def init_ui(self) -> None:
""""""
self.setWindowTitle("组合策略")
# Create widgets
self.class_combo = QtWidgets.QComboBox()
add_button = QtWidgets.QPushButton("添加策略")
add_button.clicked.connect(self.add_strategy)
init_button = QtWidgets.QPushButton("全部初始化")
init_button.clicked.connect(self.strategy_engine.init_all_strategies)
start_button = QtWidgets.QPushButton("全部启动")
start_button.clicked.connect(self.strategy_engine.start_all_strategies)
stop_button = QtWidgets.QPushButton("全部停止")
stop_button.clicked.connect(self.strategy_engine.stop_all_strategies)
clear_button = QtWidgets.QPushButton("清空日志")
clear_button.clicked.connect(self.clear_log)
self.scroll_layout = QtWidgets.QVBoxLayout()
self.scroll_layout.addStretch()
scroll_widget = QtWidgets.QWidget()
scroll_widget.setLayout(self.scroll_layout)
scroll_area = QtWidgets.QScrollArea()
scroll_area.setWidgetResizable(True)
scroll_area.setWidget(scroll_widget)
self.log_monitor = LogMonitor(self.main_engine, self.event_engine)
# Set layout
hbox1 = QtWidgets.QHBoxLayout()
hbox1.addWidget(self.class_combo)
hbox1.addWidget(add_button)
hbox1.addStretch()
hbox1.addWidget(init_button)
hbox1.addWidget(start_button)
hbox1.addWidget(stop_button)
hbox1.addWidget(clear_button)
hbox2 = QtWidgets.QHBoxLayout()
hbox2.addWidget(scroll_area)
hbox2.addWidget(self.log_monitor)
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox1)
vbox.addLayout(hbox2)
self.setLayout(vbox)
def init_ui(self):
""""""
self.name_line = QtWidgets.QLineEdit()
self.symbol_line = QtWidgets.QLineEdit()
self.remove_combo = QtWidgets.QComboBox()
for w in [
self.name_line,
self.symbol_line,
self.remove_combo
]:
w.setFixedWidth(150)
add_button = QtWidgets.QPushButton("创建策略")
add_button.clicked.connect(self.add_strategy)
remove_button = QtWidgets.QPushButton("移除策略")
remove_button.clicked.connect(self.remove_strategy)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(QtWidgets.QLabel("策略名称"))
hbox.addWidget(self.name_line)
hbox.addWidget(QtWidgets.QLabel("交易合约"))
hbox.addWidget(self.symbol_line)
hbox.addWidget(add_button)
hbox.addStretch()
hbox.addWidget(self.remove_combo)
hbox.addWidget(remove_button)
self.setLayout(hbox)
def init_ui(self):
""""""
self.setWindowTitle("价差交易")
self.algo_dialog = SpreadAlgoWidget(self.spread_engine)
algo_group = self.create_group("交易", self.algo_dialog)
algo_group.setMaximumWidth(300)
self.data_monitor = SpreadDataMonitor(self.main_engine,
self.event_engine)
self.log_monitor = SpreadLogMonitor(self.main_engine,
self.event_engine)
self.algo_monitor = SpreadAlgoMonitor(self.spread_engine)
self.strategy_monitor = SpreadStrategyMonitor(self.spread_engine)
grid = QtWidgets.QGridLayout()
grid.addWidget(self.create_group("价差", self.data_monitor), 0, 0)
grid.addWidget(self.create_group("日志", self.log_monitor), 1, 0)
grid.addWidget(self.create_group("算法", self.algo_monitor), 0, 1)
grid.addWidget(self.create_group("策略", self.strategy_monitor), 1, 1)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(algo_group)
hbox.addLayout(grid)
self.setLayout(hbox)
def init_ui(self):
""""""
self.setWindowTitle("CTA策略")
# Create widgets
self.class_combo = QtWidgets.QComboBox()
add_button = QtWidgets.QPushButton("添加策略")
add_button.clicked.connect(self.add_strategy)
init_button = QtWidgets.QPushButton("全部初始化")
init_button.clicked.connect(self.cta_engine.init_all_strategies)
