+ pen.setWidth(int(getWindowFrameBorderThickness(hwnd)) * 2);
const bool dark = isDarkThemeActive() && isDarkWindowFrameEnabled(hwnd);
if (m_delegate->isWindowActive(m_host)) {
@@ -673,7 +637,7 @@
}
painter.save();
- // We needs anti-aliasing to give us better result.
+ // We need antialiasing to give us better result.
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(pen);
@@ -682,6 +646,33 @@
QPoint{m_windowHandle->width(), 0}
});
painter.restore();
+#endif
+ return;
+ }
+
+ case DrawWindows10BorderHook2: {
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+ if (!m_windowHandle)
+ return;
+
+ // https://github.com/microsoft/terminal/blob/71a6f26e6ece656084e87de1a528c4a8072eeabd/src/cascadia/WindowsTerminal/NonClientIslandWindow.cpp#L1025
+ // 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);
+ HDC hdc = ::GetDC(hWnd);
+ RECT windowRect{};
+ ::GetClientRect(hWnd, &windowRect);
+ RECT rcTopBorder = {
+ 0,
+ 0,
+ RECT_WIDTH(windowRect),
+ int(getWindowFrameBorderThickness(hWnd)),
+ };
+ ::FillRect(hdc, &rcTopBorder,
+ reinterpret_cast<HBRUSH>(::GetStockObject(BLACK_BRUSH)));
+ ::ReleaseDC(hWnd, hdc);
+#endif
return;
}
@@ -691,12 +682,29 @@
AbstractWindowContext::virtual_hook(id, data);
}
- bool Win32WindowContext::needBorderPainter() const {
- return isWin10OrGreater() && !isWin11OrGreater();
- }
+ QVariant Win32WindowContext::windowAttribute(const QString &key) const {
+ if (key == QStringLiteral("title-bar-rect")) {
+ if (!m_windowHandle)
+ return {};
- int Win32WindowContext::borderThickness() const {
- return getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId));
+ auto hwnd = reinterpret_cast<HWND>(windowId);
+ RECT frame{};
+ ::AdjustWindowRectExForDpi(&frame, ::GetWindowLongPtrW(hwnd, GWL_STYLE), FALSE, 0,
+ getDpiForWindow(hwnd));
+ return QVariant::fromValue(rect2qrect(frame));
+ }
+
+ if (key == QStringLiteral("win10-border-needed")) {
+ return isSystemBorderEnabled() && !isWin11OrGreater();
+ }
+
+ if (key == QStringLiteral("border-thickness")) {
+ return m_windowHandle
+ ? int(getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId)))
+ : 0;
+ }
+
+ return AbstractWindowContext::windowAttribute(key);
}
void Win32WindowContext::winIdChanged() {
@@ -714,30 +722,20 @@
auto winId = m_windowHandle->winId();
auto hWnd = reinterpret_cast<HWND>(winId);
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
- if (!isWin10OrGreater())
-#endif
- {
- static constexpr const MARGINS margins = {1, 1, 1, 1};
- DynamicApis::instance().pDwmExtendFrameIntoClientArea(hWnd, &margins);
+ if (!isSystemBorderEnabled()) {
+ setWindowAttribute(QStringLiteral("extra-margins"),
+ QVariant::fromValue(QMargins(1, 1, 1, 1)));
}
-#if !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
{
auto style = ::GetWindowLongPtrW(hWnd, GWL_STYLE);
- ::SetWindowLongPtrW(hWnd, GWL_STYLE, style | WS_THICKFRAME | WS_CAPTION);
- }
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
+ ::SetWindowLongPtrW(hWnd, GWL_STYLE, style & (~WS_SYSMENU));
+#else
+ ::SetWindowLongPtrW(hWnd, GWL_STYLE,
+ (style | WS_THICKFRAME | WS_CAPTION) & (~WS_SYSMENU));
#endif
-
-#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,
- }) {
- const BOOL enable = TRUE;
- DynamicApis::instance().pDwmSetWindowAttribute(hWnd, attr, &enable, sizeof(enable));
}
-#endif
// Add managed window
addManagedWindow(m_windowHandle, hWnd, this);
@@ -791,7 +789,7 @@
msg.wParam = wParam;
msg.lParam = lParam;
QT_NATIVE_EVENT_RESULT_TYPE res = 0;
- if (dispatch(QByteArrayLiteral("windows_generic_MSG"), &msg, &res)) {
