[macOS] Add `create_instance` function to spawn editor copies.

[macOS] Modify `create_project` function to detect and run app bundles using NSWorkspace to ensure app window is registered and activated correctly.

3 files changed, 8 insertions, 14 deletions

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 9edf0a24fc..bb4a05efba 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -3059,7 +3059,7 @@ void EditorNode::_discard_changes(const String &p_str) {
 			args.push_back(exec.get_base_dir());
 			args.push_back("--project-manager");
 
-			Error err = OS::get_singleton()->create_process(exec, args);
+			Error err = OS::get_singleton()->create_instance(args);
 			ERR_FAIL_COND(err);
 		} break;
 	}
@@ -5420,8 +5420,7 @@ void EditorNode::_global_menu_new_window(const Variant &p_tag) {
 	if (OS::get_singleton()->get_main_loop()) {
 		List<String> args;
 		args.push_back("-p");
-		String exec = OS::get_singleton()->get_executable_path();
-		OS::get_singleton()->create_process(exec, args);
+		OS::get_singleton()->create_instance(args);
 	}
 }
 
diff --git a/editor/editor_run.cpp b/editor/editor_run.cpp
index 8a7ec9aa82..d7daa0c750 100644
--- a/editor/editor_run.cpp
+++ b/editor/editor_run.cpp
@@ -236,7 +236,7 @@ Error EditorRun::run(const String &p_scene, const String &p_custom_args, const L
 	int instances = EditorSettings::get_singleton()->get_project_metadata("debug_options", "run_debug_instances", 1);
 	for (int i = 0; i < instances; i++) {
 		OS::ProcessID pid = 0;
-		Error err = OS::get_singleton()->create_process(exec, args, &pid);
+		Error err = OS::get_singleton()->create_instance(args, &pid);
 		ERR_FAIL_COND_V(err, err);
 		pids.push_back(pid);
 	}
diff --git a/editor/project_manager.cpp b/editor/project_manager.cpp
index dc35e01a56..c7ab91a49b 100644
--- a/editor/project_manager.cpp
+++ b/editor/project_manager.cpp
@@ -1304,8 +1304,7 @@ void ProjectList::update_dock_menu() {
 void ProjectList::_global_menu_new_window(const Variant &p_tag) {
 	List<String> args;
 	args.push_back("-p");
-	String exec = OS::get_singleton()->get_executable_path();
-	OS::get_singleton()->create_process(exec, args);
+	OS::get_singleton()->create_instance(args);
 }
 
 void ProjectList::_global_menu_open_project(const Variant &p_tag) {
@@ -1315,8 +1314,7 @@ void ProjectList::_global_menu_open_project(const Variant &p_tag) {
 		String conf = _projects[idx].path.plus_file("project.godot");
 		List<String> args;
 		args.push_back(conf);
-		String exec = OS::get_singleton()->get_executable_path();
-		OS::get_singleton()->create_process(exec, args);
+		OS::get_singleton()->create_instance(args);
 	}
 }
 
@@ -2062,8 +2060,7 @@ void ProjectManager::_open_selected_projects() {
 			args.push_back("--single-window");
 		}
 
-		String exec = OS::get_singleton()->get_executable_path();
-		Error err = OS::get_singleton()->create_process(exec, args);
+		Error err = OS::get_singleton()->create_instance(args);
 		ERR_FAIL_COND(err);
 	}
 
@@ -2148,8 +2145,7 @@ void ProjectManager::_run_project_confirm() {
 			args.push_back("--disable-crash-handler");
 		}
 
-		String exec = OS::get_singleton()->get_executable_path();
-		Error err = OS::get_singleton()->create_process(exec, args);
+		Error err = OS::get_singleton()->create_instance(args);
 		ERR_FAIL_COND(err);
 	}
 }
@@ -2278,8 +2274,7 @@ void ProjectManager::_language_selected(int p_id) {
 
 void ProjectManager::_restart_confirm() {
 	List<String> args = OS::get_singleton()->get_cmdline_args();
-	String exec = OS::get_singleton()->get_executable_path();
-	Error err = OS::get_singleton()->create_process(exec, args);
+	Error err = OS::get_singleton()->create_instance(args);
 	ERR_FAIL_COND(err);
 
 	_dim_window();