[evince] pdf: Set the modified status of a document after a modification

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 5048cc7dbdd53c08d6ece43f3f35361e03334511
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Fri May 12 10:51:44 2017 -0300

    pdf: Set the modified status of a document after a modification
    
    A PDF can be modified by adding/editing/removing annotations
    or editing a form.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767611

 backend/pdf/ev-poppler.cc |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc
index 214094f..1b18ce1 100644
--- a/backend/pdf/ev-poppler.cc
+++ b/backend/pdf/ev-poppler.cc
@@ -265,6 +265,7 @@ pdf_document_save (EvDocument  *document,
        if (! retval)
                convert_error (poppler_error, error);
 
+       ev_document_set_modified (EV_DOCUMENT (document), FALSE);
        return retval;
 }
 
@@ -2568,6 +2569,7 @@ pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
        
        poppler_form_field_text_set_text (poppler_field, text);
        PDF_DOCUMENT (document)->forms_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document), TRUE);
 }
 
 static void
@@ -2583,6 +2585,7 @@ pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
        
        poppler_form_field_button_set_state (poppler_field, state);
        PDF_DOCUMENT (document)->forms_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document), TRUE);
 }
 
 static gboolean
@@ -2664,6 +2667,7 @@ pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
 
        poppler_form_field_choice_select_item (poppler_field, index);
        PDF_DOCUMENT (document)->forms_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document), TRUE);
 }
 
 static void
@@ -2679,6 +2683,7 @@ pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
 
        poppler_form_field_choice_toggle_item (poppler_field, index);
        PDF_DOCUMENT (document)->forms_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document), TRUE);
 }
 
 static void
@@ -2693,6 +2698,7 @@ pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
        
        poppler_form_field_choice_unselect_all (poppler_field);
        PDF_DOCUMENT (document)->forms_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document), TRUE);
 }
 
 static void
@@ -2708,6 +2714,7 @@ pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
        
        poppler_form_field_choice_set_text (poppler_field, text);
        PDF_DOCUMENT (document)->forms_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document), TRUE);
 }
 
 static gchar *
@@ -3194,6 +3201,7 @@ pdf_document_annotations_remove_annotation (EvDocumentAnnotations *document_anno
         }
 
         pdf_document->annots_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document_annotations), TRUE);
 }
 
 /* FIXME: this could be moved to poppler */
@@ -3397,6 +3405,7 @@ pdf_document_annotations_add_annotation (EvDocumentAnnotations *document_annotat
        }
 
        pdf_document->annots_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document_annotations), TRUE);
 }
 
 /* FIXME: We could probably add this to poppler */
@@ -3615,6 +3624,7 @@ pdf_document_annotations_save_annotation (EvDocumentAnnotations *document_annota
        }
 
        PDF_DOCUMENT (document_annotations)->annots_modified = TRUE;
+       ev_document_set_modified (EV_DOCUMENT (document_annotations), TRUE);
 }
 
 static void