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Truncate should use display width instead of # characters

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This commit is contained in:
Stephan Williams 2017-07-26 20:30:59 -04:00
parent a679e178e8
commit 5ded28e384
1 changed files with 10 additions and 5 deletions
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15
src/musikcube/cursespp/Text.cpp
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@ -51,8 +51,10 @@ namespace cursespp {
auto it = str.begin();
auto end = str.end();
size_t c = 0;
while (c < len && it != str.end()) {
size_t cols = 0;
while (it != str.end()) {
auto prev = it;
try {
utf8::next(it, end);
}
@ -61,10 +63,13 @@ namespace cursespp {
++it;
}
++c;
}
size_t c = u8cols(std::string(prev, it));
if (cols + c > len) {
return std::string(str.begin(), prev);
}
return std::string(str.begin(), it);
cols += c;
}
}
return str;