本文整理汇总了Python中qtpy.QtWidgets.QLabel.setSizePolicy方法的典型用法代码示例。如果您正苦于以下问题:Python QLabel.setSizePolicy方法的具体用法?Python QLabel.setSizePolicy怎么用?Python QLabel.setSizePolicy使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qtpy.QtWidgets.QLabel
的用法示例。
在下文中一共展示了QLabel.setSizePolicy方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: PyDMScaleIndicator
# 需要导入模块: from qtpy.QtWidgets import QLabel [as 别名]
# 或者: from qtpy.QtWidgets.QLabel import setSizePolicy [as 别名]
class PyDMScaleIndicator(QFrame, TextFormatter, PyDMWidget):
"""
A bar-shaped indicator for scalar value with support for Channels and
more from PyDM.
Configurable features include indicator type (bar/pointer), scale tick
marks and orientation (horizontal/vertical).
Parameters
----------
parent : QWidget
The parent widget for the Scale
init_channel : str, optional
The channel to be used by the widget.
"""
def __init__(self, parent=None, init_channel=None):
QFrame.__init__(self, parent)
PyDMWidget.__init__(self, init_channel=init_channel)
self._show_value = True
self._show_limits = True
self.scale_indicator = QScale()
self.value_label = QLabel()
self.lower_label = QLabel()
self.upper_label = QLabel()
self.value_label.setText('<val>')
self.lower_label.setText('<min>')
self.upper_label.setText('<max>')
self._value_position = Qt.TopEdge
self._limits_from_channel = True
self._user_lower_limit = 0
self._user_upper_limit = 0
self.value_label.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
self.setup_widgets_for_orientation(Qt.Horizontal, False, False, self._value_position)
def update_labels(self):
"""
Update the limits and value labels with the correct values.
"""
self.lower_label.setText(str(self.scale_indicator._lower_limit))
self.upper_label.setText(str(self.scale_indicator._upper_limit))
self.value_label.setText(self.format_string.format(self.scale_indicator._value))
def value_changed(self, new_value):
"""
Callback invoked when the Channel value is changed.
Parameters
----------
new_val : int or float
The new value from the channel.
"""
super(PyDMScaleIndicator, self).value_changed(new_value)
self.scale_indicator.set_value(new_value)
self.update_labels()
def upperCtrlLimitChanged(self, new_limit):
"""
PyQT Slot for changes on the upper control limit value of the Channel
This slot sends the new limit value to the
```ctrl_limit_changed``` callback.
Parameters
----------
new_limit : float
"""
super(PyDMScaleIndicator, self).upperCtrlLimitChanged(new_limit)
if self.limitsFromChannel:
self.scale_indicator.set_upper_limit(new_limit)
self.update_labels()
def lowerCtrlLimitChanged(self, new_limit):
"""
PyQT Slot for changes on the lower control limit value of the Channel
This slot sends the new limit value to the
```ctrl_limit_changed``` callback.
Parameters
----------
new_limit : float
"""
super(PyDMScaleIndicator, self).lowerCtrlLimitChanged(new_limit)
if self.limitsFromChannel:
self.scale_indicator.set_lower_limit(new_limit)
self.update_labels()
def setup_widgets_for_orientation(self, new_orientation, flipped, inverted,
value_position):
"""
Reconstruct the widget given the orientation.
Parameters
----------
new_orientation : int
Qt.Horizontal or Qt.Vertical
flipped : bool
Indicates if scale tick marks are flipped to the other side
#.........这里部分代码省略.........
示例2: PyDMSlider
# 需要导入模块: from qtpy.QtWidgets import QLabel [as 别名]
# 或者: from qtpy.QtWidgets.QLabel import setSizePolicy [as 别名]
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
#.........这里部分代码省略.........