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# -*- coding: utf-8 -*-
__author__ = "Roman Chernikov, Konstantin Klementiev"
__date__ = "01 Nov 2017"
#try:
# from matplotlib.backends import qt_compat
#except ImportError:
# from matplotlib.backends import qt4_compat
# qt_compat = qt4_compat
QtImports = 'PyQt5', 'PyQt4', 'PySide2', 'PySide6'
for QtImport in QtImports:
try:
__import__(QtImport)
QtName = QtImport
break
except ImportError:
QtName = None
else:
raise ImportError("Cannot import any PyQt package!")
starImport = False # star import doesn't work with mock import needed for rtfd
#if 'pyqt4' in qt_compat.QT_API.lower(): # also 'PyQt4v2'
if QtName == "PyQt4":
from PyQt4 import QtGui, QtCore
import PyQt4.QtGui as myQtGUI
if starImport:
from PyQt4.QtGui import *
from PyQt4.QtCore import *
Signal = pyqtSignal
else:
from PyQt4.QtCore import (
SIGNAL, QUrl, QObject, QTimer, QProcess,
QThread, QT_VERSION_STR, PYQT_VERSION_STR)
from PyQt4.QtGui import QSortFilterProxyModel
try:
from PyQt4.QtCore import Signal
except ImportError:
from PyQt4.QtCore import pyqtSignal as Signal
import PyQt4.QtCore
locals().update(vars(PyQt4.QtCore.Qt))
from PyQt4.QtOpenGL import QGLWidget
from PyQt4.QtSql import (QSqlDatabase, QSqlQuery, QSqlTableModel,
QSqlQueryModel)
import PyQt4.QtWebKit as QtWeb
try:
import PyQt4.Qwt5 as Qwt
except: # analysis:ignore
pass
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as\
FigCanvas
#elif 'pyqt5' in qt_compat.QT_API.lower():
elif QtName == "PyQt5":
from PyQt5 import QtGui, QtCore
import PyQt5.QtWidgets as myQtGUI
if starImport:
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
Signal = pyqtSignal
else:
from PyQt5.QtCore import (
pyqtSignal, QUrl, QObject, QTimer, QProcess, QThread,
QT_VERSION_STR, PYQT_VERSION_STR, QSortFilterProxyModel)
try:
from PyQt5.QtCore import Signal
except ImportError:
from PyQt5.QtCore import pyqtSignal as Signal
import PyQt5.QtCore
locals().update(vars(PyQt5.QtCore.Qt))
from PyQt5.QtOpenGL import QGLWidget
from PyQt5.QtSql import (QSqlDatabase, QSqlQuery, QSqlTableModel,
QSqlQueryModel)
try:
import PyQt5.QtWebEngineWidgets as QtWeb
except ImportError:
import PyQt5.QtWebKitWidgets as QtWeb
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as\
FigCanvas
elif QtName == "PySide2":
from PySide2 import QtGui, QtCore
import PySide2.QtWidgets as myQtGUI
if starImport:
from PySide2.QtGui import *
from PySide2.QtCore import *
from PySide2.QtWidgets import *
else:
from PySide2.QtCore import (
QUrl, QObject, QTimer, QProcess, QThread, QSortFilterProxyModel)
try:
from PySide2.QtCore import Signal
except ImportError:
from PySide2.QtCore import pyqtSignal as Signal
import PySide2.QtCore
QT_VERSION_STR = PySide2.QtCore.qVersion()
PYQT_VERSION_STR = PySide2.__version__
locals().update(vars(PySide2.QtCore.Qt))
from PySide2.QtOpenGL import QGLWidget
from PySide2.QtSql import (QSqlDatabase, QSqlQuery, QSqlTableModel,
QSqlQueryModel)
try:
import PySide2.QtWebEngineWidgets as QtWeb
except ImportError:
import PySide2.QtWebKitWidgets as QtWeb
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as\
FigCanvas
else:
raise ImportError("Cannot import any Python Qt package!")
if not starImport:
(QWidget, QApplication, QAction, QTabWidget, QToolBar, QStatusBar,
QTreeView, QShortcut, QAbstractItemView, QHBoxLayout, QVBoxLayout,
QSplitter, StdQComboBox, QMenu, QListWidget, QTextEdit, QMessageBox,
QFileDialog, QListWidgetItem, QGroupBox, QProgressBar, QLabel, QTableView,
QSizePolicy, QLineEdit, QCheckBox, QSpinBox, QSlider, QToolButton,
QPushButton, QDialog) = (
myQtGUI.QWidget, myQtGUI.QApplication, myQtGUI.QAction,
myQtGUI.QTabWidget, myQtGUI.QToolBar, myQtGUI.QStatusBar,
myQtGUI.QTreeView, myQtGUI.QShortcut, myQtGUI.QAbstractItemView,
myQtGUI.QHBoxLayout, myQtGUI.QVBoxLayout, myQtGUI.QSplitter,
myQtGUI.QComboBox, myQtGUI.QMenu, myQtGUI.QListWidget,
myQtGUI.QTextEdit, myQtGUI.QMessageBox, myQtGUI.QFileDialog,
myQtGUI.QListWidgetItem, myQtGUI.QGroupBox, myQtGUI.QProgressBar,
myQtGUI.QLabel, myQtGUI.QTableView, myQtGUI.QSizePolicy,
myQtGUI.QLineEdit, myQtGUI.QCheckBox, myQtGUI.QSpinBox,
myQtGUI.QSlider, myQtGUI.QToolButton, myQtGUI.QPushButton,
myQtGUI.QDialog)
(QIcon, QFont, QKeySequence, QStandardItemModel, QStandardItem, QPixmap,
QDoubleValidator, QIntValidator, QDrag) = (
QtGui.QIcon, QtGui.QFont, QtGui.QKeySequence, QtGui.QStandardItemModel,
QtGui.QStandardItem, QtGui.QPixmap, QtGui.QDoubleValidator,
QtGui.QIntValidator, QtGui.QDrag)
class mySlider(QSlider):
def __init__(self, parent, scaleDirection, scalePosition):
super(mySlider, self).__init__(scaleDirection)
self.setTickPosition(scalePosition)
self.scale = 1.
def setRange(self, start, end, step):
if step == 0:
return
self.scale = 1. / step
# QSlider.setRange(self, int(start/step), int(end/step))
super(mySlider, self).setRange(int(start/step), int(end/step))
def setValue(self, value):
# QSlider.setValue(self, int(value*self.scale))
super(mySlider, self).setValue(int(value*self.scale))
try:
glowSlider = Qwt.QwtSlider
glowTopScale = Qwt.QwtSlider.TopScale
except: # analysis:ignore
glowSlider = mySlider
glowTopScale = QSlider.TicksAbove
class QComboBox(StdQComboBox):
"""
Disabling off-focus mouse wheel scroll is based on the following solution:
https://stackoverflow.com/questions/3241830/qt-how-to-disable-mouse-scrolling-of-qcombobox/3242107#3242107
"""
def __init__(self, *args, **kwargs):
super(QComboBox, self).__init__(*args, **kwargs)
# self.scrollWidget=scrollWidget
self.setFocusPolicy(QtCore.Qt.StrongFocus)
def wheelEvent(self, *args, **kwargs):
if self.hasFocus():
return StdQComboBox.wheelEvent(self, *args, **kwargs)
else:
return self.parent().wheelEvent(*args, **kwargs)
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