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Commit 7c8e110b28c52dbb54f2b5d52b7d700b52288f30

Authored by perry.werneck@gmail.com
1 parent 05e7e63d
Exists in master and in 3 other branches develop, macos, network_module

Iniciando implementação de seleção acessível

Showing 1 changed file with 52 additions and 9 deletions   Show diff stats
selection.c
  Diff comments   View file @7c8e110
... ... @@ -407,6 +407,41 @@ static char * get_text(H3270 *hSession,unsigned char all)
407 407 return ret;
408 408 }
409 409  
  410 +LIB3270_EXPORT char * lib3270_get_region(H3270 *h, int start_pos, int end_pos, unsigned char all)
  411 +{
  412 + char * text;
  413 + int maxlen;
  414 + int sz = 0;
  415 + int baddr;
  416 +
  417 + CHECK_SESSION_HANDLE(h);
  418 +
  419 + if(!lib3270_connected(h))
  420 + return NULL;
  421 +
  422 + maxlen = h->rows * (h->cols+1);
  423 +
  424 + if(start_pos < 0 || start_pos > maxlen || end_pos < 0 || end_pos > maxlen || end_pos < start_pos)
  425 + return NULL;
  426 +
  427 + text = malloc(maxlen);
  428 +
  429 + for(baddr=start_pos;baddr<end_pos;baddr++)
  430 + {
  431 + if(all || h->text[baddr].attr & LIB3270_ATTR_SELECTED)
  432 + text[sz++] = (h->text[baddr].attr & LIB3270_ATTR_CG) ? ' ' : h->text[baddr].chr;
  433 +
  434 + if((baddr%h->cols) == 0 && sz > 0)
  435 + text[sz++] = '\n';
  436 + }
  437 + text[sz++] = 0;
  438 +
  439 + return realloc(text,sz);
  440 +}
  441 +
  442 +
  443 +
  444 +
410 445 LIB3270_EXPORT char * lib3270_get_text(H3270 *h, int offset, int len)
411 446 {
412 447 char * buffer;
... ... @@ -468,25 +503,33 @@ LIB3270_EXPORT char * lib3270_get_selected(H3270 *hSession)
468 503 return get_text(hSession,0);
469 504 }
470 505  
471   -LIB3270_EXPORT int lib3270_get_selected_addr(H3270 *hSession, int *begin, int *end)
  506 +LIB3270_EXPORT int lib3270_get_selection_bounds(H3270 *hSession, int *start, int *end)
472 507 {
  508 + int first, last;
  509 +
473 510 CHECK_SESSION_HANDLE(hSession);
474 511  
475 512 if(!hSession->selected || hSession->select.begin == hSession->select.end)
476   - return -1;
  513 + return 0;
477 514  
478 515 if(hSession->select.end > hSession->select.begin)
479 516 {
480   - *begin = hSession->select.begin;
481   - *end = hSession->select.end;
  517 + first = hSession->select.begin;
  518 + last = hSession->select.end;
482 519 }
483 520 else
484 521 {
485   - *begin = hSession->select.end;
486   - *end = hSession->select.begin;
  522 + first = hSession->select.end;
  523 + last = hSession->select.begin;
487 524 }
488 525  
489   - return 0;
  526 + if(start)
  527 + *start = first;
  528 +
  529 + if(end)
  530 + *end = last;
  531 +
  532 + return 1;
490 533 }
491 534  
492 535 LIB3270_EXPORT int lib3270_move_selected_area(H3270 *hSession, int from, int to)
... ... @@ -494,7 +537,7 @@ LIB3270_EXPORT int lib3270_move_selected_area(H3270 *hSession, int from, int to)
494 537 int pos[2];
495 538 int rows, cols, f, step;
496 539  
497   - if(lib3270_get_selected_addr(hSession,&pos[0],&pos[1]))
  540 + if(!lib3270_get_selection_bounds(hSession,&pos[0],&pos[1]))
498 541 return from;
499 542  
500 543 rows = (to / hSession->cols) - (from / hSession->cols);
... ... @@ -533,7 +576,7 @@ LIB3270_EXPORT int lib3270_drag_selection(H3270 *h, unsigned char flag, int orig
533 576 {
534 577 int first, last, row, col;
535 578  
536   - if(lib3270_get_selected_addr(h,&first,&last))
  579 + if(!lib3270_get_selection_bounds(h,&first,&last))
537 580 return origin;
538 581  
539 582 flag &= 0x1f;
... ...