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code enhancement

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Changes to be committed:
	modified:   src/ltui/label.lua
	modified:   src/ltui/textedit.lua
This commit is contained in:
laelnasan
2020-12-05 11:58:19 -03:00
parent 17045d8631
commit 96f1aa0cdf
2 changed files with 7 additions and 6 deletions
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2
src/ltui/label.lua
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@@ -129,7 +129,7 @@ function label:splitext(text, width)
while #line > width do while #line > width do
local size = 0 local size = 0
for i = 1, #line do for i = 1, #line do
if line:byte(i) < 0x80 or line:byte(i) >= 0xc0 then if (line:byte(i) & 0xc0) ~= 0x80 then
size = size + 1 size = size + 1
if size > width then if size > width then
table.insert(result, line:sub(1, i - 1)) table.insert(result, line:sub(1, i - 1))

9
src/ltui/textedit.lua
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@@ -86,11 +86,12 @@ function textedit:on_event(e)
elseif e.key_name == "Backspace" then elseif e.key_name == "Backspace" then
local text = self:text() local text = self:text()
if #text > 0 then if #text > 0 then
local ch_size = -1 local size = 1
while text:byte(ch_size) > 0x7f and text:byte(ch_size) < 0xc0 do -- while continuation byte
ch_size = ch_size - 1 while (text:byte(#text - size) & 0xc0) == 0x80 do
size = size + 1
end end
self:text_set(text:sub(1, #text + ch_size)) self:text_set(text:sub(1, #text - size))
end end
return true return true
elseif e.key_name == "CtrlV" then elseif e.key_name == "CtrlV" then