diff options
Diffstat (limited to 'shared-module/displayio/Group.c')
| -rw-r--r-- | shared-module/displayio/Group.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/shared-module/displayio/Group.c b/shared-module/displayio/Group.c index 885131d47..52b89b5ae 100644 --- a/shared-module/displayio/Group.c +++ b/shared-module/displayio/Group.c @@ -40,6 +40,18 @@ void common_hal_displayio_group_append(displayio_group_t* self, mp_obj_t layer) } self->children[self->size] = layer; self->size++; + self->needs_refresh = true; +} + +mp_obj_t common_hal_displayio_group_pop(displayio_group_t* self) { + if (self->size == 0) { + mp_raise_IndexError(translate("Group empty")); + } + self->size--; + mp_obj_t item = self->children[self->size]; + self->children[self->size] = NULL; + self->needs_refresh = true; + return item; } void displayio_group_construct(displayio_group_t* self, mp_obj_t* child_array, uint32_t max_size) { @@ -65,6 +77,9 @@ bool displayio_group_get_pixel(displayio_group_t *self, int16_t x, int16_t y, ui } bool displayio_group_needs_refresh(displayio_group_t *self) { + if (self->needs_refresh) { + return true; + } for (int32_t i = self->size - 1; i >= 0 ; i--) { mp_obj_t layer = self->children[i]; if (MP_OBJ_IS_TYPE(layer, &displayio_sprite_type)) { @@ -78,6 +93,7 @@ bool displayio_group_needs_refresh(displayio_group_t *self) { } void displayio_group_finish_refresh(displayio_group_t *self) { + self->needs_refresh = false; for (int32_t i = self->size - 1; i >= 0 ; i--) { mp_obj_t layer = self->children[i]; if (MP_OBJ_IS_TYPE(layer, &displayio_sprite_type)) { |