sola/qwindowkit.git

			@@ -1,3 +1,7 @@
			// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
			// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
			// SPDX-License-Identifier: Apache-2.0

			#ifndef QWKWINDOWSEXTRA_P_H
			#define QWKWINDOWSEXTRA_P_H

			@@ -16,12 +20,12 @@

			#include <QWKCore/qwindowkit_windows.h>

			#include <QtCore/private/qsystemlibrary_p.h>
			#include <QtCore/private/qwinregistry_p.h>

			#include <QtCore/QtMath>
			#include <QtGui/QGuiApplication>
			#include <QtGui/QStyleHints>
			#include <QtGui/QPalette>

			#include <QtCore/private/qsystemlibrary_p.h>

			// Don't include this header in any header files.

			@@ -132,12 +136,14 @@
			};
			using PWINDOWCOMPOSITIONATTRIBDATA = WINDOWCOMPOSITIONATTRIBDATA *;

			enum PREFERRED_APP_MODE
			{
			PAM_DEFAULT = 0, // Default behavior on systems before Win10 1809. It indicates the application doesn't support dark mode at all.
			PAM_AUTO = 1, // Available since Win10 1809, let system decide whether to enable dark mode or not.
			enum PREFERRED_APP_MODE {
			PAM_DEFAULT = 0, // Default behavior on systems before Win10 1809. It indicates the
			// application doesn't support dark mode at all.
			PAM_AUTO =
			1, // Available since Win10 1809, let system decide whether to enable dark mode or not.
			PAM_DARK = 2, // Available since Win10 1903, force dark mode regardless of the system theme.
			PAM_LIGHT = 3, // Available since Win10 1903, force light mode regardless of the system theme.
			PAM_LIGHT =
			3, // Available since Win10 1903, force light mode regardless of the system theme.
			PAM_MAX = 4
			};

			@@ -145,9 +151,9 @@

			// Win10 1809 (10.0.17763)
			using RefreshImmersiveColorPolicyStatePtr = VOID(WINAPI *)(VOID); // Ordinal 104
			using AllowDarkModeForWindowPtr = BOOL(WINAPI *)(HWND, BOOL); // Ordinal 133
			using AllowDarkModeForAppPtr = BOOL(WINAPI *)(BOOL); // Ordinal 135
			using FlushMenuThemesPtr = VOID(WINAPI *)(VOID); // Ordinal 136
			using AllowDarkModeForWindowPtr = BOOL(WINAPI *)(HWND, BOOL); // Ordinal 133
			using AllowDarkModeForAppPtr = BOOL(WINAPI *)(BOOL); // Ordinal 135
			using FlushMenuThemesPtr = VOID(WINAPI *)(VOID); // Ordinal 136
			// Win10 1903 (10.0.18362)
			using SetPreferredAppModePtr = PREFERRED_APP_MODE(WINAPI *)(PREFERRED_APP_MODE); // Ordinal 135

			@@ -155,7 +161,7 @@

			struct DynamicApis {
			static const DynamicApis &instance() {
			static const DynamicApis inst{};
			static const DynamicApis inst;
			return inst;
			}

			@@ -163,17 +169,14 @@

			DYNAMIC_API_DECLARE(DwmFlush);
			DYNAMIC_API_DECLARE(DwmIsCompositionEnabled);
			DYNAMIC_API_DECLARE(DwmGetCompositionTimingInfo);
			DYNAMIC_API_DECLARE(DwmGetWindowAttribute);
			DYNAMIC_API_DECLARE(DwmSetWindowAttribute);
			DYNAMIC_API_DECLARE(DwmExtendFrameIntoClientArea);
			DYNAMIC_API_DECLARE(DwmEnableBlurBehindWindow);
			DYNAMIC_API_DECLARE(GetDpiForWindow);
			DYNAMIC_API_DECLARE(GetSystemMetricsForDpi);
			DYNAMIC_API_DECLARE(AdjustWindowRectExForDpi);
			DYNAMIC_API_DECLARE(GetDpiForMonitor);
			DYNAMIC_API_DECLARE(timeGetDevCaps);
			DYNAMIC_API_DECLARE(timeBeginPeriod);
			DYNAMIC_API_DECLARE(timeEndPeriod);

			#undef DYNAMIC_API_DECLARE

			@@ -193,6 +196,7 @@
			DYNAMIC_API_RESOLVE(user32, GetDpiForWindow);
			DYNAMIC_API_RESOLVE(user32, GetSystemMetricsForDpi);
			DYNAMIC_API_RESOLVE(user32, SetWindowCompositionAttribute);
			DYNAMIC_API_RESOLVE(user32, AdjustWindowRectExForDpi);

