From a5d13e19dd7f6037e10b649c49805922ae5e0fa6 Mon Sep 17 00:00:00 2001
From: SineStriker <trueful@163.com>
Date: 周五, 22 12月 2023 17:04:29 +0800
Subject: [PATCH] Prepare to remove style support again
---
src/core/contexts/win32windowcontext.cpp | 513 ++++++++++++++++++++------------------------------------
1 files changed, 188 insertions(+), 325 deletions(-)
diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index 40fda7c..969a275 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -10,8 +10,6 @@
#include <QtGui/QPalette>
#include <QtGui/QStyleHints>
-#include <QtCore/private/qwinregistry_p.h>
-#include <QtCore/private/qsystemlibrary_p.h>
#include <QtGui/private/qhighdpiscaling_p.h>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
# include <QtGui/private/qguiapplication_p.h>
@@ -23,44 +21,14 @@
# include <QtGui/qpa/qplatformwindow_p.h>
#endif
-#include <shellscalingapi.h>
-#include <dwmapi.h>
-#include <timeapi.h>
-
#include "qwkglobal_p.h"
+#include "qwkwindowsextra_p.h"
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
Q_DECLARE_METATYPE(QMargins)
#endif
namespace QWK {
-
- enum _DWMWINDOWATTRIBUTE {
- // [set] BOOL, Allows the use of host backdrop brushes for the window.
- _DWMWA_USE_HOSTBACKDROPBRUSH = 17,
-
- // Undocumented, the same with DWMWA_USE_IMMERSIVE_DARK_MODE, but available on systems
- // before Win10 20H1.
- _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1 = 19,
-
- // [set] BOOL, Allows a window to either use the accent color, or dark, according to the
- // user Color Mode preferences.
- _DWMWA_USE_IMMERSIVE_DARK_MODE = 20,
-
- // [set] WINDOW_CORNER_PREFERENCE, Controls the policy that rounds top-level window corners
- _DWMWA_WINDOW_CORNER_PREFERENCE = 33,
-
- // [get] UINT, width of the visible border around a thick frame window
- _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS = 37,
-
- // [get, set] SYSTEMBACKDROP_TYPE, Controls the system-drawn backdrop material of a window,
- // including behind the non-client area.
- _DWMWA_SYSTEMBACKDROP_TYPE = 38,
-
- // Undocumented, use this value to enable Mica material on Win11 21H2. You should use
- // DWMWA_SYSTEMBACKDROP_TYPE instead on Win11 22H2 and newer.
- _DWMWA_MICA_EFFECT = 1029
- };
// The thickness of an auto-hide taskbar in pixels.
static constexpr const quint8 kAutoHideTaskBarThickness = 2;
@@ -79,251 +47,6 @@
// Original Qt window proc function
static WNDPROC g_qtWindowProc = nullptr;
- struct DynamicApis {
- static const DynamicApis &instance() {
- static const DynamicApis inst{};
- return inst;
- }
-
- // template <typename T>
- // struct DefaultFunc;
- //
- // template <typename Return, typename... Args>
- // struct DefaultFunc<Return(QT_WIN_CALLBACK *)(Args...)> {
- // static Return STDAPICALLTYPE func(Args...) {
- // return Return{};
- // }
- // };
- //
- // #define DYNAMIC_API_DECLARE(NAME) decltype(&::NAME) p##NAME =
- // DefaultFunc<decltype(&::NAME)>::func
-
-#define DYNAMIC_API_DECLARE(NAME) decltype(&::NAME) p##NAME = nullptr
-
- DYNAMIC_API_DECLARE(DwmFlush);
- DYNAMIC_API_DECLARE(DwmIsCompositionEnabled);
- DYNAMIC_API_DECLARE(DwmGetCompositionTimingInfo);
- DYNAMIC_API_DECLARE(DwmGetWindowAttribute);
- DYNAMIC_API_DECLARE(DwmSetWindowAttribute);
- DYNAMIC_API_DECLARE(GetDpiForWindow);
- DYNAMIC_API_DECLARE(GetSystemMetricsForDpi);
- DYNAMIC_API_DECLARE(GetDpiForMonitor);
- DYNAMIC_API_DECLARE(timeGetDevCaps);
- DYNAMIC_API_DECLARE(timeBeginPeriod);
- DYNAMIC_API_DECLARE(timeEndPeriod);
