menubar_example.py

Shows how to use PyQt to add a menu from within Python and interact with the currently selected objects in the scene menu.

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# This file is part of the OpenStructure project <www.openstructure.org>
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# Copyright (C) 2008-2011 by the OpenStructure authors
#
# This library is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 3.0 of the License, or (at your option)
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# This library is distributed in the hope that it will be useful, but WITHOUT
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# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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from ost import gui
from ost.gui import FileLoader

from PyQt4 import QtCore, QtGui

class InitMenuBar(QtCore.QObject):
  def __init__(self, menu_bar=None):
    QtCore.QObject.__init__(self, menu_bar)
    self.scene_selection_ = gui.SceneSelection.Instance()
    
    test_action = QtGui.QAction('Test Menu Point', self)
    test_action.setStatusTip('Print Hello World')
    test_action.setShortcut('Ctrl+T')

    self.connect(test_action, QtCore.SIGNAL('triggered()'), self.TestMethod)

    test = menu_bar.addMenu('&Test')
    test.addAction(test_action)

  def TestMethod(self):
    reply = QtGui.QMessageBox()
    
    node_count = self.scene_selection_.GetActiveNodeCount()
    if(node_count > 0):
      string = "";
      for i in range(node_count):
        entity = self.scene_selection_.GetActiveNode(i)
        string=string + entity.GetName()
      reply.setText("Oh, there are selected entities: %s" % string)
    else:
      reply.setText("This is a test!")
    reply.addButton(QtGui.QMessageBox.Yes)
    reply.exec_()
    
menu_bar=gui.GostyApp.Instance().perspective.GetMenuBar()
InitMenuBar(menu_bar)
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