flatcam/GUIElements.py

711 lines
22 KiB
Python

from PyQt5 import QtGui, QtCore, QtWidgets, QtWidgets
from copy import copy
import re
import logging
log = logging.getLogger('base')
EDIT_SIZE_HINT = 70
class RadioSet(QtWidgets.QWidget):
activated_custom = QtCore.pyqtSignal()
def __init__(self, choices, orientation='horizontal', parent=None, stretch=None):
"""
The choices are specified as a list of dictionaries containing:
* 'label': Shown in the UI
* 'value': The value returned is selected
:param choices: List of choices. See description.
:param orientation: 'horizontal' (default) of 'vertical'.
:param parent: Qt parent widget.
:type choices: list
"""
super(RadioSet, self).__init__(parent)
self.choices = copy(choices)
if orientation == 'horizontal':
layout = QtWidgets.QHBoxLayout()
else:
layout = QtWidgets.QVBoxLayout()
group = QtWidgets.QButtonGroup(self)
for choice in self.choices:
choice['radio'] = QtWidgets.QRadioButton(choice['label'])
group.addButton(choice['radio'])
layout.addWidget(choice['radio'], stretch=0)
choice['radio'].toggled.connect(self.on_toggle)
layout.setContentsMargins(0, 0, 0, 0)
if stretch is False:
pass
else:
layout.addStretch()
self.setLayout(layout)
self.group_toggle_fn = lambda: None
def on_toggle(self):
# log.debug("Radio toggled")
radio = self.sender()
if radio.isChecked():
self.group_toggle_fn()
self.activated_custom.emit()
return
def get_value(self):
for choice in self.choices:
if choice['radio'].isChecked():
return choice['value']
log.error("No button was toggled in RadioSet.")
return None
def set_value(self, val):
for choice in self.choices:
if choice['value'] == val:
choice['radio'].setChecked(True)
return
log.error("Value given is not part of this RadioSet: %s" % str(val))
# class RadioGroupChoice(QtWidgets.QWidget):
# def __init__(self, label_1, label_2, to_check, hide_list, show_list, parent=None):
# """
# The choices are specified as a list of dictionaries containing:
#
# * 'label': Shown in the UI
# * 'value': The value returned is selected
#
# :param choices: List of choices. See description.
# :param orientation: 'horizontal' (default) of 'vertical'.
# :param parent: Qt parent widget.
# :type choices: list
# """
# super().__init__(parent)
#
# group = QtGui.QButtonGroup(self)
#
# self.lbl1 = label_1
# self.lbl2 = label_2
# self.hide_list = hide_list
# self.show_list = show_list
#
# self.btn1 = QtGui.QRadioButton(str(label_1))
# self.btn2 = QtGui.QRadioButton(str(label_2))
# group.addButton(self.btn1)
# group.addButton(self.btn2)
#
# if to_check == 1:
# self.btn1.setChecked(True)
# else:
# self.btn2.setChecked(True)
#
# self.btn1.toggled.connect(lambda: self.btn_state(self.btn1))
# self.btn2.toggled.connect(lambda: self.btn_state(self.btn2))
#
# def btn_state(self, btn):
# if btn.text() == self.lbl1:
# if btn.isChecked() is True:
# self.show_widgets(self.show_list)
# self.hide_widgets(self.hide_list)
# else:
# self.show_widgets(self.hide_list)
# self.hide_widgets(self.show_list)
#
# def hide_widgets(self, lst):
# for wgt in lst:
# wgt.hide()
#
# def show_widgets(self, lst):
# for wgt in lst:
# wgt.show()
class LengthEntry(QtWidgets.QLineEdit):
def __init__(self, output_units='IN', parent=None):
super(LengthEntry, self).__init__(parent)
self.output_units = output_units
self.format_re = re.compile(r"^([^\s]+)(?:\s([a-zA-Z]+))?$")
# Unit conversion table OUTPUT-INPUT
self.scales = {
'IN': {'IN': 1.0,
'MM': 1/25.4},
'MM': {'IN': 25.4,
'MM': 1.0}
}
self.readyToEdit = True
def mousePressEvent(self, e, Parent=None):
