X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=c25ed78ada3f90a8cab3d6d4a9c7964c83c2a4a9;hp=6e5710fede733d2aa926236048d94247984dbd99;hb=613d097c5af2d12ffd68e2dfab309b518edca1a6;hpb=cbd80f64b2637f13020da7ca003fadcb9be8d46f diff --git a/pv/view/view.h b/pv/view/view.h index 6e5710fe..c25ed78a 100644 --- a/pv/view/view.h +++ b/pv/view/view.h @@ -23,7 +23,15 @@ #include +#include + +#include +#include + #include +#include + +#include "cursorpair.h" namespace pv { @@ -33,6 +41,7 @@ namespace view { class Header; class Ruler; +class Trace; class Viewport; class View : public QAbstractScrollArea { @@ -49,31 +58,94 @@ private: public: static const int SignalHeight; + static const int SignalMargin; + static const int SignalSnapGridSize; + + static const QColor CursorAreaColour; + + static const QSizeF LabelPadding; public: explicit View(SigSession &session, QWidget *parent = 0); SigSession& session(); + const SigSession& session() const; + /** + * 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); + std::vector< boost::shared_ptr > get_traces() const; + + std::list > selected_items() const; + + /** + * Returns true if cursors are displayed. false otherwise. + */ + bool cursors_shown() const; + + /** + * Shows or hides the cursors. + */ + void show_cursors(bool show = true); + + /** + * Moves the cursors to a convenient position in the view. + */ + void centre_cursors(); + + /** + * Returns a reference to the pair of cursors. + */ + CursorPair& cursors(); + + /** + * Returns a reference to the pair of cursors. + */ + const CursorPair& cursors() const; + const QPoint& hover_point() const; + void normalize_layout(); + + void update_viewport(); + signals: void hover_point_changed(); + void signals_moved(); + + void selection_changed(); + + void scale_offset_changed(); + private: void get_scroll_layout(double &length, double &offset) const; void update_scroll(); + static bool compare_trace_v_offsets( + const boost::shared_ptr &a, + const boost::shared_ptr &b); + private: bool eventFilter(QObject *object, QEvent *event); @@ -86,8 +158,13 @@ private slots: void h_scroll_value_changed(int value); void v_scroll_value_changed(int value); + void signals_changed(); void data_updated(); + void marker_time_changed(); + + void on_signals_moved(); + private: SigSession &_session; @@ -97,10 +174,17 @@ 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 _updating_scroll; + + bool _show_cursors; + CursorPair _cursors; QPoint _hover_point; };