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Implement DECCARA

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Ability to set text attributes/colors in arbitrary screen regions,
instead of working via the cursor. Note that kitty extends the original
DECCARA spec from the VT-510 to allow setting all supported SGR
attributes.
This commit is contained in:
Kovid Goyal
2017-12-17 18:03:39 +05:30
parent 2d62e10a7e
commit d48b76508b
6 changed files with 239 additions and 43 deletions
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34
kitty_tests/parser.py
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@@ -278,3 +278,37 @@ class TestParser(BaseTest):
e('s=', 'Malformed graphics control block, expecting an integer value')
e('s==', 'Malformed graphics control block, expecting an integer value for key: s')
e('s=1=', 'Malformed graphics control block, expecting a comma or semi-colon after a value, found: 0x3d')
def test_deccara(self):
s = self.create_screen()
pb = partial(self.parse_bytes_dump, s)
pb('\033[$r', ('deccara', '0 0 0 0 0 '))
pb('\033[;;;;4:3;38:5:10;48:2:1:2:3;1$r',
('deccara', '0 0 0 0 4 3 '), ('deccara', '0 0 0 0 38 5 10 '), ('deccara', '0 0 0 0 48 2 1 2 3 '), ('deccara', '0 0 0 0 1 '))
for y in range(s.lines):
line = s.line(y)
for x in range(s.columns):
c = line.cursor_from(x)
self.ae(c.bold, True)
self.ae(c.italic, False)
self.ae(c.decoration, 3)
self.ae(c.fg, (10 << 8) | 1)
self.ae(c.bg, (1 << 24 | 2 << 16 | 3 << 8 | 2))
self.ae(s.line(0).cursor_from(0).bold, True)
pb('\033[1;2;2;3;22;39$r', ('deccara', '1 2 2 3 22 '), ('deccara', '1 2 2 3 39 '))
self.ae(s.line(0).cursor_from(0).bold, True)
line = s.line(0)
for x in range(1, s.columns):
c = line.cursor_from(x)
self.ae(c.bold, False)
self.ae(c.fg, 0)
line = s.line(1)
for x in range(0, 3):
c = line.cursor_from(x)
self.ae(c.bold, False)
self.ae(line.cursor_from(3).bold, True)
pb('\033[2*x\033[3;2;4;3;34$r\033[*x', ('screen_decsace', 2), ('deccara', '3 2 4 3 34 '), ('screen_decsace', 0))
for y in range(2, 4):
line = s.line(y)
for x in range(s.columns):
self.ae(line.cursor_from(x).fg, (10 << 8 | 1) if x < 1 or x > 2 else (4 << 8) | 1)