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author | Bill Haneman <billh@src.gnome.org> | 2001-04-26 14:23:41 +0000 |
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committer | Bill Haneman <billh@src.gnome.org> | 2001-04-26 14:23:41 +0000 |
commit | dba66b4bec94a908cd35a5537209db255fa5fa33 (patch) | |
tree | 3c6361db3558e2e2c70e9c802193974f45d24bf0 /atk/atkvalue.h | |
download | atk-dba66b4bec94a908cd35a5537209db255fa5fa33.tar.gz |
Initial revision
Diffstat (limited to 'atk/atkvalue.h')
-rwxr-xr-x | atk/atkvalue.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/atk/atkvalue.h b/atk/atkvalue.h new file mode 100755 index 0000000..bbf8be8 --- /dev/null +++ b/atk/atkvalue.h @@ -0,0 +1,101 @@ +/* ATK - Accessibility Toolkit + * Copyright 2001 Sun Microsystems Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __ATK_VALUE_H__ +#define __ATK_VALUE_H__ + +#include <atk/atkobject.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* + * The AtkValue interface should be supported by any object that + * supports a numerical value (e.g., a scroll bar). This interface + * provides the standard mechanism for an assistive technology to + * determine and set the numerical value as well as get the minimum + * and maximum values. + */ + +#define ATK_TYPE_VALUE (atk_value_get_type ()) +#define ATK_IS_VALUE(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_VALUE) +#define ATK_VALUE(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_VALUE, AtkValue) +#define ATK_VALUE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_VALUE, AtkValueIface)) + +#ifndef _TYPEDEF_ATK_VALUE_ +#define _TYPEDEF_ATK_VALUE__ +typedef struct _AtkValue AtkValue; +#endif + +struct _AtkValueIface +{ + GTypeInterface parent; + + /* + * Gets the value of this object + */ + void (* get_current_value) (AtkValue *obj, + GValue *value); + /* + * Gets the maximum value of this object + */ + void (* get_maximum_value) (AtkValue *obj, + GValue *value); + /* + * Gets the minimum value of this object + */ + void (* get_minimum_value) (AtkValue *obj, + GValue *value); + /* + * Sets the value of this object + */ + gboolean (* set_current_value) (AtkValue *obj, + GValue *value); + +}; + +GType atk_value_get_type (void); + +void atk_value_get_current_value (AtkValue *obj, + GValue *value); + + +void atk_value_get_maximum_value (AtkValue *obj, + GValue *value); + +void atk_value_get_minimum_value (AtkValue *obj, + GValue *value); + +gboolean atk_value_set_current_value (AtkValue *obj, + GValue *value); + +/* + * Additional GObject properties exported by GaccessibleValue: + * "accessible_value" + * (the accessible value has changed) + */ + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __ATK_VALUE_H__ */ |