X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=c25ed78ada3f90a8cab3d6d4a9c7964c83c2a4a9;hp=d7fc635697aebf2c95b8f449e7b7b68b2e52ee58;hb=613d097c5af2d12ffd68e2dfab309b518edca1a6;hpb=ccdd3ef548ce34f25c6c168598556a350831aa37 diff --git a/pv/view/view.h b/pv/view/view.h index d7fc6356..c25ed78a 100644 --- a/pv/view/view.h +++ b/pv/view/view.h @@ -1,5 +1,5 @@ /* - * This file is part of the sigrok project. + * This file is part of the PulseView project. * * Copyright (C) 2012 Joel Holdsworth * @@ -18,20 +18,30 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef PV_VIEW_VIEW_H -#define PV_VIEW_VIEW_H +#ifndef PULSEVIEW_PV_VIEW_VIEW_H +#define PULSEVIEW_PV_VIEW_VIEW_H #include +#include + +#include +#include + #include +#include -class SigSession; +#include "cursorpair.h" namespace pv { + +class SigSession; + namespace view { class Header; class Ruler; +class Trace; class Viewport; class View : public QAbstractScrollArea { @@ -44,38 +54,117 @@ private: static const int LabelMarginWidth; static const int RulerHeight; + static const int MaxScrollValue; + 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(); - void zoom(double steps, int offset); + static bool compare_trace_v_offsets( + const boost::shared_ptr &a, + const boost::shared_ptr &b); 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 signals_changed(); void data_updated(); + void marker_time_changed(); + + void on_signals_moved(); + private: SigSession &_session; @@ -85,15 +174,22 @@ 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; - friend class Viewport; + QPoint _hover_point; }; } // namespace view } // namespace pv -#endif // PV_VIEW_VIEW_H +#endif // PULSEVIEW_PV_VIEW_VIEW_H