			QSystemLibrary shcore(QStringLiteral("shcore"));
			DYNAMIC_API_RESOLVE(shcore, GetDpiForMonitor);
			@@ -200,20 +204,14 @@
			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);
			DYNAMIC_API_RESOLVE(dwmapi, DwmExtendFrameIntoClientArea);
			DYNAMIC_API_RESOLVE(dwmapi, DwmEnableBlurBehindWindow);

			QSystemLibrary winmm(QStringLiteral("winmm"));
			DYNAMIC_API_RESOLVE(winmm, timeGetDevCaps);
			DYNAMIC_API_RESOLVE(winmm, timeBeginPeriod);
			DYNAMIC_API_RESOLVE(winmm, timeEndPeriod);

			#undef DYNAMIC_API_RESOLVE

			#define UNDOC_API_RESOLVE(DLL, NAME, ORDINAL) \
			#define UNDOC_API_RESOLVE(DLL, NAME, ORDINAL) \
			p##NAME = reinterpret_cast<decltype(p##NAME)>(DLL.resolve(MAKEINTRESOURCEA(ORDINAL)))

			QSystemLibrary uxtheme(QStringLiteral("uxtheme"));
			@@ -228,127 +226,101 @@

			~DynamicApis() = default;

			Q_DISABLE_COPY_MOVE(DynamicApis)
			Q_DISABLE_COPY(DynamicApis)
			};

			}

			static inline constexpr bool operator==(const POINT &lhs, const POINT &rhs) noexcept {
			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 {
			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 {
			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 {
			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 {
			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 {
			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 {
			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 {
			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 {
			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 {
			inline constexpr bool operator!=(const RECT &lhs, const RECT &rhs) noexcept {
			return !operator==(lhs, rhs);
			}

			static inline constexpr QPoint point2qpoint(const POINT &point) {
			inline constexpr QPoint point2qpoint(const POINT &point) {
			return QPoint{int(point.x), int(point.y)};
			}

			static inline constexpr POINT qpoint2point(const QPoint &point) {
			inline constexpr POINT qpoint2point(const QPoint &point) {
			return POINT{LONG(point.x()), LONG(point.y())};
			}

			static inline constexpr QSize size2qsize(const SIZE &size) {
			inline constexpr QSize size2qsize(const SIZE &size) {
			return QSize{int(size.cx), int(size.cy)};
			}

			static inline constexpr SIZE qsize2size(const QSize &size) {
			inline constexpr SIZE qsize2size(const QSize &size) {
			return SIZE{LONG(size.width()), LONG(size.height())};
			}

			static inline constexpr QRect rect2qrect(const RECT &rect) {
			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) {
			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) {
			inline constexpr QMargins margins2qmargins(const MARGINS &margins) {
			return {margins.cxLeftWidth, margins.cyTopHeight, margins.cxRightWidth,
			margins.cyBottomHeight};
			}

			inline constexpr MARGINS qmargins2margins(const QMargins &qmargins) {
			return {qmargins.left(), qmargins.right(), qmargins.top(), qmargins.bottom()};
			}

			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) {
			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 isWin101809OrGreater() {
			static const bool result = IsWindows101809OrGreater_Real();
			return result;
			}

			static inline bool isWin101903OrGreater() {
			static const bool result = IsWindows101903OrGreater_Real();
			return result;
			}

			static inline bool isWin11OrGreater() {
			static const bool result = IsWindows11OrGreater_Real();
			return result;
			}

			static inline bool isWin1122H2OrGreater() {
			static const bool result = IsWindows1122H2OrGreater_Real();
			return result;
			}

			static inline bool isDwmCompositionEnabled() {
			inline bool isDwmCompositionEnabled() {
			if (isWin8OrGreater()) {
			return true;
			}
			@@ -360,35 +332,38 @@
			return SUCCEEDED(apis.pDwmIsCompositionEnabled(&enabled)) && enabled;
			}

			static inline bool isWindowFrameBorderColorized() {
			const QWinRegistryKey registry(HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\DWM)");
			inline bool isWindowFrameBorderColorized() {
			WindowsRegistryKey registry(HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\DWM)");
			if (!registry.isValid()) {
			return false;
			}
			const auto value = registry.dwordValue(L"ColorPrevalence");
			auto value = registry.dwordValue(L"ColorPrevalence");
			if (!value.second) {
			return false;
			}
			return value.first;
			}

