*/
void set_v_offset(int offset);
+ /**
+ * Sets the visual h-offset.
+ */
+ void set_h_offset(int offset);
+
+ /**
+ * Gets the length of the horizontal scrollbar.
+ */
+ int get_h_scrollbar_maximum() const;
+
/**
* Returns the SI prefix to apply to the graticule time markings.
*/
/**
* Adds a new flag at a specified time.
*/
- void add_flag(const pv::util::Timestamp& time);
+ shared_ptr<Flag> add_flag(const pv::util::Timestamp& time);
/**
* Removes a flag from the list.