Added search flags

app/src/main/java/eu/faircode/email/BoundaryCallbackMessages.java

@@ -631,13 +631,21 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                     with_attachments);
         }
 
-        String getTitle() {
+        String getTitle(Context context) {
-            return query +
+            List<String> flags = new ArrayList<>();
-                    (with_unseen ? " ?" : "") +
+            if (with_unseen)
-                    (with_flagged ? " ★" : "") +
+                flags.add(context.getString(R.string.title_search_flag_unseen));
-                    (with_hidden ? " ∅" : "") +
+            if (with_flagged)
-                    (with_encrypted ? " ✗" : "") +
+                flags.add(context.getString(R.string.title_search_flag_flagged));
-                    (with_attachments ? " &" : "");
+            if (with_hidden)
+                flags.add(context.getString(R.string.title_search_flag_hidden));
+            if (with_encrypted)
+                flags.add(context.getString(R.string.title_search_flag_encrypted));
+            if (with_attachments)
+                flags.add(context.getString(R.string.title_search_flag_attachments));
+            return (query == null ? "" : query)
+                    + (flags.size() > 0 ? " +" : "")
+                    + TextUtils.join(",", flags);
         }
 
         @Override

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -3080,7 +3080,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                 break;
 
             case SEARCH:
-                setSubtitle(criteria.getTitle());
+                setSubtitle(criteria.getTitle(getContext()));
                 break;
         }
 

app/src/main/res/values/strings.xml

@@ -916,6 +916,12 @@
     <string name="title_search_with_hidden">Hidden (on device only)</string>
     <string name="title_search_with_encrypted">Encrypted (on device only)</string>
     <string name="title_search_with_attachments">With attachments (on device only)</string>
+    <string name="title_search_flag_unseen">unread</string>
+    <string name="title_search_flag_flagged">starred</string>
+    <string name="title_search_flag_hidden">hidden</string>
+    <string name="title_search_flag_encrypted">encrypted</string>
+    <string name="title_search_flag_attachments">attachments</string>
+
     <string name="title_search_hint">
         Searching will initially look at messages stored on your device.
         To search the server too, tap on the "search again" button.