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mod_HoverValue.py
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'''
hover UI with one key press that shows knobs to change value
'''
#------------------------------------------------------------------------------
#-Module Import
#------------------------------------------------------------------------------
import nuke, nukescripts
import os, platform
import pprint
from kputl import joinPath
from Qt import QtWidgets, QtGui, QtCore
#------------------------------------------------------------------------------
#-Header
#------------------------------------------------------------------------------
__VERSION__ = '1.0'
__OS__ = platform.system()
__AUTHOR__ = "Tianlun Jiang"
__WEBSITE__ = "jiangovfx.com"
__COPYRIGHT__ = "copyright (c) %s - %s" % (__AUTHOR__, __WEBSITE__)
__TITLE__ = "HoverValue v%s" % __VERSION__
def _version_():
ver='''
version 1.0
- hover UI with one key press that shows knobs to change value
- knobs procedurally generated based on the node class selected
'''
return ver
#-------------------------------------------------------------------------------
#-Global Variables
#-------------------------------------------------------------------------------
# Knob_Class: Qt_Knob
KNOBS_QT = {
'Array_Knob': 'Knob_Array',
'Boolean_Knob': 'Knob_Boolean',
'ChannelMask_Knob': 'Knob_Enumeration',
'Enumeration_Knob': 'Knob_Enumeration',
'PyScript_Knob': 'Knob_PyScript',
'Int_Knob': 'Knob_Int',
'XY_Knob': 'Knob_XY',
'Double_Knob': 'Knob_Array',
'WH_Knob': 'Knob_WH',
'AColor_Knob': 'Knob_AColour'
}
KNOBS_NK = {
'Blur': ['size', 'filter'],
'Grade': ['blackpoint', 'whitepoint', 'black', 'white', 'multiply', 'add', 'gamma'],
'Dilate': ['channels','size'],
'Saturation': ['saturation', 'mode'],
'Defocus': ['defocus', 'ratio'],
'ZDefocus2': ['center', 'dof', 'size', 'max_size'],
'Multiply': ['value'],
'Colorspace': ['colorspace_in', 'colorspace_out'],
'OCIOColorSpace': ['in_colorspace', 'out_colorspace'],
'OCIOLogConvert': ['operation'],
'Log2Lin': ['operation'],
'Merge2': ['operation'],
'ChannelMerge': ['operation'],
'Mirror2': ['flip', 'flop'],
'Shuffle': ['channels'],
'FrameHold': ['first_frame'],
'Dissolve': ['which'],
'Switch': ['which'],
'Transform': ['translate', 'rotate', 'scale', 'invert_matrix']
}
USER_LABEL = {
'EXPTool': [('red', 'stops')],
}
DIR_ICON = joinPath(os.path.dirname(nuke.EXE_PATH), 'plugins', 'icons')
WIDGET_HEIGHT = 20
#------------------------------------------------------------------------------
#-Core Module UI
#------------------------------------------------------------------------------
class Core_HoverValue(QtWidgets.QDialog):
def __init__(self):
super(Core_HoverValue, self).__init__()
# Widgets
self.node_icon = QtWidgets.QLabel()
self.title = QtWidgets.QLabel('<b>HoverValue</b>')
self.btn_showPanel = QtWidgets.QPushButton('Edit in Properties Panel')
self.btn_showPanel.clicked.connect(self.open_ControlPanel)
# Layout
self.layout_title = QtWidgets.QHBoxLayout()
self.layout_title.addWidget(self.node_icon)
self.layout_title.addWidget(self.title)
self.layout_title.addStretch()
self.group_knobs = QtWidgets.QGroupBox()
self.layout_knobs = QtWidgets.QGridLayout()
self.group_knobs.setLayout(self.layout_knobs)
self.layout_master = QtWidgets.QVBoxLayout()
self.layout_master.addLayout(self.layout_title)
self.layout_master.addWidget(self.group_knobs)
self.layout_master.addStretch()
self.layout_master.addWidget(self.btn_showPanel)
self.setLayout(self.layout_master)
self.setWindowTitle('HoverValue v%s' % __VERSION__)
self.setWindowFlags(QtCore.Qt.FramelessWindowHint | QtCore.Qt.WindowStaysOnTopHint | QtCore.Qt.Popup)
