minetest/builtin/fstk/dialog.lua
sapier c3984569c0 Add formspec toolkit and refactor mainmenu to use it
Fix crash on using cursor keys in client menu without selected server
Add support for non fixed size tabviews
2014-05-16 22:57:14 +02:00

70 lines
2.0 KiB
Lua

--Minetest
--Copyright (C) 2014 sapier
--
--self program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 of the License, or
--(at your option) any later version.
--
--self program is distributed in the hope that it will be useful,
--but WITHOUT ANY WARRANTY; without even the implied warranty of
--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
--GNU Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with self program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
local function dialog_event_handler(self,event)
if self.user_eventhandler == nil or
self.user_eventhandler(event) == false then
--close dialog on esc
if event == "MenuQuit" then
self:delete()
return true
end
end
end
local dialog_metatable = {
eventhandler = dialog_event_handler,
get_formspec = function(self)
if not self.hidden then return self.formspec(self.data) end
end,
handle_buttons = function(self,fields)
if not self.hidden then return self.buttonhandler(self,fields) end
end,
handle_events = function(self,event)
if not self.hidden then return self.eventhandler(self,event) end
end,
hide = function(self) self.hidden = true end,
show = function(self) self.hidden = false end,
delete = function(self)
if self.parent ~= nil then
self.parent:show()
end
ui.delete(self)
end,
set_parent = function(self,parent) self.parent = parent end
}
dialog_metatable.__index = dialog_metatable
function dialog_create(name,get_formspec,buttonhandler,eventhandler)
local self = {}
self.name = name
self.type = "toplevel"
self.hidden = true
self.data = {}
self.formspec = get_formspec
self.buttonhandler = buttonhandler
self.user_eventhandler = eventhandler
setmetatable(self,dialog_metatable)
ui.add(self)
return self
end