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-- license:BSD-3-Clause
-- copyright-holders:Vas Crabb
-- Constants
local MENU_TYPES = { HELPERS = 0, ADD = 1, EDIT = 2, INPUT = 3 }
-- Globals
local commonui
local helpers
local menu_stack
local helpers_start_helper -- really for the helpers menu, but have to be declared local before edit menu functions
local helpers_item_first_helper
local helpers_selection_save
-- Helpers
local function new_helper()
return {
binding = nil,
bindingcfg = '',
axis = { port = nil, mask = nil, type = nil, field = nil },
button = { port = nil, mask = nil, type = nil, field = nil } }
end
local function input_display_name(input)
if input.field then
return input.field.name
elseif input.port then
return _p('plugin-offscreenreload', 'n/a')
else
return _p('plugin-offscreenreload', '[not set]')
end
end
-- Input menu
local input_menu
local input_start_field
local function start_input_menu(handler, title, filter, start_field)
local function action(field)
if field then
handler(field)
end
table.remove(menu_stack)
input_menu = nil
input_start_field = nil
end
if not commonui then
commonui = require('commonui')
end
input_menu = commonui.input_selection_menu(action, title, filter)
input_start_field = start_field
table.insert(menu_stack, MENU_TYPES.INPUT)
end
local function handle_input(index, action)
return input_menu:handle(index, action)
end
local function populate_input()
return input_menu:populate(input_start_field)
end
-- Add/edit menus
local edit_current_helper
local edit_start_selection
local edit_menu_active
local edit_items
local edit_item_delete
local edit_item_exit
local edit_switch_poller
local function current_helper_complete()
if not edit_current_helper.binding then
return false
end
if not edit_current_helper.axis.field then
return false
end
if not edit_current_helper.button.field then
return false
end
return true
end
local function handle_edit_items(index, event)
if edit_switch_poller then
if edit_switch_poller:poll() then
if edit_switch_poller.sequence then
edit_current_helper.binding = edit_switch_poller.sequence
edit_current_helper.bindingcfg = manager.machine.input:seq_to_tokens(edit_switch_poller.sequence)
end
edit_switch_poller = nil
return true
end
return false
end
local command = edit_items[index]
if (event ~= 'select') or (not command) then
return false
elseif command.action == 'binding' then
if not commonui then
commonui = require('commonui')
end
edit_switch_poller = commonui.switch_polling_helper()
return true
elseif command.action == 'axis' then
local function handler(field)
local device = field.device.tag
local player = field.player
local guessbutton = false
if (not edit_current_helper.axis) or (not edit_current_helper.axis.field) then
guessbutton = true
elseif (edit_current_helper.axis.field.device.tag ~= field) or (edit_current_helper.axis.field.player ~= player) then
guessbutton = true
end
edit_current_helper.axis.port = field.port.tag
edit_current_helper.axis.mask = field.mask
edit_current_helper.axis.type = field.type
edit_current_helper.axis.field = field
if guessbutton then
local ioport = manager.machine.ioport
local b1type = ioport:token_to_input_type('P1_BUTTON1')
local done = false
for i, port in pairs(ioport.ports) do
if port.device.tag == device then
for j, f in pairs(port.fields) do
if (f.player == player) and (f.type == b1type) then
edit_current_helper.button.port = f.port.tag
edit_current_helper.button.mask = f.mask
edit_current_helper.button.type = f.type
edit_current_helper.button.field = f
done = true
break
end
end
end
if done then
break
end
end
end
end
local function filter(field)
if (not field.is_analog) or field.analog_wraps then
return false
else
return true
end
end
start_input_menu(handler, _p('plugin-offscreenreload', 'Set Axis'), filter, edit_current_helper.axis.field)
edit_start_selection = index
return true
elseif command.action == 'button' then
local function handler(field)
edit_current_helper.button.port = field.port.tag
edit_current_helper.button.mask = field.mask
edit_current_helper.button.type = field.type
edit_current_helper.button.field = field
end
local function filter(field)
if field.is_analog or field.is_toggle then
return false
elseif (field.type_class == 'config') or (field.type_class == 'dipswitch') then
return false
else
return true
end
end
start_input_menu(handler, _p('plugin-offscreenreload', 'Set Trigger'), filter, edit_current_helper.axis.button)
edit_start_selection = index
return true
end
return false
end
local function add_edit_items(items)
edit_items = { }
local input = manager.machine.input
local binding = edit_current_helper.binding
local activation = binding and input:seq_name(binding) or _p('plugin-offscreenreload', '[not set]')
table.insert(items, { _p('plugin-offscreenreload', 'Reload combination'), activation, edit_switch_poller and 'lr' or '' })
edit_items[#items] = { action = 'binding' }
if not (edit_start_selection or edit_menu_active) then
edit_start_selection = #items
end
edit_menu_active = true
local axisname = input_display_name(edit_current_helper.axis)
table.insert(items, { _p('plugin-offscreenreload', 'Axis input'), axisname, '' })
edit_items[#items] = { action = 'axis' }
local buttonname = input_display_name(edit_current_helper.button)
table.insert(items, { _p('plugin-offscreenreload', 'Trigger input'), buttonname, '' })
edit_items[#items] = { action = 'button' }
end
local function handle_add(index, event)
local handled, selection = handle_edit_items(index, event)
