Replaced boost::shared_ptr with std::shared_ptr

[pulseview.git] / pv / view / view.h

diff --git a/pv/view/view.h b/pv/view/view.h
index 3c76c8ee6bd065364d679c7727f00f2c83908fee..83a6fe2d2a4d318288f084920e07f5c3c963e25a 100644 (file)
--- 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>
  *
@@ -18,18 +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 {
@@ -39,52 +52,161 @@ 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 zoom(double steps, int offset);
+       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;
 
        Viewport *_viewport;
+       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