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Commit a4e0ef9b2f3c76edde28ae22e3b6ff78e6e6a497

Authored by perry.werneck@gmail.com
1 parent 228b06a6
Exists in master and in 5 other branches develop, edit-header-bar, keypads, script-support, v5.2

Iniciando implementação de seleção acessível

Showing 7 changed files with 165 additions and 24 deletions   Show diff stats
src/gtk/actions.c
  Diff comments   View file @a4e0ef9
... ... @@ -307,7 +307,7 @@ static void action_select_field(GtkAction *action, GtkWidget *widget)
307 307  
308 308 static void action_select_none(GtkAction *action, GtkWidget *widget)
309 309 {
310   - lib3270_unselect(v3270_get_session(widget));
  310 + v3270_unselect(widget);
311 311 }
312 312  
313 313 static void action_select_last(GtkAction *action, GtkWidget *widget)
... ...
src/gtk/print.c
  Diff comments   View file @a4e0ef9
... ... @@ -501,7 +501,7 @@ static gchar * enum_to_string(GType type, guint enum_value)
501 501  
502 502 trace("Action %s activated on widget %p",gtk_action_get_name(action),widget);
503 503  
504   - if(lib3270_get_selected_addr(info->session,&start,&end))
  504 + if(!lib3270_get_selection_bounds(info->session,&start,&end))
505 505 {
506 506 g_warning("Can't get selected addresses for action %s",gtk_action_get_name(action));
507 507 g_object_unref(print);
... ...
src/gtk/v3270/accessible.c
  Diff comments   View file @a4e0ef9
... ... @@ -431,6 +431,40 @@ static gboolean v3270_set_caret_offset(AtkText *text, gint offset)
431 431 return TRUE;
432 432 }
433 433  
  434 +static gboolean v3270_accessible_remove_selection(AtkText *text, gint selection_num)
  435 +{
  436 + GtkWidget * widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
  437 +
  438 + if (widget == NULL || selection_num != 0)
  439 + return FALSE;
  440 +
  441 + v3270_unselect(widget);
  442 +
  443 + return TRUE;
  444 +}
  445 +
  446 +static gint v3270_accessible_get_n_selections (AtkText *text)
  447 +{
  448 + GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
  449 +
  450 + if(!widget)
  451 + return 0;
  452 +
  453 + return v3270_get_selection_bounds(widget, NULL, NULL) ? 1 : 0;
  454 +}
  455 +
  456 +static gchar * v3270_accessible_get_selection (AtkText *atk_text, gint selection_num, gint *start_pos, gint *end_pos)
  457 +{
  458 + GtkWidget *widget = gtk_accessible_get_widget(GTK_ACCESSIBLE (atk_text));
  459 +
  460 + if (widget == NULL ||selection_num != 0)
  461 + return NULL;
  462 +
  463 + if(v3270_get_selection_bounds(widget, start_pos, end_pos))
  464 + return v3270_get_region(widget, *start_pos, *end_pos, FALSE);
  465 +
  466 + return NULL;
  467 +}
434 468 static void atk_text_interface_init(AtkTextIface *iface)
435 469 {
436 470 iface->get_text = v3270_accessible_get_text;
... ... @@ -444,14 +478,18 @@ static void atk_text_interface_init(AtkTextIface *iface)
444 478  
445 479 iface->get_character_extents = v3270_accessible_get_character_extents;
446 480 iface->get_offset_at_point = v3270_accessible_get_offset_at_point;
  481 + iface->remove_selection = v3270_accessible_remove_selection;
  482 +
  483 + iface->get_n_selections = v3270_accessible_get_n_selections;
  484 + iface->get_selection = v3270_accessible_get_selection;
447 485  
448 486 /*
  487 +http://git.gnome.org/browse/gtk+/tree/gtk/a11y/gtklabelaccessible.c
  488 +
449 489 iface->get_text_before_offset = gtk_label_accessible_get_text_before_offset;
450 490  
451 491 iface->get_text_after_offset = gtk_label_accessible_get_text_after_offset;
452 492  
453   - iface->get_n_selections = gtk_label_accessible_get_n_selections;
454   - iface->get_selection = gtk_label_accessible_get_selection;
455 493 iface->add_selection = gtk_label_accessible_add_selection;
456 494 iface->remove_selection = gtk_label_accessible_remove_selection;
457 495 iface->set_selection = gtk_label_accessible_set_selection;
... ... @@ -461,14 +499,12 @@ static void atk_text_interface_init(AtkTextIface *iface)
461 499 */
462 500 }
463 501  
464   -
465 502 static void v3270_accessible_init(v3270Accessible *widget)
466 503 {
467   - AtkObject *obj = ATK_OBJECT(widget);
468   - obj->role = ATK_ROLE_TEXT;
  504 + AtkObject *obj = ATK_OBJECT(widget);
  505 + obj->role = ATK_ROLE_TEXT;
469 506 }
470 507  
471   -
472 508 void v3270_accessible_get_extents(AtkComponent *component, gint *x, gint *y,gint *width,gint *height, AtkCoordType coord_type)
473 509 {
474 510 GtkWidget *widget = gtk_accessible_get_widget(GTK_ACCESSIBLE (component));
... ... @@ -546,18 +582,33 @@ static gboolean v3270_accessible_grab_focus(AtkComponent *component)
546 582 return TRUE;
547 583 }
548 584  
  585 +static AtkLayer v3270_accessible_get_layer (AtkComponent *component)
  586 +{
  587 + return ATK_LAYER_WIDGET;
  588 +}
  589 +
