X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fview.cpp;h=e72770f07eabe7481f2f48b95a1cf0f86a15816d;hp=f634b4ae532966be2c08ae793bdb88df0aa3bb88;hb=74bf66669012692f7eda790abe724bd5bb4ae8c6;hpb=e4e5a958507a2c4e2643f21e3c735021da97e577 diff --git a/pv/views/trace/view.cpp b/pv/views/trace/view.cpp index f634b4ae..e72770f0 100644 --- a/pv/views/trace/view.cpp +++ b/pv/views/trace/view.cpp @@ -38,6 +38,7 @@ #include #include #include +#include #include #include #include @@ -78,6 +79,7 @@ using std::max; using std::make_pair; using std::make_shared; using std::min; +using std::numeric_limits; using std::pair; using std::set; using std::set_difference; @@ -122,13 +124,14 @@ bool CustomScrollArea::viewportEvent(QEvent *event) } } -View::View(Session &session, bool is_main_view, QWidget *parent) : +View::View(Session &session, bool is_main_view, QMainWindow *parent) : ViewBase(session, is_main_view, parent), // Note: Place defaults in View::reset_view_state(), not here splitter_(new QSplitter()), header_was_shrunk_(false), // The splitter remains unchanged after a reset, so this goes here - sticky_scrolling_(false) // Default setting is set in MainWindow::setup_ui() + sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() + scroll_needs_defaults_(true) { QVBoxLayout *root_layout = new QVBoxLayout(this); root_layout->setContentsMargins(0, 0, 0, 0); @@ -177,6 +180,7 @@ View::View(Session &session, bool is_main_view, QWidget *parent) : // Set up settings and event handlers GlobalSettings settings; colored_bg_ = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); + snap_distance_ = settings.value(GlobalSettings::Key_View_SnapDistance).toInt(); GlobalSettings::add_change_handler(this); @@ -202,11 +206,33 @@ View::View(Session &session, bool is_main_view, QWidget *parent) : this, SLOT(process_sticky_events())); lazy_event_handler_.setSingleShot(true); + // Set up local keyboard shortcuts + zoom_in_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Plus), this, + SLOT(on_zoom_in_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut); + zoom_in_shortcut_->setAutoRepeat(false); + + zoom_out_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Minus), this, + SLOT(on_zoom_out_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut); + zoom_out_shortcut_->setAutoRepeat(false); + + zoom_in_shortcut_2_ = new QShortcut(QKeySequence(Qt::Key_Up), this, + SLOT(on_zoom_in_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut); + zoom_out_shortcut_2_ = new QShortcut(QKeySequence(Qt::Key_Down), this, + SLOT(on_zoom_out_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut); + + home_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Home), this, + SLOT(on_scroll_to_start_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut); + home_shortcut_->setAutoRepeat(false); + + end_shortcut_ = new QShortcut(QKeySequence(Qt::Key_End), this, + SLOT(on_scroll_to_end_shortcut_triggered()), nullptr, Qt::WidgetWithChildrenShortcut); + end_shortcut_->setAutoRepeat(false); + // Trigger the initial event manually. The default device has signals // which were created before this object came into being signals_changed(); - // make sure the transparent widgets are on the top + // Make sure the transparent widgets are on the top ruler_->raise(); header_->raise(); @@ -218,6 +244,11 @@ View::~View() GlobalSettings::remove_change_handler(this); } +ViewType View::get_type() const +{ + return ViewTypeTrace; +} + void View::reset_view_state() { ViewBase::reset_view_state(); @@ -238,6 +269,7 @@ void View::reset_view_state() cursors_ = make_shared(*this); next_flag_text_ = 'A'; trigger_markers_.clear(); + hover_widget_ = nullptr; hover_point_ = QPoint(-1, -1); scroll_needs_defaults_ = true; saved_v_offset_ = 0; @@ -271,9 +303,22 @@ unordered_set< shared_ptr > View::signals() const return signals_; } +shared_ptr