forked from openlp/openlp
83 lines
3.2 KiB
Python
83 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2018 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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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 hexidecimal 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 hexidecimal 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 hexidecimal 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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