對於可以直接從閃存/筆/ usb/jump/thumb驅動器運行的應用程序,爲了便於從一臺機器移動到另一臺機器,它對用戶來說是有意義的要存儲在記憶棒上的設置與運行程序的目錄相同(而不是每臺計算機的Windows/Mac/Linux用戶或系統目錄)。QSettings():如何保存到當前工作目錄
QSettings()很方便,但是可以告訴它使用當前的工作目錄嗎?
這裏有一個小例子程序,保持其屏幕上的位置從運行使用QSettings()來運行:
from PySide import QtGui, QtCore
from PySide.QtGui import QTabWidget, QApplication
from PySide.QtCore import QSettings
class AbcApp(QTabWidget):
def __init__(self):
super(AbcApp, self).__init__()
self.settings = QSettings(QSettings.IniFormat,QSettings.SystemScope, '__MyBiz', '__settings')
self.settings.setFallbacksEnabled(False) # File only, not registry or or.
# setPath() to try to save to current working directory
self.settings.setPath(QSettings.IniFormat,QSettings.SystemScope, './__settings.ini')
# Initial window size/pos last saved
self.resize(self.settings.value("size", QtCore.QSize(270, 225)))
self.move(self.settings.value("pos", QtCore.QPoint(50, 50)))
self.tab = QtGui.QWidget()
self.textEdit = QtGui.QTextEdit(self.tab)
self.textEdit.setHtml('<font color=grey>[QTextEdit area]</font><p><center><font color=blue size=4><b>Allo Woyld</b></font></center>')
self.addTab(self.tab, 'tab1')
def closeEvent(self, e):
# Write window size and position to config file
self.settings.setValue("size", self.size())
self.settings.setValue("pos", self.pos())
e.accept()
if __name__ == '__main__':
app = QApplication('')
frame = AbcApp()
frame.show()
app.exec_()
此.ini文件被創建,因爲我正好在此刻在Windows平臺上運行:Ç :\ Documents and Settings \ All Users \ Application Data__MyBiz__settings.ini。
UserScope而不是SystemScope沒有幫助。
'.'
而不是'./__settings.ini'
沒有工作,setPath()basicaly沒有效果。
也試過這個無濟於事:
filepath = os.getcwd() + '/__settings.ini'
self.settings.setPath(QSettings.IniFormat,QSettings.SystemScope, filepath)
參考:https://doc.qt.io/archives/qt-4.8/qsettings.html http://www.pyside.org/docs/pyside/PySide/QtCore/QSettings.html
有希望,雖然我不知道如何去適應PySide:
http://www.qtcentre.org/archive/index.php/t-35287.html
更新: alexisdm的答案有效,所以現在更新的代碼如下:
from PySide import QtGui, QtCore
from PySide.QtGui import QTabWidget, QApplication
from PySide.QtCore import QSettings
class AbcApp(QTabWidget):
def __init__(self):
super(AbcApp, self).__init__()
self.settings = QSettings('settings.ini', QSettings.IniFormat)
self.settings.setFallbacksEnabled(False) # File only, no fallback to registry or or.
# Initial window size/pos last saved if available
self.resize(self.settings.value('size', QtCore.QSize(270, 225)))
self.move(self.settings.value('pos', QtCore.QPoint(50, 50)))
self.tab = QtGui.QWidget()
self.textEdit = QtGui.QTextEdit(self.tab)
self.textEdit.setHtml('<font color=grey>[QTextEdit area]</font><p><center><font color=blue size=4><b>Allo Woyld</b></font></center>')
self.addTab(self.tab, 'tab1')
def closeEvent(self, e):
self.settings.setValue('size', self.size())
self.settings.setValue('pos', self.pos())
e.accept()
if __name__ == '__main__':
app = QApplication('')
frame = AbcApp()
frame.show()
app.exec_()
這很有效,謝謝。 – gseattle