def __init__(self):
QMainWindow.__init__(self)
self.series = 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 = QChart()
self.chart.addSeries(self.series)
self.chart.setTitle('Simple piechart example')
self.chart.legend().hide()
self.chartView = QChartView(self.chart)
self.chartView.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(self.chartView)
def __init__(self):
QWidget.__init__(self)
self.setMinimumSize(800, 600)
self.donuts = []
self.chart_view = 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(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)
def __init__(self):
QMainWindow.__init__(self)
self.series = 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 = QChart()
self.chart.legend().hide()
self.chart.addSeries(self.series)
self.chart.createDefaultAxes()
self.chart.setTitle("Simple line chart example")
self.chartView = QChartView(self.chart)
self.chartView.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(self.chartView)
class TableWidget(QWidget):
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 = QChart()
self.chart.setAnimationOptions(QChart.AllAnimations)
self.series = QLineSeries()
self.series.setName("Line 1")
self.mapper = 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 = QLineSeries()
self.series.setName("Line 2")
self.mapper = 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 = 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)
class TestChart(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.set0 = QBarSet("Jane")
self.set1 = QBarSet("John")
self.set2 = QBarSet("Axel")
self.set3 = QBarSet("Mary")
self.set4 = 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 = 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 = 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 = 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 = 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 = 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 = QChartView(self.chart)
self.chartView.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(self.chartView)
def __init__(self, parent, quotes, trades, data_range, currency_name):
QWidget.__init__(self, parent)
self.setMinimumWidth(600)
self.setMinimumHeight(400)
self.quotes_series = QLineSeries()
for point in quotes: # Conversion to 'float' in order not to get 'int' overflow on some platforms
self.quotes_series.append(float(point['timestamp']),
point['quote'])
self.trade_series = QScatterSeries()
for point in trades: # Conversion to 'float' in order not to get 'int' overflow on some platforms
self.trade_series.append(float(point['timestamp']), point['price'])
self.trade_series.setMarkerSize(5)
self.trade_series.setBorderColor(CustomColor.LightRed)
self.trade_series.setBrush(CustomColor.DarkRed)
axisX = QDateTimeAxis()
axisX.setTickCount(11)
axisX.setRange(QDateTime().fromSecsSinceEpoch(data_range[0]),
QDateTime().fromSecsSinceEpoch(data_range[1]))
axisX.setFormat("yyyy/MM/dd")
axisX.setLabelsAngle(-90)
axisX.setTitleText("Date")
axisY = QValueAxis()
axisY.setTickCount(11)
axisY.setRange(data_range[2], data_range[3])
axisY.setTitleText("Price, " + currency_name)
self.chartView = QChartView()
self.chartView.chart().addSeries(self.quotes_series)
self.chartView.chart().addSeries(self.trade_series)
self.chartView.chart().addAxis(axisX, Qt.AlignBottom)
self.chartView.chart().setAxisX(axisX, self.quotes_series)
self.chartView.chart().setAxisX(axisX, self.trade_series)
self.chartView.chart().addAxis(axisY, Qt.AlignLeft)
self.chartView.chart().setAxisY(axisY, self.quotes_series)
self.chartView.chart().setAxisY(axisY, self.trade_series)
self.chartView.chart().legend().hide()
