/src/wrappers/gtk/library/row_activated_callback.e

http://github.com/tybor/Liberty · Specman e · 85 lines · 68 code · 15 blank · 2 comment · 3 complexity · 88209a2ba61629ccb2d84efa79429e85 MD5 · raw file

  1. indexing
  2. description: "Generic callback for the row-activated 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 ROW_ACTIVATED_CALLBACK
  22. inherit
  23. CALLBACK redefine object end
  24. creation make
  25. feature
  26. object: GTK_TREE_VIEW
  27. feature
  28. callback (tree_path, tree_view_col, instance: POINTER) is
  29. local
  30. tree_path_obj: GTK_TREE_PATH
  31. tree_view_col_obj: GTK_TREE_VIEW_COLUMN
  32. view_factory: G_OBJECT_EXPANDED_FACTORY [GTK_TREE_VIEW]
  33. column_factory: G_OBJECT_EXPANDED_FACTORY [GTK_TREE_VIEW_COLUMN]
  34. do
  35. debug
  36. print ("Callback: instance=") print (instance.to_string) print ("%N")
  37. end
  38. -- The following is written with the implicit requirement
  39. -- that the object is actually created by the Eiffel
  40. object := view_factory.wrapper(instance)
  41. tree_view_col_obj := column_factory.wrapper(tree_view_col)
  42. create tree_path_obj.copy_from_pointer (tree_path)
  43. procedure.call ([tree_path_obj, tree_view_col_obj, object])
  44. end
  45. callback_pointer: POINTER is
  46. do
  47. Result := get_callback_pointer ($callback)
  48. ensure
  49. Result.is_not_null
  50. end
  51. connect (an_object: GTK_TREE_VIEW;
  52. a_procedure: PROCEDURE [ANY, TUPLE[GTK_TREE_PATH, GTK_TREE_VIEW_COLUMN, GTK_TREE_VIEW]]) is
  53. do
  54. debug
  55. print ("ROW_ACTIVATED_CALLBACK.connect (an_object=") print (an_object.to_pointer.to_string)
  56. print (" an_object.handle=") print (an_object.handle.to_string)
  57. print (") Current=") print (to_pointer.to_string)
  58. print (" Current.handle=") print (handle.to_string)
  59. print ("%N")
  60. end
  61. handler_id := g_signal_connect_closure (an_object.handle,
  62. signal_name.to_external,
  63. handle,
  64. 0 -- i.e. call it before default handler
  65. )
  66. procedure:=a_procedure
  67. end
  68. signal_name: STRING is "row-activated"
  69. procedure: PROCEDURE [ANY, TUPLE[GTK_TREE_PATH, GTK_TREE_VIEW_COLUMN, GTK_TREE_VIEW]]
  70. end