Add code_complete_enabled code editor setting

doc/classes/EditorSettings.xml

@@ -837,6 +837,9 @@
 		<member name="text_editor/completion/code_complete_delay" type="float" setter="" getter="">
 			The delay in seconds after which autocompletion suggestions should be displayed when the user stops typing.
 		</member>
+		<member name="text_editor/completion/code_complete_enabled" type="bool" setter="" getter="">
+			If [code]true[/code], code completion will be triggered automatically after [member text_editor/completion/code_complete_delay]. If [code]false[/code], you can still trigger completion manually by pressing [kbd]Ctrl + Space[/kbd] ([kbd]Cmd + Space[/kbd] on macOS).
+		</member>
 		<member name="text_editor/completion/complete_file_paths" type="bool" setter="" getter="">
 			If [code]true[/code], provides autocompletion suggestions for file paths in methods such as [code]load()[/code] and [code]preload()[/code].
 		</member>

editor/code_editor.cpp

@@ -905,7 +905,7 @@ void CodeTextEditor::_line_col_changed() {
 }
 
 void CodeTextEditor::_text_changed() {
-	if (text_editor->is_insert_text_operation()) {
+	if (code_complete_enabled && text_editor->is_insert_text_operation()) {
 		code_complete_timer_line = text_editor->get_caret_line();
 		code_complete_timer->start();
 	}
@@ -1736,6 +1736,7 @@ void CodeTextEditor::_apply_settings_change() {
 
 	text_editor->set_code_hint_draw_below(EDITOR_GET("text_editor/completion/put_callhint_tooltip_below_current_line"));
 
+	code_complete_enabled = EDITOR_GET("text_editor/completion/code_complete_enabled");
 	code_complete_timer->set_wait_time(EDITOR_GET("text_editor/completion/code_complete_delay"));
 	idle->set_wait_time(EDITOR_GET("text_editor/completion/idle_parse_delay"));
 }
@@ -2010,6 +2011,7 @@ CodeTextEditor::CodeTextEditor() {
 	idle->set_one_shot(true);
 	idle->set_wait_time(EDITOR_GET("text_editor/completion/idle_parse_delay"));
 
+	code_complete_enabled = EDITOR_GET("text_editor/completion/code_complete_enabled");
 	code_complete_timer = memnew(Timer);
 	add_child(code_complete_timer);
 	code_complete_timer->set_one_shot(true);

editor/code_editor.h

@@ -157,6 +157,7 @@ class CodeTextEditor : public VBoxContainer {
 
 	Label *info = nullptr;
 	Timer *idle = nullptr;
+	bool code_complete_enabled = true;
 	Timer *code_complete_timer = nullptr;
 	int code_complete_timer_line = 0;
 

editor/editor_settings.cpp

@@ -597,7 +597,8 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	// Completion
 	EDITOR_SETTING(Variant::FLOAT, PROPERTY_HINT_RANGE, "text_editor/completion/idle_parse_delay", 2.0, "0.1,10,0.01")
 	_initial_set("text_editor/completion/auto_brace_complete", true);
-	EDITOR_SETTING(Variant::FLOAT, PROPERTY_HINT_RANGE, "text_editor/completion/code_complete_delay", 0.3, "0.01,5,0.01")
+	_initial_set("text_editor/completion/code_complete_enabled", true);
+	EDITOR_SETTING(Variant::FLOAT, PROPERTY_HINT_RANGE, "text_editor/completion/code_complete_delay", 0.3, "0.01,5,0.01,or_greater")
 	_initial_set("text_editor/completion/put_callhint_tooltip_below_current_line", true);
 	_initial_set("text_editor/completion/complete_file_paths", true);
 	_initial_set("text_editor/completion/add_type_hints", false);