1 files changed, 12 insertions, 0 deletions
diff --git a/src/components/channeltabswitcherhandy.hpp b/src/components/channeltabswitcherhandy.hpp
index 41c9c92..37a71ee 100644
--- a/src/components/channeltabswitcherhandy.hpp
+++ b/src/components/channeltabswitcherhandy.hpp
@@ -22,11 +22,16 @@ public:
     TabsState GetTabsState();
     void UseTabsState(const TabsState &state);
 
+    void GoBackOnCurrent();
+    void GoForwardOnCurrent();
+
 private:
     void CheckUnread(Snowflake id);
     void ClearPage(HdyTabPage *page);
     void OnPageIconLoad(HdyTabPage *page, const Glib::RefPtr<Gdk::Pixbuf> &pb);
     void CheckPageIcon(HdyTabPage *page, const ChannelData &data);
+    void AppendPageHistory(HdyTabPage *page, Snowflake channel);
+    void AdvanceOnCurrent(size_t by);
 
     HdyTabBar *m_tab_bar;
     Gtk::Widget *m_tab_bar_wrapped;
@@ -38,6 +43,13 @@ private:
     // need to hold a reference to the pixbuf data
     std::unordered_map<HdyTabPage *, Glib::RefPtr<Gdk::Pixbuf>> m_page_icons;
 
+    struct PageHistory {
+        std::vector<Snowflake> Visited;
+        size_t CurrentVisitedIndex;
+    };
+
+    std::unordered_map<HdyTabPage *, PageHistory> m_page_history;
+
     friend void selected_page_notify_cb(HdyTabView *, GParamSpec *, ChannelTabSwitcherHandy *);
     friend gboolean close_page_cb(HdyTabView *, HdyTabPage *, ChannelTabSwitcherHandy *);