win32: winansi: implement \033[%uD

1 files changed, 15 insertions, 0 deletions

diff --git a/win32/winansi.c b/win32/winansi.c
index 51bfad67c..3e97779cb 100644
--- a/win32/winansi.c
+++ b/win32/winansi.c
@@ -110,6 +110,18 @@ static void erase_till_end_of_screen(void)
                                             pos, NULL);
 }
 
+static void move_cursor_back(int n)
+{
+        CONSOLE_SCREEN_BUFFER_INFO sbi;
+
+        if (!console)
+                return;
+
+        GetConsoleScreenBufferInfo(console, &sbi);
+        sbi.dwCursorPosition.X -= n;
+        SetConsoleCursorPosition(console, sbi.dwCursorPosition);
+}
+
 static const char *set_attr(const char *str)
 {
         const char *func;
@@ -248,6 +260,9 @@ static const char *set_attr(const char *str)
 
                 set_console_attr();
                 break;
+        case 'D':
+                move_cursor_back(strtol(str, (char **)&str, 10));
+                break;
         case 'J':
                 erase_till_end_of_screen();
                 break;