View::get_signal_by_signalbase(shared_ptr base) const +{ + shared_ptr ret_val; + + for (const shared_ptr s : signals_) + if (s->base() == base) { + ret_val = s; + break; + } + + return ret_val; +} + void View::clear_signals() { - ViewBase::clear_signalbases(); + ViewBase::clear_signals(); signals_.clear(); } @@ -292,11 +337,14 @@ void View::add_signal(const shared_ptr signal) #ifdef ENABLE_DECODE void View::clear_decode_signals() { + ViewBase::clear_decode_signals(); decode_traces_.clear(); } void View::add_decode_signal(shared_ptr signal) { + ViewBase::add_decode_signal(signal); + shared_ptr d( new DecodeTrace(session_, signal, decode_traces_.size())); decode_traces_.push_back(d); @@ -316,9 +364,16 @@ void View::remove_decode_signal(shared_ptr signal) signals_changed(); return; } + + ViewBase::remove_decode_signal(signal); } #endif +shared_ptr View::get_signal_under_mouse_cursor() const +{ + return signal_under_mouse_cursor_; +} + View* View::view() { return this; @@ -339,6 +394,11 @@ const Viewport* View::viewport() const return viewport_; } +const Ruler* View::ruler() const +{ + return ruler_; +} + void View::save_settings(QSettings &settings) const { settings.setValue("scale", scale_); @@ -348,12 +408,6 @@ void View::save_settings(QSettings &settings) const settings.setValue("splitter_state", splitter_->saveState()); settings.setValue("segment_display_mode", segment_display_mode_); - { - stringstream ss; - boost::archive::text_oarchive oa(ss); - oa << boost::serialization::make_nvp("ruler_shift", ruler_shift_); - settings.setValue("ruler_shift", QString::fromStdString(ss.str())); - } { stringstream ss; boost::archive::text_oarchive oa(ss); @@ -361,7 +415,7 @@ void View::save_settings(QSettings &settings) const settings.setValue("offset", QString::fromStdString(ss.str())); } - for (shared_ptr signal : signals_) { + for (const shared_ptr& signal : signals_) { settings.beginGroup(signal->base()->internal_name()); signal->save_settings(settings); settings.endGroup(); @@ -376,20 +430,6 @@ void View::restore_settings(QSettings &settings) if (settings.contains("scale")) set_scale(settings.value("scale").toDouble()); - if (settings.contains("ruler_shift")) { - util::Timestamp shift; - stringstream ss; - ss << settings.value("ruler_shift").toString().toStdString(); - - try { - boost::archive::text_iarchive ia(ss); - ia >> boost::serialization::make_nvp("ruler_shift", shift); - ruler_shift_ = shift; - } catch (boost::archive::archive_exception) { - qDebug() << "Could not restore the view ruler shift"; - } - } - if (settings.contains("offset")) { util::Timestamp offset; stringstream ss; @@ -400,7 +440,7 @@ void View::restore_settings(QSettings &settings) ia >> boost::serialization::make_nvp("offset", offset); // This also updates ruler_offset_ set_offset(offset); - } catch (boost::archive::archive_exception) { + } catch (boost::archive::archive_exception&) { qDebug() << "Could not restore the view offset"; } } @@ -443,7 +483,7 @@ vector< shared_ptr > View::time_items() const items.push_back(cursors_->second()); } - for (auto trigger_marker : trigger_markers_) + for (auto& trigger_marker : trigger_markers_) items.push_back(trigger_marker); return items; @@ -466,7 +506,7 @@ void View::set_offset(const pv::util::Timestamp& offset, bool force_update) { if ((offset_ != offset) || force_update) { offset_ = offset; - ruler_offset_ = offset_ + ruler_shift_; + ruler_offset_ = offset_ + zero_offset_; offset_changed(); } } @@ -481,9 +521,9 @@ const Timestamp& View::ruler_offset() const return ruler_offset_; } -void View::set_zero_position(pv::util::Timestamp& position) +void View::set_zero_position(const pv::util::Timestamp& position) { - ruler_shift_ = -position; + zero_offset_ = -position; // Force an immediate update of the offsets set_offset(offset_, true); @@ -492,13 +532,18 @@ void View::set_zero_position(pv::util::Timestamp& position) void View::reset_zero_position() { - ruler_shift_ = 0; + zero_offset_ = 0; // Force an immediate update of the offsets set_offset(offset_, true); ruler_->update(); } +pv::util::Timestamp View::zero_offset() const +{ + return zero_offset_; +} + int View::owner_visual_v_offset() const { return -scrollarea_->verticalScrollBar()->sliderPosition(); @@ -511,6 +556,18 @@ void View::set_v_offset(int offset) viewport_->update(); } +void View::set_h_offset(int offset) +{ + scrollarea_->horizontalScrollBar()->setSliderPosition(offset); + header_->update(); + viewport_->update(); +} + +int View::get_h_scrollbar_maximum() const +{ + return scrollarea_->horizontalScrollBar()->maximum(); +} + unsigned int View::depth() const { return 0; @@ -582,10 +639,10 @@ void View::set_current_segment(uint32_t segment_id) { current_segment_ = segment_id; - for (shared_ptr signal : signals_) + for (const shared_ptr& signal : signals_) signal->set_current_segment(current_segment_); #ifdef ENABLE_DECODE - for (shared_ptr dt : decode_traces_) + for (shared_ptr& dt : decode_traces_) dt->set_current_segment(current_segment_); #endif @@ -619,11 +676,9 @@ Trace::SegmentDisplayMode View::segment_display_mode() const void View::set_segment_display_mode(Trace::SegmentDisplayMode mode) { - trigger_markers_.clear(); - segment_display_mode_ = mode; - for (shared_ptr signal : signals_) + for (const shared_ptr& signal : signals_) signal->set_segment_display_mode(mode); uint32_t last_segment = session_.get_segment_count() - 1; @@ -700,23 +755,6 @@ void View::zoom_fit(bool gui_state) set_scale_offset(scale.convert_to(), extents.first); } -void View::zoom_one_to_one() -{ - using pv::data::SignalData; - - // Make a set of all the visible data objects - set< shared_ptr > visible_data = get_visible_data(); - if (visible_data.empty()) - return; - - assert(viewport_); - const int w = viewport_->width(); - if (w <= 0) - return; - - set_zoom(1.0 / session_.get_samplerate(), w / 2); -} - void View::set_scale_offset(double scale, const Timestamp& offset) { // Disable sticky scrolling / always zoom to fit when acquisition runs @@ -749,7 +787,7 @@ set< shared_ptr > View::get_visible_data() const { // Make a set of all the visible data objects set< shared_ptr > visible_data; - for (const shared_ptr sig : signals_) + for (const shared_ptr& sig : signals_) if (sig->enabled()) visible_data.insert(sig->data()); @@ -760,9 +798,9 @@ pair View::get_time_extents() const { boost::optional left_time, right_time; const set< shared_ptr > visible_data = get_visible_data(); - for (const shared_ptr d : visible_data) { + for (const shared_ptr& d : visible_data) { const vector< shared_ptr > segments = d->segments(); - for (const shared_ptr &s : segments) { + for (const shared_ptr& s : segments) { double samplerate = s->samplerate(); samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; @@ -783,26 +821,6 @@ pair View::get_time_extents() const return make_pair(*left_time, *right_time); } -void View::enable_show_sampling_points(bool state) -{ - (void)state; - - viewport_->update(); -} - -void View::enable_show_analog_minor_grid(bool state) -{ - (void)state; - - viewport_->update(); -} - -void View::enable_colored_bg(bool state) -{ - colored_bg_ = state; - viewport_->update(); -} - bool View::colored_bg() const { return colored_bg_; @@ -815,22 +833,36 @@ bool View::cursors_shown() const void View::show_cursors(bool show) { - show_cursors_ = show; - cursor_state_changed(show); + if (show_cursors_ != show) { + show_cursors_ = show; + + cursor_state_changed(show); + ruler_->update(); + viewport_->update(); + } +} + +void View::set_cursors(pv::util::Timestamp& first, pv::util::Timestamp& second) +{ + assert(cursors_); + + cursors_->first()->set_time(first); + cursors_->second()->set_time(second); + ruler_->update(); viewport_->update(); } void