Text Editor: Auto indent for backspace/delete

Editing with spaces + auto-indent didn't delete indentation as expected.

1 files changed, 26 insertions, 0 deletions

diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c
index 5c17ebc37c6..d404e7aaf15 100644
--- a/source/blender/editors/space_text/text_ops.c
+++ b/source/blender/editors/space_text/text_ops.c
@@ -1951,6 +1951,19 @@ static int text_delete_exec(bContext *C, wmOperator *op)
 		txt_backspace_word(text);
 	}
 	else if (type == DEL_PREV_CHAR) {
+
+		if (text->flags & TXT_TABSTOSPACES) {
+			if (!txt_has_sel(text) && !txt_cursor_is_line_start(text)) {
+				int tabsize = 0;
+				tabsize = txt_calc_tab_left(text->curl, text->curc);
+				if (tabsize) {
+					text->sell = text->curl;
+					text->selc = text->curc - tabsize;
+					txt_order_cursors(text, false);
+				}
+			}
+		}
+
 		txt_backspace_char(text);
 	}
 	else if (type == DEL_NEXT_WORD) {
@@ -1960,6 +1973,19 @@ static int text_delete_exec(bContext *C, wmOperator *op)
 		txt_delete_word(text);
 	}
 	else if (type == DEL_NEXT_CHAR) {
+
+		if (text->flags & TXT_TABSTOSPACES) {
+			if (!txt_has_sel(text) && !txt_cursor_is_line_end(text)) {
+				int tabsize = 0;
+				tabsize = txt_calc_tab_right(text->curl, text->curc);
+				if (tabsize) {
+					text->sell = text->curl;
+					text->selc = text->curc + tabsize;
+					txt_order_cursors(text, true);
+				}
+			}
+		}
+
 		txt_delete_char(text);
 	}