/src/wrappers/gtk/library/drag_drop_callback.e
http://github.com/tybor/Liberty · Specman e · 79 lines · 63 code · 15 blank · 1 comment · 3 complexity · dd2f1dcee5d14d3f628c46a1e4cb7101 MD5 · raw file
- indexing
- description: "Generic callback for the drag-drop signal"
- copyright: "[
- Copyright (C) 2006 Paolo redaelli, eiffel-libraries team, GTK+ team and others
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License
- as published by the Free Software Foundation; either version 2.1 of
- the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301 USA
- ]"
- license: "LGPL v2 or later"
- date: "$Date:$"
- revision "$Revision:$"
- class DRAG_DROP_CALLBACK
- inherit CALLBACK redefine object end
- insert G_OBJECT_FACTORY [GTK_WIDGET]
- creation make
- feature
- object: GTK_WIDGET
- feature
- callback (drag_context_ptr: POINTER; x, y, time: INTEGER; instance: POINTER): INTEGER is
- -- require time >= 0
- local drag_context: GDK_DRAG_CONTEXT
- do
- debug
- print ("Callback: instance=") print (instance.to_string) print ("%N")
- end
- object := wrapper(instance)
- create drag_context.secondary_wrapper_from(drag_context_ptr)
- Result := function.item ([drag_context, x, y, time, object]).to_integer
- end
- callback_pointer: POINTER is
- do
- Result := get_callback_pointer ($callback)
- ensure
- Result.is_not_null
- end
- connect (an_object: GTK_WIDGET; a_function: FUNCTION [ANY, TUPLE [GDK_DRAG_CONTEXT, INTEGER, INTEGER,
- INTEGER, GTK_WIDGET], BOOLEAN]) is
- do
- debug
- print ("DRAG_DROP_CALLBACK.connect (an_object=") print (an_object.to_pointer.to_string)
- print (" an_object.handle=") print (an_object.handle.to_string)
- print (") Current=") print (to_pointer.to_string)
- print (" Current.handle=") print (handle.to_string)
- print ("%N")
- end
-
- handler_id := g_signal_connect_closure (an_object.handle,
- signal_name.to_external,
- handle,
- 0 -- i.e. call it before default handler
- )
- function:=a_function
- end
- signal_name: STRING is "drag-drop"
- function: FUNCTION [ANY, TUPLE [GDK_DRAG_CONTEXT, INTEGER, INTEGER, INTEGER, GTK_WIDGET], BOOLEAN]
- end