menbedMenuParam.h

00001 #ifndef _MENBEDMENUPARAM_H_
00002 #define _MENBEDMENUPARAM_H_
00003 #include  <string>
00004 class MenbedMenuParam {
00005 public:
00006     // Copy of the initial value;
00007     float initVal;
00008     string initValString;
00009     // Temporary copy of the parameter used to the hold the modified value
00010     // before it is committed.
00011     float tempVal;
00012     
00013     MenbedMenuParam (float (*initValFcn)(void), void (*finalValFcn)(float),
00014         bool liveUpdate, float min, float max,
00015         float inc);
00016         
00017     float getVal (void);
00018     void setVal (float v);
00019     bool liveUpdate (void) {return _liveUpdate;}
00020     float min (void) {return _min;}
00021     float max (void) {return _max;}
00022     float inc (void) {return _inc;}
00023             
00024 protected:
00025     // Pointer to a function returning a float containing the current value of
00026     // the parameter.
00027     float (*initValFcn)(void);
00028     // Pointer to a function taking a float that is called when the parameter
00029     // value is modified.
00030     string (*initValStringFcn)(void);
00031     // Pointer to a function taking a float that is called when the parameter
00032     // value is modified.
00033     void (*finalValFcn)(float);
00034     // Boolean indicating whether the finalValFcn should be called each time
00035     // the user makes a change to the variable or whether it should only be
00036     // called once the user confirms the change.
00037     void (*finalValStringFcn)(string);
00038     // Boolean indicating whether the finalValFcn should be called each time
00039     // the user makes a change to the variable or whether it should only be
00040     // called once the user confirms the change.
00041     bool _liveUpdate;
00042     // Minimum allowable value.
00043     float _min;
00044     // Maximum allowable value.
00045     float _max;
00046     // Amount by which to increment/decrement the parameter with each presses of
00047     // the up/down button.
00048     float _inc;
00049 };
00050 
00051 #endif /* _MENBEDMENUPARAM_H_ */