-
-#undef DYNAMIC_API_DECLARE
-
- private:
- DynamicApis() {
-#define DYNAMIC_API_RESOLVE(DLL, NAME) \
- p##NAME = reinterpret_cast<decltype(p##NAME)>(DLL.resolve(#NAME))
-
- QSystemLibrary user32(QStringLiteral("user32"));
- DYNAMIC_API_RESOLVE(user32, GetDpiForWindow);
- DYNAMIC_API_RESOLVE(user32, GetSystemMetricsForDpi);
-
- QSystemLibrary shcore(QStringLiteral("shcore"));
- DYNAMIC_API_RESOLVE(shcore, GetDpiForMonitor);
-
- QSystemLibrary dwmapi(QStringLiteral("dwmapi"));
- DYNAMIC_API_RESOLVE(dwmapi, DwmFlush);
- DYNAMIC_API_RESOLVE(dwmapi, DwmIsCompositionEnabled);
- DYNAMIC_API_RESOLVE(dwmapi, DwmGetCompositionTimingInfo);
- DYNAMIC_API_RESOLVE(dwmapi, DwmGetWindowAttribute);
- DYNAMIC_API_RESOLVE(dwmapi, DwmSetWindowAttribute);
-
- QSystemLibrary winmm(QStringLiteral("winmm"));
- DYNAMIC_API_RESOLVE(winmm, timeGetDevCaps);
- DYNAMIC_API_RESOLVE(winmm, timeBeginPeriod);
- DYNAMIC_API_RESOLVE(winmm, timeEndPeriod);
-
-#undef DYNAMIC_API_RESOLVE
- }
-
- ~DynamicApis() = default;
-
- Q_DISABLE_COPY_MOVE(DynamicApis)
- };
-
- static inline constexpr bool operator==(const POINT &lhs, const POINT &rhs) noexcept {
- return ((lhs.x == rhs.x) && (lhs.y == rhs.y));
- }
-
- static inline constexpr bool operator!=(const POINT &lhs, const POINT &rhs) noexcept {
- return !operator==(lhs, rhs);
- }
-
- static inline constexpr bool operator==(const SIZE &lhs, const SIZE &rhs) noexcept {
- return ((lhs.cx == rhs.cx) && (lhs.cy == rhs.cy));
- }
-
- static inline constexpr bool operator!=(const SIZE &lhs, const SIZE &rhs) noexcept {
- return !operator==(lhs, rhs);
- }
-
- static inline constexpr bool operator>(const SIZE &lhs, const SIZE &rhs) noexcept {
- return ((lhs.cx * lhs.cy) > (rhs.cx * rhs.cy));
- }
-
- static inline constexpr bool operator>=(const SIZE &lhs, const SIZE &rhs) noexcept {
- return (operator>(lhs, rhs) || operator==(lhs, rhs));
- }
-
- static inline constexpr bool operator<(const SIZE &lhs, const SIZE &rhs) noexcept {
- return (operator!=(lhs, rhs) && !operator>(lhs, rhs));
- }
-
- static inline constexpr bool operator<=(const SIZE &lhs, const SIZE &rhs) noexcept {
- return (operator<(lhs, rhs) || operator==(lhs, rhs));
- }
-
- static inline constexpr bool operator==(const RECT &lhs, const RECT &rhs) noexcept {
- return ((lhs.left == rhs.left) && (lhs.top == rhs.top) && (lhs.right == rhs.right) &&
- (lhs.bottom == rhs.bottom));
- }
-
- static inline constexpr bool operator!=(const RECT &lhs, const RECT &rhs) noexcept {
- return !operator==(lhs, rhs);
- }
-
- static inline constexpr QPoint point2qpoint(const POINT &point) {
- return QPoint{int(point.x), int(point.y)};
- }
-
- static inline constexpr POINT qpoint2point(const QPoint &point) {
- return POINT{LONG(point.x()), LONG(point.y())};
- }
-
- static inline constexpr QSize size2qsize(const SIZE &size) {
- return QSize{int(size.cx), int(size.cy)};
- }
-
- static inline constexpr SIZE qsize2size(const QSize &size) {
- return SIZE{LONG(size.width()), LONG(size.height())};
- }
-
- static inline constexpr QRect rect2qrect(const RECT &rect) {
- return QRect{
- QPoint{int(rect.left), int(rect.top) },
- QSize{int(RECT_WIDTH(rect)), int(RECT_HEIGHT(rect))}
- };
- }
-
- static inline constexpr RECT qrect2rect(const QRect &qrect) {
- return RECT{LONG(qrect.left()), LONG(qrect.top()), LONG(qrect.right()),
- LONG(qrect.bottom())};
- }
-
- static inline /*constexpr*/ QString hwnd2str(const WId windowId) {
- // NULL handle is allowed here.
