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draw control characters with 2 ASCII characters starting with '^'

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This commit is contained in:
Josh Holtrop 2016-12-29 19:17:34 -05:00
parent 90aa5ada70
commit 53d8df95f8
1 changed files with 9 additions and 1 deletions
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10
src/gui/BufferPane.cc
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@ -234,7 +234,15 @@ int BufferPane::draw_buffer_line(int screen_row, const Buffer::Iterator & start_
saved_row_offset = row_offset;
if ((code_point != '\t') && (code_point != ' '))
{
m_window->gl()->draw_character(win_x(x), win_y(y), code_point, *m_window->font());
if (code_point < 0x20u)
{
m_window->gl()->draw_character(win_x(x), win_y(y), '^', *m_window->font());
m_window->gl()->draw_character(win_x(col_x(screen_column + 1)), win_y(y), code_point | 0x40u, *m_window->font());
}
else
{
m_window->gl()->draw_character(win_x(x), win_y(y), code_point, *m_window->font());
}
}
}
}