X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fview.hpp;h=12527b656d80943f2abb8d69039d33729d45adc0;hb=60d9b99a32e551cffd2b537d3e157d578a761c9b;hp=3e0a347142fb91b69b72301c4adeaa60e109e07b;hpb=cf124e472f9b5be7f85ecf708fe5290d6a6d1c9e;p=pulseview.git

diff --git a/pv/view/view.hpp b/pv/view/view.hpp
index 3e0a347..12527b6 100644
--- a/pv/view/view.hpp
+++ b/pv/view/view.hpp
@@ -34,6 +34,7 @@
 #include <QTimer>
 
 #include <pv/data/signaldata.hpp>
+#include <pv/util.hpp>
 
 #include "cursorpair.hpp"
 #include "flag.hpp"
@@ -65,10 +66,11 @@ private:
 	};
 
 private:
-	static const double MaxScale;
-	static const double MinScale;
+	static const pv::util::Timestamp MaxScale;
+	static const pv::util::Timestamp MinScale;
 
 	static const int MaxScrollValue;
+	static const int MaxViewAutoUpdateRate;
 
 	static const int ScaleUnits[3];
 
@@ -106,7 +108,7 @@ public:
 	 * Returns the time offset of the left edge of the view in
 	 * seconds.
 	 */
-	double offset() const;
+	const pv::util::Timestamp& offset() const;
 
 	/**
 	 * Returns the vertical scroll offset.
@@ -123,11 +125,21 @@ public:
 	 */
 	unsigned int tick_prefix() const;
 
+	/**
+	 * Returns the number of fractional digits shown for the time markings.
+	 */
+	unsigned int tick_precision() const;
+
 	/**
 	 * Returns period of the graticule time markings.
 	 */
 	double tick_period() const;
 
+	/**
+	 * Returns the unit of time currently used.
+	 */
+	util::TimeUnit time_unit() const;
+
 	/**
 	 * Returns the number of nested parents that this row item owner has.
 	 */
@@ -136,7 +148,7 @@ public:
 	void zoom(double steps);
 	void zoom(double steps, int offset);
 
-	void zoom_fit();
+	void zoom_fit(bool gui_state);
 
 	void zoom_one_to_one();
 
@@ -145,12 +157,18 @@ public:
 	 * @param scale The new view scale in seconds per pixel.
 	 * @param offset The view time offset in seconds.
 	 */
-	void set_scale_offset(double scale, double offset);
+	void set_scale_offset(double scale, const pv::util::Timestamp& offset);
 
 	std::set< std::shared_ptr<pv::data::SignalData> >
 		get_visible_data() const;
 
-	std::pair<double, double> get_time_extents() const;
+	std::pair<pv::util::Timestamp, pv::util::Timestamp> get_time_extents() const;
+
+	/**
+	 * Enables or disables sticky scrolling, i.e. the view always shows
+	 * the most recent samples when capturing data.
+	 */
+	void enable_sticky_scrolling(bool state);
 
 	/**
 	 * Returns true if cursors are displayed. false otherwise.
@@ -175,7 +193,7 @@ public:
 	/**
 	 * Adds a new flag at a specified time.
 	 */
-	void add_flag(double time);
+	void add_flag(const pv::util::Timestamp& time);
 
 	/**
 	 * Removes a flag from the list.
@@ -200,8 +218,12 @@ Q_SIGNALS:
 
 	void scale_offset_changed();
 
+	void sticky_scrolling_changed(bool state);
+
+	void always_zoom_to_fit_changed(bool state);
+
 private:
-	void get_scroll_layout(double &length, double &offset) const;
+	void get_scroll_layout(double &length, pv::util::Timestamp &offset) const;
 
 	/**
 	 * Simultaneously sets the zoom and offset.
@@ -248,6 +270,8 @@ private:
 			std::shared_ptr<Signal> > &signal_map,
 		std::set< std::shared_ptr<Trace> > &add_list);
 
+	void determine_time_unit();
+
 private:
 	bool eventFilter(QObject *object, QEvent *event);
 
@@ -267,8 +291,11 @@ private Q_SLOTS:
 	void v_scroll_value_changed();
 
 	void signals_changed();
+	void capture_state_updated(int state);
 	void data_updated();
 
+	void perform_delayed_view_update();
+
 	void process_sticky_events();
 
 	void on_hover_point_changed();
@@ -284,12 +311,17 @@ private:
 	double scale_;
 
 	/// The view time offset in seconds.
-	double offset_;
+	pv::util::Timestamp offset_;
 
 	bool updating_scroll_;
+	bool sticky_scrolling_;
+	bool always_zoom_to_fit_;
+	QTimer delayed_view_updater_;
 
 	double tick_period_;
 	unsigned int tick_prefix_;
+	unsigned int tick_precision_;
+	util::TimeUnit time_unit_;
 
 	bool show_cursors_;
 	std::shared_ptr<CursorPair> cursors_;