class timer(NodeBase):
def __init__(self, name):
super(timer, self).__init__(name)
self.out = self.createOutputPin("OUT", 'ExecPin')
self.beginPin = self.createInputPin("Begin", 'ExecPin', None,
self.start)
self.stopPin = self.createInputPin("Stop", 'ExecPin', None, self.stop)
self.resetPin = self.createInputPin("Reset", 'ExecPin', None,
self.reset)
self.interval = self.createInputPin("Delta(ms)", 'FloatPin')
self.interval.setDefaultValue(0.2)
self._timer = QTimer()
self._timer.timeout.connect(self.compute)
def kill(self):
self._timer.stop()
self._timer.timeout.disconnect()
NodeBase.kill(self)
@staticmethod
def pinTypeHints():
return {'inputs': ['FloatPin', 'ExecPin'], 'outputs': ['ExecPin']}
def reset(self, *args, **kwargs):
self.stop()
self.start()
def stop(self, *args, **kwargs):
self._timer.stop()
def start(self, *args, **kwargs):
dt = self.interval.getData() * 1000.0
self._timer.start(dt)
@staticmethod
def category():
return 'Utils'
def compute(self, *args, **kwargs):
self.out.call(*args, **kwargs)
class retriggerableDelay(Node, NodeBase):
def __init__(self, name, graph):
super(retriggerableDelay, self).__init__(name, graph)
self.inp0 = self.addInputPin('in0',
DataTypes.Exec,
self.compute,
hideLabel=True)
self.delay = self.addInputPin('Delay(s)', DataTypes.Float)
self.delay.setDefaultValue(0.2)
self.out0 = self.addOutputPin('out0', DataTypes.Exec, hideLabel=True)
self.process = False
self.timer = QTimer()
self.timer.timeout.connect(self.callAndReset)
def kill(self):
self.timer.stop()
self.timer.timeout.disconnect()
Node.kill(self)
@staticmethod
def pinTypeHints():
return {
'inputs': [DataTypes.Exec, DataTypes.Float],
'outputs': [DataTypes.Exec]
}
@staticmethod
def category():
return 'FlowControl'
@staticmethod
def keywords():
return []
@staticmethod
def description():
return 'Delayed call. With ability to reset.'
def callAndReset(self):
self.out0.call()
self.process = False
self.timer.stop()
def restart(self):
delay = self.delay.getData() * 1000.0
self.timer.stop()
self.timer.start(delay)
def compute(self):
self.restart()
class PlotMainWindow(QWidget):
"""Base class for plot main windows."""
def __init__(self, U, plot, length=1, title=None):
super().__init__()
layout = QVBoxLayout()
if title:
title = QLabel('<b>' + title + '</b>')
title.setAlignment(Qt.AlignHCenter)
layout.addWidget(title)
layout.addWidget(plot)
plot.set(U, 0)
if length > 1:
hlayout = QHBoxLayout()
self.slider = QSlider(Qt.Horizontal)
self.slider.setMinimum(0)
self.slider.setMaximum(length - 1)
self.slider.setTickPosition(QSlider.TicksBelow)
hlayout.addWidget(self.slider)
lcd = QLCDNumber(m.ceil(m.log10(length)))
lcd.setDecMode()
lcd.setSegmentStyle(QLCDNumber.Flat)
hlayout.addWidget(lcd)
layout.addLayout(hlayout)
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_play = QAction(self.style().standardIcon(QStyle.SP_MediaPlay), 'Play', self)
self.a_play.setCheckable(True)
self.a_rewind = QAction(self.style().standardIcon(QStyle.SP_MediaSeekBackward), 'Rewind', self)
self.a_toend = QAction(self.style().standardIcon(QStyle.SP_MediaSeekForward), 'End', self)
self.a_step_backward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipBackward),
'Step Back', self)
self.a_step_forward = QAction(self.style().standardIcon(QStyle.SP_MediaSkipForward), 'Step', self)
self.a_loop = QAction(self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop', self)
self.a_loop.setCheckable(True)
toolbar.addAction(self.a_play)
toolbar.addAction(self.a_rewind)
toolbar.addAction(self.a_toend)
toolbar.addAction(self.a_step_backward)
toolbar.addAction(self.a_step_forward)
toolbar.addAction(self.a_loop)
if hasattr(self, 'save'):
self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
toolbar.addAction(self.a_save)
self.a_save.triggered.connect(self.save)
hlayout.addWidget(toolbar)
self.speed = QSlider(Qt.Horizontal)
self.speed.setMinimum(0)
self.speed.setMaximum(100)
hlayout.addWidget(QLabel('Speed:'))
hlayout.addWidget(self.speed)
layout.addLayout(hlayout)
self.timer = QTimer()
self.timer.timeout.connect(self.update_solution)
self.slider.valueChanged.connect(self.slider_changed)
self.slider.valueChanged.connect(lcd.display)
self.speed.valueChanged.connect(self.speed_changed)
self.a_play.toggled.connect(self.toggle_play)
self.a_rewind.triggered.connect(self.rewind)
self.a_toend.triggered.connect(self.to_end)
self.a_step_forward.triggered.connect(self.step_forward)
self.a_step_backward.triggered.connect(self.step_backward)
self.speed.setValue(50)
elif hasattr(self, 'save'):
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_save = QAction(self.style().standardIcon(QStyle.SP_DialogSaveButton), 'Save', self)
toolbar.addAction(self.a_save)
hlayout.addWidget(toolbar)
layout.addLayout(hlayout)
self.a_save.triggered.connect(self.save)
self.setLayout(layout)
self.plot = plot
self.U = U
