def create_widgets(self, parent, refresh_callback):
self._refresh_callback = refresh_callback
self.prefix_label = QLabel()
font = self.prefix_label.font()
font.setPointSize(font.pointSize() + self._size_offset)
self.prefix_label.setFont(font)
self.button = QPushButton()
self.button.setIcon(get_icon("settings.png"))
self.button.setToolTip(
_("Edit '%s' fit parameter properties") % self.name)
self.button.clicked.connect(lambda: self.edit_param(parent))
self.lineedit = QLineEdit()
self.lineedit.editingFinished.connect(self.line_editing_finished)
self.unit_label = QLabel(self.unit)
self.slider = QSlider()
self.slider.setOrientation(Qt.Horizontal)
self.slider.setRange(0, self.steps - 1)
self.slider.valueChanged.connect(self.slider_value_changed)
self.update(refresh=False)
self.add_widgets([
self.prefix_label,
self.lineedit,
self.unit_label,
self.slider,
self.button,
])
def __init__(self, **kwargs):
super(VideoPlayerWidget, self).__init__(**kwargs)
self._video = None
self._playing = False
self._moving_seekbar = False
self.view = GraphicsView()
self.play_button = QPushButton()
self.play_button.setIcon(get_standard_icon(QStyle.SP_MediaPlay))
self.play_button.clicked.connect(self.on_play_button_clicked)
self.seekbar = QSlider(Qt.Horizontal)
self.seekbar.setMinimum(0)
self.seekbar.setMaximum(0)
self.seekbar.sliderPressed.connect(self.on_seekbar_sliderPressed)
self.seekbar.sliderMoved.connect(self.on_seekbar_sliderMoved)
self.seekbar.sliderReleased.connect(self.on_seekbar_sliderReleased)
self.seekbar.valueChanged.connect(self.on_seekbar_valueChanged)
self.nframes_label = QLabel('----- / -----')
self.update_timer = QTimer(self)
self.update_timer.timeout.connect(self.fetch_frame)
layout = vbox([
self.view,
hbox([self.play_button, self.seekbar, self.nframes_label])
])
self.setLayout(layout)
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)
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)
self.grid_layout.setContentsMargins(0, 0, 0, 0)
self.grid_layout.setSpacing(2)
self.grid_layout.setColumnMinimumWidth(0, 86)
self.grid_layout.setColumnStretch(1, 1)
self.setLayout(self.grid_layout)
sld = QSlider(Qt.Horizontal, parent=self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(100)
sld.setSingleStep(1)
sld.valueChanged.connect(self.changeOpacity)
self.opacitySlider = sld
self._on_opacity_change()
blend_comboBox = QComboBox(self)
blend_comboBox.addItems(Blending.keys())
index = blend_comboBox.findText(
self.layer.blending, Qt.MatchFixedString
)
blend_comboBox.setCurrentIndex(index)
blend_comboBox.activated[str].connect(self.changeBlending)
self.blendComboBox = blend_comboBox
def __init__(self, viewer: Viewer, parent=None):
super().__init__(parent=parent)
# Store reference to viewer and create animation
self.viewer = viewer
self.animation = Animation(self.viewer)
# Initialise User Interface
self.keyframesListControlWidget = KeyFrameListControlWidget(
animation=self.animation, parent=self)
self.keyframesListWidget = KeyFramesListWidget(
self.animation.key_frames, parent=self)
self.frameWidget = FrameWidget(parent=self)
self.saveButton = QPushButton("Save Animation", parent=self)
self.animationSlider = QSlider(Qt.Horizontal, parent=self)
self.animationSlider.setToolTip("Scroll through animation")
self.animationSlider.setRange(0, len(self.animation._frames) - 1)
# Create layout
self.setLayout(QVBoxLayout())
self.layout().addWidget(self.keyframesListControlWidget)
self.layout().addWidget(self.keyframesListWidget)
self.layout().addWidget(self.frameWidget)
self.layout().addWidget(self.saveButton)
self.layout().addWidget(self.animationSlider)
# establish key bindings and callbacks
self._add_keybind_callbacks()
self._add_callbacks()
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)
def __init__(self,
text,
*args,
minimum=1,
maximum=10,
parent=None,
**kwargs):
super(LabeledSlider, self).__init__(parent)
self.label = QLabel(text)
self.slider = QSlider(*args, **kwargs)
self.slider.setMinimum(minimum)
self.slider.setMaximum(maximum)
self.slider.setTickInterval(5)
self.valuebox = QSpinBox()
self.valuebox.setRange(minimum, maximum)
