57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/***************************************************************************
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gbx_c_observer.h
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(c) 2000-2017 Benoît Minisini <benoit.minisini@gambas-basic.org>
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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, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#ifndef __GBX_C_OBSERVER_H
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#define __GBX_C_OBSERVER_H
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#include "gambas.h"
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#include "gbx_object.h"
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#include "gb_list.h"
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#ifndef __GBX_C_OBSERVER_C
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extern GB_DESC NATIVE_Observer[];
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#else
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#define THIS ((COBSERVER *)_object)
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#endif
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// Note: the interpreter automatically allocates an extra OBJECT_EVENT structure. See CLASS_calc_info().
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typedef
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struct {
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OBJECT ob;
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LIST list;
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ushort *event;
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void *object;
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GB_VARIANT_VALUE tag;
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short locked;
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unsigned after : 1;
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}
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COBSERVER;
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void COBSERVER_attach(COBSERVER *this, void *parent, const char *name);
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void COBSERVER_detach(COBSERVER *this);
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void COBSERVER_lock(COBSERVER *this, bool lock);
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#define COBSERVER_is_locked(_this) (((COBSERVER *)_this)->locked > 0)
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#endif
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