self.chartView.setViewportMargins(0, 0, 0, 0)
self.chartView.chart().layout().setContentsMargins(
0, 0, 0, 0) # To remove extra spacing around chart
self.chartView.chart().setBackgroundRoundness(
0) # To remove corner rounding
self.chartView.chart().setMargins(QMargins(
0, 0, 0, 0)) # Allow chart to fill all space
self.layout = QHBoxLayout(self)
self.layout.setContentsMargins(0, 0, 0,
0) # Remove extra space around layout
self.layout.addWidget(self.chartView)
self.setLayout(self.layout)
def __init__(self):
QMainWindow.__init__(self)
set0 = QBarSet("Jane")
set1 = QBarSet("John")
set2 = QBarSet("Axel")
set3 = QBarSet("Mary")
set4 = 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 = QPercentBarSeries()
series.append(set0)
series.append(set1)
series.append(set2)
series.append(set3)
series.append(set4)
chart = QChart()
chart.addSeries(series)
chart.setTitle("Simple percentbarchart example")
chart.setAnimationOptions(QChart.SeriesAnimations)
categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
axis = QBarCategoryAxis()
axis.append(categories)
chart.createDefaultAxes()
chart.setAxisX(axis, series)
chart.legend().setVisible(True)
chart.legend().setAlignment(Qt.AlignBottom)
chart_view = QChartView(chart)
chart_view.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(chart_view)
class TestChart(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.series = 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 = QChart()
self.chart.addSeries(self.series)
self.chart.legend().hide()
self.chart.setTitle("Logarithmic axis example")
self.axisX = 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 = 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 = QChartView(self.chart)
self.chartView.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(self.chartView)
def __init__(self):
QMainWindow.__init__(self)
low = QBarSet("Min")
high = 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 = QStackedBarSeries()
series.append(low)
series.append(high)
chart = QChart()
chart.addSeries(series)
chart.setTitle("Temperature records in celcius")
chart.setAnimationOptions(QChart.SeriesAnimations)
categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
"Aug", "Sep", "Oct", "Nov", "Dec"]
axisX = QBarCategoryAxis()
axisX.append(categories)
axisX.setTitleText("Month")
chart.addAxis(axisX, Qt.AlignBottom)
axisY = 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 = QChartView(chart)
chart_view.setRenderHint(QPainter.Antialiasing)
self.setCentralWidget(chart_view)
def __init__(self):
super(MainWindow, self).__init__()
self.setWindowTitle('Memory Usage')
memoryUsage = getMemoryUsage()
if len(memoryUsage) > 5:
memoryUsage = memoryUsage[0:4]
self.series = QPieSeries()
for item in memoryUsage:
self.series.append(item[0], item[1])
slice = self.series.slices()[0]
slice.setExploded()
slice.setLabelVisible()
self.chart = QChart()
self.chart.addSeries(self.series)
self.chartView = QChartView(self.chart)
self.setCentralWidget(self.chartView)
def __init__(self, device):
super(MainWindow, self).__init__()
self.series = QLineSeries()
self.chart = QChart()
self.chart.addSeries(self.series)
self.axisX = QValueAxis()
self.axisX.setRange(0, sampleCount)
self.axisX.setLabelFormat("%g")
self.axisX.setTitleText("Samples")
self.axisY = 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 = 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):
QWidget.__init__(self)
self.items = 0
# Left
self.table = QTableWidget()
self.table.setColumnCount(2)
self.table.setHorizontalHeaderLabels(["Description", "Quantity"])
self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
# Chart
self.chart_view = QChartView()
