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()