Python PyQt5.QtCore 模块，QTextStream() 实例源码
我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用PyQt5.QtCore.QTextStream()。
def __init__(self, subtitle, encoding="UTF-8"):
super().__init__()
subtitlefile = QFile(subtitle)
if not subtitlefile.open(QIODevice.ReadOnly | QIODevice.Text):
return
text = QTextStream(subtitlefile)
text.setCodec(encoding)
subtitletext = text.readAll()
# ('s?ra', 'saat', 'dakika', 'saniye', 'milisaniye', 'saat', 'dakika', 'saniye', 'milisaniye', 'birincisat?r', 'ikincisat?r')
compile = re.compile(r"(\d.*)\n(\d{2}):(\d{2}):(\d{2}),(\d{3}) --> (\d{2}):(\d{2}):(\d{2}),(\d{3})\n(\W.*|\w.*)\n(\w*|\W*|\w.*|\W.*)\n")
self.sublist = compile.findall(subtitletext)
def save(self):
filename, _ = QFileDialog.getSaveFileName(self,
"Choose a file name", '.', "HTML (*.html *.htm)")
if not filename:
return
file = QFile(filename)
if not file.open(QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Dock Widgets",
"Cannot write file %s:\n%s." % (filename, file.errorString()))
return
out = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
out << self.textEdit.toHtml()
QApplication.restoreOverrideCursor()
self.statusBar().showMessage("Saved '%s'" % filename, 2000)
def __init__(self, parent=None):
super(DragWidget, self).__init__(parent)
dictionaryFile = QFile(':/dictionary/words.txt')
dictionaryFile.open(QIODevice.ReadOnly)
x = 5
y = 5
for word in QTextStream(dictionaryFile).readAll().split():
wordLabel = DragLabel(word, self)
wordLabel.move(x, y)
wordLabel.show()
x += wordLabel.width() + 2
if x >= 195:
x = 5
y += wordLabel.height() + 2
newPalette = self.palette()
newPalette.setColor(QPalette.Window, Qt.white)
self.setPalette(newPalette)
self.setAcceptDrops(True)
self.setMinimumSize(400, max(200, y))
self.setWindowTitle("Draggable Text")
def save(self):
filename, _ = QFileDialog.getSaveFileName(self,
"Choose a file name", '.', "HTML (*.html *.htm)")
if not filename:
return
file = QFile(filename)
if not file.open(QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Dock Widgets",
"Cannot write file %s:\n%s." % (filename, file.errorString()))
return
out = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
out << self.textEdit.toHtml()
QApplication.restoreOverrideCursor()
self.statusBar().showMessage("Saved '%s'" % filename, 2000)
def __init__(self, parent=None):
super(DragWidget, self).__init__(parent)
dictionaryFile = QFile(':/dictionary/words.txt')
dictionaryFile.open(QIODevice.ReadOnly)
x = 5
y = 5
for word in QTextStream(dictionaryFile).readAll().split():
wordLabel = DragLabel(word, self)
wordLabel.move(x, y)
wordLabel.show()
x += wordLabel.width() + 2
if x >= 195:
x = 5
y += wordLabel.height() + 2
newPalette = self.palette()
newPalette.setColor(QPalette.Window, Qt.white)
self.setPalette(newPalette)
self.setAcceptDrops(True)
self.setMinimumSize(400, max(200, y))
self.setWindowTitle("Draggable Text")
def load_file(self, filename):
file = QFile("{}/{}".format(os.getcwd(), filename))
if not file.open(QtCore.QIODevice.ReadOnly):
print("couldn't open file")
stream = QtCore.QTextStream(file)
stream.setCodec("UTF-8")
content = stream.readAll()
# built structure tree
self.ast_generator.clear_ast()
self.ast_generator.parse(mistune.preprocessing(content), filename=filename)
entry = self.ast_generator.ast
entry["time"] = QFileInfo(file).lastModified().toMSecsSinceEpoch()
# add html code to tree nodes
for i, lvl2 in enumerate(list(entry["content"])):
content_markdown = "##{}\n{}".format(lvl2["title"], lvl2["content"])
content_html = self.markdowner_simple(content_markdown)
entry["content"][i]["html"] = self.preview_css_str + content_html
return entry
def displaylog_totextedit(self, commLogicObj):
"""
This method displaying Design messages(log messages)to textedit widget.
