Exemplo n.º 1
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    def __init__(self):
        QMainWindow.__init__(self)

        self.series = QtCharts.QLineSeries()
        self.series.append(0, 6)
        self.series.append(2, 4)
        self.series.append(3, 8)
        self.series.append(7, 4)
        self.series.append(10, 5)
        self.series.append(QPointF(11, 1))
        self.series.append(QPointF(13, 3))
        self.series.append(QPointF(17, 6))
        self.series.append(QPointF(18, 3))
        self.series.append(QPointF(20, 2))

        self.chart = QtCharts.QChart()
        self.chart.legend().hide()
        self.chart.addSeries(self.series)
        self.chart.createDefaultAxes()
        self.chart.setTitle("Simple line chart example")

        self.chartView = QtCharts.QChartView(self.chart)
        self.chartView.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self.chartView)
Exemplo n.º 2
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    def create_areachart(self):
        chart = QtCharts.QChart()
        chart.setTitle("Area Chart")

        # The lower series initialized to zero values
        lower_series = None
        name = "Series "
        for i in range(len(self.data_table)):
            upper_series = QtCharts.QLineSeries(chart)
            for j in range(len(self.data_table[i])):
                data = self.data_table[i][j]
                if lower_series:
                    points = lower_series.pointsVector()
                    y_value = points[i].y() + data[0].y()
                    upper_series.append(QPointF(j, y_value))
                else:
                    upper_series.append(QPointF(j, data[0].y()))
            area = QtCharts.QAreaSeries(upper_series, lower_series)
            area.setName("{}{}".format(name, i))
            chart.addSeries(area)
            lower_series = upper_series

        chart.createDefaultAxes()
        chart.axisX().setRange(0, self.value_count - 1)
        chart.axisY().setRange(0, self.value_max)
        # Add space to label to add space between labels and axis
        chart.axisY().setLabelFormat("%.1f  ")

        return chart
Exemplo n.º 3
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    def __init__(self):
        QMainWindow.__init__(self)

        self.series = QtCharts.QPieSeries()

        self.series.append('Jane', 1)
        self.series.append('Joe', 2)
        self.series.append('Andy', 3)
        self.series.append('Barbara', 4)
        self.series.append('Axel', 5)

        self.slice = self.series.slices()[1]
        self.slice.setExploded()
        self.slice.setLabelVisible()
        self.slice.setPen(QPen(Qt.darkGreen, 2))
        self.slice.setBrush(Qt.green)

        self.chart = QtCharts.QChart()
        self.chart.addSeries(self.series)
        self.chart.setTitle('Simple piechart example')
        self.chart.legend().hide()

        self.chartView = QtCharts.QChartView(self.chart)
        self.chartView.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self.chartView)
Exemplo n.º 4
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    def __init__(self):
        QMainWindow.__init__(self)

        self.series = QtCharts.QLineSeries()
        self.series.append([
            QPointF(1.0, 1.0), QPointF(2.0, 73.0), QPointF(3.0, 268.0),
            QPointF(4.0, 17.0), QPointF(5.0, 4325.0), QPointF(6.0, 723.0)])

        self.chart = QtCharts.QChart()
        self.chart.addSeries(self.series)
        self.chart.legend().hide()
        self.chart.setTitle("Logarithmic axis example")

        self.axisX = QtCharts.QValueAxis()
        self.axisX.setTitleText("Data point")
        self.axisX.setLabelFormat("%i")
        self.axisX.setTickCount(self.series.count())
        self.chart.addAxis(self.axisX, Qt.AlignBottom)
        self.series.attachAxis(self.axisX)

        self.axisY = QtCharts.QLogValueAxis()
        self.axisY.setTitleText("Values")
        self.axisY.setLabelFormat("%g")
        self.axisY.setBase(8.0)
        self.axisY.setMinorTickCount(-1)
        self.chart.addAxis(self.axisY, Qt.AlignLeft)
        self.series.attachAxis(self.axisY)

        self.chartView = QtCharts.QChartView(self.chart)
        self.chartView.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self.chartView)
Exemplo n.º 5
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    def __init__(self, parent = None):
        super(View, self).__init__(parent)
        self.setScene(QGraphicsScene(self))

        self.setDragMode(QGraphicsView.NoDrag)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

