#############################################################################
##
## Copyright (C) 2021 Riverbank Computing Limited.
## Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
##
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## modification, are permitted provided that the following conditions are
## met:
##   * Redistributions of source code must retain the above copyright
##     notice, this list of conditions and the following disclaimer.
##   * Redistributions in binary form must reproduce the above copyright
##     notice, this list of conditions and the following disclaimer in
##     the documentation and/or other materials provided with the
##     distribution.
##   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
##     of its contributors may be used to endorse or promote products derived
##     from this software without specific prior written permission.
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##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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## $QT_END_LICENSE$
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#############################################################################


from PyQt6.QtCore import pyqtProperty, pyqtSignal, QRectF, QUrl
from PyQt6.QtGui import QColor, QGuiApplication, QPainter, QPen
from PyQt6.QtQml import qmlRegisterType
from PyQt6.QtQuick import QQuickPaintedItem, QQuickView


class PieChart(QQuickPaintedItem):

    nameChanged = pyqtSignal(str)

    @pyqtProperty(str, notify=nameChanged)
    def name(self):
        return self._name

    @name.setter
    def name(self, name):
        if self._name != name:
            self._name = name
            self.nameChanged.emit(name)
            self.update()

    @pyqtProperty(QColor)
    def color(self):
        return self._color

    @color.setter
    def color(self, color):
        self._color = QColor(color)

    def __init__(self, parent=None):
        super().__init__(parent)

        self._name = ''
        self._color = QColor()

    def paint(self, painter):
        painter.setPen(QPen(self._color, 2))
        painter.setRenderHint(QPainter.RenderHint.Antialiasing, True)

        rect = QRectF(0, 0, self.width(), self.height()).adjusted(1, 1, -1, -1)
        painter.drawPie(rect, 90 * 16, 290 * 16)


if __name__ == '__main__':
    import os
    import sys

    os.chdir(os.path.dirname(os.path.abspath(__file__)))

    app = QGuiApplication(sys.argv)

    qmlRegisterType(PieChart, 'Charts', 1, 0)

    view = QQuickView()
    view.setResizeMode(QQuickView.ResizeMode.SizeRootObjectToView)
    view.setSource(QUrl.fromLocalFile('app.qml'))
    view.show()

    sys.exit(app.exec())