"""
fname = str(commLogicObj.call_saveMessages())
afile = QFile(fname)
if not afile.open(QIODevice.ReadOnly): # ReadOnly
QMessageBox.information(None, 'info', afile.errorString())
stream = QTextStream(afile)
self.ui.textEdit.clear()
self.ui.textEdit.setHtml(stream.readAll())
vscrollBar = self.ui.textEdit.verticalScrollBar()
vscrollBar.setValue(vscrollBar.maximum())
afile.close()
def displaylog_totextedit(self, commLogicObj):
'''
This method displaying Design messages(log messages)to textedit widget.
'''
fname = str(commLogicObj.call_saveMessages())
afile = QFile(fname)
if not afile.open(QIODevice.ReadOnly): # ReadOnly
QMessageBox.information(None, 'info', afile.errorString())
stream = QTextStream(afile)
self.ui.textEdit.clear()
self.ui.textEdit.setHtml(stream.readAll())
vscrollBar = self.ui.textEdit.verticalScrollBar()
vscrollBar.setValue(vscrollBar.maximum())
afile.close()
# QtViewer
def displaylog_totextedit(self,commLogicObj):
'''
This method displaying Design messages(log messages)to textedit widget.
'''
fname = str(commLogicObj.call_saveMessages())
afile = QFile(fname)
if not afile.open(QIODevice.ReadOnly): # ReadOnly
QMessageBox.information(None, 'info', afile.errorString())
stream = QTextStream(afile)
self.ui.textEdit.clear()
self.ui.textEdit.setHtml(stream.readAll())
vscroll_bar = self.ui.textEdit.verticalScrollBar()
vscroll_bar.setValue(vscroll_bar.maximum())
afile.close()
# QtViewer
def save(self):
filename, _ = QFileDialog.getSaveFileName(self,
"Choose a file name", '.', "HTML (*.html *.htm)")
if not filename:
return
file = QFile(filename)
if not file.open(QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Dock Widgets",
"Cannot write file %s:\n%s." % (filename, file.errorString()))
return
out = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
out << self.textEdit.toHtml()
QApplication.restoreOverrideCursor()
self.statusBar().showMessage("Saved '%s'" % filename, 2000)
def __init__(self, parent=None):
super(DragWidget, self).__init__(parent)
dictionaryFile = QFile(':/dictionary/words.txt')
dictionaryFile.open(QIODevice.ReadOnly)
x = 5
y = 5
for word in QTextStream(dictionaryFile).readAll().split():
wordLabel = DragLabel(word, self)
wordLabel.move(x, y)
wordLabel.show()
x += wordLabel.width() + 2
if x >= 195:
x = 5
y += wordLabel.height() + 2
newPalette = self.palette()
newPalette.setColor(QPalette.Window, Qt.white)
self.setPalette(newPalette)
self.setAcceptDrops(True)
self.setMinimumSize(400, max(200, y))
self.setWindowTitle("Draggable Text")
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:
pass
else:
pass
# Load the stylesheet content from resources
from qt.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
# 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 loadQSS(theme, devmode: bool = False) -> str:
if devmode:
filename = os.path.join(QFileInfo(__file__).absolutePath(), 'vidcutter/styles/{}.qss'.format(theme))
else:
filename = ':/styles/{}.qss'.format(theme)
if QFileInfo(filename).exists():
qssfile = QFile(filename)
qssfile.open(QFile.ReadOnly | QFile.Text)
content = QTextStream(qssfile).readAll()
qApp.setStyleSheet(content)
return content
def __init__(self, appid, *argv):
super(SingleApplication, self).__init__(*argv)
self._appid = appid
self._activationWindow = None
self._activateOnMessage = False
self._outSocket = QLocalSocket()
self._outSocket.connectToServer(self._appid)