self.valuebox.setValue(self.slider.value())
self.slider.valueChanged.connect(self.valuebox.setValue)
self.valuebox.valueChanged.connect(self.slider.setValue)
layout = QHBoxLayout()
layout.addWidget(self.label)
layout.addWidget(self.slider)
layout.addWidget(self.valuebox)
self.setLayout(layout)
def __init__(self, *args, **kwargs):
#super(QJumpSlider, self).__init__(self, *args, **kwargs)
QSlider.__init__(self, *args, **kwargs)
self.is_forward_obj = False
#self.is_backward_obj = False # two way connection
self.debug = False
self.dtype = None
self.forward_obj = None
class Viewer(QWidget): def __init__(self, video): super().__init__() self.framenum = 0 self.video = video self.label = QLabel(self) self.vidlength = video.shape[0]-1 lisbon = Lisbon() p = self.palette() p.setColor(self.backgroundRole(), Qt.cyan) self.setPalette(p) self.setAutoFillBackground(True) self.initSlider() self.initUI() def initUI(self): #initialise UI self.update() self.slider.setGeometry(10, self.pixmap.height()+10, self.pixmap.width(), 50) self.label.setMargin(10) self.setGeometry(0, 0, self.pixmap.width()+20, (self.pixmap.height()+self.slider.height()*2)) self.slider.valueChanged.connect(self.valuechange) def update(self): #Update displayed image lisbon = Lisbon() self.npimage = self.video[self.framenum] self.image = self.np2qt(self.npimage) self.pixmap = QPixmap(QPixmap.fromImage(self.image)) self.label.setPixmap(self.pixmap) def wheelEvent(self, event): #scroll through slices and go to beginning if reached max self.framenum = self.framenum + int(event.angleDelta().y()/120) if self.framenum > self.vidlength: self.framenum = 0 if self.framenum < 0: self.framenum = self.vidlength self.slider.setValue(self.framenum) self.update() def np2qt(self, image): #transform np cv2 image to qt format height, width, channel = image.shape bytesPerLine = 3 * width return QImage(image.data, width, height, bytesPerLine, QImage.Format_RGB888) def initSlider(self): self.slider = QSlider(Qt.Horizontal, self) self.slider.setMinimum(0) self.slider.setMaximum(self.vidlength) def valuechange(self): self.framenum = self.slider.value() self.update()
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 __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.layout.setContentsMargins(0, 2, 0, 0)
self.name = QLabel(dim_info['name'])
self.units = QLabel(dim_info['units'])
self.x = QPushButton('X')
self.x.setCheckable(True)
self.x.clicked.connect(self.x_clicked)
# square button based on height. Default sizeHint is too large
self.x.setFixedWidth(self.x.sizeHint().height())
self.x.setToolTip("Swap X and Y axes")
self.y = QPushButton('Y')
self.y.setCheckable(True)
self.y.clicked.connect(self.y_clicked)
self.y.setFixedWidth(self.y.sizeHint().height())
self.y.setToolTip("Swap X and Y axes")
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.nbins - 1)
self.slider.valueChanged.connect(self.slider_changed)
self.update_value_from_slider = True
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.set_value(self.spinbox.minimum())
self.update_spinbox(
) # not updated with set_value unless instance of DimensionNonIntegrated
self.spinbox.editingFinished.connect(self.spinbox_changed)
self.layout.addWidget(self.name)
self.button_layout = QHBoxLayout()
self.button_layout.setContentsMargins(0, 0, 0, 0)
self.button_layout.setSpacing(0)
self.button_layout.addWidget(self.x)
self.button_layout.addWidget(self.y)
self.layout.addLayout(self.button_layout)
self.layout.addWidget(self.slider, stretch=1)
self.layout.addStretch(0)
self.layout.addWidget(self.spinbox)
self.layout.addWidget(self.units)
if self.nbins < 2:
state = State.DISABLE
self.set_state(state)
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)
def _init_ui(self):
# Widgets
self._rdb_sum = QRadioButton("Sum")
self._rdb_sum.setChecked(True)
self._rdb_max = QRadioButton("Maximum")
self._rdb_single = QRadioButton("Single")
self._rdb_range = QRadioButton("Range")
self._sld_start = QSlider(Qt.Horizontal)
self._sld_start.setTickPosition(QSlider.TicksBelow)
self._sld_start.setEnabled(False)
self._sld_end = QSlider(Qt.Horizontal)
self._sld_end.setTickPosition(QSlider.TicksBelow)
