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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
""" Qt alignment helper functions """
from pyface.qt.QtCore import Qt
ALIGNMENT_TO_QALIGNMENT = {
"default": Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter,
"left": Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter,
"center": Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter,
"right": Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter,
}
QALIGNMENT_TO_ALIGNMENT = {
0: "default",
int(Qt.AlignmentFlag.AlignLeft): "left",
int(Qt.AlignmentFlag.AlignHCenter): "center",
int(Qt.AlignmentFlag.AlignRight): "right",
}
ALIGNMENT_MASK = (
Qt.AlignmentFlag.AlignLeft
| Qt.AlignmentFlag.AlignHCenter
| Qt.AlignmentFlag.AlignRight
)
def alignment_to_qalignment(alignment):
"""Convert an Alignment trait value to a Qt Alignment
Parameters
----------
alignment : str
An Alignment trait value, one of "default", "left", "center", or
"right".
Returns
-------
qalignment : Qt.AlignmentFlag
A Qt.AlignmentFlag value
"""
return ALIGNMENT_TO_QALIGNMENT[alignment]
def qalignment_to_alignment(alignment):
"""Convert a Qt Alignment value to an Alignment trait
Parameters
----------
qalignment : Qt.AlignmentFlag
A Qt.AlignmentFlag value
Returns
-------
alignment : str
An Alignment trait value, one of "default", "left", "center", or
"right".
"""
h_alignment = int(alignment & ALIGNMENT_MASK)
return QALIGNMENT_TO_ALIGNMENT[h_alignment]
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