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Supports utf8 printing and input

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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 11:43:54 -03:00
parent 97a5208d52
commit 17045d8631
2 changed files with 21 additions and 5 deletions
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16
src/ltui/label.lua
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@@ -127,8 +127,20 @@ function label:splitext(text, width)
for idx = 1, #lines do
local line = lines[idx]
while #line > width do
table.insert(result, line:sub(1, width))
line = line:sub(width + 1)
local size = 0
for i = 1, #line do
if line:byte(i) < 0x80 or line:byte(i) >= 0xc0 then
size = size + 1
if size > width then
table.insert(result, line:sub(1, i - 1))
line = line:sub(i)
break
end
end
end
if size <= width then
break
end
end
table.insert(result, line)
end

10
src/ltui/textedit.lua
View File

@@ -77,8 +77,8 @@ function textedit:on_event(e)
-- update text
if e.type == event.ev_keyboard then
if e.key_code > 0x1f and e.key_code < 0x7f then
self:text_set(self:text() .. e.key_name)
if e.key_code > 0x1f and e.key_code < 0x100 then
self:text_set(self:text() .. string.char(e.key_code))
return true
elseif e.key_name == "Enter" and self:option("multiline") then
self:text_set(self:text() .. '\n')
@@ -86,7 +86,11 @@ function textedit:on_event(e)
elseif e.key_name == "Backspace" then
local text = self:text()
if #text > 0 then
self:text_set(text:sub(1, #text - 1))
local ch_size = -1
while text:byte(ch_size) > 0x7f and text:byte(ch_size) < 0xc0 do
ch_size = ch_size - 1
end
self:text_set(text:sub(1, #text + ch_size))
end
return true
elseif e.key_name == "CtrlV" then