bndedval.h

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00001 #ifndef bounded_value_h
00002 #define bounded_value_h
00003 
00004 #include <InterViews/adjust.h>
00005 
00006 class BoundedValue : public Adjustable {
00007 protected:
00008     BoundedValue();
00009 public:
00010     BoundedValue(Coord lower, Coord upper);
00011     virtual ~BoundedValue();
00012 
00013     virtual void lower_bound(Coord);
00014     virtual void upper_bound(Coord);
00015     virtual void current_value(Coord);
00016     virtual void scroll_incr(Coord);
00017     virtual void page_incr(Coord);
00018 
00019     virtual Coord lower(DimensionName) const;
00020     virtual Coord upper(DimensionName) const;
00021     virtual Coord length(DimensionName) const;
00022     virtual Coord cur_lower(DimensionName) const;
00023     virtual Coord cur_upper(DimensionName) const;
00024     virtual Coord cur_length(DimensionName) const;
00025 
00026     virtual void scroll_to(DimensionName, Coord position);
00027     virtual void scroll_forward(DimensionName);
00028     virtual void scroll_backward(DimensionName);
00029     virtual void page_forward(DimensionName);
00030     virtual void page_backward(DimensionName);
00031 private:
00032     Coord curvalue_;
00033     Coord lower_;
00034     Coord span_;
00035     Coord scroll_incr_;
00036     Coord page_incr_;
00037 };
00038 
00039 
00040 #endif