/src/wrappers/gtk/library/selection_changed_callback.e

http://github.com/tybor/Liberty · Specman e · 79 lines · 60 code · 16 blank · 3 comment · 3 complexity · b2ce6bc7c60ffb4026c7be88a64d7983 MD5 · raw file

  1. indexing
  2. description: "Generic callback for the selection-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 SELECTION_CHANGED_CALLBACK
  22. inherit CALLBACK redefine object end
  23. insert G_OBJECT_FACTORY [GTK_FILE_CHOOSER]
  24. creation make
  25. feature
  26. object: GTK_FILE_CHOOSER
  27. feature
  28. callback (instance: POINTER) is
  29. do
  30. debug
  31. print ("Callback: instance=") print (instance.to_string) print ("%N")
  32. end
  33. -- The following is written with the implicit requirement
  34. -- that the button is actually created bu the Eiffel
  35. -- application.
  36. object := wrapper(instance)
  37. procedure.call ([object])
  38. end
  39. callback_pointer: POINTER is
  40. do
  41. Result := get_callback_pointer ($callback)
  42. ensure
  43. Result.is_not_null
  44. end
  45. connect (an_object: GTK_FILE_CHOOSER; a_procedure: PROCEDURE [ANY, TUPLE[GTK_FILE_CHOOSER]]) is
  46. do
  47. debug
  48. print ("SELECTION_CHANGED_CALLBACK.connect (an_object=") print (an_object.to_pointer.to_string)
  49. print (" an_object.handle=") print (an_object.handle.to_string)
  50. print (") Current=") print (to_pointer.to_string)
  51. print (" Current.handle=") print (handle.to_string)
  52. print ("%N")
  53. end
  54. handler_id := g_signal_connect_closure (an_object.handle,
  55. signal_name.to_external,
  56. handle,
  57. 0 -- i.e. call it before default handler
  58. )
  59. procedure:=a_procedure
  60. end
  61. signal_name: STRING is "selection-changed"
  62. procedure: PROCEDURE [ANY, TUPLE[GTK_FILE_CHOOSER]]
  63. end