+++ /dev/null
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP
-#define PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP
-
-#include <cstdint>
-#include <list>
-#include <memory>
-#include <set>
-#include <unordered_map>
-#include <vector>
-
-#include <QAbstractScrollArea>
-#include <QSizeF>
-#include <QSplitter>
-
-#include <pv/data/signaldata.hpp>
-#include <pv/util.hpp>
-#include <pv/views/viewbase.hpp>
-
-#include "cursorpair.hpp"
-#include "flag.hpp"
-#include "tracetreeitemowner.hpp"
-
-using std::list;
-using std::unordered_map;
-using std::unordered_set;
-using std::set;
-using std::shared_ptr;
-using std::vector;
-
-namespace sigrok {
-class ChannelGroup;
-}
-
-namespace pv {
-
-class Session;
-
-namespace data {
-class Logic;
-}
-
-namespace views {
-
-namespace TraceView {
-
-class CursorHeader;
-class DecodeTrace;
-class Header;
-class Ruler;
-class Signal;
-class Trace;
-class Viewport;
-class TriggerMarker;
-
-class CustomScrollArea : public QAbstractScrollArea
-{
- Q_OBJECT
-
-public:
- CustomScrollArea(QWidget *parent = nullptr);
- bool viewportEvent(QEvent *event);
-};
-
-class View : public ViewBase, public TraceTreeItemOwner
-{
- Q_OBJECT
-
-private:
- enum StickyEvents {
- TraceTreeItemHExtentsChanged = 1,
- TraceTreeItemVExtentsChanged = 2
- };
-
-private:
- static const pv::util::Timestamp MaxScale;
- static const pv::util::Timestamp MinScale;
-
- static const int MaxScrollValue;
-
- static const int ScaleUnits[3];
-
-public:
- explicit View(Session &session, bool is_main_view=false, QWidget *parent = nullptr);
-
- Session& session();
- const Session& session() const;
-
- /**
- * Returns the signals contained in this view.
- */
- unordered_set< shared_ptr<Signal> > signals() const;
-
- virtual void clear_signals();
-
- void add_signal(const shared_ptr<Signal> signal);
-
-#ifdef ENABLE_DECODE
- virtual void clear_decode_signals();
-
- virtual void add_decode_signal(shared_ptr<data::SignalBase> signalbase);
-
- virtual void remove_decode_signal(shared_ptr<data::SignalBase> signalbase);
-#endif
-
- /**
- * Returns the view of the owner.
- */
- virtual View* view();
-
- /**
- * Returns the view of the owner.
- */
- virtual const View* view() const;
-
- Viewport* viewport();
-
- const Viewport* viewport() const;
-
- virtual void save_settings(QSettings &settings) const;
-
- virtual void restore_settings(QSettings &settings);
-
- /**
- * Gets a list of time markers.
- */
- vector< shared_ptr<TimeItem> > time_items() 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.
- */
- const pv::util::Timestamp& offset() const;
-
- /**
- * Returns the vertical scroll offset.
- */
- int owner_visual_v_offset() const;
-
- /**
- * Sets the visual v-offset.
- */
- void set_v_offset(int offset);
-
- /**
- * Returns the SI prefix to apply to the graticule time markings.
- */
- 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.
- */
- const pv::util::Timestamp& 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.
- */
- unsigned int depth() const;
-
- void zoom(double steps);
- void zoom(double steps, int offset);
-
- void zoom_fit(bool gui_state);
-
- 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, const pv::util::Timestamp& offset);
-
- set< shared_ptr<pv::data::SignalData> > get_visible_data() const;
-
- pair<pv::util::Timestamp, pv::util::Timestamp> get_time_extents() const;
-
- /**
- * Enables or disables coloured trace backgrounds. If they're not
- * coloured then they will use alternating colors.
- */
- void enable_coloured_bg(bool state);
-
- /**
- * Returns true if the trace background should be drawn with a coloured background.
- */
- bool coloured_bg() const;
-
- /**
- * Enable or disable showing sampling points.
