/src/wrappers/gtk/library/changed_tree_selection_callback.e

http://github.com/tybor/Liberty · Specman e · 81 lines · 62 code · 16 blank · 3 comment · 3 complexity · fe4c601b6378e83f088d201a29946131 MD5 · raw file

  1. indexing
  2. description: "Callback for the changed signal"
  3. copyright: "[
  4. Copyright (C) 2006 Paolo redaelli, eiffel-libraries team, GTK+ team and others
  5. This library is free software; you can redistribute it and/or
  6. modify it under the terms of the GNU Lesser General Public License
  7. as published by the Free Software Foundation; either version 2.1 of
  8. the License, or (at your option) any later version.
  9. This library is distributed in the hope that it will be useful, but
  10. WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. Lesser General Public License for more details.
  13. You should have received a copy of the GNU Lesser General Public
  14. License along with this library; if not, write to the Free Software
  15. Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  16. 02110-1301 USA
  17. ]"
  18. license: "LGPL v2 or later"
  19. date: "$Date:$"
  20. revision "$Revision:$"
  21. class CHANGED_TREE_SELECTION_CALLBACK
  22. inherit
  23. CALLBACK redefine object end
  24. insert
  25. G_OBJECT_FACTORY [GTK_TREE_SELECTION]
  26. creation make
  27. feature
  28. object: GTK_TREE_SELECTION
  29. feature
  30. callback (instance: POINTER) is
  31. do
  32. debug
  33. print ("Callback: instance=") print (instance.to_string) print ("%N")
  34. end
  35. -- The following is written with the implicit requirement
  36. -- that the object is actually created by the Eiffel
  37. -- application.
  38. object := wrapper(instance)
  39. procedure.call ([object])
  40. end
  41. callback_pointer: POINTER is
  42. do
  43. Result := get_callback_pointer ($callback)
  44. ensure
  45. Result.is_not_null
  46. end
  47. connect (an_object: GTK_TREE_SELECTION; a_procedure: PROCEDURE [ANY, TUPLE[GTK_TREE_SELECTION]]) is
  48. do
  49. debug
  50. print ("CHANGED_TREE_SELECTION_CALLBACK.connect (an_object=") print (an_object.to_pointer.to_string)
  51. print (" an_object.handle=") print (an_object.handle.to_string)
  52. print (") Current=") print (to_pointer.to_string)
  53. print (" Current.handle=") print (handle.to_string)
  54. print ("%N")
  55. end
  56. handler_id := g_signal_connect_closure (an_object.handle,
  57. signal_name.to_external,
  58. handle,
  59. 0 -- i.e. call it before default handler
  60. )
  61. procedure:=a_procedure
  62. end
  63. signal_name: STRING is "changed"
  64. procedure: PROCEDURE [ANY, TUPLE[GTK_TREE_SELECTION]]
  65. end