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gui/tools: add getOpenFileName

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This commit is contained in:
Robert Jördens 2016-05-07 19:01:14 +02:00
parent 47c7b04ac6
commit 5332c198c2
1 changed files with 17 additions and 1 deletions
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18
artiq/gui/tools.py
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@ -1,6 +1,7 @@
import asyncio
import logging
from PyQt5 import QtCore, QtWidgets, QtGui
from PyQt5 import QtCore, QtWidgets
def log_level_to_name(level):
@ -45,3 +46,18 @@ class LayoutWidget(QtWidgets.QWidget):
def addWidget(self, item, row=0, col=0, rowspan=1, colspan=1):
self.layout.addWidget(item, row, col, rowspan, colspan)
async def getOpenFileName(parent, caption, dir, filter):
"""like QtWidgets.QFileDialog.getOpenFileName(), but a coroutine"""
dialog = QtWidgets.QFileDialog(parent, caption, dir, filter)
dialog.setFileMode(dialog.ExistingFile)
dialog.setAcceptMode(dialog.AcceptOpen)
fut = asyncio.Future()
def on_accept():
fut.set_result(dialog.selectedFiles()[0])
dialog.accepted.connect(on_accept)
dialog.rejected.connect(fut.cancel)
dialog.open()
return await fut