        # Chart
        self._chart = QtCharts.QChart()
        self._chart.setMinimumSize(640, 480)
        self._chart.setTitle("Hover the line to show callout. Click the line "
            "to make it stay")
        self._chart.legend().hide()
        self.series = QtCharts.QLineSeries()
        self.series.append(1, 3)
        self.series.append(4, 5)
        self.series.append(5, 4.5)
        self.series.append(7, 1)
        self.series.append(11, 2)
        self._chart.addSeries(self.series)

        self.series2 = QtCharts.QSplineSeries()
        self.series2.append(1.6, 1.4)
        self.series2.append(2.4, 3.5)
        self.series2.append(3.7, 2.5)
        self.series2.append(7, 4)
        self.series2.append(10, 2)
        self._chart.addSeries(self.series2)

        self._chart.createDefaultAxes()
        self._chart.setAcceptHoverEvents(True)

        self.setRenderHint(QPainter.Antialiasing)
        self.scene().addItem(self._chart)

        self._coordX = QGraphicsSimpleTextItem(self._chart)
        self._coordX.setPos(
            self._chart.size().width()/2 - 50, self._chart.size().height())
        self._coordX.setText("X: ")
        self._coordY = QGraphicsSimpleTextItem(self._chart)
        self._coordY.setPos(
            self._chart.size().width()/2 + 50, self._chart.size().height())
        self._coordY.setText("Y: ")

        self._callouts = []
        self._tooltip = Callout(self._chart)

        self.series.clicked.connect(self.keepCallout)
        self.series.hovered.connect(self.tooltip)

        self.series2.clicked.connect(self.keepCallout)
        self.series2.hovered.connect(self.tooltip)

        self.setMouseTracking(True)
Exemplo n.º 6
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    def __init__(self):
        QWidget.__init__(self)
        self.setMinimumSize(800, 600)
        self.donuts = []
        self.chart_view = QtCharts.QChartView()
        self.chart_view.setRenderHint(QPainter.Antialiasing)
        self.chart = self.chart_view.chart()
        self.chart.legend().setVisible(False)
        self.chart.setTitle("Nested donuts demo")
        self.chart.setAnimationOptions(QtCharts.QChart.AllAnimations)

        self.min_size = 0.1
        self.max_size = 0.9
        self.donut_count = 5

        self.setup_donuts()

        # create main layout
        self.main_layout = QGridLayout(self)
        self.main_layout.addWidget(self.chart_view, 1, 1)
        self.setLayout(self.main_layout)

        self.update_timer = QTimer(self)
        self.update_timer.timeout.connect(self.update_rotation)
        self.update_timer.start(1250)
Exemplo n.º 7
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 def __init__(self, parent=None):
     super(DonutBreakdownChart,
           self).__init__(QtCharts.QChart.ChartTypeCartesian, parent,
                          Qt.WindowFlags())
     self.main_series = QtCharts.QPieSeries()
     self.main_series.setPieSize(0.7)
     self.addSeries(self.main_series)
Exemplo n.º 8
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    def createPieChart(self):
        chart = QtCharts.QChart()
        chart.setTitle("Pie chart")

        series = QtCharts.QPieSeries(chart)
        for data in self.data_table[0]:
            slc = series.append(data[1], data[0].y())
            if data == self.data_table[0][0]:
                # Show the first slice exploded with label
                slc.setLabelVisible()
                slc.setExploded()
                slc.setExplodeDistanceFactor(0.5)

        series.setPieSize(0.4)
        chart.addSeries(series)

        return chart
Exemplo n.º 9
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    def create_scatterchart(self):
        chart = QtCharts.QChart()
        chart.setTitle("Scatter chart")
        name = "Series "
        for i, lst in enumerate(self.data_table):
            series = QtCharts.QScatterSeries(chart)
            for data in lst:
                series.append(data[0])
            series.setName("{}{}".format(name, i))
            chart.addSeries(series)

        chart.createDefaultAxes()
        chart.axisX().setRange(0, self.value_max)
        chart.axisY().setRange(0, self.value_count)
        # Add space to label to add space between labels and axis
        chart.axisY().setLabelFormat("%.1f  ")

