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Add temp. freeform text widget

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This commit is contained in:
Wuzzy 2016-10-09 03:03:09 +02:00
parent 465886a8f9
commit 2247bdae2e
1 changed files with 21 additions and 8 deletions
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29
init.lua
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@ -278,8 +278,10 @@ doc.entry_builders = {}
-- Inserts line breaks into a single paragraph and collapses all whitespace (including newlines)
-- into spaces
local linebreaker_single = function(text)
local linelength = 80
local linebreaker_single = function(text, linelength)
if linelength == nil then
linelength = 80
end
local remain = linelength
local res = {}
local line = {}
@ -307,10 +309,10 @@ local linebreaker_single = function(text)
end
-- Inserts automatic line breaks into an entire text and preserves existing newlines
local linebreaker = function(text)
local linebreaker = function(text, linelength)
local out = ""
for s in string.gmatch(text, "([^\n]*)\n") do
s = linebreaker_single(s)
s = linebreaker_single(s, linelength)
out = out .. s
out = out .. "\n"
end
@ -322,20 +324,31 @@ local linebreaker = function(text)
end
-- Inserts text suitable for a textlist (including automatic word-wrap)
local text_for_textlist = function(text)
text = linebreaker(text)
local text_for_textlist = function(text, linelength)
text = linebreaker(text, linelength)
text = minetest.formspec_escape(text)
text = string.gsub(text, "\n", ",")
return text
end
-- Freeform text
-- Scrollable freeform text
doc.entry_builders.text = function(data)
return doc.widgets.text(data, 0, 0.5, 11.8, 8)
end
doc.widgets = {}
-- Scrollable freeform text
-- TODO: Write documentation
doc.widgets.text = function(data, x, y, width, height)
local baselength = 80
local widget_basewidth = 12
local linelength = math.max(20, math.floor(baselength * (width / widget_basewidth)))
-- TODO: Wait for Minetest to provide a native widget for scrollable read-only text with automatic line breaks.
-- Currently, all of this had to be hacked into this script manually by using/abusing the table widget
return "tablecolumns[text]"..
"tableoptions[background=#00000000;highlight=#00000000;border=false]"..
"table[0,0.5;11.8,8;text;"..text_for_textlist(data).."]"
"table["..tostring(x)..","..tostring(y)..";"..tostring(width)..","..tostring(height)..";text;"..text_for_textlist(data, linelength).."]"
end
-- Direct formspec