def create_widget(self):
self.check_param(self.param, assert_error=True)
self.default = self.param['range'][0]
if 'default' in self.param.keys():
if self.param['default']:
self.default = self.param['default']
self.widget_group = QWidget()
slider = QSlider(Qt.Horizontal)
slider.setValue(self.default)
slider.setRange(self.param['range'][0], self.param['range'][1])
self.widget = QSpinBox()
self.widget.setValue(self.default)
self.widget.setRange(self.param['range'][0], self.param['range'][1])
self.widget.valueChanged.connect(slider.setValue)
slider.valueChanged.connect(self.widget.setValue)
h_box = QHBoxLayout()
h_box.addWidget(slider)
h_box.addWidget(self.widget)
h_box.addStretch(1)
self.widget_group.setLayout(h_box)
def __init__(self, layer):
super().__init__()
self.layer = layer
layer.events.blending.connect(self._on_blending_change)
layer.events.opacity.connect(self._on_opacity_change)
self.setObjectName('layer')
self.setMouseTracking(True)
self.grid_layout = QGridLayout()
self.grid_layout.setContentsMargins(0, 0, 0, 0)
self.grid_layout.setSpacing(2)
self.setLayout(self.grid_layout)
sld = QSlider(Qt.Horizontal)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(100)
sld.setSingleStep(1)
sld.setValue(self.layer.opacity * 100)
sld.valueChanged[int].connect(
lambda value=sld: self.changeOpacity(value))
self.opacitySilder = sld
blend_comboBox = QComboBox()
for blend in Blending:
blend_comboBox.addItem(str(blend))
index = blend_comboBox.findText(self.layer.blending,
Qt.MatchFixedString)
blend_comboBox.setCurrentIndex(index)
blend_comboBox.activated[str].connect(
lambda text=blend_comboBox: self.changeBlending(text))
self.blendComboBox = blend_comboBox
def createBottomRightGroupBox(self):
self.bottomRightGroupBox = QGroupBox("Group 3")
self.bottomRightGroupBox.setCheckable(True)
self.bottomRightGroupBox.setChecked(True)
lineEdit = QLineEdit('s3cRe7')
lineEdit.setEchoMode(QLineEdit.Password)
spinBox = QSpinBox(self.bottomRightGroupBox)
spinBox.setValue(50)
dateTimeEdit = QDateTimeEdit(self.bottomRightGroupBox)
dateTimeEdit.setDateTime(QDateTime.currentDateTime())
slider = QSlider(Qt.Horizontal, self.bottomRightGroupBox)
slider.setValue(40)
scrollBar = QScrollBar(Qt.Horizontal, self.bottomRightGroupBox)
scrollBar.setValue(60)
dial = QDial(self.bottomRightGroupBox)
dial.setValue(30)
dial.setNotchesVisible(True)
layout = QGridLayout()
layout.addWidget(lineEdit, 0, 0, 1, 2)
layout.addWidget(spinBox, 1, 0, 1, 2)
layout.addWidget(dateTimeEdit, 2, 0, 1, 2)
layout.addWidget(slider, 3, 0)
layout.addWidget(scrollBar, 4, 0)
layout.addWidget(dial, 3, 1, 2, 1)
layout.setRowStretch(5, 1)
self.bottomRightGroupBox.setLayout(layout)
class IntelligentSlider(QWidget):
''' A slider that adds a 'name' attribute and calls a callback
with 'name' as an argument to the registerd callback.
This allows you to create large groups of sliders in a loop,
but still keep track of the individual events
It also prints a label below the slider.
The range of the slider is hardcoded from zero - 1000,
but it supports a conversion factor so you can scale the results'''
def __init__(self, name, a, b, callback):
QWidget.__init__(self)
self.name = name
self.callback = callback
self.a = a
self.b = b
self.manually_triggered = False
self.slider = QSlider()
self.slider.setRange(0, 1000)
self.slider.setValue(500)
self.slider.valueChanged.connect(self.slider_changed)
self.name_label = QLabel()
self.name_label.setText(self.name)
self.name_label.setAlignment(QtCore.Qt.AlignCenter)
self.value_label = QLabel()
self.value_label.setText('%2.2f' % (self.slider.value() * self.a
+ self.b))
self.value_label.setAlignment(QtCore.Qt.AlignCenter)
self.layout = QGridLayout(self)
self.layout.addWidget(self.name_label, 0, 0)
self.layout.addWidget(self.slider, 1, 0, QtCore.Qt.AlignHCenter)
self.layout.addWidget(self.value_label, 2, 0)
# bind this to the valueChanged signal of the slider
def slider_changed(self, val):
val = self.val()
self.value_label.setText(str(val)[:4])
if not self.manually_triggered:
self.callback(self.name, val)
def set_conv_fac(self, a, b):
self.a = a
self.b = b
def set_value(self, val):
self.manually_triggered = True
self.slider.setValue(int((val - self.b) / self.a))
self.value_label.setText('%2.2f' % val)
self.manually_triggered = False
def val(self):
return self.slider.value() * self.a + self.b
class IntelligentSlider(QWidget):
''' A slider that adds a 'name' attribute and calls a callback
with 'name' as an argument to the registerd callback.
This allows you to create large groups of sliders in a loop,
but still keep track of the individual events
It also prints a label below the slider.
The range of the slider is hardcoded from zero - 1000,
but it supports a conversion factor so you can scale the results'''
def __init__(self, name, a, b, callback):
QWidget.__init__(self)
self.name = name
self.callback = callback
self.a = a
self.b = b
self.manually_triggered = False
self.slider = QSlider()
self.slider.setRange(0, 1000)
self.slider.setValue(500)
self.slider.valueChanged.connect(self.slider_changed)
self.name_label = QLabel()
self.name_label.setText(self.name)
self.name_label.setAlignment(QtCore.Qt.AlignCenter)
self.value_label = QLabel()
self.value_label.setText('%2.2f' %
(self.slider.value() * self.a + self.b))
self.value_label.setAlignment(QtCore.Qt.AlignCenter)
self.layout = QGridLayout(self)
self.layout.addWidget(self.name_label, 0, 0)
self.layout.addWidget(self.slider, 1, 0, QtCore.Qt.AlignHCenter)
self.layout.addWidget(self.value_label, 2, 0)
# bind this to the valueChanged signal of the slider
def slider_changed(self, val):
val = self.val()
self.value_label.setText(str(val)[:4])
if not self.manually_triggered:
self.callback(self.name, val)
def set_conv_fac(self, a, b):
self.a = a
self.b = b
def set_value(self, val):
self.manually_triggered = True
self.slider.setValue(int((val - self.b) / self.a))
self.value_label.setText('%2.2f' % val)
self.manually_triggered = False
def val(self):
return self.slider.value() * self.a + self.b
def __init__(self, theme='dark', emphasized=False):
super().__init__(None)
self.setProperty('emphasized', emphasized)
self.setStyleSheet(template(raw_stylesheet, **palettes[theme]))
lay = QVBoxLayout()
self.setLayout(lay)
lay.addWidget(QPushButton('push button'))
box = QComboBox()
box.addItems(['a', 'b', 'c', 'cd'])
lay.addWidget(box)
lay.addWidget(QFontComboBox())
hbox = QHBoxLayout()
chk = QCheckBox('tristate')
chk.setToolTip('I am a tooltip')
chk.setTristate(True)
chk.setCheckState(Qt.PartiallyChecked)
chk3 = QCheckBox('checked')
chk3.setChecked(True)
hbox.addWidget(QCheckBox('unchecked'))
hbox.addWidget(chk)
hbox.addWidget(chk3)
lay.addLayout(hbox)
lay.addWidget(TabDemo(emphasized=emphasized))
sld = QSlider(Qt.Horizontal)
sld.setValue(50)
lay.addWidget(sld)
scroll = QScrollBar(Qt.Horizontal)
scroll.setValue(50)
lay.addWidget(scroll)
lay.addWidget(QHRangeSlider(parent=self))
text = QTextEdit()
text.setMaximumHeight(100)
text.setHtml(blurb)
lay.addWidget(text)
lay.addWidget(QTimeEdit())
edit = QLineEdit()
edit.setPlaceholderText('LineEdit placeholder...')
lay.addWidget(edit)
lay.addWidget(QLabel('label'))
prog = QProgressBar()
prog.setValue(50)
lay.addWidget(prog)
groupBox = QGroupBox("Exclusive Radio Buttons")
radio1 = QRadioButton("&Radio button 1")
radio2 = QRadioButton("R&adio button 2")
radio3 = QRadioButton("Ra&dio button 3")
radio1.setChecked(True)
hbox = QHBoxLayout()
hbox.addWidget(radio1)
hbox.addWidget(radio2)
hbox.addWidget(radio3)
hbox.addStretch(1)
groupBox.setLayout(hbox)
lay.addWidget(groupBox)
class QLabeledSlider(QWidget):
"""
A labeled slider widget
"""
range = None
integer = None
def __init__(self, parent=None):
super(QLabeledSlider, self).__init__(parent)
self._range = range
self._slider = QSlider()
self._slider.setMinimum(0)
self._slider.setMaximum(100)
self._slider.setOrientation(Qt.Horizontal)
self._label = QLabel('')
self._layout = QHBoxLayout()
self._layout.setContentsMargins(2, 2, 2, 2)
self._layout.addWidget(self._slider)
self._layout.addWidget(self._label)
self._slider.valueChanged.connect(self._update_label)
self.setLayout(self._layout)
def _update_label(self, *args):
self._label.setText(str(self.value()))
@property
def valueChanged(self):
return self._slider.valueChanged
def value(self, layer=None, view=None):
value = self._slider.value() / 100. * (self.range[1] -
self.range[0]) + self.range[0]
if self.integer:
return int(value)
else:
return (value)
_in_set_value = False
def setValue(self, value):
if self._in_set_value:
return
self._in_set_value = True
value = int(100 * (value - self.range[0]) /
(self.range[1] - self.range[0]))
self._slider.setValue(value)
self._in_set_value = False
def __init__(self, layer):
super().__init__(layer)
self.layer.events.edge_width.connect(self._on_edge_width_change)
self.layer.events.edge_color.connect(self._on_edge_color_change)
self.layer.events.face_color.connect(self._on_face_color_change)
sld = QSlider(Qt.Horizontal, self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setFixedWidth(75)
sld.setMinimum(0)
sld.setMaximum(40)
sld.setSingleStep(1)
value = self.layer.edge_width
if isinstance(value, Iterable):
if isinstance(value, list):
value = np.asarray(value)
value = value.mean()
sld.setValue(int(value))
sld.valueChanged[int].connect(lambda value=sld:
self.changeWidth(value))
self.widthSlider = sld
self.grid_layout.addWidget(QLabel('width:'), 3, 0)
self.grid_layout.addWidget(sld, 3, 1)
face_comboBox = QComboBox()
colors = self.layer._colors
for c in colors:
face_comboBox.addItem(c)
index = face_comboBox.findText(
self.layer.face_color, Qt.MatchFixedString)
if index >= 0:
face_comboBox.setCurrentIndex(index)
face_comboBox.activated[str].connect(lambda text=face_comboBox:
self.changeFaceColor(text))
self.faceComboBox = face_comboBox
self.grid_layout.addWidget(QLabel('face_color:'), 4, 0)
self.grid_layout.addWidget(face_comboBox, 4, 1)
edge_comboBox = QComboBox()
colors = self.layer._colors
for c in colors:
edge_comboBox.addItem(c)
index = edge_comboBox.findText(
self.layer.edge_color, Qt.MatchFixedString)
if index >= 0:
edge_comboBox.setCurrentIndex(index)
edge_comboBox.activated[str].connect(lambda text=edge_comboBox:
self.changeEdgeColor(text))
self.edgeComboBox = edge_comboBox
self.grid_layout.addWidget(QLabel('edge_color:'), 5, 0)
self.grid_layout.addWidget(edge_comboBox, 5, 1)
self.setExpanded(False)
class QLabeledSlider(QWidget):
"""
A labeled slider widget
"""
range = None
integer = None
def __init__(self, parent=None):
super(QLabeledSlider, self).__init__(parent)
self._range = range
self._slider = QSlider()
self._slider.setMinimum(0)
self._slider.setMaximum(100)
self._slider.setOrientation(Qt.Horizontal)
self._label = QLabel('')
self._layout = QHBoxLayout()
self._layout.setContentsMargins(2, 2, 2, 2)
self._layout.addWidget(self._slider)
self._layout.addWidget(self._label)
self._slider.valueChanged.connect(self._update_label)
self.setLayout(self._layout)
def _update_label(self, *args):
self._label.setText(str(self.value()))
@property
def valueChanged(self):
return self._slider.valueChanged
def value(self, layer=None, view=None):
value = self._slider.value() / 100. * (self.range[1] - self.range[0]) + self.range[0]
if self.integer:
return int(value)
else:
return(value)
_in_set_value = False
def setValue(self, value):
if self._in_set_value:
return
self._in_set_value = True
value = int(100 * (value - self.range[0]) / (self.range[1] - self.range[0]))
self._slider.setValue(value)
self._in_set_value = False
def __init__(self, layer):
super().__init__(layer)
self.layer.events.colormap.connect(self._on_colormap_change)
self.layer.events.gamma.connect(self._on_gamma_change)
self.layer.events.contrast_limits.connect(
self._on_contrast_limits_change
)
comboBox = QtColormapComboBox(self)
comboBox.setObjectName("colormapComboBox")
comboBox._allitems = set(self.layer.colormaps)
for name, cm in AVAILABLE_COLORMAPS.items():
if name in self.layer.colormaps:
comboBox.addItem(cm._display_name, name)
comboBox.activated[str].connect(self.changeColor)
self.colormapComboBox = comboBox
# Create contrast_limits slider
self.contrastLimitsSlider = QHRangeSlider(
self.layer.contrast_limits,
self.layer.contrast_limits_range,
parent=self,
)
self.contrastLimitsSlider.mousePressEvent = self._clim_mousepress
set_clim = partial(setattr, self.layer, 'contrast_limits')
set_climrange = partial(setattr, self.layer, 'contrast_limits_range')
self.contrastLimitsSlider.valuesChanged.connect(set_clim)
self.contrastLimitsSlider.rangeChanged.connect(set_climrange)
# gamma slider
sld = QSlider(Qt.Horizontal, parent=self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(2)
sld.setMaximum(200)
sld.setSingleStep(2)
sld.setValue(100)
sld.valueChanged.connect(self.gamma_slider_changed)
self.gammaSlider = sld
self._on_gamma_change()
self.colorbarLabel = QLabel(parent=self)
self.colorbarLabel.setObjectName('colorbar')
self.colorbarLabel.setToolTip(trans._('Colorbar'))
self._on_colormap_change()
def __init__(self, layer):
super().__init__(layer)
self.layer.events.colormap.connect(self._on_colormap_change)
self.layer.events.contrast_limits.connect(
lambda e: self.contrast_limits_slider_update()
)
self.layer.events.gamma.connect(lambda e: self.gamma_slider_update())
comboBox = QComboBox()
for cmap in self.layer.colormaps:
comboBox.addItem(cmap)
comboBox._allitems = set(self.layer.colormaps)
comboBox.activated[str].connect(
lambda text=comboBox: self.changeColor(text)
)
self.colormapComboBox = comboBox
# Create contrast_limits slider
self.contrastLimitsSlider = QHRangeSlider(
slider_range=[0, 1, 0.0001], values=[0, 1]
)
self.contrastLimitsSlider.setEmitWhileMoving(True)
self.contrastLimitsSlider.collapsable = False
self.contrastLimitsSlider.setEnabled(True)
self.contrastLimitsSlider.rangeChanged.connect(
self.contrast_limits_slider_changed
)
self.contrast_limits_slider_update()
# gamma slider
sld = QSlider(Qt.Horizontal)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(2)
sld.setMaximum(200)
sld.setSingleStep(2)
sld.setValue(100)
sld.valueChanged[int].connect(self.gamma_slider_changed)
self.gammaSlider = sld
self.gamma_slider_update()
self.colorbarLabel = QLabel()
self.colorbarLabel.setObjectName('colorbar')
self.colorbarLabel.setToolTip('Colorbar')
self._on_colormap_change(None)
class SliderWidget(HLayoutMixin, LineEditWidget):
"""
IntItem with Slider
"""
DATA_TYPE = int
def __init__(self, item, parent_layout):
super(SliderWidget, self).__init__(item, parent_layout)
self.slider = self.vmin = self.vmax = None
if item.get_prop_value("display", "slider"):
self.vmin = item.get_prop_value("data", "min")
self.vmax = item.get_prop_value("data", "max")
assert (
self.vmin is not None and self.vmax is not None
), "SliderWidget requires that item min/max have been defined"
self.slider = QSlider()
self.slider.setOrientation(Qt.Horizontal)
self.setup_slider(item)
self.slider.valueChanged.connect(self.value_changed)
self.group.addWidget(self.slider)
def value_to_slider(self, value):
return value
def slider_to_value(self, value):
return value
def setup_slider(self, item):
self.slider.setRange(self.vmin, self.vmax)
def update(self, value):
"""Reimplement LineEditWidget method"""
LineEditWidget.update(self, value)
if self.slider is not None and isinstance(value, self.DATA_TYPE):
self.slider.blockSignals(True)
self.slider.setValue(self.value_to_slider(value))
self.slider.blockSignals(False)
def value_changed(self, ivalue):
"""Update the lineedit"""
value = str(self.slider_to_value(ivalue))
self.edit.setText(value)
self.update(value)
def open_perspective_popup(self):
"""Show a slider to control the viewer `camera.perspective`."""
