X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=83a6fe2d2a4d318288f084920e07f5c3c963e25a;hp=0413b3d79820c6174aa421d4d89c57d80c58c4cb;hb=f9abf97e78bc4825d80926b0ebc6cbaef40768b1;hpb=17c0f398438df75dc5547d630e7d334e5de3c66a

diff --git a/pv/view/view.h b/pv/view/view.h
index 0413b3d7..83a6fe2d 100644
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
  *
  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
  *
@@ -18,20 +18,31 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PV_VIEW_VIEW_H
-#define PV_VIEW_VIEW_H
+#ifndef PULSEVIEW_PV_VIEW_VIEW_H
+#define PULSEVIEW_PV_VIEW_VIEW_H
 
 #include <stdint.h>
 
+#include <memory>
+#include <set>
+#include <vector>
+
 #include <QAbstractScrollArea>
+#include <QSizeF>
 
-class SigSession;
+#include <pv/data/signaldata.h>
+
+#include "cursorpair.h"
 
 namespace pv {
+
+class SigSession;
+
 namespace view {
 
 class Header;
 class Ruler;
+class Trace;
 class Viewport;
 
 class View : public QAbstractScrollArea {
@@ -41,40 +52,138 @@ private:
 	static const double MaxScale;
 	static const double MinScale;
 
-	static const int LabelMarginWidth;
-	static const int RulerHeight;
+	static const int MaxScrollValue;
 
 public:
 	static const int SignalHeight;
+	static const int SignalMargin;
+	static const int SignalSnapGridSize;
+
+	static const QColor CursorAreaColour;
+
+	static const QSizeF LabelPadding;
 
 public:
 	explicit View(SigSession &session, QWidget *parent = 0);
 
 	SigSession& session();
+	const SigSession& session() const;
 
+	/**
+	 * Returns the view time scale in seconds per pixel.
+	 */
 	double scale() const;
+
+	/**
+	 * Returns the time offset of the left edge of the view in
+	 * seconds.
+	 */
 	double offset() const;
 	int v_offset() const;
 
 	void zoom(double steps);
 	void zoom(double steps, int offset);
 
+	void zoom_fit();
+
+	void zoom_one_to_one();
+
+	/**
+	 * Sets the scale and offset.
+	 * @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);
 
+	std::vector< std::shared_ptr<Trace> > get_traces() const;
+
+	std::list<std::weak_ptr<SelectableItem> > selected_items() const;
+
+	std::set< std::shared_ptr<pv::data::SignalData> >
+		get_visible_data() const;
+
+	std::pair<double, double> get_time_extents() const;
+
+	/**
+	 * Returns true if cursors are displayed. false otherwise.
+	 */
+	bool cursors_shown() const;
+
+	/**
+	 * Shows or hides the cursors.
+	 */
+	void show_cursors(bool show = true);
+
+	/**
+	 * Moves the cursors to a convenient position in the view.
+	 */
+	void centre_cursors();
+
+	/**
+	 * Returns a reference to the pair of cursors.
+	 */
+	CursorPair& cursors();
+
+	/**
+	 * Returns a reference to the pair of cursors.
+	 */
+	const CursorPair& cursors() const;
+
+	const QPoint& hover_point() const;
+
+	void normalize_layout();
+
+	void update_viewport();
+
+signals:
+	void hover_point_changed();
+
+	void signals_moved();
+
+	void selection_changed();
+
+	void scale_offset_changed();
+
 private:
+	void get_scroll_layout(double &length, double &offset) const;
+
+	/**
+	 * Simultaneously sets the zoom and offset.
+	 * @param scale The scale to set the view to in seconds per pixel. This
+	 * value is clamped between MinScale and MaxScale.
+	 * @param offset The offset of the left edge of the view in seconds.
+	 */
+	void set_zoom(double scale, int offset);
+
 	void update_scroll();
 
+	void update_layout();
+
+	static bool compare_trace_v_offsets(
+		const std::shared_ptr<pv::view::Trace> &a,
+		const std::shared_ptr<pv::view::Trace> &b);
+
 private:
+	bool eventFilter(QObject *object, QEvent *event);
+
 	bool viewportEvent(QEvent *e);
 
 	void resizeEvent(QResizeEvent *e);
 
 private slots:
+
 	void h_scroll_value_changed(int value);
 	void v_scroll_value_changed(int value);
 
+	void signals_changed();
 	void data_updated();
 
+	void marker_time_changed();
+
+	void on_signals_moved();
+
+	void on_geometry_updated();
+
 private:
 	SigSession &_session;
 
@@ -82,17 +191,22 @@ private:
 	Ruler *_ruler;
 	Header *_header;
 
-	uint64_t _data_length;
-
+	/// The view time scale in seconds per pixel.
 	double _scale;
+
+	/// The view time offset in seconds.
 	double _offset;
 
 	int _v_offset;
+	bool _updating_scroll;
+
+	bool _show_cursors;
+	CursorPair _cursors;
 
-	friend class Viewport;
+	QPoint _hover_point;
 };
 
 } // namespace view
 } // namespace pv
 
-#endif // PV_VIEW_VIEW_H
+#endif // PULSEVIEW_PV_VIEW_VIEW_H