start_button = QtWidgets.QPushButton("全部启动")
start_button.clicked.connect(self.cta_engine.start_all_strategies)
stop_button = QtWidgets.QPushButton("全部停止")
stop_button.clicked.connect(self.cta_engine.stop_all_strategies)
clear_button = QtWidgets.QPushButton("清空日志")
clear_button.clicked.connect(self.clear_log)
self.scroll_layout = QtWidgets.QVBoxLayout()
self.scroll_layout.addStretch()
scroll_widget = QtWidgets.QWidget()
scroll_widget.setLayout(self.scroll_layout)
scroll_area = QtWidgets.QScrollArea()
scroll_area.setWidgetResizable(True)
scroll_area.setWidget(scroll_widget)
self.log_monitor = LogMonitor(self.main_engine, self.event_engine)
# self.stop_order_monitor = StopOrderMonitor(
# self.main_engine, self.event_engine
# )
# Set layout
hbox1 = QtWidgets.QHBoxLayout()
hbox1.addWidget(self.class_combo)
hbox1.addWidget(add_button)
hbox1.addStretch()
hbox1.addWidget(init_button)
hbox1.addWidget(start_button)
hbox1.addWidget(stop_button)
hbox1.addWidget(clear_button)
grid = QtWidgets.QGridLayout()
grid.addWidget(scroll_area, 0, 0, 2, 1)
#grid.addWidget(self.stop_order_monitor, 0, 1)
grid.addWidget(self.log_monitor, 1, 1)
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox1)
vbox.addLayout(grid)
self.setLayout(vbox)
def init_ui(self):
""""""
self.name_combo = QtWidgets.QComboBox()
self.direction_combo = QtWidgets.QComboBox()
self.direction_combo.addItems(
[Direction.LONG.value, Direction.SHORT.value])
self.offset_combo = QtWidgets.QComboBox()
self.offset_combo.addItems([offset.value for offset in Offset])
double_validator = QtGui.QDoubleValidator()
double_validator.setBottom(0)
self.price_line = QtWidgets.QLineEdit()
self.price_line.setValidator(double_validator)
self.volume_line = QtWidgets.QLineEdit()
self.volume_line.setValidator(double_validator)
for w in [
self.name_combo,
self.price_line,
self.volume_line,
self.direction_combo,
self.offset_combo
]:
w.setFixedWidth(150)
send_button = QtWidgets.QPushButton("委托")
send_button.clicked.connect(self.send_order)
send_button.setFixedWidth(70)
cancel_button = QtWidgets.QPushButton("全撤")
cancel_button.clicked.connect(self.cancel_all)
cancel_button.setFixedWidth(70)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(QtWidgets.QLabel("策略名称"))
hbox.addWidget(self.name_combo)
hbox.addWidget(QtWidgets.QLabel("方向"))
hbox.addWidget(self.direction_combo)
hbox.addWidget(QtWidgets.QLabel("开平"))
hbox.addWidget(self.offset_combo)
hbox.addWidget(QtWidgets.QLabel("价格"))
hbox.addWidget(self.price_line)
hbox.addWidget(QtWidgets.QLabel("数量"))
hbox.addWidget(self.volume_line)
hbox.addWidget(send_button)
hbox.addWidget(cancel_button)
hbox.addStretch()
self.setLayout(hbox)
def init_ui(self) -> None:
""""""
self.setWindowTitle("数据管理")
self.init_tree()
self.init_table()
self.init_child()
refresh_button = QtWidgets.QPushButton("刷新")
refresh_button.clicked.connect(self.refresh_tree)
import_button = QtWidgets.QPushButton("导入数据")
import_button.clicked.connect(self.import_data)
update_button = QtWidgets.QPushButton("更新数据")
update_button.clicked.connect(self.update_data)
download_button = QtWidgets.QPushButton("下载数据")
download_button.clicked.connect(self.download_data)
hbox1 = QtWidgets.QHBoxLayout()
hbox1.addWidget(refresh_button)
hbox1.addStretch()
hbox1.addWidget(import_button)
hbox1.addWidget(update_button)
hbox1.addWidget(download_button)
