gtk/src/vertex.hpp

   1 #ifndef __VERTEX_HPP__
   2 #define __VERTEX_HPP__
   3
   4 #include <vector>
   5 #include <gtkmm/widget.h>
   6 #include <pangomm/layout.h>
   7 #include <cairomm/context.h>
   8
   9 #include "drawable.hpp"
  10 #include "core/word.hpp"
  11
  12 class Vertex : public Drawable<Vertex *>
  13 {
  14 public:
  15         Vertex(Gtk::Widget &parent, const Word &word);
  16         virtual ~Vertex(void);
  17         void set_font(const Glib::ustring &font);
  18         void set_coordinates(gdouble x, gdouble y);
  19         gdouble get_x(void) const;
  20         gdouble get_y(void) const;
  21         gdouble get_width(void) const;
  22         gdouble get_height(void) const;
  23         void get_top_anchor(gdouble &x, gdouble &y) const;
  24         void get_bottom_anchor(gdouble &x, gdouble &y) const;
  25         virtual void draw(Cairo::RefPtr<Cairo::Context> cr);
  26         void add_friend(const Vertex &v);
  27         void delete_friend(const Vertex &v);
  28         bool is_friend(const Vertex &v) const;
  29         virtual bool select(Cairo::RefPtr<Cairo::Context> cr, gdouble x, gdouble y);
  30         virtual void deselect(void);
  31 private:
  32         bool _is_in_region(Cairo::RefPtr<Cairo::Context> cr, gdouble x, gdouble y) const;
  33
  34         const gint _PADDING;
  35         gdouble _x;
  36         gdouble _y;
  37         gdouble _width;
  38         gdouble _height;
  39         gdouble _descent;
  40         bool _is_highlight;
  41         Cairo::Path *_path;
  42
  43         const Word &_word;
  44         Glib::RefPtr<Pango::Layout> _layout;
  45         std::vector<const Vertex *> _friends;
  46 };
  47
  48 inline void Vertex::set_coordinates(gdouble x, gdouble y)
  49 {
  50         _x = x;
  51         _y = y;
  52 }
  53
  54 inline gdouble Vertex::get_x(void) const
  55 {
  56         return _x;
  57 }
  58
  59 inline gdouble Vertex::get_y(void) const
  60 {
  61         return _y;
  62 }
  63
  64 inline gdouble Vertex::get_width(void) const
  65 {
  66         return _width;
  67 }
  68
  69 inline gdouble Vertex::get_height(void) const
  70 {
  71         return _height;
  72 }
  73
  74 inline void Vertex::get_top_anchor(gdouble &x, gdouble &y) const
  75 {
  76         x = _x + _width / 2;
  77         y = _y;
  78 }
  79
  80 inline void Vertex::get_bottom_anchor(gdouble &x, gdouble &y) const
  81 {
  82         x = _x + _width / 2;
  83         y = _y + _height;
  84 }
  85
  86 #endif