Method AddLongButton

Descent3/newui_core.cpp:1968–1971

adds standard long button to current group.

//	adds standard long button to current group.
void newuiSheet::AddLongButton(const char *title, int16_t id, int16_t flags) {
  newuiSheet::t_gadget_desc *gadget = AddGadget(id, GADGET_LBUTTON, title);
  gadget->parm.i = flags;
}

//	adds checkbox to current group.  initial state of checkbox can be set.
bool *newuiSheet::AddCheckBox(const char *title, bool init_state, int16_t id) {