self._isRunning = self._outSocket.waitForConnected()
self._outStream = None
self._inSocket = None
self._inStream = None
self._server = None
self.settings = QSettings(SingleApplication.getSettingsPath(), QSettings.IniFormat)
self.singleInstance = self.settings.value('singleInstance', 'on', type=str) in {'on', 'true'}
if self._isRunning and self.singleInstance:
self._outStream = QTextStream(self._outSocket)
for a in argv[0][1:]:
a = os.path.join(os.getcwd(), a)
if os.path.isfile(a):
self.sendMessage(a)
break
sys.exit(0)
else:
error = self._outSocket.error()
if error == QLocalSocket.ConnectionRefusedError:
self.close()
QLocalServer.removeServer(self._appid)
self._outSocket = None
self._server = QLocalServer()
self._server.listen(self._appid)
self._server.newConnection.connect(self._onNewConnection)
def _onNewConnection(self):
if self._inSocket:
self._inSocket.readyRead.disconnect(self._onReadyRead)
self._inSocket = self._server.nextPendingConnection()
if not self._inSocket:
return
self._inStream = QTextStream(self._inSocket)
self._inSocket.readyRead.connect(self._onReadyRead)
if self._activateOnMessage:
self.activateWindow()
def __init__(self,parent=None):
myo.Ui_MainWindow.__init__(self,parent)
self.setWindowFlags(Qt.FramelessWindowHint)
f = QFile("D:\MyoSEMG\BorderlessWindow.css")
if not f.exists():
self.statusBar().showMessage("Unable to load stylesheet, file not found in resources")
else:
f.open(QFile.ReadOnly | QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
self.setStyleSheet(stylesheet)
title_bar = QtWidgets.QWidget()
title_bar.pushButtonMinimize = QtWidgets.QToolButton()
title_bar.pushButtonMinimize.setIcon(QtGui.QIcon('Icons/Minimize.png'))
title_bar.pushButtonMaxmize = QtWidgets.QToolButton()
title_bar.pushButtonMaxmize.setIcon(QtGui.QIcon('Icons/Maxmize.png'))
title_bar.pushButtonClose = QtWidgets.QToolButton()
title_bar.pushButtonClose.setIcon(QtGui.QIcon('Icons/Close.png'))
title_bar.pushButtonMinimize.setMinimumHeight(10)
title_bar.pushButtonClose.setMinimumHeight(10)
title_bar.pushButtonMaxmize.setMinimumHeight(10)
label = QtWidgets.QLabel(self)
label.setText("MyoSEMG")
title_bar.setWindowTitle("MyoSEMG")
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(label)
hbox.addWidget(title_bar.pushButtonMinimize)
hbox.addWidget(title_bar.pushButtonMaxmize)
hbox.addWidget(title_bar.pushButtonClose)
hbox.insertStretch(1,500)
hbox.setSpacing(0)
self.setSizePolicy(QtWidgets.QSizePolicy.Expanding,QtWidgets.QSizePolicy.Fixed)
self.maxNormal = False
title_bar.pushButtonClose.clicked().connect(self.close)
title_bar.pushButtonMinimize.clicked.connect(self.showSmall)
title_bar.pushButtonMaxmize.clicked.connect(self.showMaxRestore)
def load_darkstyle():
f = QFile("darkstyle\style.qss")
if not f.exists():
_logger().error("Unable to load stylesheet, file not in resources")
return ""
else:
f.open(QFile.ReadOnly|QFile.Text)
ts = QTextStream(f)
stylesheet = ts.readAll()
return stylesheet
def load_windowstyle():
f = QFile("D:\MyoSEMG\BorderlessWindow.css")
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()
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 open(self):
fileName, _ = QFileDialog.getOpenFileName(self)
if fileName:
fd = QFile(fileName)
if not fd.open(QIODevice.ReadOnly):
QMessageBox.information(self, "Unable to open file",
fd.errorString())
return
output = QTextStream(fd).readAll()
