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fix Window::scroll_to_keep_cursor_visible_ifn

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This commit is contained in:
Maxime Coste 2012-10-11 14:23:20 +02:00
parent 4210a17753
commit 4f1ab5b749
1 changed files with 4 additions and 3 deletions
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7
src/window.cc
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@ -72,7 +72,7 @@ void Window::set_dimensions(const DisplayCoord& dimensions)
void Window::scroll_to_keep_cursor_visible_ifn()
{
BufferIterator cursor = selections().back().last();
const BufferIterator cursor = selections().back().last();
// scroll lines if needed
if (cursor.line() < m_position.line)
@ -107,10 +107,11 @@ void Window::scroll_to_keep_cursor_visible_ifn()
else
column += atom.content.content().char_length();
CharCount cursor_col = utf8::distance(line_begin, cursor);
// we could early out on this, but having scrolling left
// faster than not scrolling at all is not really useful.
if (column < m_position.column)
m_position.column = column;
if (cursor_col < m_position.column)
m_position.column = cursor_col;
else if (column >= m_position.column + m_dimensions.column)
m_position.column = column - (m_dimensions.column - 1);