self.length = length
def slider_changed(self, ind):
self.plot.set(self.U, ind)
def speed_changed(self, val):
self.timer.setInterval(val * 20)
def update_solution(self):
ind = self.slider.value() + 1
if ind >= self.length:
if self.a_loop.isChecked():
ind = 0
else:
self.a_play.setChecked(False)
return
self.slider.setValue(ind)
def toggle_play(self, checked):
if checked:
if self.slider.value() + 1 == self.length:
self.slider.setValue(0)
self.timer.start()
else:
self.timer.stop()
def rewind(self):
self.slider.setValue(0)
def to_end(self):
self.a_play.setChecked(False)
self.slider.setValue(self.length - 1)
def step_forward(self):
self.a_play.setChecked(False)
ind = self.slider.value() + 1
if ind == self.length and self.a_loop.isChecked():
ind = 0
if ind < self.length:
self.slider.setValue(ind)
def step_backward(self):
self.a_play.setChecked(False)
ind = self.slider.value() - 1
if ind == -1 and self.a_loop.isChecked():
ind = self.length - 1
if ind >= 0:
self.slider.setValue(ind)
class ToolTipWidget(QWidget, object):
hidden = Signal()
def __init__(self, parent=None):
super(ToolTipWidget, self).__init__(parent)
self._layout = None
self._content = None
self._content_parent = None
self._hide_timer = QTimer(self)
self._init()
def enterEvent(self, event):
if self.hide_delay() > 0:
self._hide_timer.stop()
else:
self.hide()
def hideEvent(self, event):
self._remove_widget()
QTimer.singleShot(0, self.hidden.emit)
def leaveEvent(self, event):
self.hide()
# def paintEvent(self, event):
# painter = QStylePainter(self)
# painter.setClipRegion(event.region())
# option = QStyleOptionFrame()
# option.init(self)
# painter.drawPrimitive(QStyle.PE_PanelTipLabel, option)
# painter.end()
#
# super(ToolTipWidget, self).paintEvent(event)
def show_at(self, pos, content, parent_window=None):
"""
Shows tooltip in given position and with given widget
:param pos: QPoint
:param content: QWidget
:param parent_window: QWindow
"""
parent_window = parent_window or dcc.get_main_window().windowHandle()
self._add_widget(content)
self._show(pos, parent_window)
def show_below(self, rect, content, parent_window=None):
"""
Shows tooltip below given rect and with given content
:param rect: QRect
:param content: QWidget
:param parent_window: QWindow
"""
parent_window = parent_window or dcc.get_main_window().windowHandle()
self._add_widget(content)
margin_size = QSize(
2 * content.style().pixelMetric(QStyle.PM_DefaultTopLevelMargin),
2 * content.style().pixelMetric(QStyle.PM_DefaultTopLevelMargin)
)
content.setMaximumSize(parent_window.screen().geometry().size() - margin_size)
self._show(self._center_below(rect, parent_window.screen()), parent_window)
def hide_delay(self):
"""
Returns timer hide interval
:return: float
"""
return self._hide_timer.interval()
def set_hide_delay(self, hide_delay_interval):
"""
Sets the delay timer value
:param hide_delay_interval: float
"""
self._hide_timer.setInterval(hide_delay_interval)
def hide_later(self):
"""
Hides tooltip if timer is over
"""
if not self.isVisible():
return
if self.hide_delay() > 0:
self._hide_timer.start()
else:
self.hide()
def _init(self):
"""
Internal function that initializes tooltip widget
"""
self.setMouseTracking(True)
self._layout = layouts.VerticalLayout(parent=self)
self._hide_timer.setSingleShot(True)
self._hide_timer.setInterval(500)
self._hide_timer.timeout.connect(self._on_timer_timeout)
# self.setAttribute(Qt.WA_TranslucentBackground)
self.setWindowFlags(Qt.ToolTip | Qt.FramelessWindowHint | Qt.NoDropShadowWindowHint)
def _add_widget(self, widget):
"""
Internal function that adds replaces current contained wiget with the given one
:param widget: QWidget
"""
self._remove_widget()
self._content = widget
self._store_parent()
self._layout.addWidget(self._content)
widget.destroyed.connect(widget.hide)
def _remove_widget(self):
"""
Internal function that removes current contained widget from the tooltip
"""
self._layout.removeWidget(self._content)
self._restore_parent()
def _show(self, pos, parent_window):
if not pos or pos.isNull():
return
offset_pos = QPoint(pos.x() - 5, pos.y() - 5)
self.move(offset_pos)
self.createWinId()
self.windowHandle().setProperty('ENABLE_BLUR_BEHIND_HINT', True)
self.windowHandle().setTransientParent(parent_window)
self.show()
def _store_parent(self):
"""
Internal function that stores parent of current contained widget
"""
if not self._content:
return
self._content_parent = self._content.parent()
def _restore_parent(self):
"""
Internal function that reparent current contained widget to current tooltip parent widget
"""
if not self._content or not self._content_parent:
return
self._content.setParent(self._content_parent)
def _center_below(self, rect, screen):
"""
Internal function that returns a position for the tooltip ensuring that:
1) The content is fully visible
