games/minimal/mods/bucket/textures/bucket.png

--Minetest
--Copyright (C) 2014 sapier
--
--This 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.
--
--This 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 this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


--------------------------------------------------------------------------------
-- A tabview implementation                                                   --
-- Usage:                                                                     --
-- tabview.create: returns initialized tabview raw element                    --
-- element.add(tab): add a tab declaration                                    --
-- element.handle_buttons()                                                   --
-- element.handle_events()                                                    --
-- element.getFormspec() returns formspec of tabview                          --
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
local function add_tab(self,tab)
	assert(tab.size == nil or (type(tab.size) == table and
			tab.size.x ~= nil and tab.size.y ~= nil))
	assert(tab.cbf_formspec ~= nil and type(tab.cbf_formspec) == "function")
	assert(tab.cbf_button_handler == nil or
			type(tab.cbf_button_handler) == "function")
	assert(tab.cbf_events == nil or type(tab.cbf_events) == "function")

	local newtab = {
		name = tab.name,
		caption = tab.caption,
		button_handler = tab.cbf_button_handler,
		event_handler = tab.cbf_events,
		get_formspec = tab.cbf_formspec,
		tabsize = tab.tabsize,
		on_change = tab.on_change,
		tabdata = {},
	}

	self.tablist[#self.tablist + 1] = newtab

	if self.last_tab_index == #self.tablist then
		self.current_tab = tab.name
		if tab.on_activate ~= nil then
			tab.on_activate(nil,tab.name)
		end
	end
end

--------------------------------------------------------------------------------
local function get_formspec(self)
	local formspec = ""

	if not self.hidden and (self.parent == nil or not self.parent.hidden) then

		if self.parent == nil then
			local tsize = self.tablist[self.last_tab_index].tabsize or
					{width=self.width, height=self.height}
			formspec = formspec ..
					string.format("size[%f,%f,%s]",tsize.width,tsize.height,
						dump(self.fixed_size))
		end
		formspec = formspec .. self:tab_header()
		formspec = formspec ..
				self.tablist[self.last_tab_index].get_formspec(
					self,
					self.tablist[self.last_tab_index].name,
					self.tablist[self.last_tab_index].tabdata,
					self.tablist[self.last_tab_index].tabsize
					)
	end
	return formspec
end

--------------------------------------------------------------------------------
local function handle_buttons(self,fields)

	if self.hidden then
		return false
	end

	if self:handle_tab_buttons(fields) then
		return true
	end

	if self.glb_btn_handler ~= nil and
		self.glb_btn_handler(self,fields) then
		return true
	end

	if self.tablist[self.last_tab_index].button_handler ~= nil then
		return
			self.tablist[self.last_tab_index].button_handler(
					self,
ofs	hex dump	ascii
0000	89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 00 00 00 10 00 00 00 10 08 03 00 00 00 28 2d 0f	.PNG........IHDR.............(-.
0020	53 00 00 00 1e 50 4c 54 45 00 00 00 00 00 00 41 41 41 52 52 52 61 61 61 6f 6f 6f 82 82 82 9f 9f	S....PLTE......AAARRRaaaooo.....
0040	9f ba ba ba ff ff ff 9b 94 db 07 00 00 00 01 74 52 4e 53 00 40 e6 d8 66 00 00 00 46 49 44 41 54	...............tRNS.@..f...FIDAT
0060	78 da 8d 8e c9 0d 00 30 08 c3 4a 0f e8 fe 13 37 50 11 f1 c4 bf 58 46 62 34 91 4f 99 07 d0 60 ae	x......0..J....7P....XFb4.O...`.
0080	00 8a fd 74 24 85 99 89 a3 9b e2 c2 a9 a6 80 b9 dc 25 a9 42 fe 45 79 c4 40 04 4c 36 60 c0 d7 47	...t$............%.B.Ey.@.L6`..G
00a0	8f 07 d2 63 01 94 ed e8 dd 26 00 00 00 00 49 45 4e 44 ae 42 60 82	...c.....&....IEND.B`.