--single-window is passed through project manager.

This means you can start godot with --single-window

2 files changed, 7 insertions, 0 deletions

diff --git a/core/os/os.cpp b/core/os/os.cpp
index 89ba73b35e..dc3fe29dca 100644
--- a/core/os/os.cpp
+++ b/core/os/os.cpp
@@ -146,6 +146,10 @@ bool OS::is_stdout_verbose() const {
 	return _verbose_stdout;
 }
 
+bool OS::is_single_window() const {
+	return _single_window;
+}
+
 bool OS::is_stdout_debug_enabled() const {
 	return _debug_stdout;
 }
diff --git a/core/os/os.h b/core/os/os.h
index 55b21266fc..f585483300 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -52,6 +52,7 @@ class OS {
 	int low_processor_usage_mode_sleep_usec = 10000;
 	bool _verbose_stdout = false;
 	bool _debug_stdout = false;
+	bool _single_window = false;
 	String _local_clipboard;
 	int _exit_code = EXIT_FAILURE; // unexpected exit is marked as failure
 	int _orientation;
@@ -224,6 +225,8 @@ public:
 	void set_stdout_enabled(bool p_enabled);
 	void set_stderr_enabled(bool p_enabled);
 
+	bool is_single_window() const;
+
 	virtual void disable_crash_handler() {}
 	virtual bool is_disable_crash_handler() const { return false; }
 	virtual void initialize_debugging() {}