self.chart_view.setRenderHint(QPainter.Antialiasing)
# Right
self.description = QLineEdit()
self.quantity = QLineEdit()
self.add = QPushButton("Add")
self.clear = QPushButton("Clear")
self.quit = QPushButton("Quit")
self.plot = QPushButton("Plot")
# Disabling 'Add' button
self.add.setEnabled(False)
self.right = QVBoxLayout()
self.right.setContentsMargins(10, 10, 10, 10)
self.right_top = QGridLayout()
self.right_top.addWidget(QLabel("Description"), 0, 0, 1, 1)
self.right_top.addWidget(self.description, 0, 1, 1, 3)
self.right_top.addWidget(QLabel("Quantity"), 1, 0, 1, 1)
self.right_top.addWidget(self.quantity, 1, 1, 1, 1)
self.right_top.addWidget(self.add, 1, 2, 1, 2)
self.right.addLayout(self.right_top)
self.right.addWidget(self.chart_view)
self.right_bottom = QGridLayout()
self.right_bottom.addWidget(self.plot, 0, 0, 1, 2)
self.right_bottom.addWidget(self.clear, 1, 0)
self.right_bottom.addWidget(self.quit, 1, 1)
self.right.addLayout(self.right_bottom)
# QWidget Layout
self.layout = QHBoxLayout()
self.layout.addWidget(self.table)
self.layout.addLayout(self.right)
# Set the layout to the QWidget
self.setLayout(self.layout)
# Signals and Slots
self.add.clicked.connect(self.add_element)
self.quit.clicked.connect(self.quit_application)
self.plot.clicked.connect(self.plot_data)
self.clear.clicked.connect(self.clear_table)
self.description.textChanged[str].connect(self.check_disable)
self.quantity.textChanged[str].connect(self.check_disable)
class Widget(QWidget):
def __init__(self):
QWidget.__init__(self)
self.items = 0
# Left
self.table = QTableWidget()
self.table.setColumnCount(2)
self.table.setHorizontalHeaderLabels(["Description", "Quantity"])
self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
# Chart
self.chart_view = QChartView()
self.chart_view.setRenderHint(QPainter.Antialiasing)
# Right
self.description = QLineEdit()
self.quantity = QLineEdit()
self.add = QPushButton("Add")
self.clear = QPushButton("Clear")
self.quit = QPushButton("Quit")
self.plot = QPushButton("Plot")
# Disabling 'Add' button
self.add.setEnabled(False)
self.right = QVBoxLayout()
self.right.setContentsMargins(10, 10, 10, 10)
self.right_top = QGridLayout()
self.right_top.addWidget(QLabel("Description"), 0, 0, 1, 1)
self.right_top.addWidget(self.description, 0, 1, 1, 3)
self.right_top.addWidget(QLabel("Quantity"), 1, 0, 1, 1)
self.right_top.addWidget(self.quantity, 1, 1, 1, 1)
self.right_top.addWidget(self.add, 1, 2, 1, 2)
self.right.addLayout(self.right_top)
self.right.addWidget(self.chart_view)
self.right_bottom = QGridLayout()
self.right_bottom.addWidget(self.plot, 0, 0, 1, 2)
self.right_bottom.addWidget(self.clear, 1, 0)
self.right_bottom.addWidget(self.quit, 1, 1)
self.right.addLayout(self.right_bottom)
# QWidget Layout
self.layout = QHBoxLayout()
self.layout.addWidget(self.table)
self.layout.addLayout(self.right)
# Set the layout to the QWidget
self.setLayout(self.layout)
# Signals and Slots
self.add.clicked.connect(self.add_element)
self.quit.clicked.connect(self.quit_application)
self.plot.clicked.connect(self.plot_data)
self.clear.clicked.connect(self.clear_table)
self.description.textChanged[str].connect(self.check_disable)
self.quantity.textChanged[str].connect(self.check_disable)
@Slot()
def add_element(self):
des = self.description.text()
qty = self.quantity.text()
self.table.insertRow(self.items)
self.table.setItem(self.items, 0, QTableWidgetItem(des))
self.table.setItem(self.items, 1, QTableWidgetItem(qty))
self.description.setText("")
self.quantity.setText("")
self.items += 1
@Slot()
def check_disable(self, s):
if not self.description.text() or not self.quantity.text():
