[3.13] gh-123024: Correctly prepare/restore around help and show-history commands (GH-124485) (#129155)

gh-123024: Correctly prepare/restore around help and show-history commands (GH-124485)
(cherry picked from commit 5a9afe2362)

Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Emily Morehouse <emily@cuttlesoft.com>
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2025-01-21 23:15:57 +01:00 committed by GitHub
parent 3048dcd15a
commit 0ddcb61ffe
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
7 changed files with 77 additions and 57 deletions

View file

@ -240,7 +240,7 @@ class UnixConsole(Console):
self.__hide_cursor()
self.__move(0, len(self.screen) - 1)
self.__write("\n")
self.__posxy = 0, len(self.screen)
self.posxy = 0, len(self.screen)
self.screen.append("")
else:
while len(self.screen) < len(screen):
@ -250,7 +250,7 @@ class UnixConsole(Console):
self.__gone_tall = 1
self.__move = self.__move_tall
px, py = self.__posxy
px, py = self.posxy
old_offset = offset = self.__offset
height = self.height
@ -271,7 +271,7 @@ class UnixConsole(Console):
if old_offset > offset and self._ri:
self.__hide_cursor()
self.__write_code(self._cup, 0, 0)
self.__posxy = 0, old_offset
self.posxy = 0, old_offset
for i in range(old_offset - offset):
self.__write_code(self._ri)
oldscr.pop(-1)
@ -279,7 +279,7 @@ class UnixConsole(Console):
elif old_offset < offset and self._ind:
self.__hide_cursor()
self.__write_code(self._cup, self.height - 1, 0)
self.__posxy = 0, old_offset + self.height - 1
self.posxy = 0, old_offset + self.height - 1
for i in range(offset - old_offset):
self.__write_code(self._ind)
oldscr.pop(0)
@ -299,7 +299,7 @@ class UnixConsole(Console):
while y < len(oldscr):
self.__hide_cursor()
self.__move(0, y)
self.__posxy = 0, y
self.posxy = 0, y
self.__write_code(self._el)
y += 1
@ -321,7 +321,7 @@ class UnixConsole(Console):
self.event_queue.insert(Event("scroll", None))
else:
self.__move(x, y)
self.__posxy = x, y
self.posxy = x, y
self.flushoutput()
def prepare(self):
@ -350,7 +350,7 @@ class UnixConsole(Console):
self.__buffer = []
self.__posxy = 0, 0
self.posxy = 0, 0
self.__gone_tall = 0
self.__move = self.__move_short
self.__offset = 0
@ -559,7 +559,7 @@ class UnixConsole(Console):
self.__write_code(self._clear)
self.__gone_tall = 1
self.__move = self.__move_tall
self.__posxy = 0, 0
self.posxy = 0, 0
self.screen = []
@property
@ -644,8 +644,8 @@ class UnixConsole(Console):
# if we need to insert a single character right after the first detected change
if oldline[x_pos:] == newline[x_pos + 1 :] and self.ich1:
if (
y == self.__posxy[1]
and x_coord > self.__posxy[0]
y == self.posxy[1]
and x_coord > self.posxy[0]
and oldline[px_pos:x_pos] == newline[px_pos + 1 : x_pos + 1]
):
x_pos = px_pos
@ -654,7 +654,7 @@ class UnixConsole(Console):
self.__move(x_coord, y)
self.__write_code(self.ich1)
self.__write(newline[x_pos])
self.__posxy = x_coord + character_width, y
self.posxy = x_coord + character_width, y
# if it's a single character change in the middle of the line
elif (
@ -665,7 +665,7 @@ class UnixConsole(Console):
character_width = wlen(newline[x_pos])
self.__move(x_coord, y)
self.__write(newline[x_pos])
self.__posxy = x_coord + character_width, y
self.posxy = x_coord + character_width, y
# if this is the last character to fit in the line and we edit in the middle of the line
elif (
@ -677,14 +677,14 @@ class UnixConsole(Console):
):
self.__hide_cursor()
self.__move(self.width - 2, y)
self.__posxy = self.width - 2, y
self.posxy = self.width - 2, y
self.__write_code(self.dch1)
character_width = wlen(newline[x_pos])
self.__move(x_coord, y)
self.__write_code(self.ich1)
self.__write(newline[x_pos])
self.__posxy = character_width + 1, y
self.posxy = character_width + 1, y
else:
self.__hide_cursor()
@ -692,7 +692,7 @@ class UnixConsole(Console):
if wlen(oldline) > wlen(newline):
self.__write_code(self._el)
self.__write(newline[x_pos:])
self.__posxy = wlen(newline), y
self.posxy = wlen(newline), y
if "\x1b" in newline:
# ANSI escape characters are present, so we can't assume
@ -711,32 +711,36 @@ class UnixConsole(Console):
self.__write_code(fmt, *args)
def __move_y_cuu1_cud1(self, y):
dy = y - self.__posxy[1]
assert self._cud1 is not None
assert self._cuu1 is not None
dy = y - self.posxy[1]
if dy > 0:
self.__write_code(dy * self._cud1)
elif dy < 0:
self.__write_code((-dy) * self._cuu1)
def __move_y_cuu_cud(self, y):
dy = y - self.__posxy[1]
dy = y - self.posxy[1]
if dy > 0:
self.__write_code(self._cud, dy)
elif dy < 0:
self.__write_code(self._cuu, -dy)
def __move_x_hpa(self, x: int) -> None:
if x != self.__posxy[0]:
if x != self.posxy[0]:
self.__write_code(self._hpa, x)
def __move_x_cub1_cuf1(self, x: int) -> None:
dx = x - self.__posxy[0]
assert self._cuf1 is not None
assert self._cub1 is not None
dx = x - self.posxy[0]
if dx > 0:
self.__write_code(self._cuf1 * dx)
elif dx < 0:
self.__write_code(self._cub1 * (-dx))
def __move_x_cub_cuf(self, x: int) -> None:
dx = x - self.__posxy[0]
dx = x - self.posxy[0]
if dx > 0:
self.__write_code(self._cuf, dx)
elif dx < 0:
@ -766,12 +770,12 @@ class UnixConsole(Console):
def repaint(self):
if not self.__gone_tall:
self.__posxy = 0, self.__posxy[1]
self.posxy = 0, self.posxy[1]
self.__write("\r")
ns = len(self.screen) * ["\000" * self.width]
self.screen = ns
else:
self.__posxy = 0, self.__offset
self.posxy = 0, self.__offset
self.__move(0, self.__offset)
ns = self.height * ["\000" * self.width]
self.screen = ns