super(LengthEntry, self).mousePressEvent(e) # required to deselect on 2e click
if self.readyToEdit:
self.selectAll()
self.readyToEdit = False
def focusOutEvent(self, e):
super(LengthEntry, self).focusOutEvent(e) # required to remove cursor on focusOut
self.deselect()
self.readyToEdit = True
def returnPressed(self, *args, **kwargs):
val = self.get_value()
if val is not None:
self.set_text(str(val))
else:
log.warning("Could not interpret entry: %s" % self.get_text())
def get_value(self):
raw = str(self.text()).strip(' ')
# match = self.format_re.search(raw)
try:
units = raw[-2:]
units = self.scales[self.output_units][units.upper()]
value = raw[:-2]
return float(eval(value))*units
except IndexError:
value = raw
return float(eval(value))
except KeyError:
value = raw
return float(eval(value))
except:
log.warning("Could not parse value in entry: %s" % str(raw))
return None
def set_value(self, val):
self.setText(str('%.4f' % val))
def sizeHint(self):
default_hint_size = super(LengthEntry, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class FloatEntry(QtWidgets.QLineEdit):
def __init__(self, parent=None):
super(FloatEntry, self).__init__(parent)
self.readyToEdit = True
def mousePressEvent(self, e, Parent=None):
super(FloatEntry, self).mousePressEvent(e) # required to deselect on 2e click
if self.readyToEdit:
self.selectAll()
self.readyToEdit = False
def focusOutEvent(self, e):
super(FloatEntry, self).focusOutEvent(e) # required to remove cursor on focusOut
self.deselect()
self.readyToEdit = True
def returnPressed(self, *args, **kwargs):
val = self.get_value()
if val is not None:
self.set_text(str(val))
else:
log.warning("Could not interpret entry: %s" % self.text())
def get_value(self):
raw = str(self.text()).strip(' ')
evaled = 0.0
try:
evaled = eval(raw)
except:
if evaled is not None:
log.error("Could not evaluate: %s" % str(raw))
return None
return float(evaled)
def set_value(self, val):
if val is not None:
self.setText("%.6f" % val)
else:
self.setText("")
def sizeHint(self):
default_hint_size = super(FloatEntry, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class FloatEntry2(QtWidgets.QLineEdit):
def __init__(self, parent=None):
super(FloatEntry2, self).__init__(parent)
self.readyToEdit = True
def mousePressEvent(self, e, Parent=None):
super(FloatEntry2, self).mousePressEvent(e) # required to deselect on 2e click
if self.readyToEdit:
self.selectAll()
self.readyToEdit = False
def focusOutEvent(self, e):
super(FloatEntry2, self).focusOutEvent(e) # required to remove cursor on focusOut
self.deselect()
self.readyToEdit = True
def get_value(self):
raw = str(self.text()).strip(' ')
evaled = 0.0
try:
evaled = eval(raw)
except:
if evaled is not None:
log.error("Could not evaluate: %s" % str(raw))
return None
return float(evaled)
def set_value(self, val):
self.setText("%.6f" % val)
def sizeHint(self):
default_hint_size = super(FloatEntry2, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class IntEntry(QtWidgets.QLineEdit):
def __init__(self, parent=None, allow_empty=False, empty_val=None):
super(IntEntry, self).__init__(parent)
self.allow_empty = allow_empty
self.empty_val = empty_val
self.readyToEdit = True
def mousePressEvent(self, e, Parent=None):
super(IntEntry, self).mousePressEvent(e) # required to deselect on 2e click
if self.readyToEdit:
self.selectAll()
self.readyToEdit = False
def focusOutEvent(self, e):
super(IntEntry, self).focusOutEvent(e) # required to remove cursor on focusOut
self.deselect()
self.readyToEdit = True
def get_value(self):
if self.allow_empty:
if str(self.text()) == "":
