mouse.c

   1 #include <string.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <SDL/SDL.h>
   5 #include "mouse.h"
   6 mouse *getMouseState(void)
   7 {
   8 mouse *m =kalloc(sizeof(mouse));
   9 int k;
  10 Uint8 buttons =SDL_GetMouseState(&m -> x, &m ->y);
  11 for (k=1;k <=5;k++){
  12 *(&mouse +(sizeof(int)*k)) =SDL_BUTTON (k);
  13 }
  14 return m;
  15 }
  16
  17 void setMousePosition(int x, int y)
  18 {
  19 SDL_WarpMouse(x, y);
  20 //todo check if propper cast to Uint16 is required
  21 }
  22
  23 int isMouseButtonDown(int b)
  24 {
  25 if (b <1 ||b >5) return 0;
  26 return *(&mouse +(sizeof(int)*b)) ==1;
  27 }