self._sld_end.setEnabled(False)
self._wdg_imageraster2d = self._create_imageraster2d_widget()
self._wdg_analysis = self._create_analysis1d_widget()
# Layouts
layout = _DatumWidget._init_ui(self)
sublayout = QHBoxLayout()
sublayout.addWidget(self._rdb_sum)
sublayout.addWidget(self._rdb_max)
sublayout.addWidget(self._rdb_single)
sublayout.addWidget(self._rdb_range)
layout.addLayout(sublayout)
sublayout = QFormLayout()
sublayout.setFieldGrowthPolicy(QFormLayout.ExpandingFieldsGrow) # Fix for Mac OS
sublayout.addRow('Channels (Start)', self._sld_start)
sublayout.addRow('Channels (End)', self._sld_end)
layout.addLayout(sublayout)
splitter = QSplitter()
splitter.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
splitter.addWidget(self._wdg_imageraster2d)
splitter.addWidget(self._wdg_analysis)
layout.addWidget(splitter)
# Signals
self._rdb_sum.toggled.connect(self._on_mode_sum)
self._rdb_max.toggled.connect(self._on_mode_max)
self._rdb_single.toggled.connect(self._on_mode_single)
self._rdb_range.toggled.connect(self._on_mode_range)
self._sld_start.valueChanged.connect(self._on_slide_start)
self._sld_end.valueChanged.connect(self._on_slide_end)
self._wdg_imageraster2d.valueSelected.connect(self._on_value_selected)
# Defaults
self.setMode(self.MODE_SUM)
return layout
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)
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.layout.setContentsMargins(0, 2, 0, 0)
self.name = QLabel(dim_info['name'])
self.units = QLabel(dim_info['units'])
self.x = QPushButton('X')
self.x.setFixedSize(26, 26)
self.x.setCheckable(True)
self.x.clicked.connect(self.x_clicked)
self.y = QPushButton('Y')
self.y.setFixedSize(26, 26)
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.button_layout = QHBoxLayout()
self.button_layout.setContentsMargins(0, 0, 0, 0)
self.button_layout.setSpacing(0)
self.button_layout.addWidget(self.x)
self.button_layout.addWidget(self.y)
self.layout.addLayout(self.button_layout)
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 __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)
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
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 initUI(self):
lcd = QLCDNumber(self)
sld = QSlider(Qt.Horizontal, self)
self.lable = QLabel(self.text, self)
btn = QPushButton('bt1', self)
btn2 = QPushButton('bt2', self)
self.lable2 = QLabel(self.pushRecord, self)
hbox = QHBoxLayout()
hbox.addWidget(btn)
hbox.addWidget(btn2)
vbox = QVBoxLayout()
vbox.addWidget(lcd)
vbox.addWidget(sld)
vbox.addWidget(self.lable)
vbox.addLayout(hbox)
vbox.addWidget(self.lable2)
self.setLayout(vbox)
sld.valueChanged.connect(lcd.display) # sldçš„valueä¼šä¼ å…¥display
self.setMouseTracking(True)
btn.clicked.connect(self.buttonClicked)
btn2.clicked.connect(self.buttonClicked)
self.setGeometry(300, 300, 250, 150)
self.setWindowTitle('Event handler')
self.show()
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)
def __init__(self, vpoints: Sequence[VPoint],
path: Sequence[Sequence[Tuple[float, float]]],
monochrome: bool, parent: QWidget):
super(AnimateDialog, self).__init__(parent)
self.setWindowTitle("Animation")
self.setWindowFlags(self.windowFlags() | Qt.WindowMaximizeButtonHint)
self.setMinimumSize(800, 600)
self.setModal(True)
layout = QVBoxLayout(self)
canvas = _DynamicCanvas(vpoints, path, self)
canvas.set_monochrome_mode(monochrome)
layout.addWidget(canvas)
slider = QSlider(Qt.Horizontal, self)
slider.setMaximum(max(len(p) for p in path))
slider.valueChanged.connect(canvas.set_index)
layout.addWidget(slider)
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, 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._ignore_mouse_wheel = False
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._orig_wheel_event = self._slider.wheelEvent
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()
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 __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 __init__(self):
super(QTiffStackView, self).__init__()
#add the image display. This is a subclass of QLabel, where paintEvent is overriden.