+ if (nativeDispatch(QByteArrayLiteral("windows_generic_MSG"), &msg, &res)) {
*result = LRESULT(res);
return true;
}
@@ -801,11 +799,46 @@
bool Win32WindowContext::windowAttributeChanged(const QString &key, const QVariant &attribute,
const QVariant &oldAttribute) {
+ Q_UNUSED(oldAttribute)
+
const auto hwnd = reinterpret_cast<HWND>(m_windowHandle->winId());
const DynamicApis &apis = DynamicApis::instance();
- static constexpr const MARGINS extendMargins = {-1, -1, -1, -1};
- static const auto defaultMargins =
- isWin10OrGreater() ? MARGINS{0, 0, 0, 0} : MARGINS{1, 1, 1, 1};
+ static constexpr const MARGINS extendedMargins = {-1, -1, -1, -1};
+ const auto &restoreMargins = [this, &apis, hwnd]() {
+ auto margins = qmargins2margins(
+ m_windowAttributes.value(QStringLiteral("extra-margins")).value<QMargins>());
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ };
+
+ if (key == QStringLiteral("extra-margins")) {
+ auto margins = qmargins2margins(attribute.value<QMargins>());
+ DynamicApis::instance().pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ return true;
+ }
+
+ if (key == QStringLiteral("dark-mode")) {
+ if (!isWin101809OrGreater()) {
+ return false;
+ }
+
+ BOOL enable = attribute.toBool();
+ if (isWin101903OrGreater()) {
+ apis.pSetPreferredAppMode(enable ? PAM_AUTO : PAM_DEFAULT);
+ } else {
+ apis.pAllowDarkModeForApp(enable);
+ }
+ for (const auto attr : {
+ _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
+ _DWMWA_USE_IMMERSIVE_DARK_MODE,
+ }) {
+ apis.pDwmSetWindowAttribute(hwnd, attr, &enable, sizeof(enable));
+ }
+
+ apis.pFlushMenuThemes();
+ return true;
+ }
+
+ // For Win11 or later
if (key == QStringLiteral("mica")) {
if (!isWin11OrGreater()) {
return false;
@@ -813,7 +846,7 @@
if (attribute.toBool()) {
// We need to extend the window frame into the whole client area to be able
// to see the blurred window background.
- apis.pDwmExtendFrameIntoClientArea(hwnd, &extendMargins);
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &extendedMargins);
if (isWin1122H2OrGreater()) {
// Use official DWM API to enable Mica, available since Windows 11 22H2
// (10.0.22621).
@@ -835,17 +868,19 @@
const BOOL enable = FALSE;
apis.pDwmSetWindowAttribute(hwnd, _DWMWA_MICA_EFFECT, &enable, sizeof(enable));
}
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
+ restoreMargins();
}
return true;
- } else if (key == QStringLiteral("mica-alt")) {
+ }
+
+ if (key == QStringLiteral("mica-alt")) {
if (!isWin1122H2OrGreater()) {
return false;
}
if (attribute.toBool()) {
// We need to extend the window frame into the whole client area to be able
// to see the blurred window background.
- apis.pDwmExtendFrameIntoClientArea(hwnd, &extendMargins);
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &extendedMargins);
// Use official DWM API to enable Mica Alt, available since Windows 11 22H2
// (10.0.22621).
const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_TABBEDWINDOW;
@@ -855,60 +890,65 @@
const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_AUTO;
apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
sizeof(backdropType));
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
+ restoreMargins();
}
return true;
- } else if (key == QStringLiteral("acrylic-material")) {
- if (!isWin10OrGreater()) {
+ }
+
+ if (key == QStringLiteral("acrylic-material")) {
+ if (!isWin11OrGreater()) {
return false;
}
- if (attribute.userType() == QMetaType::QColor) {
- // We need to extend the window frame into the whole client area to be able
- // to see the blurred window background.
