/src/wrappers/gtk/library/scroll_child_callback.e

http://github.com/tybor/Liberty · Specman e · 73 lines · 57 code · 16 blank · 0 comment · 3 complexity · cf63f3b64d214fa708e8afbacb33c353 MD5 · raw file

  1. indexing
  2. description: "Generic callback for the scroll-child 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 SCROLL_CHILD_CALLBACK
  22. inherit CALLBACK redefine object end
  23. insert G_OBJECT_FACTORY [GTK_SCROLLED_WINDOW]
  24. creation make
  25. feature
  26. object: GTK_SCROLLED_WINDOW
  27. feature
  28. callback (scroll_type, a_bool: INTEGER; instance: POINTER): INTEGER is
  29. do
  30. object := wrapper(instance)
  31. Result := function.item ([scroll_type, a_bool.to_boolean, object]).to_integer
  32. end
  33. callback_pointer: POINTER is
  34. do
  35. Result := get_callback_pointer ($callback)
  36. ensure
  37. Result.is_not_null
  38. end
  39. connect (an_object: GTK_WIDGET; a_function: FUNCTION [ANY, TUPLE [INTEGER, BOOLEAN, GTK_SCROLLED_WINDOW], BOOLEAN]) is
  40. do
  41. debug
  42. print ("SCROLL_CHILD_CALLBACK.connect (an_object=") print (an_object.to_pointer.to_string)
  43. print (" an_object.handle=") print (an_object.handle.to_string)
  44. print (") Current=") print (to_pointer.to_string)
  45. print (" Current.handle=") print (handle.to_string)
  46. print ("%N")
  47. end
  48. handler_id := g_signal_connect_closure (an_object.handle,
  49. signal_name.to_external,
  50. handle,
  51. 0 -- i.e. call it before default handler
  52. )
  53. function:=a_function
  54. end
  55. signal_name: STRING is "scroll-child"
  56. function: FUNCTION [ANY, TUPLE [INTEGER, BOOLEAN, GTK_SCROLLED_WINDOW], BOOLEAN]
  57. end