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defmodule Chessh.SSH.Client.Menu do
alias Chessh.Utils
alias IO.ANSI
require Logger
defmodule State do
defstruct dy: 0,
dx: 0,
tui_pid: nil,
selected: 0
end
use Chessh.SSH.Client.Screen
def init([%State{} = state | _]) do
{:ok, state}
end
@logo " Simponic's
dP MP\"\"\"\"\"\"`MM MP\"\"\"\"\"\"`MM M\"\"MMMMM\"\"MM
88 M mmmmm..M M mmmmm..M M MMMMM MM
.d8888b. 88d888b. .d8888b. M. `YM M. `YM M `M
88' `\"\" 88' `88 88ooood8 MMMMMMM. M MMMMMMM. M M MMMMM MM
88. ... 88 88 88. ... M. .MMM' M M. .MMM' M M MMMMM MM
`88888P' dP dP `88888P' Mb. .dM Mb. .dM M MMMMM MM
MMMMMMMMMMM MMMMMMMMMMM MMMMMMMMMMMM"
# @options [
# {"Option 1", {Chessh.SSH.Client.Board, [%Chessh.SSH.Client.Board.State{}]}},
# {"Option 2", {Chessh.SSH.Client.Board, [%Chessh.SSH.Client.Board.State{}]}}
# ]
@options [
{"Option 1", {}},
{"Option 2", {}},
{"Option 3", {}}
]
def handle_info({:render, width, height}, %State{} = state) do
render(width, height, state)
{:noreply, state}
end
def handle_info({:input, width, height, action}, %State{selected: selected} = state) do
new_state =
case(action) do
:up ->
%State{
state
| selected: wrap_around(selected, -1, length(@options))
}
:down ->
%State{state | selected: wrap_around(selected, 1, length(@options))}
# :return ->
# {_, new_state} = Enum.at(@options, selected)
# new_state
_ ->
state
end
render(width, height, new_state)
{:noreply, new_state}
end
def render(width, height, %State{tui_pid: tui_pid, dy: dy, dx: dx, selected: selected}) do
text = String.split(@logo, "\n")
{logo_width, logo_height} = Utils.text_dim(@logo)
{y, x} = center_rect({logo_width, logo_height + length(text)}, {width, height})
rendered =
Enum.flat_map(
Enum.zip(1..length(text), text),
fn {i, line} ->
[
ANSI.cursor(y + i + dy, x + dx),
line
]
end
) ++
Enum.flat_map(
Enum.zip(0..(length(@options) - 1), @options),
fn {i, {option, _}} ->
[
ANSI.cursor(y + length(text) + i + dy, x + dx),
if(i == selected, do: ANSI.format([:light_cyan, "* #{option}"]), else: option)
]
end
) ++ [ANSI.home()]
send(tui_pid, {:send_data, rendered})
end
defp wrap_around(index, delta, length) do
calc = index + delta
if(calc < 0, do: length, else: 0) + rem(calc, length)
end
end
|
