Initial attempt at a PySide based UI.

justcheckers/app.py

@@ -1,24 +1,59 @@
+import os
 import sys
 
-from PySide.QtCore import QUrl
-from PySide.QtGui import QApplication
-from PySide.QtDeclarative import QDeclarativeView
+from PySide.QtGui import QWidget, QApplication, QLabel, QPushButton, QDesktopWidget, QVBoxLayout
+
+
+class MenuScreen(QWidget):
+    # TODO Divide up into separate widgets for the window and its contents.
+    # TODO Figure out testing mechanism for PySide UIs.
+
+    def __init__(self, app):
+        super(MenuScreen, self).__init__()
+        self.setWindowTitle('justCheckers')
+        self.setGeometry(300, 300, 800, 600)
+        self.setup_components()
+        self.app = app
+        self.center()
+
+    def setup_components(self):
+        self.systemLabel = QLabel(self.get_system_info(), self)
+        self.exitButton = QPushButton('Exit', self)
+        self.exitButton.clicked.connect(self.exit_app)
+
+        widget_layout = QVBoxLayout(self)
+        widget_layout.addWidget(self.systemLabel)
+        widget_layout.addStretch()
+        widget_layout.addWidget(self.exitButton)
+        widget_layout.addStretch()
+        self.setLayout(widget_layout)
+
+    @staticmethod
+    def get_system_info():
+        """Retrieve information about the system."""
+        message = 'I am running on {os}.\n My screen is {height}x{width}'
+        geometry = QDesktopWidget().availableGeometry()
+        os_sys = ' '.join(os.uname())
+        return message.format(os=os_sys, height=geometry.height(), width=geometry.width())
+
+    def center(self):
+        """Centers the widget in the middle of the screen."""
+        widget_rectangle = self.frameGeometry()
+        center_point = QDesktopWidget().availableGeometry().center()
+        widget_rectangle.moveCenter(center_point)
+        self.move(widget_rectangle.topLeft())
+
+    def exit_app(self):
+        self.app.quit()
 
 
 def main():
-    # Create app
+    # TODO Should be moved out into a separate module
     app = QApplication(sys.argv)
-
-    # Setup the QML declartive view
-    view = QDeclarativeView()
-    menu_view_url = QUrl('menu_view.qml')
-    view.setSource(menu_view_url)
+    view = MenuScreen(app)
     view.show()
-    
-    # Enter app loop
     app.exec_()
-    sys.exit()
+    sys.exit(0)
 
 if __name__ == '__main__':
     main()
-