if self.viewer.dims.ndisplay != 3:
return
# make slider connected to perspective parameter
sld = QSlider(Qt.Horizontal, self)
sld.setRange(0, max(90, self.viewer.camera.perspective))
sld.setValue(self.viewer.camera.perspective)
sld.valueChanged.connect(
lambda v: setattr(self.viewer.camera, 'perspective', v))
# make layout
layout = QHBoxLayout()
layout.addWidget(QLabel(trans._('Perspective'), self))
layout.addWidget(sld)
# popup and show
pop = QtPopup(self)
pop.frame.setLayout(layout)
pop.show_above_mouse()
def __init__(self, layer):
super().__init__(layer)
self.layer.events.colormap.connect(self._on_colormap_change)
self.layer.events.gamma.connect(self.gamma_slider_update)
self.layer.events.contrast_limits.connect(self._on_clims_change)
comboBox = QComboBox()
comboBox.addItems(self.layer.colormaps)
comboBox._allitems = set(self.layer.colormaps)
comboBox.activated[str].connect(self.changeColor)
self.colormapComboBox = comboBox
# Create contrast_limits slider
self.contrastLimitsSlider = QHRangeSlider(
self.layer.contrast_limits, self.layer.contrast_limits_range
)
self.contrastLimitsSlider.mousePressEvent = self._clim_mousepress
set_clim = partial(setattr, self.layer, 'contrast_limits')
set_climrange = partial(setattr, self.layer, 'contrast_limits_range')
self.contrastLimitsSlider.valuesChanged.connect(set_clim)
self.contrastLimitsSlider.rangeChanged.connect(set_climrange)
# gamma slider
sld = QSlider(Qt.Horizontal)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(2)
sld.setMaximum(200)
sld.setSingleStep(2)
sld.setValue(100)
sld.valueChanged.connect(self.gamma_slider_changed)
self.gammaSlider = sld
self.gamma_slider_update()
self.colorbarLabel = QLabel()
self.colorbarLabel.setObjectName('colorbar')
self.colorbarLabel.setToolTip('Colorbar')
self._on_colormap_change()
def __init__(self, parent):
super(MainWidget, self).__init__(parent)
self._layout = QHBoxLayout(self)
self.setLayout(self._layout)
roundbar = QRoundProgressBar(self)
roundbar.setBarStyle(QRoundProgressBar.BarStyle.PIE)
roundbar.setFixedWidth(300)
roundbar.setFixedHeight(300)
roundbar.setDecimals(1)
self._layout.addWidget(roundbar)
self._controlWidget = QWidget(self)
self._controlWidget.setMaximumHeight(200)
self._controlWidgetLayout = QFormLayout(self._controlWidget)
self._controlWidget.setLayout(self._controlWidgetLayout)
bar_style_label = QLabel("Bar style", self._controlWidget)
style = QPushButton(self._controlWidget)
style.setText("Change bar style")
self._controlWidgetLayout.addRow(bar_style_label, style)
app_style_label = QLabel("App style", self._controlWidget)
picker = StylePickerHorizontal(self._controlWidget)
self._controlWidgetLayout.addRow(app_style_label, picker)
style.clicked.connect(lambda: roundbar.setBarStyle(get_style()))
slider_label = QLabel("Progress", self._controlWidget)
slider = QSlider(Qt.Horizontal, self._controlWidget)
slider.setRange(0, 100)
slider.valueChanged.connect(roundbar.setValue)
slider.setValue(28)
self._controlWidgetLayout.addRow(slider_label, slider)
self._layout.addWidget(self._controlWidget)
class AnimateDialog(QDialog):
def __init__(self, vpoints: Sequence[VPoint], vlinks: Sequence[VLink],
path: _Paths, slider_path: _SliderPaths, monochrome: bool,
parent: QWidget):
super(AnimateDialog, self).__init__(parent)
self.setWindowTitle("Vector Animation")
self.setWindowFlags(self.windowFlags() | Qt.WindowMaximizeButtonHint
& ~Qt.WindowContextHelpButtonHint)
self.setMinimumSize(800, 600)
self.setModal(True)
main_layout = QVBoxLayout(self)
self.canvas = _DynamicCanvas(vpoints, vlinks, path, slider_path, self)
self.canvas.set_monochrome_mode(monochrome)
self.canvas.update_pos.connect(self.__set_pos)
layout = QHBoxLayout(self)
pt_option = QComboBox(self)
pt_option.addItems([f"P{p}" for p in range(len(vpoints))])
layout.addWidget(pt_option)
value_label = QLabel(self)
@Slot(int)
def show_values(ind: int):
vel, vel_deg = self.canvas.get_vel(ind)
acc, acc_deg = self.canvas.get_acc(ind)
value_label.setText(
f"Velocity: {vel:.04f} ({vel_deg:.04f}deg) | "
f"Acceleration: {acc:.04f} ({acc_deg:.04f}deg)")
pt_option.currentIndexChanged.connect(show_values)
layout.addWidget(value_label)
self.pos_label = QLabel(self)
layout.addItem(
QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum))
layout.addWidget(self.pos_label)
main_layout.addLayout(layout)
main_layout.addWidget(self.canvas)
layout = QHBoxLayout(self)
self.play = QPushButton(QIcon(QPixmap(":/icons/play.png")), "", self)
self.play.setCheckable(True)
self.play.clicked.connect(self.__play)
layout.addWidget(self.play)
self.slider = QSlider(Qt.Horizontal, self)
self.slider.setMaximum(max(len(p) for p in path) - 1)
self.slider.valueChanged.connect(self.canvas.set_index)
layout.addWidget(self.slider)
layout.addWidget(QLabel("Total times:", self))
factor = QDoubleSpinBox(self)
factor.valueChanged.connect(self.canvas.set_factor)
factor.setSuffix('s')
factor.setRange(0.01, 999999)
factor.setValue(10)
layout.addWidget(factor)
main_layout.addLayout(layout)
self.timer = QTimer()
self.timer.setInterval(10)
self.timer.timeout.connect(self.__move_ind)
@Slot()
def __move_ind(self):
"""Move indicator."""
value = self.slider.value() + 1
self.slider.setValue(value)
if value > self.slider.maximum():
self.slider.setValue(0)
@Slot(float, float)
def __set_pos(self, x: float, y: float) -> None:
"""Set mouse position."""
self.pos_label.setText(f"({x:.04f}, {y:.04f})")
@Slot()
def __play(self):
"""Start playing."""
if self.play.isChecked():
self.timer.start()
else:
self.timer.stop()
def __init__(self, layer):
super().__init__(layer)
self.layer.events.mode.connect(self.set_mode)
self.layer.events.edge_width.connect(self._on_edge_width_change)
self.layer.events.edge_color.connect(self._on_edge_color_change)
self.layer.events.face_color.connect(self._on_face_color_change)
self.layer.events.editable.connect(self._on_editable_change)
sld = QSlider(Qt.Horizontal)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(40)
sld.setSingleStep(1)
value = self.layer.edge_width
if isinstance(value, Iterable):
if isinstance(value, list):
value = np.asarray(value)
value = value.mean()
sld.setValue(int(value))
sld.valueChanged[int].connect(
lambda value=sld: self.changeWidth(value)
)
self.widthSlider = sld
face_comboBox = QComboBox()
colors = self.layer._colors
for c in colors:
face_comboBox.addItem(c)
face_comboBox.activated[str].connect(
lambda text=face_comboBox: self.changeFaceColor(text)
)
self.faceComboBox = face_comboBox
self.faceColorSwatch = QFrame()
self.faceColorSwatch.setObjectName('swatch')
self.faceColorSwatch.setToolTip('Face color swatch')
self._on_face_color_change(None)
edge_comboBox = QComboBox()
colors = self.layer._colors
for c in colors:
edge_comboBox.addItem(c)
edge_comboBox.activated[str].connect(
lambda text=edge_comboBox: self.changeEdgeColor(text)
)
self.edgeComboBox = edge_comboBox
self.edgeColorSwatch = QFrame()
self.edgeColorSwatch.setObjectName('swatch')
self.edgeColorSwatch.setToolTip('Edge color swatch')
self._on_edge_color_change(None)
self.select_button = QtModeButton(
layer, 'select', Mode.SELECT, 'Select shapes'
)
self.direct_button = QtModeButton(
layer, 'direct', Mode.DIRECT, 'Select vertices'
)
self.panzoom_button = QtModeButton(
layer, 'zoom', Mode.PAN_ZOOM, 'Pan/zoom'
)
self.rectangle_button = QtModeButton(
layer, 'rectangle', Mode.ADD_RECTANGLE, 'Add rectangles'
)
self.ellipse_button = QtModeButton(
layer, 'ellipse', Mode.ADD_ELLIPSE, 'Add ellipses'
)
self.line_button = QtModeButton(
layer, 'line', Mode.ADD_LINE, 'Add lines'
)
self.path_button = QtModeButton(
layer, 'path', Mode.ADD_PATH, 'Add paths'
)
self.polygon_button = QtModeButton(
layer, 'polygon', Mode.ADD_POLYGON, 'Add polygons'
)
self.vertex_insert_button = QtModeButton(
layer, 'vertex_insert', Mode.VERTEX_INSERT, 'Insert vertex'
)
self.vertex_remove_button = QtModeButton(
layer, 'vertex_remove', Mode.VERTEX_REMOVE, 'Remove vertex'
)
self.move_front_button = QtMoveFrontButton(layer)
self.move_back_button = QtMoveBackButton(layer)
self.delete_button = QtDeleteShapeButton(layer)
self.panzoom_button.setChecked(True)
self.button_group = QButtonGroup(self)
self.button_group.addButton(self.select_button)
self.button_group.addButton(self.direct_button)
self.button_group.addButton(self.panzoom_button)
self.button_group.addButton(self.rectangle_button)
self.button_group.addButton(self.ellipse_button)
self.button_group.addButton(self.line_button)
self.button_group.addButton(self.path_button)
self.button_group.addButton(self.polygon_button)
self.button_group.addButton(self.vertex_insert_button)
self.button_group.addButton(self.vertex_remove_button)
button_grid = QGridLayout()
button_grid.addWidget(self.vertex_remove_button, 0, 1)
button_grid.addWidget(self.vertex_insert_button, 0, 2)
button_grid.addWidget(self.delete_button, 0, 3)
button_grid.addWidget(self.direct_button, 0, 4)
button_grid.addWidget(self.select_button, 0, 5)
button_grid.addWidget(self.panzoom_button, 0, 6)
button_grid.addWidget(self.move_back_button, 1, 0)
button_grid.addWidget(self.move_front_button, 1, 1)
button_grid.addWidget(self.ellipse_button, 1, 2)
button_grid.addWidget(self.rectangle_button, 1, 3)
button_grid.addWidget(self.polygon_button, 1, 4)
button_grid.addWidget(self.line_button, 1, 5)
button_grid.addWidget(self.path_button, 1, 6)
button_grid.setColumnStretch(2, 2)
button_grid.setSpacing(4)
# grid_layout created in QtLayerControls
# addWidget(widget, row, column, [row_span, column_span])
self.grid_layout.addLayout(button_grid, 0, 0, 1, 3)
self.grid_layout.addWidget(QLabel('opacity:'), 1, 0)
self.grid_layout.addWidget(self.opacitySilder, 1, 1, 1, 2)
self.grid_layout.addWidget(QLabel('edge width:'), 2, 0)
self.grid_layout.addWidget(self.widthSlider, 2, 1, 1, 2)
self.grid_layout.addWidget(QLabel('blending:'), 3, 0)
self.grid_layout.addWidget(self.blendComboBox, 3, 1, 1, 2)
self.grid_layout.addWidget(QLabel('face color:'), 4, 0)
self.grid_layout.addWidget(self.faceComboBox, 4, 2)
self.grid_layout.addWidget(self.faceColorSwatch, 4, 1)
self.grid_layout.addWidget(QLabel('edge color:'), 5, 0)
self.grid_layout.addWidget(self.edgeComboBox, 5, 2)
self.grid_layout.addWidget(self.edgeColorSwatch, 5, 1)
self.grid_layout.setRowStretch(6, 1)
self.grid_layout.setColumnStretch(1, 1)
self.grid_layout.setSpacing(4)
def __init__(self, layer):
super().__init__(layer)
self.layer.events.colormap.connect(self._on_colormap_change)
self.layer.events.selected_label.connect(self._on_selection_change)
self.layer.events.brush_size.connect(self._on_brush_size_change)
self.layer.events.contiguous.connect(self._on_contig_change)
self.layer.events.n_dimensional.connect(self._on_n_dim_change)
self.colormap_update = QPushButton('click')
self.colormap_update.setObjectName('shuffle')
self.colormap_update.clicked.connect(self.changeColor)
self.colormap_update.setFixedWidth(112)
self.colormap_update.setFixedHeight(25)
shuffle_label = QLabel('shuffle colors:')
shuffle_label.setObjectName('shuffle-label')
row = self.grid_layout.rowCount()
self.grid_layout.addWidget(shuffle_label, row, self.name_column)
self.grid_layout.addWidget(
self.colormap_update, row, self.property_column
)
# selection spinbox
self.selection_spinbox = QSpinBox()
self.selection_spinbox.setSingleStep(1)
self.selection_spinbox.setMinimum(0)
self.selection_spinbox.setMaximum(2147483647)
self.selection_spinbox.setValue(self.layer.selected_label)
self.selection_spinbox.setFixedWidth(75)
self.selection_spinbox.valueChanged.connect(self.changeSelection)
row = self.grid_layout.rowCount()
self.grid_layout.addWidget(QLabel('label:'), row, self.name_column)
self.grid_layout.addWidget(
self.selection_spinbox, row, self.property_column
)
sld = QSlider(Qt.Horizontal, self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setFixedWidth(110)
sld.setMinimum(1)
sld.setMaximum(40)
sld.setSingleStep(1)
value = self.layer.brush_size
if isinstance(value, Iterable):
if isinstance(value, list):
value = np.asarray(value)
value = value[:2].mean()
sld.setValue(int(value))
sld.valueChanged[int].connect(lambda value=sld: self.changeSize(value))
self.brush_size_slider = sld
row = self.grid_layout.rowCount()
self.grid_layout.addWidget(
QLabel('brush size:'), row, self.name_column
)
self.grid_layout.addWidget(sld, row, self.property_column)
contig_cb = QCheckBox()
contig_cb.setToolTip('contiguous editing')
contig_cb.setChecked(self.layer.contiguous)
contig_cb.stateChanged.connect(
lambda state=contig_cb: self.change_contig(state)
)
self.contig_checkbox = contig_cb
row = self.grid_layout.rowCount()
self.grid_layout.addWidget(
QLabel('contiguous:'), row, self.name_column
)
self.grid_layout.addWidget(contig_cb, row, self.property_column)
ndim_cb = QCheckBox()
ndim_cb.setToolTip('n-dimensional editing')
ndim_cb.setChecked(self.layer.n_dimensional)
ndim_cb.stateChanged.connect(
lambda state=ndim_cb: self.change_ndim(state)
)
self.ndim_checkbox = ndim_cb
row = self.grid_layout.rowCount()
self.grid_layout.addWidget(QLabel('n-dim:'), row, self.name_column)
self.grid_layout.addWidget(ndim_cb, row, self.property_column)
self.setExpanded(False)
def __init__(self, layer):
super().__init__(layer)
self.layer.events.mode.connect(self._on_mode_change)
self.layer.events.edge_width.connect(self._on_edge_width_change)
self.layer.events.current_edge_color.connect(
self._on_current_edge_color_change)
self.layer.events.current_face_color.connect(
self._on_current_face_color_change)
self.layer.events.editable.connect(self._on_editable_change)
self.layer.text.events.visible.connect(self._on_text_visibility_change)
sld = QSlider(Qt.Horizontal)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(40)
sld.setSingleStep(1)
value = self.layer.current_edge_width
if isinstance(value, Iterable):
if isinstance(value, list):
value = np.asarray(value)
value = value.mean()
sld.setValue(int(value))
sld.valueChanged.connect(self.changeWidth)
self.widthSlider = sld
self.select_button = QtModeRadioButton(layer,
'select',
Mode.SELECT,
tooltip='Select shapes')
self.direct_button = QtModeRadioButton(layer,
'direct',
Mode.DIRECT,
tooltip='Select vertices')
self.panzoom_button = QtModeRadioButton(layer,
'zoom',
Mode.PAN_ZOOM,
tooltip='Pan/zoom',
checked=True)
self.rectangle_button = QtModeRadioButton(layer,
'rectangle',
Mode.ADD_RECTANGLE,
tooltip='Add rectangles')
self.ellipse_button = QtModeRadioButton(layer,
'ellipse',
Mode.ADD_ELLIPSE,
tooltip='Add ellipses')
self.line_button = QtModeRadioButton(layer,
'line',
Mode.ADD_LINE,
tooltip='Add lines')
self.path_button = QtModeRadioButton(layer,
'path',
Mode.ADD_PATH,
tooltip='Add paths')
self.polygon_button = QtModeRadioButton(layer,
'polygon',
Mode.ADD_POLYGON,
tooltip='Add polygons')
self.vertex_insert_button = QtModeRadioButton(layer,
'vertex_insert',
Mode.VERTEX_INSERT,
tooltip='Insert vertex')
self.vertex_remove_button = QtModeRadioButton(layer,
'vertex_remove',
Mode.VERTEX_REMOVE,
tooltip='Remove vertex')
self.move_front_button = QtModePushButton(
layer,
'move_front',
slot=self.layer.move_to_front,
tooltip='Move to front',
)
self.move_back_button = QtModePushButton(
layer,
'move_back',
slot=self.layer.move_to_back,
tooltip='Move to back',
)
self.delete_button = QtModePushButton(
layer,
'delete_shape',
slot=self.layer.remove_selected,
tooltip='Delete selected shapes',
)
self.button_group = QButtonGroup(self)
self.button_group.addButton(self.select_button)
self.button_group.addButton(self.direct_button)
self.button_group.addButton(self.panzoom_button)
self.button_group.addButton(self.rectangle_button)
self.button_group.addButton(self.ellipse_button)
self.button_group.addButton(self.line_button)
self.button_group.addButton(self.path_button)
self.button_group.addButton(self.polygon_button)
self.button_group.addButton(self.vertex_insert_button)
self.button_group.addButton(self.vertex_remove_button)
button_grid = QGridLayout()
button_grid.addWidget(self.vertex_remove_button, 0, 2)
button_grid.addWidget(self.vertex_insert_button, 0, 3)
button_grid.addWidget(self.delete_button, 0, 4)
button_grid.addWidget(self.direct_button, 0, 5)
button_grid.addWidget(self.select_button, 0, 6)
button_grid.addWidget(self.panzoom_button, 0, 7)
button_grid.addWidget(self.move_back_button, 1, 1)
button_grid.addWidget(self.move_front_button, 1, 2)
button_grid.addWidget(self.ellipse_button, 1, 3)
button_grid.addWidget(self.rectangle_button, 1, 4)
button_grid.addWidget(self.polygon_button, 1, 5)
button_grid.addWidget(self.line_button, 1, 6)
button_grid.addWidget(self.path_button, 1, 7)
button_grid.setContentsMargins(5, 0, 0, 5)
button_grid.setColumnStretch(0, 1)
button_grid.setSpacing(4)
self.faceColorEdit = QColorSwatchEdit(
initial_color=self.layer.current_face_color,
tooltip='click to set current face color',
)
self._on_current_face_color_change()
self.edgeColorEdit = QColorSwatchEdit(
initial_color=self.layer.current_edge_color,
tooltip='click to set current edge color',
)
self._on_current_edge_color_change()
self.faceColorEdit.color_changed.connect(self.changeFaceColor)
self.edgeColorEdit.color_changed.connect(self.changeEdgeColor)
text_disp_cb = QCheckBox()
text_disp_cb.setToolTip('toggle text visibility')
text_disp_cb.setChecked(self.layer.text.visible)
text_disp_cb.stateChanged.connect(self.change_text_visibility)
self.textDispCheckBox = text_disp_cb
# grid_layout created in QtLayerControls
# addWidget(widget, row, column, [row_span, column_span])
self.grid_layout.addLayout(button_grid, 0, 0, 1, 2)
self.grid_layout.addWidget(QLabel('opacity:'), 1, 0)
self.grid_layout.addWidget(self.opacitySlider, 1, 1)
self.grid_layout.addWidget(QLabel('edge width:'), 2, 0)
self.grid_layout.addWidget(self.widthSlider, 2, 1)
self.grid_layout.addWidget(QLabel('blending:'), 3, 0)
self.grid_layout.addWidget(self.blendComboBox, 3, 1)
self.grid_layout.addWidget(QLabel('face color:'), 4, 0)
self.grid_layout.addWidget(self.faceColorEdit, 4, 1)
self.grid_layout.addWidget(QLabel('edge color:'), 5, 0)
self.grid_layout.addWidget(self.edgeColorEdit, 5, 1)
self.grid_layout.addWidget(QLabel('display text:'), 6, 0)
self.grid_layout.addWidget(self.textDispCheckBox, 6, 1)
self.grid_layout.setRowStretch(7, 1)
self.grid_layout.setColumnStretch(1, 1)
self.grid_layout.setSpacing(4)
def create_wwwc_tab(apply_adjust):
Conf = namedtuple("Conf", "min max step default")
ww_conf = Conf(0, 2000, 1, 350)
wc_conf = Conf(-2000, 2000, 1, 50)
tab = QWidget()
tab.layout = QFormLayout()
# BUG: 只有一个负号的时候会变成0，应该保留负号
ww_edit = QLineEdit()
ww_edit.setValidator(QtGui.QIntValidator(ww_conf.min, ww_conf.max))
ww_edit.setFixedWidth(50)
wc_edit = QLineEdit()
wc_edit.setValidator(QtGui.QIntValidator(wc_conf.min, wc_conf.max))
wc_edit.setFixedWidth(50)
ww_slider = QSlider(Qt.Horizontal) # 窗宽滑动条
ww_slider.setMinimum(ww_conf.min)
ww_slider.setMaximum(ww_conf.max)
ww_slider.setSingleStep(ww_conf.step)
ww_slider.setValue(ww_conf.default)
wc_slider = QSlider(Qt.Horizontal) # 窗位滑动条
wc_slider.setMinimum(wc_conf.min)
wc_slider.setMaximum(wc_conf.max)
wc_slider.setSingleStep(wc_conf.step)
wc_slider.setValue(wc_conf.default)
ww_label = QLabel()
ww_label.setText("窗宽: ")
wc_label = QLabel()
wc_label.setText("窗位: ")
ww_combo = QHBoxLayout()
ww_combo.addWidget(ww_edit)
ww_combo.addWidget(ww_slider)
wc_combo = QHBoxLayout()
wc_combo.addWidget(wc_edit)
wc_combo.addWidget(wc_slider)
tab.layout.addRow(ww_label, ww_combo)
tab.layout.addRow(wc_label, wc_combo)
tab.setLayout(tab.layout)
def slider_change(slider, editor):
def func():
editor.setText(str(slider.value()))
apply_adjust(
functools.partial(wwwc, ww_slider.value(), wc_slider.value()))
return func
def edit_changed(editor, slider):
def func():
value = editor.text()
if value == "" or value == "-":
value = 0
value = int(value)
slider.setValue(value)
return func
ww_slider.valueChanged.connect(slider_change(ww_slider, ww_edit))
wc_slider.valueChanged.connect(slider_change(wc_slider, wc_edit))
ww_edit.textChanged.connect(edit_changed(ww_edit, ww_slider))
# wc_edit.textChanged.connect(wc_edit_change)
return tab, "WW/WC"
class PyDMSlider(QFrame, TextFormatter, PyDMWritableWidget):
"""
A QSlider with support for Channels and more from PyDM.