  590 +static gboolean v3270_accessible_set_size(AtkComponent *component, gint width, gint height)
  591 +{
  592 + GtkWidget *widget = gtk_accessible_get_widget(GTK_ACCESSIBLE (component));
  593 +
  594 + if (widget == NULL)
  595 + return FALSE;
  596 +
  597 + gtk_widget_set_size_request(widget, width, height);
  598 + return TRUE;
  599 +}
549 600  
550 601 static void atk_component_interface_init(AtkComponentIface *iface)
551 602 {
552 603 iface->get_extents = v3270_accessible_get_extents;
553 604 iface->get_size = v3270_accessible_get_size;
554 605 iface->grab_focus = v3270_accessible_grab_focus;
  606 + iface->get_layer = v3270_accessible_get_layer;
  607 + iface->set_size = v3270_accessible_set_size;
555 608  
556 609 /*
557   - iface->get_layer = gtk_widget_accessible_get_layer;
558 610 iface->set_extents = gtk_widget_accessible_set_extents;
559 611 iface->set_position = gtk_widget_accessible_set_position;
560   - iface->set_size = gtk_widget_accessible_set_size;
561 612 */
562 613 }
563 614  
... ...
src/gtk/v3270/clipboard.c
  Diff comments   View file @a4e0ef9
... ... @@ -438,3 +438,33 @@ void v3270_paste(GtkWidget *widget)
438 438 gtk_clipboard_request_text(gtk_widget_get_clipboard(widget,GDK_SELECTION_CLIPBOARD),(GtkClipboardTextReceivedFunc) text_received,(gpointer) widget);
439 439 }
440 440  
  441 +void v3270_unselect(GtkWidget *widget)
  442 +{
  443 + lib3270_unselect(v3270_get_session(widget));
  444 +}
  445 +
  446 +gboolean v3270_get_selection_bounds(GtkWidget *widget, gint *start, gint *end)
  447 +{
  448 + g_return_val_if_fail(GTK_IS_V3270(widget),FALSE);
  449 + return lib3270_get_selection_bounds(GTK_V3270(widget)->host,start,end) == 0 ? FALSE : TRUE;
  450 +}
  451 +
  452 +gchar * v3270_get_region(GtkWidget *widget, gint start_pos, gint end_pos, gboolean all)
  453 +{
  454 + char * str;
  455 + gchar * utftext;
  456 +
  457 + g_return_val_if_fail(GTK_IS_V3270(widget),NULL);
  458 +
  459 + str = lib3270_get_region(GTK_V3270(widget)->host,start_pos,end_pos,all);
  460 + if(!str)
  461 + return NULL;
  462 +
  463 + utftext = g_convert(str, -1, "UTF-8", lib3270_get_charset(GTK_V3270(widget)->host), NULL, NULL, NULL);
  464 +
  465 + free(str);
  466 +
  467 + return utftext;
  468 +}
  469 +
  470 +
... ...
src/gtk/v3270/v3270.h
  Diff comments   View file @a4e0ef9
... ... @@ -156,7 +156,11 @@
156 156 const gchar * v3270_get_selected_text(GtkWidget *widget);
157 157 const gchar * v3270_get_copy(GtkWidget *widget);
158 158 gchar * v3270_get_text(GtkWidget *widget,int offset, int len);
  159 + gchar * v3270_get_region(GtkWidget *widget, gint start_pos, gint end_pos, gboolean all);
159 160  
  161 + // Cut & Paste
  162 + gboolean v3270_get_selection_bounds(GtkWidget *widget, gint *start, gint *end);
  163 + void v3270_unselect(GtkWidget *widget);
160 164 void v3270_paste(GtkWidget *widget);
161 165 void v3270_paste_string(GtkWidget *widget, const gchar *text, const gchar *encoding);
162 166  
... ...
src/include/lib3270/selection.h
  Diff comments   View file @a4e0ef9
... ... @@ -101,16 +101,16 @@
101 101 LIB3270_EXPORT int lib3270_drag_selection(H3270 *h, unsigned char flag, int origin, int baddr);
102 102  
103 103 /**
104   - * Get addresses of selected area.
  104 + * Gets the selected range of characters in the screen
105 105 *
106 106 * @param h Session handle.
107   - * @param begin Pointer to the begin value.
108   - * @param end Pointer to the end value.
  107 + * @param start return location for start of selection, as a character offset.
  108 + * @param end return location for end of selection, as a character offset.
109 109 *
110   - * @return 0 if the selected area was get, non zero if unselected or unavailable.
  110 + * @return Non 0 if selection is non-empty
111 111 *
112 112 */
113   - LIB3270_EXPORT int lib3270_get_selected_addr(H3270 *hSession, int *begin, int *end);
  113 + LIB3270_EXPORT int lib3270_get_selection_bounds(H3270 *hSession, int *start, int *end);
114 114  
115 115 /**
116 116 * Get bitmasked flag for the current selection.
... ... @@ -124,4 +124,17 @@
124 124 */
125 125 LIB3270_EXPORT unsigned char lib3270_get_selection_flags(H3270 *h, int baddr);
126 126  
  127 + /**
  128 + * Get a string from required region.
  129 + *
  130 + * @param h Session handle.
  131 + * @param start_pos First char to get.
  132 + * @param end_pos Last char to get.
  133 + * @param all zero to get only selected chars.
  134 + *
  135 + * @return String with selected region (release it with free()
  136 + *
  137 + */
  138 + LIB3270_EXPORT char * lib3270_get_region(H3270 *h, int start_pos, int end_pos, unsigned char all);
  139 +
127 140 #endif // LIB3270_SELECTION_H_INCLUDED
... ...
src/lib3270/selection.c
  Diff comments   View file @a4e0ef9
... ... @@ -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;
... ...