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#############################################################################
##
## Copyright (C) 2017 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of Qt for Python.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Unit test for QBackingStore, QRasterWindow and QStaticText'''
import os
import sys
import unittest
sys.path.append(os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "util"))
from helper.usesqapplication import UsesQApplication
from PySide2.QtCore import QEvent, QPoint, QRect, QSize, QTimer, Qt
from PySide2.QtGui import QColor, QBackingStore, QPaintDevice, QPainter, QWindow, QPaintDeviceWindow, QRasterWindow, QRegion, QStaticText
# QWindow rendering via QBackingStore
class TestBackingStoreWindow(QWindow):
def __init__(self):
super(TestBackingStoreWindow, self).__init__()
self.backingStore = QBackingStore(self)
self.text = QStaticText("BackingStoreWindow")
def event(self, event):
if event.type() == QEvent.Resize:
self.backingStore.resize(self.size())
self.render()
elif event.type() == QEvent.UpdateRequest or event.type() == QEvent.Expose:
self.backingStore.flush(QRegion(QRect(QPoint(0, 0), self.size())))
return QWindow.event(self, event)
def render(self):
clientRect = QRect(QPoint(0, 0), self.size())
painter = QPainter(self.backingStore.paintDevice())
painter.fillRect(clientRect, QColor(Qt.green))
painter.drawStaticText(QPoint(10, 10), self.text)
# Window using convenience class QRasterWindow
class TestRasterWindow(QRasterWindow):
def __init__(self):
super(TestRasterWindow, self).__init__()
self.text = QStaticText("QRasterWindow")
def paintEvent(self, event):
clientRect = QRect(QPoint(0, 0), self.size())
painter = QPainter(self)
painter.fillRect(clientRect, QColor(Qt.red))
painter.drawStaticText(QPoint(10, 10), self.text)
class QRasterWindowTest(UsesQApplication):
def test(self):
rasterWindow = TestRasterWindow()
rasterWindow.setFramePosition(QPoint(100, 100))
rasterWindow.resize(QSize(400, 400))
rasterWindow.show()
backingStoreWindow = TestBackingStoreWindow()
backingStoreWindow.setFramePosition(QPoint(600, 100))
backingStoreWindow.resize(QSize(400, 400))
backingStoreWindow.show()
QTimer.singleShot(100, self.app.quit)
self.app.exec_()
if __name__ == '__main__':
unittest.main()
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