1 /* 2 Open Tracker License 3 4 Terms and Conditions 5 6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy of 9 this software and associated documentation files (the "Software"), to deal in 10 the Software without restriction, including without limitation the rights to 11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12 of the Software, and to permit persons to whom the Software is furnished to do 13 so, subject to the following conditions: 14 15 The above copyright notice and this permission notice applies to all licensees 16 and shall be included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 Except as contained in this notice, the name of Be Incorporated shall not be 26 used in advertising or otherwise to promote the sale, use or other dealings in 27 this Software without prior written authorization from Be Incorporated. 28 29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks 30 of Be Incorporated in the United States and other countries. Other brand product 31 names are registered trademarks or trademarks of their respective holders. 32 All rights reserved. 33 */ 34 #ifndef _SETTINGS_H 35 #define _SETTINGS_H 36 37 38 #include <String.h> 39 #include "SettingsHandler.h" 40 41 42 namespace BPrivate { 43 44 extern Settings* settings; 45 46 class StringValueSetting : public SettingsArgvDispatcher { 47 // simple string setting 48 public: 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 59 protected: 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 69 class EnumeratedStringValueSetting : public StringValueSetting { 70 // string setting, values that do not match string enumeration 71 // are rejected 72 public: 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 80 protected: 81 const char* const* fValues; 82 }; 83 84 class ScalarValueSetting : public SettingsArgvDispatcher { 85 // simple int32 setting 86 public: 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 97 protected: 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 }; 109 110 class HexScalarValueSetting : public ScalarValueSetting { 111 // hexadecimal int32 setting 112 public: 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; 119 120 protected: 121 virtual void SaveSettingValue(Settings* settings); 122 }; 123 124 class BooleanValueSetting : public ScalarValueSetting { 125 // on-off setting 126 public: 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); 132 133 protected: 134 virtual void SaveSettingValue(Settings*); 135 }; 136 137 } 138 139 using namespace BPrivate; 140 141 142 #endif // _SETTINGS_H 143