self.setDefaults()
# Move window with left click and keep default mouse event
# https://stackoverflow.com/questions/37718329/pyqt5-draggable-frameless-window
#
def mouseMoveEvent(self, event):
super(Core_HoverValue, self).mouseMoveEvent(event)
if self.leftClick == True:
delta = QtCore.QPoint (event.globalPos() - self.oldPos)
#print(delta)
self.move(self.x() + delta.x(), self.y() + delta.y())
self.oldPos = event.globalPos()
def mousePressEvent(self, event):
self.oldPos = event.globalPos()
super(Core_HoverValue, self).mousePressEvent(event)
if event.button() == QtCore.Qt.LeftButton:
self.leftClick = True
def mouseReleaseEvent(self, event):
super(Core_HoverValue, self).mouseReleaseEvent(event)
self.leftClick = False
def keyPressEvent(self, event):
'''override return key pressed'''
# super(Core_HoverValue, self).keyPressEvent(event)
if event.key() == QtCore.Qt.Key_Enter:
pass
# print event.key().name()`
def setDefaults(self):
'''sets default values'''
pass
def run(self):
'''run instant'''
if len(nuke.selectedNodes())>0:
if nuke.selectedNode().Class() not in KNOBS_NK.keys():
nuke.selectedNode().showControlPanel(forceFloat = True)
print("Selected node not in database, show control panel instead")
else:
_sel_node, _ls_knobs = self.get_nuke_knobs()
print _sel_node.name(), _ls_knobs
self.build_qt_knob(_sel_node, _ls_knobs)
self.set_qt_knob(_sel_node, _ls_knobs)
self.move(QtGui.QCursor.pos()+QtCore.QPoint(self.frameGeometry().width()/-2,self.frameGeometry().height()/-2))
self.setFocus()
self.activateWindow()
self.raise_()
self.show()
else:
nuke.message("Please select a node")
def closeEvent(self, event):
self.remove_widgets()
# print "close"
def get_nuke_knobs(self):
'''get the selected node and its knobs
return: (tuple), (obj) node object, (list of str) knob names
'''
_n = nuke.selectedNode()
_nodename = _n.name()
_knobs = KNOBS_NK[_n.Class()]
self.group_knobs.setTitle(_nodename)
self.node_icon.setPixmap(QtGui.QPixmap(joinPath(DIR_ICON, '%s.png' % _n.Class())))
return _n, _knobs
def build_qt_knob(self, node, ls_knobs):
'''build qt widgets base on given nuke knob
@node: (obj) selected node
@ls_knobs: (list of str) list of knobs
'''
self.remove_widgets()
build_string_label = """
{k}_label=Knob_Label('{label}',nuke_knob='{k}')
self.layout_knobs.addWidget({k}_label, {row}, 0)
""".replace('\t','')
build_string_widgets = """
{k}_qtknob={w}(nuke_knob='{k}')
self.layout_knobs.addWidget({k}_qtknob, {row}, 1)
""".replace('\t','')
for row, k in enumerate(ls_knobs):
# _ls_widget = get_qt_knob(node, k)
_this_qt_knob = get_qt_knob(node,k)
LS_NO_LABEL = ['Boolean_Knob']
_this_knob_label = get_knob_label(node,k) if node[k].Class() not in LS_NO_LABEL else ''
# Build label for this row at col=0
exec(build_string_label.format(k=k,label=_this_knob_label,row=row))
exec(build_string_widgets.format(k=k, w=_this_qt_knob, row=row))
knob_resize(self.group_knobs)
def set_qt_knob(self, node, ls_knobs):
'''set initial settings for qt widgets
@node: (obj) node object
@ls_knobs: (list) list of knobs
'''
_thisLayout = self.layout_knobs
dict_qt_knobs = {}
# pair knob and knobWidgets
for k in ls_knobs:
ls_qt_knobs = []
for w in range(_thisLayout.count()):
if _thisLayout.itemAt(w):
_this_qt_knob = _thisLayout.itemAt(w).widget()
if k == _this_qt_knob.nuke_knob and 'label' not in _this_qt_knob.nuke_knob:
# print _this_qt_knob.nuke_knob
ls_qt_knobs.append(_this_qt_knob)
dict_qt_knobs[k]=ls_qt_knobs
# Set Settings
for k in ls_knobs:
_this_knob_class = node.knob(k).Class()
if _this_knob_class in ['Array_Knob', 'AColor_Knob', 'Double_Knob', 'WH_Knob']:
val_knob = node[k].value()
