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Diffstat (limited to 'examples/quick/painteditem/painteditem.py')
-rw-r--r-- | examples/quick/painteditem/painteditem.py | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/examples/quick/painteditem/painteditem.py b/examples/quick/painteditem/painteditem.py new file mode 100644 index 000000000..5476bdbaf --- /dev/null +++ b/examples/quick/painteditem/painteditem.py @@ -0,0 +1,106 @@ +############################################################################# +## +## Copyright (C) 2020 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## 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 The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +import sys + +from PySide6.QtGui import QPainter, QBrush, QColor +from PySide6.QtWidgets import QApplication +from PySide6.QtQml import qmlRegisterType +from PySide6.QtCore import QUrl, Property, Signal, Qt, QPointF +from PySide6.QtQuick import QQuickPaintedItem, QQuickView + + +class TextBalloon(QQuickPaintedItem): + + rightAlignedChanged = Signal() + + def __init__(self, parent=None): + self._rightAligned = False + super().__init__(parent) + + @Property(bool, notify=rightAlignedChanged) + def rightAligned(self): + return self._rightAligned + + @rightAligned.setter + def rightAlignedSet(self, value): + self._rightAligned = value + self.rightAlignedChanged.emit() + + def paint(self, painter: QPainter): + + brush = QBrush(QColor("#007430")) + + painter.setBrush(brush) + painter.setPen(Qt.NoPen) + painter.setRenderHint(QPainter.Antialiasing) + + itemSize = self.size() + + painter.drawRoundedRect(0, 0, itemSize.width(), itemSize.height() - 10, 10, 10) + + if self.rightAligned: + points = [ + QPointF(itemSize.width() - 10.0, itemSize.height() - 10.0), + QPointF(itemSize.width() - 20.0, itemSize.height()), + QPointF(itemSize.width() - 30.0, itemSize.height() - 10.0), + ] + else: + points = [ + QPointF(10.0, itemSize.height() - 10.0), + QPointF(20.0, itemSize.height()), + QPointF(30.0, itemSize.height() - 10.0), + ] + painter.drawConvexPolygon(points) + + +if __name__ == "__main__": + + app = QApplication(sys.argv) + view = QQuickView() + view.setResizeMode(QQuickView.SizeRootObjectToView) + qmlRegisterType(TextBalloon, "TextBalloonPlugin", 1, 0, "TextBalloon") + view.setSource(QUrl.fromLocalFile("main.qml")) + + if view.status() == QQuickView.Error: + sys.exit(-1) + view.show() + + sys.exit(app.exec_()) |