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Diffstat (limited to 'silx/gui/dialog/utils.py')
-rw-r--r-- | silx/gui/dialog/utils.py | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/silx/gui/dialog/utils.py b/silx/gui/dialog/utils.py new file mode 100644 index 0000000..1c16b44 --- /dev/null +++ b/silx/gui/dialog/utils.py @@ -0,0 +1,104 @@ +# coding: utf-8 +# /*########################################################################## +# +# Copyright (c) 2016 European Synchrotron Radiation Facility +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. +# +# ###########################################################################*/ +""" +This module contains utilitaries used by other dialog modules. +""" + +__authors__ = ["V. Valls"] +__license__ = "MIT" +__date__ = "25/10/2017" + +import os +import sys +import types +from silx.gui import qt +from silx.third_party import six + + +def samefile(path1, path2): + """Portable :func:`os.path.samepath` function. + + :param str path1: A path to a file + :param str path2: Another path to a file + :rtype: bool + """ + if six.PY2 and sys.platform == "win32": + path1 = os.path.normcase(path1) + path2 = os.path.normcase(path2) + return path1 == path2 + if path1 == path2: + return True + if path1 == "": + return False + if path2 == "": + return False + return os.path.samefile(path1, path2) + + +def findClosestSubPath(hdf5Object, path): + """Find the closest existing path from the hdf5Object using a subset of the + provided path. + + Returns None if no path found. It is possible if the path is a relative + path. + + :param h5py.Node hdf5Object: An HDF5 node + :param str path: A path + :rtype: str + """ + if path in ["", "/"]: + return "/" + names = path.split("/") + if path[0] == "/": + names.pop(0) + for i in range(len(names)): + n = len(names) - i + path2 = "/".join(names[0:n]) + if path2 == "": + return "" + if path2 in hdf5Object: + return path2 + + if path[0] == "/": + return "/" + return None + + +def patchToConsumeReturnKey(widget): + """ + Monkey-patch a widget to consume the return key instead of propagating it + to the dialog. + """ + assert(not hasattr(widget, "_oldKeyPressEvent")) + + def keyPressEvent(self, event): + k = event.key() + result = self._oldKeyPressEvent(event) + if k in [qt.Qt.Key_Return, qt.Qt.Key_Enter]: + event.accept() + return result + + widget._oldKeyPressEvent = widget.keyPressEvent + widget.keyPressEvent = types.MethodType(keyPressEvent, widget) |