Sine Striker
2023-12-22 c837319767bb609c6ec806336e49a347c77b11d3
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 +21,16 @@
#  include <QtGui/qpa/qplatformwindow_p.h>
#endif
#include <shellscalingapi.h>
#include <dwmapi.h>
#include <timeapi.h>
#include <QWKCore/qwkconfig.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;
@@ -78,251 +48,6 @@
    // 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,
@@ -907,48 +632,6 @@
                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 (!windowId)
                        return;
                    if (newVar.toBool()) {
                        // TODO: set off
                    } else {
                        // TODO: set on
                    }
                } else if (key == QStringLiteral("mica-material")) {
                    if (!windowId || !isWin11OrGreater())
                        return;
                    const auto hwnd = reinterpret_cast<HWND>(windowId);
                    if (newVar.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};
                        ::DwmExtendFrameIntoClientArea(hwnd, &margins);
                        // Use official DWM API to enable Mica/Mica Alt, available since Windows 11
                        // (10.0.22000).
                        const DWM_SYSTEMBACKDROP_TYPE blurType =
                            DWMSBT_MAINWINDOW; // This one is Mica, if you want to enable Mica Alt,
                                               // use DWMSBT_TABBEDWINDOW instead.
                        DynamicApis::instance().pDwmSetWindowAttribute(
                            hwnd, DWMWA_SYSTEMBACKDROP_TYPE, &blurType, sizeof(blurType));
                        */
                    } else {
                        // TODO: set off
                    }
                }
                return;
            }
            case DefaultColorsHook: {
                auto &map = *static_cast<QMap<QString, QColor> *>(data);
                map.clear();
@@ -1031,6 +714,21 @@
        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 !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
        {
            DWORD style = ::GetWindowLongW(hWnd, GWL_STYLE);
            ::SetWindowLongW(hWnd, GWL_STYLE, style | WS_THICKFRAME | WS_CAPTION);
        }
#endif
#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
        for (const auto attr : {
                 _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
@@ -1099,6 +797,154 @@
            }
        }
        return false; // Not handled
    }
    bool Win32WindowContext::windowAttributeChanged(const QString &key, const QVariant &attribute,
                                                    const QVariant &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};
        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.
                apis.pDwmExtendFrameIntoClientArea(hwnd, &extendMargins);
                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));
                }
                apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
            }
            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.
                apis.pDwmExtendFrameIntoClientArea(hwnd, &extendMargins);
                // 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));
                apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
            }
            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.
                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);
                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.dwFlags = DWM_BB_ENABLE;
                    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);
                }
                apis.pDwmExtendFrameIntoClientArea(hwnd, &defaultMargins);
            }
            return true;
        }
        return false;
    }
    QWK_USED static constexpr const struct {
@@ -1626,6 +1472,7 @@
                int frameSize = getResizeBorderThickness(hWnd);
                bool isTop = (nativeLocalPos.y < frameSize);
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
                if (isWin10OrGreater()) {
                    // This will handle the left, right and bottom parts of the frame
                    // because we didn't change them.
@@ -1668,7 +1515,9 @@
                    }
                    *result = HTCLIENT;
                    return true;
                } else {
                } else
#endif
                {
                    if (full) {
                        *result = HTCLIENT;
                        return true;
@@ -1786,11 +1635,7 @@
                        // window activation state change.
                        *result = ::DefWindowProcW(hWnd, WM_NCACTIVATE, wParam, -1);
                    } else {
                        if (wParam) {
                            *result = FALSE;
                        } else {
                            *result = TRUE;
                        }
                        *result = TRUE;
                    }
                    return true;
                }
@@ -1822,6 +1667,7 @@
        Q_UNUSED(message)
        Q_UNUSED(this)
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
        // Windows是根据这个消息的返回值来设置窗口的客户区(窗口中真正显示的内容)
        // 和非客户区(标题栏、窗口边框、菜单栏和状态栏等Windows系统自行提供的部分
        // ,不过对于Qt来说,除了标题栏和窗口边框,非客户区基本也都是自绘的)的范
@@ -2029,6 +1875,7 @@
                }
            }
        }
#endif
        // We should call this function only before the function returns.
        syncPaintEventWithDwm();
        // By returning WVR_REDRAW we can make the window resizing look