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#!/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_())
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