val_min = node[k].min()
val_max = node[k].max()
for w in dict_qt_knobs[k]:
w.set_range(val_min, val_max)
w.set_value(val_knob)
elif _this_knob_class in ['Enumeration_Knob', 'ChannelMask_Knob']:
val_knob = node[k].value()
val_list = node[k].values() if _this_knob_class == 'Enumeration_Knob' else nuke.layers(node)
val_list = [v.split('\t')[0] for v in val_list]
val_list = [v.split('/')[-1] for v in val_list]
val_knob = val_knob.split('\t')[0]
val_knob = val_knob.split('/')[-1]
for w in dict_qt_knobs[k]:
w.set_list(val_list)
w.set_value(val_knob)
else:
val_knob = node[k].value()
for w in dict_qt_knobs[k]:
w.set_value(val_knob)
# pprint.pprint(dict_qt_knobs)
def remove_widgets(self):
'''remove the widgets from layout'''
_thisLayout = self.layout_knobs
for w in range(_thisLayout.count()):
child = _thisLayout.itemAt(w)
if child.widget():
child.widget().deleteLater()
# self.minimumSizeHint()
def open_ControlPanel(self):
'''show given node in property panel'''
_thisNode = nuke.toNode(self.group_knobs.title())
_thisNode.showControlPanel()
self.close()
def print_widgets(self):
'''get all widgets in a layout'''
_thisLayout = self.layout_knobs
for w in range(_thisLayout.count()):
if _thisLayout.itemAt(w):
print(_thisLayout.indexOf(_thisLayout.itemAt(w).widget()), _thisLayout.itemAt(w).widget().nuke_knob)
#-------------------------------------------------------------------------------
#-Supporting Functions
#-------------------------------------------------------------------------------
def get_knob_label(node, knob):
'''get the label of a node with given node and knobname
@node: (obj) node object
@knob: (str) knob in name string
return: (str) label of the node, if none, use node name
'''
_label = node.knob(knob).label()
_thisKnobLabel = _label if _label else knob
# Replace knob_label with user_label
if node.Class() in USER_LABEL.keys():
_user_label = USER_LABEL[node.Class()]
for u in _user_label:
_thisKnobLabel = _thisKnobLabel.replace(*u)
return _thisKnobLabel
def get_qt_knob(node, knob):
'''get the cooresponding qt widget base on given knob and node
@node: (obj) node object
@knob: (str) knob in name string
return: (list of str) list of Qt widget as string
'''
_thisKnobClass = node.knob(knob).Class()
_thisQtKnob = KNOBS_QT[_thisKnobClass]
return _thisQtKnob
def dynamic_decimals(v):
'''dynamically change decimals with given input'''
try:
precision = len(str(v).split('.')[1].rstrip('0')) if v != 0.0 else 0
except:
precision = 0
return int(precision)
def set_nuke_knob(qt_knob,k,v):
'''sets value on nuke knob
@qt_knob: (obj) current qt_knob object
@k: (str) name of the knob
@v: value of the knob
'''
node = nuke.toNode(qt_knob.parent().title())
node[k].setValue(v)
def get_nuke_value(qt_knob,k):
'''gets value of this nuke knob
@qt_knob: (obj) current qt_knob object
@k: (str) name of the knob
@v: value of the knob
return: knob value in its own value type
'''
node = nuke.toNode(qt_knob.parent().title())
return node[k].value()
def knob_resize(w):
'''resize widget when knob_sets is swapped'''
# Only Height
w.setFixedHeight(w.minimumSizeHint().height())
w.topLevelWidget().setFixedHeight(w.topLevelWidget().minimumSizeHint().height())
def rgb2luma(rgba):
'''convert rgba to luma with rec709 algorithem
@rgba: (list) list of rgba values
return: (float) lumanance value
'''
r, g, b, a = rgba
return float(0.2126*r + 0.7152*g + 0.0722*b)
#-------------------------------------------------------------------------------
#-Custom Widgets
#-------------------------------------------------------------------------------
class Knob_Label(QtWidgets.QLabel):
def __init__(self, text, nuke_knob=''):
