def _create_widget(self, value):
if isinstance(value, str):
widget = QLineEdit()
widget.setText(value)
widget.setPlaceholderText('String Val')
elif isinstance(value, list):
return [self._create_widget(v) for v in value]
else:
if isinstance(value, int):
widget = QSpinBox()
else:
widget = QDoubleSpinBox()
decimal = str(value)[::-1].find('.')
widget.setDecimals(decimal)
widget.setSingleStep(pow(10, -decimal))
widget.setMinimum(-9999999)
widget.setMaximum(9999999)
widget.setValue(value)
widget.setFixedWidth(100)
widget.setAlignment(Qt.AlignRight)
return widget
class MainWindow(QMainWindow):
# 求解完成信号
done1Signal = pyqtSignal(str)
done2Signal = pyqtSignal(str)
def __init__(self):
super().__init__()
# 移动两根火柴和移动一根火柴的按钮
self.twobtn = QPushButton(self)
self.onebtn = QPushButton(self)
# 文本输入框以及提示字符，接受输入的等式
self.tip1 = QLabel(self)
self.facin1 = QLineEdit(self)
self.opin = QLineEdit(self)
self.tipop = QLabel(self)
self.facin2 = QLineEdit(self)
self.tip2 = QLabel(self)
self.ansin = QLineEdit(self)
self.equaop = QLabel(self)
self.tipans = QLabel(self)
self.toolbar = QToolBar()
# 数码管显示，由于算符无法使用故使用QLabel代替
self.lcd1 = QLCDNumber(self)
self.lcd2 = QLCDNumber(self)
self.lcd3 = QLCDNumber(self)
self.lcd1.setDigitCount(2)
self.lcd2.setDigitCount(2)
self.lcd3.setDigitCount(2)
self.lcd1.setMode(QLCDNumber.Dec)
self.lcd2.setMode(QLCDNumber.Dec)
self.lcd3.setMode(QLCDNumber.Dec)
self.lcd1.setSegmentStyle(QLCDNumber.Flat)
self.lcd1.setStyleSheet("border: 2px solid black; color: green; background: silver;")
self.lcd2.setSegmentStyle(QLCDNumber.Flat)
self.lcd2.setStyleSheet("border: 2px solid black; color: green; background: silver;")
self.lcd3.setSegmentStyle(QLCDNumber.Flat)
self.lcd3.setStyleSheet("border: 2px solid black; color: green; background: silver;")
self.lcdop = QLabel(self)
self.lcdeq = QLabel(self)
# 上翻，下翻展示
self.last = QPushButton(self)
self.next = QPushButton(self)
# 提示信息，提示是否有解，有解还将显示难度系数
self.tips = QTextBrowser(self)
# 程序名及版本号
self.version = 'SmartMatch_v1.1.18'
# 帮助子窗口
self.help = HelpWindow()
# 等式库子窗口
self.lib = LibraryWindow()
# 移动一根所有变化的状态空间
self.closed1 = []
# 移动两根所有变化的状态空间
self.closed2 = []
# 等式列表
self.showlist = []
# 是否可保存
self.allowed = 0
# 等式列表中当前的等式序号
self.now = 0
# 输入为等式的标记
self.initeq = 0
# 状态栏
self.status = self.statusBar()
self.init_ui()
def init_ui(self):
# 两个列表存放搜索结果
# 默认使用了我的桌面分辨率大小的标准尺寸
width = 1440
height = 900
x = width / 4
y = height / 4
w = width / 2
h = height / 2
# 创建全屏主窗口
self.setGeometry(x, y, w, h)
self.setWindowTitle(self.version)
self.setWindowIcon(QIcon("../images/icon.jpg"))
#设置主窗口背景
palette = QPalette()
palette.setBrush(self.backgroundRole(), QBrush(QPixmap('../images/background.png')))
self.setPalette(palette)
# 进入后的提示信息
self.status.showMessage("欢迎")
# 创建工具栏
self.addToolBar(self.toolbar)
self.facin1.move(w / 6, h / 4)
self.facin1.resize(w / 12, h / 12)
self.facin1.setMaxLength(2)
self.facin1.setFont(QFont('Roman times', 20, QFont.DemiBold))
self.facin1.setAlignment(Qt.AlignCenter)
self.tip1.move(w / 6, h / 6)
self.tip1.resize(w / 12, h / 12)
self.tip1.setText('Number1:')
