Improve code completion search

- List completion by subsequence match.
- Case insensitive.
- Sort completion list by similarity.
This commit is contained in:
George Marques 2016-06-13 16:55:26 -03:00
parent 831ae2d510
commit 66e7ddb55b
No known key found for this signature in database
GPG Key ID: 046BD46A3201E43D
1 changed files with 31 additions and 41 deletions

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@ -3840,6 +3840,7 @@ void TextEdit::undo() {
if (undo_stack_pos->get().type == TextOperation::TYPE_REMOVE) {
cursor_set_line(undo_stack_pos->get().to_line);
cursor_set_column(undo_stack_pos->get().to_column);
_cancel_code_hint();
} else {
cursor_set_line(undo_stack_pos->get().from_line);
cursor_set_column(undo_stack_pos->get().from_column);
@ -3986,27 +3987,18 @@ void TextEdit::set_completion(bool p_enabled,const Vector<String>& p_prefixes) {
void TextEdit::_confirm_completion() {
String remaining=completion_current.substr(completion_base.length(),completion_current.length()-completion_base.length());
String l = text[cursor.line];
bool same=true;
//if what is going to be inserted is the same as what it is, don't change it
for(int i=0;i<remaining.length();i++) {
int c=i+cursor.column;
if (c>=l.length() || l[c]!=remaining[i]) {
same=false;
break;
}
begin_complex_operation();
_remove_text(cursor.line, cursor.column - completion_base.length(), cursor.line, cursor.column);
cursor_set_column(cursor.column - completion_base.length(), false);
insert_text_at_cursor(completion_current);
if (completion_current.ends_with("(") && auto_brace_completion_enabled) {
insert_text_at_cursor(")");
cursor.column--;
}
if (same)
cursor_set_column(cursor.column+remaining.length());
else {
insert_text_at_cursor(remaining);
if (remaining.ends_with("(") && auto_brace_completion_enabled) {
insert_text_at_cursor(")");
cursor.column--;
}
}
end_complex_operation();
_cancel_completion();
}
@ -4110,30 +4102,29 @@ void TextEdit::_update_completion_candidates() {
completion_index=0;
completion_base=s;
int ci_match=0;
Vector<float> sim_cache;
for(int i=0;i<completion_strings.size();i++) {
if (completion_strings[i].begins_with(s)) {
if (s.is_subsequence_ofi(completion_strings[i])) {
// don't remove duplicates if no input is provided
if (completion_options.find(completion_strings[i]) != -1 && s != "") {
if (s != "" && completion_options.find(completion_strings[i]) != -1) {
continue;
}
completion_options.push_back(completion_strings[i]);
int m=0;
int max=MIN(completion_current.length(),completion_strings[i].length());
if (max<ci_match)
continue;
for(int j=0;j<max;j++) {
if (j>=completion_strings[i].length())
break;
if (completion_current[j]!=completion_strings[i][j])
break;
m++;
// Calculate the similarity to keep completions in good order
float similarity = s.similarity(completion_strings[i]);
int comp_size = completion_options.size();
if (comp_size == 0) {
completion_options.push_back(completion_strings[i]);
sim_cache.push_back(similarity);
} else {
float comp_sim;
int pos = 0;
do {
comp_sim = sim_cache[pos++];
} while(pos < comp_size && similarity <= comp_sim);
pos--; // Pos will be off by one
completion_options.insert(pos, completion_strings[i]);
sim_cache.insert(pos, similarity);
}
if (m>ci_match) {
ci_match=m;
completion_index=completion_options.size()-1;
}
}
}
@ -4146,7 +4137,8 @@ void TextEdit::_update_completion_candidates() {
}
completion_current=completion_options[completion_index];
// The top of the list is the best match
completion_current=completion_options[0];
#if 0 // even there's only one option, user still get the chance to choose using it or not
if (completion_options.size()==1) {
@ -4158,8 +4150,6 @@ void TextEdit::_update_completion_candidates() {
}
#endif
if (completion_options.size()==1 && s==completion_options[0])
_cancel_completion();
completion_enabled=true;
}