Fix Floating Game Window Title

editor/debugger/script_editor_debugger.cpp

@@ -826,6 +826,9 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, uint64_t p_thread
 		}
 	} else if (p_msg == "evaluation_return") {
 		expression_evaluator->add_value(p_data);
+	} else if (p_msg == "window:title") {
+		ERR_FAIL_COND(p_data.size() != 1);
+		emit_signal(SNAME("remote_window_title_changed"), p_data[0]);
 	} else {
 		int colon_index = p_msg.find_char(':');
 		ERR_FAIL_COND_MSG(colon_index < 1, "Invalid message received");
@@ -1784,6 +1787,7 @@ void ScriptEditorDebugger::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("remote_object_property_updated", PropertyInfo(Variant::INT, "id"), PropertyInfo(Variant::STRING, "property")));
 	ADD_SIGNAL(MethodInfo("remote_tree_updated"));
 	ADD_SIGNAL(MethodInfo("remote_tree_select_requested", PropertyInfo(Variant::NODE_PATH, "path")));
+	ADD_SIGNAL(MethodInfo("remote_window_title_changed", PropertyInfo(Variant::STRING, "title")));
 	ADD_SIGNAL(MethodInfo("output", PropertyInfo(Variant::STRING, "msg"), PropertyInfo(Variant::INT, "level")));
 	ADD_SIGNAL(MethodInfo("stack_dump", PropertyInfo(Variant::ARRAY, "stack_dump")));
 	ADD_SIGNAL(MethodInfo("stack_frame_vars", PropertyInfo(Variant::INT, "num_vars")));

editor/plugins/embedded_process.cpp

@@ -145,6 +145,10 @@ bool EmbeddedProcess::is_embedding_completed() {
 	return embedding_completed;
 }
 
+int EmbeddedProcess::get_embedded_pid() const {
+	return current_process_id;
+}
+
 void EmbeddedProcess::embed_process(OS::ProcessID p_pid) {
 	if (!window) {
 		return;

editor/plugins/embedded_process.h

@@ -82,6 +82,7 @@ public:
 	Rect2i get_screen_embedded_window_rect();
 	bool is_embedding_in_progress();
 	bool is_embedding_completed();
+	int get_embedded_pid() const;
 
 	EmbeddedProcess();
 	~EmbeddedProcess();

editor/plugins/game_view_plugin.cpp

@@ -32,7 +32,9 @@
 
 #include "core/config/project_settings.h"
 #include "core/debugger/debugger_marshalls.h"
+#include "core/string/translation_server.h"
 #include "editor/debugger/editor_debugger_node.h"
+#include "editor/debugger/script_editor_debugger.h"
 #include "editor/editor_command_palette.h"
 #include "editor/editor_feature_profile.h"
 #include "editor/editor_interface.h"
@@ -203,6 +205,12 @@ void GameView::_sessions_changed() {
 	}
 
 	_update_debugger_buttons();
+
+	if (embedded_process->is_embedding_completed()) {
+		if (!embedded_script_debugger || !embedded_script_debugger->is_session_active() || embedded_script_debugger->get_remote_pid() != embedded_process->get_embedded_pid()) {
+			_attach_script_debugger();
+		}
+	}
 }
 
 void GameView::_instance_starting_static(int p_idx, List<String> &r_arguments) {
@@ -215,6 +223,11 @@ void GameView::_instance_starting(int p_idx, List<String> &r_arguments) {
 		return;
 	}
 	if (p_idx == 0 && embed_on_play && make_floating_on_play && !window_wrapper->get_window_enabled() && EditorNode::get_singleton()->is_multi_window_enabled()) {
+		// Set the Floating Window default title. Always considered in DEBUG mode, same as in Window::set_title.
+		String appname = GLOBAL_GET("application/config/name");
+		appname = vformat("%s (DEBUG)", TranslationServer::get_singleton()->translate(appname));
+		window_wrapper->set_window_title(appname);
+
 		window_wrapper->restore_window_from_saved_position(floating_window_rect, floating_window_screen, floating_window_screen_rect);
 	}
 
