Long live Qt 4.5!

1 files changed, 135 insertions, 0 deletions

diff --git a/doc/src/diagrams/contentspropagation/customwidget.py b/doc/src/diagrams/contentspropagation/customwidget.py
new file mode 100755
index 0000000..89e0b1b
--- /dev/null
+++ b/doc/src/diagrams/contentspropagation/customwidget.py
@@ -0,0 +1,135 @@
+#!/usr/bin/env python
+
+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_())