Parameters
----------
parent : QWidget
The parent widget for the Label
init_channel : str, optional
The channel to be used by the widget.
"""
actionTriggered = Signal(int)
rangeChanged = Signal(float, float)
sliderMoved = Signal(float)
sliderPressed = Signal()
sliderReleased = Signal()
valueChanged = Signal(float)
def __init__(self, parent=None, init_channel=None):
QFrame.__init__(self, parent)
PyDMWritableWidget.__init__(self, init_channel=init_channel)
self.alarmSensitiveContent = True
self.alarmSensitiveBorder = False
# Internal values for properties
self._show_limit_labels = True
self._show_value_label = True
self._user_defined_limits = False
self._needs_limit_info = True
self._minimum = None
self._maximum = None
self._user_minimum = -10.0
self._user_maximum = 10.0
self._num_steps = 101
self._orientation = Qt.Horizontal
# Set up all the internal widgets that make up a PyDMSlider.
# We'll add all these things to layouts when we call setup_widgets_for_orientation
label_size_policy = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Fixed)
self.low_lim_label = QLabel(self)
self.low_lim_label.setObjectName("lowLimLabel")
self.low_lim_label.setSizePolicy(label_size_policy)
self.low_lim_label.setAlignment(Qt.AlignLeft | Qt.AlignTrailing | Qt.AlignVCenter)
self.value_label = QLabel(self)
self.value_label.setObjectName("valueLabel")
self.value_label.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
self.high_lim_label = QLabel(self)
self.high_lim_label.setObjectName("highLimLabel")
self.high_lim_label.setSizePolicy(label_size_policy)
self.high_lim_label.setAlignment(Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter)
self._slider = QSlider(parent=self)
self._slider.setOrientation(Qt.Horizontal)
self._slider.sliderMoved.connect(self.internal_slider_moved)
self._slider.sliderPressed.connect(self.internal_slider_pressed)
self._slider.sliderReleased.connect(self.internal_slider_released)
self._slider.valueChanged.connect(self.internal_slider_value_changed)
# self.vertical_layout.addWidget(self._slider)
# Other internal variables and final setup steps
self._slider_position_to_value_map = None
self._mute_internal_slider_changes = False
self.setup_widgets_for_orientation(self._orientation)
self.reset_slider_limits()
def init_for_designer(self):
"""
Method called after the constructor to tweak configurations for
when using the widget with the Qt Designer
"""
self.value = 0.0
@Property(Qt.Orientation)
def orientation(self):
"""
The slider orientation (Horizontal or Vertical)
Returns
-------
int
Qt.Horizontal or Qt.Vertical
"""
return self._orientation
@orientation.setter
def orientation(self, new_orientation):
"""
The slider orientation (Horizontal or Vertical)
Parameters
----------
new_orientation : int
Qt.Horizontal or Qt.Vertical
"""
self._orientation = new_orientation
self.setup_widgets_for_orientation(new_orientation)
def setup_widgets_for_orientation(self, new_orientation):
"""
Reconstruct the widget given the orientation.
Parameters
----------
new_orientation : int
Qt.Horizontal or Qt.Vertical
"""
if new_orientation not in (Qt.Horizontal, Qt.Vertical):
logger.error("Invalid orientation '{0}'. The existing layout will not change.".format(new_orientation))
return
layout = None
if new_orientation == Qt.Horizontal:
layout = QVBoxLayout()
layout.setContentsMargins(4, 0, 4, 4)
label_layout = QHBoxLayout()
label_layout.addWidget(self.low_lim_label)
label_layout.addStretch(0)
label_layout.addWidget(self.value_label)
label_layout.addStretch(0)
label_layout.addWidget(self.high_lim_label)
layout.addLayout(label_layout)
self._slider.setOrientation(new_orientation)
layout.addWidget(self._slider)
elif new_orientation == Qt.Vertical:
layout = QHBoxLayout()
layout.setContentsMargins(0, 4, 4, 4)
label_layout = QVBoxLayout()
label_layout.addWidget(self.high_lim_label)
label_layout.addStretch(0)
label_layout.addWidget(self.value_label)
label_layout.addStretch(0)
label_layout.addWidget(self.low_lim_label)
layout.addLayout(label_layout)
self._slider.setOrientation(new_orientation)
layout.addWidget(self._slider)
if self.layout() is not None:
# Trick to remove the existing layout by re-parenting it in an empty widget.
QWidget().setLayout(self.layout())
self.setLayout(layout)
def update_labels(self):
"""
Update the limits and value labels with the correct values.
"""
def set_label(value, label_widget):
if value is None:
label_widget.setText("")
else:
label_widget.setText(self.format_string.format(value))
set_label(self.minimum, self.low_lim_label)
set_label(self.maximum, self.high_lim_label)
set_label(self.value, self.value_label)
def reset_slider_limits(self):
"""
Reset the limits and adjust the labels properly for the slider.
"""
if self.minimum is None or self.maximum is None:
self._needs_limit_info = True
self.set_enable_state()
return
self._needs_limit_info = False
self._slider.setMinimum(0)
self._slider.setMaximum(self._num_steps - 1)
self._slider.setSingleStep(1)
self._slider.setPageStep(10)
self._slider_position_to_value_map = np.linspace(self.minimum, self.maximum, num=self._num_steps)
self.update_labels()
self.set_slider_to_closest_value(self.value)
self.rangeChanged.emit(self.minimum, self.maximum)
self.set_enable_state()
def find_closest_slider_position_to_value(self, val):
"""
Find and returns the index for the closest position on the slider
for a given value.
Parameters
----------
val : float
Returns
-------
int
"""
diff = abs(self._slider_position_to_value_map - float(val))
return np.argmin(diff)
def set_slider_to_closest_value(self, val):
"""
Set the value for the slider according to a given value.
Parameters
----------
val : float
"""
if val is None or self._needs_limit_info:
return
# When we set the slider to the closest value, it may end up at a slightly
# different position than val (if val is not in self._slider_position_to_value_map)
# We don't want that slight difference to get broacast out and put the channel
# somewhere new. For example, if the slider can only be at 0.4 or 0.5, but a
# new value comes in of 0.45, its more important to keep the 0.45 than to change
# it to where the slider gets set. Therefore, we mute the internal slider changes
# so that its valueChanged signal doesn't cause us to emit a signal to PyDM to change
# the value of the channel.
self._mute_internal_slider_changes = True
self._slider.setValue(self.find_closest_slider_position_to_value(val))
self._mute_internal_slider_changes = False
def value_changed(self, new_val):
"""
Callback invoked when the Channel value is changed.
Parameters
----------
new_val : int or float
The new value from the channel.
"""
PyDMWritableWidget.value_changed(self, new_val)
if hasattr(self, "value_label"):
self.value_label.setText(self.format_string.format(self.value))
if not self._slider.isSliderDown():
self.set_slider_to_closest_value(self.value)
def ctrl_limit_changed(self, which, new_limit):
"""
Callback invoked when the Channel receives new control limit
values.
Parameters
----------
which : str
Which control limit was changed. "UPPER" or "LOWER"
new_limit : float
New value for the control limit
"""
PyDMWritableWidget.ctrl_limit_changed(self, which, new_limit)
if not self.userDefinedLimits:
self.reset_slider_limits()
def update_format_string(self):
"""
Reconstruct the format string to be used when representing the
output value.
Returns
-------
format_string : str
The format string to be used including or not the precision
and unit
"""
fs = super(PyDMSlider, self).update_format_string()
self.update_labels()
return fs
def set_enable_state(self):
"""
Determines wether or not the widget must be enabled or not depending
on the write access, connection state and presence of limits information
"""
# Even though by documentation disabling parent QFrame (self), should disable internal
# slider, in practice it still remains interactive (PyQt 5.12.1). Disabling explicitly, solves
# the problem.
should_enable = self._write_access and self._connected and not self._needs_limit_info
self.setEnabled(should_enable)
self._slider.setEnabled(should_enable)
@Slot(int)
def internal_slider_action_triggered(self, action):
self.actionTriggered.emit(action)
@Slot(int)
def internal_slider_moved(self, val):
"""
Method invoked when the slider is moved.
Parameters
----------
val : float
"""
# Avoid potential crash if limits are undefined
if self._slider_position_to_value_map is None:
return
# The user has moved the slider, we need to update our value.
# Only update the underlying value, not the self.value property,
# because we don't need to reset the slider position. If we change
# self.value, we can get into a loop where the position changes, which
# updates the value, which changes the position again, etc etc.
self.value = self._slider_position_to_value_map[val]
self.sliderMoved.emit(self.value)
@Slot()
def internal_slider_pressed(self):
"""
Method invoked when the slider is pressed
"""
self.sliderPressed.emit()
@Slot()
def internal_slider_released(self):
"""
Method invoked when the slider is released
"""
self.sliderReleased.emit()
@Slot(int)
def internal_slider_value_changed(self, val):
"""
Method invoked when a new value is selected on the slider.
This will cause the new value to be emitted to the signal
unless `mute_internal_slider_changes` is True.
Parameters
----------
val : int
"""
# At this point, our local copy of the value reflects the position of the
# slider, now all we need to do is emit a signal to PyDM so that the data
# plugin will send a put to the channel. Don't update self.value or self._value
# in here, it is pointless at best, and could cause an infinite loop at worst.
if not self._mute_internal_slider_changes:
self.send_value_signal[float].emit(self.value)
@Property(bool)
def showLimitLabels(self):
"""
Whether or not the high and low limits should be displayed on the slider.
Returns
-------
bool
"""
return self._show_limit_labels
@showLimitLabels.setter
def showLimitLabels(self, checked):
"""
Whether or not the high and low limits should be displayed on the slider.
Parameters
----------
checked : bool
"""
self._show_limit_labels = checked
if checked:
self.low_lim_label.show()
self.high_lim_label.show()
else:
self.low_lim_label.hide()
self.high_lim_label.hide()
@Property(bool)
def showValueLabel(self):
"""
Whether or not the current value should be displayed on the slider.
Returns
-------
bool
"""
return self._show_value_label
@showValueLabel.setter
def showValueLabel(self, checked):
"""
Whether or not the current value should be displayed on the slider.
Parameters
----------
checked : bool
"""
self._show_value_label = checked
if checked:
self.value_label.show()
else:
self.value_label.hide()
@Property(QSlider.TickPosition)
def tickPosition(self):
"""
Where to draw tick marks for the slider.
Returns
-------
QSlider.TickPosition
"""
return self._slider.tickPosition()
@tickPosition.setter
def tickPosition(self, position):
"""
Where to draw tick marks for the slider.