- */
- void enable_show_sampling_points(bool state);
-
- /**
- * Enable or disable showing the analog minor grid.
- */
- void enable_show_analog_minor_grid(bool state);
-
- /**
- * 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.
- */
- shared_ptr<CursorPair> cursors() const;
-
- /**
- * Adds a new flag at a specified time.
- */
- void add_flag(const pv::util::Timestamp& time);
-
- /**
- * Removes a flag from the list.
- */
- void remove_flag(shared_ptr<Flag> flag);
-
- /**
- * Gets the list of flags.
- */
- vector< shared_ptr<Flag> > flags() const;
-
- const QPoint& hover_point() const;
-
- void restack_all_trace_tree_items();
-
-Q_SIGNALS:
- void hover_point_changed();
-
- void selection_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();
-
-public Q_SLOTS:
- void trigger_event(util::Timestamp location);
-
-private:
- void get_scroll_layout(double &length, pv::util::Timestamp &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);
-
- /**
- * Find a tick spacing and number formatting that does not cause
- * the values to collide.
- */
- void calculate_tick_spacing();
-
- void adjust_top_margin();
-
- void update_scroll();
-
- void reset_scroll();
-
- void set_scroll_default();
-
- bool header_was_shrunk() const;
-
- void expand_header_to_fit();
-
- void update_layout();
-
- TraceTreeItemOwner* find_prevalent_trace_group(
- const shared_ptr<sigrok::ChannelGroup> &group,
- const unordered_map<shared_ptr<data::SignalBase>,
- shared_ptr<Signal> > &signal_map);
-
- static vector< shared_ptr<Trace> >
- extract_new_traces_for_channels(
- const vector< shared_ptr<sigrok::Channel> > &channels,
- const unordered_map<shared_ptr<data::SignalBase>,
- shared_ptr<Signal> > &signal_map,
- set< shared_ptr<Trace> > &add_list);
-
- void determine_time_unit();
-
- bool eventFilter(QObject *object, QEvent *event);
-
- void resizeEvent(QResizeEvent *event);
-
-public:
- void row_item_appearance_changed(bool label, bool content);
- void time_item_appearance_changed(bool label, bool content);
-
- void extents_changed(bool horz, bool vert);
-
-private Q_SLOTS:
-
- void on_splitter_moved();
-
- void h_scroll_value_changed(int value);
- void v_scroll_value_changed();
-
- void signals_changed();
- void capture_state_updated(int state);
-
- virtual 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(const pv::util::Timestamp& 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:
- CustomScrollArea *scrollarea_;
- Viewport *viewport_;
- Ruler *ruler_;
- Header *header_;
- QSplitter *splitter_;
-
- unordered_set< shared_ptr<Signal> > signals_;
-
-#ifdef ENABLE_DECODE
- vector< shared_ptr<DecodeTrace> > decode_traces_;
-#endif
-
- /// The view time scale in seconds per pixel.
- double scale_;
-
- /// The view time offset in seconds.
- pv::util::Timestamp offset_;
-
- bool updating_scroll_;
- bool settings_restored_;
-
- bool sticky_scrolling_;
- bool coloured_bg_;
- bool always_zoom_to_fit_;
-
- pv::util::Timestamp tick_period_;
- pv::util::SIPrefix tick_prefix_;
- unsigned int tick_precision_;
- util::TimeUnit time_unit_;
-
- bool show_cursors_;
- shared_ptr<CursorPair> cursors_;
-
- list< shared_ptr<Flag> > flags_;
- char next_flag_text_;
-
- vector< shared_ptr<TriggerMarker> > trigger_markers_;
-
- QPoint hover_point_;
-
- unsigned int sticky_events_;
- QTimer lazy_event_handler_;
-
- // This is true when the defaults couldn't be set due to insufficient info
- bool scroll_needs_defaults_;
-
- // A nonzero value indicates the v offset to restore. See View::resizeEvent()
- int saved_v_offset_;
-};
-
-} // namespace TraceView
-} // namespace views
-} // namespace pv
-
-#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP
projects / pulseview.git / blobdiff