From 626296b6136f1a169522138bae00a1bf7b8b8f1e Mon Sep 17 00:00:00 2001
From: Neradoc <neraOnGit@ri1.fr>
Date: Thu, 14 Jul 2022 11:24:20 +0200
Subject: [PATCH] implement root_group in framebufferio.FramebufferDisplay

---
 shared-bindings/framebufferio/FramebufferDisplay.c | 14 ++++++++++++++
 shared-bindings/framebufferio/FramebufferDisplay.h |  1 +
 shared-module/framebufferio/FramebufferDisplay.c   |  4 ++++
 3 files changed, 19 insertions(+)

diff --git a/shared-bindings/framebufferio/FramebufferDisplay.c b/shared-bindings/framebufferio/FramebufferDisplay.c
index 6af8f16ce8..c3eaced598 100644
--- a/shared-bindings/framebufferio/FramebufferDisplay.c
+++ b/shared-bindings/framebufferio/FramebufferDisplay.c
@@ -353,6 +353,19 @@ STATIC mp_obj_t framebufferio_framebufferdisplay_obj_fill_row(size_t n_args, con
 }
 MP_DEFINE_CONST_FUN_OBJ_KW(framebufferio_framebufferdisplay_fill_row_obj, 1, framebufferio_framebufferdisplay_obj_fill_row);
 
+//|     root_group: Group
+//|     """The root group on the display."""
+//|
+//|
+STATIC mp_obj_t framebufferio_framebufferdisplay_obj_get_root_group(mp_obj_t self_in) {
+    framebufferio_framebufferdisplay_obj_t *self = native_display(self_in);
+    return common_hal_framebufferio_framebufferdisplay_get_root_group(self);
+}
+MP_DEFINE_CONST_FUN_OBJ_1(framebufferio_framebufferdisplay_get_root_group_obj, framebufferio_framebufferdisplay_obj_get_root_group);
+
+MP_PROPERTY_GETTER(framebufferio_framebufferdisplay_root_group_obj,
+    (mp_obj_t)&framebufferio_framebufferdisplay_get_root_group_obj);
+
 STATIC const mp_rom_map_elem_t framebufferio_framebufferdisplay_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&framebufferio_framebufferdisplay_show_obj) },
     { MP_ROM_QSTR(MP_QSTR_refresh), MP_ROM_PTR(&framebufferio_framebufferdisplay_refresh_obj) },
@@ -367,6 +380,7 @@ STATIC const mp_rom_map_elem_t framebufferio_framebufferdisplay_locals_dict_tabl
     { MP_ROM_QSTR(MP_QSTR_height), MP_ROM_PTR(&framebufferio_framebufferdisplay_height_obj) },
     { MP_ROM_QSTR(MP_QSTR_rotation), MP_ROM_PTR(&framebufferio_framebufferdisplay_rotation_obj) },
     { MP_ROM_QSTR(MP_QSTR_framebuffer), MP_ROM_PTR(&framebufferio_framebufferframebuffer_obj) },
+    { MP_ROM_QSTR(MP_QSTR_root_group), MP_ROM_PTR(&framebufferio_framebufferdisplay_root_group_obj) },
 };
 STATIC MP_DEFINE_CONST_DICT(framebufferio_framebufferdisplay_locals_dict, framebufferio_framebufferdisplay_locals_dict_table);
 
diff --git a/shared-bindings/framebufferio/FramebufferDisplay.h b/shared-bindings/framebufferio/FramebufferDisplay.h
index f96b47eb55..8b262cf727 100644
--- a/shared-bindings/framebufferio/FramebufferDisplay.h
+++ b/shared-bindings/framebufferio/FramebufferDisplay.h
@@ -63,5 +63,6 @@ bool common_hal_framebufferio_framebufferdisplay_set_brightness(framebufferio_fr
 
 mp_obj_t common_hal_framebufferio_framebufferdisplay_framebuffer(framebufferio_framebufferdisplay_obj_t *self);
 
+mp_obj_t common_hal_framebufferio_framebufferdisplay_get_root_group(framebufferio_framebufferdisplay_obj_t *self);
 
 #endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_FRAMEBUFFERDISPLAY_H
diff --git a/shared-module/framebufferio/FramebufferDisplay.c b/shared-module/framebufferio/FramebufferDisplay.c
index d184d3b8c2..6f9d9ec6ad 100644
--- a/shared-module/framebufferio/FramebufferDisplay.c
+++ b/shared-module/framebufferio/FramebufferDisplay.c
@@ -372,3 +372,7 @@ void framebufferio_framebufferdisplay_reset(framebufferio_framebufferdisplay_obj
         release_framebufferdisplay(self);
     }
 }
+
+mp_obj_t common_hal_framebufferio_framebufferdisplay_get_root_group(framebufferio_framebufferdisplay_obj_t *self) {
+    return self->core.current_group;
+}