From 4f9f75cb4b70f3b76cee57d0f98b59f8475bba3b Mon Sep 17 00:00:00 2001
From: SineStriker <trueful@163.com>
Date: 周三, 27 12月 2023 05:56:28 +0800
Subject: [PATCH] Add mac theme notifications

---
 src/core/style/styleagent_win.cpp |   29 ++++++++++++++++++++++-------
 1 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/src/core/style/styleagent_win.cpp b/src/core/style/styleagent_win.cpp
index 9d6072e..e118713 100644
--- a/src/core/style/styleagent_win.cpp
+++ b/src/core/style/styleagent_win.cpp
@@ -12,6 +12,23 @@
     using StyleAgentSet = QSet<StyleAgentPrivate *>;
     Q_GLOBAL_STATIC(StyleAgentSet, g_styleAgentSet)
 
+    static StyleAgent::SystemTheme getSystemTheme() {
+        if (isHighContrastModeEnabled()) {
+            return StyleAgent::HighContrast;
+        } else if (isDarkThemeActive()) {
+            return StyleAgent::Dark;
+        } else {
+            return StyleAgent::Light;
+        }
+    }
+
+    static void notifyAllStyleAgents() {
+        auto theme = getSystemTheme();
+        for (auto &&ap : std::as_const(*g_styleAgentSet())) {
+            ap->notifyThemeChanged(theme);
+        }
+    }
+
     class SystemSettingEventFilter : public AppNativeEventFilter {
     public:
         bool nativeEventFilter(const QByteArray &eventType, void *message,
@@ -26,15 +43,13 @@
                 case WM_THEMECHANGED:
                 case WM_SYSCOLORCHANGE:
                 case WM_DWMCOLORIZATIONCOLORCHANGED: {
-                    // TODO: walk through `g_styleAgentSet`
+                    notifyAllStyleAgents();
                     break;
                 }
 
                 case WM_SETTINGCHANGE: {
-                    if (!msg->wParam && msg->lParam &&
-                        std::wcscmp(reinterpret_cast<LPCWSTR>(msg->lParam), L"ImmersiveColorSet") ==
-                            0) {
-                        // TODO: walk through `g_styleAgentSet`
+                    if (isImmersiveColorSetChange(msg->wParam, msg->lParam)) {
+                        notifyAllStyleAgents();
                     }
                     break;
                 }
@@ -66,10 +81,10 @@
     SystemSettingEventFilter *SystemSettingEventFilter::instance = nullptr;
 
     void StyleAgentPrivate::setupSystemThemeHook() {
+        systemTheme = getSystemTheme();
+
         g_styleAgentSet->insert(this);
         SystemSettingEventFilter::install();
-
-        // Initialize `systemTheme` variable
     }
 
     void StyleAgentPrivate::removeSystemThemeHook() {

--
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