示例#1
0
class SliderWidget(HLayoutMixin, LineEditWidget):
    """
    NumericTypeItem with Slider
    """
    def __init__(self, item, parent_layout):
        super(SliderWidget, self).__init__(item, parent_layout)
        if item.get_prop_value("display", "slider"):
            self.slider = QSlider()
            self.slider.setOrientation(Qt.Horizontal)
            vmin = item.get_prop_value("data", "min")
            vmax = item.get_prop_value("data", "max")
            vstep = item.get_prop_value("data", "step", 1)
            assert vmin is not None and vmax is not None, "SliderWidget requires that NumericTypeItem min/max have been defined"

            self.slider.setRange(0, int((vmax - vmin) / vstep))
            self.convert_value = lambda v: v * vstep + vmin

            self.slider.valueChanged.connect(self.value_changed)
            self.group.addWidget(self.slider)
        else:
            self.slider = None

    def update(self, value):
        """Reimplement LineEditWidget method"""
        LineEditWidget.update(self, value)
        if self.slider is not None and isinstance(value, int):
            self.slider.blockSignals(True)
            self.slider.setValue(int(value))
            self.slider.blockSignals(False)

    def value_changed(self, ivalue):
        """Update the lineedit"""
        value = str(self.convert_value(ivalue))
        self.edit.setText(value)
        self.update(value)
示例#2
0
    def create_slice_dock(self):
        widget = QWidget()
        dock = QDockWidget("Slice", self)
        dock.setAllowedAreas(Qt.TopDockWidgetArea | Qt.BottomDockWidgetArea
                             | Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
        self.addDockWidget(Qt.BottomDockWidgetArea, dock)
        layout = QGridLayout(widget)
        self.slice_index_spin_box = QSpinBox()
        index_max = self.map_.measurement.param.axis3.get_length()
        self.slice_index_spin_box.setRange(0, index_max - 1)

        slice_slider = QSlider(Qt.Horizontal)
        slice_slider.setRange(0, index_max - 1)
        self.connect(self.slice_index_spin_box, SIGNAL("valueChanged(int)"),
                     self.set_slice_index)
        self.connect(slice_slider, SIGNAL("valueChanged(int)"),
                     self.slice_index_spin_box.setValue)
        self.connect(self.slice_index_spin_box, SIGNAL("valueChanged(int)"),
                     slice_slider.setValue)
        self.slice_value_spin_box = QDoubleSpinBox()
        scale = self.map_.measurement.param.axis3.get_scale()
        self.slice_value_spin_box.setRange(scale.min(), scale.max())
        self.slice_value_spin_box.setValue(scale[0])
        self.connect(self.slice_value_spin_box, SIGNAL("valueChanged(double)"),
                     self.set_slice_value)
        unit = self.map_.measurement.param.axis3.unit
        self.slice_value_spin_box.setSuffix(unit)
        layout.addWidget(slice_slider, 0, 0)
        layout.addWidget(self.slice_index_spin_box, 0, 1)
        layout.addWidget(self.slice_value_spin_box, 0, 2)
        dock.setWidget(widget)
示例#3
0
文件: thoth.py 项目: fbianco/thoth
    def create_slice_dock(self):
        widget = QWidget()
        dock = QDockWidget("Slice", self)
        dock.setAllowedAreas(Qt.TopDockWidgetArea | Qt.BottomDockWidgetArea |
                             Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
        self.addDockWidget(Qt.BottomDockWidgetArea, dock)
        layout = QGridLayout(widget)
        self.slice_index_spin_box = QSpinBox()
        index_max = self.map_.measurement.param.axis3.get_length()
        self.slice_index_spin_box.setRange(0, index_max-1 )

