def __init__(self, parent=None):
super(XZoomSlider, self).__init__(parent)
# define the interface
in_icon = projexui.resources.find('img/zoom_in.png')
out_icon = projexui.resources.find('img/zoom_out.png')
self._zoomInButton = QToolButton(self)
self._zoomInButton.setAutoRaise(True)
self._zoomInButton.setToolTip('Zoom In')
self._zoomInButton.setIcon(QIcon(in_icon))
self._zoomOutButton = QToolButton(self)
self._zoomOutButton.setAutoRaise(True)
self._zoomOutButton.setToolTip('Zoom Out')
self._zoomOutButton.setIcon(QIcon(out_icon))
self._zoomSlider = QSlider(Qt.Horizontal, self)
self._zoomSlider.setRange(10, 100)
self._zoomSlider.setValue(100)
# define the layout
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
layout.addWidget(self._zoomOutButton)
layout.addWidget(self._zoomSlider)
layout.addWidget(self._zoomInButton)
self.setLayout(layout)
# create connections
self._zoomSlider.valueChanged.connect(self.emitZoomAmountChanged)
self._zoomInButton.clicked.connect(self.zoomIn)
self._zoomOutButton.clicked.connect(self.zoomOut)
class XZoomSlider(QWidget):
zoomAmountChanged = Signal(int)
def __init__(self, parent=None):
super(XZoomSlider, self).__init__(parent)
# define the interface
in_icon = projexui.resources.find('img/zoom_in.png')
out_icon = projexui.resources.find('img/zoom_out.png')
self._zoomInButton = QToolButton(self)
self._zoomInButton.setAutoRaise(True)
self._zoomInButton.setToolTip('Zoom In')
self._zoomInButton.setIcon(QIcon(in_icon))
self._zoomOutButton = QToolButton(self)
self._zoomOutButton.setAutoRaise(True)
self._zoomOutButton.setToolTip('Zoom Out')
self._zoomOutButton.setIcon(QIcon(out_icon))
self._zoomSlider = QSlider(Qt.Horizontal, self)
self._zoomSlider.setRange(10, 100)
self._zoomSlider.setValue(100)
# define the layout
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
layout.addWidget(self._zoomOutButton)
layout.addWidget(self._zoomSlider)
layout.addWidget(self._zoomInButton)
self.setLayout(layout)
# create connections
self._zoomSlider.valueChanged.connect(self.emitZoomAmountChanged)
self._zoomInButton.clicked.connect(self.zoomIn)
self._zoomOutButton.clicked.connect(self.zoomOut)
def emitZoomAmountChanged(self):
"""
Emits the current zoom amount, provided the signals are not being
blocked.
"""
if not self.signalsBlocked():
self.zoomAmountChanged.emit(self.zoomAmount())
def maximum(self):
"""
Returns the maximum zoom level for this widget.
:return <int>
"""
return self._zoomSlider.maximum()
def minimum(self):
"""
Returns the minimum zoom level for this widget.
:return <int>
"""
return self._zoomSlider.minimum()
@Slot(int)
def setMaximum(self, maximum):
"""
Sets the maximum zoom level for this widget.
:param maximum | <int>
"""
self._zoomSlider.setMaximum(maximum)
@Slot(int)
def setMinimum(self, minimum):
"""
Sets the minimum zoom level for this widget.
:param minimum | <int>
"""
self._zoomSlider.setMinimum(minimum)
def setZoomStep(self, amount):
"""
Sets how much a single step for the zoom in/out will be.
:param amount | <int>
"""
self._zoomSlider.setPageStep(amount)
@Slot(int)
def setZoomAmount(self, amount):
"""
Sets the zoom amount for this widget to the inputed amount.
:param amount | <int>
"""
self._zoomSlider.setValue(amount)
def zoomAmount(self):
"""
Returns the current zoom amount for this widget.
:return <int>
"""
return self._zoomSlider.value()
@Slot()
def zoomIn(self):
"""
Zooms in by a single page step.
"""
self._zoomSlider.triggerAction(QSlider.SliderPageStepAdd)
def zoomInButton(self):
"""
Returns the zoom in button from the left side of this widget.
:return <QToolButton>
"""
return self._zoomInButton
@Slot()
def zoomOut(self):
"""
Zooms out by a single page step.
"""
self._zoomSlider.triggerAction(QSlider.SliderPageStepSub)
def zoomOutButton(self):
"""
Returns the zoom out button from the right side of this widget.
:return <QToolButton>
"""
return self._zoomOutButton
def zoomSlider(self):
"""
Returns the slider widget of this zoom slider.
:return <QSlider>
"""
return self._zoomSlider
def zoomStep(self):
"""
Returns the amount for a single step when the user clicks the zoom in/
out amount.
:return <int>
"""
return self._zoomSlider.pageStep()
x_maximum = Property(int, maximum, setMaximum)
x_minimum = Property(int, minimum, setMinimum)
z_zoomStep = Property(int, zoomStep, setZoomStep)
