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# value.h

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    00001 /*  Inti: Integrated Foundation Classes
    00002  *  Copyright (C) 2002 The Inti Development Team.
    00003  *
    00004  *  This program is free software; you can redistribute it and/or modify
    00005  *  it under the terms of the GNU General Public License as published by
    00006  *  the Free Software Foundation; either version 2 of the License, or
    00007  *  (at your option) any later version.
    00008  *
    00009  *  This program is distributed in the hope that it will be useful,
    00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012  *  GNU Library General Public License for more details.
    00013  *
    00014  *  You should have received a copy of the GNU Library General Public License
    00015  *  along with this program; if not, write to the Free Software
    00016  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    00017  */
    00018
    00024
    00025 #ifndef INTI_ATK_VALUE_H
    00026 #define INTI_ATK_VALUE_H
    00027
    00028 #ifndef INTI_G_TYPE_H
    00029 #include <inti/glib/type.h>
    00030 #endif
    00031
    00032 #ifndef __ATK_VALUE_H__
    00033 #include <atk/atkvalue.h>
    00034 #endif
    00035
    00036 namespace Inti {
    00037
    00038 namespace G {
    00039 class Value;
    00040 }
    00041
    00042 namespace Atk {
    00043
    00044 class ValueIface;
    00045
    00054
    00055 class Value : public virtual G::TypeInterface
    00056 {
    00057         friend class ValueIface;
    00058
    00059 protected:
    00062         virtual ~Value() = 0;
    00063
    00065 //  Override these do_ methods when you want to change the default behaviour of the AtkValue.
    00066
    00067         virtual void do_get_current_value(GValue *value);
    00068
    00069         virtual void do_get_maximum_value(GValue *value);
    00070
    00071         virtual void do_get_minimum_value(GValue *value);
    00072
    00073         virtual bool do_set_current_value(const GValue *value);
    00074
    00075 public:
    00078
    00079         AtkValue* atk_value() const { return (AtkValue*)instance; }
    00081
    00082         AtkValueIface* atk_value_iface() const;
    00084
    00085         operator AtkValue* () const;
    00087
    00088         void get_current_value(G::Value& value) const;
    00091
    00092         void get_maximum_value(G::Value& value) const;
    00095
    00096         void get_minimum_value(G::Value& value) const;
    00099
    00103
    00104         bool set_current_value(const G::Value& value);
    00108
    00110 };
    00111
    00112 } // namespace Atk
    00113
    00114 } // namespace Inti
    00115
    00116 #endif // INTI_ATK_VALUE_H
    00117

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