- return QLatin1String("0x") +
- QString::number(windowId, 16).toUpper().rightJustified(8, u'0');
- }
-
- static inline /*constexpr*/ QString hwnd2str(HWND hwnd) {
- // NULL handle is allowed here.
- return hwnd2str(reinterpret_cast<WId>(hwnd));
- }
-
- static inline bool isWin8OrGreater() {
- static const bool result = IsWindows8OrGreater_Real();
- return result;
- }
-
- static inline bool isWin8Point1OrGreater() {
- static const bool result = IsWindows8Point1OrGreater_Real();
- return result;
- }
-
- static inline bool isWin10OrGreater() {
- static const bool result = IsWindows10OrGreater_Real();
- return result;
- }
-
- static inline bool isWin11OrGreater() {
- static const bool result = IsWindows11OrGreater_Real();
- return result;
- }
-
- static inline bool isDwmCompositionEnabled() {
- if (isWin8OrGreater()) {
- return true;
- }
- const DynamicApis &apis = DynamicApis::instance();
- if (!apis.pDwmIsCompositionEnabled) {
- return false;
- }
- BOOL enabled = FALSE;
- return SUCCEEDED(apis.pDwmIsCompositionEnabled(&enabled)) && enabled;
- }
-
- static inline bool isWindowFrameBorderColorized() {
- const QWinRegistryKey registry(HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\DWM)");
- if (!registry.isValid()) {
- return false;
- }
- const auto value = registry.dwordValue(L"ColorPrevalence");
- if (!value.second) {
- return false;
- }
- return value.first;
- }
-
- static inline bool isDarkThemeActive() {
-#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
- return QGuiApplication::styleHints()->colorScheme() == Qt::ColorScheme::Dark;
-#else
- const QWinRegistryKey registry(
- HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\CurrentVersion\Themes\Personalize)");
- if (!registry.isValid()) {
- return false;
- }
- const auto value = registry.dwordValue(L"AppsUseLightTheme");
- if (!value.second) {
- return false;
- }
- return !value.first;
-#endif
- }
-
- static inline bool isDarkWindowFrameEnabled(HWND hwnd) {
- BOOL enabled = FALSE;
- const DynamicApis &apis = DynamicApis::instance();
- if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd, _DWMWA_USE_IMMERSIVE_DARK_MODE, &enabled,
- sizeof(enabled)))) {
- return enabled;
- } else if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd,
- _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
- &enabled, sizeof(enabled)))) {
- return enabled;
- } else {
- return false;
- }
- }
-
- static inline QColor getAccentColor() {
-#if QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
- return QGuiApplication::palette().color(QPalette::Accent);
-#else
- const QWinRegistryKey registry(HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\DWM)");
- if (!registry.isValid()) {
- return {};
- }
- const auto value = registry.dwordValue(L"AccentColor");
- if (!value.second) {
- return {};
- }
- // The retrieved value is in the #AABBGGRR format, we need to
- // convert it to the #AARRGGBB format which Qt expects.
- const QColor abgr = QColor::fromRgba(value.first);
- if (!abgr.isValid()) {
- return {};
- }
- return QColor::fromRgb(abgr.blue(), abgr.green(), abgr.red(), abgr.alpha());
-#endif
- }
-
static inline void triggerFrameChange(HWND hwnd) {
::SetWindowPos(hwnd, nullptr, 0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER |
@@ -332,7 +55,7 @@
static inline quint32 getDpiForWindow(HWND hwnd) {
const DynamicApis &apis = DynamicApis::instance();
- if (apis.pGetDpiForWindow) { // Win10
+ if (apis.pGetDpiForWindow) { // Win10
return apis.pGetDpiForWindow(hwnd);
} else if (apis.pGetDpiForMonitor) { // Win8.1
HMONITOR monitor = ::MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
@@ -379,16 +102,7 @@
getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
}
- static void updateInternalWindowFrameMargins(HWND hwnd, QWindow *window) {
- const auto margins = [hwnd]() -> QMargins {
- const auto titleBarHeight = int(getTitleBarHeight(hwnd));
- if (isWin10OrGreater()) {
- return {0, -titleBarHeight, 0, 0};
- } else {
- const auto frameSize = int(getResizeBorderThickness(hwnd));
- return {-frameSize, -titleBarHeight, -frameSize, -frameSize};
- }
- }();
