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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.

1 #------------------------------------------------------------------------------
2 # This file is part of the OpenStructure project <www.openstructure.org>
3 #
4 # Copyright (C) 2008-2020 by the OpenStructure authors
5 #
6 # This library is free software; you can redistribute it and/or modify it under
7 # the terms of the GNU Lesser General Public License as published by the Free
8 # Software Foundation; either version 3.0 of the License, or (at your option)
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12 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 #------------------------------------------------------------------------------
19 from ost import gui
20 from ost.gui import FileLoader
21 
22 from PyQt5 import QtCore, QtGui, QtWidgets
23 
24 class InitMenuBar(QtCore.QObject):
25  def __init__(self, menu_bar=None):
26  QtCore.QObject.__init__(self, menu_bar)
27  self.scene_selection_ = gui.SceneSelection.Instance()
28 
29  test_action = QtWidgets.QAction('Test Menu Point', self)
30  test_action.setStatusTip('Print Hello World')
31  test_action.setShortcut('Ctrl+T')
32  test_action.triggered.connect(self.TestMethod)
33 
34  test = menu_bar.addMenu('&Test')
35  test.addAction(test_action)
36 
37  def TestMethod(self):
38  reply = QtWidgets.QMessageBox()
39 
40  node_count = self.scene_selection_.GetActiveNodeCount()
41  if(node_count > 0):
42  string = "";
43  for i in range(node_count):
44  entity = self.scene_selection_.GetActiveNode(i)
45  string=string + entity.GetName()
46  reply.setText("Oh, there are selected entities: %s" % string)
47  else:
48  reply.setText("This is a test!")
49  reply.addButton(QtWidgets.QMessageBox.Yes)
50  reply.exec_()
51 
52 menu_bar=gui.GostyApp.Instance().perspective.GetMenuBar()
53 InitMenuBar(menu_bar)