class MainWindow(QMainWindow): def __init__(self): super(MainWindow, self).__init__() self.scene = QGraphicsScene() # Scene is the parent of the view in order to show the graphical items. # the View must also be the parent of the scene in order to avoid # bizarre segmentation faults with GTK self.view = InteractiveView(self.scene) self.scene.setParent(self.view) self.setCentralWidget(self.view) self.view.setSceneRect(INT_MIN/2, INT_MIN/2, INT_MAX, INT_MAX) self.view.centerOn(0, 0) self.visualizer = Visualizer(self.scene) self.visualizer.update_processes_data() # Set a dark background color back_color = QColor(25, 20, 45) self.view.setBackgroundBrush(QBrush(back_color)) def keyPressEvent(self, event): super(MainWindow, self).keyPressEvent(event) # Quit via escape key. if event.key() == Qt.Key_Escape: self.close() if event.key() == Qt.Key_R: self.visualizer.showRootTasks = not self.visualizer.showRootTasks
def __init__(self): super(MainWindow, self).__init__() self.scene = QGraphicsScene() # Scene is the parent of the view in order to show the graphical items. # the View must also be the parent of the scene in order to avoid # bizarre segmentation faults with GTK self.view = InteractiveView(self.scene) self.scene.setParent(self.view) self.setCentralWidget(self.view) self.view.setSceneRect(INT_MIN/2, INT_MIN/2, INT_MAX, INT_MAX) self.view.centerOn(0, 0) self.visualizer = Visualizer(self.scene) self.visualizer.update_processes_data() # Set a dark background color back_color = QColor(25, 20, 45) self.view.setBackgroundBrush(QBrush(back_color))