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fix scrolling text which contains both normal and wide characters

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This commit is contained in:
Andrzej Rybczak
2009-08-26 03:39:14 +02:00
parent 89e18096d9
commit 56a1d7456c
2 changed files with 8 additions and 12 deletions
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14
src/helpers.cpp
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@@ -368,22 +368,16 @@ std::basic_string<my_char_t> Scroller(const std::basic_string<my_char_t> &str, s
std::basic_string<my_char_t>::const_iterator b = s.begin(), e = s.end();
for (std::basic_string<my_char_t>::const_iterator it = b+pos; it < e && len < width; ++it)
{
# ifdef _UTF8
len += wcwidth(*it);
# else
len++;
# endif
if ((len += wcwidth(*it)) > width)
break;
result += *it;
}
if (++pos >= s.length())
pos = 0;
for (; len < width; ++b)
{
# ifdef _UTF8
len += wcwidth(*b);
# else
len++;
# endif
if ((len += wcwidth(*b)) > width)
break;
result += *b;
}
}

6
src/strbuffer.h
View File

@@ -169,7 +169,8 @@ template <typename C> void NCurses::basic_buffer<C>::Write(Window &w, size_t &po
LoadAttribute(w, lb->Value);
++lb;
}
len += wcwidth(s[i]);
if ((len += wcwidth(s[i])) > width)
break;
w << s[i];
}
if (++pos >= s.length())
@@ -184,7 +185,8 @@ template <typename C> void NCurses::basic_buffer<C>::Write(Window &w, size_t &po
LoadAttribute(w, lb->Value);
++lb;
}
len += wcwidth(s[i]);
if ((len += wcwidth(s[i])) > width)
break;
w << s[i];
}
// load all remained attributes to clean up