/src/wrappers/gtk/library/switch_page_callback.e
Specman e | 78 lines | 60 code | 14 blank | 4 comment | 3 complexity | 9a8f69a0697f3b97bbbcb8f48d4700fc MD5 | raw file
1indexing 2 description: "Generic callback for the switch-page signal" 3 copyright: "[ 4 Copyright (C) 2006 Paolo redaelli, eiffel-libraries team, GTK+ team and others 5 6 This library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public License 8 as published by the Free Software Foundation; either version 2.1 of 9 the License, or (at your option) any later version. 10 11 This library is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with this library; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA 20 ]" 21 license: "LGPL v2 or later" 22 date: "$Date:$" 23 revision "$Revision:$" 24 25class SWITCH_PAGE_CALLBACK 26 27inherit CALLBACK redefine object end 28 29insert G_OBJECT_FACTORY [GTK_NOTEBOOK] 30 31creation make 32 33feature 34 object: GTK_NOTEBOOK 35 36feature 37 callback (notebook_page: POINTER; arg1: INTEGER; instance: POINTER) is 38 do 39 debug 40 print ("Callback: instance=") print (instance.to_string) print ("%N") 41 end 42 -- The following is written with the implicit requirement 43 -- that the button is actually created bu the Eiffel 44 -- application. 45 object := wrapper(instance) 46 -- XXX: we need GTK_NOTEBOOK_PAGE as first argument 47 procedure.call ([Void, arg1, object]) 48 end 49 50 callback_pointer: POINTER is 51 do 52 Result := get_callback_pointer ($callback) 53 ensure 54 Result.is_not_null 55 end 56 57 connect (an_object: GTK_NOTEBOOK; a_procedure: PROCEDURE [ANY, TUPLE[GTK_NOTEBOOK_PAGE, INTEGER, GTK_NOTEBOOK]]) is 58 do 59 debug 60 print ("SWITCH_PAGE_CALLBACK.connect (an_object=") print (an_object.to_pointer.to_string) 61 print (" an_object.handle=") print (an_object.handle.to_string) 62 print (") Current=") print (to_pointer.to_string) 63 print (" Current.handle=") print (handle.to_string) 64 print ("%N") 65 end 66 67 handler_id := g_signal_connect_closure (an_object.handle, 68 signal_name.to_external, 69 handle, 70 0 -- i.e. call it before default handler 71 ) 72 procedure:=a_procedure 73 end 74 75 signal_name: STRING is "switch-page" 76 77 procedure: PROCEDURE [ANY, TUPLE[GTK_NOTEBOOK_PAGE, INTEGER, GTK_NOTEBOOK]] 78end