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textinput - Unicode support.

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linux-man 2016-11-13 02:51:22 +00:00
parent d22546bcb2
commit 1bee7fa8d9
1 changed files with 21 additions and 16 deletions
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35
objects/textinput.lua
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@ -3,6 +3,8 @@
-- Copyright (c) 2012-2014 Kenny Shields --
--]]------------------------------------------------
local utf8 = require("utf8")
-- get the current require path
local path = string.sub(..., 1, string.len(...) - string.len(".objects.textinput"))
local loveframes = require(path .. ".libraries.common")
@ -884,8 +886,8 @@ function newobject:MoveIndicator(num, exact)
self.indicatornum = num
end
if self.indicatornum > string.len(text) then
self.indicatornum = string.len(text)
if self.indicatornum > utf8.len(text) then
self.indicatornum = utf8.len(text)
elseif self.indicatornum < 0 then
self.indicatornum = 0
end
@ -939,14 +941,15 @@ function newobject:UpdateIndicator()
end
local width = 0
for i=1, indicatornum do
if masked then
local char = self.maskchar
width = width + font:getWidth(char)
width = font:getWidth(string.rep(self.maskchar,indicatornum))
else
local char = text:sub(i, i)
width = width + font:getWidth(char)
if indicatornum == 0 then
width = 0
elseif indicatornum >= utf8.len(text) then
width = font:getWidth(text)
else
width = font:getWidth(text:sub(1, utf8.offset (text, indicatornum + 1) - 1))
end
end
@ -1022,8 +1025,8 @@ function newobject:AddIntoText(t, p)
local line = self.line
local curline = lines[line]
local text = curline
local part1 = text:sub(1, p)
local part2 = text:sub(p + 1)
local part1 = text:sub(1, utf8.offset(text, p + 1) - 1)
local part2 = text:sub(utf8.offset(text, p + 1))
local new = part1 .. t .. part2
return new
@ -1041,8 +1044,8 @@ function newobject:RemoveFromText(p)
local line = self.line
local curline = lines[line]
local text = curline
local part1 = text:sub(1, p - 1)
local part2 = text:sub(p + 1)
local part1 = text:sub(1, utf8.offset(text, p) - 1)
local part2 = text:sub(utf8.offset(text, p + 1))
local new = part1 .. part2
return new
@ -1132,8 +1135,10 @@ function newobject:GetTextCollisions(x, y)
end
end
else
for i=1, string.len(text) do
local char = text:sub(i, i)
local i = 0
for p, c in utf8.codes(text) do
i = i + 1
local char = utf8.char(c)
local width = 0
if masked then
local maskchar = self.maskchar
@ -1154,7 +1159,7 @@ function newobject:GetTextCollisions(x, y)
self:MoveIndicator(0, true)
end
if x > (tx + width) then
self:MoveIndicator(string.len(text), true)
self:MoveIndicator(utf8.len(text), true)
end
end
end