X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.hpp;h=b29fb157dce383eec55535fcd187ecf104eaa9b7;hp=167f43de0b50f497bcd2191851669fb3825dad51;hb=c7b03d9daa9574bd633fbac2d5976716f58027f5;hpb=ccee92304f20d354ad4959f361d3d26eb5ea6270

diff --git a/pv/view/view.hpp b/pv/view/view.hpp
index 167f43de..b29fb157 100644
--- a/pv/view/view.hpp
+++ b/pv/view/view.hpp
@@ -18,8 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PULSEVIEW_PV_VIEW_VIEW_H
-#define PULSEVIEW_PV_VIEW_VIEW_H
+#ifndef PULSEVIEW_PV_VIEW_VIEW_HPP
+#define PULSEVIEW_PV_VIEW_VIEW_HPP
 
 #include <stdint.h>
 
@@ -39,6 +39,10 @@
 #include "flag.hpp"
 #include "rowitemowner.hpp"
 
+namespace sigrok {
+class ChannelGroup;
+}
+
 namespace pv {
 
 class Session;
@@ -48,6 +52,7 @@ namespace view {
 class CursorHeader;
 class Header;
 class Ruler;
+class Trace;
 class Viewport;
 
 class View : public QAbstractScrollArea, public RowItemOwner {
@@ -64,12 +69,10 @@ private:
 	static const double MinScale;
 
 	static const int MaxScrollValue;
+	static const int MaxViewAutoUpdateRate;
 
 	static const int ScaleUnits[3];
 
-public:
-	static const QSizeF LabelPadding;
-
 public:
 	explicit View(Session &session, QWidget *parent = 0);
 
@@ -105,8 +108,17 @@ public:
 	 * seconds.
 	 */
 	double offset() const;
+
+	/**
+	 * Returns the vertical scroll offset.
+	 */
 	int owner_visual_v_offset() const;
 
+	/**
+	 * Sets the visual v-offset.
+	 */
+	void set_v_offset(int offset);
+
 	/**
 	 * Returns the SI prefix to apply to the graticule time markings.
 	 */
@@ -141,6 +153,12 @@ 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.
 	 */
@@ -185,12 +203,12 @@ public:
 Q_SIGNALS:
 	void hover_point_changed();
 
-	void signals_moved();
-
 	void selection_changed();
 
 	void scale_offset_changed();
 
+	void sticky_scrolling_changed(bool state);
+
 private:
 	void get_scroll_layout(double &length, double &offset) const;
 
@@ -227,16 +245,17 @@ private:
 	 */
 	QRectF label_rect(const QRectF &rect);
 
-	static bool add_channels_to_owner(
+	RowItemOwner* find_prevalent_trace_group(
+		const std::shared_ptr<sigrok::ChannelGroup> &group,
+		const std::unordered_map<std::shared_ptr<sigrok::Channel>,
+			std::shared_ptr<Signal> > &signal_map);
+
+	static std::vector< std::shared_ptr<Trace> >
+		extract_new_traces_for_channels(
 		const std::vector< std::shared_ptr<sigrok::Channel> > &channels,
-		RowItemOwner *owner, int &offset,
-		std::unordered_map<std::shared_ptr<sigrok::Channel>,
+		const std::unordered_map<std::shared_ptr<sigrok::Channel>,
 			std::shared_ptr<Signal> > &signal_map,
-		std::function<bool (std::shared_ptr<RowItem>)> filter_func =
-			std::function<bool (std::shared_ptr<RowItem>)>());
-
-	static void apply_offset(
-		std::shared_ptr<RowItem> row_item, int &offset);
+		std::set< std::shared_ptr<Trace> > &add_list);
 
 private:
 	bool eventFilter(QObject *object, QEvent *event);
@@ -254,12 +273,12 @@ public:
 private Q_SLOTS:
 
 	void h_scroll_value_changed(int value);
-	void v_scroll_value_changed(int value);
+	void v_scroll_value_changed();
 
 	void signals_changed();
 	void data_updated();
 
-	void on_signals_moved();
+	void perform_delayed_view_update();
 
 	void process_sticky_events();
 
@@ -278,8 +297,9 @@ private:
 	/// The view time offset in seconds.
 	double offset_;
 
-	int v_offset_;
 	bool updating_scroll_;
+	bool sticky_scrolling_;
+	QTimer delayed_view_updater_;
 
 	double tick_period_;
 	unsigned int tick_prefix_;
@@ -299,4 +319,4 @@ private:
 } // namespace view
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEW_VIEW_H
+#endif // PULSEVIEW_PV_VIEW_VIEW_HPP