TraceView: Prevent decode traces from changing order

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

diff --git a/pv/views/trace/view.hpp b/pv/views/trace/view.hpp
index 7fe2bf720181a04b3523efbed7f6e93b78c116a2..bf8b64325feef171b3c7fb17b01dff461985284f 100644 (file)
--- a/pv/views/trace/view.hpp
+++ b/pv/views/trace/view.hpp
@@ -96,6 +96,7 @@ private:
        static const pv::util::Timestamp MinScale;
 
        static const int MaxScrollValue;
+       static const int ViewScrollMargin;
 
        static const int ScaleUnits[3];
 
@@ -149,6 +150,8 @@ public:
        Viewport* viewport();
        const Viewport* viewport() const;
 
+       QAbstractScrollArea* scrollarea() const;
+
        const Ruler* ruler() const;
 
        virtual void save_settings(QSettings &settings) const;
@@ -269,7 +272,7 @@ public:
        bool colored_bg() const;
 
        /**
-        * Returns true if cursors are displayed. false otherwise.
+        * Returns true if cursors are displayed, false otherwise.
         */
        bool cursors_shown() const;
 
@@ -279,14 +282,16 @@ public:
        void show_cursors(bool show = true);
 
        /**
-        * Sets the cursors to the given offsets. You will still have to call show_cursors separately.
+        * Sets the cursors to the given offsets.
+        * You 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.
+        * You still have to call show_cursors() separately.
         */
-       void centre_cursors();
+       void center_cursors();
 
        /**
         * Returns a reference to the pair of cursors.
@@ -437,6 +442,8 @@ private Q_SLOTS:
        void h_scroll_value_changed(int value);
        void v_scroll_value_changed();
 
+       void on_grab_ruler(int ruler_id);
+
        void signals_changed();
        void capture_state_updated(int state);
 
@@ -501,6 +508,8 @@ private:
        QShortcut *zoom_in_shortcut_, *zoom_in_shortcut_2_;
        QShortcut *zoom_out_shortcut_, *zoom_out_shortcut_2_;
        QShortcut *home_shortcut_, *end_shortcut_;
+       QShortcut *grab_ruler_left_shortcut_, *grab_ruler_right_shortcut_;
+       QShortcut *cancel_grab_shortcut_;
 
        unordered_set< shared_ptr<Signal> > signals_;
 
@@ -522,6 +531,8 @@ private:
        pv::util::Timestamp ruler_offset_;
        /// The offset of the zero point in seconds.
        pv::util::Timestamp zero_offset_;
+       /// Shows whether the user set a custom zero offset that we should keep
+       bool custom_zero_offset_set_;
 
        bool updating_scroll_;
        bool settings_restored_;
@@ -546,6 +557,7 @@ private:
        vector< shared_ptr<TriggerMarker> > trigger_markers_;
 
        QWidget* hover_widget_;
+       TimeMarker* grabbed_widget_;
        QPoint hover_point_;
        shared_ptr<Signal> signal_under_mouse_cursor_;
        uint16_t snap_distance_;