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Select previous sentence or paragraph if selecting backward from the first char

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[s and [p on the first char of a sentence or paragraph will select the
previous sentence or paragraph.
This commit is contained in:
Maxime Coste 2014-03-31 21:46:47 +01:00
parent 968922055b
commit ac90839c3d
1 changed files with 16 additions and 1 deletions
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17
src/selectors.cc
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@ -226,6 +226,16 @@ static bool is_end_of_sentence(char c)
Selection select_whole_sentence(const Buffer& buffer, const Selection& selection, ObjectFlags flags)
{
BufferIterator first = buffer.iterator_at(selection.cursor());
if (not (flags & ObjectFlags::ToEnd))
{
BufferIterator prev_non_blank = first-1;
skip_while_reverse(prev_non_blank, buffer.begin(),
[](char c) { return is_blank(c) or is_eol(c); });
if (is_end_of_sentence(*prev_non_blank))
first = prev_non_blank;
}
BufferIterator last = first;
if (flags & ObjectFlags::ToBegin)
@ -277,9 +287,14 @@ Selection select_whole_sentence(const Buffer& buffer, const Selection& selection
Selection select_whole_paragraph(const Buffer& buffer, const Selection& selection, ObjectFlags flags)
{
BufferIterator first = buffer.iterator_at(selection.cursor());
if (not (flags & ObjectFlags::ToEnd) and buffer.offset(first.coord()) > 1 and
*(first-1) == '\n' and *(first-2) == '\n')
--first;
BufferIterator last = first;
if (flags & ObjectFlags::ToBegin and first != buffer.begin())
if ((flags & ObjectFlags::ToBegin) and first != buffer.begin())
{
skip_while_reverse(first, buffer.begin(), is_eol);
if (flags & ObjectFlags::ToEnd)