dfhack/library/lua/gui/dialogs.lua

179 lines
4.2 KiB
Lua

-- Some simple dialog screens
local _ENV = mkmodule('gui.dialogs')
local gui = require('gui')
local utils = require('utils')
local dscreen = dfhack.screen
MessageBox = defclass(MessageBox, gui.FramedScreen)
MessageBox.focus_path = 'MessageBox'
MessageBox.frame_style = gui.GREY_LINE_FRAME
function MessageBox:init(info)
info = info or {}
self:init_fields{
text = info.text or {},
frame_title = info.title,
frame_width = info.frame_width,
on_accept = info.on_accept,
on_cancel = info.on_cancel,
on_close = info.on_close,
text_pen = info.text_pen
}
if type(self.text) == 'string' then
self.text = utils.split_string(self.text, "\n")
end
gui.FramedScreen.init(self, info)
return self
end
function MessageBox:getWantedFrameSize()
local text = self.text
local w = #(self.frame_title or '') + 4
w = math.max(w, 20)
w = math.max(self.frame_width or w, w)
for _, l in ipairs(text) do
w = math.max(w, #l)
end
local h = #text+1
if h > 1 then
h = h+1
end
return w+2, #text+2
end
function MessageBox:onRenderBody(dc)
if #self.text > 0 then
dc:newline(1):pen(self.text_pen or COLOR_GREY)
for _, l in ipairs(self.text or {}) do
dc:string(l):newline(1)
end
end
if self.on_accept then
local x,y = self.frame_rect.x1+1, self.frame_rect.y2+1
dscreen.paintString({fg=COLOR_LIGHTGREEN},x,y,'ESC')
dscreen.paintString({fg=COLOR_GREY},x+3,y,'/')
dscreen.paintString({fg=COLOR_LIGHTGREEN},x+4,y,'y')
end
end
function MessageBox:onDestroy()
if self.on_close then
self.on_close()
end
end
function MessageBox:onInput(keys)
if keys.MENU_CONFIRM then
self:dismiss()
if self.on_accept then
self.on_accept()
end
elseif keys.LEAVESCREEN or (keys.SELECT and not self.on_accept) then
self:dismiss()
if self.on_cancel then
self.on_cancel()
end
end
end
function showMessage(title, text, tcolor, on_close)
mkinstance(MessageBox):init{
text = text,
title = title,
text = text,
text_pen = tcolor,
on_close = on_close
}:show()
end
function showYesNoPrompt(title, text, tcolor, on_accept, on_cancel)
mkinstance(MessageBox):init{
title = title,
text = text,
text_pen = tcolor,
on_accept = on_accept,
on_cancel = on_cancel,
}:show()
end
InputBox = defclass(InputBox, MessageBox)
InputBox.focus_path = 'InputBox'
function InputBox:init(info)
info = info or {}
self:init_fields{
input = info.input or '',
input_pen = info.input_pen,
on_input = info.on_input,
}
MessageBox.init(self, info)
self.on_accept = nil
return self
end
function InputBox:getWantedFrameSize()
local mw, mh = MessageBox.getWantedFrameSize(self)
return mw, mh+2
end
function InputBox:onRenderBody(dc)
MessageBox.onRenderBody(self, dc)
dc:newline(1)
dc:pen(self.input_pen or COLOR_LIGHTCYAN)
dc:fill(dc.x1+1,dc.y,dc.x2-1,dc.y)
local cursor = '_'
if math.floor(dfhack.getTickCount()/300) % 2 == 0 then
cursor = ' '
end
local txt = self.input .. cursor
if #txt > dc.width-2 then
txt = string.sub(txt, #txt-dc.width+3)
-- Add prefix arrow
dc:advance(-1):char(27)
end
dc:string(txt)
end
function InputBox:onInput(keys)
if keys.SELECT then
self:dismiss()
if self.on_input then
self.on_input(self.input)
end
elseif keys.LEAVESCREEN then
self:dismiss()
if self.on_cancel then
self.on_cancel()
end
elseif keys._STRING then
if keys._STRING == 0 then
self.input = string.sub(self.input, 1, #self.input-1)
else
self.input = self.input .. string.char(keys._STRING)
end
end
end
function showInputPrompt(title, text, tcolor, input, on_input, on_cancel, min_width)
mkinstance(InputBox):init{
title = title,
text = text,
text_pen = tcolor,
input = input,
on_input = on_input,
on_cancel = on_cancel,
frame_width = min_width,
}:show()
end
return _ENV