eleni.mutantstargoat.com Git - winnie/blob - src/sdl/mouse.cc

   1 #ifdef WINNIE_SDL
   2 #include <SDL/SDL.h>
   3
   4 #include "mouse.h"
   5 #include "window.h"
   6 #include "wm.h"
   7
   8 extern SDL_Event sdl_event;
   9
  10 static int pointer_x, pointer_y;
  11 static int bnstate;
  12
  13 bool init_mouse()
  14 {
  15         return true;
  16 }
  17
  18 void destroy_mouse()
  19 {
  20 }
  21
  22 void set_mouse_bounds(const Rect &rect)
  23 {
  24 }
  25
  26 int get_mouse_fd()
  27 {
  28         return -1;
  29 }
  30
  31 void process_mouse_event()
  32 {
  33         int bn;
  34         MouseMotionFuncType motion_callback = 0;
  35         MouseButtonFuncType button_callback = 0;
  36
  37         Window *top = wm->get_window_at_pos(pointer_x, pointer_y);
  38
  39         if(top) {
  40                 wm->set_focused_window(top);
  41         }
  42         else {
  43                 wm->set_focused_window(0);
  44         }
  45
  46         switch(sdl_event.type) {
  47         case SDL_MOUSEMOTION:
  48                 pointer_x = sdl_event.motion.x;
  49                 pointer_y = sdl_event.motion.y;
  50                 if(top && (motion_callback = top->get_mouse_motion_callback())) {
  51                         Rect rect = top->get_absolute_rect();
  52                         motion_callback(top, pointer_x - rect.x, pointer_y - rect.y);
  53                 }
  54                 break;
  55
  56         case SDL_MOUSEBUTTONUP:
  57         case SDL_MOUSEBUTTONDOWN:
  58                 bn = sdl_event.button.button - SDL_BUTTON_LEFT;
  59                 if(sdl_event.button.state == SDL_PRESSED) {
  60                         bnstate |= 1 << bn;
  61                 }
  62                 else {
  63                         bnstate &= ~(1 << bn);
  64                 }
  65                 if(top && (button_callback = top->get_mouse_button_callback())) {
  66                         button_callback(top, bn, sdl_event.button.state);
  67                 }
  68         }
  69 }
  70
  71 void get_pointer_pos(int *x, int *y)
  72 {
  73         *x = pointer_x;
  74         *y = pointer_y;
  75 }
  76
  77 int get_button_state()
  78 {
  79         return bnstate;
  80 }
  81
  82 int get_button(int bn)
  83 {
  84         if(bn < 0 || bn >= 3) {
  85                 return 0;
  86         }
  87         return (bnstate & (1 << bn)) != 0;
  88 }
  89 #endif // WINNIE_SDL