def __init__(self, *args, thresholds=(0.0, 1.0), **kwargs):
super().__init__(*args, **kwargs)
low = round(clip(thresholds[0], 0., 1.), 2)
high = round(clip(thresholds[1], 0., 1.), 2)
high = max(low, high)
self.__threshold_low, self.__threshold_high = low, high
form = QFormLayout(
formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow
)
form.setContentsMargins(0, 0, 0, 0)
self.gradient_cb = QComboBox(
None, objectName="gradient-combo-box",
)
self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect)
icsize = self.style().pixelMetric(
QStyle.PM_SmallIconSize, None, self.gradient_cb
)
self.gradient_cb.setIconSize(QSize(64, icsize))
model = itemmodels.ContinuousPalettesModel()
model.setParent(self)
self.gradient_cb.setModel(model)
self.gradient_cb.activated[int].connect(self.activated)
self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged)
slider_low = QSlider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(low * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksBelow, pageStep=10,
toolTip=self.tr("Low gradient threshold"),
whatsThis=self.tr("Applying a low threshold will squeeze the "
"gradient from the lower end")
)
slider_high = QSlider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(high * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksAbove, pageStep=10,
toolTip=self.tr("High gradient threshold"),
whatsThis=self.tr("Applying a high threshold will squeeze the "
"gradient from the higher end")
)
form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb)
form.addRow(self.tr("Low:"), slider_low)
form.addRow(self.tr("High:"), slider_high)
self.slider_low = slider_low
self.slider_high = slider_high
self.slider_low.valueChanged.connect(self.__on_slider_low_moved)
self.slider_high.valueChanged.connect(self.__on_slider_high_moved)
self.setLayout(form)
def __init__(self, parent=None, **kwargs):
BaseEditor.__init__(self, parent, **kwargs)
self.__method = DiscretizeEditor.EqualFreq
self.__nintervals = 4
layout = QVBoxLayout()
self.setLayout(layout)
self.__group = group = QButtonGroup(self, exclusive=True)
for method in [
self.EntropyMDL, self.EqualFreq, self.EqualWidth, self.Drop
]:
rb = QRadioButton(self,
text=self.Names[method],
checked=self.__method == method)
layout.addWidget(rb)
group.addButton(rb, method)
group.buttonClicked.connect(self.__on_buttonClicked)
self.__slbox = slbox = QGroupBox(
title="间隔数(等宽/等频)Number of intervals (for equal width/frequency)",
flat=True)
slbox.setLayout(QHBoxLayout())
self.__slider = slider = QSlider(orientation=Qt.Horizontal,
minimum=2,
maximum=10,
value=self.__nintervals,
enabled=self.__method
in [self.EqualFreq, self.EqualWidth],
pageStep=1,
tickPosition=QSlider.TicksBelow)
slider.valueChanged.connect(self.__on_valueChanged)
slbox.layout().addWidget(slider)
self.__slabel = slabel = QLabel()
slbox.layout().addWidget(slabel)
container = QHBoxLayout()
container.setContentsMargins(13, 0, 0, 0)
container.addWidget(slbox)
self.layout().insertLayout(3, container)
self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
def __init__(self, parent: QWidget, variable: ContinuousVariable,
min_value: float, max_value: float, callback: Callable):
super().__init__(parent, callback)
if np.isnan(min_value) or np.isnan(max_value):
raise ValueError("Min/Max cannot be NaN.")
n_decimals = variable.number_of_decimals
abs_max = max(abs(min_value), max_value)
if abs_max * 10**n_decimals > self.MAX_FLOAT:
n_decimals = int(np.log10(self.MAX_FLOAT / abs_max))
self._value: float = min_value
self._n_decimals: int = n_decimals
self._min_value: float = self.__round_value(min_value)
self._max_value: float = self.__round_value(max_value)
sp_spin = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
sp_spin.setHorizontalStretch(1)
sp_slider = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
sp_slider.setHorizontalStretch(5)
sp_edit = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
sp_edit.setHorizontalStretch(1)
class DoubleSpinBox(QDoubleSpinBox):
def sizeHint(self) -> QSize:
size: QSize = super().sizeHint()
return QSize(size.width(), size.height() + 2)
self._spin = DoubleSpinBox(
parent,
value=self._min_value,
minimum=-np.inf,
maximum=np.inf,
singleStep=10**(-self._n_decimals),
decimals=self._n_decimals,
minimumWidth=70,
sizePolicy=sp_spin,
)
self._slider = QSlider(
parent,
minimum=self.__map_to_slider(self._min_value),
maximum=self.__map_to_slider(self._max_value),
singleStep=1,
orientation=Qt.Horizontal,
sizePolicy=sp_slider,
)
self._label_min = QLabel(
parent,
text=variable.repr_val(min_value),
alignment=Qt.AlignRight,
minimumWidth=60,
sizePolicy=sp_edit,
)
self._label_max = QLabel(
parent,
text=variable.repr_val(max_value),
alignment=Qt.AlignLeft,
minimumWidth=60,
sizePolicy=sp_edit,
)
self._slider.valueChanged.connect(self._apply_slider_value)
self._spin.valueChanged.connect(self._apply_spin_value)
self.layout().addWidget(self._spin)
self.layout().addWidget(self._label_min)
self.layout().addWidget(self._slider)
self.layout().addWidget(self._label_max)
self.setFocusProxy(self._spin)
def deselect():
self._spin.lineEdit().deselect()
try:
self._spin.lineEdit().selectionChanged.disconnect(deselect)
except TypeError:
