X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fview.hpp;h=ff7795c5a68dbd55b92204d7236817e2dce35182;hb=8a463dbc1da0a229a726c1d0f278d361d871cfe1;hp=3e0a347142fb91b69b72301c4adeaa60e109e07b;hpb=cf124e472f9b5be7f85ecf708fe5290d6a6d1c9e;p=pulseview.git

diff --git a/pv/view/view.hpp b/pv/view/view.hpp
index 3e0a3471..ff7795c5 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"
@@ -69,6 +70,7 @@ private:
 	static const double MinScale;
 
 	static const int MaxScrollValue;
+	static const int MaxViewAutoUpdateRate;
 
 	static const int ScaleUnits[3];
 
@@ -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();
 
@@ -152,6 +164,12 @@ public:
 
 	std::pair<double, double> 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.
 	 */
@@ -200,6 +218,10 @@ 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;
 
@@ -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();
@@ -287,9 +314,14 @@ private:
 	double 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_;