/src/wrappers/gtk/library/drag_leave_callback.e

http://github.com/tybor/Liberty · Specman e · 84 lines · 67 code · 14 blank · 3 comment · 3 complexity · 56b8376a6da095b7d3758844f6708f92 MD5 · raw file

  1. indexing
  2. description: "Generic callback for the drag-leave 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_LEAVE_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: POINTER; time: INTEGER; instance: POINTER) is
  29. require
  30. time >= 0
  31. local
  32. -- factory: G_OBJECT_EXPANDED_FACTORY [GDK_DRAG_CONTEXT]
  33. drag_context: GDK_DRAG_CONTEXT
  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 object actually has an Eiffel wrapper.
  40. object := wrapper(instance)
  41. create drag_context.secondary_wrapper_from(drag_context_ptr)
  42. procedure.call ([drag_context, time, object])
  43. ensure
  44. time >= 0
  45. end
  46. callback_pointer: POINTER is
  47. do
  48. Result := get_callback_pointer ($callback)
  49. ensure
  50. Result.is_not_null
  51. end
  52. connect (an_object: GTK_WIDGET; a_procedure: PROCEDURE [ANY, TUPLE[GDK_DRAG_CONTEXT, INTEGER, GTK_WIDGET]]) is
  53. do
  54. debug
  55. print ("DRAG_LEAVE_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 "drag-leave"
  69. procedure: PROCEDURE [ANY, TUPLE[GDK_DRAG_CONTEXT, INTEGER, GTK_WIDGET]]
  70. end