super(Knob_Label, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob+'_label'
self.Class = 'Knob_Label'
# Instance properties
self.setText(text)
self.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
class Knob_Array(QtWidgets.QWidget):
'''Knob_Slider + Knob_EditBox'''
def __init__(self ,nuke_knob=''):
super(Knob_Array, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob
self.Class = 'Knob_Array'
# Instance properties
self.editbox = Knob_EditBox(self.nuke_knob)
self.slider = Knob_Slider(self.nuke_knob)
self.editbox.editingFinished.connect(self.onChanged)
self.slider.valueChanged.connect(self.onChanged)
self.layout = QtWidgets.QHBoxLayout()
self.layout.addWidget(self.editbox)
self.layout.addWidget(self.slider)
self.layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.layout)
self.setDefaults()
def setDefaults(self):
'''get value from nuke knob when initialized'''
pass
def set_range(self, min, max):
'''set range for slider'''
_precision = self.slider.PRECISION
self.slider.setRange(min*_precision, max*_precision)
def set_value(self, v):
self.slider.set_value(v)
self.editbox.setDecimals(dynamic_decimals(v))
self.editbox.set_value(v)
def onChanged(self):
'''when editbox or slider is edited and change each other values'''
_sender = self.sender()
_v = _sender.get_value()
_dec = dynamic_decimals(_v)
# avoid infinit recursion
if isinstance(_sender, Knob_EditBox):
self.editbox.setDecimals(_dec)
self.slider.set_value(_v)
elif isinstance(_sender, Knob_Slider):
self.editbox.setDecimals(_dec)
self.editbox.set_value(_v)
# Change nuke_knob value
set_nuke_knob(self, self.nuke_knob, _v)
class Knob_XY(QtWidgets.QWidget):
def __init__(self, nuke_knob=''):
super(Knob_XY, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob
self.Class = 'Knob_XY'
# Instance properties
self.knob_x = Knob_EditBox(self.nuke_knob)
# self.knob_x.editingFinished.connect(self.onChanged)
self.knob_x.valueChanged.connect(self.onChanged)
self.knob_y = Knob_EditBox(self.nuke_knob)
# self.knob_y.editingFinished.connect(self.onChanged)
self.knob_y.valueChanged.connect(self.onChanged)
self.layout = QtWidgets.QHBoxLayout()
self.layout.addWidget(QtWidgets.QLabel('x'))
self.layout.addWidget(self.knob_x)
self.layout.addWidget(QtWidgets.QLabel('y'))
self.layout.addWidget(self.knob_y)
self.layout.addStretch()
self.layout.setContentsMargins(0,0,0,0)
self.setLayout(self.layout)
def set_value(self, v):
'''set value x and y'''
# self.knob_x.setDecimals(dynamic_decimals(v[0]))
self.knob_x.set_value(float(v[0]))
# self.knob_y.setDecimals(dynamic_decimals(v[1]))
self.knob_y.set_value(float(v[1]))
def get_value(self):
'''set value x and y
return: (x,y)
'''
return self.knob_x.get_value(), self.knob_y.get_value()
def onChanged(self):
_sender = self.sender()
_v = self.get_value()
# _sender.setDecimals(dynamic_decimals(_sender.get_value()))
# set nuke knob value
set_nuke_knob(self, self.nuke_knob, _v)
class Knob_Enumeration(QtWidgets.QWidget):
def __init__(self, nuke_knob=''):
super(Knob_Enumeration, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob
self.Class = 'Knob_Enumeration'
# Instance properties
arrow = u'\u25b2' if 'out' in self.nuke_knob else u'\u25bc'
self.combobox = QtWidgets.QComboBox()
self.combobox.setMinimumWidth(150)
self.combobox.currentIndexChanged.connect(self.onChanged)
self.swap = QtWidgets.QPushButton(arrow)
self.swap.clicked.connect(self.set_swap)
self.swap.setMaximumWidth(32)
self.layout = QtWidgets.QHBoxLayout()
self.setLayout(self.layout)
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.addWidget(self.combobox)
if 'colorspace' in nuke_knob.lower():
self.layout.addWidget(self.swap)