2) The content is not drawn inside rect
:param rect: QRect
:param screen: QScreen
:return: QPoint
"""
size = self.sizeHint()
margin = self.style().pixelMetric(QStyle.PM_ToolTipLabelFrameWidth)
screen_geometry = screen.geometry()
has_room_to_left = (rect.left() - size.width() - margin >= screen_geometry.left())
has_room_to_right = (rect.right() + size.width() + margin <= screen_geometry.right())
has_room_above = (rect.top() - size.height() - margin >= screen_geometry.top())
has_room_below = (rect.bottom() + size.height() + margin <= screen_geometry.bottom())
if not has_room_above and not has_room_below and not has_room_to_left and not has_room_to_right:
return QPoint()
x = 0
y = 0
if has_room_below or has_room_above:
x = max(screen_geometry.left(), rect.center().x() - size.width() / 2)
if x + size.width() >= screen_geometry.right():
x = screen_geometry.right() - size.width() + 1
assert x >= 0
if has_room_below:
y = rect.bottom() + margin
else:
y = rect.top() - size.height() - margin + 1
else:
assert has_room_to_left or has_room_to_right
if has_room_to_right:
x = rect.right() + margin
else:
x = rect.left() - size.width() - margin + 1
# Put tooltip at the bottom of the screen. The x-coordinate has already been adjusted,
# so no overlapping with rect occurs
y = screen_geometry.bottom() - size.height() + 1
return QPoint(x, y)
def _on_timer_timeout(self):
self.hide()
class BaseAnimObject(object):
_glow_pens = {}
for index in range(1, 11):
_glow_pens[index] = [QPen(QColor(0, 255, 0, 12 * index), 1, Qt.SolidLine),
QPen(QColor(0, 255, 0, 5 * index), 3, Qt.SolidLine),
QPen(QColor(0, 255, 0, 2 * index), 5, Qt.SolidLine),
QPen(QColor(0, 255, 0, 25.5 * index), 1, Qt.SolidLine)]
_pens_text = QPen(QColor(202, 207, 210), 1, Qt.SolidLine)
_pens_shadow = QPen(QColor(9, 10, 12), 1, Qt.SolidLine)
_pens_border = QPen(QColor(9, 10, 12), 2, Qt.SolidLine)
_pens_clear = QPen(QColor(0, 0, 0, 0), 1, Qt.SolidLine)
_pens_text_disabled = QPen(QColor(102, 107, 110), 1, Qt.SolidLine)
_pens_shadow_disabled = QPen(QColor(0, 0, 0), 1, Qt.SolidLine)
_brush_clear = QBrush(QColor(0, 0, 0, 0))
_brush_border = QBrush(QColor(9, 10, 12))
def __init__(self):
font = QFont()
font.setPointSize(8)
font.setFamily("Calibri")
self.setFont(font)
self._hover = False
self._glow_index = 0
self._anim_timer = QTimer()
self._anim_timer.timeout.connect(self._animate_glow)
def enterEvent(self, event):
super(self.__class__, self).enterEvent(event)
if not self.isEnabled():
return
self._hover = True
self._start_anim()
def leaveEvent(self, event):
super(self.__class__, self).leaveEvent(event)
if not self.isEnabled():
return
self._hover = False
self._start_anim()
def _animate_glow(self):
if self._hover:
if self._glow_index >= 10:
self._glow_index = 10
self._anim_timer.stop()
else:
self._glow_index += 1
else:
if self._glow_index <= 0:
self._glow_index = 0
self._anim_timer.stop()
else:
self._glow_index -= 1
dcc.execute_deferred(self.update)
def _start_anim(self):
if self._anim_timer.isActive():
return
self._anim_timer.start(20)
class PlotMainWindow(QWidget):
"""Base class for plot main windows."""
def __init__(self, U, plot, length=1, title=None):
super().__init__()
layout = QVBoxLayout()
if title:
title = QLabel('<b>' + title + '</b>')
title.setAlignment(Qt.AlignHCenter)
layout.addWidget(title)
layout.addWidget(plot)
plot.set(U, 0)
if length > 1:
hlayout = QHBoxLayout()
self.slider = QSlider(Qt.Horizontal)
self.slider.setMinimum(0)
self.slider.setMaximum(length - 1)
self.slider.setTickPosition(QSlider.TicksBelow)
hlayout.addWidget(self.slider)
lcd = QLCDNumber(m.ceil(m.log10(length)))
lcd.setDecMode()
lcd.setSegmentStyle(QLCDNumber.Flat)
hlayout.addWidget(lcd)
layout.addLayout(hlayout)
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_play = QAction(
self.style().standardIcon(QStyle.SP_MediaPlay), 'Play',
self)
self.a_play.setCheckable(True)
self.a_rewind = QAction(
self.style().standardIcon(QStyle.SP_MediaSeekBackward),
'Rewind', self)
self.a_toend = QAction(
self.style().standardIcon(QStyle.SP_MediaSeekForward),
'End', self)
self.a_step_backward = QAction(
self.style().standardIcon(QStyle.SP_MediaSkipBackward),
'Step Back', self)
self.a_step_forward = QAction(
self.style().standardIcon(QStyle.SP_MediaSkipForward),
'Step', self)
self.a_loop = QAction(
self.style().standardIcon(QStyle.SP_BrowserReload), 'Loop',
self)
self.a_loop.setCheckable(True)
toolbar.addAction(self.a_play)
toolbar.addAction(self.a_rewind)
toolbar.addAction(self.a_toend)
toolbar.addAction(self.a_step_backward)
toolbar.addAction(self.a_step_forward)
toolbar.addAction(self.a_loop)
if hasattr(self, 'save'):
self.a_save = QAction(
self.style().standardIcon(QStyle.SP_DialogSaveButton),
'Save', self)
toolbar.addAction(self.a_save)
self.a_save.triggered.connect(self.save)
hlayout.addWidget(toolbar)
self.speed = QSlider(Qt.Horizontal)
