X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=f196cfe07d9c3bea5d97e7bf972d6aef9008baa0;hp=c87be36913e368c68bbd334a8d304b99c93a9849;hb=ca4ec3eab886e62c0f9d0cc91636383a74ad5d7b;hpb=640d091b45b196cc586fbc6a7bec71c5c7d75544 diff --git a/pv/view/view.h b/pv/view/view.h index c87be369..f196cfe0 100644 --- a/pv/view/view.h +++ b/pv/view/view.h @@ -23,8 +23,12 @@ #include +#include + #include +#include "cursor.h" + namespace pv { class SigSession; @@ -50,36 +54,76 @@ private: public: static const int SignalHeight; + static const QColor CursorAreaColour; + public: explicit View(SigSession &session, QWidget *parent = 0); SigSession& session(); + /** + * Returns the view time scale in seconds per pixel. + */ double scale() const; + + /** + * Returns the time offset of the left edge of the view in + * seconds. + */ double offset() const; int v_offset() const; void zoom(double steps); void zoom(double steps, int offset); + /** + * Sets the scale and offset. + * @param scale The new view scale in seconds per pixel. + * @param offset The view time offset in seconds. + */ void set_scale_offset(double scale, double offset); + /** + * Returns true if cursors are displayed. false otherwise. + */ + bool cursors_shown() const; + + /** + * Shows or hides the cursors. + */ + void show_cursors(bool show = true); + + /** + * Returns a reference to the pair of cursors. + */ + std::pair& cursors(); + + const QPoint& hover_point() const; + +signals: + void hover_point_changed(); + private: void get_scroll_layout(double &length, double &offset) const; void update_scroll(); private: + bool eventFilter(QObject *object, QEvent *event); + bool viewportEvent(QEvent *e); void resizeEvent(QResizeEvent *e); private slots: + void h_scroll_value_changed(int value); void v_scroll_value_changed(int value); void data_updated(); + void marker_time_changed(); + private: SigSession &_session; @@ -89,10 +133,18 @@ private: uint64_t _data_length; + /// The view time scale in seconds per pixel. double _scale; + + /// The view time offset in seconds. double _offset; int _v_offset; + + bool _show_cursors; + std::pair _cursors; + + QPoint _hover_point; }; } // namespace view