- apis.pDwmExtendFrameIntoClientArea(hwnd, &extendMargins);
- if (isWin11OrGreater()) {
- const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_TRANSIENTWINDOW;
- apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
- sizeof(backdropType));
- } else {
- auto gradientColor = attribute.value<QColor>();
-
- ACCENT_POLICY policy{};
- policy.dwAccentState = ACCENT_ENABLE_ACRYLICBLURBEHIND;
- policy.dwAccentFlags = ACCENT_ENABLE_ACRYLIC_WITH_LUMINOSITY;
- // This API expects the #AABBGGRR format.
- policy.dwGradientColor =
- DWORD(qRgba(gradientColor.blue(), gradientColor.green(),
- gradientColor.red(), gradientColor.alpha()));
- WINDOWCOMPOSITIONATTRIBDATA wcad{};
- wcad.Attrib = WCA_ACCENT_POLICY;
- wcad.pvData = &policy;
- wcad.cbData = sizeof(policy);
- apis.pSetWindowCompositionAttribute(hwnd, &wcad);
- }
- } else {
- if (isWin11OrGreater()) {
- const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_AUTO;
- apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
- sizeof(backdropType));
- } else {
- ACCENT_POLICY policy{};
- policy.dwAccentState = ACCENT_DISABLED;
- policy.dwAccentFlags = ACCENT_NONE;
- WINDOWCOMPOSITIONATTRIBDATA wcad{};
- wcad.Attrib = WCA_ACCENT_POLICY;
- wcad.pvData = &policy;
- wcad.cbData = sizeof(policy);
- apis.pSetWindowCompositionAttribute(hwnd, &wcad);
- }
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
- }
- return true;
- } else if (key == QStringLiteral("dwm-blur")) {
if (attribute.toBool()) {
// We need to extend the window frame into the whole client area to be able
// to see the blurred window background.
- apis.pDwmExtendFrameIntoClientArea(hwnd, &extendMargins);
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &extendedMargins);
+
+ const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_TRANSIENTWINDOW;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
+ sizeof(backdropType));
+
+ // PRIVATE API REFERENCE:
+ // QColor gradientColor = {};
+ // ACCENT_POLICY policy{};
+ // policy.dwAccentState = ACCENT_ENABLE_ACRYLICBLURBEHIND;
+ // policy.dwAccentFlags = ACCENT_ENABLE_ACRYLIC_WITH_LUMINOSITY;
+ // // This API expects the #AABBGGRR format.
+ // policy.dwGradientColor =
+ // DWORD(qRgba(gradientColor.blue(), gradientColor.green(),
+ // gradientColor.red(), gradientColor.alpha()));
+ // WINDOWCOMPOSITIONATTRIBDATA wcad{};
+ // wcad.Attrib = WCA_ACCENT_POLICY;
+ // wcad.pvData = &policy;
+ // wcad.cbData = sizeof(policy);
+ // apis.pSetWindowCompositionAttribute(hwnd, &wcad);
+ } else {
+ const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_AUTO;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
+ sizeof(backdropType));
+
+ // PRIVATE API REFERENCE:
+ // ACCENT_POLICY policy{};
+ // policy.dwAccentState = ACCENT_DISABLED;
+ // policy.dwAccentFlags = ACCENT_NONE;
+ // WINDOWCOMPOSITIONATTRIBDATA wcad{};
+ // wcad.Attrib = WCA_ACCENT_POLICY;
+ // wcad.pvData = &policy;
+ // wcad.cbData = sizeof(policy);
+ // apis.pSetWindowCompositionAttribute(hwnd, &wcad);
+
+ restoreMargins();
+ }
+ return true;
+ }
+
+ if (key == QStringLiteral("dwm-blur")) {
+ // TODO: Optimize
+ // Currently not available!!!
