X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=6e097a4d68c11b4ba3e31df41e16f5a9d98a4dfc;hp=0413b3d79820c6174aa421d4d89c57d80c58c4cb;hb=2c25d912f97ca7bedd9c03f4827fe8d8a189e8bc;hpb=17c0f398438df75dc5547d630e7d334e5de3c66a diff --git a/pv/view/view.h b/pv/view/view.h index 0413b3d7..6e097a4d 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 +18,32 @@ * 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 + +#include "cursorpair.h" namespace pv { + +class SigSession; + namespace view { +class CursorHeader; class Header; class Ruler; +class Trace; class Viewport; class View : public QAbstractScrollArea { @@ -41,58 +53,164 @@ private: static const double MaxScale; static const double MinScale; - 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; + + Viewport* viewport(); + const Viewport* viewport() 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); + void zoom_fit(); + + void zoom_one_to_one(); + + /** + * 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< std::shared_ptr > get_traces() const; + + std::list > selected_items() const; + + std::set< std::shared_ptr > + get_visible_data() const; + + std::pair get_time_extents() 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(); + +Q_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; + + /** + * Simultaneously sets the zoom and offset. + * @param scale The scale to set the view to in seconds per pixel. This + * value is clamped between MinScale and MaxScale. + * @param offset The offset of the left edge of the view in seconds. + */ + void set_zoom(double scale, int offset); + void update_scroll(); + void update_layout(); + private: + bool eventFilter(QObject *object, QEvent *event); + bool viewportEvent(QEvent *e); void resizeEvent(QResizeEvent *e); -private slots: +private Q_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(); + + void on_geometry_updated(); + + void on_hover_point_changed(); + private: SigSession &_session; Viewport *_viewport; Ruler *_ruler; + CursorHeader *_cursorheader; Header *_header; - 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