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more robust NCursesUI::menu_show

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This commit is contained in:
Maxime Coste 2013-05-16 21:44:58 +02:00
parent 310e0f5bd3
commit b2dffbabb6
1 changed files with 4 additions and 1 deletions
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5
src/ncurses.cc
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@ -420,12 +420,15 @@ void NCursesUI::menu_show(const memoryview<String>& choices,
DisplayCoord maxsize = window_size(stdscr);
maxsize.column -= anchor.column;
if (maxsize.column <= 2)
return;
m_choices.reserve(choices.size());
CharCount longest = 0;
const CharCount maxlen = std::min((int)maxsize.column-2, 200);
for (auto& choice : choices)
{
m_choices.push_back(choice.substr(0_char, std::min((int)maxsize.column-2, 200)));
m_choices.push_back(choice.substr(0_char, maxlen));
longest = std::max(longest, m_choices.back().char_length());
}
longest += 1;