class FileSelector(QWidget):
def __init__(self, title="Select file", filter="All files (*.*)", parent=None):
"""If filter contains a pair of parentheses containing one or more of
anything*something, separated by spaces, then only the text contained
in the parentheses is used as the filter.
Equivalent filters:
"All C++ files (*.cpp *.cc *.C *.cxx *.c++)"
"*.cpp *.cc *.C *.cxx *.c++"
filter can also be a set, tuple or list
"""
QWidget.__init__(self, parent)
self.filter = filter
self.title = title
box = QHBoxLayout(self)
self.edit = QLineEdit()
self.edit.setMinimumWidth(self.edit.fontMetrics().averageCharWidth() * 15)
box.addWidget(self.edit)
button = QPushButton(tr("Browse"))
self.connect(button, SIGNAL('clicked()'), self.openFileDialog)
box.addWidget(button)
box.addStretch()
def openFileDialog(self):
selected = self.edit.text()
filename = QFileDialog.getOpenFileName(self, self.title, selected, self.filter)
if filename:
self.edit.setText(filename)
self.emit(SIGNAL('modified'), filename)
