X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.h;h=cc06f80dae12ac19dccdb7f00ca0c7971a1d7368;hp=4eb255a2da7a0ec131df8daf6ea6286df8442074;hb=bcaa184ed439d801cb1a56b877bb2763246150da;hpb=b42d25c43e52c900cbdd3e5cde0282961b8721e7 diff --git a/pv/view/view.h b/pv/view/view.h index 4eb255a2..cc06f80d 100644 --- a/pv/view/view.h +++ b/pv/view/view.h @@ -23,10 +23,17 @@ #include +#include +#include +#include + #include #include +#include + #include "cursorpair.h" +#include "rowitemowner.h" namespace pv { @@ -34,20 +41,18 @@ 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: static const double MaxScale; static const double MinScale; - static const int LabelMarginWidth; - static const int RulerHeight; - static const int MaxScrollValue; public: @@ -63,6 +68,21 @@ 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. @@ -74,11 +94,15 @@ public: * seconds. */ double offset() const; - int v_offset() const; + int owner_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. @@ -86,6 +110,11 @@ public: */ 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. */ @@ -96,26 +125,67 @@ public: */ 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(); -signals: + 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 reset_signal_layout(); + 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); private: bool eventFilter(QObject *object, QEvent *event); @@ -124,7 +194,7 @@ private: void resizeEvent(QResizeEvent *e); -private slots: +private Q_SLOTS: void h_scroll_value_changed(int value); void v_scroll_value_changed(int value); @@ -136,15 +206,18 @@ private slots: 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;