View::centre_cursors() { - if (cursors_) { - const double time_width = scale_ * viewport_->width(); - cursors_->first()->set_time(offset_ + time_width * 0.4); - cursors_->second()->set_time(offset_ + time_width * 0.6); + assert(cursors_); - ruler_->update(); - viewport_->update(); - } + const double time_width = scale_ * viewport_->width(); + cursors_->first()->set_time(offset_ + time_width * 0.4); + cursors_->second()->set_time(offset_ + time_width * 0.6); + + ruler_->update(); + viewport_->update(); } shared_ptr View::cursors() const @@ -838,15 +870,17 @@ shared_ptr View::cursors() const return cursors_; } -void View::add_flag(const Timestamp& time) +shared_ptr View::add_flag(const Timestamp& time) { - flags_.push_back(make_shared(*this, time, - QString("%1").arg(next_flag_text_))); + shared_ptr flag = + make_shared(*this, time, QString("%1").arg(next_flag_text_)); + flags_.push_back(flag); next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : (next_flag_text_ + 1); time_item_appearance_changed(true, true); + return flag; } void View::remove_flag(shared_ptr flag) @@ -871,6 +905,112 @@ const QPoint& View::hover_point() const return hover_point_; } +const QWidget* View::hover_widget() const +{ + return hover_widget_; +} + +int64_t View::get_nearest_level_change(const QPoint &p) +{ + // Is snapping disabled? + if (snap_distance_ == 0) + return -1; + + struct entry_t { + entry_t(shared_ptr s) : + signal(s), delta(numeric_limits::max()), sample(-1), is_dense(false) {} + shared_ptr signal; + int64_t delta; + int64_t sample; + bool is_dense; + }; + + vector list; + + // Create list of signals to consider + if (signal_under_mouse_cursor_) + list.emplace_back(signal_under_mouse_cursor_); + else + for (shared_ptr s : signals_) { + if (!s->enabled()) + continue; + + list.emplace_back(s); + } + + // Get data for listed signals + for (entry_t &e : list) { + // Calculate sample number from cursor position + const double samples_per_pixel = e.signal->base()->get_samplerate() * scale(); + const int64_t x_offset = offset().convert_to() / scale(); + const int64_t sample_num = max(((x_offset + p.x()) * samples_per_pixel), 0.0); + + vector edges = + e.signal->get_nearest_level_changes(sample_num); + + if (edges.empty()) + continue; + + // Check first edge + const int64_t first_sample_delta = abs(sample_num - edges.front().first); + const int64_t first_delta = first_sample_delta / samples_per_pixel; + e.delta = first_delta; + e.sample = edges.front().first; + + // Check second edge if available + if (edges.size() == 2) { + // Note: -1 because this is usually the right edge and sample points are left-aligned + const int64_t second_sample_delta = abs(sample_num - edges.back().first - 1); + const int64_t second_delta = second_sample_delta / samples_per_pixel; + + // If both edges are too close, we mark this signal as being dense + if ((first_delta + second_delta) <= snap_distance_) + e.is_dense = true; + + if (second_delta < first_delta) { + e.delta = second_delta; + e.sample = edges.back().first; + } + } + } + + // Look for the best match: non-dense first, then dense + entry_t *match = nullptr; + + for (entry_t &e : list) { + if (e.delta > snap_distance_ || e.is_dense) + continue; + + if (match) { + if (e.delta < match->delta) + match = &e; + } else + match = &e; + } + + if (!match) { + for (entry_t &e : list) { + if (!e.is_dense) + continue; + + if (match) { + if (e.delta < match->delta) + match = &e; + } else + match = &e; + } + } + + if (match) { + // Somewhat ugly hack to make TimeItem::drag_by() work + signal_under_mouse_cursor_ = match->signal; + + return match->sample; + } + + return -1; +} + void View::restack_all_trace_tree_items() { // Make a list of owners that is sorted from deepest first @@ -893,10 +1033,29 @@ void