Dropdown List

obj:dropdown

Property	Value	Default	Description
options	string	""	List of items separated by \n
val	int16	0	The number of the selected item
text	string	""	Read-only The text of the selected item
direction	byte	0	Direction where the dropdown expands: 0 = down, 1 = up, 2 = left, 3 = right Note: up and down are superseeded by the screen size.
show_selected	bool	true	Show the selected option or a static text
max_height	int16	3/4 of screen height	The maximum height of the open drop-down list

Method	Parameters	Description
open		To manually open the drop-down list
close		To manually close the drop-down list

To change the currently selected item, use the val attribute.
To change the items in the list, use the options attribute.

Example jsonl

{"page":1,"id":10,"obj":"dropdown","x":10,"y":205,"w":105,"h":30,"options":"Apple\nBanana\nOrange\nMelon"}

When the item is changed both val and text of the newly selected item are send out accompanied by the change event.

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Last update: 2024-04-26