self.speed.setMinimum(0)
self.speed.setMaximum(100)
hlayout.addWidget(QLabel('Speed:'))
hlayout.addWidget(self.speed)
layout.addLayout(hlayout)
self.timer = QTimer()
self.timer.timeout.connect(self.update_solution)
self.slider.valueChanged.connect(self.slider_changed)
self.slider.valueChanged.connect(lcd.display)
self.speed.valueChanged.connect(self.speed_changed)
self.a_play.toggled.connect(self.toggle_play)
self.a_rewind.triggered.connect(self.rewind)
self.a_toend.triggered.connect(self.to_end)
self.a_step_forward.triggered.connect(self.step_forward)
self.a_step_backward.triggered.connect(self.step_backward)
self.speed.setValue(50)
elif hasattr(self, 'save'):
hlayout = QHBoxLayout()
toolbar = QToolBar()
self.a_save = QAction(
self.style().standardIcon(QStyle.SP_DialogSaveButton),
'Save', self)
toolbar.addAction(self.a_save)
hlayout.addWidget(toolbar)
layout.addLayout(hlayout)
self.a_save.triggered.connect(self.save)
self.setLayout(layout)
self.plot = plot
self.U = U
self.length = length
def slider_changed(self, ind):
self.plot.set(self.U, ind)
def speed_changed(self, val):
self.timer.setInterval(val * 20)
def update_solution(self):
ind = self.slider.value() + 1
if ind >= self.length:
if self.a_loop.isChecked():
ind = 0
else:
self.a_play.setChecked(False)
return
self.slider.setValue(ind)
def toggle_play(self, checked):
if checked:
if self.slider.value() + 1 == self.length:
self.slider.setValue(0)
self.timer.start()
else:
self.timer.stop()
def rewind(self):
self.slider.setValue(0)
def to_end(self):
self.a_play.setChecked(False)
self.slider.setValue(self.length - 1)
def step_forward(self):
self.a_play.setChecked(False)
ind = self.slider.value() + 1
if ind == self.length and self.a_loop.isChecked():
ind = 0
if ind < self.length:
self.slider.setValue(ind)
def step_backward(self):
self.a_play.setChecked(False)
ind = self.slider.value() - 1
if ind == -1 and self.a_loop.isChecked():
ind = self.length - 1
if ind >= 0:
self.slider.setValue(ind)
class ToastWidget(QLabel, object):
"""
Toast widget used to show quick messages to user
"""
DEFAULT_DURATION = 500
DEFAULT_PADDING = 30
def __init__(self, *args):
super(ToastWidget, self).__init__(*args)
self._timer = QTimer(self)
self._timer.setSingleShot(True)
self._timer.timeout.connect(self._on_fade_out)
self._duration = self.DEFAULT_DURATION
self.setMouseTracking(True)
self.setAlignment(Qt.AlignCenter)
self.setAttribute(Qt.WA_TransparentForMouseEvents)
if self.parent():
self.parent().installEventFilter(self)
# def eventFilter(self, obj, event):
# """
# Overrides base QLabel eventFilter function
# Updates the geometry when the parent widget changes size
# :param obj: QWidget
# :param event: QEvent
# """
#
# if event.type() == QEvent.Resize:
# self.updateGeometry()
# return super(ToastWidget, self).eventFilter(obj, event)
def updateGeometry(self):
"""
Overrides base QLabel updateGeometry function
Updates and aligns the geometry to the parent widget
"""
padding = self.DEFAULT_PADDING
widget = self.parent()
width = self.text_width() + padding
height = self.text_height() + padding
x = widget.width() * 0.5 - width * 0.5
y = (widget.height() - height) / 1.2
self.setGeometry(x, y, width, height)
def setText(self, *args, **kwargs):
"""
Overrides base QLabel setText function
Updates the size depending on the text width
:param text: str
"""
super(ToastWidget, self).setText(*args, **kwargs)
self.updateGeometry()
def show(self):
"""
Overrides base QLabel show function
Starts the timer to hide the toast
"""
duration = self.duration()
self._timer.stop()
self._timer.start(duration)
if not self.isVisible():
animation.fade_in_widget(self, duration=0)
super(ToastWidget, self).show()
def duration(self):
"""
Returns duration
:return: int
"""
return self._duration
def set_duration(self, duration):
"""
Sets how long to show the toast (in milliseconds)
:param duration: int
"""
self._duration = duration
def text_rect(self):
"""
Returns the bounding box rect for the text
:return: QRect
"""
text = self.text()
font = self.font()
metrics = QFontMetricsF(font)
return metrics.boundingRect(text)
def text_width(self):
"""
Returns the width of the text
:return: int
"""
text_width = self.text_rect().width()
return max(0, text_width)
def text_height(self):
"""
Returns the height of the text
:return: int
"""
text_height = self.text_rect().height()
return max(0, text_height)
def _on_fade_out(self, duration=250):
"""
Internal callback function that fades out the toast message
:param duration: int
"""
animation.fade_out_widget(self,
duration=duration,
on_finished=self.hide)
class ImageSequence(QObject, object):
DEFAULT_FPS = 24
frameChanged = Signal(int)
def __init__(self, path, *args):
super(ImageSequence, self).__init__(*args)
self._fps = self.DEFAULT_FPS
self._timer = None
self._frame = 0
self._frames = list()
self._dirname = None