Parameter
---------
position : QSlider.TickPosition
"""
self._slider.setTickPosition(position)
@Property(bool)
def userDefinedLimits(self):
"""
Wether or not to use limits defined by the user and not from the
channel
Returns
-------
bool
"""
return self._user_defined_limits
@userDefinedLimits.setter
def userDefinedLimits(self, user_defined_limits):
"""
Wether or not to use limits defined by the user and not from the
channel
Parameters
----------
user_defined_limits : bool
"""
self._user_defined_limits = user_defined_limits
self.reset_slider_limits()
@Property(float)
def userMinimum(self):
"""
Lower user defined limit value
Returns
-------
float
"""
return self._user_minimum
@userMinimum.setter
def userMinimum(self, new_min):
"""
Lower user defined limit value
Parameters
----------
new_min : float
"""
self._user_minimum = float(new_min) if new_min is not None else None
if self.userDefinedLimits:
self.reset_slider_limits()
@Property(float)
def userMaximum(self):
"""
Upper user defined limit value
Returns
-------
float
"""
return self._user_maximum
@userMaximum.setter
def userMaximum(self, new_max):
"""
Upper user defined limit value
Parameters
----------
new_max : float
"""
self._user_maximum = float(new_max) if new_max is not None else None
if self.userDefinedLimits:
self.reset_slider_limits()
@property
def minimum(self):
"""
The current value being used for the lower limit
Returns
-------
float
"""
if self.userDefinedLimits:
return self._user_minimum
return self._lower_ctrl_limit
@property
def maximum(self):
"""
The current value being used for the upper limit
Returns
-------
float
"""
if self.userDefinedLimits:
return self._user_maximum
return self._upper_ctrl_limit
@Property(int)
def num_steps(self):
"""
The number of steps on the slider
Returns
-------
int
"""
return self._num_steps
@num_steps.setter
def num_steps(self, new_steps):
"""
The number of steps on the slider
Parameters
----------
new_steps : int
"""
self._num_steps = int(new_steps)
self.reset_slider_limits()
class Dimension(QWidget):
stateChanged = Signal(int)
valueChanged = Signal()
"""
pass in dimension
state: one of (State.X, State.Y, State.NONE, State.DISBALE)
Can be run independently by:
from mantidqt.widgets.sliceviewer.dimensionwidget import Dimension
from qtpy.QtWidgets import QApplication
app = QApplication([])
window = Dimension({'minimum':-1.1, 'number_of_bins':11, 'width':0.2, 'name':'Dim0', 'units':'A'})
window.show()
app.exec_()
"""
def __init__(self, dim_info, number=0, state=State.NONE, parent=None):
super(Dimension, self).__init__(parent)
self.minimum = dim_info['minimum']
self.nbins = dim_info['number_of_bins']
self.width = dim_info['width']
self.number = number
self.layout = QHBoxLayout(self)
self.name = QLabel(dim_info['name'])
self.units = QLabel(dim_info['units'])
self.x = QPushButton('X')
self.x.setFixedSize(32,32)
self.x.setCheckable(True)
self.x.clicked.connect(self.x_clicked)
self.y = QPushButton('Y')
self.y.setFixedSize(32,32)
self.y.setCheckable(True)
self.y.clicked.connect(self.y_clicked)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.nbins-1)
self.slider.valueChanged.connect(self.slider_changed)
self.spinbox = QDoubleSpinBox()
self.spinbox.setDecimals(3)
self.spinbox.setRange(self.get_bin_center(0), self.get_bin_center(self.nbins-1))
self.spinbox.setSingleStep(self.width)
self.spinbox.valueChanged.connect(self.spinbox_changed)
self.layout.addWidget(self.name)
self.layout.addWidget(self.x)
self.layout.addWidget(self.y)
self.layout.addWidget(self.slider, stretch=1)
self.layout.addStretch(0)
self.layout.addWidget(self.spinbox)
self.layout.addWidget(self.units)
self.set_value(0)
if self.nbins < 2:
state = State.DISABLE
self.set_state(state)
def set_state(self, state):
self.state = state
if self.state == State.X:
self.x.setChecked(True)
self.y.setChecked(False)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.Y:
self.x.setChecked(False)
self.y.setChecked(True)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.NONE:
self.x.setChecked(False)
self.y.setChecked(False)
self.slider.show()
self.spinbox.show()
self.units.show()
else:
self.x.setChecked(False)
self.x.setDisabled(True)
self.y.setChecked(False)
self.y.setDisabled(True)
self.slider.hide()
self.spinbox.show()
self.spinbox.setDisabled(True)
self.units.show()
def get_state(self):
return self.state
def x_clicked(self):
old_state = self.state
self.set_state(State.X)
if self.state != old_state:
self.stateChanged.emit(self.number)
def y_clicked(self):
old_state = self.state
self.set_state(State.Y)
if self.state != old_state:
self.stateChanged.emit(self.number)
def spinbox_changed(self):
self.value = self.spinbox.value()
self.update_slider()
self.valueChanged.emit()
def slider_changed(self):
self.value = self.get_bin_center(self.slider.value())
self.update_spinbox()
self.valueChanged.emit()
def get_bin_center(self, n):
return (n+0.5)*self.width+self.minimum
def update_slider(self):
i = (self.value-self.minimum)/self.width
self.slider.setValue(int(min(max(i, 0), self.nbins-1)))
def update_spinbox(self):
self.spinbox.setValue(self.value)
def set_value(self, value):
self.value = value
self.update_slider()
self.update_spinbox()
def get_value(self):
return self.value
class EditGeometryProperties(PyDialog):
force = True
def __init__(self, data, win_parent=None):
"""
+------------------+
| Edit Actor Props |
+------------------+------+
| Name1 |
| Name2 |
| Name3 |
| Name4 |
| |
| Active_Name main |
| Color box |
| Line_Width 2 |
| Point_Size 2 |
| Bar_Scale 2 |
| Opacity 0.5 |
| Show/Hide |
| |
| Apply OK Cancel |
+-------------------------+
"""
PyDialog.__init__(self, data, win_parent)
self.set_font_size(data['font_size'])
del self.out_data['font_size']
self.setWindowTitle('Edit Geometry Properties')
self.allow_update = True
#default
#self.win_parent = win_parent
#self.out_data = data
self.keys = sorted(data.keys())
self.keys = data.keys()
keys = self.keys
#nrows = len(keys)
self.active_key = 'main'
items = list(keys)
header_labels = ['Groups']
table_model = Model(items, header_labels, self)
view = SingleChoiceQTableView(self) #Call your custom QTableView here
view.setModel(table_model)
#if qt_version == 4:
#view.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
self.table = view
#self.opacity_edit.valueChanged.connect(self.on_opacity)
#mListWidget, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(itemClicked(QListWidgetItem*)));
#self.table.itemClicked.connect(self.table.mouseDoubleClickEvent)
actor_obj = data[self.active_key]
name = actor_obj.name
line_width = actor_obj.line_width
point_size = actor_obj.point_size
bar_scale = actor_obj.bar_scale
opacity = actor_obj.opacity
color = actor_obj.color
show = actor_obj.is_visible
self.representation = actor_obj.representation
# table
header = self.table.horizontalHeader()
header.setStretchLastSection(True)
self._default_is_apply = False
self.name = QLabel("Name:")
self.name_edit = QLineEdit(str(name))
self.name_edit.setDisabled(True)
self.color = QLabel("Color:")
self.color_edit = QPushButton()
#self.color_edit.setFlat(True)
color = self.out_data[self.active_key].color
qcolor = QtGui.QColor()
qcolor.setRgb(*color)
#print('color =%s' % str(color))
palette = QtGui.QPalette(self.color_edit.palette()) # make a copy of the palette
#palette.setColor(QtGui.QPalette.Active, QtGui.QPalette.Base, \
#qcolor)
palette.setColor(QtGui.QPalette.Background, QtGui.QColor('blue')) # ButtonText
self.color_edit.setPalette(palette)
self.color_edit.setStyleSheet("QPushButton {"
"background-color: rgb(%s, %s, %s);" % tuple(color) +
#"border:1px solid rgb(255, 170, 255); "
"}")
self.use_slider = True
self.is_opacity_edit_active = False
self.is_opacity_edit_slider_active = False
self.is_line_width_edit_active = False
self.is_line_width_edit_slider_active = False
self.is_point_size_edit_active = False
self.is_point_size_edit_slider_active = False
self.is_bar_scale_edit_active = False
self.is_bar_scale_edit_slider_active = False
self.opacity = QLabel("Opacity:")
self.opacity_edit = QDoubleSpinBox(self)
self.opacity_edit.setRange(0.1, 1.0)
self.opacity_edit.setDecimals(1)
self.opacity_edit.setSingleStep(0.1)
self.opacity_edit.setValue(opacity)
if self.use_slider:
self.opacity_slider_edit = QSlider(QtCore.Qt.Horizontal)
self.opacity_slider_edit.setRange(1, 10)
self.opacity_slider_edit.setValue(opacity * 10)
self.opacity_slider_edit.setTickInterval(1)
self.opacity_slider_edit.setTickPosition(QSlider.TicksBelow)
self.line_width = QLabel("Line Width:")
self.line_width_edit = QSpinBox(self)
self.line_width_edit.setRange(1, MAX_LINE_WIDTH)
self.line_width_edit.setSingleStep(1)
self.line_width_edit.setValue(line_width)
if self.use_slider:
self.line_width_slider_edit = QSlider(QtCore.Qt.Horizontal)
self.line_width_slider_edit.setRange(1, MAX_LINE_WIDTH)
self.line_width_slider_edit.setValue(line_width)
self.line_width_slider_edit.setTickInterval(1)
self.line_width_slider_edit.setTickPosition(QSlider.TicksBelow)
if self.representation in ['point', 'surface']:
self.line_width.setEnabled(False)
self.line_width_edit.setEnabled(False)
self.line_width_slider_edit.setEnabled(False)
self.point_size = QLabel("Point Size:")
self.point_size_edit = QSpinBox(self)
self.point_size_edit.setRange(1, MAX_POINT_SIZE)
self.point_size_edit.setSingleStep(1)
self.point_size_edit.setValue(point_size)
self.point_size.setVisible(False)
self.point_size_edit.setVisible(False)
if self.use_slider:
self.point_size_slider_edit = QSlider(QtCore.Qt.Horizontal)
self.point_size_slider_edit.setRange(1, MAX_POINT_SIZE)
self.point_size_slider_edit.setValue(point_size)
self.point_size_slider_edit.setTickInterval(1)
self.point_size_slider_edit.setTickPosition(QSlider.TicksBelow)
self.point_size_slider_edit.setVisible(False)
if self.representation in ['wire', 'surface']:
self.point_size.setEnabled(False)
self.point_size_edit.setEnabled(False)
if self.use_slider:
self.point_size_slider_edit.setEnabled(False)
self.bar_scale = QLabel("Bar Scale:")
self.bar_scale_edit = QDoubleSpinBox(self)
#self.bar_scale_edit.setRange(0.01, 1.0) # was 0.1
#self.bar_scale_edit.setRange(0.05, 5.0)
self.bar_scale_edit.setDecimals(1)
#self.bar_scale_edit.setSingleStep(bar_scale / 10.)
self.bar_scale_edit.setSingleStep(0.1)
self.bar_scale_edit.setValue(bar_scale)
#if self.use_slider:
#self.bar_scale_slider_edit = QSlider(QtCore.Qt.Horizontal)
#self.bar_scale_slider_edit.setRange(1, 100) # 1/0.05 = 100/5.0
#self.bar_scale_slider_edit.setValue(opacity * 0.05)
#self.bar_scale_slider_edit.setTickInterval(10)
#self.bar_scale_slider_edit.setTickPosition(QSlider.TicksBelow)
if self.representation != 'bar':
self.bar_scale.setEnabled(False)
self.bar_scale_edit.setEnabled(False)
self.bar_scale.setVisible(False)
self.bar_scale_edit.setVisible(False)
#self.bar_scale_slider_edit.setVisible(False)
#self.bar_scale_slider_edit.setEnabled(False)
# show/hide
self.checkbox_show = QCheckBox("Show")
self.checkbox_hide = QCheckBox("Hide")
self.checkbox_show.setChecked(show)
self.checkbox_hide.setChecked(not show)
if name == 'main':
self.color.setEnabled(False)
self.color_edit.setEnabled(False)
self.point_size.setEnabled(False)
self.point_size_edit.setEnabled(False)
if self.use_slider:
self.point_size_slider_edit.setEnabled(False)
self.cancel_button = QPushButton("Close")
self.create_layout()
self.set_connections()
def on_delete(self, irow):
"""deletes an actor based on the row number"""
if irow == 0: # main
return
nkeys = len(self.keys)
if nkeys in [0, 1]:
return
name = self.keys[irow]
nrows = nkeys - 1
self.keys.pop(irow)
header_labels = ['Groups']
table_model = Model(self.keys, header_labels, self)
self.table.setModel(table_model)
if len(self.keys) == 0:
self.update()
self.set_as_null()
return
if irow == nrows:
irow -= 1
new_name = self.keys[irow]
self.update_active_name(new_name)
if self.is_gui:
self.win_parent.delete_actor(name)
def set_as_null(self):
"""sets the null case"""
self.name.setVisible(False)
self.name_edit.setVisible(False)
self.color.setVisible(False)
self.color_edit.setVisible(False)
self.line_width.setVisible(False)
self.line_width_edit.setVisible(False)
self.point_size.setVisible(False)
self.point_size_edit.setVisible(False)
self.bar_scale.setVisible(False)
self.bar_scale_edit.setVisible(False)
self.opacity.setVisible(False)
self.opacity_edit.setVisible(False)
self.opacity_slider_edit.setVisible(False)
self.point_size_slider_edit.setVisible(False)
self.line_width_slider_edit.setVisible(False)
self.checkbox_show.setVisible(False)
self.checkbox_hide.setVisible(False)
def on_update_geometry_properties_window(self, data):
"""Not Implemented"""
return
#new_keys = sorted(data.keys())
#if self.active_key in new_keys:
#i = new_keys.index(self.active_key)
#else:
#i = 0
#self.table.update_data(new_keys)
#self.out_data = data
#self.update_active_key(i)
def update_active_key(self, index):
"""
Parameters
----------
index : PyQt4.QtCore.QModelIndex
the index of the list
Internal Parameters
-------------------
name : str
the name of obj
obj : CoordProperties, AltGeometry
the storage object for things like line_width, point_size, etc.
"""
name = str(index.data())
#print('name = %r' % name)
#i = self.keys.index(self.active_key)
self.update_active_name(name)
def update_active_name(self, name):
self.active_key = name
self.name_edit.setText(name)
obj = self.out_data[name]
if isinstance(obj, CoordProperties):
opacity = 1.0
representation = 'coord'
is_visible = obj.is_visible
elif isinstance(obj, AltGeometry):
line_width = obj.line_width
point_size = obj.point_size
bar_scale = obj.bar_scale
opacity = obj.opacity
representation = obj.representation
is_visible = obj.is_visible
self.color_edit.setStyleSheet("QPushButton {"
"background-color: rgb(%s, %s, %s);" % tuple(obj.color) +
#"border:1px solid rgb(255, 170, 255); "
"}")
self.allow_update = False
self.force = False
self.line_width_edit.setValue(line_width)
self.point_size_edit.setValue(point_size)
self.bar_scale_edit.setValue(bar_scale)
self.force = True
self.allow_update = True
else:
raise NotImplementedError(obj)
#allowed_representations = [
#'main', 'surface', 'coord', 'toggle', 'wire', 'point', 'bar']
if self.representation != representation:
self.representation = representation
#if representation not in allowed_representations:
#msg = 'name=%r; representation=%r is invalid\nrepresentations=%r' % (
#name, representation, allowed_representations)
if self.representation == 'coord':
self.color.setVisible(False)
self.color_edit.setVisible(False)
self.line_width.setVisible(False)
self.line_width_edit.setVisible(False)
self.point_size.setVisible(False)
self.point_size_edit.setVisible(False)
self.bar_scale.setVisible(False)
self.bar_scale_edit.setVisible(False)
self.opacity.setVisible(False)
self.opacity_edit.setVisible(False)
if self.use_slider:
self.opacity_slider_edit.setVisible(False)
self.point_size_slider_edit.setVisible(False)
self.line_width_slider_edit.setVisible(False)
#self.bar_scale_slider_edit.setVisible(False)
else:
self.color.setVisible(True)
self.color_edit.setVisible(True)
self.line_width.setVisible(True)
self.line_width_edit.setVisible(True)
self.point_size.setVisible(True)
self.point_size_edit.setVisible(True)
self.bar_scale.setVisible(True)
#self.bar_scale_edit.setVisible(True)
self.opacity.setVisible(True)
self.opacity_edit.setVisible(True)
if self.use_slider:
self.opacity_slider_edit.setVisible(True)
self.line_width_slider_edit.setVisible(True)
self.point_size_slider_edit.setVisible(True)
#self.bar_scale_slider_edit.setVisible(True)
if name == 'main':
self.color.setEnabled(False)
self.color_edit.setEnabled(False)
self.point_size.setEnabled(False)
self.point_size_edit.setEnabled(False)
self.line_width.setEnabled(True)
self.line_width_edit.setEnabled(True)
self.bar_scale.setEnabled(False)
self.bar_scale_edit.setEnabled(False)
show_points = False
show_line_width = True
show_bar_scale = False
if self.use_slider:
self.line_width_slider_edit.setEnabled(True)
#self.bar_scale_slider_edit.setVisible(False)
else:
self.color.setEnabled(True)
self.color_edit.setEnabled(True)
show_points = False
if self.representation in ['point', 'wire+point']:
show_points = True
show_line_width = False
if self.representation in ['wire', 'wire+point', 'bar', 'toggle']:
show_line_width = True
if representation == 'bar':
show_bar_scale = True
else:
show_bar_scale = False
#self.bar_scale_button.setVisible(show_bar_scale)
#self.bar_scale_edit.setSingleStep(bar_scale / 10.)
#if self.use_slider:
#self.bar_scale_slider_edit.setEnabled(False)
self.point_size.setEnabled(show_points)
self.point_size_edit.setEnabled(show_points)
self.point_size.setVisible(show_points)
self.point_size_edit.setVisible(show_points)
self.line_width.setEnabled(show_line_width)
self.line_width_edit.setEnabled(show_line_width)
self.bar_scale.setEnabled(show_bar_scale)
self.bar_scale_edit.setEnabled(show_bar_scale)
self.bar_scale.setVisible(show_bar_scale)
self.bar_scale_edit.setVisible(show_bar_scale)
if self.use_slider:
self.point_size_slider_edit.setEnabled(show_points)
self.point_size_slider_edit.setVisible(show_points)
self.line_width_slider_edit.setEnabled(show_line_width)
#if self.representation in ['wire', 'surface']:
self.opacity_edit.setValue(opacity)
#if self.use_slider:
#self.opacity_slider_edit.setValue(opacity*10)
self.checkbox_show.setChecked(is_visible)
self.checkbox_hide.setChecked(not is_visible)
passed = self.on_validate()
#self.on_apply(force=True) # TODO: was turned on...do I want this???
