def __init__(self, maxValue=5, parent=None):
super(SelectionGauge, self).__init__(parent=parent)
self.setWindowFlags(QtCore.Qt.Tool)
self.resize(400,400)
# Don't allow anything less than 1 for the maxValue
self.maxValue = max(maxValue, 1)
self.layout = QtGui.QVBoxLayout(self)
self.layout.setSpacing(20)
self.text = QtGui.QLabel()
self.text.setObjectName("statusText")
self.text.setAlignment(QtCore.Qt.AlignCenter)
self.layout.addWidget(self.text)
self.gauge = GaugeWidget()
sizePolicy = QtGui.QSizePolicy()
sizePolicy.setHorizontalPolicy(QtGui.QSizePolicy.Expanding)
sizePolicy.setVerticalPolicy(QtGui.QSizePolicy.Expanding)
self.gauge.setSizePolicy(sizePolicy)
self.layout.addWidget(self.gauge)
# Qt Stylesheet Reference:
# http://qt-project.org/doc/qt-4.7/stylesheet-reference.html
# Selector Syntax:
# http://doc.qt.digia.com/4.7-snapshot/stylesheet-syntax.html
self.setStyleSheet("""
#statusText {
font-size : 18px;
color : rgb(200,200,220);
}
""")
# Notify us when the scene selection changes
self._sel_cbk_id = om.MEventMessage.addEventCallback(
'SelectionChanged',
self.updateGauge)
# Safely delete the previous callback if this widget gets
# deleted. Otherwise you will see a bunch of errors when it
# tries to fire the callback and the widget is gone.
cbk = partial(om.MMessage.removeCallback, self._sel_cbk_id)
self.destroyed.connect(cbk)
# set up an animation object
self._value_animator = QtCore.QPropertyAnimation(self, "value")
self._value_animator.setDuration(500)
self._value_animator.setStartValue(0.0)
self._value_animator.setEndValue(1.0)
# initialize the gauge to the current scene selection, if any
self.updateGauge()
class SelectionGauge(QtGui.QDialog):
"""
SelectionGauge(QtGui.QDialog)
Uses a Gauge widget to track the current scene selections.
int maxValue - gauge is FULL when this number of characters
are selected (default 5)
"""
def __init__(self, maxValue=5, parent=None):
super(SelectionGauge, self).__init__(parent=parent)
self.setWindowFlags(QtCore.Qt.Tool)
self.resize(400,400)
# Don't allow anything less than 1 for the maxValue
self.maxValue = max(maxValue, 1)
self.layout = QtGui.QVBoxLayout(self)
self.layout.setSpacing(20)
self.text = QtGui.QLabel()
self.text.setObjectName("statusText")
self.text.setAlignment(QtCore.Qt.AlignCenter)
self.layout.addWidget(self.text)
self.gauge = GaugeWidget()
sizePolicy = QtGui.QSizePolicy()
sizePolicy.setHorizontalPolicy(QtGui.QSizePolicy.Expanding)
sizePolicy.setVerticalPolicy(QtGui.QSizePolicy.Expanding)
self.gauge.setSizePolicy(sizePolicy)
self.layout.addWidget(self.gauge)
# Qt Stylesheet Reference:
# http://qt-project.org/doc/qt-4.7/stylesheet-reference.html
# Selector Syntax:
# http://doc.qt.digia.com/4.7-snapshot/stylesheet-syntax.html
self.setStyleSheet("""
#statusText {
font-size : 18px;
color : rgb(200,200,220);
}
""")
# Notify us when the scene selection changes
self._sel_cbk_id = om.MEventMessage.addEventCallback(
'SelectionChanged',
self.updateGauge)
# Safely delete the previous callback if this widget gets
# deleted. Otherwise you will see a bunch of errors when it
# tries to fire the callback and the widget is gone.
cbk = partial(om.MMessage.removeCallback, self._sel_cbk_id)
self.destroyed.connect(cbk)
# set up an animation object
self._value_animator = QtCore.QPropertyAnimation(self, "value")
self._value_animator.setDuration(500)
self._value_animator.setStartValue(0.0)
self._value_animator.setEndValue(1.0)
# initialize the gauge to the current scene selection, if any
self.updateGauge()
@QtCore.pyqtProperty(float)
def value(self):
return self.gauge.value()
@value.setter
def value(self, val):
self.gauge.setValue(val)
def updateGauge(self, *args, **kwargs):
"""
updateGauge()
Checks the current scene selection, and update
both the text label, and the gauge progress.
"""
sel = om.MSelectionList()
om.MGlobal.getActiveSelectionList(sel)
num_selected = sel.length()
self.text.setText("Selected %d out of %d objects" % (num_selected, self.maxValue))
progress = float(num_selected) / self.maxValue
currentVal = self.gauge.value()
# animate from our current value, to our new value
anim = self._value_animator
anim.setStartValue(currentVal)
anim.setEndValue(progress)
anim.start()
