Fix scrolling to negative offsets

2019-09-13 17:32:47 -07:00
parent 47e8aa0145
commit a0b7eb2f9c
2 changed files with 20 additions and 0 deletions
--- a/babi.py
+++ b/babi.py
@@ -61,6 +61,7 @@ class Position:
    def maybe_scroll_up(self, margin: Margin) -> None:
        if self.cursor_line < self.file_line:
            self.file_line -= self._scroll_amount()
+            self.file_line = max(self.file_line, 0)

    def up(self, margin: Margin, lines: List[str]) -> None:
        if self.cursor_line > 0: