class AnimationControls(QtGui.QWidget):
toggledPlayback = QtCore.Signal(bool)
frameChanged = QtCore.Signal(int)
speedChanged = QtCore.Signal(int)
def __init__(self, parent=None):
super(AnimationControls, self).__init__(parent=parent)
layout = QtGui.QVBoxLayout()
layout.addWidget(header_label("Animation"))
row = QtGui.QHBoxLayout()
smallButton = QtCore.QSize(24, 24)
bigButton = QtCore.QSize(32, 32)
skipBack = QtGui.QPushButton(icon("skipBack.png"), '')
skipBack.setToolTip("Skip to start")
skipBack.setIconSize(smallButton)
skipBack.clicked.connect(self.skipToStart)
row.addWidget(skipBack)
self.skipBack = skipBack
self.scrubber = ToolTipSlider()
self.scrubber.setOrientation(QtCore.Qt.Horizontal)
self.scrubber.valueChanged.connect(self.changeFrame)
scrubber_labeled = LabeledWidget()
scrubber_labeled.widget = self.scrubber
scrubber_labeled.label = "Current Frame"
row.addWidget(scrubber_labeled)
skipForward = QtGui.QPushButton(icon("skipForward.png"), '')
skipForward.setToolTip("Skip to end")
skipForward.setIconSize(smallButton)
skipForward.clicked.connect(self.skipToEnd)
row.addWidget(skipForward)
self.skipForward = skipForward
layout.addLayout(row)
row = QtGui.QHBoxLayout()
stepBack = QtGui.QPushButton(icon("stepBack.png"), "")
stepBack.setIconSize(smallButton)
stepBack.setToolTip("Step one frame backwards")
stepBack.clicked.connect(self.stepBackOne)
self.stepBack = stepBack
row.addWidget(stepBack)
self.playpause = QtGui.QPushButton(icon("play.png"), "")
self.playpause.setToolTip("Play")
self.playpause.setIconSize(bigButton)
self.playpause.setCheckable(True)
self.playpause.clicked.connect(self.togglePlayback)
row.addWidget(self.playpause)
stepForward = QtGui.QPushButton(icon("stepForward.png"), "")
stepForward.setToolTip("Step one frame forward")
stepForward.setIconSize(smallButton)
stepForward.clicked.connect(self.stepForwardOne)
row.addWidget(stepForward)
self.stepForward = stepForward
layout.addLayout(row)
self.speed = ToolTipSlider()
self.speed.setOrientation(QtCore.Qt.Horizontal)
self.speed.valueChanged.connect(self.speedChanged.emit)
speed_labeled = LabeledWidget()
speed_labeled.widget = self.speed
speed_labeled.label = "Frames per Second"
layout.addWidget(speed_labeled)
self.setLayout(layout)
# Starts at frame 0
self.stepBack.setEnabled(False)
self.skipBack.setEnabled(False)
def setMinimumFrame(self, value):
self.scrubber.setMinimum(value)
def setMaximumFrame(self, value):
self.scrubber.setMaximum(value)
def setMinimumSpeed(self, value):
self.speed.setMinimum(value)
def setMaximumSpeed(self, value):
self.speed.setMaximum(value)
def togglePlayback(self, checked=False):
checked = self.playpause.isChecked()
self.toggledPlayback.emit(checked)
if checked:
self.playpause.setIcon(icon("pause.png"))
self.playpause.setToolTip("Pause")
else:
self.playpause.setIcon(icon("play.png"))
self.playpause.setToolTip("Play")
def setEnabled(self, enabled):
super(AnimationControls, self).setEnabled(enabled)
self.skipBack.setEnabled(enabled)
self.skipForward.setEnabled(enabled)
self.stepForward.setEnabled(enabled)
self.stepBack.setEnabled(enabled)
self.scrubber.setEnabled(enabled)
self.speed.setEnabled(enabled)
def setFrame(self, value):
self.scrubber.setValue(value)
def changeFrame(self, value):
self.playpause.setChecked(False)
self.togglePlayback()
if value == self.scrubber.maximum():
self.stepForward.setEnabled(False)
self.skipForward.setEnabled(False)
else:
self.stepForward.setEnabled(True)
self.skipForward.setEnabled(True)
if value == self.scrubber.minimum():
self.stepBack.setEnabled(False)
self.skipBack.setEnabled(False)
else:
self.stepBack.setEnabled(True)
self.skipBack.setEnabled(True)
self.frameChanged.emit(value)
def skipToEnd(self):
self.scrubber.setValue(self.scrubber.maximum())
def skipToStart(self):
self.scrubber.setValue(self.scrubber.minimum())
def stepForwardOne(self):
self.scrubber.setValue(self.scrubber.value() + 1)
def stepBackOne(self):
self.scrubber.setValue(self.scrubber.value() - 1)
def __init__(self, parent=None):
super(AnimationControls, self).__init__(parent=parent)
layout = QtGui.QVBoxLayout()
layout.addWidget(header_label("Animation"))
row = QtGui.QHBoxLayout()
smallButton = QtCore.QSize(24, 24)
bigButton = QtCore.QSize(32, 32)
skipBack = QtGui.QPushButton(icon("skipBack.png"), '')
skipBack.setToolTip("Skip to start")
skipBack.setIconSize(smallButton)
skipBack.clicked.connect(self.skipToStart)
row.addWidget(skipBack)
self.skipBack = skipBack
self.scrubber = ToolTipSlider()
self.scrubber.setOrientation(QtCore.Qt.Horizontal)
self.scrubber.valueChanged.connect(self.changeFrame)
scrubber_labeled = LabeledWidget()
scrubber_labeled.widget = self.scrubber
scrubber_labeled.label = "Current Frame"
row.addWidget(scrubber_labeled)
skipForward = QtGui.QPushButton(icon("skipForward.png"), '')
skipForward.setToolTip("Skip to end")
skipForward.setIconSize(smallButton)
skipForward.clicked.connect(self.skipToEnd)
row.addWidget(skipForward)
self.skipForward = skipForward
layout.addLayout(row)
row = QtGui.QHBoxLayout()
stepBack = QtGui.QPushButton(icon("stepBack.png"), "")
stepBack.setIconSize(smallButton)
stepBack.setToolTip("Step one frame backwards")
stepBack.clicked.connect(self.stepBackOne)
self.stepBack = stepBack
row.addWidget(stepBack)
self.playpause = QtGui.QPushButton(icon("play.png"), "")
self.playpause.setToolTip("Play")
self.playpause.setIconSize(bigButton)
self.playpause.setCheckable(True)
self.playpause.clicked.connect(self.togglePlayback)
row.addWidget(self.playpause)
stepForward = QtGui.QPushButton(icon("stepForward.png"), "")
stepForward.setToolTip("Step one frame forward")
stepForward.setIconSize(smallButton)
stepForward.clicked.connect(self.stepForwardOne)
row.addWidget(stepForward)
self.stepForward = stepForward
layout.addLayout(row)
self.speed = ToolTipSlider()
self.speed.setOrientation(QtCore.Qt.Horizontal)
self.speed.valueChanged.connect(self.speedChanged.emit)
speed_labeled = LabeledWidget()
speed_labeled.widget = self.speed
speed_labeled.label = "Frames per Second"
layout.addWidget(speed_labeled)
self.setLayout(layout)
# Starts at frame 0
self.stepBack.setEnabled(False)
self.skipBack.setEnabled(False)
