#!/usr/bin/env python

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## This file is part of the test suite of the Qt Toolkit.

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#############################################################################

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_())