/src/wrappers/gtk/library/drag_begin_callback.e

http://github.com/tybor/Liberty · Specman e · 76 lines · 62 code · 14 blank · 0 comment · 3 complexity · ed90126dd59caf244a566cd1d97212b8 MD5 · raw file

  1. indexing
  2. description: "Generic callback for the drag-begin 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 DRAG_BEGIN_CALLBACK
  22. inherit CALLBACK redefine object end
  23. insert G_OBJECT_FACTORY [GTK_WIDGET]
  24. creation make
  25. feature
  26. object: GTK_WIDGET
  27. feature
  28. callback (drag_context_ptr, instance: POINTER) is
  29. local
  30. factory: G_OBJECT_FACTORY [GDK_DRAG_CONTEXT]
  31. drag_context: GDK_DRAG_CONTEXT
  32. do
  33. debug print ("Callback: instance=") print (instance.to_string) print ("%N") end
  34. object := wrapper(instance)
  35. create drag_context.secondary_wrapper_from (drag_context_ptr)
  36. procedure.call ([drag_context, object])
  37. end
  38. callback_pointer: POINTER is
  39. do
  40. Result := get_callback_pointer ($callback)
  41. ensure
  42. Result.is_not_null
  43. end
  44. connect (an_object: GTK_WIDGET; a_procedure: PROCEDURE [ANY, TUPLE[GDK_DRAG_CONTEXT, GTK_WIDGET]]) is
  45. do
  46. debug
  47. print ("DRAG_BEGIN_CALLBACK.connect (an_object=") print (an_object.to_pointer.to_string)
  48. print (" an_object.handle=") print (an_object.handle.to_string)
  49. print (") Current=") print (to_pointer.to_string)
  50. print (" Current.handle=") print (handle.to_string)
  51. print ("%N")
  52. end
  53. handler_id := g_signal_connect_closure (an_object.handle,
  54. signal_name.to_external,
  55. handle,
  56. 0 -- i.e. call it before default handler
  57. )
  58. procedure:=a_procedure
  59. end
  60. signal_name: STRING is "drag-begin"
  61. procedure: PROCEDURE [ANY, TUPLE[GDK_DRAG_CONTEXT, GTK_WIDGET]]
  62. end