Implement expansion marker animation and its infrastructure

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

diff --git a/pv/views/trace/view.hpp b/pv/views/trace/view.hpp
index 8e78b6260e2143dcbb141ad2a5aa0f1b4836c822..7fe2bf720181a04b3523efbed7f6e93b78c116a2 100644 (file)
--- a/pv/views/trace/view.hpp
+++ b/pv/views/trace/view.hpp
@@ -28,6 +28,7 @@
 #include <vector>
 
 #include <QAbstractScrollArea>
+#include <QShortcut>
 #include <QSizeF>
 #include <QSplitter>
 
@@ -99,24 +100,28 @@ private:
        static const int ScaleUnits[3];
 
 public:
-       explicit View(Session &session, bool is_main_view=false, QWidget *parent = nullptr);
+       explicit View(Session &session, bool is_main_view=false, QMainWindow *parent = nullptr);
 
        ~View();
 
+       virtual ViewType get_type() const;
+
        /**
         * Resets the view to its default state after construction. It does however
         * not reset the signal bases or any other connections with the session.
         */
        virtual void reset_view_state();
 
-       Session& session();
-       const Session& session() const;
+       Session& session();  // This method is needed for TraceTreeItemOwner, not ViewBase
+       const Session& session() const;  // This method is needed for TraceTreeItemOwner, not ViewBase
 
        /**
         * Returns the signals contained in this view.
         */
        unordered_set< shared_ptr<Signal> > signals() const;
 
+       shared_ptr<Signal> get_signal_by_signalbase(shared_ptr<data::SignalBase> base) const;
+
        virtual void clear_signals();
 
        void add_signal(const shared_ptr<Signal> signal);
@@ -129,6 +134,8 @@ public:
        virtual void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
 #endif
 
+       shared_ptr<Signal> get_signal_under_mouse_cursor() const;
+
        /**
         * Returns the view of the owner.
         */
@@ -140,9 +147,10 @@ public:
        virtual const View* view() const;
 
        Viewport* viewport();
-
        const Viewport* viewport() const;
 
+       const Ruler* ruler() const;
+
        virtual void save_settings(QSettings &settings) const;
 
        virtual void restore_settings(QSettings &settings);
@@ -169,10 +177,12 @@ public:
         */
        const pv::util::Timestamp& ruler_offset() const;
 
-       void set_zero_position(pv::util::Timestamp& position);
+       void set_zero_position(const pv::util::Timestamp& position);
 
        void reset_zero_position();
 
+       pv::util::Timestamp zero_offset() const;
+
        /**
         * Returns the vertical scroll offset.
         */
@@ -183,6 +193,16 @@ public:
         */
        void set_v_offset(int offset);
 
+       /**
+        * Sets the visual h-offset.
+        */
+       void set_h_offset(int offset);
+
+       /**
+        * Gets the length of the horizontal scrollbar.
+        */
+       int get_h_scrollbar_maximum() const;
+
        /**
         * Returns the SI prefix to apply to the graticule time markings.
         */
@@ -243,27 +263,11 @@ public:
 
        pair<pv::util::Timestamp, pv::util::Timestamp> get_time_extents() const;
 
-       /**
-        * Enables or disables colored trace backgrounds. If they're not
-        * colored then they will use alternating colors.
-        */
-       void enable_colored_bg(bool state);
-
        /**
         * Returns true if the trace background should be drawn with a colored background.
         */
        bool colored_bg() const;
 
-       /**
-        * Enable or disable showing sampling points.
-        */
-       void enable_show_sampling_points(bool state);
-
-       /**
-        * Enable or disable showing the analog minor grid.
-        */
-       void enable_show_analog_minor_grid(bool state);
-
        /**
         * Returns true if cursors are displayed. false otherwise.
         */
@@ -274,6 +278,11 @@ public:
         */
        void show_cursors(bool show = true);
 
+       /**
+        * Sets the cursors to the given offsets. You will still have to call show_cursors separately.
+        */
+       void set_cursors(pv::util::Timestamp& first, pv::util::Timestamp& second);
+
        /**
         * Moves the cursors to a convenient position in the view.
         */
@@ -287,7 +296,7 @@ public:
        /**
         * Adds a new flag at a specified time.
         */
-       void add_flag(const pv::util::Timestamp& time);
+       shared_ptr<Flag> add_flag(const pv::util::Timestamp& time);
 
        /**
         * Removes a flag from the list.
@@ -300,6 +309,16 @@ public:
        vector< shared_ptr<Flag> > flags() const;
 
        const QPoint& hover_point() const;
+       const QWidget* hover_widget() const;
+
+       /**
+        * Determines the closest level change (i.e. edge) to a given point, which
+        * is useful for e.g. the "snap to edge" functionality.
+        *
+        * @param p The current position of the mouse cursor
+        * @return The sample number of the nearest level change or -1 if none
+        */
+       int64_t get_nearest_level_change(const QPoint &p);
 
        void restack_all_trace_tree_items();
 
@@ -308,7 +327,7 @@ public:
        void on_setting_changed(const QString &key, const QVariant &value);
 
 Q_SIGNALS:
-       void hover_point_changed(const QPoint &hp);
+       void hover_point_changed(const QWidget* widget, const QPoint &hp);
 
        void selection_changed();
 
@@ -407,10 +426,14 @@ public:
        void extents_changed(bool horz, bool vert);
 
 private Q_SLOTS:
-
        void on_signal_name_changed();
        void on_splitter_moved();
 
+       void on_zoom_in_shortcut_triggered();
+       void on_zoom_out_shortcut_triggered();
+       void on_scroll_to_start_shortcut_triggered();
+       void on_scroll_to_end_shortcut_triggered();
+
        void h_scroll_value_changed(int value);
        void v_scroll_value_changed();
 
@@ -475,6 +498,10 @@ private:
        Header *header_;
        QSplitter *splitter_;
 
+       QShortcut *zoom_in_shortcut_, *zoom_in_shortcut_2_;
+       QShortcut *zoom_out_shortcut_, *zoom_out_shortcut_2_;
+       QShortcut *home_shortcut_, *end_shortcut_;
+
        unordered_set< shared_ptr<Signal> > signals_;
 
 #ifdef ENABLE_DECODE
@@ -493,6 +520,8 @@ private:
        pv::util::Timestamp offset_;
        /// The ruler version of the time offset in seconds.
        pv::util::Timestamp ruler_offset_;
+       /// The offset of the zero point in seconds.
+       pv::util::Timestamp zero_offset_;
 
        bool updating_scroll_;
        bool settings_restored_;
@@ -516,7 +545,10 @@ private:
 
        vector< shared_ptr<TriggerMarker> > trigger_markers_;
 
+       QWidget* hover_widget_;
        QPoint hover_point_;
+       shared_ptr<Signal> signal_under_mouse_cursor_;
+       uint16_t snap_distance_;
 
        unsigned int sticky_events_;
        QTimer lazy_event_handler_;