crash from pressing keys, related to textInput function in editor/ui.lua

editor/ui.lua

@@ -9,13 +9,13 @@ ui.theme = {
     text_dim    = {0.50, 0.50, 0.55}, -- low-key forgot
     accent      = {0.27, 0.52, 0.90}, -- low-key also forgot
     hover       = {0.22, 0.22, 0.25},
-    active      = {0.20, 0.40, 0.75}, -- i low-key forgot again
+    active      = {0.20, 0.40, 0.75}, -- i low-key forgot again, probably made for when a toggle or something is turned on
 }
 
 ui.events = {}
 ui._wasDown = false
 ui._focused = nil
-
+ui._inputs = {}
 
 
 function ui.emit(event)
@@ -67,4 +67,22 @@ function ui.text(x, y, w, h, text) -- expand on this, havent fully read the text
     love.graphics.printf(text, x, y + h/2-7, w, "center")
 end
 
+function ui.textInput(x,y,w,h,placeholder)
+    if ui.on(placeholder) then
+        ui.button(x,y,w,h,tostring(ui._inputs[ui._focused]))
+    else
+        ui.button(x,y,w,h,placeholder)
+    end
+end
+
+function love.textinput(t)
+    ui._inputs[ui._focused] = (tostring(ui._inputs[ui._focused] or "")) .. t
+end
+
+function love.keypressed(key)
+    if key == "backspace" then
+        ui._inputs[ui._focused] = ui._inputs[ui._focused]:sub(tostring(ui._inputs[ui._focused]):len())
+    end
+end
+
 return ui

main.lua

@@ -12,8 +12,9 @@ function love.draw()
     ui.panel(50,50,50,50)
     ui.button(100,200,100,100,"hello world")
     if ui.on("hello world") then -- detect if the button is pressed. 
-        ui.panel(250,250,250,250)
+        ui.panel(250,250,100,100)
     end
+    ui.textInput(50,400,100,100,"textInput")
 
     ui.flush() -- KEEP AT END
 end