return self.empty_val
# make the text() first a float and then int because if text is a float type,
# the int() can't convert directly a "text float" into a int type.
ret_val = float(self.text())
ret_val = int(ret_val)
return ret_val
def set_value(self, val):
if val == self.empty_val and self.allow_empty:
self.setText("")
return
self.setText(str(val))
def sizeHint(self):
default_hint_size = super(IntEntry, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class FCEntry(QtWidgets.QLineEdit):
def __init__(self, parent=None):
super(FCEntry, self).__init__(parent)
self.readyToEdit = True
def mousePressEvent(self, e, Parent=None):
super(FCEntry, self).mousePressEvent(e) # required to deselect on 2e click
if self.readyToEdit:
self.selectAll()
self.readyToEdit = False
def focusOutEvent(self, e):
super(FCEntry, self).focusOutEvent(e) # required to remove cursor on focusOut
self.deselect()
self.readyToEdit = True
def get_value(self):
return str(self.text())
def set_value(self, val):
self.setText(str(val))
def sizeHint(self):
default_hint_size = super(FCEntry, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class FCEntry2(FCEntry):
def __init__(self, parent=None):
super(FCEntry2, self).__init__(parent)
self.readyToEdit = True
def set_value(self, val):
self.setText('%.5f' % float(val))
class EvalEntry(QtWidgets.QLineEdit):
def __init__(self, parent=None):
super(EvalEntry, self).__init__(parent)
self.readyToEdit = True
def mousePressEvent(self, e, Parent=None):
super(EvalEntry, self).mousePressEvent(e) # required to deselect on 2e click
if self.readyToEdit:
self.selectAll()
self.readyToEdit = False
def focusOutEvent(self, e):
super(EvalEntry, self).focusOutEvent(e) # required to remove cursor on focusOut
self.deselect()
self.readyToEdit = True
def returnPressed(self, *args, **kwargs):
val = self.get_value()
if val is not None:
self.setText(str(val))
else:
log.warning("Could not interpret entry: %s" % self.get_text())
def get_value(self):
raw = str(self.text()).strip(' ')
evaled = 0.0
try:
evaled = eval(raw)
except:
if evaled is not None:
log.error("Could not evaluate: %s" % str(raw))
return None
return evaled
def set_value(self, val):
self.setText(str(val))
def sizeHint(self):
default_hint_size = super(EvalEntry, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class EvalEntry2(QtWidgets.QLineEdit):
def __init__(self, parent=None):
super(EvalEntry2, self).__init__(parent)
self.readyToEdit = True
def mousePressEvent(self, e, Parent=None):
super(EvalEntry2, self).mousePressEvent(e) # required to deselect on 2e click
if self.readyToEdit:
self.selectAll()
self.readyToEdit = False
def focusOutEvent(self, e):
super(EvalEntry2, self).focusOutEvent(e) # required to remove cursor on focusOut
self.deselect()
self.readyToEdit = True
def get_value(self):
raw = str(self.text()).strip(' ')
evaled = 0.0
try:
evaled = eval(raw)
except:
if evaled is not None:
log.error("Could not evaluate: %s" % str(raw))
return None
return evaled
def set_value(self, val):
self.setText(str(val))
def sizeHint(self):
default_hint_size = super(EvalEntry2, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class FCCheckBox(QtWidgets.QCheckBox):
def __init__(self, label='', parent=None):
super(FCCheckBox, self).__init__(str(label), parent)
def get_value(self):
return self.isChecked()
def set_value(self, val):
self.setChecked(val)
def toggle(self):
self.set_value(not self.get_value())
class FCTextArea(QtWidgets.QPlainTextEdit):
def __init__(self, parent=None):
super(FCTextArea, self).__init__(parent)
def set_value(self, val):
self.setPlainText(val)
def get_value(self):
return str(self.toPlainText())
def sizeHint(self):
default_hint_size = super(FCTextArea, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class FCTextAreaRich(QtWidgets.QTextEdit):
def __init__(self, parent=None):
super(FCTextAreaRich, self).__init__(parent)
def set_value(self, val):
self.setText(val)
def get_value(self):
return str(self.toPlainText())
def sizeHint(self):
default_hint_size = super(FCTextAreaRich, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class FCComboBox(QtWidgets.QComboBox):
def __init__(self, parent=None):
super(FCComboBox, self).__init__(parent)
self.setFocusPolicy(QtCore.Qt.StrongFocus)
def wheelEvent(self, *args, **kwargs):
pass
def get_value(self):
return str(self.currentText())
def set_value(self, val):
self.setCurrentIndex(self.findText(str(val)))
class FCInputDialog(QtWidgets.QInputDialog):
def __init__(self, parent=None, ok=False, val=None, title=None, text=None, min=None, max=None, decimals=None):
super(FCInputDialog, self).__init__(parent)
self.allow_empty = ok
self.empty_val = val
if title is None:
self.title = 'title'
else:
self.title = title
if text is None:
self.text = 'text'
else:
self.text = text
if min is None:
self.min = 0
else:
self.min = min
if max is None:
self.max = 0
else:
self.max = max
if decimals is None:
self.decimals = 6
else:
self.decimals = decimals
def get_value(self):
self.val,self.ok = self.getDouble(self, self.title, self.text, min=self.min,
max=self.max, decimals=self.decimals)
return [self.val, self.ok]
# "Transform", "Enter the Angle value:"
def set_value(self, val):
pass
class FCButton(QtWidgets.QPushButton):
def __init__(self, parent=None):
super(FCButton, self).__init__(parent)
def get_value(self):
return self.isChecked()
def set_value(self, val):
self.setText(str(val))
class FCTab(QtWidgets.QTabWidget):
def __init__(self, parent=None):
super(FCTab, self).__init__(parent)
self.setTabsClosable(True)
self.tabCloseRequested.connect(self.closeTab)
def deleteTab(self, currentIndex):
widget = self.widget(currentIndex)
if widget is not None:
widget.deleteLater()
self.removeTab(currentIndex)
def closeTab(self, currentIndex):
self.removeTab(currentIndex)
def protectTab(self, currentIndex):
self.tabBar().setTabButton(currentIndex, QtWidgets.QTabBar.RightSide, None)
class VerticalScrollArea(QtWidgets.QScrollArea):
"""
This widget extends QtGui.QScrollArea to make a vertical-only
scroll area that also expands horizontally to accomodate
its contents.
