source/designer/selection.h

   1 #ifndef SELECTION_H_
   2 #define SELECTION_H_
   3
   4 #include <set>
   5 #include <sigc++/sigc++.h>
   6 #include "libr2c2/object.h"
   7
   8 class Selection
   9 {
  10 public:
  11         sigc::signal<void> signal_changed;
  12
  13 private:
  14         std::set<R2C2::Object *> objects;
  15
  16 public:
  17         const std::set<R2C2::Object *> &get_objects() const { return objects; }
  18         R2C2::Object *get_object() const;
  19
  20         template<typename T>
  21         std::set<T *> get_objects() const
  22         {
  23                 std::set<T *> result;
  24                 for(std::set<R2C2::Object *>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
  25                         if(T *to = dynamic_cast<T *>(*i))
  26                                 result.insert(to);
  27                 return result;
  28         }
  29
  30         template<typename T>
  31         T *get_object() const
  32         {
  33                 for(std::set<R2C2::Object *>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
  34                         if(T *to = dynamic_cast<T *>(*i))
  35                                 return to;
  36                 return 0;
  37         }
  38
  39         unsigned size() const { return objects.size(); }
  40         bool empty() const { return objects.empty(); }
  41
  42         void clear();
  43
  44         template<typename Iter>
  45         void replace(Iter begin, Iter end)
  46         {
  47                 objects.clear();
  48                 objects.insert(begin, end);
  49                 signal_changed.emit();
  50         }
  51
  52         void add_object(R2C2::Object *);
  53         void remove_object(R2C2::Object *);
  54         void toggle_object(R2C2::Object *);
  55
  56         void select_more();
  57         void select_linked();
  58         void select_blocks();
  59 };
  60
  61 #endif