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# -*- coding: utf-8 -*-
#
# AWL simulator - GUI utility functions
#
# Copyright 2012-2020 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
import sys
from awlsim_loader.common import *
if isPy2Compat:
printError("ERROR: Python 2.x is not supported by awlsim-gui. "
"Please use Python 3.")
sys.exit(1)
if isPyPy or isJython:
printError("ERROR: Running awlsim-gui on the PyPy or Jython interpreter is not supported. "
"Please use Python 3.")
sys.exit(1)
from awlsim_loader.coreclient import *
import awlsim_loader.cython_helper as cython_helper
from awlsim.common.monotonic import monotonic_time #+cimport
from awlsim.common.datatypehelpers import * #+cimport
from awlsim.common.profiler import *
from awlsim.core.datatypes import AwlDataType
from awlsim.core.symbolparser import SymbolTable, Symbol, SymTabParser
import traceback
import xml.sax.saxutils as saxutils
if cython_helper.shouldUseCython():
print("*** Using accelerated CYTHON core "
"(AWLSIM_CYTHON environment variable is set)")
from awlsim.gui.qt_bindings import *
AWLSIM_HOME_DOMAIN = "awlsim.de"
AWLSIM_HOME_URL = "https://" + AWLSIM_HOME_DOMAIN
# Convert an integer to a dual-string
def intToDualString(value, bitWidth):
string = []
for bitnr in range(bitWidth - 1, -1, -1):
string.append('1' if ((value >> bitnr) & 1) else '0')
if bitnr and bitnr % 4 == 0:
string.append('_')
return ''.join(string)
# Get the default fixed font
def getDefaultFixedFont(pointSize=11, bold=False):
font = QFont()
font.setStyleHint(QFont.Courier)
font.setFamily("Courier")
font.setPointSize(pointSize)
font.setWeight(QFont.Normal)
font.setBold(bold)
return font
def sleepWithEventLoop(seconds, excludeInput=True):
"""Sleep for 'seconds', but run the Qt event loop to refresh the GUI.
excludeInput: Do not process user input events.
"""
end = monotonic_time() + seconds
eventFlags = QEventLoop.AllEvents
if excludeInput:
eventFlags |= QEventLoop.ExcludeUserInputEvents
while monotonic_time() < end:
QApplication.processEvents(eventFlags, 10)
QThread.msleep(10)
# Color used for errors
def getErrorColor():
return QColor("#FFC0C0")
def handleFatalException(parentWidget=None):
text = str(traceback.format_exc())
print("Fatal exception:\n", text)
text = saxutils.escape(text)
QMessageBox.critical(parentWidget,
"A fatal exception occurred",
"<pre>"
"A fatal exception occurred:\n\n"
"%s\n\n"
"Awlsim will be terminated."
"</pre>" % text)
sys.exit(1)
class MessageBox(QDialog):
def __init__(self,
parent,
title,
text,
verboseText=None,
icon=QMessageBox.Critical,
okButton=True,
continueButton=False,
cancelButton=False):
QDialog.__init__(self, parent)
self.setLayout(QGridLayout())
self.setWindowTitle(title)
self.text = "<pre>" + saxutils.escape(text) + "\n</pre>"
self.verboseText = None
if verboseText and verboseText.strip() != text.strip():
self.verboseText = "<pre>" + saxutils.escape(verboseText) + "\n</pre>"
self.textBox = QLabel(self)
self.textBox.setTextInteractionFlags(Qt.TextSelectableByMouse |\
Qt.TextSelectableByKeyboard |\
Qt.LinksAccessibleByMouse |\
Qt.LinksAccessibleByKeyboard)
self.layout().addWidget(self.textBox, 0, 0, 1, 3)
if self.verboseText:
self.verboseCheckBox = QCheckBox("Show verbose information", self)
self.layout().addWidget(self.verboseCheckBox, 1, 0, 1, 3)
else:
self.verboseCheckBox = None
buttonsLayout = QHBoxLayout()
if okButton:
self.okButton = QPushButton("&Ok", self)
buttonsLayout.addWidget(self.okButton)
if continueButton:
self.continueButton = QPushButton("C&ontinue", self)
buttonsLayout.addWidget(self.continueButton)
if cancelButton:
self.cancelButton = QPushButton("&Cancel", self)
buttonsLayout.addWidget(self.cancelButton)
self.layout().addLayout(buttonsLayout, 2, 1)
self.__updateText()
if okButton:
self.okButton.released.connect(self.accept)
if continueButton:
self.continueButton.released.connect(self.accept)
if cancelButton:
self.cancelButton.released.connect(self.reject)
if self.verboseCheckBox:
self.verboseCheckBox.stateChanged.connect(self.__updateText)
def __updateText(self):
if self.verboseCheckBox and\
self.verboseCheckBox.checkState() == Qt.Checked:
self.textBox.setText(self.verboseText)
else:
self.textBox.setText(self.text)
@classmethod
def error(cls, parent, text, verboseText=None, **kwargs):
dlg = cls(parent=parent,
title="Awlsim - Error",
text=text,
verboseText=verboseText,
icon=QMessageBox.Critical,
**kwargs)
res = dlg.exec_()
dlg.deleteLater()
return res
@classmethod
def warning(cls, parent, text, verboseText=None, **kwargs):
dlg = cls(parent=parent,
title="Awlsim - Warning",
text=text,
verboseText=verboseText,
icon=QMessageBox.Warning,
**kwargs)
res = dlg.exec_()
dlg.deleteLater()
return res
awlSimErrorBlocked = Blocker()
@classmethod
def handleAwlSimError(cls, parent, description, exception, **kwargs):
if exception.getSeenByUser() or cls.awlSimErrorBlocked:
return cls.Accepted
exception.setSeenByUser()
def maketext(verbose):
text = "An exception occurred:"
if description:
text += "\n"
text += " " + description + "."
text += "\n\n"
text += exception.getReport(verbose)
return text
return cls.error(parent=parent,
text=maketext(False),
verboseText=maketext(True),
**kwargs)
@classmethod
def handleAwlParserError(cls, parent, exception, **kwargs):
return cls.handleAwlSimError(parent=parent,
description=None,
exception=exception,
**kwargs)
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