Source code for openlp.core.lib.colorbutton

# -*- coding: utf-8 -*-
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# OpenLP - Open Source Lyrics Projection                                      #
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"""
Provide a custom widget based on QPushButton for the selection of colors
"""
from PyQt5 import QtCore, QtGui, QtWidgets

from openlp.core.common import translate


[docs]class ColorButton(QtWidgets.QPushButton): """ Subclasses QPushbutton to create a "Color Chooser" button """ colorChanged = QtCore.pyqtSignal(str) def __init__(self, parent=None): """ Initialise the ColorButton """ super(ColorButton, self).__init__() self.parent = parent self.change_color('#ffffff') self.setToolTip(translate('OpenLP.ColorButton', 'Click to select a color.')) self.clicked.connect(self.on_clicked)
[docs] def change_color(self, color): """ Sets the _color variable and the background color. :param color: String representation of a hexidecimal color """ self._color = color self.setStyleSheet('background-color: %s' % color)
@property def color(self): """ Property method to return the color variable :return: String representation of a hexidecimal color """ return self._color @color.setter
[docs] def color(self, color): """ Property setter to change the instance color :param color: String representation of a hexidecimal color """ self.change_color(color)
[docs] def on_clicked(self): """ Handle the PushButton clicked signal, showing the ColorDialog and validating the input """ new_color = QtWidgets.QColorDialog.getColor(QtGui.QColor(self._color), self.parent) if new_color.isValid() and self._color != new_color.name(): self.change_color(new_color.name()) self.colorChanged.emit(new_color.name())