# Display contents.
self.centralWidget.plainTextEdit.setPlainText(output)
self.centralWidget.setBaseUrl(QUrl.fromLocalFile(fileName))
def save(self):
content = self.centralWidget.plainTextEdit.toPlainText()
fileName, _ = QFileDialog.getSaveFileName(self)
if fileName:
fd = QFile(fileName)
if not fd.open(QIODevice.WriteOnly):
QMessageBox.information(self, "Unable to open file",
fd.errorString())
return
QTextStream(fd) << content
def slotSourceDownloaded(self):
reply = self.sender()
self.textEdit = QTextEdit()
self.textEdit.setAttribute(Qt.WA_DeleteOnClose)
self.textEdit.show()
self.textEdit.setPlainText(QTextStream(reply).readAll())
self.textEdit.resize(600, 400)
reply.deleteLater()
def updateTextEdit(self):
mib = self.encodingComboBox.itemData(self.encodingComboBox.currentIndex())
codec = QTextCodec.codecForMib(mib)
data = QTextStream(self.encodedData)
data.setAutoDetectUnicode(False)
data.setCodec(codec)
self.decodedStr = data.readAll()
self.textEdit.setPlainText(self.decodedStr)
def loadFile(self, fileName):
file = QFile(fileName)
if not file.open( QFile.ReadOnly | QFile.Text):
QMessageBox.warning(self, "Recent Files",
"Cannot read file %s:\n%s." % (fileName, file.errorString()))
return
instr = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
self.textEdit.setPlainText(instr.readAll())
QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
self.statusBar().showMessage("File loaded", 2000)
def saveFile(self, fileName):
file = QFile(fileName)
if not file.open( QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Recent Files",
"Cannot write file %s:\n%s." % (fileName, file.errorString()))
return
outstr = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
outstr << self.textEdit.toPlainText()
QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
self.statusBar().showMessage("File saved", 2000)
def open(self):
fileName, _ = QFileDialog.getOpenFileName(self)
if fileName:
fd = QFile(fileName)
if not fd.open(QIODevice.ReadOnly):
QMessageBox.information(self, "Unable to open file",
fd.errorString())
return
output = QTextStream(fd).readAll()
# Display contents.
self.centralWidget.plainTextEdit.setPlainText(output)
self.centralWidget.setBaseUrl(QUrl.fromLocalFile(fileName))
def save(self):
content = self.centralWidget.plainTextEdit.toPlainText()
fileName, _ = QFileDialog.getSaveFileName(self)
if fileName:
fd = QFile(fileName)
if not fd.open(QIODevice.WriteOnly):
QMessageBox.information(self, "Unable to open file",
fd.errorString())
return
QTextStream(fd) << content
def slotSourceDownloaded(self):
reply = self.sender()
self.textEdit = QTextEdit()
self.textEdit.setAttribute(Qt.WA_DeleteOnClose)
self.textEdit.show()
self.textEdit.setPlainText(QTextStream(reply).readAll())
self.textEdit.resize(600, 400)
reply.deleteLater()
def updateTextEdit(self):
mib = self.encodingComboBox.itemData(self.encodingComboBox.currentIndex())
codec = QTextCodec.codecForMib(mib)
data = QTextStream(self.encodedData)
data.setAutoDetectUnicode(False)
data.setCodec(codec)
self.decodedStr = data.readAll()
self.textEdit.setPlainText(self.decodedStr)
def loadFile(self, fileName):
file = QFile(fileName)
if not file.open( QFile.ReadOnly | QFile.Text):
QMessageBox.warning(self, "Recent Files",
"Cannot read file %s:\n%s." % (fileName, file.errorString()))
return
instr = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
self.textEdit.setPlainText(instr.readAll())
QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
self.statusBar().showMessage("File loaded", 2000)
def saveFile(self, fileName):
file = QFile(fileName)
if not file.open( QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Recent Files",
"Cannot write file %s:\n%s." % (fileName, file.errorString()))
return
outstr = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
outstr << self.textEdit.toPlainText()
QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
self.statusBar().showMessage("File saved", 2000)
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 initSkin(self):
