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Remove the reader_selected_completion_changed callback. Fix a hang when

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the pager gets empty, as reported in 291
This commit is contained in:
ridiculousfish
2014-02-16 19:56:13 -08:00
parent 9c7d1dbb6f
commit 2253c57628
3 changed files with 39 additions and 13 deletions
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39
reader.cpp
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@@ -272,6 +272,9 @@ public:
/** Do what we need to do whenever our command line changes */
void command_line_changed(const editable_line_t *el);
/** Do what we need to do whenever our pager selection */
void pager_selection_changed();
/** Expand abbreviations at the current cursor position, minus backtrack_amt. */
bool expand_abbreviation_as_necessary(size_t cursor_backtrack);
@@ -686,9 +689,37 @@ void reader_data_t::command_line_changed(const editable_line_t *el)
else if (el == &this->pager.search_field_line)
{
this->pager.refilter_completions();
this->pager_selection_changed();
}
}
void reader_data_t::pager_selection_changed()
{
ASSERT_IS_MAIN_THREAD();
const completion_t *completion = this->pager.selected_completion(this->current_page_rendering);
/* Update the cursor and command line */
size_t cursor_pos = this->cycle_cursor_pos;
wcstring new_cmd_line;
if (completion == NULL)
{
new_cmd_line = this->cycle_command_line;
}
else
{
new_cmd_line = completion_apply_to_command_line(completion->completion, completion->flags, this->cycle_command_line, &cursor_pos, false);
}
reader_set_buffer_maintaining_pager(new_cmd_line, cursor_pos);
/* Since we just inserted a completion, don't immediately do a new autosuggestion */
this->suppress_autosuggestion = true;
/* Trigger repaint (see #765) */
reader_repaint_needed();
}
/* Expand abbreviations at the given cursor position. Does NOT inspect 'data'. */
bool reader_expand_abbreviation_in_command(const wcstring &cmdline, size_t cursor_pos, wcstring *output)
{
@@ -1644,7 +1675,11 @@ static void select_completion_in_direction(enum selection_direction_t dir)
{
assert(data != NULL);
/* Note: this will probably trigger reader_selected_completion_changed, which will cause us to update stuff */
data->pager.select_next_completion_in_direction(dir, data->current_page_rendering);
bool selection_changed = data->pager.select_next_completion_in_direction(dir, data->current_page_rendering);
if (selection_changed)
{
data->pager_selection_changed();
}
}
/**
@@ -1964,6 +1999,8 @@ static bool handle_completions(const std::vector<completion_t> &comp, bool conti
/* Invalidate our rendering */
data->current_page_rendering = page_rendering_t();
/* Modify the command line to reflect the new pager */
data->pager_selection_changed();
}
else
{