我的应用程序是使用Python 3.7，PyQt5和python-chess的最新版本编写的。我有一个python-chess本身制作的SVG棋盘。我的应用程序可以处理棋盘上的鼠标单击，以突出显示单击的方块。我的精度有问题。有时，相邻的正方形会突出显示。我的棋盘左侧和顶部都有棋盘坐标，这是导致我的错误的根本原因。没有棋盘坐标，它会完美工作。
如果有人有兴趣帮助我，这是代码。
DataSource答案 0 :(得分：-1)
我最终得到的解决方案是：
"""
Docstring.
"""
import chess
import chess.svg
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtSvg import QSvgWidget
COORDINATES = True
FLIPPED = False
class Chessboard(QSvgWidget):
"""
Docstring.
"""
def __init__(self):
"""
Docstring.
"""
super().__init__()
self.clicked_square = -20
self.move_from_square = -20
self.move_to_square = -20
self.piece_to_move = [None, None]
self.chessboard = chess.Board()
self.draw_chessboard()
@pyqtSlot(QSvgWidget)
def mousePressEvent(self, event):
"""
Docstring.
"""
x_position = event.x()
y_position = event.y()
file_a = x_position in range(40, 131)
file_b = x_position in range(130, 221)
file_c = x_position in range(220, 311)
file_d = x_position in range(310, 401)
file_e = x_position in range(400, 491)
file_f = x_position in range(490, 581)
file_g = x_position in range(580, 671)
file_h = x_position in range(670, 761)
rank_1 = y_position in range(670, 761)
rank_2 = y_position in range(580, 671)
rank_3 = y_position in range(490, 581)
rank_4 = y_position in range(400, 491)
rank_5 = y_position in range(310, 401)
rank_6 = y_position in range(220, 311)
rank_7 = y_position in range(130, 221)
rank_8 = y_position in range(40, 131)
a1 = file_a and rank_1
b1 = file_b and rank_1
c1 = file_c and rank_1
d1 = file_d and rank_1
e1 = file_e and rank_1
f1 = file_f and rank_1
g1 = file_g and rank_1
h1 = file_h and rank_1
a2 = file_a and rank_2
b2 = file_b and rank_2
c2 = file_c and rank_2
d2 = file_d and rank_2
e2 = file_e and rank_2
f2 = file_f and rank_2
g2 = file_g and rank_2
h2 = file_h and rank_2
a3 = file_a and rank_3
b3 = file_b and rank_3
c3 = file_c and rank_3
d3 = file_d and rank_3
e3 = file_e and rank_3
f3 = file_f and rank_3
g3 = file_g and rank_3
h3 = file_h and rank_3
a4 = file_a and rank_4
b4 = file_b and rank_4
c4 = file_c and rank_4
d4 = file_d and rank_4
e4 = file_e and rank_4
f4 = file_f and rank_4
g4 = file_g and rank_4
h4 = file_h and rank_4
a5 = file_a and rank_5
b5 = file_b and rank_5
c5 = file_c and rank_5
d5 = file_d and rank_5
e5 = file_e and rank_5
f5 = file_f and rank_5
g5 = file_g and rank_5
h5 = file_h and rank_5
a6 = file_a and rank_6
b6 = file_b and rank_6
c6 = file_c and rank_6
d6 = file_d and rank_6
e6 = file_e and rank_6
f6 = file_f and rank_6
g6 = file_g and rank_6
h6 = file_h and rank_6
a7 = file_a and rank_7
b7 = file_b and rank_7
c7 = file_c and rank_7
d7 = file_d and rank_7
e7 = file_e and rank_7
f7 = file_f and rank_7
g7 = file_g and rank_7
h7 = file_h and rank_7
a8 = file_a and rank_8
b8 = file_b and rank_8
c8 = file_c and rank_8
d8 = file_d and rank_8
e8 = file_e and rank_8
f8 = file_f and rank_8
g8 = file_g and rank_8