self._paused = False
if path:
self.set_dirname(path)
def set_path(self, path):
"""
Sets s single frame image sequence
:param path: str
"""
if not path:
return
if os.path.isfile(path):
self._frame = 0
self._frames = [path]
elif os.path.isdir(path):
self.set_dirname(path)
def dirname(self):
"""
Return the location to the image sequence in disk
:return: str
"""
return self._dirname
def set_dirname(self, dirname):
"""
Set the location where image sequence files are located
:param dirname: str
"""
def natural_sort_items(items):
"""
Sort the given list in the expected way
:param items: list(str)
"""
def _convert(text):
return int(text) if text.isdigit() else text
def _alphanum_key(key):
return [_convert(c) for c in re.split('([0-9]+)', key)]
items.sort(key=_alphanum_key)
self._dirname = dirname
if os.path.isdir(dirname):
self._frames = [
dirname + '/' + filename for filename in os.listdir(dirname)
]
natural_sort_items(self._frames)
def first_frame(self):
"""
Returns the path of the first frame of the sequence
:return: str
"""
if not self._frames:
return ''
return self._frames[0]
def start(self):
"""
Starts the image sequence
"""
self.reset()
if self._timer:
self._timer.start(1000.0 / self._fps)
def pause(self):
"""
Pause image sequence
"""
self._paused = True
if self._timer:
self._timer.stop()
def resume(self):
"""
Play image sequence after Pause
"""
if self._paused:
self._paused = False
if self._timer:
self._timer.start()
def stop(self):
"""
Stop the image sequence
"""
if self._timer:
self._timer.stop()
def reset(self):
"""
Stop and reset the current frame to 0
"""
if not self._timer:
self._timer = QTimer(self.parent())
self._timer.setSingleShot(False)
self._timer.timeout.connect(self._on_frame_changed)
if not self._paused:
self._frame = 0
self._timer.stop()
def frames(self):
"""
Return all the filenames in the image sequence
:return: list(str)
"""
return self._frames
def percent(self):
"""
Return the current frame position as a percentage
:return: float
"""
if len(self._frames) == self._frame + 1:
_percent = 1
else:
_percent = float(
(len(self._frames) + self._frame)) / len(self._frames) - 1
return _percent
def frame_count(self):
"""
Returns the number of frames
:return: int
"""
return len(self._frames)
def current_frame_number(self):
"""
Returns the current frame
:return: int
"""
return self._frame
def current_filename(self):
"""
Returns the current file name
:return: str
"""
try:
return self._frames[self.current_frame_number()]
except IndexError:
pass
def current_icon(self):
"""
Returns the current frames as QIcon
:return: QIcon
"""
return QIcon(self.current_filename())
def current_pixmap(self):
"""
Returns the current frame as QPixmap
:return: QPixmap
"""
return QPixmap(self.current_filename())
def jump_to_frame(self, frame):
"""
Set the current frame
:param frame: int
"""
if frame >= self.frame_count():
frame = 0
self._frame = frame
self.frameChanged.emit(frame)
def _on_frame_changed(self):
"""
Internal callback function that is called when the current frame changes
"""
if not self._frames:
return
frame = self._frame
frame += 1
self.jump_to_frame(frame)
class SliderPanel(base.BaseWidget, object):
"""
Panel that slides in from the edge of the window
"""
closed = Signal()
closeButtonClicked = Signal()
def __init__(self,
title,
position=SliderPanelPositions.RIGHT,
closable=True,
parent=None):
self._title = title
self._position = position
self._closable = closable
self._is_first_close = True
super(SliderPanel, self).__init__(parent)
self.setObjectName('sliderPanel')
self.setWindowFlags(Qt.Popup)
self.setAttribute(Qt.WA_StyledBackground)
self._close_timer = QTimer(self)
self._close_timer.setInterval(300)
self._close_timer.setSingleShot(True)
self._close_timer.timeout.connect(self.close)
self._close_timer.timeout.connect(self.closed.emit)
self._pos_anim = QPropertyAnimation(self)
self._pos_anim.setTargetObject(self)
self._pos_anim.setEasingCurve(QEasingCurve.OutCubic)
self._pos_anim.setDuration(300)
self._pos_anim.setPropertyName(b'pos')
self._opacity_anim = QPropertyAnimation()
self._opacity_anim.setTargetObject(self)
self._opacity_anim.setDuration(300)
self._opacity_anim.setEasingCurve(QEasingCurve.OutCubic)
self._opacity_anim.setPropertyName(b'windowOpacity')
self._opacity_anim.setStartValue(0.0)
self._opacity_anim.setEndValue(1.0)
# =================================================================================================================
# PROPERTIES
# =================================================================================================================
@property
def position(self):
"""
Returns the placement of the panel in parent window
:return: str
"""
return self._position
@position.setter
def position(self, value):
"""
Sets the position of the panel in parent window ('top', 'right', 'bottom' or 'left').