self.frame_view = FrameView()
#self.frame_view.setSizePolicy(QSizePolicy.Expanding,QSizePolicy.Expanding)
#add the slide bar which allows the user to manual flick through
self.slideBar = QSlider(Qt.Horizontal)
self.slideBar.setTickPosition(QSlider.TicksAbove)
self.slideBar.setTracking(True)
self.slideBar.setTickInterval(100)
#add a counter which displays the frame which is currently displayed
self.counter = QSpinBox()
self.counter.setSingleStep(1)
self.counter.setRange(self.slideBar.minimum(), self.slideBar.maximum())
#self explanatory
self.play = QPushButton('Play')
#when play button is pressed the timer takes control of the displaying of frames
self.frametimer = QTimer()
frame_rate = 30
self.frametimer.setInterval(frame_rate)
#Add a sublayout to align the slidebar and frame counter next to eachother
slidelyt = QHBoxLayout()
slidelyt.addWidget(self.slideBar)
slidelyt.addWidget(self.counter)
#Add the main layout for the widget
lyt = QVBoxLayout()
lyt.addWidget(self.frame_view)
lyt.addLayout(slidelyt)
lyt.addWidget(self.play)
self.setLayout(lyt)
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
self.layer.events.blending.connect(self._on_blending_change)
self.layer.events.opacity.connect(self._on_opacity_change)
self.setAttribute(Qt.WA_DeleteOnClose)
self.setObjectName('layer')
self.setMouseTracking(True)
self.grid_layout = QGridLayout(self)
self.grid_layout.setContentsMargins(0, 0, 0, 0)
self.grid_layout.setSpacing(2)
self.grid_layout.setColumnMinimumWidth(0, 86)
self.grid_layout.setColumnStretch(1, 1)
self.setLayout(self.grid_layout)
sld = QSlider(Qt.Horizontal, parent=self)
sld.setFocusPolicy(Qt.NoFocus)
sld.setMinimum(0)
sld.setMaximum(100)
sld.setSingleStep(1)
sld.valueChanged.connect(self.changeOpacity)
self.opacitySlider = sld
self._on_opacity_change()
blend_comboBox = QComboBox(self)
for index, (data, text) in enumerate(BLENDING_TRANSLATIONS.items()):
data = data.value
blend_comboBox.addItem(text, data)
if data == self.layer.blending:
blend_comboBox.setCurrentIndex(index)
blend_comboBox.activated[str].connect(self.changeBlending)
self.blendComboBox = blend_comboBox
def initUI(self):
lcd = QLCDNumber(self)
sld = QSlider(Qt.Horizontal, self)
vbox = QVBoxLayout()
vbox.addWidget(lcd)
vbox.addWidget(sld)
self.setLayout(vbox)
sld.valueChanged.connect(lambda x: lcd.display(2**x))
self.setGeometry(300, 300, 250, 150)
self.setWindowTitle('Signal & slot')
self.show()
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 test_library_widget(qtbot):
w = QWidget()
w.setLayout(QHBoxLayout())
l = LibraryWidget()
for i in range(15):
l.add_image(np.random.random((1000, 1000)), f"Sample {i+1}")
s = QSlider()
s.valueChanged.connect(partial(l.set_slice, axis="E"))
w.layout().addWidget(l)
w.layout().addWidget(s)
w.show()
qtbot.addWidget(w)
def test_library_view(qtbot, random_data_catalog):
from xicam.plugins.catalogplugin import CatalogModel
model = CatalogModel(random_data_catalog)
w = QWidget()
w.setLayout(QHBoxLayout())
l = LibraryView(model, slice={"E": 0})
s = QSlider()
s.valueChanged.connect(partial(l.set_slice, axis="E"))
w.layout().addWidget(l)
w.layout().addWidget(s)
w.show()
qtbot.addWidget(w)
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__(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 __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 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, 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 _ImageRaster2DSpectralWidget(_DatumWidget):
MODE_SUM = 'sum'
MODE_MAX = 'max'
MODE_SINGLE = 'single'
MODE_RANGE = 'range'
def __init__(self, controller, datum=None, parent=None):
self._datum = datum
_DatumWidget.__init__(self, ImageRaster2DSpectral, controller,
datum, parent)
def _init_ui(self):
# Widgets
self._rdb_sum = QRadioButton("Sum")
self._rdb_sum.setChecked(True)
self._rdb_max = QRadioButton("Maximum")
self._rdb_single = QRadioButton("Single")
self._rdb_range = QRadioButton("Range")
self._sld_start = QSlider(Qt.Horizontal)
self._sld_start.setTickPosition(QSlider.TicksBelow)
self._sld_start.setEnabled(False)
self._sld_end = QSlider(Qt.Horizontal)
self._sld_end.setTickPosition(QSlider.TicksBelow)
self._sld_end.setEnabled(False)