self.add.setEnabled(False)
else:
self.add.setEnabled(True)
@Slot()
def plot_data(self):
# Get table information
series = QBarSeries()
for i in range(self.table.rowCount()):
text = self.table.item(i, 0).text()
number = float(self.table.item(i, 1).text())
bar_set = QBarSet(text)
bar_set.append(number)
series.append(bar_set)
chart = QChart()
chart.addSeries(series)
chart.legend().setAlignment(Qt.AlignLeft)
self.chart_view.setChart(chart)
@Slot()
def quit_application(self):
QApplication.quit()
@Slot()
def clear_table(self):
self.table.setRowCount(0)
self.items = 0
def __init__(self, parent=None):
super(MainWidget, self).__init__(parent)
self.chart = QChart()
self.series = 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 = 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()
class MainWidget(QWidget):
def __init__(self, parent=None):
super(MainWidget, self).__init__(parent)
self.chart = QChart()
self.series = 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 = 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()
def create_series(self):
self.add_barset()
self.add_barset()
self.add_barset()
self.add_barset()
self.chart.addSeries(self.series)
self.chart.setTitle("Legend detach example")
self.chart.createDefaultAxes()
self.chart.legend().setVisible(True)
self.chart.legend().setAlignment(Qt.AlignBottom)
self.chart_view.setRenderHint(QPainter.Antialiasing)
def show_legend_spinbox(self):
self.legend_settings.setVisible(True)
chart_viewrect = self.chart_view.rect()
self.legend_posx.setMinimum(0)
self.legend_posx.setMaximum(chart_viewrect.width())
self.legend_posx.setValue(150)
self.legend_posy.setMinimum(0)
self.legend_posy.setMaximum(chart_viewrect.height())
self.legend_posy.setValue(150)
self.legend_width.setMinimum(0)
self.legend_width.setMaximum(chart_viewrect.width())
self.legend_width.setValue(150)
self.legend_height.setMinimum(0)
self.legend_height.setMaximum(chart_viewrect.height())
self.legend_height.setValue(75)
def hideLegendSpinbox(self):
self.legend_settings.setVisible(False)
def toggle_attached(self):
legend = self.chart.legend()
if legend.isAttachedToChart():
legend.detachFromChart()
legend.setBackgroundVisible(True)
legend.setBrush(QBrush(QColor(128, 128, 128, 128)))
legend.setPen(QPen(QColor(192, 192, 192, 192)))
self.show_legend_spinbox()
self.update_legend_layout()
else:
legend.attachToChart()
legend.setBackgroundVisible(False)
self.hideLegendSpinbox()
self.update()
def add_barset(self):
series_count = self.series.count()
bar_set = QBarSet(f"set {series_count}")
delta = series_count * 0.1
bar_set.append([1 + delta, 2 + delta, 3 + delta, 4 + delta])
self.series.append(bar_set)
def remove_barset(self):
sets = self.series.barSets()
len_sets = len(sets)
if len_sets > 0:
self.series.remove(sets[len_sets - 1])
def set_legend_alignment(self):
button = self.sender()
legend = self.chart.legend()
alignment = legend.alignment()
if alignment == Qt.AlignTop:
legend.setAlignment(Qt.AlignLeft)
if button:
button.setText("Align (Left)")
elif alignment == Qt.AlignLeft:
legend.setAlignment(Qt.AlignBottom)
if button:
button.setText("Align (Bottom)")
elif alignment == Qt.AlignBottom:
legend.setAlignment(Qt.AlignRight)
if button:
button.setText("Align (Right)")
else:
if button:
button.setText("Align (Top)")
legend.setAlignment(Qt.AlignTop)
def toggle_bold(self):
legend = self.chart.legend()
font = legend.font()
font.setBold(not font.bold())
legend.setFont(font)
def toggle_italic(self):
legend = self.chart.legend()
font = legend.font()
font.setItalic(not font.italic())
legend.setFont(font)
def font_size_changed(self):
legend = self.chart.legend()
font = legend.font()
