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Diffstat (limited to 'silx/gui/widgets/FloatEdit.py')
-rw-r--r-- | silx/gui/widgets/FloatEdit.py | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/silx/gui/widgets/FloatEdit.py b/silx/gui/widgets/FloatEdit.py new file mode 100644 index 0000000..fd6d8a7 --- /dev/null +++ b/silx/gui/widgets/FloatEdit.py @@ -0,0 +1,65 @@ +# coding: utf-8 +# /*########################################################################## +# +# Copyright (c) 2004-2017 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. +# +# ###########################################################################*/ +"""Module contains a float editor +""" + +from __future__ import division + +__authors__ = ["V.A. Sole", "T. Vincent"] +__license__ = "MIT" +__date__ = "02/10/2017" + +from .. import qt + + +class FloatEdit(qt.QLineEdit): + """Field to edit a float value. + + :param parent: See :class:`QLineEdit` + :param float value: The value to set the QLineEdit to. + """ + def __init__(self, parent=None, value=None): + qt.QLineEdit.__init__(self, parent) + validator = qt.QDoubleValidator(self) + self.setValidator(validator) + self.setAlignment(qt.Qt.AlignRight) + if value is not None: + self.setValue(value) + + def value(self): + """Return the QLineEdit current value as a float.""" + text = self.text() + value, validated = self.validator().locale().toDouble(text) + if not validated: + self.setValue(value) + return value + + def setValue(self, value): + """Set the current value of the LineEdit + + :param float value: The value to set the QLineEdit to. + """ + text = self.validator().locale().toString(value) + self.setText(text) |