Add option to enable experimental dark mode

Author: seproDev

src/libresrc/default_config.json

@@ -16,7 +16,8 @@
 		"Save Charset" : "UTF-8",
 		"Save UI State" : true,
 		"Show Toolbar" : true,
-		"Toolbar Icon Size" : 16
+		"Toolbar Icon Size" : 16,
+		"Dark Mode" : false
 	},
 
 

src/main.cpp

@@ -206,6 +206,12 @@ bool AegisubApp::OnInit() {
 	}
 #endif
 
+#if defined(__WXMSW__) && wxVERSION_NUMBER >= 3300
+	if (OPT_GET("App/Dark Mode")->GetBool()) {
+		MSWEnableDarkMode(wxApp::DarkMode_Always);
+	}
+#endif
+
 	// Init commands.
 	cmd::init_builtin_commands();
 

src/preferences.cpp

@@ -238,6 +238,11 @@ void Interface(wxTreebook *book, Preferences *parent) {
 	auto visual_tools = p->PageSizer(_("Visual Tools"));
 	p->OptionAdd(visual_tools, _("Shape handle size"), "Tool/Visual/Shape Handle Size");
 
+#if defined(__WXMSW__) && wxVERSION_NUMBER >= 3300
+	auto dark_mode = p->PageSizer(_("Dark Mode"));
+	p->OptionAdd(dark_mode, _("Enable experimental dark mode (restart required)"), "App/Dark Mode");
+#endif
+
 	p->SetSizerAndFit(p->sizer);
 }