Small Dropdown fix

examples/graphs.lua

@@ -0,0 +1,40 @@
+local basalt = require("basalt")
+
+-- This is a simple example of a line chart. It shows how to create a line chart and add points to it.
+local main = basalt.getMainFrame()
+local graph = main:addLineChart()--or addBarChart()
+
+-- Add two series to the graph
+graph:addSeries("red", " ", colors.red, colors.red, 5)
+graph:addSeries("blue", " ", colors.blue, colors.blue, 5)
+
+-- Add some points to the red series
+graph:addPoint("red", 1)
+graph:addPoint("red", 12)
+graph:addPoint("red", 50)
+graph:addPoint("red", 20)
+graph:addPoint("red", 60)
+
+basalt.schedule(function()
+    while true do
+        sleep(2)
+        graph:addPoint("red", math.random(1, 100))
+        graph:addPoint("blue", math.random(1, 100))
+    end
+end)
+
+-- :focusSeries("red") makes the red series more important in the rendering order
+-- :changeSeriesVisibility("red", false) changes the visibility of the red series without removing the ability to add new points
+
+local vis = true
+main:addButton()
+    :setPosition(40, 1)
+    :setText("Focus red")
+    :onClick(function()
+        --vis = not vis
+        --graph:changeSeriesVisibility("red", vis)
+        graph:focusSeries("red")
+    end)
+
+basalt.run()
+