h8 = file_h and rank_8
file = 0
rank = 0
if a1:
file = 0
rank = 0
elif b1:
file = 1
rank = 0
elif c1:
file = 2
rank = 0
elif d1:
file = 3
rank = 0
elif e1:
file = 4
rank = 0
elif f1:
file = 5
rank = 0
elif g1:
file = 6
rank = 0
elif h1:
file = 7
rank = 0
elif a2:
file = 0
rank = 1
elif b2:
file = 1
rank = 1
elif c2:
file = 2
rank = 1
elif d2:
file = 3
rank = 1
elif e2:
file = 4
rank = 1
elif f2:
file = 5
rank = 1
elif g2:
file = 6
rank = 1
elif h2:
file = 7
rank = 1
elif a3:
file = 0
rank = 2
elif b3:
file = 1
rank = 2
elif c3:
file = 2
rank = 2
elif d3:
file = 3
rank = 2
elif e3:
file = 4
rank = 2
elif f3:
file = 5
rank = 2
elif g3:
file = 6
rank = 2
elif h3:
file = 7
rank = 2
elif a4:
file = 0
rank = 3
elif b4:
file = 1
rank = 3
elif c4:
file = 2
rank = 3
elif d4:
file = 3
rank = 3
elif e4:
file = 4
rank = 3
elif f4:
file = 5
rank = 3
elif g4:
file = 6
rank = 3
elif h4:
file = 7
rank = 3
elif a5:
file = 0
rank = 4
elif b5:
file = 1
rank = 4
elif c5:
file = 2
rank = 4
elif d5:
file = 3
rank = 4
elif e5:
file = 4
rank = 4
elif f5:
file = 5
rank = 4
elif g5:
file = 6
rank = 4
elif h5:
file = 7
rank = 4
elif a6:
file = 0
rank = 5
elif b6:
file = 1
rank = 5
elif c6:
file = 2
rank = 5
elif d6:
file = 3
rank = 5
elif e6:
file = 4
rank = 5
elif f6:
file = 5
rank = 5
elif g6:
file = 6
rank = 5
elif h6:
file = 7
rank = 5
elif a7:
file = 0
rank = 6
elif b7:
file = 1
rank = 6
elif c7:
file = 2
rank = 6
elif d7:
file = 3
rank = 6
elif e7:
file = 4
rank = 6
elif f7:
file = 5
rank = 6
elif g7:
file = 6
rank = 6
elif h7:
file = 7
rank = 6
elif a8:
file = 0
rank = 7
elif b8:
file = 1
rank = 7
elif c8:
file = 2
rank = 7
elif d8:
file = 3
rank = 7
elif e8:
file = 4
rank = 7
elif f8:
file = 5
rank = 7
elif g8:
file = 6
rank = 7
elif h8:
file = 7
rank = 7
self.clicked_square = chess.square(file,
rank)
piece = self.chessboard.piece_at(self.clicked_square)
file_character = chr(file + 97)
rank_number = str(rank + 1)
ply = f"{file_character}{rank_number}"
if self.piece_to_move[0]:
move = chess.Move.from_uci(f"{self.piece_to_move[1]}{ply}")
if move in self.chessboard.legal_moves:
self.chessboard.push(move)
self.move_from_square = move.from_square
self.move_to_square = move.to_square
piece = None
ply = None
self.piece_to_move = [piece, ply]
self.draw_chessboard()
def draw_chessboard(self):
"""
Docstring.
"""
is_it_check = self.chessboard.king(self.chessboard.turn) \
if self.chessboard.is_check() \
else None
self.svg_chessboard = chess.svg.board(board=self.chessboard,
lastmove=chess.Move(from_square=self.move_from_square,
to_square=self.move_to_square),
arrows=[(self.clicked_square, self.clicked_square),
(self.move_from_square, self.move_to_square)],
check=is_it_check,
flipped=FLIPPED,
coordinates=COORDINATES,
size=800)
self.svg_chessboard_encoded = self.svg_chessboard.encode("utf-8")
self.load(self.svg_chessboard_encoded)