self._wdg_imageraster2d = self._create_imageraster2d_widget()
self._wdg_analysis = self._create_analysis1d_widget()
# Layouts
layout = _DatumWidget._init_ui(self)
sublayout = QHBoxLayout()
sublayout.addWidget(self._rdb_sum)
sublayout.addWidget(self._rdb_max)
sublayout.addWidget(self._rdb_single)
sublayout.addWidget(self._rdb_range)
layout.addLayout(sublayout)
sublayout = QFormLayout()
sublayout.setFieldGrowthPolicy(QFormLayout.ExpandingFieldsGrow) # Fix for Mac OS
sublayout.addRow('Channels (Start)', self._sld_start)
sublayout.addRow('Channels (End)', self._sld_end)
layout.addLayout(sublayout)
splitter = QSplitter()
splitter.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
splitter.addWidget(self._wdg_imageraster2d)
splitter.addWidget(self._wdg_analysis)
layout.addWidget(splitter)
# Signals
self._rdb_sum.toggled.connect(self._on_mode_sum)
self._rdb_max.toggled.connect(self._on_mode_max)
self._rdb_single.toggled.connect(self._on_mode_single)
self._rdb_range.toggled.connect(self._on_mode_range)
self._sld_start.valueChanged.connect(self._on_slide_start)
self._sld_end.valueChanged.connect(self._on_slide_end)
self._wdg_imageraster2d.valueSelected.connect(self._on_value_selected)
# Defaults
self.setMode(self.MODE_SUM)
return layout
def _create_analysis1d_widget(self):
raise NotImplementedError
def _create_imageraster2d_widget(self):
raise NotImplementedError
def _on_mode_sum(self, checked):
if checked:
self.setMode(self.MODE_SUM)
def _on_mode_max(self, checked):
if checked:
self.setMode(self.MODE_MAX)
def _on_mode_single(self, checked):
if checked:
self.setMode(self.MODE_SINGLE)
def _on_mode_range(self, checked):
if checked:
self.setMode(self.MODE_RANGE)
def _update_data(self, mode=None):
if mode is None:
mode = self.mode()
if mode == self.MODE_SUM:
self._update_mode_sum()
elif mode == self.MODE_MAX:
self._update_mode_max()
elif mode == self.MODE_SINGLE:
self._update_mode_single()
elif mode == self.MODE_RANGE:
self._update_mode_range()
def _update_mode_sum(self):
if self._datum is None:
return
subdatum = np.sum(self._datum, 2)
self._wdg_imageraster2d.setDatum(subdatum)
def _update_mode_max(self):
if self._datum is None:
return
subdatum = np.amax(self._datum, 2)
self._wdg_imageraster2d.setDatum(subdatum)
def _update_mode_single(self):
if self._datum is None:
return
channel = self._sld_start.value()
subdatum = self._datum[:, :, channel]
self._wdg_imageraster2d.setDatum(subdatum)
def _update_mode_range(self):
if self._datum is None:
return
start = self._sld_start.value()
end = self._sld_end.value()
start2 = min(start, end)
end2 = max(start, end)
subdatum = np.sum(self._datum[:, :, start2:end2 + 1], 2)
self._wdg_imageraster2d.setDatum(subdatum)
def _on_slide_start(self, channel):
if self._rdb_single.isChecked():
self._update_mode_single()
elif self._rdb_range.isChecked():
self._update_mode_range()
def _on_slide_end(self, channel):
self._update_mode_range()
def _on_value_selected(self, x, y):
if self._datum is None:
return
subdatum = self._datum[x, y]
self._wdg_analysis.setDatum(subdatum.view(Analysis1D))
def setDatum(self, datum):
_DatumWidget.setDatum(self, datum)
self._datum = datum
maximum = datum.channels - 1 if datum is not None else 0
self._sld_start.setMaximum(maximum)
self._sld_end.setMaximum(maximum)
self._update_data()
def setMode(self, mode):
rsum = rmax = rsingle = rrange = False
sstart = send = False
if mode == self.MODE_SUM:
rsum = True
elif mode == self.MODE_MAX:
rmax = True
elif mode == self.MODE_SINGLE:
rsingle = True
sstart = True
elif mode == self.MODE_RANGE:
rrange = True
sstart = send = True
else:
raise ValueError('Unknown mode')
self._rdb_sum.setChecked(rsum)
self._rdb_max.setChecked(rmax)
self._rdb_single.setChecked(rsingle)
self._rdb_range.setChecked(rrange)
self._sld_start.setEnabled(sstart)
self._sld_end.setEnabled(send)
self._update_data(mode)
def mode(self):
if self._rdb_sum.isChecked():
return self.MODE_SUM
elif self._rdb_max.isChecked():
return self.MODE_MAX
elif self._rdb_single.isChecked():
return self.MODE_SINGLE
elif self._rdb_range.isChecked():
return self.MODE_RANGE
else:
raise ValueError('Unknown mode')
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)
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