        return chart
Exemplo n.º 10
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    def createBarChart(self):
        chart = QtCharts.QChart()
        chart.setTitle("Bar chart")

        series = QtCharts.QStackedBarSeries(chart)
        for i in range(len(self.data_table)):
            barset = QtCharts.QBarSet("Bar set {}".format(i))
            for data in self.data_table[i]:
                barset.append(data[0].y())
            series.append(barset)

        chart.addSeries(series)

        chart.createDefaultAxes()
        chart.axisY().setRange(0, self.value_max * 2)
        # Add space to label to add space between labels and axis
        chart.axisY().setLabelFormat("%.1f  ")

        return chart
Exemplo n.º 11
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    def __init__(self):
        super(MainWindow, self).__init__()

        self.setWindowTitle('Memory Usage')

        memoryUsage = getMemoryUsage()
        if len(memoryUsage) > 5:
            memoryUsage = memoryUsage[0:4]

        self.series = QtCharts.QPieSeries()
        for item in memoryUsage:
            self.series.append(item[0], item[1])

        slice = self.series.slices()[0]
        slice.setExploded()
        slice.setLabelVisible()
        self.chart = QtCharts.QChart()
        self.chart.addSeries(self.series)
        self.chartView = QtCharts.QChartView(self.chart)
        self.setCentralWidget(self.chartView)
Exemplo n.º 12
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    def __init__(self):
        QWidget.__init__(self)

        self.model = CustomTableModel()

        self.table_view = QTableView()
        self.table_view.setModel(self.model)
        self.table_view.horizontalHeader().setSectionResizeMode(
            QHeaderView.Stretch)
        self.table_view.verticalHeader().setSectionResizeMode(
            QHeaderView.Stretch)

        self.chart = QtCharts.QChart()
        self.chart.setAnimationOptions(QtCharts.QChart.AllAnimations)

        self.series = QtCharts.QLineSeries()
        self.series.setName("Line 1")
        self.mapper = QtCharts.QVXYModelMapper(self)
        self.mapper.setXColumn(0)
        self.mapper.setYColumn(1)
        self.mapper.setSeries(self.series)
        self.mapper.setModel(self.model)
        self.chart.addSeries(self.series)

        # for storing color hex from the series
        seriesColorHex = "#000000"

        # get the color of the series and use it for showing the mapped area
        seriesColorHex = "{}".format(self.series.pen().color().name())
        self.model.add_mapping(seriesColorHex,
                               QRect(0, 0, 2, self.model.rowCount()))

        # series 2
        self.series = QtCharts.QLineSeries()
        self.series.setName("Line 2")

        self.mapper = QtCharts.QVXYModelMapper(self)
        self.mapper.setXColumn(2)
        self.mapper.setYColumn(3)
        self.mapper.setSeries(self.series)
        self.mapper.setModel(self.model)
        self.chart.addSeries(self.series)

        # get the color of the series and use it for showing the mapped area
        seriesColorHex = "{}".format(self.series.pen().color().name())
        self.model.add_mapping(seriesColorHex,
                               QRect(2, 0, 2, self.model.rowCount()))

        self.chart.createDefaultAxes()
        self.chart_view = QtCharts.QChartView(self.chart)
        self.chart_view.setRenderHint(QPainter.Antialiasing)
        self.chart_view.setMinimumSize(640, 480)

        # create main layout
        self.main_layout = QGridLayout()
        self.main_layout.addWidget(self.table_view, 1, 0)
        self.main_layout.addWidget(self.chart_view, 1, 1)
        self.main_layout.setColumnStretch(1, 1)
        self.main_layout.setColumnStretch(0, 0)
        self.setLayout(self.main_layout)
Exemplo n.º 13
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    def setup_donuts(self):
        for i in range(self.donut_count):
            donut = QtCharts.QPieSeries()
            slccount = randrange(3, 6)
            for j in range(slccount):
                value = randrange(100, 200)

                slc = QtCharts.QPieSlice(str(value), value)
                slc.setLabelVisible(True)
                slc.setLabelColor(Qt.white)
                slc.setLabelPosition(QtCharts.QPieSlice.LabelInsideTangential)

