diff options
| -rw-r--r-- | pdf/pdf_form.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/pdf/pdf_form.c b/pdf/pdf_form.c index 511c0e66..675cefda 100644 --- a/pdf/pdf_form.c +++ b/pdf/pdf_form.c @@ -1317,6 +1317,51 @@ void pdf_update_appearance(pdf_document *doc, pdf_obj *obj) } } +static void reset_field(pdf_document *doc, pdf_obj *obj) +{ + fz_context *ctx = doc->ctx; + + switch (get_field_type(doc, obj)) + { + case FZ_WIDGET_TYPE_RADIOBUTTON: + case FZ_WIDGET_TYPE_CHECKBOX: + { + pdf_obj *name = NULL; + + fz_var(name); + fz_try(ctx) + { + name = fz_new_name(ctx, "Off"); + pdf_dict_puts(obj, "AS", name); + } + fz_always(ctx) + { + pdf_drop_obj(name); + } + fz_catch(ctx) + { + fz_rethrow(ctx); + } + } + break; + default: + { + pdf_obj *def_val = pdf_dict_gets(obj, "DV"); + + if (def_val) + { + pdf_dict_puts(obj, "V", def_val); + } + else + { + pdf_dict_dels(obj, "V"); + } + + pdf_field_mark_dirty(ctx, obj); + } + } +} + static void execute_action(pdf_document *doc, pdf_obj *obj) { fz_context *ctx = doc->ctx; @@ -1348,6 +1393,40 @@ static void execute_action(pdf_document *doc, pdf_obj *obj) } } } + else if (!strcmp(type, "ResetForm")) + { + int flags = pdf_to_int(pdf_dict_gets(a, "Flags")); + pdf_obj *affected_fields = pdf_dict_gets(a, "Fields"); + pdf_obj *all_fields = pdf_dict_getp(doc->trailer, "Root/AcroForm/Fields"); + int i, n = pdf_array_len(all_fields); + + for (i = 0; i < n; i++) + { + pdf_obj *field = pdf_array_get(all_fields, i); + char *name = pdf_to_str_buf(pdf_dict_gets(field, "T")); + int j, m = pdf_array_len(affected_fields); + int found = 0; + + for (j = 0; j < m && !found; j++) + { + pdf_obj *tfield = pdf_array_get(affected_fields, j); + char *tname; + + /* Elements if the array are either indirect references + * to fields or field names. */ + tname = pdf_to_str_buf(pdf_is_string(tfield) ? tfield : pdf_dict_gets(tfield, "T")); + + if (!strcmp(tname, name)) + found = 1; + } + + if (flags & 1) + found = !found; + + if (found) + reset_field(doc, field); + } + } a = pdf_dict_gets(a, "Next"); } |