From adb46e1e151b73e56a7e0066a896b48b92a7230e Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周五, 22 12月 2023 21:44:10 +0800
Subject: [PATCH] win: use modern API

---
 src/core/contexts/win32windowcontext.cpp |  175 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 168 insertions(+), 7 deletions(-)

diff --git a/src/core/contexts/win32windowcontext.cpp b/src/core/contexts/win32windowcontext.cpp
index 4d1a6ff..4ea0b5a 100644
--- a/src/core/contexts/win32windowcontext.cpp
+++ b/src/core/contexts/win32windowcontext.cpp
@@ -21,6 +21,8 @@
 #  include <QtGui/qpa/qplatformwindow_p.h>
 #endif
 
+#include <QWKCore/qwkconfig.h>
+
 #include "qwkglobal_p.h"
 #include "qwkwindowsextra_p.h"
 
@@ -712,10 +714,20 @@
         auto winId = m_windowHandle->winId();
         auto hWnd = reinterpret_cast<HWND>(winId);
 
-        if (!isWin10OrGreater()) {
+#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)
+        {
+            auto style = ::GetWindowLongPtrW(hWnd, GWL_STYLE);
+            ::SetWindowLongPtrW(hWnd, GWL_STYLE, style | WS_THICKFRAME | WS_CAPTION);
+        }
+#endif
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
         for (const auto attr : {
@@ -785,6 +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 {
@@ -1312,6 +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.
@@ -1354,7 +1515,9 @@
                     }
                     *result = HTCLIENT;
                     return true;
-                } else {
+                } else
+#endif
+                {
                     if (full) {
                         *result = HTCLIENT;
                         return true;
@@ -1472,11 +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;
                 }
@@ -1508,6 +1667,7 @@
         Q_UNUSED(message)
         Q_UNUSED(this)
 
+#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
         // Windows鏄牴鎹繖涓秷鎭殑杩斿洖鍊兼潵璁剧疆绐楀彛鐨勫鎴峰尯锛堢獥鍙d腑鐪熸鏄剧ず鐨勫唴瀹癸級
         // 鍜岄潪瀹㈡埛鍖猴紙鏍囬鏍忋�佺獥鍙h竟妗嗐�佽彍鍗曟爮鍜岀姸鎬佹爮绛塛indows绯荤粺鑷鎻愪緵鐨勯儴鍒�
         // 锛屼笉杩囧浜嶲t鏉ヨ锛岄櫎浜嗘爣棰樻爮鍜岀獥鍙h竟妗嗭紝闈炲鎴峰尯鍩烘湰涔熼兘鏄嚜缁樼殑锛夌殑鑼�
@@ -1715,6 +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

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