self.layout.addStretch()
def set_swap(self):
'''swap colorspace with adjsent qt_knob'''
_this_value = self.combobox.currentText()
_ls_qt_knobs =[w for w in self.parent().children() if isinstance(w, self.__class__)]
_value_A = _ls_qt_knobs[0].combobox.currentText()
_value_B = _ls_qt_knobs[1].combobox.currentText()
_ls_qt_knobs[0].set_value(_value_B)
_ls_qt_knobs[1].set_value(_value_A)
def set_list(self, ls):
'''sets dropdown list'''
self.combobox.clear()
self.combobox.addItems(ls)
def set_value(self, i):
'''set current item'''
_idx = self.combobox.findText(i)
self.combobox.setCurrentIndex(_idx)
def onChanged(self):
# set nuke_knob value
_v = self.sender().currentText()
set_nuke_knob(self, self.nuke_knob, str(_v))
class Knob_Channel(QtWidgets.QComboBox):
def __init__(self, nuke_knob=''):
super(Knob_Channel, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob
self.Class = 'Knob_Channel'
# Instance properties
self.combobox = QtWidgets.QComboBox()
self.combobox.setMinimumWidth(150)
self.combobox.currentIndexChanged.connect(self.onChanged)
self.swap = QtWidgets.QPushButton(arrow)
self.swap.clicked.connect(self.set_swap)
self.swap.setMaximumWidth(32)
self.layout = QtWidgets.QHBoxLayout()
self.setLayout(self.layout)
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.addWidget(self.combobox)
def set_list(self, ls):
'''sets dropdown list'''
self.combobox.clear()
self.combobox.addItems(ls)
def set_value(self, i):
'''set current item'''
_idx = self.combobox.findText(i)
self.combobox.setCurrentIndex(_idx)
def onChanged(self):
# set nuke_knob value
_v = self.sender().currentText()
set_nuke_knob(self, self.nuke_knob, str(_v))
self.layout.addStretch()
class Knob_Boolean(QtWidgets.QCheckBox):
def __init__(self, nuke_knob=''):
super(Knob_Boolean, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob
self.Class = 'Knob_Boolean'
# Instance properties
self.stateChanged.connect(self.onChanged)
def set_value(self, v):
self.node = self.parent().title()
self.setText(nuke.toNode(self.node)[self.nuke_knob].label())
_state = QtCore.Qt.Checked if v == True else QtCore.Qt.Unchecked
self.setCheckState(_state)
def onChanged(self):
# change nuke knob value
_state = self.sender().checkState()
_v = True if _state is QtCore.Qt.Checked else False
set_nuke_knob(self, self.nuke_knob, _v)
class Knob_AColour(QtWidgets.QWidget):
def __init__(self, nuke_knob=''):
super(Knob_AColour, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob
self.Class = 'Knob_AColour'
# Instance properties
# widgets
# group slider
self.slider_box = Knob_EditBox(self.nuke_knob)
self.slider_slider = Knob_Slider(self.nuke_knob)
self.slider_box.valueChanged.connect(self.onChanged_slider)
self.slider_slider.valueChanged.connect(self.onChanged_slider)
self.sets_slider = Knob_Sets()
self.sets_slider.add_widgets(self.slider_box, self.slider_slider)
# group editbox
editbox_style = """
QDoubleSpinBox {
border-style: solid;
border-width: 1px;
border-color: black black %s black;
border-radius: 2px;
}"""
self.editbox_r = Knob_EditBox(self.nuke_knob)
self.editbox_r.setStyleSheet(editbox_style % 'red')
self.editbox_g = Knob_EditBox(self.nuke_knob)
self.editbox_g.setStyleSheet(editbox_style % 'green')
self.editbox_b = Knob_EditBox(self.nuke_knob)
self.editbox_b.setStyleSheet(editbox_style % 'blue')
self.editbox_a = Knob_EditBox(self.nuke_knob)
self.editbox_a.setStyleSheet(editbox_style % 'gray')
self.editbox_r.valueChanged.connect(self.onChanged_editboxes)
self.editbox_g.valueChanged.connect(self.onChanged_editboxes)
self.editbox_b.valueChanged.connect(self.onChanged_editboxes)
self.editbox_a.valueChanged.connect(self.onChanged_editboxes)