+ static void setInternalWindowFrameMargins(QWindow *window, const QMargins &margins) {
const QVariant marginsVar = QVariant::fromValue(margins);
window->setProperty("_q_windowsCustomMargins", marginsVar);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
@@ -829,7 +543,20 @@
return ::CallWindowProcW(g_qtWindowProc, hWnd, message, wParam, lParam);
}
- static inline void addManagedWindow(HWND hWnd, Win32WindowContext *ctx) {
+ static inline void addManagedWindow(QWindow *window, HWND hWnd, Win32WindowContext *ctx) {
+ const auto margins = [hWnd]() -> QMargins {
+ const auto titleBarHeight = int(getTitleBarHeight(hWnd));
+ if (isWin10OrGreater()) {
+ return {0, -titleBarHeight, 0, 0};
+ } else {
+ const auto frameSize = int(getResizeBorderThickness(hWnd));
+ return {-frameSize, -titleBarHeight, -frameSize, -frameSize};
+ }
+ }();
+
+ // Inform Qt we want and have set custom margins
+ setInternalWindowFrameMargins(window, margins);
+
// Store original window proc
if (!g_qtWindowProc) {
g_qtWindowProc = reinterpret_cast<WNDPROC>(::GetWindowLongPtrW(hWnd, GWLP_WNDPROC));
@@ -845,7 +572,6 @@
g_wndProcHash->insert(hWnd, ctx);
}
- template <bool Destroyed = true>
static inline void removeManagedWindow(HWND hWnd) {
// Remove window handle mapping
if (!g_wndProcHash->remove(hWnd))
@@ -854,11 +580,6 @@
// Remove event filter if the all windows has been destroyed
if (g_wndProcHash->empty()) {
WindowsNativeEventFilter::uninstall();
- }
-
- // Restore window proc
- if constexpr (!Destroyed) {
- ::SetWindowLongPtrW(hWnd, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(g_qtWindowProc));
}
}
@@ -878,18 +599,24 @@
void Win32WindowContext::virtual_hook(int id, void *data) {
switch (id) {
case CentralizeHook: {
+ if (!windowId)
+ return;
const auto hwnd = reinterpret_cast<HWND>(windowId);
moveWindowToDesktopCenter(hwnd);
return;
}
case RaiseWindowHook: {
+ if (!windowId)
+ return;
const auto hwnd = reinterpret_cast<HWND>(windowId);
bringWindowToFront(hwnd);
return;
}
case ShowSystemMenuHook: {
+ if (!windowId)
+ return;
const auto &pos = *static_cast<const QPoint *>(data);
auto hWnd = reinterpret_cast<HWND>(windowId);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -900,23 +627,6 @@
#endif
showSystemMenu2(hWnd, qpoint2point(nativeGlobalPos), false,
m_delegate->isHostSizeFixed(m_host));
- return;
- }
-
- case WindowAttributeChangedHook: {
- auto args = static_cast<void **>(data);
- const auto &key = *static_cast<const QString *>(args[0]);
- const auto &newVar = *static_cast<const QVariant *>(args[1]);
- const auto &oldVar = *static_cast<const QVariant *>(args[2]);
-
- if (key == QStringLiteral("no-frame-shadow")) {
- if (newVar.toBool()) {
- // TODO: set off
- } else {
- // TODO: set on
- }
- }
-
return;
}
@@ -931,6 +641,9 @@
}
case DrawWindows10BorderHook: {
+ if (!windowId)
+ return;
+
auto args = static_cast<void **>(data);
auto &painter = *static_cast<QPainter *>(args[0]);
const auto &rect = *static_cast<const QRect *>(args[1]);
@@ -984,16 +697,10 @@
return getWindowFrameBorderThickness(reinterpret_cast<HWND>(windowId));
}
- void Win32WindowContext::winIdChanged(QWindow *oldWindow, bool isDestroyed) {
- Q_UNUSED(isDestroyed)
-
+ void Win32WindowContext::winIdChanged() {
// If the original window id is valid, remove all resources related
if (windowId) {
- if (isDestroyed) {
- removeManagedWindow(reinterpret_cast<HWND>(windowId));
- } else {
- removeManagedWindow<false>(reinterpret_cast<HWND>(windowId));
- }
+ removeManagedWindow(reinterpret_cast<HWND>(windowId));
windowId = 0;
}
@@ -1005,6 +712,11 @@
auto winId = m_windowHandle->winId();
auto hWnd = reinterpret_cast<HWND>(winId);
+ if (!isWin10OrGreater()) {
+ static constexpr const MARGINS margins = {1, 1, 1, 1};
+ DynamicApis::instance().pDwmExtendFrameIntoClientArea(hWnd, &margins);
+ }
+
#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
for (const auto attr : {
_DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
@@ -1015,11 +727,8 @@
}
#endif
- // Inform Qt we want and have set custom margins
- updateInternalWindowFrameMargins(hWnd, m_windowHandle); // TODO: Restore?
