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 35 #ifndef _SETTINGS_H_ 36 #define _SETTINGS_H_ 37 38 #include <String.h> 39 #include "SettingsHandler.h" 40 41 namespace BPrivate { 42 43 extern Settings *settings; 44 45 class StringValueSetting : public SettingsArgvDispatcher { 46 // simple string setting 47 public: 48 StringValueSetting(const char *name, const char *defaultValue, 49 const char *valueExpectedErrorString, 50 const char *wrongValueErrorString); 51 52 virtual ~StringValueSetting(); 53 54 void ValueChanged(const char *newValue); 55 const char *Value() const; 56 virtual const char *Handle(const char *const *argv); 57 58 protected: 59 virtual void SaveSettingValue(Settings *); 60 virtual bool NeedsSaving() const; 61 62 const char *fDefaultValue; 63 const char *fValueExpectedErrorString; 64 const char *fWrongValueErrorString; 65 BString fValue; 66 }; 67 68 class EnumeratedStringValueSetting : public StringValueSetting { 69 // string setting, values that do not match string enumeration 70 // are rejected 71 public: 72 EnumeratedStringValueSetting(const char *name, const char *defaultValue, 73 const char *const *values, const char *valueExpectedErrorString, 74 const char *wrongValueErrorString); 75 76 void ValueChanged(const char *newValue); 77 virtual const char *Handle(const char *const *argv); 78 79 protected: 80 const char *const *fValues; 81 }; 82 83 class ScalarValueSetting : public SettingsArgvDispatcher { 84 // simple int32 setting 85 public: 86 ScalarValueSetting(const char *name, int32 defaultValue, 87 const char *valueExpectedErrorString, const char *wrongValueErrorString, 88 int32 min = LONG_MIN, int32 max = LONG_MAX); 89 90 void ValueChanged(int32 newValue); 91 int32 Value() const; 92 void GetValueAsString(char *) const; 93 virtual const char *Handle(const char *const *argv); 94 95 protected: 96 virtual void SaveSettingValue(Settings *); 97 virtual bool NeedsSaving() const; 98 99 int32 fDefaultValue; 100 int32 fValue; 101 int32 fMax; 102 int32 fMin; 103 104 const char *fValueExpectedErrorString; 105 const char *fWrongValueErrorString; 106 }; 107 108 class HexScalarValueSetting : public ScalarValueSetting { 109 // hexadecimal int32 setting 110 public: 111 HexScalarValueSetting(const char *name, int32 defaultValue, 112 const char *valueExpectedErrorString, const char *wrongValueErrorString, 113 int32 min = LONG_MIN, int32 max = LONG_MAX); 114 115 void GetValueAsString(char *buffer) const; 116 117 protected: 118 virtual void SaveSettingValue(Settings *settings); 119 }; 120 121 class BooleanValueSetting : public ScalarValueSetting { 122 // on-off setting 123 public: 124 BooleanValueSetting(const char *name, bool defaultValue); 125 126 bool Value() const; 127 void SetValue(bool value); 128 virtual const char *Handle(const char *const *argv); 129 130 protected: 131 virtual void SaveSettingValue(Settings *); 132 }; 133 134 } 135 136 using namespace BPrivate; 137 138 #endif /* _SETTINGS_H_ */ 139