"""
def __init__(self, parent=None):
QtWidgets.QScrollArea.__init__(self, parent=parent)
self.setWidgetResizable(True)
self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
def eventFilter(self, source, event):
"""
The event filter gets automatically installed when setWidget()
is called.
:param source:
:param event:
:return:
"""
if event.type() == QtCore.QEvent.Resize and source == self.widget():
# log.debug("VerticalScrollArea: Widget resized:")
# log.debug(" minimumSizeHint().width() = %d" % self.widget().minimumSizeHint().width())
# log.debug(" verticalScrollBar().width() = %d" % self.verticalScrollBar().width())
self.setMinimumWidth(self.widget().sizeHint().width() +
self.verticalScrollBar().sizeHint().width())
# if self.verticalScrollBar().isVisible():
# log.debug(" Scroll bar visible")
# self.setMinimumWidth(self.widget().minimumSizeHint().width() +
# self.verticalScrollBar().width())
# else:
# log.debug(" Scroll bar hidden")
# self.setMinimumWidth(self.widget().minimumSizeHint().width())
return QtWidgets.QWidget.eventFilter(self, source, event)
class OptionalInputSection:
def __init__(self, cb, optinputs, logic=True):
"""
Associates the a checkbox with a set of inputs.
:param cb: Checkbox that enables the optional inputs.
:param optinputs: List of widgets that are optional.
:param logic: When True the logic is normal, when False the logic is in reverse
It means that for logic=True, when the checkbox is checked the widgets are Enabled, and
for logic=False, when the checkbox is checked the widgets are Disabled
:return:
"""
assert isinstance(cb, FCCheckBox), \
"Expected an FCCheckBox, got %s" % type(cb)
self.cb = cb
self.optinputs = optinputs
self.logic = logic
self.on_cb_change()
self.cb.stateChanged.connect(self.on_cb_change)
def on_cb_change(self):
if self.cb.checkState():
for widget in self.optinputs:
if self.logic is True:
widget.setEnabled(True)
else:
widget.setEnabled(False)
else:
for widget in self.optinputs:
if self.logic is True:
widget.setEnabled(False)
else:
widget.setEnabled(True)
class FCTable(QtWidgets.QTableWidget):
def __init__(self, parent=None):
super(FCTable, self).__init__(parent)
def sizeHint(self):
default_hint_size = super(FCTable, self).sizeHint()
return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
def getHeight(self):
height = self.horizontalHeader().height()
for i in range(self.rowCount()):
height += self.rowHeight(i)
return height
def getWidth(self):
width = self.verticalHeader().width()
for i in range(self.columnCount()):
width += self.columnWidth(i)
return width
# color is in format QtGui.Qcolor(r, g, b, alfa) with or without alfa
def setColortoRow(self, rowIndex, color):
for j in range(self.columnCount()):
self.item(rowIndex, j).setBackground(color)
# if user is clicking an blank area inside the QTableWidget it will deselect currently selected rows
def mousePressEvent(self, event):
if self.itemAt(event.pos()) is None:
self.clearSelection()
else:
QtWidgets.QTableWidget.mousePressEvent(self, event)
def setupContextMenu(self):
self.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu)
def addContextMenu(self, entry, call_function, icon=None):
action_name = str(entry)
action = QtWidgets.QAction(self)
action.setText(action_name)
if icon:
assert isinstance(icon, QtGui.QIcon), \
"Expected the argument to be QtGui.QIcon. Instead it is %s" % type(icon)
action.setIcon(icon)
self.addAction(action)
action.triggered.connect(call_function)
class FCSpinner(QtWidgets.QSpinBox):
def __init__(self, parent=None):
super(FCSpinner, self).__init__(parent)
def get_value(self):
return str(self.value())
def set_value(self, val):
try:
k = int(val)
except Exception as e:
raise e
self.setValue(k)
# def sizeHint(self):
# default_hint_size = super(FCSpinner, self).sizeHint()
# return QtCore.QSize(EDIT_SIZE_HINT, default_hint_size.height())
class Dialog_box(QtWidgets.QWidget):
def __init__(self, title=None, label=None):
"""
:param title: string with the window title
:param label: string with the message inside the dialog box
"""
super(Dialog_box, self).__init__()
self.location = (0, 0)
self.ok = False
dialog_box = QtWidgets.QInputDialog()
dialog_box.setFixedWidth(270)
self.location, self.ok = dialog_box.getText(self, title, label)