:param value: str
"""
self._position = value
if value in [SliderPanelPositions.BOTTOM, SliderPanelPositions.TOP]:
self.setFixedHeight(200)
else:
self.setFixedWidth(200)
# =================================================================================================================
# OVERRIDES
# =================================================================================================================
def ui(self):
super(SliderPanel, self).ui()
self._title_label = label.BaseLabel(parent=self).h4()
self._title_label.setText(self._title)
self._close_btn = buttons.BaseToolButton(
parent=self).icon_only().image('close', theme='window').small()
self._close_btn.setVisible(self._closable or False)
title_layout = layouts.HorizontalLayout()
title_layout.addWidget(self._title_label)
title_layout.addStretch()
title_layout.addWidget(self._close_btn)
self._button_layout = layouts.HorizontalLayout()
self._button_layout.addStretch()
self._scroll_area = QScrollArea()
self.main_layout.addLayout(title_layout)
self.main_layout.addWidget(dividers.Divider())
self.main_layout.addWidget(self._scroll_area)
self.main_layout.addWidget(dividers.Divider())
self.main_layout.addLayout(self._button_layout)
def setup_signals(self):
self._close_btn.clicked.connect(self.close)
self._close_btn.clicked.connect(self.closeButtonClicked.emit)
def show(self):
self._update_position()
self._fade_in()
return super(SliderPanel, self).show()
def closeEvent(self, event):
if self._is_first_close:
self._is_first_close = False
self._close_timer.stop()
self._fade_out()
self.closed.emit()
event.ignore()
else:
event.accept()
# =================================================================================================================
# BASE
# =================================================================================================================
def set_widget(self, widget):
"""
Sets the widget that will be contained inside the panel
:param widget: QWidget
"""
self._scroll_area.setWidget(widget)
def add_button(self, button):
"""
Adds a new button to the bottom part of the panel
:param button: QPushButton
"""
self._button_layout.addWidget(button)
def left(self):
"""
Sets the panel's placement to left
:return: SliderPanel
"""
self.position = SliderPanelPositions.LEFT
return self
def right(self):
"""
Sets the panel's placement to right
:return: SliderPanel
"""
self.position = SliderPanelPositions.RIGHT
return self
def top(self):
"""
Sets the panel's placement to top
:return: SliderPanel
"""
self.position = SliderPanelPositions.TOP
return self
def bottom(self):
"""
Sets the panel's placement to bottom
:return: SliderPanel
"""
self.position = SliderPanelPositions.BOTTOM
return self
# =================================================================================================================
# INTERNAL
# =================================================================================================================
def _fade_in(self):
"""
Internal function that fades in the panel
"""
self._pos_anim.start()
self._opacity_anim.start()
def _fade_out(self):
"""
Internal function that fades out the panel
"""
self._pos_anim.setDirection(QAbstractAnimation.Backward)
self._pos_anim.start()
self._opacity_anim.setDirection(QAbstractAnimation.Backward)
self._opacity_anim.start()
def _update_position(self):
"""
Internal function that makes sure that panel is positioned in the proper place
"""
parent = self.parent()
parent_parent = parent.parent()
dcc_win = dcc.get_main_window()
dcc_window = parent_parent == dcc_win
if parent_parent and dcc_win:
dcc_window = dcc_window or parent_parent.objectName(
) == dcc_win.objectName()
parent_geo = parent.geometry()
if self._position == SliderPanelPositions.LEFT:
pos = parent_geo.topLeft() if dcc_window else parent.mapToGlobal(
parent_geo.topLeft())
target_x = pos.x()
target_y = pos.y()
self.setFixedHeight(parent_geo.height())
self._pos_anim.setStartValue(
QPoint(target_x - self.width(), target_y))
self._pos_anim.setEndValue(QPoint(target_x, target_y))
if self._position == SliderPanelPositions.RIGHT:
pos = parent_geo.topRight() if dcc_window else parent.mapToGlobal(
parent_geo.topRight())
self.setFixedHeight(parent_geo.height())
target_x = pos.x() - self.width()
target_y = pos.y()
self._pos_anim.setStartValue(
QPoint(target_x + self.width(), target_y))
self._pos_anim.setEndValue(QPoint(target_x, target_y))
if self._position == SliderPanelPositions.TOP:
pos = parent_geo.topLeft(
) if dcc_window or parent_parent is None else parent.mapToGlobal(
parent_geo.topLeft())
self.setFixedWidth(parent_geo.width())
target_x = pos.x()
target_y = pos.y()
self._pos_anim.setStartValue(
QPoint(target_x, target_y - self.height()))
self._pos_anim.setEndValue(QPoint(target_x, target_y))
if self._position == SliderPanelPositions.BOTTOM:
pos = parent_geo.bottomLeft(
) if dcc_window else parent.mapToGlobal(parent_geo.bottomLeft())
self.setFixedWidth(parent_geo.width())
target_x = pos.x()
target_y = pos.y() - self.height()
self._pos_anim.setStartValue(
QPoint(target_x, target_y + self.height()))
self._pos_anim.setEndValue(QPoint(target_x, target_y))
class BaseLineEdit(QLineEdit, object):
"""
Basic line edit
"""
delayTextChanged = Signal(str)
def __init__(self, text='', input_mode=None, parent=None):
super(BaseLineEdit, self).__init__(text, parent)
self._prefix_widget = None
self._suffix_widget = None
self._size = self.theme_default_size()
self._main_layout = layouts.HorizontalLayout()
self._main_layout.setContentsMargins(0, 0, 0, 0)
self._main_layout.addStretch()
self.setLayout(self._main_layout)
self.setProperty('history', self.property('text'))
self.setTextMargins(2, 0, 2, 0)
if input_mode == 'float':
self.setValidator(QDoubleValidator())
elif input_mode == 'int':
self.setValidator(QIntValidator())
self._delay_timer = QTimer()
self._delay_timer.setInterval(500)
self._delay_timer.setSingleShot(True)
self._delay_timer.timeout.connect(self._on_delay_text_changed)
# =================================================================================================================
# PROPERTIES
# =================================================================================================================
def _get_text(self):
return self.text()
def _set_text(self, value):
with qt_contexts.block_signals(self):
self.setText(value)
def _get_size(self):
"""
Returns the spin box height size
:return: float
"""
return self._size
def _set_size(self, value):
"""
Sets spin box height size
:param value: float
"""
self._size = value
if hasattr(self._prefix_widget, 'theme_size'):
self._prefix_widget.theme_size = self._size
if hasattr(self._suffix_widget, 'theme_size'):
self._suffix_widget.theme_size = self._size
self.style().polish(self)
theme_size = Property(int, _get_size, _set_size)
line_text = Property(str, _get_text, _set_text)
# =================================================================================================================
# OVERRIDES
# =================================================================================================================
def setText(self, text):
"""
Overrides base QLineEdit setText base function.
