74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
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/*
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* mooutils/moosignal.h
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*
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* Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* See COPYING file that comes with this distribution.
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*/
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#ifndef MOOUTILS_MOOSIGNAL_H
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#define MOOUTILS_MOOSIGNAL_H
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#include <glib-object.h>
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static void void_marshal (G_GNUC_UNUSED GClosure *closure,
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G_GNUC_UNUSED GValue *return_value,
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G_GNUC_UNUSED guint n_param_values,
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G_GNUC_UNUSED const GValue *param_values,
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G_GNUC_UNUSED gpointer invocation_hint,
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G_GNUC_UNUSED gpointer marshal_data)
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{
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}
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static GClosure *void_closure_new (void)
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{
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GClosure *closure = g_closure_new_simple (sizeof (GClosure), NULL);
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g_closure_set_marshal (closure, void_marshal);
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return closure;
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}
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static guint moo_signal_new_cb (const gchar *signal_name,
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GType itype,
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GSignalFlags signal_flags,
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GCallback handler,
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GSignalAccumulator accumulator,
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gpointer accu_data,
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GSignalCMarshaller c_marshaller,
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GType return_type,
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guint n_params,
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...)
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{
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va_list args;
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guint signal_id;
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g_return_val_if_fail (signal_name != NULL, 0);
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va_start (args, n_params);
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if (handler)
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signal_id = g_signal_new_valist (signal_name, itype, signal_flags,
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g_cclosure_new (handler, NULL, NULL),
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accumulator, accu_data, c_marshaller,
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return_type, n_params, args);
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else
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signal_id = g_signal_new_valist (signal_name, itype, signal_flags,
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void_closure_new (),
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accumulator, accu_data, c_marshaller,
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return_type, n_params, args);
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va_end (args);
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return signal_id;
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}
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#endif /* MOOUTILS_MOOSIGNAL_H */
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