2 files changed, 141 insertions, 0 deletions
diff --git a/doc/src/diagrams/programs/mdiarea.py b/doc/src/diagrams/programs/mdiarea.py
new file mode 100644
index 0000000..c78659f
--- /dev/null
+++ b/doc/src/diagrams/programs/mdiarea.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+
+import sys
+from PyQt4.QtCore import SIGNAL
+from PyQt4.QtGui import QApplication, QColor, QIcon, QLabel, QMdiArea, QPixmap, \
+                        QPushButton, QTableWidget, QTableWidgetItem, QTextEdit
+
+
+class Changer:
+
+    def __init__(self, mdiArea):
+    
+        self.mdiArea = mdiArea
+        self.state = 0
+    
+    def change(self):
+    
+        if self.state == 0:
+            self.mdiArea.cascadeSubWindows()
+            self.mdiArea.setWindowTitle("Cascade")
+        elif self.state == 1:
+            self.mdiArea.tileSubWindows()
+            self.mdiArea.setWindowTitle("Tile")
+        self.state = (self.state + 1) % 2
+
+
+if __name__ == "__main__":
+
+    app = QApplication(sys.argv)
+    pixmap = QPixmap(16, 16)
+    pixmap.fill(QColor(0, 0, 0, 0))
+    icon = QIcon(pixmap)
+    app.setWindowIcon(icon)
+    
+    mdiArea = QMdiArea()
+    
+    textEdit = QTextEdit()
+    textEdit.setPlainText("Qt Quarterly is a paper-based newsletter "
+                          "exclusively available to Qt customers. Every "
+                          "quarter we mail out an issue that we hope will "
+                          "bring added insight and pleasure to your Qt "
+                          "programming, with high-quality technical articles "
+                          "written by Qt experts.")
+    textWindow = mdiArea.addSubWindow(textEdit)
+    textWindow.setWindowTitle("A Text Editor")
+    
+    label = QLabel()
+    label.setPixmap(QPixmap("../../images/qt-logo.png"))
+    labelWindow = mdiArea.addSubWindow(label)
+    labelWindow.setWindowTitle("A Label")
+    
+    items = (("Henry", 23), ("Bill", 56), ("Susan", 19), ("Jane", 47))
+    table = QTableWidget(len(items), 2)
+    
+    for i in range(len(items)):
+        name, age = items[i]
+        item = QTableWidgetItem(name)
+        table.setItem(i, 0, item)
+        item = QTableWidgetItem(str(age))
+        table.setItem(i, 1, item)
+    
+    tableWindow = mdiArea.addSubWindow(table)
+    tableWindow.setWindowTitle("A Table Widget")
+    
+    mdiArea.show()
+    
+    changer = Changer(mdiArea)
+    button = QPushButton("Cascade")
+    button.connect(button, SIGNAL("clicked()"), changer.change)
+    button.show()
+    sys.exit(app.exec_())
diff --git a/doc/src/diagrams/programs/qpen-dashpattern.py b/doc/src/diagrams/programs/qpen-dashpattern.py
new file mode 100644
index 0000000..095d51f
--- /dev/null
+++ b/doc/src/diagrams/programs/qpen-dashpattern.py
@@ -0,0 +1,70 @@
+#!/usr/bin/env python
+
+import sys
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from PyQt4.QtSvg import QSvgGenerator
+
+if __name__ == "__main__":
+
+    app = QApplication(sys.argv)
+    
+    #device = QSvgGenerator()
+    #device.setFileName("qpen-dashpattern.svg")
+    #device.setSize(QSize(216, 144))
+    #device.setResolution(72)
+    
+    device = QImage(192, 144, QImage.Format_ARGB32)
+    device.fill(qRgba(0, 0, 0, 0))
+    
+    #resolution = device.resolution() # dpi
+    #dpp = resolution / 72.0
+    
+    p = QPainter()
+    p.begin(device)
+    
+    width = 8
+    
+    pen = QPen()
+    pen.setWidth(width)
+    pen.setDashPattern([4, 2])
+    pen.setCapStyle(Qt.FlatCap)
+    
+    faded_pen = QPen()
+    faded_pen.setWidth(width)
+    faded_pen.setDashPattern([4, 2])
+    faded_pen.setColor(QColor(160, 160, 160))
+    faded_pen.setCapStyle(Qt.FlatCap)
+    
+    font = QFont("Monospace")
+    font.setPointSize(12)
+    p.setFont(font)
+    p.setBrush(QColor(160, 0, 0))
+    
+    for x in range(-6, 9):
+    
+        if x % 4 == 0:
+            length = 6
+        else:
+            length = 2
+        
+        p.drawLine(64 + x * width, 4, 64 + x * width, 4 + length)
+        p.drawLine(64 + x * width, 136, 64 + x * width, 136 - length)
+    
+    offsets = (0, 2, 3.5, 4, 5, 6)
+    for i in range(len(offsets)):
+    
+        offset = offsets[i]
+        pen.setDashOffset(offset)
+        
+        p.setPen(faded_pen)
+        p.drawLine(64 - offset * width, 20 + (i * 20), 64, 20 + (i * 20))
+        
+        p.setPen(pen)
+        p.drawLine(64, 20 + (i * 20), 128, 20 + (i * 20))
+        
+        p.drawText(150, 25 + (i * 20), str(offset))
+    
+    p.end()
+    device.save("qpen-dashpattern.png")
+    sys.exit()