self.tip1.setFont(QFont('Roman times', 12, QFont.DemiBold))
self.tip1.setAlignment(Qt.AlignCenter)
self.opin.move(w/3, h / 4)
self.opin.resize(w / 24, h / 12)
self.opin.setMaxLength(1)
self.opin.setFont(QFont('Roman times', 20, QFont.DemiBold))
self.opin.setAlignment(Qt.AlignCenter)
self.tipop.move(5*w/16, h / 6)
self.tipop.resize(w / 12, h / 12)
self.tipop.setText('Operator:')
self.tipop.setFont(QFont('Roman times', 12, QFont.DemiBold))
self.tipop.setAlignment(Qt.AlignCenter)
self.facin2.move(11*w/24, h / 4)
self.facin2.resize(w / 12, h / 12)
self.facin2.setMaxLength(2)
self.facin2.setFont(QFont('Roman times', 20, QFont.DemiBold))
self.facin2.setAlignment(Qt.AlignCenter)
self.tip2.move(11*w/24, h / 6)
self.tip2.resize(w / 12, h / 12)
self.tip2.setText('Number2:')
self.tip2.setFont(QFont('Roman times', 12, QFont.DemiBold))
self.tip2.setAlignment(Qt.AlignCenter)
self.equaop.move(5*w/8, h / 4)
self.equaop.resize(w / 24, h / 12)
self.equaop.setText('=')
self.equaop.setFont(QFont('Roman time2', 20, QFont.DemiBold))
self.equaop.setAlignment(Qt.AlignCenter)
self.ansin.move(3*w/4, h / 4)
self.ansin.resize(w / 12, h / 12)
self.ansin.setMaxLength(2)
self.ansin.setFont(QFont('Roman times', 20, QFont.DemiBold))
self.ansin.setAlignment(Qt.AlignCenter)
self.tipans.move(3*w/4, h / 6)
self.tipans.resize(w / 12, h / 12)
self.tipans.setText('Answer:')
self.tipans.setFont(QFont('Roman times', 12, QFont.DemiBold))
self.tipans.setAlignment(Qt.AlignCenter)
# 移动一根火柴按钮
self.onebtn.move(w / 3, 3 * h / 8)
self.onebtn.resize(w / 3, h / 16)
self.onebtn.setText('搜索只移动一根火柴的结果')
self.onebtn.setStatusTip('开始搜索只移动一根火柴的所有结果')
self.onebtn.clicked.connect(lambda: self.startSearch(1))
# 移动两根火柴按钮
self.twobtn.move(w / 3, 7 * h / 16)
self.twobtn.resize(w / 3, h / 16)
self.twobtn.setText('搜索只移动两根火柴的结果')
self.twobtn.setStatusTip('开始搜索只移动两根火柴的所有结果')
self.twobtn.clicked.connect(lambda: self.startSearch(2))
# LCD显示摆放
self.lcd1.move(w/6, 7*h/12)
self.lcd1.resize(w/12, h/8)
self.lcd2.move(11*w/24, 7*h/12)
self.lcd2.resize(w/12, h/8)
self.lcd3.move(3*w/4, 7*h/12)
self.lcd3.resize(w/12, h/8)
self.lcdeq.move(5*w/8, 7*h/12)
self.lcdeq.resize(w/24, h/8)
self.lcdeq.setText('=')
self.lcdeq.setStyleSheet("font:30pt;border-width: 2px;border-style: solid;border-color: rgb(0, 0, 0);"
"background:silver;color: green;")
self.lcdeq.setAlignment(Qt.AlignCenter)
self.lcdop.move(w/3, 7*h/12)
self.lcdop.resize(w/24, h/8)
self.lcdop.setStyleSheet("font:30pt;border-width: 2px;border-style: solid;border-color: rgb(0, 0, 0);"
"background:silver;color: green;")
self.lcdop.setAlignment(Qt.AlignCenter)
# 状态信息显示
self.tips.move(w/6, 3*h/4)
self.tips.resize(2*w/3, h/10)
self.tips.setStyleSheet("background:white;font:12pt")
# 上翻下翻
self.last.move(w/4, 17*h/20)
self.last.resize(w/8, h/18)
self.last.setText('上一个')
self.last.setStatusTip('查看上一个可行解')
self.last.clicked.connect(lambda: self.changeShow(1))
self.next.move(5*w/8, 17*h/20)
self.next.resize(w/8, h/18)
self.next.setText('下一个')
self.next.setStatusTip('查看下一个可行解')
self.next.clicked.connect(lambda: self.changeShow(2))