        slice_slider = QSlider(Qt.Horizontal)
        slice_slider.setRange(0, index_max-1)
        self.connect(self.slice_index_spin_box, SIGNAL("valueChanged(int)"),
                     self.set_slice_index)
        self.connect(slice_slider, SIGNAL("valueChanged(int)"),
                     self.slice_index_spin_box.setValue)
        self.connect(self.slice_index_spin_box, SIGNAL("valueChanged(int)"),
                     slice_slider.setValue)
        self.slice_value_spin_box = QDoubleSpinBox()
        scale = self.map_.measurement.param.axis3.get_scale()
        self.slice_value_spin_box.setRange(scale.min(),scale.max())
        self.slice_value_spin_box.setValue(scale[0])
        self.connect(self.slice_value_spin_box, SIGNAL("valueChanged(double)"),
                     self.set_slice_value)
        unit = self.map_.measurement.param.axis3.unit
        self.slice_value_spin_box.setSuffix(unit)
        layout.addWidget(slice_slider, 0, 0)
        layout.addWidget(self.slice_index_spin_box, 0, 1)
        layout.addWidget(self.slice_value_spin_box, 0, 2)
        dock.setWidget(widget)
示例#4
0
class SliderWidget(HLayoutMixin, LineEditWidget):
    """
    NumericTypeItem with Slider
    """
    def __init__(self, item, parent_layout):
        super(SliderWidget, self).__init__(item, parent_layout)
        if item.get_prop_value("display", "slider"):
            self.slider = QSlider()
            self.slider.setOrientation(Qt.Horizontal)
            vmin = item.get_prop_value("data", "min")
            vmax = item.get_prop_value("data", "max")
            vstep = item.get_prop_value("data", "step", 1)
            assert vmin is not None and vmax is not None, "SliderWidget requires that NumericTypeItem min/max have been defined"
            
            self.slider.setRange(0, int((vmax-vmin)/vstep))
            self.convert_value = lambda v: v*vstep + vmin
            
            self.slider.valueChanged.connect(self.value_changed)
            self.group.addWidget(self.slider)
        else:
            self.slider = None
        
    def update(self, value):
        """Reimplement LineEditWidget method"""
        LineEditWidget.update(self, value)
        if  self.slider is not None and isinstance(value, int):
            self.slider.blockSignals(True)
            self.slider.setValue(int(value))
            self.slider.blockSignals(False)
            
    def value_changed(self, ivalue):
        """Update the lineedit"""
        value = str(self.convert_value(ivalue))
        self.edit.setText(value)
        self.update(value)
示例#5
0
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)
示例#6
0
文件: fit.py 项目: CaptainAL/Spyder
class FitParam(object):
    def __init__(self, name, value, min, max, logscale=False,
                 steps=5000, format='%.3f', size_offset=0, unit=''):
        self.name = name
        self.value = value
        self.min = min
        self.max = max
        self.logscale = logscale
        self.steps = steps
        self.format = format
        self.unit = unit
        self.prefix_label = None
        self.lineedit = None
        self.unit_label = None
        self.slider = None
        self.button = None
        self._widgets = []
        self._size_offset = size_offset
        self._refresh_callback = None
        self.dataset = FitParamDataSet(title=_("Curve fitting parameter"))
        
    def copy(self):
        """Return a copy of this fitparam"""
        return self.__class__(self.name, self.value, self.min, self.max,
                              self.logscale, self.steps, self.format,
                              self._size_offset, self.unit)
        
    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 add_widgets(self, widgets):
        self._widgets += widgets
        
    def get_widgets(self):
        return self._widgets
        
    def set_scale(self, state):
        self.logscale = state > 0
        self.update_slider_value()
        
    def set_text(self, fmt=None):
        style = "<span style=\'color: #444444\'><b>%s</b></span>"
        self.prefix_label.setText(style % self.name)
        if self.value is None:
            value_str = ''
        else:
            if fmt is None:
                fmt = self.format
            value_str = fmt % self.value
        self.lineedit.setText(value_str)
        self.lineedit.setDisabled(
                            self.value == self.min and self.max == self.min)
        
    def line_editing_finished(self):
        try:
            self.value = float(self.lineedit.text())
        except ValueError:
            self.set_text()
        self.update_slider_value()
        self._refresh_callback()
        
    def slider_value_changed(self, int_value):
        if self.logscale:
            total_delta = np.log10(1+self.max-self.min)
            self.value = self.min+10**(total_delta*int_value/(self.steps-1))-1
        else:
            total_delta = self.max-self.min
            self.value = self.min+total_delta*int_value/(self.steps-1)
        self.set_text()
        self._refresh_callback()
    