hbox2 = QtWidgets.QHBoxLayout()
hbox2.addWidget(self.tree)
hbox2.addWidget(self.table)
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox1)
vbox.addLayout(hbox2)
self.setLayout(vbox)
def init_ui(self):
""""""
self.setFixedHeight(300)
self.setFrameShape(self.Box)
self.setLineWidth(1)
self.init_button = QtWidgets.QPushButton("初始化")
self.init_button.clicked.connect(self.init_strategy)
self.start_button = QtWidgets.QPushButton("启动")
self.start_button.clicked.connect(self.start_strategy)
self.start_button.setEnabled(False)
self.stop_button = QtWidgets.QPushButton("停止")
self.stop_button.clicked.connect(self.stop_strategy)
self.stop_button.setEnabled(False)
self.edit_button = QtWidgets.QPushButton("编辑")
self.edit_button.clicked.connect(self.edit_strategy)
self.remove_button = QtWidgets.QPushButton("移除")
self.remove_button.clicked.connect(self.remove_strategy)
strategy_name = self._data["strategy_name"]
class_name = self._data["class_name"]
author = self._data["author"]
label_text = (f"{strategy_name} - ({class_name} by {author})")
label = QtWidgets.QLabel(label_text)
label.setAlignment(QtCore.Qt.AlignCenter)
self.parameters_monitor = DataMonitor(self._data["parameters"])
self.variables_monitor = DataMonitor(self._data["variables"])
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(self.init_button)
hbox.addWidget(self.start_button)
hbox.addWidget(self.stop_button)
hbox.addWidget(self.edit_button)
hbox.addWidget(self.remove_button)
vbox = QtWidgets.QVBoxLayout()
vbox.addWidget(label)
vbox.addLayout(hbox)
vbox.addWidget(self.parameters_monitor)
vbox.addWidget(self.variables_monitor)
self.setLayout(vbox)
def init_ui(self):
""""""
self.setWindowTitle("参数优化结果")
self.resize(1100, 500)
# Creat table to show result
table = QtWidgets.QTableWidget()
table.setColumnCount(2)
table.setRowCount(len(self.result_values))
table.setHorizontalHeaderLabels(["参数", self.target_display])
table.setEditTriggers(table.NoEditTriggers)
table.verticalHeader().setVisible(False)
table.horizontalHeader().setSectionResizeMode(
0, QtWidgets.QHeaderView.ResizeToContents
)
table.horizontalHeader().setSectionResizeMode(
1, QtWidgets.QHeaderView.Stretch
)
for n, tp in enumerate(self.result_values):
setting, target_value, _ = tp
setting_cell = QtWidgets.QTableWidgetItem(str(setting))
target_cell = QtWidgets.QTableWidgetItem(str(target_value))
setting_cell.setTextAlignment(QtCore.Qt.AlignCenter)
target_cell.setTextAlignment(QtCore.Qt.AlignCenter)
table.setItem(n, 0, setting_cell)
table.setItem(n, 1, target_cell)
# Create layout
button = QtWidgets.QPushButton("保存")
button.clicked.connect(self.save_csv)
hbox = QtWidgets.QHBoxLayout()
hbox.addStretch()
hbox.addWidget(button)
vbox = QtWidgets.QVBoxLayout()
vbox.addWidget(table)
vbox.addLayout(hbox)
self.setLayout(vbox)
def init_ui(self):
""""""
self.setWindowTitle("移除价差")
self.setMinimumWidth(300)
self.name_combo = QtWidgets.QComboBox()
spreads = self.spread_engine.get_all_spreads()
for spread in spreads:
self.name_combo.addItem(spread.name)
button_remove = QtWidgets.QPushButton("移除")
button_remove.clicked.connect(self.remove_spread)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(self.name_combo)
hbox.addWidget(button_remove)
self.setLayout(hbox)
def init_ui(self) -> None:
""""""
self.setWindowTitle("K线图表")
self.tab: QtWidgets.QTabWidget = QtWidgets.QTabWidget()