skin = QFile("resources/themes/default.qss")
if not skin.exists() or not skin.open(QFile.ReadOnly | QFile.Text):
del skin
else:
qts = QTextStream(skin)
qts.setCodec("UTF-8")
data = qts.readAll()
skin.close()
del skin
self.setStyleSheet(data)
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 save_file(self, fileName):
"""(file open for writing)-> boolean
"""
fname = QFile(fileName)
if not fname.open(QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Application",
"Cannot write file %s:\n%s." % (fileName, fname.errorString()))
return False
outf = QTextStream(fname)
QApplication.setOverrideCursor(Qt.WaitCursor)
outf << self.ui.textEdit.toPlainText()
QApplication.restoreOverrideCursor()
def save_file(self, fileName):
'''(file open for writing)-> boolean
'''
fname = QFile(fileName)
if not fname.open(QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Application",
"Cannot write file %s:\n%s." % (fileName, fname.errorString()))
return False
outf = QTextStream(fname)
QApplication.setOverrideCursor(Qt.WaitCursor)
outf << self.ui.textEdit.toPlainText()
QApplication.restoreOverrideCursor()
def save_file(self, filename):
'''(file open for writing)-> boolean
'''
file_name = QFile(filename)
if not file_name.open(QFile.WriteOnly | QFile.Text):
return False
outf = QTextStream(file_name)
QApplication.setOverrideCursor(Qt.WaitCursor)
outf << self.ui.textEdit.toPlainText()
QApplication.restoreOverrideCursor()
def save_file(self, filename):
'''(file open for writing)-> boolean
'''
fname = QFile(filename)
if not fname.open(QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Application",
"Cannot write file %s:\n%s." % (filename, fname.errorString()))
return False
outf = QTextStream(fname)
QApplication.setOverrideCursor(Qt.WaitCursor)
outf << self.ui.textEdit.toPlainText()
QApplication.restoreOverrideCursor()
def open(self):
fileName, _ = QFileDialog.getOpenFileName(self)
if fileName:
fd = QFile(fileName)
if not fd.open(QIODevice.ReadOnly):
QMessageBox.information(self, "Unable to open file",
fd.errorString())
return
output = QTextStream(fd).readAll()
# Display contents.
self.centralWidget.plainTextEdit.setPlainText(output)
self.centralWidget.setBaseUrl(QUrl.fromLocalFile(fileName))
def save(self):
content = self.centralWidget.plainTextEdit.toPlainText()
fileName, _ = QFileDialog.getSaveFileName(self)
if fileName:
fd = QFile(fileName)
if not fd.open(QIODevice.WriteOnly):
QMessageBox.information(self, "Unable to open file",
fd.errorString())
return
QTextStream(fd) << content
def slotSourceDownloaded(self):
reply = self.sender()
self.textEdit = QTextEdit()
self.textEdit.setAttribute(Qt.WA_DeleteOnClose)
self.textEdit.show()
self.textEdit.setPlainText(QTextStream(reply).readAll())
self.textEdit.resize(600, 400)
reply.deleteLater()
def updateTextEdit(self):
mib = self.encodingComboBox.itemData(self.encodingComboBox.currentIndex())
codec = QTextCodec.codecForMib(mib)
data = QTextStream(self.encodedData)
data.setAutoDetectUnicode(False)
data.setCodec(codec)
self.decodedStr = data.readAll()
self.textEdit.setPlainText(self.decodedStr)
def loadFile(self, fileName):
file = QFile(fileName)
if not file.open( QFile.ReadOnly | QFile.Text):
QMessageBox.warning(self, "Recent Files",
"Cannot read file %s:\n%s." % (fileName, file.errorString()))
return
instr = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
self.textEdit.setPlainText(instr.readAll())
QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
self.statusBar().showMessage("File loaded", 2000)
def saveFile(self, fileName):
file = QFile(fileName)
if not file.open( QFile.WriteOnly | QFile.Text):
QMessageBox.warning(self, "Recent Files",
"Cannot write file %s:\n%s." % (fileName, file.errorString()))
return
outstr = QTextStream(file)
QApplication.setOverrideCursor(Qt.WaitCursor)
outstr << self.textEdit.toPlainText()
QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
self.statusBar().showMessage("File saved", 2000)
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