#self.allow_update = True
def create_layout(self):
ok_cancel_box = QHBoxLayout()
ok_cancel_box.addWidget(self.cancel_button)
grid = QGridLayout()
irow = 0
grid.addWidget(self.name, irow, 0)
grid.addWidget(self.name_edit, irow, 1)
irow += 1
grid.addWidget(self.color, irow, 0)
grid.addWidget(self.color_edit, irow, 1)
irow += 1
grid.addWidget(self.opacity, irow, 0)
if self.use_slider:
grid.addWidget(self.opacity_edit, irow, 2)
grid.addWidget(self.opacity_slider_edit, irow, 1)
else:
grid.addWidget(self.opacity_edit, irow, 1)
irow += 1
grid.addWidget(self.line_width, irow, 0)
if self.use_slider:
grid.addWidget(self.line_width_edit, irow, 2)
grid.addWidget(self.line_width_slider_edit, irow, 1)
else:
grid.addWidget(self.line_width_edit, irow, 1)
irow += 1
grid.addWidget(self.point_size, irow, 0)
if self.use_slider:
grid.addWidget(self.point_size_edit, irow, 2)
grid.addWidget(self.point_size_slider_edit, irow, 1)
else:
grid.addWidget(self.point_size_edit, irow, 1)
irow += 1
grid.addWidget(self.bar_scale, irow, 0)
if self.use_slider and 0:
grid.addWidget(self.bar_scale_edit, irow, 2)
grid.addWidget(self.bar_scale_slider_edit, irow, 1)
else:
grid.addWidget(self.bar_scale_edit, irow, 1)
irow += 1
checkboxs = QButtonGroup(self)
checkboxs.addButton(self.checkbox_show)
checkboxs.addButton(self.checkbox_hide)
vbox = QVBoxLayout()
vbox.addWidget(self.table, stretch=1)
vbox.addLayout(grid)
vbox1 = QVBoxLayout()
vbox1.addWidget(self.checkbox_show)
vbox1.addWidget(self.checkbox_hide)
vbox.addLayout(vbox1)
vbox.addStretch()
#vbox.addWidget(self.check_apply)
vbox.addLayout(ok_cancel_box)
self.setLayout(vbox)
def set_connections(self):
self.opacity_edit.valueChanged.connect(self.on_opacity)
self.line_width_edit.valueChanged.connect(self.on_line_width)
self.point_size_edit.valueChanged.connect(self.on_point_size)
self.bar_scale_edit.valueChanged.connect(self.on_bar_scale)
if self.use_slider:
self.opacity_slider_edit.valueChanged.connect(self.on_opacity_slider)
self.line_width_slider_edit.valueChanged.connect(self.on_line_width_slider)
self.point_size_slider_edit.valueChanged.connect(self.on_point_size_slider)
#self.bar_scale_slider_edit.valueChanged.connect(self.on_bar_scale_slider)
# self.connect(self.opacity_edit, QtCore.SIGNAL('clicked()'), self.on_opacity)
# self.connect(self.line_width, QtCore.SIGNAL('clicked()'), self.on_line_width)
# self.connect(self.point_size, QtCore.SIGNAL('clicked()'), self.on_point_size)
if qt_version == 4:
self.connect(self, QtCore.SIGNAL('triggered()'), self.closeEvent)
self.color_edit.clicked.connect(self.on_color)
self.checkbox_show.clicked.connect(self.on_show)
self.checkbox_hide.clicked.connect(self.on_hide)
self.cancel_button.clicked.connect(self.on_cancel)
# closeEvent
def keyPressEvent(self, event):
if event.key() == QtCore.Qt.Key_Escape:
self.close()
def closeEvent(self, event):
self.on_cancel()
def on_color(self):
"""called when the user clicks on the color box"""
name = self.active_key
obj = self.out_data[name]
rgb_color_ints = obj.color
msg = name
col = QColorDialog.getColor(QtGui.QColor(*rgb_color_ints), self, "Choose a %s color" % msg)
if col.isValid():
color_float = col.getRgbF()[:3]
obj.color = color_float
color_int = [int(colori * 255) for colori in color_float]
self.color_edit.setStyleSheet("QPushButton {"
"background-color: rgb(%s, %s, %s);" % tuple(color_int) +
#"border:1px solid rgb(255, 170, 255); "
"}")
self.on_apply(force=self.force)
#print(self.allow_update)
def on_show(self):
"""shows the actor"""
name = self.active_key
is_checked = self.checkbox_show.isChecked()
self.out_data[name].is_visible = is_checked
self.on_apply(force=self.force)
def on_hide(self):
"""hides the actor"""
name = self.active_key
is_checked = self.checkbox_hide.isChecked()
self.out_data[name].is_visible = not is_checked
self.on_apply(force=self.force)
def on_line_width(self):
"""increases/decreases the wireframe (for solid bodies) or the bar thickness"""
self.is_line_width_edit_active = True
name = self.active_key
line_width = self.line_width_edit.value()
self.out_data[name].line_width = line_width
if not self.is_line_width_edit_slider_active:
if self.use_slider:
self.line_width_slider_edit.setValue(line_width)
self.is_line_width_edit_active = False
self.on_apply(force=self.force)
self.is_line_width_edit_active = False
def on_line_width_slider(self):
"""increases/decreases the wireframe (for solid bodies) or the bar thickness"""
self.is_line_width_edit_slider_active = True
#name = self.active_key
line_width = self.line_width_slider_edit.value()
if not self.is_line_width_edit_active:
self.line_width_edit.setValue(line_width)
self.is_line_width_edit_slider_active = False
def on_point_size(self):
"""increases/decreases the point size"""
self.is_point_size_edit_active = True
name = self.active_key
point_size = self.point_size_edit.value()
self.out_data[name].point_size = point_size
if not self.is_point_size_edit_slider_active:
if self.use_slider:
self.point_size_slider_edit.setValue(point_size)
self.is_point_size_edit_active = False
self.on_apply(force=self.force)
self.is_point_size_edit_active = False
def on_point_size_slider(self):
"""increases/decreases the point size"""
self.is_point_size_edit_slider_active = True
#name = self.active_key
point_size = self.point_size_slider_edit.value()
if not self.is_point_size_edit_active:
self.point_size_edit.setValue(point_size)
self.is_point_size_edit_slider_active = False
def on_bar_scale(self):
"""
Vectors start at some xyz coordinate and can increase in length.
Increases/decreases the length scale factor.
"""
self.is_bar_scale_edit_active = True
name = self.active_key
float_bar_scale = self.bar_scale_edit.value()
self.out_data[name].bar_scale = float_bar_scale
if not self.is_bar_scale_edit_slider_active:
#int_bar_scale = int(round(float_bar_scale * 20, 0))
#if self.use_slider:
#self.bar_scale_slider_edit.setValue(int_bar_scale)
self.is_bar_scale_edit_active = False
self.on_apply(force=self.force)
self.is_bar_scale_edit_active = False
def on_bar_scale_slider(self):
"""
Vectors start at some xyz coordinate and can increase in length.
Increases/decreases the length scale factor.
"""
self.is_bar_scale_edit_slider_active = True
#name = self.active_key
int_bar_scale = self.bar_scale_slider_edit.value()
if not self.is_bar_scale_edit_active:
float_bar_scale = int_bar_scale / 20.
self.bar_scale_edit.setValue(float_bar_scale)
self.is_bar_scale_edit_slider_active = False
def on_opacity(self):
"""
opacity = 1.0 (solid/opaque)
opacity = 0.0 (invisible)
"""
self.is_opacity_edit_active = True
name = self.active_key
float_opacity = self.opacity_edit.value()
self.out_data[name].opacity = float_opacity
if not self.is_opacity_edit_slider_active:
int_opacity = int(round(float_opacity * 10, 0))
if self.use_slider:
self.opacity_slider_edit.setValue(int_opacity)
self.is_opacity_edit_active = False
self.on_apply(force=self.force)
self.is_opacity_edit_active = False
def on_opacity_slider(self):
"""
opacity = 1.0 (solid/opaque)
opacity = 0.0 (invisible)
"""
self.is_opacity_edit_slider_active = True
#name = self.active_key
int_opacity = self.opacity_slider_edit.value()
if not self.is_opacity_edit_active:
float_opacity = int_opacity / 10.
self.opacity_edit.setValue(float_opacity)
self.is_opacity_edit_slider_active = False
def on_validate(self):
self.out_data['clicked_ok'] = True
self.out_data['clicked_cancel'] = False
old_obj = self.out_data[self.active_key]
old_obj.line_width = self.line_width_edit.value()
old_obj.point_size = self.point_size_edit.value()
old_obj.bar_scale = self.bar_scale_edit.value()
old_obj.opacity = self.opacity_edit.value()
#old_obj.color = self.color_edit
old_obj.is_visible = self.checkbox_show.isChecked()
return True
#name_value, flag0 = self.check_name(self.name_edit)
#ox_value, flag1 = self.check_float(self.transparency_edit)
#if flag0 and flag1:
#self.out_data['clicked_ok'] = True
#return True
#return False
@property
def is_gui(self):
return hasattr(self.win_parent, 'on_update_geometry_properties')
def on_apply(self, force=False):
passed = self.on_validate()
#print("passed=%s force=%s allow=%s" % (passed, force, self.allow_update))
if (passed or force) and self.allow_update and self.is_gui:
#print('obj = %s' % self.out_data[self.active_key])
self.win_parent.on_update_geometry_properties(self.out_data, name=self.active_key)
return passed
def on_cancel(self):
passed = self.on_apply(force=True)
if passed:
self.close()
class MiscellaneousLauncher(QWidget):
def __init__(self, parent):
super().__init__()
# set title
self.setWindowTitle(config.thisTranslation["cp4"])
# set up variables
self.parent = parent
# setup interface
self.setupUI()
def setupUI(self):
mainLayout = QGridLayout()
leftLayout = QVBoxLayout()
rightLayout = QVBoxLayout()
self.highLightLauncher = HighlightLauncher(self)
leftLayout.addWidget(self.highLightLauncher)
rightLayout.addWidget(self.noteEditor())
rightLayout.addWidget(self.textToSpeechUtility())
rightLayout.addWidget(self.utilities())
rightLayout.addStretch()
mainLayout.addLayout(leftLayout, 0, 0, 1, 2)
mainLayout.addLayout(rightLayout, 0, 2, 1, 1)
self.setLayout(mainLayout)
def noteEditor(self):
box = QGroupBox(config.thisTranslation["note_editor"])
subLayout = QHBoxLayout()
button = QPushButton(config.thisTranslation["menu7_create"])
button.setToolTip(config.thisTranslation["menu7_create"])
button.clicked.connect(self.parent.parent.createNewNoteFile)
subLayout.addWidget(button)
button = QPushButton(config.thisTranslation["menu7_open"])
button.setToolTip(config.thisTranslation["menu7_open"])
button.clicked.connect(self.parent.parent.openTextFileDialog)
subLayout.addWidget(button)
box.setLayout(subLayout)
return box
def utilities(self):
box = QGroupBox(config.thisTranslation["utilities"])
subLayout = QHBoxLayout()
button = QPushButton(config.thisTranslation["presentation"])
button.setToolTip(config.thisTranslation["presentation"])
button.clicked.connect(
lambda: self.parent.parent.runPlugin("Presentation"))
subLayout.addWidget(button)
if config.isYoutubeDownloaderInstalled:
button = QPushButton(config.thisTranslation["youtube_utility"])
button.setToolTip(config.thisTranslation["youtube_utility"])
button.clicked.connect(self.parent.parent.openYouTube)
subLayout.addWidget(button)
box.setLayout(subLayout)
return box
def textToSpeechUtility(self):
box = QGroupBox(config.thisTranslation["tts_utility"])
layout = QVBoxLayout()
subLayout = QHBoxLayout()
self.ttsEdit = QLineEdit()
self.ttsEdit.setClearButtonEnabled(True)
self.ttsEdit.setToolTip(config.thisTranslation["enter_text_here"])
self.ttsEdit.returnPressed.connect(self.speakText)
subLayout.addWidget(self.ttsEdit)
layout.addLayout(subLayout)
self.ttsSlider = QSlider(Qt.Horizontal)
self.ttsSlider.setToolTip(config.thisTranslation["adjustSpeed"])
self.ttsSlider.setMinimum(10)
self.ttsSlider.setMaximum(310)
self.ttsSlider.setValue(config.espeakSpeed if config.espeak else (
160 + config.qttsSpeed * 150))
self.ttsSlider.valueChanged.connect(
self.changeEspeakSpeed if config.espeak else self.changeQttsSpeed)
layout.addWidget(self.ttsSlider)
subLayout = QHBoxLayout()
self.languageCombo = QComboBox()
subLayout.addWidget(self.languageCombo)
if config.espeak:
languages = TtsLanguages().isoLang2epeakLang
else:
languages = TtsLanguages().isoLang2qlocaleLang
self.languageCodes = list(languages.keys())
for code in self.languageCodes:
self.languageCombo.addItem(languages[code][1])
# Check if selected tts engine has the language user specify.
if not (config.ttsDefaultLangauge in self.languageCodes):
config.ttsDefaultLangauge = "en"
# Set initial index
# It is essential. Otherwise, default tts language is changed by defaultTtsLanguageChanged method.
ttsLanguageIndex = self.languageCodes.index(config.ttsDefaultLangauge)
self.languageCombo.setCurrentIndex(ttsLanguageIndex)
# Change default tts language as users select a new language
self.languageCombo.currentIndexChanged.connect(
self.defaultTtsLanguageChanged)
button = QPushButton(config.thisTranslation["speak"])
button.setToolTip(config.thisTranslation["speak"])
button.clicked.connect(self.speakText)
subLayout.addWidget(button)
button = QPushButton(config.thisTranslation["stop"])
button.setToolTip(config.thisTranslation["stop"])
button.clicked.connect(
self.parent.parent.textCommandParser.stopTtsAudio)
subLayout.addWidget(button)
layout.addLayout(subLayout)
box.setLayout(layout)
return box
def defaultTtsLanguageChanged(self, index):
config.ttsDefaultLangauge = self.languageCodes[index]
def speakText(self):
text = self.ttsEdit.text()
if text:
if config.isTtsInstalled:
if ":::" in text:
text = text.split(":::")[-1]
command = "SPEAK:::{0}:::{1}".format(
self.languageCodes[self.languageCombo.currentIndex()],
text)
self.parent.isRefreshing = True
self.parent.runTextCommand(command)
self.parent.isRefreshing = False
else:
self.parent.displayMessage(
config.thisTranslation["message_noSupport"])
else:
self.parent.displayMessage(
config.thisTranslation["enterTextFirst"])
def changeQttsSpeed(self, value):
config.qttsSpeed = (value * (1.5 / 300) - .5)
def changeEspeakSpeed(self, value):
config.espeakSpeed = value
def refresh(self):
ttsLanguageIndex = self.languageCodes.index(config.ttsDefaultLangauge)
self.languageCombo.setCurrentIndex(ttsLanguageIndex)
self.highLightLauncher.refresh()
def __init__(self, layer):
super().__init__(layer)
self.layer.events.n_dimensional.connect(self._on_n_dim_change)
self.layer.events.symbol.connect(self._on_symbol_change)
self.layer.events.size.connect(self._on_size_change)
self.layer.events.edge_color.connect(self._on_edge_color_change)
self.layer.events.face_color.connect(self._on_face_color_change)
sld = QSlider(Qt.Horizontal, self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setFixedWidth(110)
sld.setMinimum(0)
sld.setMaximum(100)
sld.setSingleStep(1)
value = self.layer.size
if isinstance(value, Iterable):
if isinstance(value, list):
value = np.asarray(value)
value = value.mean()
sld.setValue(int(value))
sld.valueChanged[int].connect(lambda value=sld: self.changeSize(value))
self.sizeSlider = sld
self.grid_layout.addWidget(QLabel('size:'), 3, 0)
self.grid_layout.addWidget(sld, 3, 1)
face_comboBox = QComboBox()
colors = self.layer._colors
for c in colors:
face_comboBox.addItem(c)
index = face_comboBox.findText(self.layer.face_color,
Qt.MatchFixedString)
face_comboBox.setCurrentIndex(index)
face_comboBox.activated[str].connect(
lambda text=face_comboBox: self.changeFaceColor(text))
self.faceComboBox = face_comboBox
self.grid_layout.addWidget(QLabel('face_color:'), 4, 0)
self.grid_layout.addWidget(face_comboBox, 4, 1)
edge_comboBox = QComboBox()
colors = self.layer._colors
for c in colors:
edge_comboBox.addItem(c)
index = edge_comboBox.findText(self.layer.edge_color,
Qt.MatchFixedString)
edge_comboBox.setCurrentIndex(index)
edge_comboBox.activated[str].connect(
lambda text=edge_comboBox: self.changeEdgeColor(text))
self.edgeComboBox = edge_comboBox
self.grid_layout.addWidget(QLabel('edge_color:'), 5, 0)
self.grid_layout.addWidget(edge_comboBox, 5, 1)
symbol_comboBox = QComboBox()
for s in Symbol:
symbol_comboBox.addItem(str(s))
index = symbol_comboBox.findText(self.layer.symbol,
Qt.MatchFixedString)
symbol_comboBox.setCurrentIndex(index)
symbol_comboBox.activated[str].connect(
lambda text=symbol_comboBox: self.changeSymbol(text))
self.symbolComboBox = symbol_comboBox
self.grid_layout.addWidget(QLabel('symbol:'), 6, 0)
self.grid_layout.addWidget(symbol_comboBox, 6, 1)
ndim_cb = QCheckBox()
ndim_cb.setToolTip('N-dimensional markers')
ndim_cb.setChecked(self.layer.n_dimensional)
ndim_cb.stateChanged.connect(
lambda state=ndim_cb: self.change_ndim(state))
self.ndimCheckBox = ndim_cb
self.grid_layout.addWidget(QLabel('n-dim:'), 7, 0)
self.grid_layout.addWidget(ndim_cb, 7, 1)
self.setExpanded(False)
def __init__(self, layer):
super().__init__(layer)
self.layer.events.mode.connect(self._on_mode_change)
self.layer.events.n_dimensional.connect(self._on_n_dimensional_change)
self.layer.events.symbol.connect(self._on_symbol_change)
self.layer.events.size.connect(self._on_size_change)
self.layer.events.current_edge_color.connect(
self._on_current_edge_color_change)
self.layer.events.current_face_color.connect(
self._on_current_face_color_change)
self.layer.events.editable.connect(self._on_editable_change)
self.layer.text.events.visible.connect(self._on_text_visibility_change)
sld = QSlider(Qt.Horizontal)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(1)
sld.setMaximum(100)
sld.setSingleStep(1)
value = self.layer.current_size
sld.setValue(int(value))
sld.valueChanged.connect(self.changeSize)
self.sizeSlider = sld
self.faceColorEdit = QColorSwatchEdit(
initial_color=self.layer.current_face_color,
tooltip='click to set current face color',
)
self.edgeColorEdit = QColorSwatchEdit(
initial_color=self.layer.current_edge_color,
tooltip='click to set current edge color',
)
self.faceColorEdit.color_changed.connect(self.changeFaceColor)
self.edgeColorEdit.color_changed.connect(self.changeEdgeColor)
symbol_comboBox = QComboBox()
symbol_comboBox.addItems([str(s) for s in Symbol])
index = symbol_comboBox.findText(self.layer.symbol,
Qt.MatchFixedString)
symbol_comboBox.setCurrentIndex(index)
symbol_comboBox.activated[str].connect(self.changeSymbol)
self.symbolComboBox = symbol_comboBox
ndim_cb = QCheckBox()