font_size = self.font_size.value()
if font_size < 1:
font_size = 1
font.setPointSizeF(font_size)
legend.setFont(font)
def update_legend_layout(self):
legend = self.chart.legend()
rect = QRectF(self.legend_posx.value(), self.legend_posy.value(),
self.legend_width.value(), self.legend_height.value())
legend.setGeometry(rect)
legend.update()
series2 = QPieSeries()
series2.setName("Renewables")
series2.append("Wood fuels", 319663)
series2.append("Hydro power", 45875)
series2.append("Wind power", 1060)
series3 = QPieSeries()
series3.setName("Others")
series3.append("Nuclear energy", 238789)
series3.append("Import energy", 37802)
series3.append("Other", 32441)
donut_breakdown = DonutBreakdownChart()
donut_breakdown.setAnimationOptions(QChart.AllAnimations)
donut_breakdown.setTitle("Total consumption of energy in Finland 2010")
donut_breakdown.legend().setAlignment(Qt.AlignRight)
donut_breakdown.add_breakdown_series(series1, Qt.red)
donut_breakdown.add_breakdown_series(series2, Qt.darkGreen)
donut_breakdown.add_breakdown_series(series3, Qt.darkBlue)
window = QMainWindow()
chart_view = QChartView(donut_breakdown)
chart_view.setRenderHint(QPainter.Antialiasing)
window.setCentralWidget(chart_view)
available_geometry = window.screen().availableGeometry()
size = available_geometry.height() * 0.75
window.resize(size, size * 0.8)
window.show()
sys.exit(app.exec_())
def __init__(self):
QWidget.__init__(self)
self.items = 0
# Example data
self._data = {
"Water": 24.5,
"Electricity": 55.1,
"Rent": 850.0,
"Supermarket": 230.4,
"Internet": 29.99,
"Spätkauf": 21.85,
"BVG Ticket": 60.0,
"Coffee": 22.45,
"Meetup": 0.0
}
# Left
self.table = QTableWidget()
self.table.setColumnCount(2)
self.table.setHorizontalHeaderLabels(["Description", "Quantity"])
self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
# Chart
self.chart_view = QChartView()
self.chart_view.setRenderHint(QPainter.Antialiasing)
# Right
self.description = QLineEdit()
self.quantity = QLineEdit()
self.add = QPushButton("Add")
self.clear = QPushButton("Clear")
self.quit = QPushButton("Quit")
self.plot = QPushButton("Plot")
# Disabling 'Add' button
self.add.setEnabled(False)
self.right = QVBoxLayout()
self.right.setContentsMargins(10, 10, 10, 10)
self.right.addWidget(QLabel("Description"))
self.right.addWidget(self.description)
self.right.addWidget(QLabel("Quantity"))
self.right.addWidget(self.quantity)
self.right.addWidget(self.add)
self.right.addWidget(self.plot)
self.right.addWidget(self.chart_view)
self.right.addWidget(self.clear)
self.right.addWidget(self.quit)
# QWidget Layout
self.layout = QHBoxLayout()
self.layout.addWidget(self.table)
self.layout.addLayout(self.right)
# Set the layout to the QWidget
self.setLayout(self.layout)
# Signals and Slots
self.add.clicked.connect(self.add_element)
self.quit.clicked.connect(self.quit_application)
self.plot.clicked.connect(self.plot_data)
self.clear.clicked.connect(self.clear_table)
self.description.textChanged[str].connect(self.check_disable)
self.quantity.textChanged[str].connect(self.check_disable)
# Fill example data
self.fill_table()
class Widget(QWidget):
def __init__(self):
QWidget.__init__(self)
self.setMinimumSize(800, 600)
self.donuts = []
self.chart_view = 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(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)
def setup_donuts(self):
for i in range(self.donut_count):
donut = QPieSeries()
slccount = randrange(3, 6)
for j in range(slccount):
value = randrange(100, 200)
slc = QPieSlice(str(value), value)
slc.setLabelVisible(True)
slc.setLabelColor(Qt.white)
slc.setLabelPosition(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)