self.symbol_line: QtWidgets.QLineEdit = QtWidgets.QLineEdit()
self.button = QtWidgets.QPushButton("新建图表")
self.button.clicked.connect(self.new_chart)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(QtWidgets.QLabel("本地代码"))
hbox.addWidget(self.symbol_line)
hbox.addWidget(self.button)
hbox.addStretch()
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox)
vbox.addWidget(self.tab)
self.setLayout(vbox)
def init_ui(self):
""""""
self.setWindowTitle("CTA回测")
# Setting Part
self.class_combo = QtWidgets.QComboBox()
self.symbol_line = QtWidgets.QLineEdit("BTCUSDT.BINANCE")
self.interval_combo = QtWidgets.QComboBox()
for interval in Interval:
if interval != Interval.TICK:
self.interval_combo.addItem(interval.value)
end_dt = datetime.now()
start_dt = end_dt - timedelta(days=3 * 365)
self.start_date_edit = QtWidgets.QDateEdit(
QtCore.QDate(
start_dt.year,
start_dt.month,
start_dt.day
)
)
self.end_date_edit = QtWidgets.QDateEdit(
QtCore.QDate.currentDate()
)
self.rate_line = QtWidgets.QLineEdit("0.0004")
self.slippage_line = QtWidgets.QLineEdit("0.5")
self.size_line = QtWidgets.QLineEdit("1")
self.pricetick_line = QtWidgets.QLineEdit("0.01")
self.capital_line = QtWidgets.QLineEdit("1000000")
self.inverse_combo = QtWidgets.QComboBox()
self.inverse_combo.addItems(["正向", "反向"])
backtesting_button = QtWidgets.QPushButton("开始回测")
backtesting_button.clicked.connect(self.start_backtesting)
optimization_button = QtWidgets.QPushButton("参数优化")
optimization_button.clicked.connect(self.start_optimization)
self.result_button = QtWidgets.QPushButton("优化结果")
self.result_button.clicked.connect(self.show_optimization_result)
self.result_button.setEnabled(False)
downloading_button = QtWidgets.QPushButton("下载数据")
downloading_button.clicked.connect(self.start_downloading)
self.order_button = QtWidgets.QPushButton("委托记录")
self.order_button.clicked.connect(self.show_backtesting_orders)
self.order_button.setEnabled(False)
self.trade_button = QtWidgets.QPushButton("成交记录")
self.trade_button.clicked.connect(self.show_backtesting_trades)
self.trade_button.setEnabled(False)
self.daily_button = QtWidgets.QPushButton("每日盈亏")
self.daily_button.clicked.connect(self.show_daily_results)
self.daily_button.setEnabled(False)
self.candle_button = QtWidgets.QPushButton("K线图表")
self.candle_button.clicked.connect(self.show_candle_chart)
self.candle_button.setEnabled(False)
reload_button = QtWidgets.QPushButton("策略重载")
reload_button.clicked.connect(self.reload_strategy_class)
for button in [
backtesting_button,
optimization_button,
downloading_button,
self.result_button,
self.order_button,
self.trade_button,
self.daily_button,
self.candle_button,
reload_button
]:
button.setFixedHeight(button.sizeHint().height() * 2)
form = QtWidgets.QFormLayout()
form.addRow("交易策略", self.class_combo)
form.addRow("本地代码", self.symbol_line)
form.addRow("K线周期", self.interval_combo)
form.addRow("开始日期", self.start_date_edit)
form.addRow("结束日期", self.end_date_edit)
form.addRow("手续费率", self.rate_line)
form.addRow("交易滑点", self.slippage_line)
form.addRow("合约乘数", self.size_line)
form.addRow("价格跳动", self.pricetick_line)
form.addRow("回测资金", self.capital_line)
form.addRow("合约模式", self.inverse_combo)
result_grid = QtWidgets.QGridLayout()
result_grid.addWidget(self.trade_button, 0, 0)
result_grid.addWidget(self.order_button, 0, 1)
result_grid.addWidget(self.daily_button, 1, 0)
