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Refactor context_wrap to share more code between draft/non draft case

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Fixes #706
This commit is contained in:
Maxime Coste 2016-06-22 22:17:31 +01:00
parent a8cf2a84c4
commit fcf73c2293
1 changed files with 40 additions and 39 deletions
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79
src/commands.cc
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@ -1430,68 +1430,69 @@ void context_wrap(const ParametersParser& parser, Context& context, Func func)
return;
}
Context* real_context = &context;
Context* base_context = &context;
if (auto client_name = parser.get_switch("client"))
real_context = &cm.get_client(*client_name).context();
base_context = &cm.get_client(*client_name).context();
else if (auto client_name = parser.get_switch("try-client"))
{
if (Client* client = cm.get_client_ifp(*client_name))
real_context = &client->context();
base_context = &client->context();
}
if (parser.get_switch("draft"))
Optional<InputHandler> input_handler;
Context* effective_context = base_context;
const bool draft = (bool)parser.get_switch("draft");
if (draft)
{
InputHandler input_handler(real_context->selections(),
Context::Flags::Transient,
real_context->name());
Context& c = input_handler.context();
input_handler.emplace(base_context->selections(),
Context::Flags::Transient,
base_context->name());
effective_context = &input_handler->context();
// Preserve window so that window scope is available
if (real_context->has_window())
c.set_window(real_context->window());
if (base_context->has_window())
effective_context->set_window(base_context->window());
// We do not want this draft context to commit undo groups if the real one is
// going to commit the whole thing later
if (real_context->is_editing())
c.disable_undo_handling();
if (base_context->is_editing())
effective_context->disable_undo_handling();
}
ScopedSetBool disable_hooks(c.user_hooks_disabled(), no_hooks);
ScopedSetBool disable_keymaps(c.keymaps_disabled(), no_keymaps);
ScopedSetBool disable_history(c.history_disabled());
Context& c = *effective_context;
if (parser.get_switch("itersel"))
ScopedSetBool disable_hooks(c.user_hooks_disabled(), no_hooks);
ScopedSetBool disable_keymaps(c.keymaps_disabled(), no_keymaps);
ScopedSetBool disable_history(c.history_disabled());
if (parser.get_switch("itersel"))
{
SelectionList sels{base_context->selections()};
ScopedEdition edition{c};
for (auto& sel : sels)
{
SelectionList sels{real_context->selections()};
ScopedEdition edition{c};
for (auto& sel : sels)
{
c.selections_write_only() = SelectionList{ sels.buffer(), sel, sels.timestamp() };
c.selections().update();
c.selections_write_only() = SelectionList{ sels.buffer(), sel, sels.timestamp() };
c.selections().update();
func(parser, c);
if (&sels.buffer() != &c.buffer())
throw runtime_error("the buffer has changed while iterating on selections");
}
}
else
func(parser, c);
if (&sels.buffer() != &c.buffer())
throw runtime_error("the buffer has changed while iterating on selections");
}
if (not draft)
{
sels.update();
c.selections_write_only() = std::move(sels);
}
}
else
{
if (parser.get_switch("itersel"))
throw runtime_error("-itersel makes no sense without -draft");
Context& c = *real_context;
const bool collapse_jumps = (bool)parser.get_switch("collapse-jumps");
const bool collapse_jumps = not draft and (bool)parser.get_switch("collapse-jumps");
SelectionList jump = c.selections();
JumpList original_jump_list = collapse_jumps ? c.jump_list() : JumpList{};
ScopedSetBool disable_hooks(c.user_hooks_disabled(), no_hooks);
ScopedSetBool disable_keymaps(c.keymaps_disabled(), no_keymaps);
ScopedSetBool disable_history(c.history_disabled());
func(parser, c);
if (collapse_jumps and c.jump_list() != original_jump_list)