			static inline bool isHighContrastModeEnabled() {
			inline bool isHighContrastModeEnabled() {
			HIGHCONTRASTW hc{};
			hc.cbSize = sizeof(hc);
			::SystemParametersInfoW(SPI_GETHIGHCONTRAST, sizeof(hc), &hc, FALSE);
			return (hc.dwFlags & HCF_HIGHCONTRASTON);
			}

			static inline bool isDarkThemeActive() {
			inline bool isDarkThemeActive() {
			if (!isWin101809OrGreater()) {
			return false;
			}
			#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
			return QGuiApplication::styleHints()->colorScheme() == Qt::ColorScheme::Dark;
			#else
			const QWinRegistryKey registry(
			WindowsRegistryKey registry(
			HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\CurrentVersion\Themes\Personalize)");
			if (!registry.isValid()) {
			return false;
			}
			const auto value = registry.dwordValue(L"AppsUseLightTheme");
			auto value = registry.dwordValue(L"AppsUseLightTheme");
			if (!value.second) {
			return false;
			}
			@@ -396,43 +371,111 @@
			#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 {
			inline bool isDarkWindowFrameEnabled(HWND hwnd) {
			if (!isWin101809OrGreater()) {
			return false;
			}
			BOOL enabled = FALSE;
			const DynamicApis &apis = DynamicApis::instance();
			const auto attr = isWin1020H1OrGreater() ? _DWMWA_USE_IMMERSIVE_DARK_MODE
			: _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1;
			return SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd, attr, &enabled, sizeof(enabled))) &&
			enabled;
			}

			static inline QColor getAccentColor() {
			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)");
			WindowsRegistryKey registry(HKEY_CURRENT_USER, LR"(Software\Microsoft\Windows\DWM)");
			if (!registry.isValid()) {
			return {};
			}
			const auto value = registry.dwordValue(L"AccentColor");
			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()) {
			QColor color = QColor::fromRgba(value.first);
			if (!color.isValid()) {
			return {};
			}
			return QColor::fromRgb(abgr.blue(), abgr.green(), abgr.red(), abgr.alpha());
			return QColor::fromRgb(color.blue(), color.green(), color.red(), color.alpha());
			#endif
			}

			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);
			}
			}

			inline quint32 getSystemMetricsForDpi(int index, quint32 dpi) {
			const DynamicApis &apis = DynamicApis::instance();
			if (apis.pGetSystemMetricsForDpi) {
			return apis.pGetSystemMetricsForDpi(index, dpi);
			}
			const int result = ::GetSystemMetrics(index);
			// GetSystemMetrics() always give you scaled value.
			if (dpi != USER_DEFAULT_SCREEN_DPI) {
			return result;
			}
			const qreal dpr = qreal(dpi) / qreal(USER_DEFAULT_SCREEN_DPI);
			// ### Not sure how Windows itself rounds non-integer value.
			return qFloor(qreal(result) / dpr);
			}

			inline quint32 getWindowFrameBorderThickness(HWND hwnd) {
			const DynamicApis &apis = DynamicApis::instance();
			if (isWin11OrGreater()) {
			UINT result = 0;
			if (SUCCEEDED(apis.pDwmGetWindowAttribute(hwnd, _DWMWA_VISIBLE_FRAME_BORDER_THICKNESS,
			&result, sizeof(result)))) {
			return result;
			}
			}
			if (isWin10OrGreater()) {
			const quint32 dpi = getDpiForWindow(hwnd);
			// When DPI is 96, it should be 1px.
			return getSystemMetricsForDpi(SM_CXBORDER, dpi);
			}
			// There's no such thing (a visible frame border line) before Win10.
			return 0;
			}

			inline quint32 getResizeBorderThickness(HWND hwnd) {
			const quint32 dpi = getDpiForWindow(hwnd);
			// When DPI is 96, SM_CXSIZEFRAME is 4px, SM_CXPADDEDBORDER is also 4px,
			// so the result should be 8px. This result won't be affected by OS version,
			// it's 8px in Win7, and so in Win11.
			return getSystemMetricsForDpi(SM_CXSIZEFRAME, dpi) +
			getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
			}

			inline quint32 getTitleBarHeight(HWND hwnd) {
			const quint32 dpi = getDpiForWindow(hwnd);
			// When DPI is 96, SM_CYCAPTION is 23px, so the result should be 31px.
			// However, according to latest MS design manual, the title bar height
			// should be 32px, maybe there's some rounding issue.
			return getSystemMetricsForDpi(SM_CYCAPTION, dpi) +
			getSystemMetricsForDpi(SM_CYSIZEFRAME, dpi) +
			getSystemMetricsForDpi(SM_CXPADDEDBORDER, dpi);
			}

			}

			#endif // QWKWINDOWSEXTRA_P_H