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