3.3.7. Dropdown¶

The Dropdown control is often used to select a specific value among the multiple attribute options of an object.

dropdown_object.set_options(*options)¶

Example description:
Description:	Sets the content of the dropdown box, which is a list of strings. The number of items in the list is the number of dropdown box options.
Parameters:	args (string*) – Options in the dropdown box
Returns:	None
Example:	`my_Dropdown.set_options('RoboMaser EP', 'People')`
	There are two options in the dropdown box, `RoboMaster EP` and `People`

dropdown_object.set_background_color(r, g, b, a)¶

Example description:
Description:	Sets the background color of the selected item in the dropdown box
Parameters:	r (int) – The r value of background color, whose range is [0, 255] g (int) – The g value of the background color, whose range is [0, 255] b (int) – The b value of the background color, whose range is [0, 255] a (int) – The transparency of the background color, whose range is [0, 255]
Returns:	None
Example:	`my_DropDown.set_background_color(200, 200, 200, 230)`
	Set the rgb value of the background color of selected items in the dropdown box to (200, 200, 200) and the transparency to 230

dropdown_object.set_arrow_color(r, g, b, a)¶

Example description:
Description:	Sets the color of the selection arrow in the dropdown box
Parameters:	r (int) – The r value of arrow color, whose range is [0, 255] g (int) – The g value of arrow color, whose range is [0, 255] b (int) – The b value of arrow color, whose range is [0, 255] a (int) – The transparency of arrow color, whose range is [0, 255]
Returns:	None
Example:	`my_Dropdown.set_arrow_color(120, 120, 120, 200)`
	Set the rgb value of the color of the selection arrow in the dropdown box to (120, 120, 120) and the transparency to 200

dropdown_object.set_item_background_color(r, g, b, a)¶

Example description:
Description:	Sets the background color of unselected items in the dropdown box
Parameters:	r (int) – The r value of background color, whose range is [0, 255] g (int) – The g value of the background color, whose range is [0, 255] b (int) – The b value of the background color, whose range is [0, 255] a (int) – The transparency of the background color, whose range is [0, 255]
Returns:	None
Example:	`my_DropDown.set_item_background_color(200, 200, 200, 230)`
	Set the rgb value of the background color of unselected items in the dropdown box to (200, 200, 200) and the transparency to 230

dropdown_object.set_item_checkmark_color(r, g, b, a)¶

Example description:
Description:	Sets the color of the selection icon in the dropdown box
Parameters:	r (int) – The r value of checkmark color, whose range is [0, 255] g (int) – The g value of checkmark color, whose range is [0, 255] b (int) – The b value of checkmark color, whose range is [0, 255] a (int) – The transparency of checkmark color, whose range is [0, 255]
Returns:	None
Example:	`my_DropDown.set_item_checkmark_color(200, 200, 200, 230)`
	Set the rgb value of the checkmark color in the dropdown box to (200, 200, 200) and the transparency to 230