Function TelComHandleKeyPress

Descent3/TelCom.cpp:2753–3082

extern int AM_terrain, AM_realign, AM_center_on_player, AM_current_marker;
void TelComHandleKeyPress(int key, bool click, int screen_id) {
  int bit = 0x01;
  bit = (bit << key);
  if (!(Telcom_system.TelComSysKeyEnable & bit))
    return;

  switch (key) {
  case TCSYS_REVERSETAB: {
    if (!click)
      break;

    int first = -1, curr_focus = -1;
    int i = Screen_roots[screen_id];

    while (i != -1) {
      if (TCEffects[i].tab_stop) {
        // this is effect is a tab stop
        if (first == -1)
          first = i;
        if (TCEffects[i].has_focus) {
          // this effect is the one with focus
          curr_focus = i;
          break;
        }
      }
      i = TCEffects[i].next;
    }

    if (curr_focus == -1) {
      // none currently have focus!, make the effect we found (if any) have focus
      if (first != -1) {
        SendEventToEffect(first, TEVT_GAINFOCUS);
        TCEffects[first].has_focus = true;
      }
      break; // our work is done here
    }

    bool done = false;
    int end_node = Screen_roots[screen_id];
    int t = end_node;
    if (t == -1) {
      Int3();
      break;
    }

    while (!done) {
      if (TCEffects[t].next == -1) {
        done = true;
        end_node = t;
      } else {
        t = TCEffects[t].next;
      }
    }

    done = false;
    int new_focus = -1;
    while (!done) {
      if (i == -1) {