Save history
:param text: str
"""
self.setProperty('history', '{}\n{}'.format(self.property('history'),
text))
return super(BaseLineEdit, self).setText(text)
def clear(self):
"""
Overrides base QLineEdit clear function
:return:
"""
self.setProperty('history', '')
return super(BaseLineEdit, self).clear()
def keyPressEvent(self, event):
"""
Overrides base QLineEdit keyPressEvent function
:param event: QKeyEvent
"""
if event.key() not in [Qt.Key_Enter, Qt.Key_Tab]:
if self._delay_timer.isActive():
self._delay_timer.stop()
self._delay_timer.start()
super(BaseLineEdit, self).keyPressEvent(event)
# =================================================================================================================
# BASE
# =================================================================================================================
def set_delay_duration(self, ms):
"""
Sets the delay timer duration
:param ms: float
"""
self._delay_timer.setInterval(ms)
def get_prefix_widget(self):
"""
Returns prefix widget for user to edit
:return: QWidget
"""
return self._prefix_widget
def set_prefix_widget(self, widget):
"""
Sets the edit line left start widget
:param widget: QWidget
:return: QWidget
"""
if self._prefix_widget:
index = self._main_layout.indexOf(self._prefix_widget)
self._main_layout.takeAt(index)
self._prefix_widget.setVisible(False)
self._prefix_widget.deleteLater()
widget.setProperty('combine', 'horizontal')
widget.setProperty('position', 'left')
if hasattr(widget, 'theme_size'):
widget.them_size = self.theme_size
margin = self.textMargins()
margin.setLeft(margin.left() + widget.width())
self.setTextMargins(margin)
self._main_layout.insertWidget(0, widget)
self._prefix_widget = widget
return widget
def get_suffix_widget(self):
"""
Returns suffix widget for user to edit
:return: QWidget
"""
return self._suffix_widget
def set_suffix_widget(self, widget):
"""
Sets the edit line right start widget
:param widget: QWidget
:return: QWidget
"""
if self._suffix_widget:
index = self._main_layout.indexOf(self._suffix_widget)
self._main_layout.takeAt(index)
self._suffix_widget.setVisible(False)
self._suffix_widget.deleteLater()
widget.setProperty('combine', 'horizontal')
widget.setProperty('position', 'right')
if hasattr(widget, 'theme_size'):
widget.them_size = self.theme_size
margin = self.textMargins()
margin.setRight(margin.right() + widget.width())
self.setTextMargins(margin)
self._main_layout.addWidget(widget)
self._prefix_widget = widget
return widget
def search(self):
"""
Adds a search icon button for line edit
:return: self
"""
prefix_btn = buttons.BaseToolButton().image('search').icon_only()
suffix_btn = buttons.BaseToolButton().image('close').icon_only()
suffix_btn.clicked.connect(self.clear)
self.set_prefix_widget(prefix_btn)
self.set_suffix_widget(suffix_btn)
self.setPlaceholderText('Enter keyword to search ...')
return self
def search_engine(self, text='Search'):
"""
Adds a search push button to line edit
:param text: str
:return: self
"""
_suffix_btn = buttons.BaseButton(text).primary()
_suffix_btn.clicked.connect(self.returnPressed)
_suffix_btn.setFixedWidth(100)
self.set_suffix_widget(_suffix_btn)
self.setPlaceholderText('Enter keyword to search ...')
return self
def file(self, filters=None):
"""
Adds a ClickBrowserFileToolButton to line edit
:param filters:
:return: self
"""
_suffix_btn = browser.ClickBrowserFileToolButton()
_suffix_btn.fileChanged.connect(self.setText)
_suffix_btn.filters = filters
self.textChanged.connect(_suffix_btn.set_path)
self.set_suffix_widget(_suffix_btn)
self.setPlaceholderText('Click button to browse files')
return self
def save_file(self, filters=None):
"""
Adds a ClickSaveFileToolButton to line edit
:param filters:
:return: self
"""
_suffix_button = browser.ClickSaveFileToolButton()
_suffix_button.fileChanged.connect(self.setText)
_suffix_button.filters = filters or list()
self.textChanged.connect(_suffix_button.set_path)
self.set_suffix_widget(_suffix_button)
self.setPlaceholderText('Click button to set save file')
return self
def folder(self):
"""
Adds a ClickBrowserFileToolButton to line edit
:return: self
"""
_suffix_btn = browser.ClickBrowserFolderToolButton()
_suffix_btn.folderChanged.connect(self.setText)
self.textChanged.connect(_suffix_btn.set_path)
self.set_suffix_widget(_suffix_btn)
self.setPlaceholderText('Click button to browse folder')
return self
def error(self):
"""
Shows error in line edit with red style
:return: self
"""
def _on_show_detail(self):
dlg = QTextEdit(self)
dlg.setReadOnly(True)
geo = QApplication.desktop().screenGeometry()
dlg.setGeometry(geo.width() / 2,
geo.height() / 2,
geo.width() / 4,
geo.height() / 4)
dlg.setWindowTitle('Error Detail Information')
dlg.setText(self.property('history'))
dlg.setWindowFlags(Qt.Dialog)
dlg.show()
self.setProperty('theme_type', 'error')
self.setReadOnly(True)
_suffix_btn = buttons.BaseToolButton().image(
'delete_message').icon_only()
_suffix_btn.clicked.connect(partial(_on_show_detail, self))
self.set_suffix_widget(_suffix_btn)
self.setPlaceholderText('Error information will be here ...')
