View: Removed selected_items

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

diff --git a/pv/view/view.h b/pv/view/view.h
index 13dd766ce788d1aa5a536a837654bb7066f081c8..cc06f80dae12ac19dccdb7f00ca0c7971a1d7368 100644 (file)
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -23,11 +23,17 @@
 
 #include <stdint.h>
 
-#include <utility>
+#include <memory>
+#include <set>
+#include <vector>
 
 #include <QAbstractScrollArea>
+#include <QSizeF>
 
-#include "cursor.h"
+#include <pv/data/signaldata.h>
+
+#include "cursorpair.h"
+#include "rowitemowner.h"
 
 namespace pv {
 
@@ -35,31 +41,48 @@ class SigSession;
 
 namespace view {
 
+class CursorHeader;
 class Header;
 class Ruler;
 class Viewport;
 
-class View : public QAbstractScrollArea {
+class View : public QAbstractScrollArea, public RowItemOwner {
        Q_OBJECT
 
 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 of the owner.
+        */
+       virtual pv::view::View* view();
+
+       /**
+        * Returns the view of the owner.
+        */
+       virtual const pv::view::View* view() const;
+
+       Viewport* viewport();
+
+       const Viewport* viewport() const;
 
        /**
         * Returns the view time scale in seconds per pixel.
@@ -71,11 +94,15 @@ public:
         * seconds.
         */
        double offset() const;
-       int v_offset() const;
+       int owner_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.
@@ -83,6 +110,11 @@ public:
         */
        void set_scale_offset(double scale, double offset);
 
+       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.
         */
@@ -93,21 +125,68 @@ public:
         */
        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.
         */
-       std::pair<Cursor, Cursor>& cursors();
+       const CursorPair& cursors() const;
 
        const QPoint& hover_point() const;
 
-signals:
+       void normalize_layout();
+
+       void update_viewport();
+
+Q_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();
+
+       /**
+        * Satisifies RowItem functionality.
+        * @param p the QPainter to paint into.
+        * @param right the x-coordinate of the right edge of the header
+        *      area.
+        * @param hover true if the label is being hovered over by the mouse.
+        */
+       void paint_label(QPainter &p, int right, bool hover);
+
+       /**
+        * Computes the outline rectangle of a label.
+        * @param right the x-coordinate of the right edge of the header
+        *      area.
+        * @return Returns the rectangle of the signal label.
+        */
+       QRectF label_rect(int right);
+
 private:
        bool eventFilter(QObject *object, QEvent *event);
 
@@ -115,22 +194,30 @@ private:
 
        void resizeEvent(QResizeEvent *e);
 
-private slots:
+private Q_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();
+
+       void on_hover_point_changed();
+
 private:
        SigSession &_session;
 
        Viewport *_viewport;
        Ruler *_ruler;
+       CursorHeader *_cursorheader;
        Header *_header;
 
-       uint64_t _data_length;
-
        /// The view time scale in seconds per pixel.
        double _scale;
 
@@ -138,9 +225,10 @@ private:
        double _offset;
 
        int _v_offset;
+       bool _updating_scroll;
 
        bool _show_cursors;
-       std::pair<Cursor, Cursor> _cursors;
+       CursorPair _cursors;
 
        QPoint _hover_point;
 };