-- Cursor in the file dialog is always at end of input text.
-- Cache where we start rendering the input from
-- (for narrow devices)
File_dialog_input_draw_suffix = ''

refresh_file_dialog_input_start = function()
	local len = utf8.len(File_dialog_input_text)
	for start=0,len do
		local s = File_dialog_input_text:sub(start)
		if App.width(s) < Safe_width-Menu_left-15-15 then
			File_dialog_input_draw_suffix = s
			return
		end
	end
	assert(false, "refresh_file_dialog_input_start isn't working right")
end

refresh_file_dialog_start = function()
end

-- Cursor in the file dialog is always at end of input text.
-- Cache where we start rendering the input from
-- (for narrow devices)
File_dialog_input_start_suffix = ''

reset_file_dialog_state = function()
	Show_file_dialog = false
	File_dialog_callback = nil
	File_dialog_input_text = ''
end

File_dialog_input_text = ''

text_input_on_file_dialog = function(t)
	-- the file dialog input only supports appending
	File_dialog_input_text = File_dialog_input_text..t
	refresh_file_dialog_input_start()
end

keychord_press_on_file_dialog = function(chord, key)
	if chord == 'escape' then
		reset_file_dialog_state()
	elseif chord == 'return' then
		File_dialog_callback(File_dialog_input_text)
		reset_file_dialog_state()
	elseif chord == 'backspace' then
		local len = utf8.len(File_dialog_input_text)
		local byte_offset = Text.offset(File_dialog_input_text, len)
		File_dialog_input_text = string.sub(File_dialog_input_text, 1, byte_offset-1)
		refresh_file_dialog_input_start()
	end
end

draw_cursor = function(x, y, line_height)
	-- blink every 0.5s
	if math.floor(Cursor_time*2)%2 == 0 then
		App.color(Cursor_color)
		love.graphics.rectangle('fill', x,y, 3,line_height)
	end
end

draw_file_dialog_input = function()
	-- draw a suffix to ensure the cursor is visible
	App.color(Normal_color)
	love.graphics.print(File_dialog_input_draw_suffix, Menu_left+15, Menu_top+5)
	local w = App.width(File_dialog_input_draw_suffix)
	draw_cursor(Menu_left+15+w, Menu_top+5, Current_pane.editor_state.line_height)
end

	draw_file_dialog_input()

				Show_file_dialog = false
				File_dialog_callback = nil

				reset_file_dialog_state()

				if filename == '' then
					-- clear filename
					Current_pane.filename = nil
					return
				end

	if Show_code then

	if Show_file_dialog then
		text_input_on_file_dialog(t)
	elseif Show_code then

		Show_file_dialog = false

		keychord_press_on_file_dialog(chord, key)