1/*
2Open Tracker License
3
4Terms and Conditions
5
6Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
7
8Permission is hereby granted, free of charge, to any person obtaining a copy of
9this software and associated documentation files (the "Software"), to deal in
10the Software without restriction, including without limitation the rights to
11use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12of the Software, and to permit persons to whom the Software is furnished to do
13so, subject to the following conditions:
14
15The above copyright notice and this permission notice applies to all licensees
16and shall be included in all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
25Except as contained in this notice, the name of Be Incorporated shall not be
26used in advertising or otherwise to promote the sale, use or other dealings in
27this Software without prior written authorization from Be Incorporated.
28
29Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
30of Be Incorporated in the United States and other countries. Other brand product
31names are registered trademarks or trademarks of their respective holders.
32All rights reserved.
33*/
34#ifndef _SETTINGS_H
35#define _SETTINGS_H
36
37
38#include <String.h>
39#include "SettingsHandler.h"
40
41
42namespace BPrivate {
43
44extern Settings* settings;
45
46class StringValueSetting : public SettingsArgvDispatcher {
47	// simple string setting
48public:
49	StringValueSetting(const char* name, const char* defaultValue,
50		const char* valueExpectedErrorString,
51		const char* wrongValueErrorString);
52
53	virtual ~StringValueSetting();
54
55	void ValueChanged(const char* newValue);
56	const char* Value() const;
57	virtual const char* Handle(const char* const *argv);
58
59protected:
60	virtual void SaveSettingValue(Settings*);
61	virtual bool NeedsSaving() const;
62
63	const char* fDefaultValue;
64	const char* fValueExpectedErrorString;
65	const char* fWrongValueErrorString;
66	BString fValue;
67};
68
69class EnumeratedStringValueSetting : public StringValueSetting {
70	// string setting, values that do not match string enumeration
71	// are rejected
72public:
73	EnumeratedStringValueSetting(const char* name, const char* defaultValue,
74		const char* const* values, const char* valueExpectedErrorString,
75		const char* wrongValueErrorString);
76
77	void ValueChanged(const char* newValue);
78	virtual const char* Handle(const char* const *argv);
79
80protected:
81	const char* const* fValues;
82};
83
84class ScalarValueSetting : public SettingsArgvDispatcher {
85	// simple int32 setting
86public:
87	ScalarValueSetting(const char* name, int32 defaultValue,
88		const char* valueExpectedErrorString,
89		const char* wrongValueErrorString, int32 min = INT32_MIN,
90		int32 max = INT32_MAX);
91
92	void ValueChanged(int32 newValue);
93	int32 Value() const;
94	void GetValueAsString(char*) const;
95	virtual const char* Handle(const char* const *argv);
96
97protected:
98	virtual void SaveSettingValue(Settings*);
99	virtual bool NeedsSaving() const;
100
101	int32 fDefaultValue;
102	int32 fValue;
103	int32 fMax;
104	int32 fMin;
105
106	const char* fValueExpectedErrorString;
107	const char* fWrongValueErrorString;
108};
109
110class HexScalarValueSetting : public ScalarValueSetting {
111	// hexadecimal int32 setting
112public:
113	HexScalarValueSetting(const char* name, int32 defaultValue,
114		const char* valueExpectedErrorString,
115		const char* wrongValueErrorString, int32 min = INT32_MIN,
116		int32 max = INT32_MAX);
117
118	void GetValueAsString(char* buffer) const;
119
120protected:
121	virtual void SaveSettingValue(Settings* settings);
122};
123
124class BooleanValueSetting : public ScalarValueSetting {
125	// on-off setting
126public:
127	BooleanValueSetting(const char* name, bool defaultValue);
128
129	bool Value() const;
130	void SetValue(bool value);
131	virtual const char* Handle(const char* const *argv);
132
133protected:
134	virtual void SaveSettingValue(Settings*);
135};
136
137}
138
139using namespace BPrivate;
140
141
142#endif	// _SETTINGS_H
143