2 files changed, 8 insertions, 2 deletions
diff --git a/platform/linuxbsd/x11/display_server_x11.cpp b/platform/linuxbsd/x11/display_server_x11.cpp
index d6eb101a68..d7ceef0e48 100644
--- a/platform/linuxbsd/x11/display_server_x11.cpp
+++ b/platform/linuxbsd/x11/display_server_x11.cpp
@@ -1735,7 +1735,7 @@ Vector<DisplayServer::WindowID> DisplayServerX11::get_window_list() const {
 	return ret;
 }
 
-DisplayServer::WindowID DisplayServerX11::create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect) {
+DisplayServer::WindowID DisplayServerX11::create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect, bool p_exclusive, WindowID p_transient_parent) {
 	_THREAD_SAFE_METHOD_
 
 	WindowID id = _create_window(p_mode, p_vsync_mode, p_flags, p_rect);
@@ -1749,6 +1749,12 @@ DisplayServer::WindowID DisplayServerX11::create_sub_window(WindowMode p_mode, V
 		rendering_device->screen_create(id);
 	}
 #endif
+
+	window_set_exclusive(id, p_exclusive);
+	if (p_transient_parent != INVALID_WINDOW_ID) {
+		window_set_transient(id, p_transient_parent);
+	}
+
 	return id;
 }
 
diff --git a/platform/linuxbsd/x11/display_server_x11.h b/platform/linuxbsd/x11/display_server_x11.h
index 341ba5f079..0cbfbe51ef 100644
--- a/platform/linuxbsd/x11/display_server_x11.h
+++ b/platform/linuxbsd/x11/display_server_x11.h
@@ -438,7 +438,7 @@ public:
 
 	virtual Vector<DisplayServer::WindowID> get_window_list() const override;
 
-	virtual WindowID create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i()) override;
+	virtual WindowID create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i(), bool p_exclusive = false, WindowID p_transient_parent = INVALID_WINDOW_ID) override;
 	virtual void show_window(WindowID p_id) override;
 	virtual void delete_sub_window(WindowID p_id) override;