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gui.py
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gui.py
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import re
from qtpy.QtGui import QFont
from qtpy.QtCore import Qt, Signal, QEvent
from qtpy.QtWidgets import QPushButton, QComboBox, QSlider, QTextEdit, QPlainTextEdit, QWidget, QVBoxLayout, QLineEdit, \
QDialog, QMessageBox
from ryven.gui_env import *
from . import special_nodes as special_nodes
from . import basic_operators as operator_nodes
from . import control_structures as control_nodes
"""
generic base classes
"""
class GuiBase(NodeGUI):
pass
"""
operator nodes
"""
@node_gui(operator_nodes.OperatorNodeBase)
class OperatorNodeBaseGui(GuiBase):
input_widget_classes = {
'in': inp_widgets.Builder.evaled_line_edit(size='s', resizing=True),
}
# init_input_widgets = {
# 0: {'name': 'in', 'pos': 'besides'},
# 1: {'name': 'in', 'pos': 'besides'},
# }
style = 'small'
def __init__(self, params):
super().__init__(params)
self.actions['add input'] = {'method': self.add_operand_input}
self.actions['remove input'] = {}
for inp in self.node.inputs:
self.input_widgets[inp] = {'name': 'in', 'pos': 'besides'}
def initialized(self):
super().initialized()
self.rebuild_remove_actions()
def add_operand_input(self):
self.register_new_operand_input(self.node.num_inputs + 1)
self.node.add_op_input()
def register_new_operand_input(self, index):
self.actions[f'remove input'][f'{index}'] = {
'method': self.remove_operand_input,
'data': index
}
def remove_operand_input(self, index):
self.node.remove_op_input(index)
self.rebuild_remove_actions()
def rebuild_remove_actions(self):
self.actions['remove input'] = {}
for i in range(self.node.num_inputs):
self.actions[f'remove input'][f'{i}'] = \
{'method': self.remove_operand_input, 'data': i}
@node_gui(operator_nodes.LogicNodeBase)
class LogicNodeBaseGui(OperatorNodeBaseGui):
color = '#f58142'
@node_gui(operator_nodes.ArithmeticNodeBase)
class ArithNodeBaseGui(OperatorNodeBaseGui):
color = '#58db53'
@node_gui(operator_nodes.ComparatorNodeBase)
class CompNodeBaseGui(OperatorNodeBaseGui):
color = '#a1574c'
"""
control structures
"""
@node_gui(control_nodes.CSNodeBase)
class CSNodeBaseGui(GuiBase):
style = 'normal'
color = '#b33a27'
@node_gui(control_nodes.ForLoop_Node)
class ForLoopGui(CSNodeBaseGui):
input_widget_classes = {
'RangeFrom': inp_widgets.Builder.int_spinbox(0, (0, 1000000)),
'RangeTo': inp_widgets.Builder.int_spinbox(10, (0, 1000000)),
}
init_input_widgets = {
1: {'name': 'RangeFrom', 'pos': 'besides'},
2: {'name': 'RangeTo', 'pos': 'besides'},
}
def __init__(self, params):
super().__init__(params)
self.actions['add dimension'] = {'method': self.add_dimension}
self.actions['remove dimension'] = {}
def add_dimension(self):
self.attach_input_widgets(['RangeFrom', 'RangeTo'])
new_dim = self.node.dims + 1
self.node.add_dimension()
self.actions[f'remove dimension'][f'{new_dim}'] = {
'method': self.remove_dimension,
'data': new_dim
}
def remove_dimension(self, dim):
self.node.remove_dimension(dim)
self.rebuild_remove_actions()
def rebuild_remove_actions(self):
self.actions['remove dimension'] = {}
for i in range(1, self.dims):
self.actions[f'remove dimension'][f'{i + 1}'] = \
{'method': self.remove_dimension, 'data': i + 1}
@node_gui(control_nodes.ForEachLoop_Node)
class ForEachLoopGui(CSNodeBaseGui):
input_widget_classes = {
'List': inp_widgets.Builder.evaled_line_edit(),
