1 files changed, 5 insertions, 1 deletions

diff --git a/src/history.h b/src/history.h
index 838ca9ef..7dad72df 100644
--- a/src/history.h
+++ b/src/history.h
@@ -39,6 +39,9 @@ struct Impl_RecentUrl {
     float        normScrollY;    /* normalized to document height */
     iGmResponse *cachedResponse; /* kept in memory for quicker back navigation */
     iGmDocument *cachedDoc;      /* cached copy of the presentation: layout and media (not serialized) */
+    struct {
+        uint8_t openedFromSidebar : 1;
+    } flags;
 };
 
 iDeclareType(MemInfo)
@@ -60,7 +63,7 @@ void        clear_History               (iHistory *);
 void        add_History                 (iHistory *, const iString *url);
 void        replace_History             (iHistory *, const iString *url);
 void        setCachedResponse_History   (iHistory *, const iGmResponse *response);
-void        setCachedDocument_History   (iHistory *, iGmDocument *doc);
+void        setCachedDocument_History   (iHistory *, iGmDocument *doc, iBool openedFromSidebar);
 iBool       goBack_History              (iHistory *);
 iBool       goForward_History           (iHistory *);
 iBool       preceding_History           (iHistory *d, iRecentUrl *recent_out);
@@ -72,6 +75,7 @@ iRecentUrl *findUrl_History             (iHistory *, const iString *url);
 void        clearCache_History                  (iHistory *);
 size_t      pruneLeastImportant_History         (iHistory *);
 size_t      pruneLeastImportantMemory_History   (iHistory *);
+void        invalidateTheme_History             (iHistory *); /* theme has changed, cached contents need updating */
 
 iBool       atLatest_History            (const iHistory *);
 iBool       atOldest_History            (const iHistory *);