ndim_cb.setToolTip('N-dimensional points')
ndim_cb.setChecked(self.layer.n_dimensional)
ndim_cb.stateChanged.connect(self.change_ndim)
self.ndimCheckBox = ndim_cb
self.select_button = QtModeRadioButton(layer,
'select_points',
Mode.SELECT,
tooltip='Select points')
self.addition_button = QtModeRadioButton(layer,
'add_points',
Mode.ADD,
tooltip='Add points')
self.panzoom_button = QtModeRadioButton(layer,
'pan_zoom',
Mode.PAN_ZOOM,
tooltip='Pan/zoom',
checked=True)
self.delete_button = QtModePushButton(
layer,
'delete_shape',
slot=self.layer.remove_selected,
tooltip='Delete selected points',
)
text_disp_cb = QCheckBox()
text_disp_cb.setToolTip('toggle text visibility')
text_disp_cb.setChecked(self.layer.text.visible)
text_disp_cb.stateChanged.connect(self.change_text_visibility)
self.textDispCheckBox = text_disp_cb
self.button_group = QButtonGroup(self)
self.button_group.addButton(self.select_button)
self.button_group.addButton(self.addition_button)
self.button_group.addButton(self.panzoom_button)
button_row = QHBoxLayout()
button_row.addStretch(1)
button_row.addWidget(self.delete_button)
button_row.addWidget(self.addition_button)
button_row.addWidget(self.select_button)
button_row.addWidget(self.panzoom_button)
button_row.setContentsMargins(0, 0, 0, 5)
button_row.setSpacing(4)
# grid_layout created in QtLayerControls
# addWidget(widget, row, column, [row_span, column_span])
self.grid_layout.addLayout(button_row, 0, 1)
self.grid_layout.addWidget(QLabel('opacity:'), 1, 0)
self.grid_layout.addWidget(self.opacitySlider, 1, 1)
self.grid_layout.addWidget(QLabel('point size:'), 2, 0)
self.grid_layout.addWidget(self.sizeSlider, 2, 1)
self.grid_layout.addWidget(QLabel('blending:'), 3, 0)
self.grid_layout.addWidget(self.blendComboBox, 3, 1)
self.grid_layout.addWidget(QLabel('symbol:'), 4, 0)
self.grid_layout.addWidget(self.symbolComboBox, 4, 1)
self.grid_layout.addWidget(QLabel('face color:'), 5, 0)
self.grid_layout.addWidget(self.faceColorEdit, 5, 1)
self.grid_layout.addWidget(QLabel('edge color:'), 6, 0)
self.grid_layout.addWidget(self.edgeColorEdit, 6, 1)
self.grid_layout.addWidget(QLabel('display text:'), 7, 0)
self.grid_layout.addWidget(self.textDispCheckBox, 7, 1)
self.grid_layout.addWidget(QLabel('n-dim:'), 8, 0)
self.grid_layout.addWidget(self.ndimCheckBox, 8, 1)
self.grid_layout.setRowStretch(9, 1)
self.grid_layout.setColumnStretch(1, 1)
self.grid_layout.setSpacing(4)
class Dimension(QWidget):
stateChanged = Signal(int)
valueChanged = Signal()
"""
pass in dimension
state: one of (State.X, State.Y, State.NONE, State.DISABLE)
Can be run independently by:
from mantidqt.widgets.sliceviewer.dimensionwidget import Dimension
from qtpy.QtWidgets import QApplication
app = QApplication([])
window = Dimension({'minimum':-1.1, 'number_of_bins':11, 'width':0.2, 'name':'Dim0', 'units':'A'})
window.show()
app.exec_()
"""
def __init__(self, dim_info, number=0, state=State.NONE, parent=None):
super().__init__(parent)
self.minimum = dim_info['minimum']
self.nbins = dim_info['number_of_bins']
self.width = dim_info['width']
self.number = number
self.layout = QHBoxLayout(self)
self.name = QLabel(dim_info['name'])
self.units = QLabel(dim_info['units'])
self.x = QPushButton('X')
self.x.setFixedSize(32, 32)
self.x.setCheckable(True)
self.x.clicked.connect(self.x_clicked)
self.y = QPushButton('Y')
self.y.setFixedSize(32, 32)
self.y.setCheckable(True)
self.y.clicked.connect(self.y_clicked)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.nbins - 1)
self.slider.valueChanged.connect(self.slider_changed)
self.spinbox = QDoubleSpinBox()
self.spinbox.setDecimals(3)
self.spinbox.setRange(self.get_bin_center(0),
self.get_bin_center(self.nbins - 1))
self.spinbox.setSingleStep(self.width)
self.spinbox.editingFinished.connect(self.spinbox_changed)
self.layout.addWidget(self.name)
self.layout.addWidget(self.x)
self.layout.addWidget(self.y)
self.layout.addWidget(self.slider, stretch=1)
self.layout.addStretch(0)
self.layout.addWidget(self.spinbox)
self.layout.addWidget(self.units)
self.set_value(0)
if self.nbins < 2:
state = State.DISABLE
self.set_state(state)
def set_state(self, state):
self.state = state
if self.state == State.X:
self.x.setChecked(True)
self.y.setChecked(False)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.Y:
self.x.setChecked(False)
self.y.setChecked(True)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.NONE:
self.x.setChecked(False)
self.y.setChecked(False)
self.slider.show()
self.spinbox.show()
self.units.show()
else:
self.x.setChecked(False)
self.x.setDisabled(True)
self.y.setChecked(False)
self.y.setDisabled(True)
self.slider.hide()
self.spinbox.show()
self.spinbox.setDisabled(True)
self.units.show()
def get_state(self):
return self.state
def x_clicked(self):
old_state = self.state
self.set_state(State.X)
if self.state != old_state:
self.stateChanged.emit(self.number)
def y_clicked(self):
old_state = self.state
self.set_state(State.Y)
if self.state != old_state:
self.stateChanged.emit(self.number)
def spinbox_changed(self):
self.value = self.spinbox.value()
self.update_slider()
def slider_changed(self):
self.value = self.get_bin_center(self.slider.value())
self.update_spinbox()
self.valueChanged.emit()
def get_bin_center(self, n):
return (n + 0.5) * self.width + self.minimum
def update_slider(self):
i = (self.value - self.minimum) / self.width
self.slider.setValue(int(min(max(i, 0), self.nbins - 1)))
def update_spinbox(self):
self.spinbox.setValue(self.value)
def set_value(self, value):
self.value = value
self.update_slider()
self.update_spinbox()
def get_value(self):
return self.value
class QtTracksControls(QtLayerControls):
"""Qt view and controls for the Tracks layer.
Parameters
----------
layer : napari.layers.Tracks
An instance of a Tracks layer.
Attributes
----------
grid_layout : qtpy.QtWidgets.QGridLayout
Layout of Qt widget controls for the layer.
layer : layers.Tracks
An instance of a Tracks layer.
"""
layer: 'napari.layers.Tracks'
def __init__(self, layer):
super().__init__(layer)
# NOTE(arl): there are no events fired for changing checkboxes
self.layer.events.tail_width.connect(self._on_tail_width_change)
self.layer.events.tail_length.connect(self._on_tail_length_change)
self.layer.events.head_length.connect(self._on_head_length_change)
self.layer.events.properties.connect(self._on_properties_change)
self.layer.events.colormap.connect(self._on_colormap_change)
self.layer.events.color_by.connect(self._on_color_by_change)
# combo box for track coloring, we can get these from the properties
# keys
self.color_by_combobox = QComboBox()
self.color_by_combobox.addItems(self.layer.properties_to_color_by)
self.colormap_combobox = QComboBox()
for name, colormap in AVAILABLE_COLORMAPS.items():
display_name = colormap._display_name
self.colormap_combobox.addItem(display_name, name)
# slider for track head length
self.head_length_slider = QSlider(Qt.Horizontal)
self.head_length_slider.setFocusPolicy(Qt.NoFocus)
self.head_length_slider.setMinimum(0)
self.head_length_slider.setMaximum(self.layer._max_length)
self.head_length_slider.setSingleStep(1)
# slider for track tail length
self.tail_length_slider = QSlider(Qt.Horizontal)
self.tail_length_slider.setFocusPolicy(Qt.NoFocus)
self.tail_length_slider.setMinimum(1)
self.tail_length_slider.setMaximum(self.layer._max_length)
self.tail_length_slider.setSingleStep(1)
# slider for track edge width
self.tail_width_slider = QSlider(Qt.Horizontal)
self.tail_width_slider.setFocusPolicy(Qt.NoFocus)
self.tail_width_slider.setMinimum(1)
self.tail_width_slider.setMaximum(int(2 * self.layer._max_width))
self.tail_width_slider.setSingleStep(1)
# checkboxes for display
self.id_checkbox = QCheckBox()
self.tail_checkbox = QCheckBox()
self.tail_checkbox.setChecked(True)
self.graph_checkbox = QCheckBox()
self.graph_checkbox.setChecked(True)
self.tail_width_slider.valueChanged.connect(self.change_tail_width)
self.tail_length_slider.valueChanged.connect(self.change_tail_length)
self.head_length_slider.valueChanged.connect(self.change_head_length)
self.tail_checkbox.stateChanged.connect(self.change_display_tail)
self.id_checkbox.stateChanged.connect(self.change_display_id)
self.graph_checkbox.stateChanged.connect(self.change_display_graph)
self.color_by_combobox.currentTextChanged.connect(self.change_color_by)
self.colormap_combobox.currentTextChanged.connect(self.change_colormap)
self.layout().addRow(trans._('color by:'), self.color_by_combobox)
self.layout().addRow(trans._('colormap:'), self.colormap_combobox)
self.layout().addRow(trans._('blending:'), self.blendComboBox)
self.layout().addRow(trans._('opacity:'), self.opacitySlider)
self.layout().addRow(trans._('tail width:'), self.tail_width_slider)
self.layout().addRow(trans._('tail length:'), self.tail_length_slider)
self.layout().addRow(trans._('head length:'), self.head_length_slider)
self.layout().addRow(trans._('tail:'), self.tail_checkbox)
self.layout().addRow(trans._('show ID:'), self.id_checkbox)
self.layout().addRow(trans._('graph:'), self.graph_checkbox)
self._on_tail_length_change()
self._on_tail_width_change()
self._on_colormap_change()
self._on_color_by_change()
def _on_tail_width_change(self):
"""Receive layer model track line width change event and update slider."""
with self.layer.events.tail_width.blocker():
value = int(2 * self.layer.tail_width)
self.tail_width_slider.setValue(value)
def _on_tail_length_change(self):
"""Receive layer model track line width change event and update slider."""
with self.layer.events.tail_length.blocker():
value = self.layer.tail_length
self.tail_length_slider.setValue(value)
def _on_head_length_change(self):
"""Receive layer model track line width change event and update slider."""
with self.layer.events.head_length.blocker():
value = self.layer.head_length
self.head_length_slider.setValue(value)
def _on_properties_change(self):
"""Change the properties that can be used to color the tracks."""
with self.layer.events.properties.blocker():
with qt_signals_blocked(self.color_by_combobox):
self.color_by_combobox.clear()
self.color_by_combobox.addItems(self.layer.properties_to_color_by)
def _on_colormap_change(self):
"""Receive layer model colormap change event and update combobox."""
with self.layer.events.colormap.blocker():
self.colormap_combobox.setCurrentIndex(
self.colormap_combobox.findData(self.layer.colormap))
def _on_color_by_change(self):
"""Receive layer model color_by change event and update combobox."""
with self.layer.events.color_by.blocker():
color_by = self.layer.color_by
idx = self.color_by_combobox.findText(color_by,
Qt.MatchFixedString)
self.color_by_combobox.setCurrentIndex(idx)
def change_tail_width(self, value):
"""Change track line width of shapes on the layer model.
Parameters
----------
value : float
Line width of track tails.
"""
self.layer.tail_width = float(value) / 2.0
def change_tail_length(self, value):
"""Change edge line backward length of shapes on the layer model.
Parameters
----------
value : int
Line length of track tails.
"""
self.layer.tail_length = value
def change_head_length(self, value):
"""Change edge line forward length of shapes on the layer model.
Parameters
----------
value : int
Line length of track tails.
"""
self.layer.head_length = value
def change_display_tail(self, state):
self.layer.display_tail = self.tail_checkbox.isChecked()
def change_display_id(self, state):
self.layer.display_id = self.id_checkbox.isChecked()
def change_display_graph(self, state):
self.layer.display_graph = self.graph_checkbox.isChecked()
def change_color_by(self, value: str):
self.layer.color_by = value
def change_colormap(self, colormap: str):
self.layer.colormap = self.colormap_combobox.currentData()
class QtTracksControls(QtLayerControls):
"""Qt view and controls for the Tracks layer.
Parameters
----------
layer : napari.layers.Tracks
An instance of a Tracks layer.
Attributes
----------
grid_layout : qtpy.QtWidgets.QGridLayout
Layout of Qt widget controls for the layer.
layer : layers.Tracks
An instance of a Tracks layer.
"""
def __init__(self, layer):
super().__init__(layer)
# NOTE(arl): there are no events fired for changing checkboxes
self.layer.events.tail_width.connect(self._on_tail_width_change)
self.layer.events.tail_length.connect(self._on_tail_length_change)
self.layer.events.properties.connect(self._on_properties_change)
self.layer.events.colormap.connect(self._on_colormap_change)
self.layer.events.color_by.connect(self._on_color_by_change)
# combo box for track coloring, we can get these from the properties
# keys
self.color_by_combobox = QComboBox()
self.color_by_combobox.addItems(self.layer.properties_to_color_by)
self.colormap_combobox = QComboBox()
for name, colormap in AVAILABLE_COLORMAPS.items():
display_name = colormap._display_name
self.colormap_combobox.addItem(display_name, name)
# slider for track tail length
self.tail_length_slider = QSlider(Qt.Horizontal)
self.tail_length_slider.setFocusPolicy(Qt.NoFocus)
self.tail_length_slider.setMinimum(1)
self.tail_length_slider.setMaximum(MAX_TAIL_LENGTH)
self.tail_length_slider.setSingleStep(1)
# slider for track edge width
self.tail_width_slider = QSlider(Qt.Horizontal)
self.tail_width_slider.setFocusPolicy(Qt.NoFocus)
self.tail_width_slider.setMinimum(1)
self.tail_width_slider.setMaximum(MAX_TAIL_WIDTH)
self.tail_width_slider.setSingleStep(1)
# checkboxes for display
self.id_checkbox = QCheckBox()
self.tail_checkbox = QCheckBox()
self.tail_checkbox.setChecked(True)
self.graph_checkbox = QCheckBox()
self.graph_checkbox.setChecked(True)
self.tail_width_slider.valueChanged.connect(self.change_tail_width)
self.tail_length_slider.valueChanged.connect(self.change_tail_length)
self.tail_checkbox.stateChanged.connect(self.change_display_tail)
self.id_checkbox.stateChanged.connect(self.change_display_id)
self.graph_checkbox.stateChanged.connect(self.change_display_graph)
self.color_by_combobox.currentTextChanged.connect(self.change_color_by)
self.colormap_combobox.currentTextChanged.connect(self.change_colormap)
# grid_layout created in QtLayerControls
# addWidget(widget, row, column, [row_span, column_span])
self.grid_layout.addWidget(QLabel(trans._('color by:')), 0, 0)
self.grid_layout.addWidget(self.color_by_combobox, 0, 1)
self.grid_layout.addWidget(QLabel(trans._('colormap:')), 1, 0)
self.grid_layout.addWidget(self.colormap_combobox, 1, 1)
self.grid_layout.addWidget(QLabel(trans._('blending:')), 2, 0)
self.grid_layout.addWidget(self.blendComboBox, 2, 1)
self.grid_layout.addWidget(QLabel(trans._('opacity:')), 3, 0)
self.grid_layout.addWidget(self.opacitySlider, 3, 1)
self.grid_layout.addWidget(QLabel(trans._('tail width:')), 4, 0)
self.grid_layout.addWidget(self.tail_width_slider, 4, 1)
self.grid_layout.addWidget(QLabel(trans._('tail length:')), 5, 0)
self.grid_layout.addWidget(self.tail_length_slider, 5, 1)
self.grid_layout.addWidget(QLabel(trans._('tail:')), 6, 0)
self.grid_layout.addWidget(self.tail_checkbox, 6, 1)
self.grid_layout.addWidget(QLabel(trans._('show ID:')), 7, 0)
self.grid_layout.addWidget(self.id_checkbox, 7, 1)
self.grid_layout.addWidget(QLabel(trans._('graph:')), 8, 0)
self.grid_layout.addWidget(self.graph_checkbox, 8, 1)
self.grid_layout.setRowStretch(9, 1)
self.grid_layout.setColumnStretch(1, 1)
self.grid_layout.setSpacing(4)
self._on_tail_length_change()
self._on_tail_width_change()
self._on_colormap_change()
self._on_color_by_change()
def _on_tail_width_change(self, event=None):
"""Receive layer model track line width change event and update slider.
Parameters
----------
event : qtpy.QtCore.QEvent, optional.
Event from the Qt context, by default None.
"""
with self.layer.events.tail_width.blocker():
value = self.layer.tail_width
value = np.clip(int(2 * value), 1, MAX_TAIL_WIDTH)
self.tail_width_slider.setValue(value)
def _on_tail_length_change(self, event=None):
"""Receive layer model track line width change event and update slider.
Parameters
----------
event : qtpy.QtCore.QEvent, optional.
Event from the Qt context, by default None.
"""
with self.layer.events.tail_length.blocker():
value = self.layer.tail_length
value = np.clip(value, 1, MAX_TAIL_LENGTH)
self.tail_length_slider.setValue(value)
def _on_properties_change(self, event=None):
"""Change the properties that can be used to color the tracks."""
with self.layer.events.properties.blocker():
with qt_signals_blocked(self.color_by_combobox):
self.color_by_combobox.clear()
self.color_by_combobox.addItems(self.layer.properties_to_color_by)
def _on_colormap_change(self, event=None):
"""Receive layer model colormap change event and update combobox.
Parameters
----------
event : qtpy.QtCore.QEvent, optional.
Event from the Qt context, by default None.
"""
with self.layer.events.colormap.blocker():
self.colormap_combobox.setCurrentIndex(
self.colormap_combobox.findData(self.layer.colormap))
def _on_color_by_change(self, event=None):
"""Receive layer model color_by change event and update combobox.
Parameters
----------
event : qtpy.QtCore.QEvent, optional.
Event from the Qt context, by default None.
"""
with self.layer.events.color_by.blocker():
color_by = self.layer.color_by
idx = self.color_by_combobox.findText(color_by,
Qt.MatchFixedString)
self.color_by_combobox.setCurrentIndex(idx)
def change_tail_width(self, value):
"""Change track line width of shapes on the layer model.
