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A new protocol extension to unscroll the screen

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See https://gitlab.freedesktop.org/terminal-wg/specifications/-/issues/30
This commit is contained in:
Kovid Goyal
2021-04-23 15:44:38 +05:30
parent 77b8e204ad
commit b32c346eed
7 changed files with 78 additions and 5 deletions
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3
kitty_tests/parser.py
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@@ -184,6 +184,9 @@ class TestParser(BaseTest):
pb('\033[3 @', ('Shift left escape code not implemented',))
pb('\033[3 A', ('Shift right escape code not implemented',))
pb('\033[3;4 S', ('Select presentation directions escape code not implemented',))
pb('\033[1T', ('screen_reverse_scroll', 1))
pb('\033[T', ('screen_reverse_scroll', 1))
pb('\033[+T', ('screen_reverse_scroll_and_fill_from_scrollback', 1))
def test_csi_code_rep(self):
s = self.create_screen(8)

6
kitty_tests/screen.py
View File

@@ -315,6 +315,12 @@ class TestScreen(BaseTest):
def assert_lines(*lines):
return self.ae(lines, tuple(str(s.line(i)) for i in range(s.lines)))
# test the reverse scroll function
s = prepare_screen(map(str, range(6)))
assert_lines('2', '3', '4', '5', '')
s.reverse_scroll(2, True)
assert_lines('0', '1', '2', '3', '4')
# Height increased, width unchanged → pull down lines to fill new space at the top
s = prepare_screen(map(str, range(6)))
assert_lines('2', '3', '4', '5', '')