[Windows] Attach to parent console instead of creating new one.

editor/editor_node.cpp

@@ -2620,7 +2620,6 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 		case SETTINGS_TOGGLE_CONSOLE: {
 			bool was_visible = DisplayServer::get_singleton()->is_console_visible();
 			DisplayServer::get_singleton()->console_set_visible(!was_visible);
-			EditorSettings::get_singleton()->set_setting("interface/editor/hide_console_window", was_visible);
 		} break;
 		case EDITOR_SCREENSHOT: {
 			screenshot_timer->start();

editor/editor_settings.cpp

@@ -334,7 +334,6 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	_initial_set("interface/editor/automatically_open_screenshots", true);
 	_initial_set("interface/editor/single_window_mode", false);
 	hints["interface/editor/single_window_mode"] = PropertyInfo(Variant::BOOL, "interface/editor/single_window_mode", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED);
-	_initial_set("interface/editor/hide_console_window", false);
 	_initial_set("interface/editor/save_each_scene_on_quit", true); // Regression
 	_initial_set("interface/editor/quit_confirmation", true);
 

main/main.cpp

@@ -2203,13 +2203,6 @@ bool Main::start() {
 		}
 
 		if (project_manager || editor) {
-			if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CONSOLE_WINDOW)) {
-				// Hide console window if requested (Windows-only).
-				bool hide_console = EditorSettings::get_singleton()->get_setting(
-						"interface/editor/hide_console_window");
-				DisplayServer::get_singleton()->console_set_visible(!hide_console);
-			}
-
 			// Load SSL Certificates from Editor Settings (or builtin)
 			Crypto::load_default_certificates(EditorSettings::get_singleton()->get_setting(
 																					 "network/ssl/editor_ssl_certificates")

platform/windows/detect.py

@@ -183,7 +183,6 @@ def configure_msvc(env, manual_msvc_config):
             env.Append(CCFLAGS=["/O2"])
         else:  # optimize for size
             env.Append(CCFLAGS=["/O1"])
-        env.Append(LINKFLAGS=["/SUBSYSTEM:WINDOWS"])
         env.Append(LINKFLAGS=["/ENTRY:mainCRTStartup"])
         env.Append(LINKFLAGS=["/OPT:REF"])
 
@@ -193,15 +192,15 @@ def configure_msvc(env, manual_msvc_config):
         else:  # optimize for size
             env.Append(CCFLAGS=["/O1"])
         env.AppendUnique(CPPDEFINES=["DEBUG_ENABLED"])
-        env.Append(LINKFLAGS=["/SUBSYSTEM:CONSOLE"])
         env.Append(LINKFLAGS=["/OPT:REF"])
 
     elif env["target"] == "debug":
         env.AppendUnique(CCFLAGS=["/Z7", "/Od", "/EHsc"])
         env.AppendUnique(CPPDEFINES=["DEBUG_ENABLED"])
-        env.Append(LINKFLAGS=["/SUBSYSTEM:CONSOLE"])
         env.Append(LINKFLAGS=["/DEBUG"])
 
+    env.Append(LINKFLAGS=["/SUBSYSTEM:WINDOWS"])
+
     if env["debug_symbols"] == "full" or env["debug_symbols"] == "yes":
         env.AppendUnique(CCFLAGS=["/Z7"])
         env.AppendUnique(LINKFLAGS=["/DEBUG"])
@@ -314,8 +313,6 @@ def configure_mingw(env):
         else:  # optimize for size
             env.Prepend(CCFLAGS=["-Os"])
 
-        env.Append(LINKFLAGS=["-Wl,--subsystem,windows"])
-
         if env["debug_symbols"] == "yes":
             env.Prepend(CCFLAGS=["-g1"])
         if env["debug_symbols"] == "full":
@@ -337,6 +334,8 @@ def configure_mingw(env):
         env.Append(CCFLAGS=["-g3"])
         env.Append(CPPDEFINES=["DEBUG_ENABLED"])
 
+    env.Append(LINKFLAGS=["-Wl,--subsystem,windows"])
+
     ## Compiler configuration
 
     if os.name != "nt":

platform/windows/display_server_windows.cpp

@@ -1135,10 +1135,17 @@ void DisplayServerWindows::window_set_ime_position(const Point2i &p_pos, WindowI
 void DisplayServerWindows::console_set_visible(bool p_enabled) {
 	_THREAD_SAFE_METHOD_
 
-	if (console_visible == p_enabled)
+	if (console_visible == p_enabled) {
 		return;
-	ShowWindow(GetConsoleWindow(), p_enabled ? SW_SHOW : SW_HIDE);
-	console_visible = p_enabled;
+	}
+	if (p_enabled && GetConsoleWindow() == nullptr) { // Open new console if not attached.
+		own_console = true;
+		AllocConsole();
+	}
+	if (own_console) { // Note: Do not hide parent console.
+		ShowWindow(GetConsoleWindow(), p_enabled ? SW_SHOW : SW_HIDE);
+		console_visible = p_enabled;
+	}
 }
 
 bool DisplayServerWindows::is_console_visible() const {
@@ -3019,7 +3026,18 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win
 	shift_mem = false;
 	control_mem = false;
 	meta_mem = false;
-	console_visible = IsWindowVisible(GetConsoleWindow());
+
+	if (AttachConsole(ATTACH_PARENT_PROCESS)) {
+		FILE *_file = nullptr;
+		freopen_s(&_file, "CONOUT$", "w", stdout);
+		freopen_s(&_file, "CONOUT$", "w", stderr);
+		freopen_s(&_file, "CONIN$", "r", stdin);
+
+		printf("\n");
+		console_visible = true;
+	} else {
+		console_visible = false;
+	}
 	hInstance = ((OS_Windows *)OS::get_singleton())->get_hinstance();
 
 	pressrc = 0;

platform/windows/display_server_windows.h

@@ -405,6 +405,7 @@ private:
 	bool drop_events = false;
 	bool in_dispatch_input_event = false;
 	bool console_visible = false;
+	bool own_console = false;
 
 	WNDCLASSEXW wc;