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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!
""" A dialog that allows the user to select a color. """
from pyface.qt import QtGui
from traits.api import Bool, provides
from pyface.color import Color
from pyface.ui_traits import PyfaceColor
from pyface.i_color_dialog import IColorDialog
from .dialog import Dialog
@provides(IColorDialog)
class ColorDialog(Dialog):
""" A dialog that allows the user to choose a color.
"""
# 'IColorDialog' interface ----------------------------------------------
#: The color in the dialog.
color = PyfaceColor()
#: Whether or not to allow the user to chose an alpha value.
show_alpha = Bool(False)
# ------------------------------------------------------------------------
# 'IDialog' interface.
# ------------------------------------------------------------------------
def _create_contents(self, parent):
# In PyQt this is a canned dialog so there are no contents.
pass
# ------------------------------------------------------------------------
# 'IWindow' interface.
# ------------------------------------------------------------------------
def close(self):
if self.control.result() == QtGui.QDialog.DialogCode.Accepted:
qcolor = self.control.selectedColor()
self.color = Color.from_toolkit(qcolor)
return super(ColorDialog, self).close()
# ------------------------------------------------------------------------
# 'IWindow' interface.
# ------------------------------------------------------------------------
def _create_control(self, parent):
qcolor = self.color.to_toolkit()
dialog = QtGui.QColorDialog(qcolor, parent)
if self.show_alpha:
dialog.setOptions(QtGui.QColorDialog.ColorDialogOption.ShowAlphaChannel)
return dialog
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