Parameters
----------
value : float
Line width of track tails.
"""
self.layer.tail_width = float(value) / 2.0
def change_tail_length(self, value):
"""Change edge line width of shapes on the layer model.
Parameters
----------
value : int
Line length of track tails.
"""
self.layer.tail_length = value
def change_display_tail(self, state):
self.layer.display_tail = self.tail_checkbox.isChecked()
def change_display_id(self, state):
self.layer.display_id = self.id_checkbox.isChecked()
def change_display_graph(self, state):
self.layer.display_graph = self.graph_checkbox.isChecked()
def change_color_by(self, value: str):
self.layer.color_by = value
def change_colormap(self, colormap: str):
self.layer.colormap = self.colormap_combobox.currentData()
def __init__(self, layer):
super().__init__(layer)
self.layer.events.interpolation.connect(self._on_interpolation_change)
self.layer.events.rendering.connect(self._on_rendering_change)
self.layer.events.iso_threshold.connect(self._on_iso_threshold_change)
self.layer.events.attenuation.connect(self._on_attenuation_change)
self.layer.dims.events.ndisplay.connect(self._on_ndisplay_change)
self.interpComboBox = QComboBox(self)
self.interpComboBox.activated[str].connect(self.changeInterpolation)
self.interpLabel = QLabel('interpolation:')
renderComboBox = QComboBox(self)
renderComboBox.addItems(Rendering.keys())
index = renderComboBox.findText(
self.layer.rendering, Qt.MatchFixedString
)
renderComboBox.setCurrentIndex(index)
renderComboBox.activated[str].connect(self.changeRendering)
self.renderComboBox = renderComboBox
self.renderLabel = QLabel('rendering:')
sld = QSlider(Qt.Horizontal, parent=self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(100)
sld.setSingleStep(1)
sld.setValue(int(self.layer.iso_threshold * 100))
sld.valueChanged.connect(self.changeIsoThreshold)
self.isoThresholdSlider = sld
self.isoThresholdLabel = QLabel('iso threshold:')
sld = QSlider(Qt.Horizontal, parent=self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(100)
sld.setSingleStep(1)
sld.setValue(int(self.layer.attenuation * 200))
sld.valueChanged.connect(self.changeAttenuation)
self.attenuationSlider = sld
self.attenuationLabel = QLabel('attenuation:')
self._on_ndisplay_change()
colormap_layout = QHBoxLayout()
colormap_layout.addWidget(self.colorbarLabel)
colormap_layout.addWidget(self.colormapComboBox)
colormap_layout.addStretch(1)
# grid_layout created in QtLayerControls
# addWidget(widget, row, column, [row_span, column_span])
self.grid_layout.addWidget(QLabel('opacity:'), 0, 0)
self.grid_layout.addWidget(self.opacitySlider, 0, 1)
self.grid_layout.addWidget(QLabel('contrast limits:'), 1, 0)
self.grid_layout.addWidget(self.contrastLimitsSlider, 1, 1)
self.grid_layout.addWidget(QLabel('gamma:'), 2, 0)
self.grid_layout.addWidget(self.gammaSlider, 2, 1)
self.grid_layout.addWidget(QLabel('colormap:'), 3, 0)
self.grid_layout.addLayout(colormap_layout, 3, 1)
self.grid_layout.addWidget(QLabel('blending:'), 4, 0)
self.grid_layout.addWidget(self.blendComboBox, 4, 1)
self.grid_layout.addWidget(self.interpLabel, 5, 0)
self.grid_layout.addWidget(self.interpComboBox, 5, 1)
self.grid_layout.addWidget(self.renderLabel, 6, 0)
self.grid_layout.addWidget(self.renderComboBox, 6, 1)
self.grid_layout.addWidget(self.isoThresholdLabel, 7, 0)
self.grid_layout.addWidget(self.isoThresholdSlider, 7, 1)
self.grid_layout.addWidget(self.attenuationLabel, 8, 0)
self.grid_layout.addWidget(self.attenuationSlider, 8, 1)
self.grid_layout.setRowStretch(9, 1)
self.grid_layout.setColumnStretch(1, 1)
self.grid_layout.setSpacing(4)
def __init__(self, layer):
super().__init__()
self.layer = layer
layer.events.select.connect(lambda v: self.setSelected(True))
layer.events.deselect.connect(lambda v: self.setSelected(False))
layer.events.name.connect(self._on_layer_name_change)
layer.events.blending.connect(self._on_blending_change)
layer.events.opacity.connect(self._on_opacity_change)
layer.events.visible.connect(self._on_visible_change)
layer.events.thumbnail.connect(self._on_thumbnail_change)
self.setObjectName('layer')
self.vbox_layout = QVBoxLayout()
self.top = QFrame()
self.top_layout = QHBoxLayout()
self.grid = QFrame()
self.grid_layout = QGridLayout()
self.vbox_layout.addWidget(self.top)
self.vbox_layout.addWidget(self.grid)
self.vbox_layout.setSpacing(0)
self.top.setFixedHeight(38)
self.top_layout.setContentsMargins(0, 0, 0, 0)
self.grid_layout.setContentsMargins(0, 0, 0, 0)
self.top_layout.setAlignment(Qt.AlignCenter)
self.top.setLayout(self.top_layout)
self.grid.setLayout(self.grid_layout)
self.setLayout(self.vbox_layout)
self.name_column = 0
self.property_column = 1
cb = QCheckBox(self)
cb.setObjectName('visibility')
cb.setToolTip('Layer visibility')
cb.setChecked(self.layer.visible)
cb.setProperty('mode', 'visibility')
cb.stateChanged.connect(lambda state=cb: self.changeVisible(state))
self.visibleCheckBox = cb
self.top_layout.addWidget(cb)
tb = QLabel(self)
tb.setObjectName('thumbmnail')
tb.setToolTip('Layer thumbmnail')
self.thumbnail_label = tb
self._on_thumbnail_change(None)
self.top_layout.addWidget(tb)
textbox = QLineEdit(self)
textbox.setText(layer.name)
textbox.home(False)
textbox.setToolTip('Layer name')
textbox.setAcceptDrops(False)
textbox.setEnabled(True)
textbox.editingFinished.connect(self.changeText)
self.nameTextBox = textbox
self.top_layout.addWidget(textbox)
pb = QPushButton(self)
pb.setToolTip('Expand properties')
pb.clicked.connect(self.changeExpanded)
pb.setObjectName('expand')
self.expand_button = pb
self.top_layout.addWidget(pb)
row = self.grid_layout.rowCount()
sld = QSlider(Qt.Horizontal, self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(100)
sld.setSingleStep(1)
sld.setValue(self.layer.opacity * 100)
sld.valueChanged[int].connect(
lambda value=sld: self.changeOpacity(value))
self.opacitySilder = sld
row = self.grid_layout.rowCount()
self.grid_layout.addWidget(QLabel('opacity:'), row, self.name_column)
self.grid_layout.addWidget(sld, row, self.property_column)
row = self.grid_layout.rowCount()
blend_comboBox = QComboBox()
for blend in Blending:
blend_comboBox.addItem(str(blend))
index = blend_comboBox.findText(self.layer.blending,
Qt.MatchFixedString)
blend_comboBox.setCurrentIndex(index)
blend_comboBox.activated[str].connect(
lambda text=blend_comboBox: self.changeBlending(text))
self.blendComboBox = blend_comboBox
self.grid_layout.addWidget(QLabel('blending:'), row, self.name_column)
self.grid_layout.addWidget(blend_comboBox, row, self.property_column)
msg = 'Click to select\nDrag to rearrange\nDouble click to expand'
self.setToolTip(msg)
self.setExpanded(False)
self.setFixedWidth(250)
self.grid_layout.setColumnMinimumWidth(0, 100)
self.grid_layout.setColumnMinimumWidth(1, 100)
self.setSelected(self.layer.selected)
class QtSizeSliderPreviewWidget(QWidget):
"""
Widget displaying a description, textedit and slider to adjust font size
with preview.
Parameters
----------
parent : qtpy.QtWidgets.QWidget, optional
Default is None.
description : str, optional
Default is "".
preview_text : str, optional
Default is "".
value : int, optional
Default is None.
min_value : int, optional
Default is 1.
max_value : int, optional
Default is 50.
unit : str, optional
Default is "px".
"""
valueChanged = Signal(int)
def __init__(
self,
parent: QWidget = None,
description: str = None,
preview_text: str = None,
value: int = None,
min_value: int = 1,
max_value: int = 50,
unit: str = "px",
):
super().__init__(parent)
description = description or ""
preview_text = preview_text or ""
self._value = value if value else self.fontMetrics().height()
self._min_value = min_value
self._max_value = max_value
# Widget
self._lineedit = QLineEdit()
self._description_label = QLabel(self)
self._unit_label = QLabel(self)
self._slider = QSlider(Qt.Horizontal, self)
self._slider_min_label = QLabel(self)
self._slider_max_label = QLabel(self)
self._preview = QtFontSizePreview(self)
self._preview_label = QLabel(self)
self._validator = None
# Widgets setup
self._description_label.setText(description)
self._description_label.setWordWrap(True)
self._unit_label.setText(unit)
self._lineedit.setAlignment(Qt.AlignRight)
self._slider_min_label.setText(str(min_value))
self._slider_max_label.setText(str(max_value))
self._slider.setMinimum(min_value)
self._slider.setMaximum(max_value)
self._preview.setText(preview_text)
self._preview_label.setText(trans._("preview"))
self._preview_label.setAlignment(Qt.AlignHCenter)
self.setFocusProxy(self._lineedit)
# Layout
left_bottom_layout = QHBoxLayout()
left_bottom_layout.addWidget(self._lineedit)
left_bottom_layout.addWidget(self._unit_label)
left_bottom_layout.addWidget(self._slider_min_label)
left_bottom_layout.addWidget(self._slider)
left_bottom_layout.addWidget(self._slider_max_label)
left_layout = QVBoxLayout()
left_layout.addWidget(self._description_label)
left_layout.addLayout(left_bottom_layout)
right_layout = QVBoxLayout()
right_layout.addWidget(self._preview)
right_layout.addWidget(self._preview_label)
layout = QHBoxLayout()
layout.addLayout(left_layout, 2)
layout.addLayout(right_layout, 1)
self.setLayout(layout)
# Signals
self._slider.valueChanged.connect(self._update_value)
self._lineedit.textChanged.connect(self._update_value)
self._update_line_width()
self._update_validator()
self._update_value(self._value)
def _update_validator(self):
self._validator = QIntValidator(self._min_value, self._max_value, self)
self._lineedit.setValidator(self._validator)
def _update_line_width(self):
"""Update width ofg line text edit."""
size = self._lineedit.fontMetrics().horizontalAdvance(
"m" * (1 + len(str(self._max_value))))
self._lineedit.setMaximumWidth(size)
self._lineedit.setMinimumWidth(size)
def _update_value(self, value: int):
"""Update internal value and emit if changed."""
if value == "":
value = int(self._value)
value = int(value)
if value > self._max_value:
value = self._max_value
elif value < self._min_value:
value = self._min_value
if value != self._value:
self.valueChanged.emit(value)
self._value = value
self._refresh(self._value)
def _refresh(self, value: int = None):
"""Refresh the value on all subwidgets."""
value = value if value else self._value
self.blockSignals(True)
self._lineedit.setText(str(value))
self._slider.setValue(value)
font = QFont()
font.setPixelSize(value)
self._preview.setFont(font)
font = QFont()
font.setPixelSize(self.fontMetrics().height() - 4)
self._preview_label.setFont(font)
self.blockSignals(False)
def description(self) -> str:
"""Return the current widget description.
Returns
-------
str
The description text.
"""
return self._description_label.text()
def setDescription(self, text: str):
"""Set the current widget description.
Parameters
----------
text : str
The description text.
"""
self._description_label.setText(text)
def previewText(self) -> str:
"""Return the current preview text.
Returns
-------
str
The current preview text.
"""
return self._preview.text()
def setPreviewText(self, text: str):
"""Set the current preview text.
Parameters
----------
text : str
The current preview text.
"""
self._preview.setText(text)
def unit(self) -> str:
"""Return the current unit text.
Returns
-------
str
The current unit text.
"""
return self._unit_label.text()
def setUnit(self, text: str):
"""Set the current unit text.
Parameters
----------
text : str
The current preview text.
"""
self._unit_label.setText(text)
def minimum(self) -> int:
"""Return the current minimum value for the slider and value in textbox.
Returns
-------
int
The minimum value for the slider.
"""
return self._min_value
def setMinimum(self, value: int):
"""Set the current minimum value for the slider and value in textbox.
Parameters
----------
value : int
The minimum value for the slider.
"""
value = int(value)
if value < self._max_value:
self._min_value = value
self._value = (self._min_value
if self._value < self._min_value else self._value)
self._slider_min_label.setText(str(value))
self._slider.setMinimum(value)
self._update_validator()
self._refresh()
else:
raise ValueError(
trans._("Minimum value must be smaller than {}".format(
self._max_value)))
def maximum(self) -> int:
"""Return the maximum value for the slider and value in textbox.
Returns
-------
int
The maximum value for the slider.
"""
return self._max_value
def setMaximum(self, value: int):
"""Set the maximum value for the slider and value in textbox.
Parameters
----------
value : int
The maximum value for the slider.
"""
value = int(value)
if value > self._min_value:
self._max_value = value
self._value = (self._max_value
if self._value > self._max_value else self._value)
self._slider_max_label.setText(str(value))
self._slider.setMaximum(value)
self._update_validator()
self._update_line_width()
self._refresh()
else:
raise ValueError(
trans._("Maximum value must be larger than {}".format(
self._min_value)))
def value(self) -> int:
"""Return the current widget value.
Returns
-------
int
The current value.
"""
return self._value
def setValue(self, value: int):
"""Set the current widget value.
Parameters
----------
value : int
The current value.
"""
self._update_value(value)
class PyDMSlider(QFrame, PyDMWritableWidget):
"""
A QSlider with support for Channels and more from PyDM.
Parameters
----------
parent : QWidget
The parent widget for the Label
init_channel : str, optional
The channel to be used by the widget.
"""
actionTriggered = Signal(int)
rangeChanged = Signal(float, float)
sliderMoved = Signal(float)
sliderPressed = Signal()
sliderReleased = Signal()
valueChanged = Signal(float)
def __init__(self, parent=None, init_channel=None):
QFrame.__init__(self, parent)
PyDMWritableWidget.__init__(self, init_channel=init_channel)
self.alarmSensitiveContent = True
self.alarmSensitiveBorder = False
# Internal values for properties
self.set_enable_state()
self._show_limit_labels = True
self._show_value_label = True
self._user_defined_limits = False
self._needs_limit_info = True
self._minimum = None
self._maximum = None
self._user_minimum = -10.0
self._user_maximum = 10.0
self._num_steps = 101
self._orientation = Qt.Horizontal
# Set up all the internal widgets that make up a PyDMSlider.
# We'll add all these things to layouts when we call setup_widgets_for_orientation
label_size_policy = QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Fixed)
self.low_lim_label = QLabel(self)
self.low_lim_label.setObjectName("lowLimLabel")
self.low_lim_label.setSizePolicy(label_size_policy)
self.low_lim_label.setAlignment(Qt.AlignLeft | Qt.AlignTrailing
| Qt.AlignVCenter)
self.value_label = QLabel(self)
self.value_label.setObjectName("valueLabel")
self.value_label.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
self.high_lim_label = QLabel(self)
self.high_lim_label.setObjectName("highLimLabel")
self.high_lim_label.setSizePolicy(label_size_policy)
self.high_lim_label.setAlignment(Qt.AlignRight | Qt.AlignTrailing
| Qt.AlignVCenter)
self._slider = QSlider(parent=self)
self._slider.setOrientation(Qt.Horizontal)
self._slider.sliderMoved.connect(self.internal_slider_moved)
self._slider.sliderPressed.connect(self.internal_slider_pressed)
self._slider.sliderReleased.connect(self.internal_slider_released)
self._slider.valueChanged.connect(self.internal_slider_value_changed)
# self.vertical_layout.addWidget(self._slider)
# Other internal variables and final setup steps
self._slider_position_to_value_map = None
self._mute_internal_slider_changes = False
self.setup_widgets_for_orientation(self._orientation)
self.reset_slider_limits()
def init_for_designer(self):
"""
Method called after the constructor to tweak configurations for
when using the widget with the Qt Designer
"""
self.value = 0.0
@Property(Qt.Orientation)
def orientation(self):
"""
The slider orientation (Horizontal or Vertical)
Returns
-------
int
Qt.Horizontal or Qt.Vertical
"""
return self._orientation
@orientation.setter
def orientation(self, new_orientation):
"""
The slider orientation (Horizontal or Vertical)
Parameters
----------
new_orientation : int
Qt.Horizontal or Qt.Vertical
"""
self._orientation = new_orientation
self.setup_widgets_for_orientation(new_orientation)
def setup_widgets_for_orientation(self, new_orientation):
"""
Reconstruct the widget given the orientation.
Parameters
----------
new_orientation : int
Qt.Horizontal or Qt.Vertical
"""
if new_orientation not in (Qt.Horizontal, Qt.Vertical):
logger.error(
"Invalid orientation '{0}'. The existing layout will not change."
.format(new_orientation))
return
layout = None
if new_orientation == Qt.Horizontal:
layout = QVBoxLayout()
layout.setContentsMargins(4, 0, 4, 4)
label_layout = QHBoxLayout()
label_layout.addWidget(self.low_lim_label)
label_layout.addStretch(0)
label_layout.addWidget(self.value_label)
label_layout.addStretch(0)
label_layout.addWidget(self.high_lim_label)
layout.addLayout(label_layout)
self._slider.setOrientation(new_orientation)
layout.addWidget(self._slider)
elif new_orientation == Qt.Vertical:
layout = QHBoxLayout()
layout.setContentsMargins(0, 4, 4, 4)
label_layout = QVBoxLayout()
label_layout.addWidget(self.high_lim_label)
label_layout.addStretch(0)
label_layout.addWidget(self.value_label)
label_layout.addStretch(0)
label_layout.addWidget(self.low_lim_label)
layout.addLayout(label_layout)
self._slider.setOrientation(new_orientation)
layout.addWidget(self._slider)
if self.layout() is not None:
# Trick to remove the existing layout by re-parenting it in an empty widget.
QWidget().setLayout(self.layout())
self.setLayout(layout)
def update_labels(self):
"""
Update the limits and value labels with the correct values.
