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-- Copyright (C) 1999 Dave E Martin XXIII and others
-- Licensed under Eiffel Forum Freeware License, version 1;
-- (see forum.txt)
--
indexing
description: "action for motion event, redefine execute to handle it"
author: "Dave E Martin XXIII"
license: "Eiffel Forum"
genesis: "199904300640 utc"
version: "v 0.3.5 GTK+ 1.2.x"
gtk_version: "1.2"
cvs: "$Id: gdk_motion_command.e,v 1.5 2000/07/10 02:01:26 richieb Exp $"
deferred class GDK_MOTION_COMMAND
inherit
GDK_EVENT_COMMAND
redefine
fetch_callback_arguments, event
end
feature -- initialization
make_motion (command_generator: GTK_OBJECT) is
require
valid_arg: command_generator /= Void
do
command_generator.add_action ("motion_notify_event", Current)
ensure
connected:
command_generator.action_by_name ("motion_notify_event") = Current
--- ensure
--- connected:
--- command_generator.action_by_name ("motion_notify_event") = Current
--- TODO: This may not hold because the action array does not prevent multiple
--- commands for the same signal_name being added, and action_by_name will only
--- return the first one it finds. The former may or may not be desirable
--- depending on what gtk does; as for the latter, perhaps a has_action_cmd
--- query should be added.
end
feature {NONE} -- callback
fetch_callback_arguments (argc: INTEGER; argp: POINTER) is
local
p: POINTER
do
debug
print ("motion EVENT OCCURRED%N") -- HERE TEMP DEBUG
end
-- get the event data
p := fetch_pointer (argp, 0)
check
event_data_valid: p /= default_pointer
end
if event = Void then
!! event.make_from_pointer (p)
else
event.make_from_pointer (p)
end
end
feature -- query
event: GDK_EVENT_MOTION
end -- GDK_MOTION_COMMAND
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