--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/diagrams/contentspropagation/customwidget.py Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,175 @@
+#!/usr/bin/env python
+#############################################################################
+##
+## Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+## All rights reserved.
+## Contact: Nokia Corporation (qt-info@nokia.com)
+##
+## This file is part of the test suite of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## No Commercial Usage
+## This file contains pre-release code and may not be distributed.
+## You may use this file in accordance with the terms and conditions
+## contained in the Technology Preview License Agreement accompanying
+## this package.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 2.1 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL included in the
+## packaging of this file. Please review the following information to
+## ensure the GNU Lesser General Public License version 2.1 requirements
+## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+##
+## In addition, as a special exception, Nokia gives you certain additional
+## rights. These rights are described in the Nokia Qt LGPL Exception
+## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+##
+## If you have questions regarding the use of this file, please contact
+## Nokia at qt-info@nokia.com.
+##
+##
+##
+##
+##
+##
+##
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import os, sys
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+class CustomWidget(QWidget):
+
+ def __init__(self, parent, fake = False):
+
+ QWidget.__init__(self, parent)
+ gradient = QLinearGradient(QPointF(0, 0), QPointF(100.0, 100.0))
+ baseColor = QColor(0xa6, 0xce, 0x39, 0x7f)
+ gradient.setColorAt(0.0, baseColor.light(150))
+ gradient.setColorAt(0.75, baseColor.light(75))
+ self.brush = QBrush(gradient)
+ self.fake = fake
+ self.fakeBrush = QBrush(Qt.red, Qt.DiagCrossPattern)
+
+ qtPath = QPainterPath()
+ qtPath.setFillRule(Qt.OddEvenFill)
+ qtPath.moveTo(-45.0, -20.0)
+ qtPath.lineTo(0.0, -45.0)
+ qtPath.lineTo(45.0, -20.0)
+ qtPath.lineTo(45.0, 45.0)
+ qtPath.lineTo(-45.0, 45.0)
+ qtPath.lineTo(-45.0, -20.0)
+ qtPath.closeSubpath()
+ qtPath.moveTo(15.0, 5.0)
+ qtPath.lineTo(35.0, 5.0)
+ qtPath.lineTo(35.0, 40.0)
+ qtPath.lineTo(15.0, 40.0)
+ qtPath.lineTo(15.0, 5.0)
+ qtPath.moveTo(-35.0, -15.0)
+ qtPath.closeSubpath()
+ qtPath.lineTo(-10.0, -15.0)
+ qtPath.lineTo(-10.0, 10.0)
+ qtPath.lineTo(-35.0, 10.0)
+ qtPath.lineTo(-35.0, -15.0)
+ qtPath.closeSubpath()
+ self.path = qtPath
+
+ def paintEvent(self, event):
+
+ painter = QPainter()
+ painter.begin(self)
+ painter.setRenderHint(QPainter.Antialiasing)
+ if self.fake:
+ painter.fillRect(event.rect(), QBrush(Qt.white))
+ painter.fillRect(event.rect(), self.fakeBrush)
+ painter.setBrush(self.brush)
+ painter.translate(60, 60)
+ painter.drawPath(self.path)
+ painter.end()
+
+ def sizeHint(self):
+
+ return QSize(120, 120)
+
+ def minimumSizeHint(self):
+
+ return QSize(120, 120)
+
+
+if __name__ == "__main__":
+
+ try:
+ qt = sys.argv[1]
+ except IndexError:
+ qt = "4.1"
+
+ if qt != "4.0" and qt != "4.1":
+ sys.stderr.write("Usage: %s [4.0|4.1]\n" % sys.argv[0])
+ sys.exit(1)
+
+ app = QApplication(sys.argv)
+ exec_dir = os.path.split(os.path.abspath(sys.argv[0]))[0]
+ label = QLabel()
+ label.setPixmap(QPixmap(os.path.join(exec_dir, "background.png")))
+
+ layout = QGridLayout()
+ label.setLayout(layout)
+ if qt == "4.0":
+ layout.addWidget(CustomWidget(label), 0, 0, Qt.AlignCenter)
+ caption = QLabel("Opaque (Default)", label)
+ caption.setMargin(2)
+ layout.addWidget(caption, 1, 0, Qt.AlignCenter | Qt.AlignTop)
+ elif qt == "4.1":
+ layout.addWidget(CustomWidget(label), 0, 0, Qt.AlignCenter)
+ caption = QLabel("Contents Propagated (Default)", label)
+ caption.setAutoFillBackground(True)
+ caption.setMargin(2)
+ layout.addWidget(caption, 1, 0, Qt.AlignCenter | Qt.AlignTop)
+
+ if qt == "4.0":
+ contentsWidget = CustomWidget(label)
+ contentsWidget.setAttribute(Qt.WA_ContentsPropagated, True)
+ layout.addWidget(contentsWidget, 0, 1, Qt.AlignCenter)
+ caption = QLabel("With WA_ContentsPropagated set", label)
+ caption.setMargin(2)
+ layout.addWidget(caption, 1, 1, Qt.AlignCenter | Qt.AlignTop)
+ elif qt == "4.1":
+ autoFillWidget = CustomWidget(label)
+ autoFillWidget.setAutoFillBackground(True)
+ layout.addWidget(autoFillWidget, 0, 1, Qt.AlignCenter)
+ caption = QLabel("With autoFillBackground set", label)
+ caption.setAutoFillBackground(True)
+ caption.setMargin(2)
+ layout.addWidget(caption, 1, 1, Qt.AlignCenter | Qt.AlignTop)
+
+ if qt == "4.0":
+ noBackgroundWidget = CustomWidget(label, fake = True)
+ noBackgroundWidget.setAttribute(Qt.WA_NoBackground, True)
+ layout.addWidget(noBackgroundWidget, 0, 2, Qt.AlignCenter)
+ caption = QLabel("With WA_NoBackground set", label)
+ caption.setWordWrap(True)
+ caption.setMargin(2)
+ layout.addWidget(caption, 1, 2, Qt.AlignCenter | Qt.AlignTop)
+ elif qt == "4.1":
+ opaqueWidget = CustomWidget(label, fake = True)
+ opaqueWidget.setAttribute(Qt.WA_OpaquePaintEvent, True)
+ layout.addWidget(opaqueWidget, 0, 2, Qt.AlignCenter)
+ caption = QLabel("With WA_OpaquePaintEvent set", label)
+ caption.setAutoFillBackground(True)
+ caption.setMargin(2)
+ layout.addWidget(caption, 1, 2, Qt.AlignCenter | Qt.AlignTop)
+
+ if qt == "4.0":
+ label.setWindowTitle("Qt 4.0: Painting Custom Widgets")
+ elif qt == "4.1":
+ label.setWindowTitle("Qt 4.1: Painting Custom Widgets")
+
+ label.resize(404, 160)
+ label.show()
+ sys.exit(app.exec_())