Untitled

import sys
from PySide.QtCore import *
from PySide.QtGui import *

class TestApp(QMainWindow):
    """
    Test aplikasi yang memuat 2 MDI subwindow.
    """
    def __init__(self, parent=None):
        super(TestApp, self).__init__(parent)
        self.setWindowTitle('Test')
        mdi = QMdiArea();
        self.setCentralWidget(mdi)
        # MDI 1 (text edit)
        textEdit = TextEditMDIWindow()
        textEdit.setWindowTitle('Hello!')
        mdi.addSubWindow(textEdit)
        # MDI 2 (label + button)
        window = LabelButtonMDIWindow()
        mdi.addSubWindow(window)


class TextEditMDIWindow(QTextEdit):
    """
    Contoh MDI subwindow buat text edit.
    Bisa di simpan di file/package lain.
    """
    pass


class LabelButtonMDIWindow(QWidget):
    """
    Contoh MDI subwindow buat tampilin label dan button.
    Bisa di simpan di file/package lain.
    """
    def __init__(self, parent=None):
        super(LabelButtonMDIWindow, self).__init__(parent)
        self.label = QLabel('Hello, world!')
        self.button = QPushButton('Click me!')
        self.button.clicked.connect(self.test)
        layout = QHBoxLayout()
        layout.addWidget(self.label)
        layout.addWidget(self.button)
        self.setLayout(layout)

    def test(self):
        self.label.setText('foobar!')


if __name__ == '__main__':
    app = QApplication(sys.argv)
    testApp = TestApp()
    testApp.show()
    sys.exit(app.exec_())