OSDev.org

BxEvent* win32_notify_callback(void *unused, BxEvent *event)
{
  int opts;
  bx_param_c *param;
  bx_param_string_c *sparam;
#if BX_DEBUGGER
  char debug_msg[1024];
  int i, j;
#endif

  event->retcode = -1;
  switch (event->type)
  {
    case BX_SYNC_EVT_LOG_ASK:
      LogAskDialog(event);
      return event;
#if BX_DEBUGGER
    case BX_SYNC_EVT_GET_DBG_COMMAND:
      {
        debug_cmd = new char[512];
        SendMessage(hDebugDialog, WM_USER, 0x1234, 1);
        debug_cmd_ready = FALSE;
        SendMessage(hDebugDialog, WM_USER, 0x1234, 2);
        while (!debug_cmd_ready && (hDebugDialog != NULL)) {
          Sleep(10);
        }
        if (hDebugDialog == NULL) {
          lstrcpy(debug_cmd, "q");
        } else {
          SendMessage(hDebugDialog, WM_USER, 0x1234, 0);
        }
        event->u.debugcmd.command = debug_cmd;
        event->retcode = 1;
        return event;
      }
    case BX_ASYNC_EVT_DBG_MSG:
      lstrcpy(debug_msg, (char*)event->u.logmsg.msg);
      for (i = 0; i < lstrlen(debug_msg); i++) {
        if (debug_msg[i] == 10) {
          for (j = lstrlen(debug_msg); j >= i; j--) debug_msg[j+1] = debug_msg[j];
          debug_msg[i] = 13;
          i++;
        }
      }
      SendMessage(hDebugDialog, WM_USER, 0x5678, (LPARAM)debug_msg);
      // free the char* which was allocated in dbg_printf
      delete [] ((char*)event->u.logmsg.msg);
      return event;
#endif
    case BX_SYNC_EVT_ASK_PARAM:
      param = event->u.param.param;
      if (param->get_type() == BXT_PARAM_STRING) {
        sparam = (bx_param_string_c *)param;
        opts = sparam->get_options()->get();
        if (opts & sparam->IS_FILENAME) {
          if (opts & sparam->SELECT_FOLDER_DLG) {
            event->retcode = BrowseDir(sparam->get_label(), sparam->getptr());
          } else if (param->get_parent() == NULL) {
            event->retcode = AskFilename(GetBochsWindow(), (bx_param_filename_c *)sparam, "txt");
          } else {
            event->retcode = FloppyDialog((bx_param_filename_c *)sparam);
          }
          return event;
        } else {
          event->retcode = AskString(sparam);
          return event;
        }
      } else if (param->get_type() == BXT_LIST) {
        event->retcode = Cdrom1Dialog();
        return event;
      } else if (param->get_type() == BXT_PARAM_BOOL) {
        UINT flag = MB_YESNO | MB_SETFOREGROUND;
        if (((bx_param_bool_c *)param)->get() == 0) {
          flag |= MB_DEFBUTTON2;
        }
        ((bx_param_bool_c *)param)->set(MessageBox(GetActiveWindow(), param->get_description(), param->get_label(), flag) == IDYES);
        event->retcode = 0;
        return event;
      }
    case BX_ASYNC_EVT_REFRESH:
#if BX_DEBUGGER
      RefreshDebugDialog();
      return event;
#endif
    case BX_SYNC_EVT_TICK: // called periodically by siminterface.
      // fall into default case
    default:
      return (*old_callback)(old_callback_arg, event);
  }
}