Make backspace work (pretty minimally)

1 files changed, 25 insertions, 1 deletions

diff --git a/src/sc_editor.c b/src/sc_editor.c
index ca37853..c75c8ac 100644
--- a/src/sc_editor.c
+++ b/src/sc_editor.c
@@ -605,7 +605,31 @@ static void insert_text(char *t, SCEditor *e)
 
 static void do_backspace(struct frame *fr, SCEditor *e)
 {
-	/* FIXME: Delete at the cursor */
+	int old_pos = e->cursor_pos;
+	int old_para = e->cursor_para;
+	int old_trail = e->cursor_trail;
+
+	int new_para = old_para;
+	int new_pos = old_pos;
+	int new_trail = old_trail;
+
+	Paragraph *para = e->cursor_frame->paras[old_para];
+
+	cursor_moveh(e->cursor_frame, &new_para, &new_pos, &new_trail, -1);
+	cursor_moveh(e->cursor_frame, &e->cursor_para, &e->cursor_pos,
+	             &e->cursor_trail, -1);
+	if ( e->cursor_para != old_para ) {
+		/* FIXME: Implement this case */
+		printf("Merge paragraphs!\n");
+		return;
+	}
+
+	delete_text_in_paragraph(para, e->cursor_pos+e->cursor_trail,
+	                         old_pos+old_trail);
+
+	wrap_paragraph(para, NULL, e->cursor_frame->w - e->cursor_frame->pad_l
+	                            - e->cursor_frame->pad_r);
+
 	sc_editor_redraw(e);
 }