forked from openlp/openlp
82 lines
3.1 KiB
Python
82 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2022 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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Provide a custom widget based on QPushButton for the selection of colors
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"""
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from PyQt5 import QtCore, QtGui, QtWidgets
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from openlp.core.common.i18n import translate
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class ColorButton(QtWidgets.QPushButton):
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"""
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Subclasses QPushbutton to create a "Color Chooser" button
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"""
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colorChanged = QtCore.pyqtSignal(str)
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def __init__(self, parent=None):
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"""
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Initialise the ColorButton
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"""
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super().__init__(parent)
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self.parent = parent
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self.change_color('#ffffff')
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self.setToolTip(translate('OpenLP.ColorButton', 'Click to select a color.'))
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self.clicked.connect(self.on_clicked)
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def change_color(self, color):
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"""
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Sets the _color variable and the background color.
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:param color: String representation of a hexadecimal color
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"""
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self._color = color
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self.setStyleSheet('background-color: %s' % color)
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@property
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def color(self):
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"""
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Property method to return the color variable
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:return: String representation of a hexadecimal color
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"""
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return self._color
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@color.setter
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def color(self, color):
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"""
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Property setter to change the instance color
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:param color: String representation of a hexadecimal color
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"""
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self.change_color(color)
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def on_clicked(self):
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"""
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Handle the PushButton clicked signal, showing the ColorDialog and validating the input
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"""
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new_color = QtWidgets.QColorDialog.getColor(QtGui.QColor(self._color), self.parent)
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if new_color.isValid() and self._color != new_color.name():
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self.change_color(new_color.name())
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self.colorChanged.emit(new_color.name())
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