Pass window exclusive and transient properties for subwindow creation

On Windows this allows to avoid having to change the owner of the window
after it has been created, which in rare circumstances may cause the
window to bug out.

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;