def update_rotation(self):
for donut in self.donuts:
phase_shift = randrange(-50, 100)
donut.setPieStartAngle(donut.pieStartAngle() + phase_shift)
donut.setPieEndAngle(donut.pieEndAngle() + phase_shift)
def explode_slice(self, exploded, slc):
if exploded:
self.update_timer.stop()
slice_startangle = slc.startAngle()
slice_endangle = slc.startAngle() + slc.angleSpan()
donut = slc.series()
idx = self.donuts.index(donut)
for i in range(idx + 1, len(self.donuts)):
self.donuts[i].setPieStartAngle(slice_endangle)
self.donuts[i].setPieEndAngle(360 + slice_startangle)
else:
for donut in self.donuts:
donut.setPieStartAngle(0)
donut.setPieEndAngle(360)
self.update_timer.start()
slc.setExploded(exploded)
class Widget(QWidget):
def __init__(self):
QWidget.__init__(self)
self.items = 0
# Example data
self._data = {
"Water": 24.5,
"Electricity": 55.1,
"Rent": 850.0,
"Supermarket": 230.4,
"Internet": 29.99,
"Spätkauf": 21.85,
"BVG Ticket": 60.0,
"Coffee": 22.45,
"Meetup": 0.0
}
# Left
self.table = QTableWidget()
self.table.setColumnCount(2)
self.table.setHorizontalHeaderLabels(["Description", "Quantity"])
self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
# Chart
self.chart_view = QChartView()
self.chart_view.setRenderHint(QPainter.Antialiasing)
# Right
self.description = QLineEdit()
self.quantity = QLineEdit()
self.add = QPushButton("Add")
self.clear = QPushButton("Clear")
self.quit = QPushButton("Quit")
self.plot = QPushButton("Plot")
# Disabling 'Add' button
self.add.setEnabled(False)
self.right = QVBoxLayout()
self.right.setContentsMargins(10, 10, 10, 10)
self.right.addWidget(QLabel("Description"))
self.right.addWidget(self.description)
self.right.addWidget(QLabel("Quantity"))
self.right.addWidget(self.quantity)
self.right.addWidget(self.add)
self.right.addWidget(self.plot)
self.right.addWidget(self.chart_view)
self.right.addWidget(self.clear)
self.right.addWidget(self.quit)
# QWidget Layout
self.layout = QHBoxLayout()
self.layout.addWidget(self.table)
self.layout.addLayout(self.right)
# Set the layout to the QWidget
self.setLayout(self.layout)
# Signals and Slots
self.add.clicked.connect(self.add_element)
self.quit.clicked.connect(self.quit_application)
self.plot.clicked.connect(self.plot_data)
self.clear.clicked.connect(self.clear_table)
self.description.textChanged[str].connect(self.check_disable)
self.quantity.textChanged[str].connect(self.check_disable)
# Fill example data
self.fill_table()
@Slot()
def add_element(self):
des = self.description.text()
qty = self.quantity.text()
self.table.insertRow(self.items)
self.table.setItem(self.items, 0, QTableWidgetItem(des))
self.table.setItem(self.items, 1, QTableWidgetItem(qty))
self.description.setText("")
self.quantity.setText("")
self.items += 1
@Slot()
def check_disable(self, s):
if not self.description.text() or not self.quantity.text():
self.add.setEnabled(False)
else:
self.add.setEnabled(True)
@Slot()
def plot_data(self):
# Get table information
series = QPieSeries()
for i in range(self.table.rowCount()):
text = self.table.item(i, 0).text()
number = float(self.table.item(i, 1).text())
series.append(text, number)
chart = QChart()
chart.addSeries(series)
chart.legend().setAlignment(Qt.AlignLeft)
self.chart_view.setChart(chart)
@Slot()
def quit_application(self):
QApplication.quit()
def fill_table(self, data=None):
data = self._data if not data else data
for desc, price in data.items():
self.table.insertRow(self.items)
self.table.setItem(self.items, 0, QTableWidgetItem(desc))
self.table.setItem(self.items, 1, QTableWidgetItem(str(price)))
self.items += 1
@Slot()
def clear_table(self):
self.table.setRowCount(0)
self.items = 0