Merge pull request #4017 from Paulb23/set_tab_size

Added configurable tab size in the text editor.

scene/gui/text_edit.cpp

@@ -3507,6 +3507,13 @@ void TextEdit::_push_current_op() {
 
 }
 
+void TextEdit::set_tab_size(const int p_size) {
+	ERR_FAIL_COND(p_size <= 0);
+	tab_size = p_size;
+	text.set_tab_size(p_size);
+	update();
+}
+
 void TextEdit::set_draw_tabs(bool p_draw) {
 
 	draw_tabs=p_draw;

scene/gui/text_edit.h

@@ -379,7 +379,7 @@ public:
 	void redo();
 	void clear_undo_history();
 
-
+	void set_tab_size(const int p_size);
 	void set_draw_tabs(bool p_draw);
 	bool is_drawing_tabs() const;
 

tools/editor/editor_settings.cpp

@@ -406,6 +406,9 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 
 	set("text_editor/scroll_past_end_of_file", false);
 
+	set("text_editor/tab_size", 4);
+	hints["text_editor/tab_size"]=PropertyInfo(Variant::INT,"text_editor/tab_size",PROPERTY_HINT_RANGE,"1, 64, 1"); // size of 0 crashes.
+
 	set("text_editor/idle_parse_delay",2);
 	set("text_editor/create_signal_callbacks",true);
 	set("text_editor/autosave_interval_secs",0);

tools/editor/plugins/script_editor_plugin.cpp

@@ -1930,6 +1930,7 @@ void ScriptEditor::edit(const Ref<Script>& p_script) {
 	ste->get_text_edit()->set_tooltip_request_func(this,"_get_debug_tooltip",ste);
 	ste->get_text_edit()->set_scroll_pass_end_of_file(EditorSettings::get_singleton()->get("text_editor/scroll_past_end_of_file"));
 	ste->get_text_edit()->set_auto_brace_completion(EditorSettings::get_singleton()->get("text_editor/auto_brace_complete"));
+	ste->get_text_edit()->set_tab_size(EditorSettings::get_singleton()->get("text_editor/tab_size"));
 	ste->get_text_edit()->set_callhint_settings(
 		EditorSettings::get_singleton()->get("text_editor/put_callhint_tooltip_below_current_line"),
 		EditorSettings::get_singleton()->get("text_editor/callhint_tooltip_offset"));
@@ -2067,6 +2068,7 @@ void ScriptEditor::_editor_settings_changed() {
 
 		ste->get_text_edit()->set_auto_brace_completion(EditorSettings::get_singleton()->get("text_editor/auto_brace_complete"));
 		ste->get_text_edit()->set_scroll_pass_end_of_file(EditorSettings::get_singleton()->get("text_editor/scroll_past_end_of_file"));
+		ste->get_text_edit()->set_tab_size(EditorSettings::get_singleton()->get("text_editor/tab_size"));
 	}
 
 }