                # Connection using an extra parameter for the slot
                slc.hovered[bool].connect(partial(self.explode_slice, slc=slc))

                donut.append(slc)
                size = (self.max_size - self.min_size) / self.donut_count
                donut.setHoleSize(self.min_size + i * size)
                donut.setPieSize(self.min_size + (i + 1) * size)

            self.donuts.append(donut)
            self.chart_view.chart().addSeries(donut)
Exemplo n.º 14
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    def __init__(self, parent):
        QWidget.__init__(self, parent)
        self.charts = []

        self.ui = ui()
        self.list_count = 3
        self.value_max = 10
        self.value_count = 7
        self.data_table = self.generate_random_data(self.list_count,
                                                    self.value_max,
                                                    self.value_count)

        self.ui.setupUi(self)
        self.populate_themebox()
        self.populate_animationbox()
        self.populate_legendbox()

        # Area Chart
        chart_view = QtCharts.QChartView(self.create_areachart())
        self.ui.gridLayout.addWidget(chart_view, 1, 0)
        self.charts.append(chart_view)

        # Pie Chart
        chart_view = QtCharts.QChartView(self.createPieChart())
        chart_view.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
        self.ui.gridLayout.addWidget(chart_view, 1, 1)
        self.charts.append(chart_view)

        # Line Chart
        chart_view = QtCharts.QChartView(self.createLineChart())
        self.ui.gridLayout.addWidget(chart_view, 1, 2)
        self.charts.append(chart_view)

        # Bar Chart
        chart_view = QtCharts.QChartView(self.createBarChart())
        self.ui.gridLayout.addWidget(chart_view, 2, 0)
        self.charts.append(chart_view)

        # Spline Chart
        chart_view = QtCharts.QChartView(self.createSplineChart())
        self.ui.gridLayout.addWidget(chart_view, 2, 1)
        self.charts.append(chart_view)

        # Scatter Chart
        chart_view = QtCharts.QChartView(self.create_scatterchart())
        self.ui.gridLayout.addWidget(chart_view, 2, 2)
        self.charts.append(chart_view)

        # Set defaults
        self.ui.antialiasCheckBox.setChecked(True)

        # Set the colors from the light theme as default ones
        pal = qApp.palette()
        pal.setColor(QPalette.Window, QColor(0xf0f0f0))
        pal.setColor(QPalette.WindowText, QColor(0x404044))
        qApp.setPalette(pal)

        self.updateUI()
Exemplo n.º 15
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    def __init__(self, device):
        super(MainWindow, self).__init__()

        self.series = QtCharts.QLineSeries()
        self.chart = QtCharts.QChart()
        self.chart.addSeries(self.series)
        self.axisX = QtCharts.QValueAxis()
        self.axisX.setRange(0, sampleCount)
        self.axisX.setLabelFormat("%g")
        self.axisX.setTitleText("Samples")
        self.axisY = QtCharts.QValueAxis()
        self.axisY.setRange(-1, 1)
        self.axisY.setTitleText("Audio level")
        self.chart.setAxisX(self.axisX, self.series)
        self.chart.setAxisY(self.axisY, self.series)
        self.chart.legend().hide()
        self.chart.setTitle("Data from the microphone ({})".format(
            device.deviceName()))

        formatAudio = QAudioFormat()
        formatAudio.setSampleRate(8000)
        formatAudio.setChannelCount(1)
        formatAudio.setSampleSize(8)
        formatAudio.setCodec("audio/pcm")
        formatAudio.setByteOrder(QAudioFormat.LittleEndian)
        formatAudio.setSampleType(QAudioFormat.UnSignedInt)

        self.audioInput = QAudioInput(device, formatAudio, self)
        self.ioDevice = self.audioInput.start()
        self.ioDevice.readyRead.connect(self._readyRead)

        self.chartView = QtCharts.QChartView(self.chart)
        self.setCentralWidget(self.chartView)

        self.buffer = [QPointF(x, 0) for x in range(sampleCount)]
        self.series.append(self.buffer)
    def __init__(self):
        QMainWindow.__init__(self)

        set0 = QtCharts.QBarSet("Jane")
        set1 = QtCharts.QBarSet("John")
        set2 = QtCharts.QBarSet("Axel")
        set3 = QtCharts.QBarSet("Mary")
        set4 = QtCharts.QBarSet("Samantha")