result_grid.addWidget(self.candle_button, 1, 1)
left_vbox = QtWidgets.QVBoxLayout()
left_vbox.addLayout(form)
left_vbox.addWidget(backtesting_button)
left_vbox.addWidget(downloading_button)
left_vbox.addStretch()
left_vbox.addLayout(result_grid)
left_vbox.addStretch()
left_vbox.addWidget(optimization_button)
left_vbox.addWidget(self.result_button)
left_vbox.addStretch()
left_vbox.addWidget(reload_button)
# Result part
self.statistics_monitor = StatisticsMonitor()
self.log_monitor = QtWidgets.QTextEdit()
self.log_monitor.setMaximumHeight(400)
self.chart = BacktesterChart()
self.chart.setMinimumWidth(1000)
self.trade_dialog = BacktestingResultDialog(
self.main_engine,
self.event_engine,
"回测成交记录",
BacktestingTradeMonitor
)
self.order_dialog = BacktestingResultDialog(
self.main_engine,
self.event_engine,
"回测委托记录",
BacktestingOrderMonitor
)
self.daily_dialog = BacktestingResultDialog(
self.main_engine,
self.event_engine,
"回测每日盈亏",
DailyResultMonitor
)
# Candle Chart
self.candle_dialog = CandleChartDialog()
# Layout
vbox = QtWidgets.QVBoxLayout()
vbox.addWidget(self.statistics_monitor)
vbox.addWidget(self.log_monitor)
hbox = QtWidgets.QHBoxLayout()
hbox.addLayout(left_vbox)
hbox.addLayout(vbox)
hbox.addWidget(self.chart)
self.setLayout(hbox)
def init_ui(self):
""""""
self.setWindowTitle("回测K线图表")
self.resize(1400, 800)
# Create chart widget
self.chart = ChartWidget()
self.chart.add_plot("candle", hide_x_axis=True)
self.chart.add_plot("volume", maximum_height=200)
self.chart.add_item(CandleItem, "candle", "candle")
self.chart.add_item(VolumeItem, "volume", "volume")
self.chart.add_cursor()
# Create help widget
text1 = "红色虚线 —— 盈利交易"
label1 = QtWidgets.QLabel(text1)
label1.setStyleSheet("color:red")
text2 = "绿色虚线 —— 亏损交易"
label2 = QtWidgets.QLabel(text2)
label2.setStyleSheet("color:#00FF00")
text3 = "黄色向上箭头 —— 买入开仓 Buy"
label3 = QtWidgets.QLabel(text3)
label3.setStyleSheet("color:yellow")
text4 = "黄色向下箭头 —— 卖出平仓 Sell"
label4 = QtWidgets.QLabel(text4)
label4.setStyleSheet("color:yellow")
text5 = "紫红向下箭头 —— 卖出开仓 Short"
label5 = QtWidgets.QLabel(text5)
label5.setStyleSheet("color:magenta")
text6 = "紫红向上箭头 —— 买入平仓 Cover"
label6 = QtWidgets.QLabel(text6)
label6.setStyleSheet("color:magenta")
hbox1 = QtWidgets.QHBoxLayout()
hbox1.addStretch()
hbox1.addWidget(label1)
hbox1.addStretch()
hbox1.addWidget(label2)
hbox1.addStretch()
hbox2 = QtWidgets.QHBoxLayout()
hbox2.addStretch()
hbox2.addWidget(label3)
hbox2.addStretch()
hbox2.addWidget(label4)
hbox2.addStretch()
hbox3 = QtWidgets.QHBoxLayout()
hbox3.addStretch()
hbox3.addWidget(label5)
hbox3.addStretch()
hbox3.addWidget(label6)
hbox3.addStretch()
# Set layout
vbox = QtWidgets.QVBoxLayout()
vbox.addWidget(self.chart)
vbox.addLayout(hbox1)
vbox.addLayout(hbox2)
vbox.addLayout(hbox3)
self.setLayout(vbox)
def init_ui(self):
""""""
self.setWindowTitle("行情记录")
self.resize(1000, 600)
# Create widgets
self.symbol_line = QtWidgets.QLineEdit()
self.symbol_line.setFixedHeight(self.symbol_line.sizeHint().height() *
2)
contracts = self.main_engine.get_all_contracts()
self.vt_symbols = [contract.vt_symbol for contract in contracts]
self.symbol_completer = QtWidgets.QCompleter(self.vt_symbols)
self.symbol_completer.setFilterMode(QtCore.Qt.MatchContains)
self.symbol_completer.setCompletionMode(
self.symbol_completer.PopupCompletion)