# 退出动作
exitAct = QAction(QIcon('../images/exit.png'), '&Exit', self)
# mac系统下的快捷键
exitAct.setShortcut('command+Q')
exitAct.setStatusTip('退出')
exitAct.setToolTip('快捷键:command+Q')
exitAct.triggered.connect(lambda: self.sureClose())
# 移动一根火柴动作
start1Act = QAction(QIcon('../images/start1.png'), '&Start1', self)
start1Act.setShortcut('command+W')
start1Act.setToolTip('快捷键:command+W')
start1Act.setStatusTip('开始搜索只移动一根火柴的所有结果')
start1Act.triggered.connect(lambda: self.startSearch(1))
# 移动两根火柴动作
start2Act = QAction(QIcon('../images/start2.png'), '&Start2', self)
start2Act.setShortcut('command+E')
start2Act.setToolTip('快捷键:command+E')
start2Act.setStatusTip('开始搜索只移动两根火柴的所有结果')
start2Act.triggered.connect(lambda: self.startSearch(2))
# 从库中选择等式动作
openLib = QAction(QIcon('../images/lib.png'), '&Library', self)
openLib.setShortcut('command+R')
openLib.setToolTip('快捷键:command+R')
openLib.setStatusTip('打开已有等式库')
openLib.triggered.connect(lambda: self.openLibrary())
# 打开帮助和信息界面
openHelp = QAction(QIcon('../images/help.png'), '&Help', self)
openHelp.setShortcut('command+A')
openHelp.setToolTip('快捷键:command+A')
openHelp.setStatusTip('打开帮助界面')
openHelp.triggered.connect(lambda: self.openHelp())
# 保存可解等式动作
saveEquation = QAction(QIcon('../images/save.png'), '&Save', self)
saveEquation.setShortcut('command+S')
saveEquation.setToolTip('快捷键:command+S')
saveEquation.setShortcut('保存可解的等式')
saveEquation.setStatusTip('保存当前的可解等式')
saveEquation.triggered.connect(lambda: self.saveEquation())
# 清除输入和工作区动作
clearAll = QAction(QIcon('../images/clear.png'), 'Clear', self)
clearAll.setShortcut('command+C')
clearAll.setToolTip('快捷键:command+C')
clearAll.setShortcut('清除输入及变量')
clearAll.setStatusTip('清除输入及变量')
clearAll.triggered.connect(lambda: self.clearAction())
self.toolbar.addAction(start1Act)
self.toolbar.addAction(start2Act)
self.toolbar.addAction(clearAll)
self.toolbar.addAction(openLib)
self.toolbar.addAction(saveEquation)
self.toolbar.addAction(openHelp)
self.toolbar.addAction(exitAct)
# 信号和槽连接
self.done1Signal.connect(self.getDone1)
self.done2Signal.connect(self.getDone2)
# 主功能函数，移动一根或两根全搜索
def startSearch(self, num):
self.varClear()
self.lcdClear()
common = '请确保{}方格内输入{}。'
if self.facin1.text() == '':
warn = QMessageBox.about(self, '错误提示', common.format('Number1', '数字'))
self.status.showMessage('空输入错误')
elif self.facin2.text() == '':
warn = QMessageBox.about(self, '错误提示', common.format('Number2', '数字'))
self.status.showMessage('空输入错误')
elif self.ansin.text() == '':
warn = QMessageBox.about(self, '错误提示', common.format('Answer', '数字'))
self.status.showMessage('空输入错误')
elif self.opin.text() == '':
warn = QMessageBox.about(self, '错误提示', common.format('Operator', '"+", "-"或"*"号'))
self.status.showMessage('空输入错误')
else:
try:
fac1 = str(self.facin1.text())
for x in range(0, len(fac1)):
int(fac1[x])
fac2 = str(self.facin2.text())
for x in range(0, len(fac2)):
int(fac2[x])
ans = str(self.ansin.text())
for x in range(0, len(ans)):
int(ans[x])
except ValueError:
warn = QMessageBox.about(self, '类型错误', common.format('Number1, Nubmber2和Answer', '仅为阿拉伯数字'))