self.sets_editboxes = Knob_Sets()
self.sets_editboxes.add_widgets(self.editbox_r, self.editbox_g, self.editbox_b, self.editbox_a)
# swap button
self.btn_swap = QtWidgets.QPushButton('4')
self.btn_swap.setCheckable(True)
self.btn_swap.clicked.connect(self.onClicked)
self.btn_swap.toggled.connect(self.onToggle)
self.btn_swap.setFixedWidth(WIDGET_HEIGHT)
# layout
self.sets_swap = Knob_Sets()
self.sets_swap.add_widgets(self.sets_slider, self.sets_editboxes)
self.layout = QtWidgets.QHBoxLayout()
self.layout.setContentsMargins(0,0,0,0)
self.setLayout(self.layout)
self.layout.addWidget(self.sets_swap)
self.layout.addStretch()
self.layout.addWidget(self.btn_swap)
self.setDefaults()
def setDefaults(self):
'''both sets are hidden on instancing'''
self.sets_editboxes.hide()
# self.sets_slider.hide()
knob_resize(self)
def onToggle(self):
'''hide widget and value transfer between two sets of widgets'''
_sender = self.sender()
_state = _sender.isChecked()
if _state == True:
self.sets_slider.hide()
self.sets_editboxes.show()
knob_resize(self)
elif _state == False:
self.sets_editboxes.hide()
self.sets_slider.show()
knob_resize(self)
def onClicked(self):
'''user clicked on the button'''
_sender = self.sender()
_state = _sender.isChecked()
_v_out = self.value_transfer(_state)
set_nuke_knob(self, self.nuke_knob, _v_out)
def set_range(self, min, max):
'''set range for slider'''
_precision = self.slider_slider.PRECISION
self.slider_slider.setRange(min*_precision, max*_precision)
def set_value(self, v):
'''called when instancing'''
print self.nuke_knob
if isinstance(v, list):
self.btn_swap.setChecked(True)
self.editbox_r.set_value(v[0])
self.editbox_g.set_value(v[1])
self.editbox_b.set_value(v[2])
self.editbox_a.set_value(v[3])
self.slider_slider.set_value(rgb2luma(v))
else:
self.btn_swap.setChecked(False)
self.slider_slider.set_value(v)
self.editbox_r.set_value(v)
self.editbox_g.set_value(v)
self.editbox_b.set_value(v)
self.editbox_a.set_value(v)
# slider_editbox change value when slider_slider changes value
def onChanged_slider(self):
'''when editbox or slider is edited and change each other values'''
_sender = self.sender()
_v = _sender.get_value()
if isinstance(_sender, Knob_Slider):
self.slider_box.set_value(_v)
elif isinstance(_sender, Knob_EditBox):
self.slider_slider.set_value(_v)
# double secure prevent recursion on instance
if self.btn_swap.isChecked() == False: # show slider
self.value_transfer(False)
set_nuke_knob(self, self.nuke_knob, _v)
def onChanged_editboxes(self):
'''when editboxes value is cahnged'''
_nuke_value = get_nuke_value(self, self.nuke_knob)
_sender = self.sender()
global value_out
if not isinstance(_nuke_value, float):
if _sender is self.editbox_r:
_nuke_value[0] = _sender.get_value()
value_out = _nuke_value
elif _sender is self.editbox_g:
_nuke_value[1] = _sender.get_value()
value_out = _nuke_value
elif _sender is self.editbox_b:
_nuke_value[2] = _sender.get_value()
value_out = _nuke_value
elif _sender is self.editbox_a:
_nuke_value[3] = _sender.get_value()
value_out = _nuke_value
# double secure prevent recursion on instance
if self.btn_swap.isChecked() == True: # show editboxes
self.value_transfer(True)
set_nuke_knob(self, self.nuke_knob, value_out)
def value_transfer(self, state):
'''transfer value when knobs are swapped
@state: (bool) state of the button, checked or not-checked
return: (float or list of float) value depends on checked state
'''
global value_out
if state == True:
_v = [self.editbox_r.get_value(),self.editbox_g.get_value(),self.editbox_b.get_value(),self.editbox_a.get_value()]
self.slider_slider.set_value(rgb2luma(_v))