self.symbol_line.setCompleter(self.symbol_completer)
add_bar_button = QtWidgets.QPushButton("添加")
add_bar_button.clicked.connect(self.add_bar_recording)
remove_bar_button = QtWidgets.QPushButton("移除")
remove_bar_button.clicked.connect(self.remove_bar_recording)
add_tick_button = QtWidgets.QPushButton("添加")
add_tick_button.clicked.connect(self.add_tick_recording)
remove_tick_button = QtWidgets.QPushButton("移除")
remove_tick_button.clicked.connect(self.remove_tick_recording)
self.bar_recording_edit = QtWidgets.QTextEdit()
self.bar_recording_edit.setReadOnly(True)
self.tick_recording_edit = QtWidgets.QTextEdit()
self.tick_recording_edit.setReadOnly(True)
self.log_edit = QtWidgets.QTextEdit()
self.log_edit.setReadOnly(True)
# Set layout
grid = QtWidgets.QGridLayout()
grid.addWidget(QtWidgets.QLabel("K线记录"), 0, 0)
grid.addWidget(add_bar_button, 0, 1)
grid.addWidget(remove_bar_button, 0, 2)
grid.addWidget(QtWidgets.QLabel("Tick记录"), 1, 0)
grid.addWidget(add_tick_button, 1, 1)
grid.addWidget(remove_tick_button, 1, 2)
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(QtWidgets.QLabel("本地代码"))
hbox.addWidget(self.symbol_line)
hbox.addWidget(QtWidgets.QLabel(" "))
hbox.addLayout(grid)
hbox.addStretch()
grid2 = QtWidgets.QGridLayout()
grid2.addWidget(QtWidgets.QLabel("K线记录列表"), 0, 0)
grid2.addWidget(QtWidgets.QLabel("Tick记录列表"), 0, 1)
grid2.addWidget(self.bar_recording_edit, 1, 0)
grid2.addWidget(self.tick_recording_edit, 1, 1)
grid2.addWidget(self.log_edit, 2, 0, 1, 2)
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox)
vbox.addLayout(grid2)
self.setLayout(vbox)
def init_ui(self):
""""""
self.setWindowTitle("算法交易")
# Left side control widgets
self.template_combo = QtWidgets.QComboBox()
self.template_combo.currentIndexChanged.connect(self.show_algo_widget)
form = QtWidgets.QFormLayout()
form.addRow("算法", self.template_combo)
widget = QtWidgets.QWidget()
widget.setLayout(form)
vbox = QtWidgets.QVBoxLayout()
vbox.addWidget(widget)
for algo_template in self.algo_engine.algo_templates.values():
widget = AlgoWidget(self.algo_engine, algo_template)
vbox.addWidget(widget)
template_name = algo_template.__name__
display_name = algo_template.display_name
self.algo_widgets[template_name] = widget
self.template_combo.addItem(display_name, template_name)
vbox.addStretch()
stop_all_button = QtWidgets.QPushButton("全部停止")
stop_all_button.setFixedHeight(stop_all_button.sizeHint().height() * 2)
stop_all_button.clicked.connect(self.algo_engine.stop_all)
vbox.addWidget(stop_all_button)
# Right side monitor widgets
active_algo_monitor = ActiveAlgoMonitor(
self.algo_engine, self.event_engine
)
inactive_algo_monitor = InactiveAlgoMonitor(
self.algo_engine, self.event_engine
)
tab1 = QtWidgets.QTabWidget()
tab1.addTab(active_algo_monitor, "执行中")
tab1.addTab(inactive_algo_monitor, "已结束")
log_monitor = LogMonitor(self.event_engine)
tab2 = QtWidgets.QTabWidget()
tab2.addTab(log_monitor, "日志")
setting_monitor = SettingMonitor(self.algo_engine, self.event_engine)
setting_monitor.use_signal.connect(self.use_setting)
tab3 = QtWidgets.QTabWidget()
tab3.addTab(setting_monitor, "配置")
grid = QtWidgets.QGridLayout()
grid.addWidget(tab1, 0, 0, 1, 2)
grid.addWidget(tab2, 1, 0)
grid.addWidget(tab3, 1, 1)
hbox2 = QtWidgets.QHBoxLayout()
hbox2.addLayout(vbox)
hbox2.addLayout(grid)
self.setLayout(hbox2)
self.show_algo_widget()