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Always allow to delete a buffer, just recreate a scratch buffer if needed

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Fixes #850
This commit is contained in:
Maxime Coste 2016-10-13 21:37:44 +01:00
parent 5af29b0254
commit cc2affea11
4 changed files with 11 additions and 25 deletions
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4
src/buffer_manager.cc
View File

@ -57,11 +57,11 @@ void BufferManager::delete_buffer(Buffer& buffer)
{ return p.get() == &buffer; });
kak_assert(it != m_buffers.end());
ClientManager::instance().ensure_no_client_uses_buffer(buffer);
m_buffer_trash.emplace_back(std::move(*it));
m_buffers.erase(it);
ClientManager::instance().ensure_no_client_uses_buffer(buffer);
buffer.on_unregistered();
}

3
src/client.cc
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@ -144,7 +144,8 @@ void Client::change_buffer(Buffer& buffer)
if (m_buffer_reload_dialog_opened)
close_buffer_reload_dialog();
m_last_buffer = &m_window->buffer();
auto* current = &m_window->buffer();
m_last_buffer = contains(BufferManager::instance(), current) ? current : nullptr;
auto& client_manager = ClientManager::instance();
m_window->options().unregister_watcher(*this);

26
src/client_manager.cc
View File

@ -109,33 +109,21 @@ void ClientManager::ensure_no_client_uses_buffer(Buffer& buffer)
{
for (auto& client : m_clients)
{
client->context().jump_list().forget_buffer(buffer);
auto& context = client->context();
context.jump_list().forget_buffer(buffer);
if (client->last_buffer() == &buffer)
client->set_last_buffer(nullptr);
if (&client->context().buffer() != &buffer)
if (&context.buffer() != &buffer)
continue;
if (client->context().is_editing())
if (context.is_editing())
throw runtime_error(format("client '{}' is inserting in buffer '{}'",
client->context().name(),
context.name(),
buffer.display_name()));
if (Buffer* last_buffer = client->last_buffer())
{
client->context().change_buffer(*last_buffer);
continue;
}
for (auto& buf : BufferManager::instance())
{
if (buf.get() != &buffer)
{
client->context().change_buffer(*buf);
client->set_last_buffer(nullptr);
break;
}
}
Buffer* last = client->last_buffer();
context.change_buffer(last ? *last : BufferManager::instance().get_first_buffer());
}
auto end = std::remove_if(m_free_windows.begin(), m_free_windows.end(),
[&buffer](const WindowAndSelections& ws)

3
src/commands.cc
View File

@ -566,9 +566,6 @@ void delete_buffer(const ParametersParser& parser, Context& context, const Shell
if (not force and (buffer.flags() & Buffer::Flags::File) and buffer.is_modified())
throw runtime_error(format("buffer '{}' is modified", buffer.name()));
if (manager.count() == 1)
throw runtime_error(format("buffer '{}' is the last one", buffer.name()));
manager.delete_buffer(buffer);
}