pass
# Invoking self.setFocusProxy(self._spin), causes the
# self._spin.lineEdit()s to have selected texts (focus is set to
# provide keyboard functionality, i.e.: pressing ESC after changing
# spinbox value). Since the spin text is selected only after the
# delegate draws it, it cannot be deselected during initialization.
# Therefore connect the deselect() function to
# self._spin.lineEdit().selectionChanged only for editor creation.
self._spin.lineEdit().selectionChanged.connect(deselect)
self._slider.installEventFilter(self)
self._spin.installEventFilter(self)
def init_form(self):
# Get the current path of the file
rootPath = os.path.dirname(__file__)
vlayout = QVBoxLayout()
hlayout = QHBoxLayout()
if _api.USED_API == _api.QT_API_PYQT5:
hlayout.setContentsMargins(0, 0, 0, 0)
vlayout.setContentsMargins(0, 0, 0, 0)
elif _api.USED_API == _api.QT_API_PYQT4:
hlayout.setMargin(0)
vlayout.setMargin(0)
self.setLayout(vlayout)
# Add scroll area
scrollarea = QScrollArea()
self._scrollArea = scrollarea
scrollarea.setMinimumHeight(140)
scrollarea.setWidgetResizable(True)
scrollarea.keyPressEvent = self.__scrollAreaKeyPressEvent
scrollarea.keyReleaseEvent = self.__scrollAreaKeyReleaseEvent
vlayout.addWidget(scrollarea)
# The timeline widget
self._time = widget = TimelineWidget(self)
widget._scroll = scrollarea
scrollarea.setWidget(widget)
# Timeline zoom slider
slider = QSlider(QtCore.Qt.Horizontal)
slider.setFocusPolicy(QtCore.Qt.NoFocus)
slider.setMinimum(1)
slider.setMaximum(100)
slider.setValue(10)
slider.setPageStep(1)
slider.setTickPosition(QSlider.NoTicks) # TicksBothSides
slider.valueChanged.connect(self.__scaleSliderChange)
slider_label_zoom_in = QLabel()
slider_label_zoom_out = QLabel()
slider_label_zoom_in.setPixmap(
conf.PYFORMS_PIXMAP_EVENTTIMELINE_ZOOM_IN)
slider_label_zoom_out.setPixmap(
conf.PYFORMS_PIXMAP_EVENTTIMELINE_ZOOM_OUT)
self._zoomLabel = QLabel("100%")
hlayout.addWidget(self._zoomLabel)
hlayout.addWidget(slider_label_zoom_out)
hlayout.addWidget(slider)
hlayout.addWidget(slider_label_zoom_in)
# Import/Export Buttons
btn_import = QPushButton("Import")
btn_import.setIcon(conf.PYFORMS_ICON_EVENTTIMELINE_IMPORT)
btn_import.clicked.connect(self.__open_import_win_evt)
btn_export = QPushButton("Export")
btn_export.setIcon(conf.PYFORMS_ICON_EVENTTIMELINE_EXPORT)
btn_export.clicked.connect(self.__export)
hlayout.addWidget(btn_import)
hlayout.addWidget(btn_export)
vlayout.addLayout(hlayout)
from AnyQt.QtWidgets import QApplication, QDialog, QGridLayout, QLabel
app = QApplication([])
win = QDialog()
grid = QGridLayout(win)
win.setLayout(grid)
kwargs = dict(minimum=-5, maximum=7, orientation=Qt.Horizontal)
def _printValues(val0, val1):
print("value0:", val0, ", value1:", val1)
def _printPosition(val0, val1):
print("position0:", val0, ", position1:", val1)
grid.addWidget(QLabel('Double Slider:', parent=win), 0, 0)
slider = HRangeSlider(win, **kwargs)
slider.valueChanged.connect(_printValues)
slider.sliderMoved.connect(_printPosition)
slider.setTickList([-5, -1, 7, 2.2, 2.1, 5.0])
grid.addWidget(slider, 0, 1)
grid.addWidget(QLabel('Double Slider no ticks:', parent=win), 1, 0)
grid.addWidget(HRangeSlider(win, **kwargs), 1, 1)
grid.addWidget(QLabel('QSlider:', parent=win), 2, 0)
slider = QSlider(win, **kwargs)
slider.setTickPosition(QSlider.TicksBelow)
grid.addWidget(slider, 2, 1)
win.show()
app.exec()