Break dependencies on pdf-form.c and pdf-js.c

Split functions out of pdf-form.c that shouldn't be there, and make
javascript initialization explicit.

1 files changed, 80 insertions, 0 deletions

diff --git a/source/pdf/pdf-appearance.c b/source/pdf/pdf-appearance.c
index 2d1a6b54..db11c32a 100644
--- a/source/pdf/pdf-appearance.c
+++ b/source/pdf/pdf-appearance.c
@@ -2207,3 +2207,83 @@ void pdf_set_signature_appearance(pdf_document *doc, pdf_annot *annot, char *nam
 		fz_rethrow(ctx);
 	}
 }
+
+void pdf_update_appearance(pdf_document *doc, pdf_annot *annot)
+{
+	pdf_obj *obj = annot->obj;
+	if (!pdf_dict_gets(obj, "AP") || pdf_obj_is_dirty(obj))
+	{
+		fz_annot_type type = pdf_annot_obj_type(obj);
+		switch (type)
+		{
+		case FZ_ANNOT_WIDGET:
+			switch (pdf_field_type(doc, obj))
+			{
+			case PDF_WIDGET_TYPE_TEXT:
+				{
+					#if 0
+					pdf_obj *formatting = pdf_dict_getp(obj, "AA/F");
+					if (formatting && doc->js)
+					{
+						/* Apply formatting */
+						pdf_js_event e;
+						fz_context *ctx = doc->ctx;
+
+						e.target = obj;
+						e.value = pdf_field_value(doc, obj);
+						fz_try(ctx)
+						{
+							pdf_js_setup_event(doc->js, &e);
+						}
+						fz_always(ctx)
+						{
+							fz_free(ctx, e.value);
+						}
+						fz_catch(ctx)
+						{
+							fz_rethrow(ctx);
+						}
+						execute_action(doc, obj, formatting);
+						/* Update appearance from JS event.value */
+						pdf_update_text_appearance(doc, obj, pdf_js_get_event(doc->js)->value);
+					}
+					else
+					#endif
+					{
+						/* Update appearance from field value */
+						pdf_update_text_appearance(doc, obj, NULL);
+					}
+				}
+				break;
+			case PDF_WIDGET_TYPE_PUSHBUTTON:
+				pdf_update_pushbutton_appearance(doc, obj);
+				break;
+			case PDF_WIDGET_TYPE_LISTBOX:
+			case PDF_WIDGET_TYPE_COMBOBOX:
+				/* Treating listbox and combobox identically for now,
+				 * and the behaviour is most appropriate for a combobox */
+				pdf_update_combobox_appearance(doc, obj);
+				break;
+			}
+			break;
+		case FZ_ANNOT_TEXT:
+			pdf_update_text_annot_appearance(doc, annot);
+			break;
+		case FZ_ANNOT_FREETEXT:
+			pdf_update_free_text_annot_appearance(doc, annot);
+			break;
+		case FZ_ANNOT_STRIKEOUT:
+		case FZ_ANNOT_UNDERLINE:
+		case FZ_ANNOT_HIGHLIGHT:
+			pdf_update_text_markup_appearance(doc, annot, type);
+			break;
+		case FZ_ANNOT_INK:
+			pdf_update_ink_appearance(doc, annot);
+			break;
+		default:
+			break;
+		}
+
+		pdf_clean_obj(obj);
+	}
+}