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comparison: other-licenses/atk-1.0/atk/atkvalue.h
other-licenses/atk-1.0/atk/atkvalue.h
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| 1 /* ATK - Accessibility Toolkit | |
| 2 * Copyright 2001 Sun Microsystems Inc. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU Library General Public | |
| 15 * License along with this library; if not, write to the | |
| 16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 17 * Boston, MA 02111-1307, USA. | |
| 18 */ | |
| 19 | |
| 20 #ifndef __ATK_VALUE_H__ | |
| 21 #define __ATK_VALUE_H__ | |
| 22 | |
| 23 #include <atk/atkobject.h> | |
| 24 | |
| 25 #ifdef __cplusplus | |
| 26 extern "C" { | |
| 27 #endif /* __cplusplus */ | |
| 28 | |
| 29 /* | |
| 30 * The AtkValue interface should be supported by any object that | |
| 31 * supports a numerical value (e.g., a scroll bar). This interface | |
| 32 * provides the standard mechanism for an assistive technology to | |
| 33 * determine and set the numerical value as well as get the minimum | |
| 34 * and maximum values. | |
| 35 */ | |
| 36 | |
| 37 #define ATK_TYPE_VALUE (atk_value_get_type ()) | |
| 38 #define ATK_IS_VALUE(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_VALUE) | |
| 39 #define ATK_VALUE(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_VALUE, AtkValue) | |
| 40 #define ATK_VALUE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_VALUE, AtkValueIface)) | |
| 41 | |
| 42 #ifndef _TYPEDEF_ATK_VALUE_ | |
| 43 #define _TYPEDEF_ATK_VALUE__ | |
| 44 typedef struct _AtkValue AtkValue; | |
| 45 #endif | |
| 46 typedef struct _AtkValueIface AtkValueIface; | |
| 47 | |
| 48 struct _AtkValueIface | |
| 49 { | |
| 50 GTypeInterface parent; | |
| 51 | |
| 52 void (* get_current_value) (AtkValue *obj, | |
| 53 GValue *value); | |
| 54 void (* get_maximum_value) (AtkValue *obj, | |
| 55 GValue *value); | |
| 56 void (* get_minimum_value) (AtkValue *obj, | |
| 57 GValue *value); | |
| 58 gboolean (* set_current_value) (AtkValue *obj, | |
| 59 const GValue *value); | |
| 60 void (* get_minimum_increment) (AtkValue *obj, | |
| 61 GValue *value); | |
| 62 AtkFunction pad1; | |
| 63 }; | |
| 64 | |
| 65 GType atk_value_get_type (void); | |
| 66 | |
| 67 void atk_value_get_current_value (AtkValue *obj, | |
| 68 GValue *value); | |
| 69 | |
| 70 | |
| 71 void atk_value_get_maximum_value (AtkValue *obj, | |
| 72 GValue *value); | |
| 73 | |
| 74 void atk_value_get_minimum_value (AtkValue *obj, | |
| 75 GValue *value); | |
| 76 | |
| 77 gboolean atk_value_set_current_value (AtkValue *obj, | |
| 78 const GValue *value); | |
| 79 | |
| 80 void atk_value_get_minimum_increment (AtkValue *obj, | |
| 81 GValue *value); | |
| 82 | |
| 83 /* | |
| 84 * Additional GObject properties exported by GaccessibleValue: | |
| 85 * "accessible_value" | |
| 86 * (the accessible value has changed) | |
| 87 */ | |
| 88 | |
| 89 | |
| 90 #ifdef __cplusplus | |
| 91 } | |
| 92 #endif /* __cplusplus */ | |
| 93 | |
| 94 | |
| 95 #endif /* __ATK_VALUE_H__ */ |