value_out = _v
elif state == False:
_v = self.slider_box.get_value()
self.editbox_r.set_value(_v)
self.editbox_g.set_value(_v)
self.editbox_b.set_value(_v)
self.editbox_a.set_value(_v)
value_out = _v
return value_out
class Knob_WH(QtWidgets.QWidget):
def __init__(self, nuke_knob=''):
super(Knob_WH, self).__init__()
# Instance ID
self.nuke_knob = nuke_knob
self.Class = 'Knob_WH'
# Instance properties
# widgets
# group slider
self.slider_box = Knob_EditBox(self.nuke_knob)
self.slider_slider = Knob_Slider(self.nuke_knob)
self.slider_box.valueChanged.connect(self.onChanged_slider)
self.slider_slider.valueChanged.connect(self.onChanged_slider)
self.sets_slider = Knob_Sets()
self.sets_slider.add_widgets(self.slider_box, self.slider_slider)
# group editbox
self.editbox_w_label = QtWidgets.QLabel('w')
self.editbox_w = Knob_EditBox(self.nuke_knob)
self.editbox_h_label = QtWidgets.QLabel('h')
self.editbox_h = Knob_EditBox(self.nuke_knob)
self.editbox_w.valueChanged.connect(self.onChanged_editboxes)
self.editbox_h.valueChanged.connect(self.onChanged_editboxes)
self.sets_editboxes = Knob_Sets()
self.sets_editboxes.add_widgets(self.editbox_w_label, self.editbox_w, self.editbox_h_label, self.editbox_h)
# swap button
self.btn_swap = QtWidgets.QPushButton('2')
self.btn_swap.setCheckable(True)
self.btn_swap.clicked.connect(self.onClicked)
self.btn_swap.toggled.connect(self.onToggle)
self.btn_swap.setFixedWidth(WIDGET_HEIGHT)
# layout
self.sets_swap = Knob_Sets()
self.sets_swap.add_widgets(self.sets_slider, self.sets_editboxes)
self.layout = QtWidgets.QHBoxLayout()
self.layout.setContentsMargins(0,0,0,0)
self.setLayout(self.layout)
self.layout.addWidget(self.sets_swap)
self.layout.addStretch()
self.layout.addWidget(self.btn_swap)
self.setDefaults()
def setDefaults(self):
'''both sets are hidden on instancing'''
self.sets_editboxes.hide()
# self.sets_slider.hide()
knob_resize(self)
def onToggle(self):
'''hide widget and value transfer between two sets of widgets'''
_sender = self.sender()
_state = _sender.isChecked()
if _state == True:
self.sets_slider.hide()
self.sets_editboxes.show()
knob_resize(self)
elif _state == False:
self.sets_editboxes.hide()
self.sets_slider.show()
knob_resize(self)
def onClicked(self):
'''user clicked on the button'''
_sender = self.sender()
_state = _sender.isChecked()
_v_out = self.value_transfer(_state)
set_nuke_knob(self, self.nuke_knob, _v_out)
def set_range(self, min, max):
'''set range for slider'''
_precision = self.slider_slider.PRECISION
self.slider_slider.setRange(min*_precision, max*_precision)
def set_value(self, v):
'''called when instancing'''
if isinstance(v, list):
self.btn_swap.setChecked(True)
self.editbox_w.set_value(v[0])
self.editbox_h.set_value(v[1])
self.slider_slider.set_value(v[0])
else:
self.btn_swap.setChecked(False)
self.slider_slider.set_value(v)
self.editbox_w.set_value(v)
self.editbox_h.set_value(v)
# slider_editbox change value when slider_slider changes value
def onChanged_slider(self):
'''when editbox or slider is edited and change each other values'''
_sender = self.sender()
_v = _sender.get_value()
if isinstance(_sender, Knob_Slider):
self.slider_box.set_value(_v)
elif isinstance(_sender, Knob_EditBox):
self.slider_slider.set_value(_v)
# double secure prevent recursion on instance
if self.btn_swap.isChecked() == False:
self.value_transfer(False)
set_nuke_knob(self, self.nuke_knob, _v)
def onChanged_editboxes(self):
'''when editboxes value is cahnged'''
_nuke_value = get_nuke_value(self, self.nuke_knob)
_sender = self.sender()
global value_out
if not isinstance(_nuke_value, float):
if _sender is self.editbox_w: