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fix ncurses' padding option

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- Use less iterations when drawing padding fill with multiple characters.
- Use column_length to handle null-width character as no character.
This commit is contained in:
nojhan 2021-04-27 15:27:57 +02:00
parent 2d263d3bd7
commit a9d33a8796
1 changed files with 7 additions and 2 deletions
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9
src/ncurses_ui.cc
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@ -477,8 +477,11 @@ void NCursesUI::draw(const DisplayBuffer& display_buffer,
if (m_padding_fill)
{
ColumnCount column_index = 0;
while (column_index++ < dim.column)
while (column_index < dim.column)
{
m_window.draw(m_palette, m_padding_char, face);
column_index += m_padding_char.length();
}
}
else
m_window.draw(m_palette, m_padding_char, face);
@ -1372,8 +1375,10 @@ void NCursesUI::set_ui_options(const Options& options)
{
auto it = options.find("ncurses_padding_char"_sv);
if (it == options.end())
// Defaults to tilde.
m_padding_char = DisplayAtom("~");
else if (it->value.length() < 1)
else if (it->value.column_length() < 1)
// Do not allow empty string, use space instead.
m_padding_char = DisplayAtom(" ");
else
m_padding_char = DisplayAtom(it->value);