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96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/* ATK - Accessibility Toolkit
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* Copyright 2001 Sun Microsystems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __ATK_VALUE_H__
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#define __ATK_VALUE_H__
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#include <atk/atkobject.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/*
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* The AtkValue interface should be supported by any object that
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* supports a numerical value (e.g., a scroll bar). This interface
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* provides the standard mechanism for an assistive technology to
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* determine and set the numerical value as well as get the minimum
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* and maximum values.
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*/
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#define ATK_TYPE_VALUE (atk_value_get_type ())
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#define ATK_IS_VALUE(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_VALUE)
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#define ATK_VALUE(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_VALUE, AtkValue)
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#define ATK_VALUE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_VALUE, AtkValueIface))
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#ifndef _TYPEDEF_ATK_VALUE_
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#define _TYPEDEF_ATK_VALUE__
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typedef struct _AtkValue AtkValue;
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#endif
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typedef struct _AtkValueIface AtkValueIface;
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struct _AtkValueIface
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{
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GTypeInterface parent;
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void (* get_current_value) (AtkValue *obj,
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GValue *value);
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void (* get_maximum_value) (AtkValue *obj,
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GValue *value);
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void (* get_minimum_value) (AtkValue *obj,
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GValue *value);
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gboolean (* set_current_value) (AtkValue *obj,
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const GValue *value);
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void (* get_minimum_increment) (AtkValue *obj,
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GValue *value);
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AtkFunction pad1;
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};
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GType atk_value_get_type (void);
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void atk_value_get_current_value (AtkValue *obj,
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GValue *value);
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void atk_value_get_maximum_value (AtkValue *obj,
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GValue *value);
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void atk_value_get_minimum_value (AtkValue *obj,
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GValue *value);
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gboolean atk_value_set_current_value (AtkValue *obj,
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const GValue *value);
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void atk_value_get_minimum_increment (AtkValue *obj,
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GValue *value);
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/*
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* Additional GObject properties exported by GaccessibleValue:
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* "accessible_value"
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* (the accessible value has changed)
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*/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __ATK_VALUE_H__ */
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