ImGui.Core:combo

Available since: Gideros 2020.9
Class: ImGui

Description

Displays an item in a list of items in the form of a combo box.

(number), (bool) = ImGui:combo(label,currentitem,items)

Parameters

label: (string) the combo box label
currentitem: (number) the combo box current selected item
items: (table) the combo box list of items

Return values

Returns (number) the current item position in the items list
Returns (bool) whether the current item has been changed

Example

require "ImGui"

local imgui = ImGui.new()
stage:addChild(imgui)

local window01 = true
local fruits = {"apple", "banana", "orange", "apricot"}
local currentfruit = 2 -- orange (0 based table)

function onEnterFrame(e)
	-- 1 we start ImGui
	imgui:newFrame(e)
	-- 2 we add some child windows and build our GUI
	window01 = imgui:beginWindow("Window 01")
	if window01 then
		imgui:text("Hello Dear ImGui!")
		currentfruit, hasfruitchanged = imgui:combo("king of combo2", currentfruit, fruits)
		if hasfruitchanged then print(fruits[currentfruit+1]) end
	end
	-- 3 we end the frame and render to screen
	imgui:endFrame()
	imgui:render()
end

stage:addEventListener(Event.ENTER_FRAME, onEnterFrame)