getLengthFromTextField() Returns length: 0: empty text field >0: valid length -1: invalid length */
| 346 | >0: valid length |
| 347 | -1: invalid length */ |
| 348 | int |
| 349 | MainWindow::getLengthFromTextField(FXTextField *tf) |
| 350 | { |
| 351 | long int len; |
| 352 | FXString str = tf->getText(); |
| 353 | size_t sz = str.length(); |
| 354 | |
| 355 | if (sz > 0) { |
| 356 | char *endptr; |
| 357 | len = strtol(str.text(), &endptr, 0); |
| 358 | if (endptr != str.text() && *endptr == '\0') { |
| 359 | if (len <= 0) { |
| 360 | FXMessageBox::error(this, MBOX_OK, "Invalid length", "Enter a length greater than zero."); |
| 361 | return -1; |
| 362 | } |
| 363 | return len; |
| 364 | } |
| 365 | else |
| 366 | return -1; |
| 367 | } |
| 368 | |
| 369 | return 0; |
| 370 | } |
| 371 | |
| 372 | long |
| 373 | MainWindow::onSendOutputReport(FXObject *sender, FXSelector sel, void *ptr) |