}
init_input_widgets = {
1: {'name': 'List', 'pos': 'besides'},
}
"""
special nodes
"""
@node_gui(special_nodes.NodeBase)
class SpecialNodeGuiBase(GuiBase):
color = '#FFCA00'
@node_gui(special_nodes.DualNodeBase)
class DualNodeBaseGui(SpecialNodeGuiBase):
def initialized(self):
super().initialized()
self.clean_actions()
def clean_actions(self):
if 'make passive' in self.actions:
del self.actions['make passive']
if 'make active' in self.actions:
del self.actions['make active']
if self.node.active:
self.actions['make passive'] = {'method': self.make_passive}
else:
self.actions['make active'] = {'method': self.make_active}
def make_passive(self):
del self.actions['make passive']
self.actions['make active'] = {'method': self.make_active}
self.node.make_passive()
def make_active(self):
del self.actions['make active']
self.actions['make passive'] = {'method': self.make_passive}
self.node.make_active()
@node_gui(special_nodes.Checkpoint_Node)
class CheckpointNodeGui(DualNodeBaseGui):
style = 'small'
display_title = ''
def initialized(self):
super().initialized()
self.actions['add output'] = {'method': self.add_output}
self.actions['remove output'] = {}
self.rebuild_remove_actions()
def add_output(self):
self.node.add_output()
self.rebuild_remove_actions()
def remove_output(self, index):
self.node.remove_output(index)
self.rebuild_remove_actions()
def rebuild_remove_actions(self):
self.actions['remove output'] = {}
for i in range(len(self.node.outputs)):
self.actions['remove output'][f'{i}'] = \
{'method': self.remove_output, 'data': i}
class ButtonNode_MainWidget(NodeMainWidget, QPushButton):
def __init__(self, params):
NodeMainWidget.__init__(self, params)
QPushButton.__init__(self)
self.clicked.connect(self.update_node)
@node_gui(special_nodes.Button_Node)
class ButtonNodeGui(SpecialNodeGuiBase):
main_widget_class = ButtonNode_MainWidget
main_widget_pos = 'between ports'
color = '#99dd55'
class ClockNode_MainWidget(NodeMainWidget, QPushButton):
def __init__(self, params):
NodeMainWidget.__init__(self, params)
QPushButton.__init__(self)
self.clicked.connect(self.node.toggle)
@node_gui(special_nodes.Clock_Node)
class ClockNodeGui(SpecialNodeGuiBase):
main_widget_class = ClockNode_MainWidget
main_widget_pos = 'below ports'
input_widget_classes = {
'delay': inp_widgets.Builder.int_slider(1, (0, 10000)),
'iter': inp_widgets.Builder.int_spinbox(-1, (-1, 1000)),
}
init_input_widgets = {
0: {'name': 'delay', 'pos': 'besides'},
1: {'name': 'iter', 'pos': 'besides'},
}
color = '#5d95de'
def __init__(self, params):
super().__init__(params)
self.actions['start'] = {'method': self.start}
self.actions['stop'] = {'method': self.stop}
def start(self):
self.node.start()
def stop(self):
self.node.stop()
@node_gui(special_nodes.Log_Node)
class LogNodeGui(SpecialNodeGuiBase):
color = '#5d95de'
class SliderNode_MainWidget(NodeMainWidget, QSlider):
def __init__(self, params):
NodeMainWidget.__init__(self, params)
QSlider.__init__(self, Qt.Horizontal)
self.setRange(0, 1000)
self.setValue(self.node.val*1000)
self.valueChanged.connect(self.value_changed)
def value_changed(self, v):
self.node.val = v/1000
self.update_node()
@node_gui(special_nodes.Slider_Node)
class SliderNodeGui(SpecialNodeGuiBase):
main_widget_class = SliderNode_MainWidget
main_widget_pos = 'below ports'
input_widget_classes = {
'scale': inp_widgets.Builder.int_spinbox(1, (1, 99)),
