1 files changed, 24 insertions, 10 deletions

diff --git a/scene/gui/code_edit.cpp b/scene/gui/code_edit.cpp
index 7cc2352353..d05762b6c0 100644
--- a/scene/gui/code_edit.cpp
+++ b/scene/gui/code_edit.cpp
@@ -248,7 +248,7 @@ void CodeEdit::_notification(int p_what) {
 	}
 }
 
-void CodeEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
+void CodeEdit::gui_input(const Ref<InputEvent> &p_gui_input) {
 	Ref<InputEventMouseButton> mb = p_gui_input;
 
 	if (mb.is_valid()) {
@@ -354,7 +354,7 @@ void CodeEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 	Ref<InputEventKey> k = p_gui_input;
 	bool update_code_completion = false;
 	if (!k.is_valid()) {
-		TextEdit::_gui_input(p_gui_input);
+		TextEdit::gui_input(p_gui_input);
 		return;
 	}
 
@@ -519,7 +519,7 @@ void CodeEdit::_gui_input(const Ref<InputEvent> &p_gui_input) {
 		set_code_hint("");
 	}
 
-	TextEdit::_gui_input(p_gui_input);
+	TextEdit::gui_input(p_gui_input);
 
 	if (update_code_completion) {
 		_filter_code_completion_candidates_impl();
@@ -1400,7 +1400,8 @@ void CodeEdit::fold_line(int p_line) {
 	}
 
 	/* Find the last line to be hidden. */
-	int end_line = get_line_count();
+	const int line_count = get_line_count() - 1;
+	int end_line = line_count;
 
 	int in_comment = is_in_comment(p_line);
 	int in_string = (in_comment == -1) ? is_in_string(p_line) : -1;
@@ -1408,7 +1409,7 @@ void CodeEdit::fold_line(int p_line) {
 		end_line = get_delimiter_end_position(p_line, get_line(p_line).size() - 1).y;
 		/* End line is the same therefore we have a block. */
 		if (end_line == p_line) {
-			for (int i = p_line + 1; i < get_line_count(); i++) {
+			for (int i = p_line + 1; i <= line_count; i++) {
 				if ((in_string != -1 && is_in_string(i) == -1) || (in_comment != -1 && is_in_comment(i) == -1)) {
 					end_line = i - 1;
 					break;
@@ -1417,14 +1418,27 @@ void CodeEdit::fold_line(int p_line) {
 		}
 	} else {
 		int start_indent = get_indent_level(p_line);
-		for (int i = p_line + 1; i < get_line_count(); i++) {
+		for (int i = p_line + 1; i <= line_count; i++) {
 			if (get_line(p_line).strip_edges().size() == 0 || is_in_string(i) != -1 || is_in_comment(i) != -1) {
 				end_line = i;
 				continue;
 			}
 
-			if (get_indent_level(i) <= start_indent && get_line(i).strip_edges().size() != 0) {
+			if (i == line_count) {
+				/* Do not fold empty last line of script if any */
+				end_line = i;
+				if (get_line(i).strip_edges().size() == 0) {
+					end_line--;
+				}
+				break;
+			}
+
+			if ((get_indent_level(i) <= start_indent && get_line(i).strip_edges().size() != 0)) {
+				/* Keep an empty line unfolded if any */
 				end_line = i - 1;
+				if (get_line(i - 1).strip_edges().size() == 0 && i - 2 > p_line) {
+					end_line = i - 2;
+				}
 				break;
 			}
 		}
@@ -1937,7 +1951,7 @@ void CodeEdit::confirm_code_completion(bool p_replace) {
 
 	if (pre_brace_pair == -1 && post_brace_pair == -1 && get_caret_column() > 0 && get_caret_column() < get_line(caret_line).length()) {
 		pre_brace_pair = _get_auto_brace_pair_open_at_pos(caret_line, get_caret_column() + 1);
-		if (pre_brace_pair == _get_auto_brace_pair_close_at_pos(caret_line, get_caret_column() - 1)) {
+		if (pre_brace_pair != -1 && pre_brace_pair == _get_auto_brace_pair_close_at_pos(caret_line, get_caret_column() - 1)) {
 			remove_text(caret_line, get_caret_column() - 2, caret_line, get_caret_column());
 			if (_get_auto_brace_pair_close_at_pos(caret_line, get_caret_column() - 1) != pre_brace_pair) {
 				set_caret_column(get_caret_column() - 1);
@@ -2651,7 +2665,7 @@ TypedArray<String> CodeEdit::_get_delimiters(DelimiterType p_type) const {
 void CodeEdit::_filter_code_completion_candidates_impl() {
 	int line_height = get_line_height();
 
-	if (GDVIRTUAL_IS_OVERRIDEN(_filter_code_completion_candidates)) {
+	if (GDVIRTUAL_IS_OVERRIDDEN(_filter_code_completion_candidates)) {
 		code_completion_options.clear();
 		code_completion_base = "";
 
@@ -2744,7 +2758,7 @@ void CodeEdit::_filter_code_completion_candidates_impl() {
 		/* If we have a space, previous word might be a keyword. eg "func |". */
 	} else if (cofs > 0 && line[cofs - 1] == ' ') {
 		int ofs = cofs - 1;
-		while (ofs >= 0 && line[ofs] == ' ') {
+		while (ofs > 0 && line[ofs] == ' ') {
 			ofs--;
 		}
 		prev_is_word = _is_char(line[ofs]);