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;
   9 int k;
  10 Uint8 buttons;
  11 m =calloc(1, sizeof(mouse));
  12 buttons  =SDL_GetMouseState(&m -> x, &m ->y);
  13 for (k=0;k <5;k++){
  14 *(((int *) m) +(sizeof(int)*k)) =SDL_BUTTON (k+1);
  15 }
  16 return m;
  17 }
  18
  19 void setMousePosition(int x, int y)
  20 {
  21 SDL_WarpMouse(x, y);
  22 //todo check if propper cast to Uint16 is required
  23 }
  24
  25 int isMouseButtonDown(int b)
  26 {
  27 if (b <1 ||b >5) return 0;
  28 mouse *m =getMouseState();
  29 int state =*(((int *) m) -1 +(sizeof(int)*b));
  30 return state ==1;
  31 }