crawl-ref/source/windowmanager.h

   1 #ifndef WINDOWMANAGER_H
   2 #define WINDOWMANAGER_H
   3
   4 #ifdef USE_TILE
   5
   6 #include "externs.h"
   7 #include "glwrapper.h"
   8 #include "tilereg.h"
   9 #include "tilesdl.h"
  10 #include "tiletex.h"
  11
  12 enum wm_endianness
  13 {
  14     WM_BIG_ENDIAN,
  15     WM_LIL_ENDIAN,
  16 };
  17
  18 enum wm_event_type
  19 {
  20     WM_NOEVENT = 0,
  21     WM_ACTIVEEVENT,
  22     WM_KEYDOWN,
  23     WM_KEYUP,
  24     WM_MOUSEMOTION,
  25     WM_MOUSEBUTTONUP,
  26     WM_MOUSEBUTTONDOWN,
  27     WM_QUIT,
  28     WM_CUSTOMEVENT,
  29     WM_RESIZE,
  30     WM_EXPOSE,
  31     WM_NUMEVENTS = 15
  32 };
  33
  34 struct wm_keysym
  35 {
  36     unsigned char scancode;
  37     int sym;
  38     unsigned char key_mod;
  39     unsigned int unicode;
  40 };
  41
  42 struct wm_active_event
  43 {
  44     unsigned char type;
  45     unsigned char gain;
  46     unsigned char state;
  47 };
  48
  49 struct wm_keyboard_event
  50 {
  51     unsigned char type;
  52     unsigned char state;
  53     wm_keysym keysym;
  54 };
  55
  56 struct wm_resize_event
  57 {
  58     unsigned char type;
  59     int w, h;
  60 };
  61
  62 struct wm_expose_event
  63 {
  64     unsigned char type;
  65 };
  66
  67 struct wm_quit_event
  68 {
  69     unsigned char type;
  70 };
  71
  72 struct wm_custom_event
  73 {
  74     unsigned char type;
  75     int code;
  76     void *data1;
  77     void *data2;
  78 };
  79
  80 // Basically a generic SDL_Event
  81 struct wm_event
  82 {
  83     unsigned char type;
  84     wm_active_event active;
  85     wm_keyboard_event key;
  86     MouseEvent mouse_event;
  87     wm_resize_event resize;
  88     wm_expose_event expose;
  89     wm_quit_event quit;
  90     wm_custom_event custom;
  91 };
  92
  93 // custom timer callback function
  94 typedef unsigned int (*wm_timer_callback)(unsigned int interval);
  95
  96 class WindowManager
  97 {
  98 public:
  99     // To silence pre 4.3 g++ compiler warnings
 100     virtual ~WindowManager() {};
 101
 102     // Static Alloc/deallocators
 103     // Note: Write this function in each implementation-specific file,
 104     // e.g. windowmanager-sdl.cc has its own WindowManager::create().
 105     static void create();
 106     static void shutdown();
 107
 108     // Class functions
 109     virtual int init(coord_def *m_windowsz) = 0;
 110
 111     // Environment state functions
 112     virtual void set_window_title(const char *title) = 0;
 113     virtual bool set_window_icon(const char* icon_name) = 0;
 114     virtual key_mod get_mod_state() const = 0;
 115     virtual void set_mod_state(key_mod mod) = 0;
 116     virtual int byte_order() = 0;
 117
 118     // System time functions
 119     virtual void set_timer(unsigned int interval,
 120                            wm_timer_callback callback) = 0;
 121     virtual unsigned int get_ticks() const = 0;
 122     virtual void delay(unsigned int ms) = 0;
 123
 124     // Event functions
 125     virtual int raise_custom_event() = 0;
 126     virtual int wait_event(wm_event *event) = 0;
 127     virtual unsigned int get_event_count(wm_event_type type) = 0;
 128
 129     // Display functions
 130     virtual void resize(coord_def &m_windowsz) = 0;
 131     virtual void swap_buffers() = 0;
 132     virtual int screen_width() const = 0;
 133     virtual int screen_height() const = 0;
 134     virtual int desktop_width() const = 0;
 135     virtual int desktop_height() const = 0;
 136
 137     // Texture loading
 138     virtual bool load_texture(GenericTexture *tex, const char *filename,
 139                               MipMapOptions mip_opt, unsigned int &orig_width,
 140                               unsigned int &orig_height,
 141                               tex_proc_func proc = NULL,
 142                               bool force_power_of_two = true) = 0;
 143
 144 };
 145
 146 // Main interface for UI functions
 147 extern WindowManager *wm;
 148
 149 #endif //USE_TILE
 150 #endif //include guard