"""
def set_label(value, label_widget):
if value is None:
label_widget.setText("")
else:
label_widget.setText(self.format_string.format(value))
set_label(self.minimum, self.low_lim_label)
set_label(self.maximum, self.high_lim_label)
set_label(self.value, self.value_label)
def reset_slider_limits(self):
"""
Reset the limits and adjust the labels properly for the slider.
"""
if self.minimum is None or self.maximum is None:
self._needs_limit_info = True
self.set_enable_state()
return
self._needs_limit_info = False
self._slider.setMinimum(0)
self._slider.setMaximum(self._num_steps - 1)
self._slider.setSingleStep(1)
self._slider.setPageStep(10)
self._slider_position_to_value_map = np.linspace(self.minimum,
self.maximum,
num=self._num_steps)
self.update_labels()
self.set_slider_to_closest_value(self.value)
self.rangeChanged.emit(self.minimum, self.maximum)
self.set_enable_state()
def find_closest_slider_position_to_value(self, val):
"""
Find and returns the index for the closest position on the slider
for a given value.
Parameters
----------
val : float
Returns
-------
int
"""
diff = abs(self._slider_position_to_value_map - float(val))
return np.argmin(diff)
def set_slider_to_closest_value(self, val):
"""
Set the value for the slider according to a given value.
Parameters
----------
val : float
"""
if val is None or self._needs_limit_info:
return
# When we set the slider to the closest value, it may end up at a slightly
# different position than val (if val is not in self._slider_position_to_value_map)
# We don't want that slight difference to get broacast out and put the channel
# somewhere new. For example, if the slider can only be at 0.4 or 0.5, but a
# new value comes in of 0.45, its more important to keep the 0.45 than to change
# it to where the slider gets set. Therefore, we mute the internal slider changes
# so that its valueChanged signal doesn't cause us to emit a signal to PyDM to change
# the value of the channel.
self._mute_internal_slider_changes = True
self._slider.setValue(self.find_closest_slider_position_to_value(val))
self._mute_internal_slider_changes = False
def value_changed(self, new_val):
"""
Callback invoked when the Channel value is changed.
Parameters
----------
new_val : int or float
The new value from the channel.
"""
PyDMWritableWidget.value_changed(self, new_val)
if hasattr(self, "value_label"):
self.value_label.setText(self.format_string.format(self.value))
if not self._slider.isSliderDown():
self.set_slider_to_closest_value(self.value)
def ctrl_limit_changed(self, which, new_limit):
"""
Callback invoked when the Channel receives new control limit
values.
Parameters
----------
which : str
Which control limit was changed. "UPPER" or "LOWER"
new_limit : float
New value for the control limit
"""
PyDMWritableWidget.ctrl_limit_changed(self, which, new_limit)
if not self.userDefinedLimits:
self.reset_slider_limits()
def update_format_string(self):
"""
Reconstruct the format string to be used when representing the
output value.
Returns
-------
format_string : str
The format string to be used including or not the precision
and unit
"""
fs = PyDMWritableWidget.update_format_string(self)
self.update_labels()
return fs
def set_enable_state(self):
"""
Determines wether or not the widget must be enabled or not depending
on the write access, connection state and presence of limits information
"""
self.setEnabled(self._write_access and self._connected
and not self._needs_limit_info)
@Slot(int)
def internal_slider_action_triggered(self, action):
self.actionTriggered.emit(action)
@Slot(int)
def internal_slider_moved(self, val):
"""
Method invoked when the slider is moved.
Parameters
----------
val : float
"""
# The user has moved the slider, we need to update our value.
# Only update the underlying value, not the self.value property,
# because we don't need to reset the slider position. If we change
# self.value, we can get into a loop where the position changes, which
# updates the value, which changes the position again, etc etc.
self.value = self._slider_position_to_value_map[val]
self.sliderMoved.emit(self.value)
@Slot()
def internal_slider_pressed(self):
"""
Method invoked when the slider is pressed
"""
self.sliderPressed.emit()
@Slot()
def internal_slider_released(self):
"""
Method invoked when the slider is released
"""
self.sliderReleased.emit()
@Slot(int)
def internal_slider_value_changed(self, val):
"""
Method invoked when a new value is selected on the slider.
This will cause the new value to be emitted to the signal
unless `mute_internal_slider_changes` is True.
Parameters
----------
val : int
"""
# At this point, our local copy of the value reflects the position of the
# slider, now all we need to do is emit a signal to PyDM so that the data
# plugin will send a put to the channel. Don't update self.value or self._value
# in here, it is pointless at best, and could cause an infinite loop at worst.
if not self._mute_internal_slider_changes:
self.send_value_signal[float].emit(self.value)
@Property(bool)
def showLimitLabels(self):
"""
Whether or not the high and low limits should be displayed on the slider.
Returns
-------
bool
"""
return self._show_limit_labels
@showLimitLabels.setter
def showLimitLabels(self, checked):
"""
Whether or not the high and low limits should be displayed on the slider.
Parameters
----------
checked : bool
"""
self._show_limit_labels = checked
if checked:
self.low_lim_label.show()
self.high_lim_label.show()
else:
self.low_lim_label.hide()
self.high_lim_label.hide()
@Property(bool)
def showValueLabel(self):
"""
Whether or not the current value should be displayed on the slider.
Returns
-------
bool
"""
return self._show_value_label
@showValueLabel.setter
def showValueLabel(self, checked):
"""
Whether or not the current value should be displayed on the slider.
Parameters
----------
checked : bool
"""
self._show_value_label = checked
if checked:
self.value_label.show()
else:
self.value_label.hide()
@Property(QSlider.TickPosition)
def tickPosition(self):
"""
Where to draw tick marks for the slider.
Returns
-------
QSlider.TickPosition
"""
return self._slider.tickPosition()
@tickPosition.setter
def tickPosition(self, position):
"""
Where to draw tick marks for the slider.
Parameter
---------
position : QSlider.TickPosition
"""
self._slider.setTickPosition(position)
@Property(bool)
def userDefinedLimits(self):
"""
Wether or not to use limits defined by the user and not from the
channel
Returns
-------
bool
"""
return self._user_defined_limits
@userDefinedLimits.setter
def userDefinedLimits(self, user_defined_limits):
"""
Wether or not to use limits defined by the user and not from the
channel
Parameters
----------
user_defined_limits : bool
"""
self._user_defined_limits = user_defined_limits
self.reset_slider_limits()
@Property(float)
def userMinimum(self):
"""
Lower user defined limit value
Returns
-------
float
"""
return self._user_minimum
@userMinimum.setter
def userMinimum(self, new_min):
"""
Lower user defined limit value
Parameters
----------
new_min : float
"""
self._user_minimum = float(new_min) if new_min is not None else None
if self.userDefinedLimits:
self.reset_slider_limits()
@Property(float)
def userMaximum(self):
"""
Upper user defined limit value
Returns
-------
float
"""
return self._user_maximum
@userMaximum.setter
def userMaximum(self, new_max):
"""
Upper user defined limit value
Parameters
----------
new_max : float
"""
self._user_maximum = float(new_max) if new_max is not None else None
if self.userDefinedLimits:
self.reset_slider_limits()
@property
def minimum(self):
"""
The current value being used for the lower limit
Returns
-------
float
"""
if self.userDefinedLimits:
return self._user_minimum
return self._lower_ctrl_limit
@property
def maximum(self):
"""
The current value being used for the upper limit
Returns
-------
float
"""
if self.userDefinedLimits:
return self._user_maximum
return self._upper_ctrl_limit
@Property(int)
def num_steps(self):
"""
The number of steps on the slider
Returns
-------
int
"""
return self._num_steps
@num_steps.setter
def num_steps(self, new_steps):
"""
The number of steps on the slider
Parameters
----------
new_steps : int
"""
self._num_steps = int(new_steps)
self.reset_slider_limits()
def __init__(self, layer):
super().__init__(layer)
self.layer.events.mode.connect(self._on_mode_change)
self.layer.events.edge_width.connect(self._on_edge_width_change)
self.layer.events.current_edge_color.connect(
self._on_current_edge_color_change
)
self.layer.events.current_face_color.connect(
self._on_current_face_color_change
)
self.layer.events.editable.connect(self._on_editable_change)
self.layer.text.events.visible.connect(self._on_text_visibility_change)
sld = QSlider(Qt.Horizontal)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(40)
sld.setSingleStep(1)
value = self.layer.current_edge_width
if isinstance(value, Iterable):
if isinstance(value, list):
value = np.asarray(value)
value = value.mean()
sld.setValue(int(value))
sld.valueChanged.connect(self.changeWidth)
self.widthSlider = sld
def _radio_button(
parent,
btn_name,
mode,
action_name,
extra_tooltip_text='',
**kwargs,
):
"""
Convenience local function to create a RadioButton and bind it to
an action at the same time.
Parameters
----------
parent : Any
Parent of the generated QtModeRadioButton
btn_name : str
name fo the button
mode : Enum
Value Associated to current button
action_name : str
Action triggered when button pressed
extra_tooltip_text : str
Text you want added after the automatic tooltip set by the
action manager
**kwargs:
Passed to QtModeRadioButton
Returns
-------
button: QtModeRadioButton
button bound (or that will be bound to) to action `action_name`
Notes
-----
When shortcuts are modifed/added/removed via the action manager, the
tooltip will be updated to reflect the new shortcut.
"""
action_name = 'napari:' + action_name
btn = QtModeRadioButton(parent, btn_name, mode, **kwargs)
action_manager.bind_button(
action_name,
btn,
extra_tooltip_text='',
)
return btn
self.select_button = _radio_button(
layer, 'select', Mode.SELECT, "activate_select_mode"
)
self.direct_button = _radio_button(
layer, 'direct', Mode.DIRECT, "activate_direct_mode"
)
self.panzoom_button = _radio_button(
layer,
'zoom',
Mode.PAN_ZOOM,
"napari:activate_shape_pan_zoom_mode",
extra_tooltip_text=trans._('(or hold Space)'),
checked=True,
)
self.rectangle_button = _radio_button(
layer,
'rectangle',
Mode.ADD_RECTANGLE,
"activate_add_rectangle_mode",
)
self.ellipse_button = _radio_button(
layer,
'ellipse',
Mode.ADD_ELLIPSE,
"activate_add_ellipse_mode",
)
self.line_button = _radio_button(
layer, 'line', Mode.ADD_LINE, "activate_add_line_mode"
)
self.path_button = _radio_button(
layer, 'path', Mode.ADD_PATH, "activate_add_path_mode"
)
self.polygon_button = _radio_button(
layer,
'polygon',
Mode.ADD_POLYGON,
"activate_add_polygon_mode",
)
self.vertex_insert_button = _radio_button(
layer,
'vertex_insert',
Mode.VERTEX_INSERT,
"activate_vertex_insert_mode",
)
self.vertex_remove_button = _radio_button(
layer,
'vertex_remove',
Mode.VERTEX_REMOVE,
"activate_vertex_remove_mode",
)
self.move_front_button = QtModePushButton(
layer,
'move_front',
slot=self.layer.move_to_front,
tooltip=trans._('Move to front'),
)
action_manager.bind_button(
'napari:move_shapes_selection_to_front', self.move_front_button
)
self.move_back_button = QtModePushButton(
layer,
'move_back',
slot=self.layer.move_to_back,
tooltip=trans._('Move to back'),
)
action_manager.bind_button(
'napari:move_shapes_selection_to_back', self.move_back_button
)
self.delete_button = QtModePushButton(
layer,
'delete_shape',
slot=self.layer.remove_selected,
tooltip=trans._(
"Delete selected shapes ({shortcut})",
shortcut=Shortcut('Backspace').platform,
),
)
self.button_group = QButtonGroup(self)
self.button_group.addButton(self.select_button)
self.button_group.addButton(self.direct_button)
self.button_group.addButton(self.panzoom_button)
self.button_group.addButton(self.rectangle_button)
self.button_group.addButton(self.ellipse_button)
self.button_group.addButton(self.line_button)
self.button_group.addButton(self.path_button)
self.button_group.addButton(self.polygon_button)
self.button_group.addButton(self.vertex_insert_button)
self.button_group.addButton(self.vertex_remove_button)
button_grid = QGridLayout()
button_grid.addWidget(self.vertex_remove_button, 0, 2)
button_grid.addWidget(self.vertex_insert_button, 0, 3)
button_grid.addWidget(self.delete_button, 0, 4)
button_grid.addWidget(self.direct_button, 0, 5)
button_grid.addWidget(self.select_button, 0, 6)
button_grid.addWidget(self.panzoom_button, 0, 7)
button_grid.addWidget(self.move_back_button, 1, 1)
button_grid.addWidget(self.move_front_button, 1, 2)
button_grid.addWidget(self.ellipse_button, 1, 3)
button_grid.addWidget(self.rectangle_button, 1, 4)
button_grid.addWidget(self.polygon_button, 1, 5)
button_grid.addWidget(self.line_button, 1, 6)
button_grid.addWidget(self.path_button, 1, 7)
button_grid.setContentsMargins(5, 0, 0, 5)
button_grid.setColumnStretch(0, 1)
button_grid.setSpacing(4)
self.faceColorEdit = QColorSwatchEdit(
initial_color=self.layer.current_face_color,
tooltip=trans._('click to set current face color'),
)
self._on_current_face_color_change()
self.edgeColorEdit = QColorSwatchEdit(
initial_color=self.layer.current_edge_color,
tooltip=trans._('click to set current edge color'),
)
self._on_current_edge_color_change()
self.faceColorEdit.color_changed.connect(self.changeFaceColor)
self.edgeColorEdit.color_changed.connect(self.changeEdgeColor)
text_disp_cb = QCheckBox()
text_disp_cb.setToolTip(trans._('toggle text visibility'))
text_disp_cb.setChecked(self.layer.text.visible)
text_disp_cb.stateChanged.connect(self.change_text_visibility)
self.textDispCheckBox = text_disp_cb
# grid_layout created in QtLayerControls
# addWidget(widget, row, column, [row_span, column_span])
self.grid_layout.addLayout(button_grid, 0, 0, 1, 2)
self.grid_layout.addWidget(QLabel(trans._('opacity:')), 1, 0)
self.grid_layout.addWidget(self.opacitySlider, 1, 1)
self.grid_layout.addWidget(QLabel(trans._('edge width:')), 2, 0)
self.grid_layout.addWidget(self.widthSlider, 2, 1)
self.grid_layout.addWidget(QLabel(trans._('blending:')), 3, 0)
self.grid_layout.addWidget(self.blendComboBox, 3, 1)
self.grid_layout.addWidget(QLabel(trans._('face color:')), 4, 0)
self.grid_layout.addWidget(self.faceColorEdit, 4, 1)
self.grid_layout.addWidget(QLabel(trans._('edge color:')), 5, 0)
self.grid_layout.addWidget(self.edgeColorEdit, 5, 1)
self.grid_layout.addWidget(QLabel(trans._('display text:')), 6, 0)
self.grid_layout.addWidget(self.textDispCheckBox, 6, 1)
self.grid_layout.setRowStretch(7, 1)
self.grid_layout.setColumnStretch(1, 1)
self.grid_layout.setSpacing(4)
class SliderSpinBox(QWidget):
valueChanged = Signal(float)
def __init__(self, parent=None, value_range=(0, 100), slider_steps=100, spinbox_steps=1000, decimals=None):
QWidget.__init__(self, parent)
layout = QHBoxLayout(self)
self.setLayout(layout)
self.horizontalSlider = QSlider(Qt.Horizontal, self)
self.doubleSpinBox = QDoubleSpinBox(self)
self.decimals = decimals
layout.setMargin(0)
layout.addWidget(self.doubleSpinBox)
layout.addWidget(self.horizontalSlider)
self.doubleSpinBox.valueChanged.connect(self.spinbox_changed)
self.horizontalSlider.valueChanged.connect(self.slider_changed)
self.wt = []
self.changer = None
self.slider_steps = slider_steps
self.horizontalSlider.setMaximum(slider_steps)
self.spinbox_steps = spinbox_steps
self.set_range(value_range)
def set_value(self, value):
self.doubleSpinBox.setValue(value)
value = property(lambda self: self.doubleSpinBox.value(), set_value)
def set_range(self, value_range):
self.changer = "set_range"
spinbox_step_decimal = np.ceil(np.log10(1. / (float(value_range[1] - value_range[0]) / self.spinbox_steps)))
self.slider_decimals = int(np.ceil(np.log10(self.slider_steps) - np.log10(value_range[1] - value_range[0])))
if self.decimals is None:
self.doubleSpinBox.setDecimals(spinbox_step_decimal + 1)
else:
self.doubleSpinBox.setDecimals(self.decimals)
spinbox_step_decimal = min(self.decimals, spinbox_step_decimal)
self.slider_decimals = min(self.decimals, self.slider_decimals)
self.doubleSpinBox.setSingleStep(10 ** -spinbox_step_decimal)
self.value_range = value_range
self.doubleSpinBox.setMinimum(value_range[0])
self.doubleSpinBox.setMaximum(value_range[1])
self.horizontalSlider.setValue(np.floor(value_range[0]))
self.changer = None
self.doubleSpinBox.setValue(value_range[0])
def range(self):
return self.doubleSpinBox.minimum(), self.doubleSpinBox.maximum()
def slider_changed(self, value):
if self.changer is None:
self.changer = 'slider'
value = np.round(value * (self.value_range[1] - self.value_range[0]) / self.slider_steps + self.value_range[0], self.slider_decimals)
self.doubleSpinBox.setValue(value)
self.changer = None
self.value_changed(value)
def spinbox_changed(self, value):
if self.changer is None:
self.changer = 'spinbox'
slider_value = .5 + (value - self.value_range[0]) * self.slider_steps / (self.value_range[1] - self.value_range[0])
self.horizontalSlider.setValue(slider_value)
self.changer = None
self.value_changed(value)
@postpone_until_last_call_finishes
def value_changed(self, value):
self.valueChanged.emit(value)