+ if (attribute.toBool()) {
+ // We need to extend the window frame into the whole client area to be able
+ // to see the blurred window background.
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &extendedMargins);
if (isWin8OrGreater()) {
ACCENT_POLICY policy{};
policy.dwAccentState = ACCENT_ENABLE_BLURBEHIND;
@@ -940,7 +980,7 @@
bb.dwFlags = DWM_BB_ENABLE;
apis.pDwmEnableBlurBehindWindow(hwnd, &bb);
}
- apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
+ restoreMargins();
}
return true;
}
@@ -1472,8 +1512,7 @@
int frameSize = getResizeBorderThickness(hWnd);
bool isTop = (nativeLocalPos.y < frameSize);
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
- if (isWin10OrGreater()) {
+ if (isSystemBorderEnabled()) {
// This will handle the left, right and bottom parts of the frame
// because we didn't change them.
LRESULT originalHitTestResult = ::DefWindowProcW(hWnd, WM_NCHITTEST, 0, lParam);
@@ -1515,9 +1554,7 @@
}
*result = HTCLIENT;
return true;
- } else
-#endif
- {
+ } else {
if (full) {
*result = HTCLIENT;
return true;
@@ -1603,7 +1640,7 @@
break;
}
- if (!isWin10OrGreater()) {
+ if (!isSystemBorderEnabled()) {
switch (message) {
case WM_NCUAHDRAWCAPTION:
case WM_NCUAHDRAWFRAME: {
@@ -1667,7 +1704,6 @@
Q_UNUSED(message)
Q_UNUSED(this)
-#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
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@@ -1755,7 +1791,7 @@
// and align it with the upper-left corner of our new client area".
const auto clientRect = wParam ? &(reinterpret_cast<LPNCCALCSIZE_PARAMS>(lParam))->rgrc[0]
: reinterpret_cast<LPRECT>(lParam);
- if (isWin10OrGreater()) {
+ if (isSystemBorderEnabled()) {
// Store the original top margin before the default window procedure applies the
// default frame.
const LONG originalTop = clientRect->top;
@@ -1782,6 +1818,7 @@
// technique to bring the top border back.
clientRect->top = originalTop;
}
+
const bool max = IsMaximized(hWnd);
const bool full = isFullScreen(hWnd);
// We don't need this correction when we're fullscreen. We will
@@ -1796,7 +1833,7 @@
// a window when it's maximized unless you restore it).
const quint32 frameSize = getResizeBorderThickness(hWnd);
clientRect->top += frameSize;
- if (!isWin10OrGreater()) {
+ if (!isSystemBorderEnabled()) {
clientRect->bottom -= frameSize;
clientRect->left += frameSize;
clientRect->right -= frameSize;
@@ -1875,7 +1912,6 @@
}
}
}
-#endif
// We should call this function only before the function returns.
syncPaintEventWithDwm();
// By returning WVR_REDRAW we can make the window resizing look
@@ -1900,10 +1936,11 @@
const auto getNativeGlobalPosFromKeyboard = [hWnd]() -> POINT {
const bool maxOrFull = IsMaximized(hWnd) || isFullScreen(hWnd);
const quint32 frameSize = getResizeBorderThickness(hWnd);
- const quint32 horizontalOffset = ((maxOrFull || !isWin10OrGreater()) ? 0 : frameSize);
+ const quint32 horizontalOffset =
+ ((maxOrFull || !isSystemBorderEnabled()) ? 0 : frameSize);
const auto verticalOffset = [hWnd, maxOrFull, frameSize]() -> quint32 {
const quint32 titleBarHeight = getTitleBarHeight(hWnd);
- if (!isWin10OrGreater()) {
+ if (!isSystemBorderEnabled()) {
return titleBarHeight;
}
if (isWin11OrGreater()) {
--
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