'round': inp_widgets.Builder.bool_checkbox(True),
}
init_input_widgets = {
0: {'name': 'scale', 'pos': 'besides'},
1: {'name': 'round', 'pos': 'besides'},
}
def initialized(self):
self.main_widget().setValue(self.node.val*1000)
@node_gui(special_nodes._DynamicPorts_Node)
class DynamicPortsGui(SpecialNodeGuiBase):
def __init__(self, params):
super().__init__(params)
self.actions['add input'] = {'method': self.add_input}
self.actions['remove input'] = {}
self.actions['add output'] = {'method': self.add_output}
self.actions['remove output'] = {}
def add_input(self):
self.node.add_input()
index = len(self.node.inputs)-1
self.actions['remove input'][str(index)] = \
{'method': self.remove_input, 'data': index}
def remove_input(self, index: int):
self.node.remove_input(index)
del self.actions['remove input'][str(index)]
def add_output(self):
self.node.add_output()
index = len(self.node.outputs)-1
self.actions['remove output'][str(index)] = \
{'method': self.remove_output, 'data': index}
def remove_output(self, index: int):
self.node.remove_output(index)
del self.actions['remove output'][str(index)]
class ExecNode_MainWidget(NodeMainWidget, QTextEdit):
def __init__(self, params):
NodeMainWidget.__init__(self, params)
QTextEdit.__init__(self)
self.setFont(QFont('Consolas', 9))
self.textChanged.connect(self.text_changed)
self.setFixedHeight(150)
self.setFixedWidth(300)
def text_changed(self):
self.node.code = self.toPlainText()
self.update_node()
def get_state(self) -> dict:
return {
'text': self.toPlainText(),
}
def set_state(self, data: dict):
self.setPlainText(data['text'])
@node_gui(special_nodes.Exec_Node)
class ExecNodeGui(DynamicPortsGui):
main_widget_class = ExecNode_MainWidget
main_widget_pos = 'between ports'
class EvalNode_MainWidget(NodeMainWidget, QPlainTextEdit):
def __init__(self, params):
NodeMainWidget.__init__(self, params)
QPlainTextEdit.__init__(self)
self.setFont(QFont('Consolas', 9))
self.textChanged.connect(self.text_changed)
self.setMaximumHeight(50)
self.setMaximumWidth(200)
def text_changed(self):
self.node.expression_code = self.toPlainText()
self.update_node()
def get_state(self) -> dict:
return {
'text': self.toPlainText(),
}
def set_state(self, data: dict):
self.setPlainText(data['text'])
@node_gui(special_nodes.Eval_Node)
class EvalNodeGui(SpecialNodeGuiBase):
main_widget_class = EvalNode_MainWidget
main_widget_pos = 'between ports'
def __init__(self, params):
super().__init__(params)
self.actions['add input'] = {'method': self.add_input}
self.actions['remove input'] = {}
def add_input(self):
self.node.add_param_input()
index = self.node.param_inputs-1
self.actions['remove input'][str(index)] = \
{'method': self.remove_input, 'data': index}
def remove_input(self, index: int):
self.node.remove_param_input(index)
del self.actions['remove input'][str(index)]
class ConsoleInpLineEdit(QLineEdit):
returned = Signal(str)
def __init__(self):
super().__init__()
self.hist_index = 0
self.hist = []
def event(self, ev: QEvent) -> bool:
if ev.type() == QEvent.KeyPress:
if ev.key() == Qt.Key_Tab:
self.insert(' '*4)
return True
elif ev.key() == Qt.Key_Backtab:
ccp = self.cursorPosition()
text_left = self.text()[:ccp]
text_right = self.text()[ccp:]
ends_with_tab = re.match(r"(.*)\s\s\s\s$", text_left)
if ends_with_tab:
self.setText(text_left[:-4]+text_right)
self.setCursorPosition(ccp-4)
return True
elif ev.key() == Qt.Key_Up:
self.recall(self.hist_index - 1)
