X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=dec317ccf9a4f2000cd2ec2406f42998965dd936;hp=0413b3d79820c6174aa421d4d89c57d80c58c4cb;hb=8dbbc7f0b9ea59d0f0d62225772f8a56eee125f5;hpb=17c0f398438df75dc5547d630e7d334e5de3c66a diff --git a/pv/view/view.h b/pv/view/view.h index 0413b3d7..dec317cc 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 * @@ -18,81 +18,250 @@ * 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 +#include +#include -class SigSession; +#include + +#include "cursorpair.h" +#include "rowitemowner.h" namespace pv { + +class SigSession; + namespace view { +class CursorHeader; class Header; class Ruler; class Viewport; -class View : public QAbstractScrollArea { +class View : public QAbstractScrollArea, public RowItemOwner { Q_OBJECT +private: + enum StickyEvents { + SelectableItemHExtentsChanged = 1, + SelectableItemVExtentsChanged = 2 + }; + 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 QColor CursorAreaColour; + + static const QSizeF LabelPadding; public: explicit View(SigSession &session, QWidget *parent = 0); SigSession& session(); + const SigSession& session() const; + + /** + * Returns the view of the owner. + */ + virtual pv::view::View* view(); + + /** + * Returns the view of the owner. + */ + virtual const pv::view::View* view() 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; + int owner_visual_v_offset() const; + + /** + * Returns the number of nested parents that this row item owner has. + */ + unsigned int depth() 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::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 update_viewport(); + + void restack_all_row_items(); + +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(); + + /** + * Satisifies RowItem functionality. + * @param p the QPainter to paint into. + * @param right the x-coordinate of the right edge of the header + * area. + * @param hover true if the label is being hovered over by the mouse. + */ + void paint_label(QPainter &p, int right, bool hover); + + /** + * Computes the outline rectangle of a label. + * @param right the x-coordinate of the right edge of the header + * area. + * @return Returns the rectangle of the signal label. + */ + QRectF label_rect(int right); + + static bool add_channels_to_owner( + const std::vector< std::shared_ptr > &channels, + RowItemOwner *owner, int &offset, + std::unordered_map, + std::shared_ptr > &signal_map, + std::function)> filter_func = + std::function)>()); + + static void apply_offset( + std::shared_ptr row_item, int &offset); + private: + bool eventFilter(QObject *object, QEvent *event); + bool viewportEvent(QEvent *e); void resizeEvent(QResizeEvent *e); -private slots: +public: + void appearance_changed(bool label, bool content); + + void extents_changed(bool horz, bool vert); + +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 process_sticky_events(); + + void on_hover_point_changed(); + private: - SigSession &_session; + SigSession &session_; + + Viewport *viewport_; + Ruler *ruler_; + CursorHeader *cursorheader_; + Header *header_; + + /// The view time scale in seconds per pixel. + double scale_; - Viewport *_viewport; - Ruler *_ruler; - Header *_header; + /// The view time offset in seconds. + double offset_; - uint64_t _data_length; + int v_offset_; + bool updating_scroll_; - double _scale; - double _offset; + bool show_cursors_; + CursorPair cursors_; - int _v_offset; + QPoint hover_point_; - friend class Viewport; + unsigned int sticky_events_; + QTimer lazy_event_handler_; }; } // namespace view } // namespace pv -#endif // PV_VIEW_VIEW_H +#endif // PULSEVIEW_PV_VIEW_VIEW_H