def save_file(self, fileName):
'''(file open for writing)-> boolean
'''
fname = QtCore.QFile(fileName)
if not fname.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text):
QtGui.QMessageBox.warning(self, "Application",
"Cannot write file %s:\n%s." % (fileName, fname.errorString()))
return False
outf = QtCore.QTextStream(fname)
QtGui.QApplication.setOverrideCursor(QtCore.Qt.WaitCursor)
outf << self.ui.textEdit.toPlainText()
QtGui.QApplication.restoreOverrideCursor()
# self.setCurrentFile(fileName);
# QtGui.QMessageBox.about(self,'Information',"File saved")
python类QTextStream()的实例源码
def displaylog_totextedit(self):
'''
This method displaying Design messages(log messages)to textedit widget.
'''
afile = QtCore.QFile('./Connections/Shear/Finplate/fin.log')
if not afile.open(QtCore.QIODevice.ReadOnly): # ReadOnly
QtGui.QMessageBox.information(None, 'info', afile.errorString())
stream = QtCore.QTextStream(afile)
self.ui.textEdit.clear()
self.ui.textEdit.setHtml(stream.readAll())
vscrollBar = self.ui.textEdit.verticalScrollBar();
vscrollBar.setValue(vscrollBar.maximum());
afile.close()
def load_stylesheet(pyside=True):
"""
Loads the stylesheet. Takes care of importing the rc module.
:param pyside: True to load the pyside rc file, False to load the PyQt rc file
:return the stylesheet string
"""
# Smart import of the rc file
if pyside:
import qdarkstyle.pyside_style_rc
else:
import qdarkstyle.pyqt_style_rc
# Load the stylesheet content from resources
if not pyside:
from PyQt4.QtCore import QFile, QTextStream
else:
from PySide.QtCore import QFile, QTextStream
f = QFile(":qdarkstyle/style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
def load_stylesheet_pyqt5():
"""
Loads the stylesheet for use in a pyqt5 application.
:param pyside: True to load the pyside rc file, False to load the PyQt rc file
:return the stylesheet string
"""
# Smart import of the rc file
import qdarkstyle.pyqt5_style_rc
# Load the stylesheet content from resources
from PyQt5.QtCore import QFile, QTextStream
f = QFile(":qdarkstyle/style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
def load_stylesheet(pyside=True):
"""
Loads the stylesheet. Takes care of importing the rc module.
:param pyside: True to load the pyside rc file, False to load the PyQt rc file
:return the stylesheet string
"""
# Smart import of the rc file
if pyside:
import qdarkstyle.pyside_style_rc
else:
import qdarkstyle.pyqt_style_rc
# Load the stylesheet content from resources
if not pyside:
from PyQt4.QtCore import QFile, QTextStream
else:
from PySide.QtCore import QFile, QTextStream
f = QFile(":qdarkstyle/style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
def load_stylesheet(pyside=True):
"""
Loads the stylesheet. Takes care of importing the images module.
:param pyside: True to load the pyside images file, False to load the PyQt images file
:return the stylesheet string
"""
# Smart import of the images file
if pyside:
import qdarkstyle.pyside_style_rc
else:
import qdarkstyle.pyqt_style_rc
# Load the stylesheet content from resources
if not pyside:
from PyQt4.QtCore import QFile, QTextStream
else:
from PySide.QtCore import QFile, QTextStream
f = QFile(":darkBlue/style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
def load_stylesheet_pyqt5():
"""
Loads the stylesheet for use in a pyqt5 application.
:param pyside: True to load the pyside images file, False to load the PyQt images file
:return the stylesheet string
"""
# Smart import of the images file
import qdarkstyle.pyqt5_style_rc
# Load the stylesheet content from resources
from PyQt5.QtCore import QFile, QTextStream
f = QFile(":darkBlue/style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
def load_stylesheet(pyside=True):
"""
Loads the stylesheet. Takes care of importing the rc module.
:param pyside: True to load the pyside rc file, False to load the PyQt rc file
:return the stylesheet string
"""
# Smart import of the rc file
if pyside:
import qdarkstyle.pyside_style_rc
else:
import qdarkstyle.pyqt_style_rc
# Load the stylesheet content from resources
if not pyside:
from PyQt4.QtCore import QFile, QTextStream
else:
from PySide.QtCore import QFile, QTextStream
f = QFile(":qdarkstyle/style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
def load_stylesheet_pyqt5():
"""
Loads the stylesheet for use in a pyqt5 application.
:param pyside: True to load the pyside rc file, False to load the PyQt rc file
:return the stylesheet string
"""
# Smart import of the rc file
import qdarkstyle.pyqt5_style_rc
# Load the stylesheet content from resources
from PyQt5.QtCore import QFile, QTextStream
f = QFile(":qdarkstyle/style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
def load_stylesheet_pyqt5(**kwargs):
"""
Loads the stylesheet for use in a pyqt5 application.
:param pyside: True to load the pyside rc file, False to load the PyQt rc file
:return the stylesheet string
"""
# Smart import of the rc file
if kwargs["style"] == "style_Dark":
import PyQt5_stylesheets.pyqt5_style_Dark_rc
if kwargs["style"] == "style_DarkOrange":
import PyQt5_stylesheets.pyqt5_style_DarkOrange_rc
if kwargs["style"] == "style_Classic":
import PyQt5_stylesheets.pyqt5_style_Classic_rc
if kwargs["style"] == "style_navy":
import PyQt5_stylesheets.pyqt5_style_navy_rc
if kwargs["style"] == "style_gray":
import PyQt5_stylesheets.pyqt5_style_gray_rc
if kwargs["style"] == "style_blue":
import PyQt5_stylesheets.pyqt5_style_blue_rc
if kwargs["style"] == "style_black":
import PyQt5_stylesheets.pyqt5_style_black_rc
# Load the stylesheet content from resources
from PyQt5.QtCore import QFile, QTextStream
f = QFile(":PyQt5_stylesheets/%s.qss"%kwargs["style"])
if not f.exists():
f = QFile(":PyQt5_stylesheets/%s.css"%kwargs["style"])
if not f.exists():
_logger().error("Unable to load stylesheet, file not found in "
"resources")
return ""
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
if platform.system().lower() == 'darwin': # see issue #12 on github
mac_fix = '''
QDockWidget::title
{
background-color: #31363b;
text-align: center;
height: 12px;
}
'''
stylesheet += mac_fix
return stylesheet
