本文整理汇总了Python中PyQt5.QtCore.Signal方法的典型用法代码示例。如果您正苦于以下问题：Python QtCore.Signal方法的具体用法？Python QtCore.Signal怎么用？Python QtCore.Signal使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtCore的用法示例。
在下文中一共展示了QtCore.Signal方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _setup_pyqt5
# 需要导入模块: from PyQt5 import QtCore [as 别名]
# 或者: from PyQt5.QtCore import Signal [as 别名]
def _setup_pyqt5():
global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName
if QT_API == QT_API_PYQT5:
from PyQt5 import QtCore, QtGui, QtWidgets
__version__ = QtCore.PYQT_VERSION_STR
QtCore.Signal = QtCore.pyqtSignal
QtCore.Slot = QtCore.pyqtSlot
QtCore.Property = QtCore.pyqtProperty
elif QT_API == QT_API_PYSIDE2:
from PySide2 import QtCore, QtGui, QtWidgets, __version__
else:
raise ValueError("Unexpected value for the 'backend.qt5' rcparam")
_getSaveFileName = QtWidgets.QFileDialog.getSaveFileName
def is_pyqt5():
return True 示例2: import_pyqt5
# 需要导入模块: from PyQt5 import QtCore [as 别名]
# 或者: from PyQt5.QtCore import Signal [as 别名]
def import_pyqt5():
"""
Import PyQt5
ImportErrors rasied within this function are non-recoverable
"""
from PyQt5 import QtCore, QtSvg, QtWidgets, QtGui, QtPrintSupport
import sip
# Alias PyQt-specific functions for PySide compatibility.
QtCore.Signal = QtCore.pyqtSignal
QtCore.Slot = QtCore.pyqtSlot
# Join QtGui and QtWidgets for Qt4 compatibility.
QtGuiCompat = types.ModuleType('QtGuiCompat')
QtGuiCompat.__dict__.update(QtGui.__dict__)
QtGuiCompat.__dict__.update(QtWidgets.__dict__)
QtGuiCompat.__dict__.update(QtPrintSupport.__dict__)
api = QT_API_PYQT5
return QtCore, QtGuiCompat, QtSvg, api 示例3: import_pyqt4
# 需要导入模块: from PyQt5 import QtCore [as 别名]
# 或者: from PyQt5.QtCore import Signal [as 别名]
def import_pyqt4(version=2):
"""
Import PyQt4
Parameters
----------
version : 1, 2, or None
Which QString/QVariant API to use. Set to None to use the system
default
ImportErrors raised within this function are non-recoverable
"""
# The new-style string API (version=2) automatically
# converts QStrings to Unicode Python strings. Also, automatically unpacks
# QVariants to their underlying objects.
import sip
if version is not None:
sip.setapi('QString', version)
sip.setapi('QVariant', version)
from PyQt4 import QtGui, QtCore, QtSvg
if not check_version(QtCore.PYQT_VERSION_STR, '4.7'):
raise ImportError("IPython requires PyQt4 >= 4.7, found %s" %
QtCore.PYQT_VERSION_STR)
# Alias PyQt-specific functions for PySide compatibility.
QtCore.Signal = QtCore.pyqtSignal
QtCore.Slot = QtCore.pyqtSlot
# query for the API version (in case version == None)
version = sip.getapi('QString')
api = QT_API_PYQTv1 if version == 1 else QT_API_PYQT
return QtCore, QtGui, QtSvg, api 示例4: import_pyqt5
# 需要导入模块: from PyQt5 import QtCore [as 别名]
# 或者: from PyQt5.QtCore import Signal [as 别名]
def import_pyqt5():
"""
Import PyQt5
ImportErrors raised within this function are non-recoverable
"""
from PyQt5 import QtGui, QtCore, QtSvg
# Alias PyQt-specific functions for PySide compatibility.
QtCore.Signal = QtCore.pyqtSignal
QtCore.Slot = QtCore.pyqtSlot
return QtCore, QtGui, QtSvg, QT_API_PYQT5 示例5: get_Signal
# 需要导入模块: from PyQt5 import QtCore [as 别名]
# 或者: from PyQt5.QtCore import Signal [as 别名]
def get_Signal():
"""Signal getter."""
try:
import PySide.QtCore as QtCore
return QtCore.Signal
except ImportError:
import PyQt5.QtCore as QtCore
return QtCore.pyqtSignal 示例6: import_pyqt4
# 需要导入模块: from PyQt5 import QtCore [as 别名]
# 或者: from PyQt5.QtCore import Signal [as 别名]
def import_pyqt4(version=2):
"""
Import PyQt4
Parameters
----------
version : 1, 2, or None
Which QString/QVariant API to use. Set to None to use the system
default
ImportErrors rasied within this function are non-recoverable
"""
# The new-style string API (version=2) automatically
# converts QStrings to Unicode Python strings. Also, automatically unpacks
# QVariants to their underlying objects.
import sip
if version is not None:
sip.setapi('QString', version)
sip.setapi('QVariant', version)
from PyQt4 import QtGui, QtCore, QtSvg
if not check_version(QtCore.PYQT_VERSION_STR, '4.7'):
raise ImportError("QtConsole requires PyQt4 >= 4.7, found %s" %
QtCore.PYQT_VERSION_STR)
# Alias PyQt-specific functions for PySide compatibility.
QtCore.Signal = QtCore.pyqtSignal
QtCore.Slot = QtCore.pyqtSlot
# query for the API version (in case version == None)
version = sip.getapi('QString')
api = QT_API_PYQTv1 if version == 1 else QT_API_PYQT
return QtCore, QtGui, QtSvg, api 示例7: _setup_pyqt4
# 需要导入模块: from PyQt5 import QtCore [as 别名]
# 或者: from PyQt5.QtCore import Signal [as 别名]
def _setup_pyqt4():
global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName
def _setup_pyqt4_internal(api):
global QtCore, QtGui, QtWidgets, \
__version__, is_pyqt5, _getSaveFileName
# List of incompatible APIs:
# http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
_sip_apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime",
"QUrl", "QVariant"]
try:
import sip
except ImportError:
pass
else:
for _sip_api in _sip_apis:
try:
sip.setapi(_sip_api, api)
except ValueError:
pass
from PyQt4 import QtCore, QtGui
__version__ = QtCore.PYQT_VERSION_STR
# PyQt 4.6 introduced getSaveFileNameAndFilter:
# https://riverbankcomputing.com/news/pyqt-46
if __version__ < LooseVersion("4.6"):
raise ImportError("PyQt<4.6 is not supported")
QtCore.Signal = QtCore.pyqtSignal
QtCore.Slot = QtCore.pyqtSlot
QtCore.Property = QtCore.pyqtProperty
_getSaveFileName = QtGui.QFileDialog.getSaveFileNameAndFilter
if QT_API == QT_API_PYQTv2:
_setup_pyqt4_internal(api=2)
elif QT_API == QT_API_PYSIDE:
from PySide import QtCore, QtGui, __version__, __version_info__
# PySide 1.0.3 fixed the following:
# https://srinikom.github.io/pyside-bz-archive/809.html
if __version_info__ < (1, 0, 3):
raise ImportError("PySide<1.0.3 is not supported")
_getSaveFileName = QtGui.QFileDialog.getSaveFileName
elif QT_API == QT_API_PYQT:
_setup_pyqt4_internal(api=1)
else:
raise ValueError("Unexpected value for the 'backend.qt4' rcparam")
QtWidgets = QtGui
def is_pyqt5():
return False