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Implement the index operations

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Scrolling of line buffer one line at a time, optionally saving the
scrolled of line in a history buffer.
This commit is contained in:
Kovid Goyal
2016-11-07 13:03:28 +05:30
parent 30128043d2
commit f63a4e7015
5 changed files with 183 additions and 31 deletions
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39
kitty_tests/datatypes.py
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@@ -22,7 +22,8 @@ class TestDataTypes(BaseTest):
old.set_attribute(REVERSE, False)
for y in range(old.ynum):
for x in range(old.xnum):
c = old.line(y).cursor_from(x)
l = old.line(y)
c = l.cursor_from(x)
self.assertFalse(c.reverse)
self.assertTrue(c.bold)
self.assertFalse(old.is_continued(0))
@@ -30,17 +31,43 @@ class TestDataTypes(BaseTest):
self.assertTrue(old.is_continued(0))
self.assertFalse(old.is_continued(1))
lb = filled_line_buf(5, 5, filled_cursor())
lb2 = LineBuf(5, 5)
lb2.copy_old(lb)
lb.index(0, 4)
for i in range(0, 4):
self.ae(lb.line(i), lb2.line(i+1))
self.ae(lb.line(4), lb2.line(0))
lb = filled_line_buf(5, 5, filled_cursor())
lb.index(1, 3)
self.ae(lb.line(0), lb2.line(0))
self.ae(lb.line(1), lb2.line(2))
self.ae(lb.line(2), lb2.line(3))
self.ae(lb.line(3), lb2.line(1))
self.ae(lb.line(4), lb2.line(4))
self.ae(lb.create_line_copy(1), lb2.line(2))
l = lb.create_line_copy(2)
lb.copy_line_to(1, l)
self.ae(l, lb2.line(2))
lb.clear_line(0)
self.ae(lb.line(0), LineBuf(1, lb.xnum).create_line_copy(0))
lb = filled_line_buf(5, 5, filled_cursor())
lb.reverse_index(0, 4)
self.ae(lb.line(0), lb2.line(4))
for i in range(1, 5):
self.ae(lb.line(i), lb2.line(i-1))
def test_line(self):
lb = LineBuf(2, 3)
for y in range(2):
for y in range(lb.ynum):
line = lb.line(y)
self.ae(str(line), ' ' * 3)
for x in range(3):
self.ae(str(line), ' ' * lb.xnum)
for x in range(lb.xnum):
self.ae(line[x], ' ')
with self.assertRaises(ValueError):
lb.line(5)
lb.line(lb.ynum)
with self.assertRaises(ValueError):
lb.line(0)[5]
lb.line(0)[lb.xnum]
l = lb.line(0)
l.add_combining_char(0, '1')
self.ae(l[0], ' 1')