if handled then
return true, selection
elseif event == 'back' then
edit_current_helper = nil
edit_menu_active = false
edit_items = nil
table.remove(menu_stack)
return true, selection
elseif (index == edit_item_exit) and (event == 'select') then
if current_helper_complete() then
table.insert(helpers, edit_current_helper)
helpers_start_helper = #helpers
end
edit_current_helper = nil
edit_menu_active = false
edit_items = nil
table.remove(menu_stack)
return true, selection
end
return false, selection
end
local function handle_edit(index, event)
local handled, selection = handle_edit_items(index, event)
if handled then
return true, selection
elseif (index == edit_item_delete) and (event == 'select') then
local helper = helpers_selection_save - helpers_item_first_helper + 1
table.remove(helpers, helper)
if helper > #helpers then
helpers_selection_save = helpers_selection_save - 1
end
edit_current_macro = nil
edit_menu_active = false
edit_items = nil
table.remove(menu_stack)
return true, selection
elseif (event == 'back') or ((index == edit_item_exit) and (event == 'select')) then
edit_current_helper = nil
edit_menu_active = false
edit_items = nil
table.remove(menu_stack)
return true, selection
end
return false, selection
end
local function populate_add()
local items = { }
table.insert(items, { _p('plugin-offscreenreload', 'Add Reload Helper'), '', 'off' })
table.insert(items, { '---', '', '' })
add_edit_items(items)
table.insert(items, { '---', '', '' })
if current_helper_complete() then
table.insert(items, { _p('plugin-offscreenreload', 'Create'), '', '' })
else
table.insert(items, { _p('plugin-offscreenreload', 'Cancel'), '', '' })
end
edit_item_exit = #items
local selection = edit_start_selection
edit_start_selection = nil
if edit_switch_poller then
return edit_switch_poller:overlay(items, selection, '')
else
return items, selection, 'lrrepeat'
end
end
local function populate_edit()
local items = { }
table.insert(items, { _p('plugin-offscreenreload', 'Edit Reload Helper'), '', 'off' })
table.insert(items, { '---', '', '' })
add_edit_items(items)
table.insert(items, { '---', '', '' })
table.insert(items, { _p('plugin-offscreenreload', 'Delete reload helper'), '', '' })
edit_item_delete = #items
table.insert(items, { '---', '', '' })
table.insert(items, { _p('plugin-offscreenreload', 'Done'), '', '' })
edit_item_exit = #items
local selection = edit_start_selection
edit_start_selection = nil
if edit_switch_poller then
return edit_switch_poller:overlay(items, selection, 'lrrepeat')
else
return items, selection, 'lrrepeat'
end
end
-- Helpers menu
local helpers_item_add
function handle_helpers(index, event)
if index == helpers_item_add then
if event == 'select' then
edit_current_helper = new_helper()
helpers_selection_save = index
table.insert(menu_stack, MENU_TYPES.ADD)
return true
end
elseif index >= helpers_item_first_helper then
local helper = index - helpers_item_first_helper + 1
if event == 'select' then
edit_current_helper = helpers[helper]
helpers_selection_save = index
table.insert(menu_stack, MENU_TYPES.EDIT)
return true
elseif event == 'clear' then
table.remove(helpers, helper)
if #helpers > 0 then
helpers_selection_save = index
if helper > #helpers then
helpers_selection_save = helpers_selection_save - 1
end
end
return true
end
end
return false
end
local function populate_helpers()
local input = manager.machine.input
local ioport = manager.machine.ioport
local items = { }
table.insert(items, { _p('plugin-offscreenreload', 'Off-Screen Reload Helper'), '', 'off' })
table.insert(items, { string.format(_p('plugin-offscreenreload', 'Press %s to delete'), manager.ui:get_general_input_setting(ioport:token_to_input_type('UI_CLEAR'))), '', 'off' })
table.insert(items, { '---', '', '' })
helpers_item_first_helper = #items + 1
if #helpers > 0 then
for index, helper in ipairs(helpers) do
local bindingname = input:seq_name(helper.binding)
local axisname = input_display_name(helper.axis)
local buttonname = input_display_name(helper.button)
table.insert(items, { string.format(_p('plugin-offscreenreload', '%s/%s'), axisname, buttonname), bindingname, '' })
if helpers_start_helper == index then
helpers_selection_save = #items
end
end
else
table.insert(items, { _p('plugin-offscreenreload', '[no reload helpers]'), '', 'off' })
end
helpers_start_helper = nil
table.insert(items, { '---', '', '' })
table.insert(items, { _p('plugin-offscreenreload', 'Add reload helper'), '', '' })
helpers_item_add = #items
local selection = helpers_selection_save
helpers_selection_save = nil
return items, selection
end
-- Entry points
local lib = { }
function lib:init(h)
helpers = h
menu_stack = { MENU_TYPES.HELPERS }
end
function lib:handle_event(index, event)
local current = menu_stack[#menu_stack]
if current == MENU_TYPES.HELPERS then
return handle_helpers(index, event)
elseif current == MENU_TYPES.ADD then
return handle_add(index, event)
elseif current == MENU_TYPES.EDIT then
return handle_edit(index, event)
elseif current == MENU_TYPES.INPUT then
return handle_input(index, event)
end
end
function lib:populate()
local current = menu_stack[#menu_stack]
if current == MENU_TYPES.HELPERS then
return populate_helpers()
elseif current == MENU_TYPES.ADD then
return populate_add()
elseif current == MENU_TYPES.EDIT then
return populate_edit()
elseif current == MENU_TYPES.INPUT then
return populate_input()
end
end
return lib
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