return self
def tiny(self):
"""
Sets line edit to tiny size
"""
widget_theme = self.theme()
self.theme_size = widget_theme.tiny if widget_theme else theme.Theme.Sizes.TINY
return self
def small(self):
"""
Sets line edit to small size
"""
widget_theme = self.theme()
self.theme_size = widget_theme.small if widget_theme else theme.Theme.Sizes.SMALL
return self
def medium(self):
"""
Sets line edit to medium size
"""
widget_theme = self.theme()
self.theme_size = widget_theme.medium if widget_theme else theme.Theme.Sizes.MEDIUM
return self
def large(self):
"""
Sets line edit to large size
"""
widget_theme = self.theme()
self.theme_size = widget_theme.large if widget_theme else theme.Theme.Sizes.LARGE
return self
def huge(self):
"""
Sets line edit to huge size
"""
widget_theme = self.theme()
self.theme_size = widget_theme.huge if widget_theme else theme.Theme.Sizes.HUGE
return self
def password(self):
"""
Sets line edit password mode
"""
self.setEchoMode(QLineEdit.Password)
return self
# =================================================================================================================
# CALLBACKS
# =================================================================================================================
def _on_delay_text_changed(self):
"""
Internal callback function that is called when delay timer is completed
"""
self.delayTextChanged.emit(self.text())
class StatusWidget(QFrame, object):
DEFAULT_DISPLAY_TIME = 10000 # milliseconds -> 10 seconds
def __init__(self, *args):
super(StatusWidget, self).__init__(*args)
self._status = None
self._blocking = False
self._timer = QTimer(self)
self.setObjectName('StatusWidget')
self.setFrameShape(QFrame.NoFrame)
self.setFixedHeight(19)
self.setMinimumWidth(5)
self._label = label.BaseLabel('', parent=self)
self._label.setStyleSheet('background-color: transparent;')
self._label.setCursor(Qt.IBeamCursor)
self._label.setTextInteractionFlags(Qt.TextSelectableByMouse)
self._label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
self.label_image = label.BaseLabel(parent=self)
self.label_image.setMaximumSize(QSize(17, 17))
self.label_image.hide()
self.main_layout = QHBoxLayout(self)
self.main_layout.setContentsMargins(1, 0, 0, 0)
self.main_layout.addWidget(self.label_image)
self.main_layout.addWidget(self._label)
self.setLayout(self.main_layout)
self._timer.timeout.connect(self._reset)
# Force set to initialize default status Qt property
self.status = ''
def _get_status(self):
return self._status
def _set_status(self, value):
self._status = str(value)
self.polish()
status = Property(str, _get_status, _set_status)
def is_blocking(self):
"""
Returns True if the status widget is blocking, otherwise return False
:return: bool
"""
return self._blocking
def show_ok_message(self, message, msecs=None):
"""
Set an ok message to be displayed in the status widget
:param message: str
:param msecs: int
"""
if self.is_blocking():
return
self.status = 'ok'
icon = resources.icon('ok')
self._show_message(message, icon, msecs)
def show_info_message(self, message, msecs=None):
"""
Set an info message to be displayed in the status widget
:param message: str
:param msecs: int
"""
if self.is_blocking():
return
self.status = 'info'
icon = resources.icon('info')
self._show_message(message, icon, msecs)
def show_warning_message(self, message, msecs=None):
"""
Set a warning message to be displayed in the status widget
:param message: str
:param msecs: int
"""
if self.is_blocking():
return
self.status = 'warning'
icon = resources.icon('warning')
self._show_message(message, icon, msecs)
def show_error_message(self, message, msecs=None):
"""
Set an error message to be displayed in the status widget
:param message: str
:param msecs: int
"""
self.status = 'error'
icon = resources.icon('error', extension='png')
self._show_message(message, icon, msecs, blocking=True)
def _reset(self):
"""
Called when the current animation has finished
"""
self._timer.stop()
self.label_image.setVisible(False)
self._label.setText('')
icon = resources.pixmap('blank')
self.label_image.setPixmap(
icon) if icon else self.label_image.setPixmap(QPixmap())
self.setStyleSheet('')
self._blocking = False
self.status = ''
def _show_message(self, message, icon, msecs=None, blocking=False):
"""
Set the given text to be displayed in the status widget
:param message: str
:param icon: QIcon
:param msecs: int
:param blocking: bool
"""
msecs = msecs or self.DEFAULT_DISPLAY_TIME
self._blocking = blocking
self.label_image.setStyleSheet('border: 0px;')
if icon:
self.label_image.setPixmap(icon.pixmap(QSize(17, 17)))
self.label_image.show()
else:
self.label_image.hide()
if message:
self._label.setText(str(message))
self._timer.stop()
self._timer.start(msecs)
else:
self._reset()
self.update()
