X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.hpp;h=90a9b877cb04b164d5bedd8d19f1c244fd1cc848;hp=74a5c3755c6fb4437ef8b9b815091d0cf2d0cbc8;hb=4b0af0b67fe57e0880bcb8aa13b4fa807f3aaac0;hpb=4d4766471d0900ea6e771be1354c21c5e745c1e6 diff --git a/pv/view/view.hpp b/pv/view/view.hpp index 74a5c375..90a9b877 100644 --- a/pv/view/view.hpp +++ b/pv/view/view.hpp @@ -18,8 +18,8 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef PULSEVIEW_PV_VIEW_VIEW_H -#define PULSEVIEW_PV_VIEW_VIEW_H +#ifndef PULSEVIEW_PV_VIEW_VIEW_HPP +#define PULSEVIEW_PV_VIEW_VIEW_HPP #include @@ -34,11 +34,16 @@ #include #include +#include #include "cursorpair.hpp" #include "flag.hpp" #include "rowitemowner.hpp" +namespace sigrok { +class ChannelGroup; +} + namespace pv { class Session; @@ -48,6 +53,7 @@ namespace view { class CursorHeader; class Header; class Ruler; +class Trace; class Viewport; class View : public QAbstractScrollArea, public RowItemOwner { @@ -60,10 +66,11 @@ private: }; private: - static const double MaxScale; - static const double MinScale; + static const pv::util::Timestamp MaxScale; + static const pv::util::Timestamp MinScale; static const int MaxScrollValue; + static const int MaxViewAutoUpdateRate; static const int ScaleUnits[3]; @@ -101,7 +108,7 @@ public: * Returns the time offset of the left edge of the view in * seconds. */ - double offset() const; + const pv::util::Timestamp& offset() const; /** * Returns the vertical scroll offset. @@ -116,13 +123,23 @@ public: /** * Returns the SI prefix to apply to the graticule time markings. */ - unsigned int tick_prefix() const; + pv::util::SIPrefix tick_prefix() const; + + /** + * Returns the number of fractional digits shown for the time markings. + */ + unsigned int tick_precision() const; /** * Returns period of the graticule time markings. */ double tick_period() const; + /** + * Returns the unit of time currently used. + */ + util::TimeUnit time_unit() const; + /** * Returns the number of nested parents that this row item owner has. */ @@ -131,7 +148,7 @@ public: void zoom(double steps); void zoom(double steps, int offset); - void zoom_fit(); + void zoom_fit(bool gui_state); void zoom_one_to_one(); @@ -140,12 +157,18 @@ public: * @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); + void set_scale_offset(double scale, const pv::util::Timestamp& offset); std::set< std::shared_ptr > get_visible_data() const; - std::pair get_time_extents() const; + std::pair get_time_extents() const; + + /** + * Enables or disables sticky scrolling, i.e. the view always shows + * the most recent samples when capturing data. + */ + void enable_sticky_scrolling(bool state); /** * Returns true if cursors are displayed. false otherwise. @@ -170,7 +193,7 @@ public: /** * Adds a new flag at a specified time. */ - void add_flag(double time); + void add_flag(const pv::util::Timestamp& time); /** * Removes a flag from the list. @@ -193,10 +216,30 @@ Q_SIGNALS: void selection_changed(); - void scale_offset_changed(); + /// Emitted when the offset changed. + void offset_changed(); + + /// Emitted when the scale changed. + void scale_changed(); + + void sticky_scrolling_changed(bool state); + + void always_zoom_to_fit_changed(bool state); + + /// Emitted when the tick_prefix changed. + void tick_prefix_changed(); + + /// Emitted when the tick_precision changed. + void tick_precision_changed(); + + /// Emitted when the tick_period changed. + void tick_period_changed(); + + /// Emitted when the time_unit changed. + void time_unit_changed(); private: - void get_scroll_layout(double &length, double &offset) const; + void get_scroll_layout(double &length, pv::util::Timestamp &offset) const; /** * Simultaneously sets the zoom and offset. @@ -231,18 +274,20 @@ private: */ QRectF label_rect(const QRectF &rect); - static bool add_channels_to_owner( + RowItemOwner* find_prevalent_trace_group( + const std::shared_ptr &group, + const std::unordered_map, + std::shared_ptr > &signal_map); + + static std::vector< std::shared_ptr > + extract_new_traces_for_channels( const std::vector< std::shared_ptr > &channels, - RowItemOwner *owner, int &offset, - std::unordered_map, + const std::unordered_map, std::shared_ptr > &signal_map, - std::function)> filter_func = - std::function)>()); + std::set< std::shared_ptr > &add_list); - static void apply_offset( - std::shared_ptr row_item, int &offset); + void determine_time_unit(); -private: bool eventFilter(QObject *object, QEvent *event); bool viewportEvent(QEvent *e); @@ -261,12 +306,51 @@ private Q_SLOTS: void v_scroll_value_changed(); void signals_changed(); + void capture_state_updated(int state); void data_updated(); + void perform_delayed_view_update(); + void process_sticky_events(); void on_hover_point_changed(); + /** + * Sets the 'offset_' member and emits the 'offset_changed' + * signal if needed. + */ + void set_offset(const pv::util::Timestamp& offset); + + /** + * Sets the 'scale_' member and emits the 'scale_changed' + * signal if needed. + */ + void set_scale(double scale); + + /** + * Sets the 'tick_prefix_' member and emits the 'tick_prefix_changed' + * signal if needed. + */ + void set_tick_prefix(pv::util::SIPrefix tick_prefix); + + /** + * Sets the 'tick_precision_' member and emits the 'tick_precision_changed' + * signal if needed. + */ + void set_tick_precision(unsigned tick_precision); + + /** + * Sets the 'tick_period_' member and emits the 'tick_period_changed' + * signal if needed. + */ + void set_tick_period(double tick_period); + + /** + * Sets the 'time_unit' member and emits the 'time_unit_changed' + * signal if needed. + */ + void set_time_unit(pv::util::TimeUnit time_unit); + private: Session &session_; @@ -278,12 +362,17 @@ private: double scale_; /// The view time offset in seconds. - double offset_; + pv::util::Timestamp offset_; bool updating_scroll_; + bool sticky_scrolling_; + bool always_zoom_to_fit_; + QTimer delayed_view_updater_; double tick_period_; - unsigned int tick_prefix_; + pv::util::SIPrefix tick_prefix_; + unsigned int tick_precision_; + util::TimeUnit time_unit_; bool show_cursors_; std::shared_ptr cursors_; @@ -300,4 +389,4 @@ private: } // namespace view } // namespace pv -#endif // PULSEVIEW_PV_VIEW_VIEW_H +#endif // PULSEVIEW_PV_VIEW_VIEW_HPP