self.status.showMessage('输入类型错误')
else:
fac1 = str(self.facin1.text())
fac2 = str(self.facin2.text())
op = str(self.opin.text())
ans = str(self.ansin.text())
if not(op == '+' or op == '-' or op == '*'):
warn = QMessageBox.about(self, '类型错误', common.format('Operator', '"+", "-"或"*"号'))
self.status.showMessage('输入类型错误')
else:
base = MatchEquation(fac1, fac2, ans, op)
if num == 1:
self.closed1 = onePerop(base)
self.done1Signal.emit('Done')
elif num == 2:
self.closed2 = twoPerop(base)
self.done2Signal.emit('Done')
self.status.showMessage('完成')
# 打开等式库子窗口，接收选择等式
def openLibrary(self):
self.lib.show()
self.lib.equationSignal.connect(self.getLibequation)
# 打开帮助界面子窗口
def openHelp(self):
self.help.show()
# 接收等式库子窗口的信号
def getLibequation(self, connect):
temp = ''
for x in range(0, len(connect)):
if connect[x] == '+' or connect[x] == '-' or connect[x] == '*':
self.opin.setText(connect[x])
self.facin1.setText(temp)
temp = ''
elif connect[x] == '=':
self.facin2.setText(temp)
temp = ''
else:
temp = temp + connect[x]
self.ansin.setText(temp)
# 接受对移动一根火柴问题求解完成的信号
def getDone1(self, connect):
ansNum = 0
for equation in self.closed1:
if equation.equal == True:
ansNum = ansNum + 1
self.showlist.append(equation)
if ansNum == 0 or (ansNum == 1 and self.closed1[0] == self.showlist[0]):
self.tips.setText('很抱歉，该等式通过移动一根火柴无解。')
elif ansNum > 1 and self.closed1[0] == self.showlist[0]:
self.allowed = 1
self.initeq = 1
self.now = self.now + 1
info1 = '该问题是将等式变为新的等式问题, 有{}种新等式'
info2 = '该问题的难度系数为{:.2f}'
self.tips.setText(info1.format(ansNum - 1) + '<br>' + info2.format(len(self.closed1) / (ansNum - 1)))
self.lcd1.display(self.showlist[self.now].factor1.tostr())
self.lcd2.display(self.showlist[self.now].factor2.tostr())
self.lcd3.display(self.showlist[self.now].answer.tostr())
self.lcdop.setText(self.showlist[self.now].operator.tostr())
else:
self.allowed = 1
info1 = '通过移动一根火柴使等式成立，有{}种可行的解法'
info2 = '该问题的难度系数为{:.2f}'
self.tips.setText(info1.format(ansNum)+'<br>'+info2.format(len(self.closed1) / ansNum))
self.lcd1.display(self.showlist[self.now].factor1.tostr())
self.lcd2.display(self.showlist[self.now].factor2.tostr())
self.lcd3.display(self.showlist[self.now].answer.tostr())
self.lcdop.setText(self.showlist[self.now].operator.tostr())
# 接受对移动两根火柴问题求解完成的信号
def getDone2(self, connect):
ansNum = 0
for equation in self.closed2:
if equation.equal == True:
ansNum = ansNum + 1
self.showlist.append(equation)
if ansNum == 0 or (ansNum == 1 and self.closed2[0] == self.showlist[0]):
self.tips.setText('很抱歉，该等式通过移动两根火柴无解。')
elif ansNum > 1 and self.closed2[0] == self.showlist[0]:
self.allowed = 2
self.initeq = 1
self.now = self.now + 1
info1 = '该问题是将等式变为新的等式问题, 有{}种新等式'
info2 = '该问题的难度系数为{:.2f}'
self.tips.setText(info1.format(ansNum - 1) + '<br>' + info2.format(len(self.closed2) / (ansNum - 1)))
self.lcd1.display(self.showlist[self.now].factor1.tostr())
self.lcd2.display(self.showlist[self.now].factor2.tostr())
self.lcd3.display(self.showlist[self.now].answer.tostr())
self.lcdop.setText(self.showlist[self.now].operator.tostr())
