src/ui/Keymap.hpp

   1 #ifndef BLANK_UI_KEYMAP_HPP_
   2 #define BLANK_UI_KEYMAP_HPP_
   3
   4 #include <iosfwd>
   5 #include <string>
   6 #include <SDL.h>
   7
   8
   9 namespace blank {
  10
  11 class Keymap {
  12
  13 public:
  14         enum Action {
  15                 NONE,
  16
  17                 MOVE_FORWARD,
  18                 MOVE_BACKWARD,
  19                 MOVE_LEFT,
  20                 MOVE_RIGHT,
  21                 MOVE_UP,
  22                 MOVE_DOWN,
  23
  24                 PRIMARY,
  25                 SECONDARY,
  26                 TERTIARY,
  27
  28                 INV_NEXT,
  29                 INV_PREVIOUS,
  30                 INV_1,
  31                 INV_2,
  32                 INV_3,
  33                 INV_4,
  34                 INV_5,
  35                 INV_6,
  36                 INV_7,
  37                 INV_8,
  38                 INV_9,
  39                 INV_10,
  40
  41                 TOGGLE_AUDIO,
  42                 TOGGLE_VIDEO,
  43                 TOGGLE_HUD,
  44                 TOGGLE_DEBUG,
  45
  46                 EXIT,
  47         };
  48
  49         static constexpr unsigned int MAX_SCANCODE = 0xFF;
  50         static constexpr unsigned int NUM_SCANCODES = MAX_SCANCODE + 1;
  51
  52 public:
  53         Keymap();
  54
  55         void Map(SDL_Scancode scancode, Action);
  56         Action Lookup(SDL_Scancode scancode) const;
  57         Action Lookup(const SDL_Keysym &s) const { return Lookup(s.scancode); }
  58         Action Lookup(const SDL_KeyboardEvent &e) const { return Lookup(e.keysym); }
  59
  60         void LoadDefault();
  61
  62         void Load(std::istream &);
  63         void Save(std::ostream &);
  64
  65         static const char *ActionToString(Action);
  66         static Action StringToAction(const std::string &);
  67
  68 private:
  69         Action codemap[NUM_SCANCODES];
  70
  71 };
  72
  73 }
  74
  75 #endif