in fact, only line feed/reverse line feed should cause scrolling

aside from displaying text, of course

1 files changed, 12 insertions, 8 deletions

diff --git a/src/screen.c b/src/screen.c
index 52bb37f..acf6f61 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -173,7 +173,7 @@ void vt100_screen_show_string_ascii(VT100Screen *vt, char *buf, size_t len)
 
         if (col >= vt->grid->max.col) {
             vt100_screen_row_at(vt, vt->grid->cur.row)->wrapped = 1;
-            vt100_screen_move_to(vt, vt->grid->cur.row + 1, 0);
+            vt100_screen_move_to(vt, vt->grid->cur.row + 1, 0, 1);
             col = 0;
         }
         cell = vt100_screen_cell_at(vt, vt->grid->cur.row, col++);
@@ -183,7 +183,7 @@ void vt100_screen_show_string_ascii(VT100Screen *vt, char *buf, size_t len)
         cell->attrs = vt->attrs;
         cell->is_wide = 0;
     }
-    vt100_screen_move_to(vt, vt->grid->cur.row, col);
+    vt100_screen_move_to(vt, vt->grid->cur.row, col, 0);
 }
 
 void vt100_screen_show_string_utf8(VT100Screen *vt, char *buf, size_t len)
@@ -250,7 +250,7 @@ void vt100_screen_show_string_utf8(VT100Screen *vt, char *buf, size_t len)
         else {
             if (col + (is_wide ? 2 : 1) > vt->grid->max.col) {
                 vt100_screen_row_at(vt, vt->grid->cur.row)->wrapped = 1;
-                vt100_screen_move_to(vt, vt->grid->cur.row + 1, 0);
+                vt100_screen_move_to(vt, vt->grid->cur.row + 1, 0, 1);
                 col = 0;
             }
             cell = vt100_screen_cell_at(vt, vt->grid->cur.row, col);
@@ -268,19 +268,23 @@ void vt100_screen_show_string_utf8(VT100Screen *vt, char *buf, size_t len)
             break;
         }
     }
-    vt100_screen_move_to(vt, vt->grid->cur.row, col);
+    vt100_screen_move_to(vt, vt->grid->cur.row, col, 0);
 }
 
-void vt100_screen_move_to(VT100Screen *vt, int row, int col)
+void vt100_screen_move_to(VT100Screen *vt, int row, int col, int scroll)
 {
     int top = vt->grid->scroll_top, bottom = vt->grid->scroll_bottom;
 
     if (row > bottom) {
-        vt100_screen_scroll_down(vt, row - bottom);
+        if (scroll) {
+            vt100_screen_scroll_down(vt, row - bottom);
+        }
         row = bottom;
     }
     else if (row < top) {
-        vt100_screen_scroll_up(vt, top - row);
+        if (scroll) {
+            vt100_screen_scroll_up(vt, top - row);
+        }
         row = top;
     }
 
@@ -528,7 +532,7 @@ void vt100_screen_set_scroll_region(
         ? vt->grid->max.row - 1
         : bottom;
 
-    vt100_screen_move_to(vt, vt->grid->scroll_top, 0);
+    vt100_screen_move_to(vt, vt->grid->scroll_top, 0, 0);
 }
 
 void vt100_screen_reset_text_attributes(VT100Screen *vt)