Ruler: Factor out the calculation of the tick spacing

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

diff --git a/pv/view/view.hpp b/pv/view/view.hpp
index ed1c92633da5348384e6f4081f185448986656df..90a9b877cb04b164d5bedd8d19f1c244fd1cc848 100644 (file)
--- a/pv/view/view.hpp
+++ b/pv/view/view.hpp
@@ -216,12 +216,28 @@ Q_SIGNALS:
 
        void selection_changed();
 
 
        void selection_changed();
 

-       void scale_offset_changed();
+       /// Emitted when the offset changed.
+       void offset_changed();
+
+       /// Emitted when the scale changed.
+       void scale_changed();

 
        void sticky_scrolling_changed(bool state);
 
        void always_zoom_to_fit_changed(bool state);
 
 
        void sticky_scrolling_changed(bool state);
 
        void always_zoom_to_fit_changed(bool state);
 

+       /// Emitted when the tick_prefix changed.
+       void tick_prefix_changed();
+
+       /// Emitted when the tick_precision changed.
+       void tick_precision_changed();
+
+       /// Emitted when the tick_period changed.
+       void tick_period_changed();
+
+       /// Emitted when the time_unit changed.
+       void time_unit_changed();
+

 private:
        void get_scroll_layout(double &length, pv::util::Timestamp &offset) const;
 
 private:
        void get_scroll_layout(double &length, pv::util::Timestamp &offset) const;
 


@@ -272,7 +288,6 @@ private:
 
        void determine_time_unit();
 
 
        void determine_time_unit();
 

-private:

        bool eventFilter(QObject *object, QEvent *event);
 
        bool viewportEvent(QEvent *e);
        bool eventFilter(QObject *object, QEvent *event);
 
        bool viewportEvent(QEvent *e);


@@ -300,6 +315,42 @@ private Q_SLOTS:
 
        void on_hover_point_changed();
 
 
        void on_hover_point_changed();
 

+       /**
+        * Sets the 'offset_' member and emits the 'offset_changed'
+        * signal if needed.
+        */
+       void set_offset(const pv::util::Timestamp& offset);
+
+       /**
+        * Sets the 'scale_' member and emits the 'scale_changed'
+        * signal if needed.
+        */
+       void set_scale(double scale);
+
+       /**
+        * Sets the 'tick_prefix_' member and emits the 'tick_prefix_changed'
+        * signal if needed.
+        */
+       void set_tick_prefix(pv::util::SIPrefix tick_prefix);
+
+       /**
+        * Sets the 'tick_precision_' member and emits the 'tick_precision_changed'
+        * signal if needed.
+        */
+       void set_tick_precision(unsigned tick_precision);
+
+       /**
+        * Sets the 'tick_period_' member and emits the 'tick_period_changed'
+        * signal if needed.
+        */
+       void set_tick_period(double tick_period);
+
+       /**
+        * Sets the 'time_unit' member and emits the 'time_unit_changed'
+        * signal if needed.
+        */
+       void set_time_unit(pv::util::TimeUnit time_unit);
+

 private:
        Session &session_;
 
 private:
        Session &session_;