-
// Add managed window
- addManagedWindow(hWnd, this);
+ addManagedWindow(m_windowHandle, hWnd, this);
// Cache win id
windowId = winId;
@@ -1078,6 +787,160 @@
return false; // Not handled
}
+ bool Win32WindowContext::windowAttributeChanged(const QString &key, const QVariant &attribute,
+ const QVariant &oldAttribute) {
+ const auto hwnd = reinterpret_cast<HWND>(window->winId());
+ const DynamicApis &apis = DynamicApis::instance();
+ if (key == QStringLiteral("mica")) {
+ if (!isWin11OrGreater()) {
+ 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.
+ static constexpr const MARGINS margins = {-1, -1, -1, -1};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ if (isWin1122H2OrGreater()) {
+ // Use official DWM API to enable Mica, available since Windows 11 22H2
+ // (10.0.22621).
+ const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_MAINWINDOW;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
+ sizeof(backdropType));
+ } else {
+ // Use undocumented DWM API to enable Mica, available since Windows 11
+ // (10.0.22000).
+ const BOOL enable = TRUE;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_MICA_EFFECT, &enable, sizeof(enable));
+ }
+ } else {
+ if (isWin1122H2OrGreater()) {
+ const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_AUTO;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
+ sizeof(backdropType));
+ } else {
+ const BOOL enable = FALSE;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_MICA_EFFECT, &enable, sizeof(enable));
+ }
+ static constexpr const MARGINS margins = {0, 0, 0, 0};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ }
+ return true;
+ } else 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.
+ static constexpr const MARGINS margins = {-1, -1, -1, -1};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ // Use official DWM API to enable Mica Alt, available since Windows 11 22H2
+ // (10.0.22621).
+ const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_TABBEDWINDOW;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
+ sizeof(backdropType));
+ } else {
+ const _DWM_SYSTEMBACKDROP_TYPE backdropType = _DWMSBT_AUTO;
+ apis.pDwmSetWindowAttribute(hwnd, _DWMWA_SYSTEMBACKDROP_TYPE, &backdropType,
+ sizeof(backdropType));
+ static constexpr const MARGINS margins = {0, 0, 0, 0};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ }
+ return true;
+ } else if (key == QStringLiteral("acrylic-material")) {
+ if (!isWin10OrGreater()) {
+ 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.
+ static constexpr const MARGINS margins = {-1, -1, -1, -1};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ 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);
+ }
+ static constexpr const MARGINS margins = {0, 0, 0, 0};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ }
+ 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.
+ static constexpr const MARGINS margins = {-1, -1, -1, -1};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ if (isWin8OrGreater()) {
+ ACCENT_POLICY policy{};
+ policy.dwAccentState = ACCENT_ENABLE_BLURBEHIND;
+ policy.dwAccentFlags = ACCENT_NONE;
+ WINDOWCOMPOSITIONATTRIBDATA wcad{};
+ wcad.Attrib = WCA_ACCENT_POLICY;
+ wcad.pvData = &policy;
+ wcad.cbData = sizeof(policy);
+ apis.pSetWindowCompositionAttribute(hwnd, &wcad);
+ } else {
+ DWM_BLURBEHIND bb{};
+ bb.fEnable = TRUE;
+ bb.fTransitionOnMaximized = TRUE;
+ bb.dwFlags = DWM_BB_ENABLE | DWM_BB_TRANSITIONONMAXIMIZED;
+ apis.pDwmEnableBlurBehindWindow(hwnd, &bb);
+ }
+ } else {
+ if (isWin8OrGreater()) {
+ 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);
+ } else {
+ DWM_BLURBEHIND bb{};
+ bb.fEnable = FALSE;
+ bb.dwFlags = DWM_BB_ENABLE;
+ apis.pDwmEnableBlurBehindWindow(hwnd, &bb);
+ }
+ static constexpr const MARGINS margins = {0, 0, 0, 0};
+ apis.pDwmExtendFrameIntoClientArea(hwnd, &margins);
+ }
+ return true;
+ }
+ return false;
+ }
+
QWK_USED static constexpr const struct {
const WPARAM wParam = MAKEWPARAM(44500, 61897);
const LPARAM lParam = MAKELPARAM(62662, 44982); // Not used. Reserve for future use.
--
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