Mouse Handler

mouse_handler.cpp

void mouseHandler(int key, int state, bool transition, int repetitions) {

  if(transition && (key == 0 || key == 2)) {
      char mouseButton = MOUSE_LEFT;
      if(key == 2) mouseButton = MOUSE_RIGHT;
      if(state == BTN_PRESSED) {
        Mouse.press(mouseButton);   
      } else {
        Mouse.release(mouseButton);
      }
  } else if(transition && state == BTN_PRESSED && (key == 3 || key == 4)){
      //the mouse wheel works better as key presses but we just have to capture the pressed
      Mouse.move(0,0,key == 3 ? 1 : -1);
  } else if (state == BTN_PRESSED && (key == 1 || key == 5 || key == 6 || key == 7)) {
    signed char xval = 0, yval = 0;
    int accel = (repetitions / 10)+1;
    if(key == 1) yval = -accel;
    else if(key == 5) xval = accel;
    else if(key == 6) yval = accel;
    else if(key == 7) xval = -accel;
    Mouse.move(xval,yval,0);
  } 
    
}