        set0.append([1, 2, 3,  4, 5, 6])
        set1.append([5, 0, 0,  4, 0, 7])
        set2.append([3, 5, 8, 13, 8, 5])
        set3.append([5, 6, 7,  3, 4, 5])
        set4.append([9, 7, 5,  3, 1, 2])

        series = QtCharts.QPercentBarSeries()
        series.append(set0)
        series.append(set1)
        series.append(set2)
        series.append(set3)
        series.append(set4)

        chart = QtCharts.QChart()
        chart.addSeries(series)
        chart.setTitle("Simple percentbarchart example")
        chart.setAnimationOptions(QtCharts.QChart.SeriesAnimations)

        categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
        axis = QtCharts.QBarCategoryAxis()
        axis.append(categories)
        chart.createDefaultAxes()
        chart.setAxisX(axis, series)

        chart.legend().setVisible(True)
        chart.legend().setAlignment(Qt.AlignBottom)

        chart_view = QtCharts.QChartView(chart)
        chart_view.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(chart_view)
Exemplo n.º 17
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    def __init__(self):
        QMainWindow.__init__(self)
        low = QtCharts.QBarSet("Min")
        high = QtCharts.QBarSet("Max")
        low.append([-52, -50, -45.3, -37.0, -25.6, -8.0,
                    -6.0, -11.8, -19.7, -32.8, -43.0, -48.0])
        high.append([11.9, 12.8, 18.5, 26.5, 32.0, 34.8,
                     38.2, 34.8, 29.8, 20.4, 15.1, 11.8])

        series = QtCharts.QStackedBarSeries()
        series.append(low)
        series.append(high)

        chart = QtCharts.QChart()
        chart.addSeries(series)
        chart.setTitle("Temperature records in celcius")
        chart.setAnimationOptions(QtCharts.QChart.SeriesAnimations)

        categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
                      "Aug", "Sep", "Oct", "Nov", "Dec"]
        axisX = QtCharts.QBarCategoryAxis()
        axisX.append(categories)
        axisX.setTitleText("Month")
        chart.addAxis(axisX, Qt.AlignBottom)
        axisY = QtCharts.QValueAxis()
        axisY.setRange(-52, 52)
        axisY.setTitleText("Temperature [°C]")
        chart.addAxis(axisY, Qt.AlignLeft)
        series.attachAxis(axisX)
        series.attachAxis(axisY)

        chart.legend().setVisible(True)
        chart.legend().setAlignment(Qt.AlignBottom)

        chart_view = QtCharts.QChartView(chart)
        chart_view.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(chart_view)
Exemplo n.º 18
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    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)
Exemplo n.º 19
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 def add_barset(self):
     series_count = self.series.count()
     bar_set = QtCharts.QBarSet("set {}".format(series_count))
     delta = series_count * 0.1
     bar_set.append([1 + delta, 2 + delta, 3 + delta, 4 + delta])
     self.series.append(bar_set)
Exemplo n.º 20
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    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()
Exemplo n.º 21
0
                    marker.setVisible(False)
                else:
                    # modify markers from breakdown series
                    marker.setLabel("{} {:.2f}%".format(
                        marker.slice().label(),
                        marker.slice().percentage() * 100, 0))
                    marker.setFont(QFont("Arial", 8))


if __name__ == "__main__":
    app = QApplication(sys.argv)
    # Graph is based on data of:
    #    'Total consumption of energy increased by 10 per cent in 2010'
    # Statistics Finland, 13 December 2011
    # http://www.stat.fi/til/ekul/2010/ekul_2010_2011-12-13_tie_001_en.html
    series1 = QtCharts.QPieSeries()
    series1.setName("Fossil fuels")
    series1.append("Oil", 353295)
    series1.append("Coal", 188500)
    series1.append("Natural gas", 148680)
    series1.append("Peat", 94545)

    series2 = QtCharts.QPieSeries()
    series2.setName("Renewables")
    series2.append("Wood fuels", 319663)
    series2.append("Hydro power", 45875)
    series2.append("Wind power", 1060)

    series3 = QtCharts.QPieSeries()
    series3.setName("Others")
    series3.append("Nuclear energy", 238789)