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Do not lose history when reloading a buffer

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Fixes #157
This commit is contained in:
Maxime Coste 2014-10-23 21:04:05 +01:00
parent a6d73bb928
commit 54f4b8fc2d
1 changed files with 31 additions and 24 deletions
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55
src/buffer.cc
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@ -69,30 +69,6 @@ Buffer::~Buffer()
m_values.clear();
}
void Buffer::reload(std::vector<String> lines, time_t fs_timestamp)
{
m_changes.push_back({ Change::Erase, {0,0}, back_coord(), true });
m_history.clear();
m_current_undo_group.clear();
m_history_cursor = m_history.begin();
m_last_save_undo_index = 0;
m_lines.clear();
if (lines.empty())
lines.emplace_back("\n");
m_lines.reserve(lines.size());
for (auto& line : lines)
{
kak_assert(not line.empty() and line.back() == '\n');
m_lines.emplace_back(std::move(line));
}
m_fs_timestamp = fs_timestamp;
m_changes.push_back({ Change::Insert, {0,0}, back_coord(), true });
}
String Buffer::display_name() const
{
if (m_flags & Flags::File)
@ -182,6 +158,37 @@ struct Buffer::Modification
}
};
void Buffer::reload(std::vector<String> lines, time_t fs_timestamp)
{
m_changes.push_back({ Change::Erase, {0,0}, back_coord(), true });
commit_undo_group();
if (not (m_flags & Flags::NoUndo))
{
for (auto line = line_count()-1; line >= 0; --line)
m_current_undo_group.emplace_back(
Modification::Erase, line, m_lines[line]);
}
m_lines.clear();
if (lines.empty())
lines.emplace_back("\n");
m_lines.reserve(lines.size());
for (auto& line : lines)
{
kak_assert(not line.empty() and line.back() == '\n');
m_lines.emplace_back(std::move(line));
if (not (m_flags & Flags::NoUndo))
m_current_undo_group.emplace_back(
Modification::Insert, line_count()-1, m_lines.back());
}
commit_undo_group();
m_fs_timestamp = fs_timestamp;
m_changes.push_back({ Change::Insert, {0,0}, back_coord(), true });
}
void Buffer::commit_undo_group()
{