@@ -255,6 +268,8 @@ void GameView::_stop_pressed() {
 		return;
 	}
 
+	_detach_script_debugger();
+
 	EditorNode::get_singleton()->set_unfocused_low_processor_usage_mode_enabled(true);
 	embedded_process->reset();
 	_update_ui();
@@ -272,6 +287,7 @@ void GameView::_stop_pressed() {
 }
 
 void GameView::_embedding_completed() {
+	_attach_script_debugger();
 	_update_ui();
 }
 
@@ -563,6 +579,36 @@ void GameView::_update_floating_window_settings() {
 	}
 }
 
+void GameView::_attach_script_debugger() {
+	if (embedded_script_debugger) {
+		_detach_script_debugger();
+	}
+
+	embedded_script_debugger = nullptr;
+	for (int i = 0; EditorDebuggerNode::get_singleton()->get_debugger(i); i++) {
+		ScriptEditorDebugger *script_debugger = EditorDebuggerNode::get_singleton()->get_debugger(i);
+		if (script_debugger->is_session_active() && script_debugger->get_remote_pid() == embedded_process->get_embedded_pid()) {
+			embedded_script_debugger = script_debugger;
+			break;
+		}
+	}
+
+	if (embedded_script_debugger) {
+		embedded_script_debugger->connect("remote_window_title_changed", callable_mp(this, &GameView::_remote_window_title_changed));
+	}
+}
+
+void GameView::_detach_script_debugger() {
+	if (embedded_script_debugger) {
+		embedded_script_debugger->disconnect("remote_window_title_changed", callable_mp(this, &GameView::_remote_window_title_changed));
+		embedded_script_debugger = nullptr;
+	}
+}
+
+void GameView::_remote_window_title_changed(String title) {
+	window_wrapper->set_window_title(title);
+}
+
 void GameView::_update_arguments_for_instance(int p_idx, List<String> &r_arguments) {
 	if (p_idx != 0 || !embed_on_play || !DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_WINDOW_EMBEDDING)) {
 		return;

editor/plugins/game_view_plugin.h

@@ -40,6 +40,7 @@
 class EmbeddedProcess;
 class VSeparator;
 class WindowWrapper;
+class ScriptEditorDebugger;
 
 class GameViewDebugger : public EditorDebuggerPlugin {
 	GDCLASS(GameViewDebugger, EditorDebuggerPlugin);
@@ -101,6 +102,7 @@ class GameView : public VBoxContainer {
 	bool is_feature_enabled = true;
 	int active_sessions = 0;
 	int screen_index_before_start = -1;
+	ScriptEditorDebugger *embedded_script_debugger = nullptr;
 
 	bool embed_on_play = true;
 	bool make_floating_on_play = true;
@@ -162,6 +164,9 @@ class GameView : public VBoxContainer {
 
 	void _window_before_closing();
 	void _update_floating_window_settings();
+	void _attach_script_debugger();
+	void _detach_script_debugger();
+	void _remote_window_title_changed(String title);
 
 protected:
 	void _notification(int p_what);

scene/main/window.cpp

@@ -31,6 +31,7 @@
 #include "window.h"
 
 #include "core/config/project_settings.h"
+#include "core/debugger/engine_debugger.h"
 #include "core/input/shortcut.h"
 #include "core/string/translation_server.h"
 #include "scene/gui/control.h"
@@ -306,6 +307,14 @@ void Window::set_title(const String &p_title) {
 		}
 	}
 	emit_signal("title_changed");
+
+#ifdef DEBUG_ENABLED
+	if (EngineDebugger::get_singleton() && window_id == DisplayServer::MAIN_WINDOW_ID && !Engine::get_singleton()->is_project_manager_hint()) {
+		Array arr;
+		arr.push_back(tr_title);
+		EngineDebugger::get_singleton()->send_message("window:title", arr);
+	}
+#endif
 }
 
 String Window::get_title() const {