1 files changed, 59 insertions, 0 deletions

diff --git a/win32/winansi.c b/win32/winansi.c
index e2e7010fb..d95bd473b 100644
--- a/win32/winansi.c
+++ b/win32/winansi.c
@@ -91,6 +91,48 @@ static void erase_in_line(void)
                 NULL);
 }
 
+static void erase_till_end_of_screen(void)
+{
+        CONSOLE_SCREEN_BUFFER_INFO sbi;
+        COORD pos;
+
+        if (!console)
+                return;
+
+        GetConsoleScreenBufferInfo(console, &sbi);
+        FillConsoleOutputCharacterA(console, ' ',
+                sbi.dwSize.X - sbi.dwCursorPosition.X, sbi.dwCursorPosition,
+                NULL);
+
+        pos.X = 0;
+        for (pos.Y = sbi.dwCursorPosition.Y+1; pos.Y < sbi.dwSize.Y; pos.Y++)
+                FillConsoleOutputCharacterA(console, ' ', sbi.dwSize.X,
+                                            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 void move_cursor(int x, int y)
+{
+        COORD pos;
+
+        if (!console)
+                return;
+
+        pos.X = x;
+        pos.Y = y;
+        SetConsoleCursorPosition(console, pos);
+}
 
 static const char *set_attr(const char *str)
 {
@@ -230,6 +272,23 @@ static const char *set_attr(const char *str)
 
                 set_console_attr();
                 break;
+        case 'D':
+                move_cursor_back(strtol(str, (char **)&str, 10));
+                break;
+        case 'H':
+                if (!len)
+                        move_cursor(0, 0);
+                else {
+                        int row = strtol(str, (char **)&str, 10);
+                        if (*str == ';') {
+                                int col = strtol(str+1, (char **)&str, 10);
+                                move_cursor(col, row);
+                        }
+                }
+                break;
+        case 'J':
+                erase_till_end_of_screen();
+                break;
         case 'K':
                 erase_in_line();
                 break;