def __init__(self):
QMainWindow.__init__(self)
self.set0 = QtCharts.QBarSet("Jane")
self.set1 = QtCharts.QBarSet("John")
self.set2 = QtCharts.QBarSet("Axel")
self.set3 = QtCharts.QBarSet("Mary")
self.set4 = QtCharts.QBarSet("Sam")
self.set0.append([1, 2, 3, 4, 5, 6])
self.set1.append([5, 0, 0, 4, 0, 7])
self.set2.append([3, 5, 8, 13, 8, 5])
self.set3.append([5, 6, 7, 3, 4, 5])
self.set4.append([9, 7, 5, 3, 1, 2])
self.barSeries = QtCharts.QBarSeries()
self.barSeries.append(self.set0)
self.barSeries.append(self.set1)
self.barSeries.append(self.set2)
self.barSeries.append(self.set3)
self.barSeries.append(self.set4)
self.lineSeries = QtCharts.QLineSeries()
self.lineSeries.setName("trend")
self.lineSeries.append(QPoint(0, 4))
self.lineSeries.append(QPoint(1, 15))
self.lineSeries.append(QPoint(2, 20))
self.lineSeries.append(QPoint(3, 4))
self.lineSeries.append(QPoint(4, 12))
self.lineSeries.append(QPoint(5, 17))
self.chart = QtCharts.QChart()
self.chart.addSeries(self.barSeries)
self.chart.addSeries(self.lineSeries)
self.chart.setTitle("Line and barchart example")
self.categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
self.axisX = QtCharts.QBarCategoryAxis()
self.axisX.append(self.categories)
self.chart.setAxisX(self.axisX, self.lineSeries)
self.chart.setAxisX(self.axisX, self.barSeries)
self.axisX.setRange("Jan", "Jun")
self.axisY = QtCharts.QValueAxis()
self.chart.setAxisY(self.axisY, self.lineSeries)
self.chart.setAxisY(self.axisY, self.barSeries)
self.axisY.setRange(0, 20)
self.chart.legend().setVisible(True)
self.chart.legend().setAlignment(Qt.AlignBottom)
self.chartView = QtCharts.QChartView(self.chart)
self.chartView.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(self.chartView)
def __init__(self, parent=None):
super(MainWidget, self).__init__(parent)
self.chart = QtCharts.QChart()
self.series = QtCharts.QBarSeries()
self.main_layout = QGridLayout()
self.button_layout = QGridLayout()
self.font_layout = QFormLayout()
self.font_size = QDoubleSpinBox()
self.legend_posx = QDoubleSpinBox()
self.legend_posy = QDoubleSpinBox()
self.legend_width = QDoubleSpinBox()
self.legend_height = QDoubleSpinBox()
self.detach_legend_button = QPushButton("Toggle attached")
self.detach_legend_button.clicked.connect(self.toggle_attached)
self.button_layout.addWidget(self.detach_legend_button, 0, 0)
self.add_set_button = QPushButton("add barset")
self.add_set_button.clicked.connect(self.add_barset)
self.button_layout.addWidget(self.add_set_button, 2, 0)
self.remove_barset_button = QPushButton("remove barset")
self.remove_barset_button.clicked.connect(self.remove_barset)
self.button_layout.addWidget(self.remove_barset_button, 3, 0)
self.align_button = QPushButton("Align (Bottom)")
self.align_button.clicked.connect(self.set_legend_alignment)
self.button_layout.addWidget(self.align_button, 4, 0)
self.bold_button = QPushButton("Toggle bold")
self.bold_button.clicked.connect(self.toggle_bold)
self.button_layout.addWidget(self.bold_button, 8, 0)
self.italic_button = QPushButton("Toggle italic")
self.italic_button.clicked.connect(self.toggle_italic)
self.button_layout.addWidget(self.italic_button, 9, 0)
self.legend_posx.valueChanged.connect(self.update_legend_layout)
self.legend_posy.valueChanged.connect(self.update_legend_layout)
self.legend_width.valueChanged.connect(self.update_legend_layout)
self.legend_height.valueChanged.connect(self.update_legend_layout)
legend_layout = QFormLayout()
legend_layout.addRow("HPos", self.legend_posx)
legend_layout.addRow("VPos", self.legend_posy)
legend_layout.addRow("Width", self.legend_width)
legend_layout.addRow("Height", self.legend_height)
self.legend_settings = QGroupBox("Detached legend")
self.legend_settings.setLayout(legend_layout)
self.button_layout.addWidget(self.legend_settings)
self.legend_settings.setVisible(False)
# Create chart view with the chart
self.chart_view = QtCharts.QChartView(self.chart, self)
# Create spinbox to modify font size
self.font_size.setValue(self.chart.legend().font().pointSizeF())
self.font_size.valueChanged.connect(self.font_size_changed)
self.font_layout.addRow("Legend font size", self.font_size)
# Create layout for grid and detached legend
self.main_layout.addLayout(self.button_layout, 0, 0)
self.main_layout.addLayout(self.font_layout, 1, 0)
self.main_layout.addWidget(self.chart_view, 0, 1, 3, 1)
self.setLayout(self.main_layout)
self.create_series()