    def update_slider_value(self):
        if (self.value is None or self.min is None or self.max is None):
            self.slider.setEnabled(False)
            if self.slider.parent() and self.slider.parent().isVisible():
                self.slider.show()
        elif self.value == self.min and self.max == self.min:
            self.slider.hide()
        else:
            self.slider.setEnabled(True)
            if self.slider.parent() and self.slider.parent().isVisible():
                self.slider.show()
            if self.logscale:
                value_delta = max([np.log10(1+self.value-self.min), 0.])
                total_delta = np.log10(1+self.max-self.min)
            else:
                value_delta = self.value-self.min
                total_delta = self.max-self.min
            intval = int(self.steps*value_delta/total_delta)
            self.slider.blockSignals(True)
            self.slider.setValue(intval)
            self.slider.blockSignals(False)

    def edit_param(self, parent):
        update_dataset(self.dataset, self)
        if self.dataset.edit(parent=parent):
            restore_dataset(self.dataset, self)
            if self.value > self.max:
                self.max = self.value
            if self.value < self.min:
                self.min = self.value
            self.update()

    def update(self, refresh=True):
        self.unit_label.setText(self.unit)
        self.slider.setRange(0, self.steps-1)
        self.update_slider_value()
        self.set_text()
        if refresh:
            self._refresh_callback()
示例#7
0
文件: fit.py 项目: gyenney/Tools
class FitParam(object):
    def __init__(self,
                 name,
                 value,
                 min,
                 max,
                 logscale=False,
                 steps=5000,
                 format='%.3f',
                 size_offset=0,
                 unit=''):
        self.name = name
        self.value = value
        self.min = min
        self.max = max
        self.logscale = logscale
        self.steps = steps
        self.format = format
        self.unit = unit
        self.prefix_label = None
        self.lineedit = None
        self.unit_label = None
        self.slider = None
        self.button = None
        self._widgets = []
        self._size_offset = size_offset
        self._refresh_callback = None
        self.dataset = FitParamDataSet(title=_("Curve fitting parameter"))

    def copy(self):
        """Return a copy of this fitparam"""
        return self.__class__(self.name, self.value, self.min, self.max,
                              self.logscale, self.steps, self.format,
                              self._size_offset, self.unit)

    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 add_widgets(self, widgets):
        self._widgets += widgets

    def get_widgets(self):
        return self._widgets

    def set_scale(self, state):
        self.logscale = state > 0
        self.update_slider_value()

    def set_text(self, fmt=None):
        style = "<span style=\'color: #444444\'><b>%s</b></span>"
        self.prefix_label.setText(style % self.name)
        if self.value is None:
            value_str = ''
        else:
            if fmt is None:
                fmt = self.format
            value_str = fmt % self.value
        self.lineedit.setText(value_str)
        self.lineedit.setDisabled(self.value == self.min
                                  and self.max == self.min)

    def line_editing_finished(self):
        try:
            self.value = float(self.lineedit.text())
        except ValueError:
            self.set_text()
        self.update_slider_value()
        self._refresh_callback()

    def slider_value_changed(self, int_value):
        if self.logscale:
            total_delta = np.log10(1 + self.max - self.min)
            self.value = self.min + 10**(total_delta * int_value /
                                         (self.steps - 1)) - 1
        else:
            total_delta = self.max - self.min
            self.value = self.min + total_delta * int_value / (self.steps - 1)
        self.set_text()
        self._refresh_callback()

    def update_slider_value(self):
        if (self.value is None or self.min is None or self.max is None):
            self.slider.setEnabled(False)
            if self.slider.parent() and self.slider.parent().isVisible():
                self.slider.show()
        elif self.value == self.min and self.max == self.min:
            self.slider.hide()
        else:
            self.slider.setEnabled(True)
            if self.slider.parent() and self.slider.parent().isVisible():
                self.slider.show()
            if self.logscale:
                value_delta = max([np.log10(1 + self.value - self.min), 0.])
                total_delta = np.log10(1 + self.max - self.min)
            else:
                value_delta = self.value - self.min
                total_delta = self.max - self.min
            intval = int(self.steps * value_delta / total_delta)
            self.slider.blockSignals(True)
            self.slider.setValue(intval)
            self.slider.blockSignals(False)

    def edit_param(self, parent):
        update_dataset(self.dataset, self)
        if self.dataset.edit(parent=parent):
            restore_dataset(self.dataset, self)
            if self.value > self.max:
                self.max = self.value
            if self.value < self.min:
                self.min = self.value
            self.update()

    def update(self, refresh=True):
        self.unit_label.setText(self.unit)
        self.slider.setRange(0, self.steps - 1)
        self.update_slider_value()
        self.set_text()
        if refresh:
            self._refresh_callback()