Fix scrolling when inserting at buffer end

1 files changed, 11 insertions, 0 deletions

diff --git a/jet.c b/jet.c
index 131802c..3146221 100644
--- a/jet.c
+++ b/jet.c
@@ -60,6 +60,9 @@ int main(int argc, char *argv[]) {
 					next_line(&window_start, window_width);
 				}
 				next_line(&cursor, window_width);
+				if (same_point(&cursor, &window_end)) {
+					move_point_backward(&cursor);
+				}
 				break;
 			case KEY_LEFT:
 				if (same_point(&cursor, &window_start)) {
@@ -72,6 +75,9 @@ int main(int argc, char *argv[]) {
 					next_line(&window_start, window_width);
 				}
 				move_point_forward(&cursor);
+				if (same_point(&cursor, &window_end)) {
+					move_point_backward(&cursor);
+				}
 				break;
 			case KEY_BACKSPACE:
 				if (same_point(&cursor, &window_start)) {
@@ -84,6 +90,11 @@ int main(int argc, char *argv[]) {
 					next_line(&window_start, window_width);
 				}
 				insert_at_point(&cursor, input);
+				move_point_backward(&cursor);
+				if (element(&cursor) == '\n') {
+					next_line(&window_start, window_width);
+				}
+				move_point_forward(&cursor);
 		}
 	}