else:
self.allowed = 2
info1 = '通过移动两根火柴使等式成立，有{}种可行的解法'
info2 = '该问题的难度系数为{:.2f}'
self.tips.setText(info1.format(ansNum) + '<br>' + info2.format(len(self.closed2)/ansNum))
self.lcd1.display(self.showlist[self.now].factor1.tostr())
self.lcd2.display(self.showlist[self.now].factor2.tostr())
self.lcd3.display(self.showlist[self.now].answer.tostr())
self.lcdop.setText(self.showlist[self.now].operator.tostr())
# 接受上下翻信号
def changeShow(self, flag):
if flag == 1:
if self.now == 0 or (self.initeq == 1 and self.now == 1):
self.status.showMessage('已经是第一个结果')
else:
self.now = self.now - 1
elif flag == 2:
if self.now + 1 == len(self.showlist):
self.status.showMessage('已经是最后一个结果')
else:
self.now = self.now + 1
if len(self.showlist) > 0:
self.lcd1.display(self.showlist[self.now].factor1.tostr())
self.lcd2.display(self.showlist[self.now].factor2.tostr())
self.lcd3.display(self.showlist[self.now].answer.tostr())
self.lcdop.setText(self.showlist[self.now].operator.tostr())
else:
self.status.showMessage('您还未输入并求解问题')
# 保存可行等式
def saveEquation(self):
if len(self.showlist) > 0:
aim = ''
eq = ''
flag = 0
if self.allowed == 1:
aim = (self.closed1[0].factor1.tostr() + ';' +
self.closed1[0].factor2.tostr() + ';' +
self.closed1[0].answer.tostr() + ';' +
self.closed1[0].operator.tostr() + ';\n')
eq = (self.closed1[0].factor1.tostr() +
self.closed1[0].operator.tostr() +
self.closed1[0].factor2.tostr() +
'=' +
self.closed1[0].answer.tostr())
elif self.allowed == 2:
aim = (self.closed2[0].factor1.tostr() + ';' +
self.closed2[0].factor2.tostr() + ';' +
self.closed2[0].answer.tostr() + ';' +
self.closed2[0].operator.tostr() + ';\n')
eq = (self.closed2[0].factor1.tostr() +
self.closed2[0].operator.tostr() +
self.closed2[0].factor2.tostr() +
'=' +
self.closed2[0].answer.tostr())
else:
warn = QMessageBox.about(self, '无法保存', '抱歉，不可解等式无法保存!')
flag = 1
lib = open('../data/library.txt', 'r+')
equations = lib.readlines()
for equation in equations:
if aim == equation:
warn = QMessageBox.about(self, '当前等式已存在', '感谢您的贡献！但您要添加的等式已在库中。')
flag = 1
break
if flag == 0:
lib.writelines(aim)
# 刷新等式库
self.lib.combobox.addItem(eq)
lib.close()
else:
warn = QMessageBox.about(self, '无法保存', '抱歉，未被求解并证明可解的等式无法保存!')
# 清空lcd显示
def lcdClear(self):
self.lcd1.display('')
self.lcd2.display('')
self.lcd3.display('')
self.lcdop.setText('')
self.tips.setText('')
# 清空所有需保存的变量
def varClear(self):
self.closed1.clear()
self.closed2.clear()
self.showlist.clear()
self.now = 0
self.allowed = 0
self.initeq = 0
# 清除输入及变量
def clearAction(self):
self.facin1.clear()
self.facin2.clear()
self.opin.clear()
self.ansin.clear()
self.lcdClear()
self.varClear()
# 重写关闭函数
def closeEvent(self, QCloseEvent):
reply = QMessageBox.question(self, '退出程序',
"确认要退出吗？",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.No)
if reply == QMessageBox.Yes:
QCloseEvent.accept()
else:
QCloseEvent.ignore()
# 关闭窗口确认
def sureClose(self):
reply = QMessageBox.question(self, '退出程序',
"确认要退出吗？",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.No)
if reply == QMessageBox.Yes:
qApp.quit()