return True
elif ev.key() == Qt.Key_Down:
self.recall(self.hist_index + 1)
return True
elif ev.key() == Qt.Key_Return:
self.return_key()
return True
return super().event(ev)
def return_key(self) -> None:
text = self.text()
for line in text.splitlines():
self.record(line)
self.returned.emit(text)
self.clear()
def record(self, line: str) -> None:
"""store line in history buffer and update hist_index"""
self.hist.append(line)
if self.hist_index == len(self.hist)-1 or line != self.hist[self.hist_index]:
self.hist_index = len(self.hist)
def recall(self, index: int) -> None:
"""select a line from the history list"""
if len(self.hist) > 0 and 0 <= index < len(self.hist):
self.setText(self.hist[index])
self.hist_index = index
class ConsoleOutDisplay(QPlainTextEdit):
def __init__(self):
super().__init__()
self.setReadOnly(True)
self.setFont(QFont('Source Code Pro', 9))
class InterpreterConsole(NodeMainWidget, QWidget):
def __init__(self, params):
NodeMainWidget.__init__(self, params)
QWidget.__init__(self)
self.inp_line_edit = ConsoleInpLineEdit()
self.output_text_edit = ConsoleOutDisplay()
self.inp_line_edit.returned.connect(self.node.process_input)
self.setLayout(QVBoxLayout())
self.layout().addWidget(self.output_text_edit)
self.layout().addWidget(self.inp_line_edit)
self.last_hist_len = 0
def interp_updated(self):
if self.last_hist_len < len(self.node.hist):
self.output_text_edit.appendPlainText('\n'.join(self.node.hist[self.last_hist_len:]))
else:
self.output_text_edit.clear()
self.output_text_edit.setPlainText('\n'.join(self.node.hist))
self.last_hist_len = len(self.node.hist)
@node_gui(special_nodes.Interpreter_Node)
class InterpreterConsoleGui(SpecialNodeGuiBase):
main_widget_class = InterpreterConsole
main_widget_pos = 'between ports'
@node_gui(special_nodes.Storage_Node)
class StorageNodeGui(SpecialNodeGuiBase):
color = '#aadd55'
def __init__(self, params):
super().__init__(params)
self.actions['clear'] = {'method': self.clear}
def clear(self):
self.node.clear()
@node_gui(special_nodes.LinkIN_Node)
class LinkIN_NodeGui(SpecialNodeGuiBase):
def __init__(self, params):
super().__init__(params)
self.actions['add input'] = {'method': self.add_inp}
self.actions['remove inp'] = {}
self.actions['copy ID'] = {'method': self.copy_ID}
def copy_ID(self):
from qtpy.QtWidgets import QApplication
QApplication.clipboard().setText(str(self.node.ID))
def add_inp(self):
self.node.add_input()
index = self.node.inputs-1
self.actions['remove inp'][str(index)] = {
'method': self.remove_inp,
'data': index
}
def remove_inp(self, index: int):
self.node.remove_input(index)
del self.actions['remove inp'][str(index)]
@node_gui(special_nodes.LinkOUT_Node)
class LinkOUT_NodeGui(SpecialNodeGuiBase):
class IDInpDialog(QDialog):
def __init__(self):
super().__init__()
self.id_str = None
self.setLayout(QVBoxLayout())
self.line_edit = QLineEdit()
self.layout().addWidget(self.line_edit)
self.line_edit.returnPressed.connect(self.return_pressed)
def return_pressed(self):
self.id_str = self.line_edit.text()
self.accept()
def __init__(self, params):
super().__init__(params)
self.actions['link to ID'] = {'method': self.link_to_ID}
def link_to_ID(self):
d = self.IDInpDialog()
d.exec_()
if d.id_str is not None:
n = special_nodes.LinkIN_Node.INSTANCES.get(d.id_str)
if n is not None:
self.node.link_to(n)
else:
QMessageBox.warning(
self,
title='link failed',
text=f'No node with ID "{d.id_str}" found'
)