Function UpdateFileList

Descent3/newui_filedlg.cpp:589–823

Updates the given listbox with the directories and files that match wildcards (each wildcard seperates by a ;)

// Updates the given listbox with the directories and files that match wildcards (each wildcard seperates by a ;)
void UpdateFileList(newuiListBox *lb, const char *path, char *wildcards) {
  FDlg_EnableWaitMessage(true);
  lb->RemoveAll();

  // if path is NULL or 0 length string then just list the directories
  if ((!path) || (*path == '\0')) {
    char *roots[30];
    int rootcount = ddio_GetFileSysRoots((char **)&roots, 30);
    if (!rootcount) {
      FDlg_EnableWaitMessage(false);
      return;
    }
    char tempbuffer[5];
    for (int i = 0; i < rootcount; i++) {
      if (roots[i]) {
        snprintf(tempbuffer, sizeof(tempbuffer), " [%s]", roots[i]);
        lb->AddItem(tempbuffer);
        mem_free(roots[i]);
      }
    }
    FDlg_EnableWaitMessage(false);
    return;
  }

  char **dirs = NULL;
  char *tempdir[1];
  char fullpath[_MAX_PATH];
  ddio_GetRootFromPath(path, fullpath);
  if (!stricmp(path, fullpath)) {
    // we are are the root of the drive, make a dummy path
    ddio_MakePath(fullpath, path, "", NULL);
  } else {
    // just use this
    strcpy(fullpath, path);
  }

  int dircount = GetDirectoriesInPath((char **)&tempdir, 1, fullpath);
  if (dircount == -1) {
    // invalid directory/path
    DoMessageBox(TXT_ERROR, TXT_ERRPATHNOTVALID, MSGBOX_OK);
    FDlg_EnableWaitMessage(false);
    return;
  }

  if (tempdir[0])
    mem_free(tempdir[0]);
  if (dircount > 0) {
    dirs = (char **)mem_malloc(sizeof(char *) * dircount);
    if (!dirs) {
      // out of memory!
      dircount = 0;
    } else {
      GetDirectoriesInPath(dirs, dircount, fullpath);
    }
  } else {
    dircount = 0;
    dirs = NULL;
  }