View: Added set_v_offset

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

diff --git a/pv/view/view.hpp b/pv/view/view.hpp
index c6e585b7cbdd4cae86290b4e142395c908cb5fc9..74a5c3755c6fb4437ef8b9b815091d0cf2d0cbc8 100644 (file)
--- a/pv/view/view.hpp
+++ b/pv/view/view.hpp
@@ -23,6 +23,7 @@
 
 #include <stdint.h>
 
+#include <list>
 #include <memory>
 #include <set>
 #include <unordered_map>
@@ -35,11 +36,12 @@
 #include <pv/data/signaldata.hpp>
 
 #include "cursorpair.hpp"
+#include "flag.hpp"
 #include "rowitemowner.hpp"
 
 namespace pv {
 
-class SigSession;
+class Session;
 
 namespace view {
 
@@ -53,8 +55,8 @@ class View : public QAbstractScrollArea, public RowItemOwner {
 
 private:
        enum StickyEvents {
-               SelectableItemHExtentsChanged = 1,
-               SelectableItemVExtentsChanged = 2
+               RowItemHExtentsChanged = 1,
+               RowItemVExtentsChanged = 2
        };
 
 private:
@@ -63,16 +65,13 @@ private:
 
        static const int MaxScrollValue;
 
-public:
-       static const QColor CursorAreaColour;
-
-       static const QSizeF LabelPadding;
+       static const int ScaleUnits[3];
 
 public:
-       explicit View(SigSession &session, QWidget *parent = 0);
+       explicit View(Session &session, QWidget *parent = 0);
 
-       SigSession& session();
-       const SigSession& session() const;
+       Session& session();
+       const Session& session() const;
 
        /**
         * Returns the view of the owner.
@@ -88,6 +87,11 @@ public:
 
        const Viewport* viewport() const;
 
+       /**
+        * Gets a list of time markers.
+        */
+       std::vector< std::shared_ptr<TimeItem> > time_items() const;
+
        /**
         * Returns the view time scale in seconds per pixel.
         */
@@ -98,8 +102,27 @@ 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.
+        */
+       unsigned int tick_prefix() const;
+
+       /**
+        * Returns period of the graticule time markings.
+        */
+       double tick_period() const;
+
        /**
         * Returns the number of nested parents that this row item owner has.
         */
@@ -142,12 +165,22 @@ public:
        /**
         * Returns a reference to the pair of cursors.
         */
-       CursorPair& cursors();
+       std::shared_ptr<CursorPair> cursors() const;
 
        /**
-        * Returns a reference to the pair of cursors.
+        * Adds a new flag at a specified time.
+        */
+       void add_flag(double time);
+
+       /**
+        * Removes a flag from the list.
+        */
+       void remove_flag(std::shared_ptr<Flag> flag);
+
+       /**
+        * Gets the list of flags.
         */
-       const CursorPair& cursors() const;
+       std::vector< std::shared_ptr<Flag> > flags() const;
 
        const QPoint& hover_point() const;
 
@@ -158,8 +191,6 @@ public:
 Q_SIGNALS:
        void hover_point_changed();
 
-       void signals_moved();
-
        void selection_changed();
 
        void scale_offset_changed();
@@ -175,6 +206,12 @@ private:
         */
        void set_zoom(double scale, int offset);
 
+       /**
+        * Find a tick spacing and number formatting that does not cause
+        * the values to collide.
+        */
+       void calculate_tick_spacing();
+
        void update_scroll();
 
        void update_layout();
@@ -182,19 +219,17 @@ private:
        /**
         * Satisifies RowItem functionality.
         * @param p the QPainter to paint into.
-        * @param right the x-coordinate of the right edge of the header
-        *      area.
+        * @param rect the rectangle 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);
+       void paint_label(QPainter &p, const QRect &rect, bool hover);
 
        /**
         * Computes the outline rectangle of a label.
-        * @param right the x-coordinate of the right edge of the header
-        *      area.
+        * @param rect the rectangle of the header area.
         * @return Returns the rectangle of the signal label.
         */
-       QRectF label_rect(int right);
+       QRectF label_rect(const QRectF &rect);
 
        static bool add_channels_to_owner(
                const std::vector< std::shared_ptr<sigrok::Channel> > &channels,
@@ -215,32 +250,28 @@ private:
        void resizeEvent(QResizeEvent *e);
 
 public:
-       void appearance_changed(bool label, bool content);
+       void row_item_appearance_changed(bool label, bool content);
+       void time_item_appearance_changed(bool label, bool content);
 
        void extents_changed(bool horz, bool vert);
 
 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 marker_time_changed();
-
-       void on_signals_moved();
-
        void process_sticky_events();
 
        void on_hover_point_changed();
 
 private:
-       SigSession &session_;
+       Session &session_;
 
        Viewport *viewport_;
        Ruler *ruler_;
-       CursorHeader *cursorheader_;
        Header *header_;
 
        /// The view time scale in seconds per pixel.
@@ -249,11 +280,16 @@ private:
        /// The view time offset in seconds.
        double offset_;
 
-       int v_offset_;
        bool updating_scroll_;
 
+       double tick_period_;
+       unsigned int tick_prefix_;
+
        bool show_cursors_;
-       CursorPair cursors_;
+       std::shared_ptr<CursorPair> cursors_;
+
+       std::list< std::shared_ptr<Flag> > flags_;
+       char next_flag_text_;
 
        QPoint hover_point_;