/
script.lua
164 lines (138 loc) · 3.8 KB
/
script.lua
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-- Support for scripted interaction sequences via coroutines.
local _ENV = mkmodule('gui.script')
local dlg = require('gui.dialogs')
--[[
Example:
start(function()
sleep(100, 'frames')
print(showYesNoPrompt('test', 'print true?'))
end)
]]
-- Table of running background scripts.
if not scripts then
scripts = {}
setmetatable(scripts, { __mode = 'k' })
end
local function do_resume(inst, ...)
inst.gen = inst.gen + 1
return (dfhack.saferesume(inst.coro, ...))
end
-- Starts a new background script by calling the function.
function start(fn,...)
local coro = coroutine.create(fn)
local inst = {
coro = coro,
gen = 0,
}
scripts[coro] = inst
return do_resume(inst, ...)
end
-- Checks if called from a background script
function in_script()
return scripts[coroutine.running()] ~= nil
end
local function getinst()
local inst = scripts[coroutine.running()]
if not inst then
error('Not in a gui script coroutine.')
end
return inst
end
local function invoke_resume(inst,gen,quiet,...)
local state = coroutine.status(inst.coro)
if state ~= 'suspended' then
if state ~= 'dead' then
dfhack.printerr(debug.traceback('resuming a non-waiting continuation'))
end
elseif inst.gen > gen then
if not quiet then
dfhack.printerr(debug.traceback('resuming an expired continuation'))
end
else
do_resume(inst, ...)
end
end
-- Returns a callback that resumes the script from wait with given return values
function mkresume(...)
local inst = getinst()
return curry(invoke_resume, inst, inst.gen, false, ...)
end
-- Like mkresume, but does not complain if already resumed from this wait
function qresume(...)
local inst = getinst()
return curry(invoke_resume, inst, inst.gen, true, ...)
end
-- Wait until a mkresume callback is called, then return its arguments.
-- Once it returns, all mkresume callbacks created before are invalidated.
function wait()
getinst() -- check that the context is right
return coroutine.yield()
end
-- Wraps dfhack.timeout for coroutines.
function sleep(time, quantity)
if dfhack.timeout(time, quantity, mkresume()) then
wait()
return true
else
return false
end
end
-- Some dialog wrappers:
function showMessage(title, text, tcolor)
dlg.MessageBox{
frame_title = title,
text = text,
text_pen = tcolor,
on_close = qresume(nil)
}:show()
return wait()
end
function showYesNoPrompt(title, text, tcolor)
dlg.MessageBox{
frame_title = title,
text = text,
text_pen = tcolor,
on_accept = mkresume(true),
on_cancel = mkresume(false),
on_close = qresume(nil)
}:show()
return wait()
end
function showInputPrompt(title, text, tcolor, input, min_width)
dlg.InputBox{
frame_title = title,
text = text,
text_pen = tcolor,
input = input,
frame_width = min_width,
on_input = mkresume(true),
on_cancel = mkresume(false),
on_close = qresume(nil)
}:show()
return wait()
end
function showListPrompt(title, text, tcolor, choices, min_width, filter)
dlg.ListBox{
frame_title = title,
text = text,
text_pen = tcolor,
choices = choices,
frame_width = min_width,
with_filter = filter,
on_select = mkresume(true),
on_cancel = mkresume(false),
on_close = qresume(nil)
}:show()
return wait()
end
function showMaterialPrompt(title, prompt)
require('gui.materials').MaterialDialog{
frame_title = title,
prompt = prompt,
on_select = mkresume(true),
on_cancel = mkresume(false),
on_close = qresume(nil)
}:show()
return wait()
end
return _ENV