View::restack_all_trace_tree_items() i->animate_to_layout_v_offset(); } +int View::header_width() const +{ + return header_->extended_size_hint().width(); +} + void View::on_setting_changed(const QString &key, const QVariant &value) { + GlobalSettings settings; + + if (key == GlobalSettings::Key_View_ColoredBG) { + colored_bg_ = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); + viewport_->update(); + } + + if ((key == GlobalSettings::Key_View_ShowSamplingPoints) || + (key == GlobalSettings::Key_View_ShowAnalogMinorGrid)) + viewport_->update(); + if (key == GlobalSettings::Key_View_TriggerIsZeroTime) on_settingViewTriggerIsZeroTime_changed(value); + + if (key == GlobalSettings::Key_View_SnapDistance) + snap_distance_ = settings.value(GlobalSettings::Key_View_SnapDistance).toInt(); } void View::trigger_event(int segment_id, util::Timestamp location) @@ -1072,8 +1231,10 @@ void View::update_scroll() vscrollbar->setRange(extents.first - areaSize.height(), extents.second); - if (scroll_needs_defaults_) + if (scroll_needs_defaults_) { set_scroll_default(); + scroll_needs_defaults_ = false; + } } void View::reset_scroll() @@ -1102,13 +1263,13 @@ void View::set_scroll_default() void View::determine_if_header_was_shrunk() { - const int header_pane_width = splitter_->sizes().front(); - const int header_width = header_->extended_size_hint().width(); + const int header_pane_width = + splitter_->sizes().front(); // clazy:exclude=detaching-temporary // Allow for a slight margin of error so that we also accept // slight differences when e.g. a label name change increased // the overall width - header_was_shrunk_ = (header_pane_width < (header_width - 10)); + header_was_shrunk_ = (header_pane_width < (header_width() - 10)); } void View::resize_header_to_fit() @@ -1122,7 +1283,7 @@ void View::resize_header_to_fit() // splitter to the maximum allowed position. int splitter_area_width = 0; - for (int w : splitter_->sizes()) + for (int w : splitter_->sizes()) // clazy:exclude=range-loop splitter_area_width += w; // Make sure the header has enough horizontal space to show all labels fully @@ -1148,8 +1309,8 @@ TraceTreeItemOwner* View::find_prevalent_trace_group( vector owner_list; // Make a set and a list of all the owners - for (const auto &channel : group->channels()) { - for (auto entry : signal_map) { + for (const auto& channel : group->channels()) { + for (auto& entry : signal_map) { if (entry.first->channel() == channel) { TraceTreeItemOwner *const o = (entry.second)->owner(); owner_list.push_back(o); @@ -1182,8 +1343,8 @@ vector< shared_ptr > View::extract_new_traces_for_channels( { vector< shared_ptr > filtered_traces; - for (const auto &channel : channels) { - for (auto entry : signal_map) { + for (const auto& channel : channels) { + for (auto& entry : signal_map) { if (entry.first->channel() == channel) { shared_ptr trace = entry.second; const auto list_iter = add_list.find(trace); @@ -1204,7 +1365,7 @@ void View::determine_time_unit() // Check whether we know the sample rate and hence can use time as the unit if (time_unit_ == util::TimeUnit::Samples) { // Check all signals but... - for (const shared_ptr signal : signals_) { + for (const shared_ptr& signal : signals_) { const shared_ptr data = signal->data(); // ...only check first segment of each @@ -1221,13 +1382,17 @@ void View::determine_time_unit() bool View::eventFilter(QObject *object, QEvent *event) { const QEvent::Type type = event->type(); + if (type == QEvent::MouseMove) { + if (object) + hover_widget_ = qobject_cast(object); + const QMouseEvent *const mouse_event = (QMouseEvent*)event; if (object == viewport_) hover_point_ = mouse_event->pos(); else if (object == ruler_) - hover_point_ = QPoint(mouse_event->x(), 0); + hover_point_ = mouse_event->pos(); else if (object == header_) hover_point_ = QPoint(0, mouse_event->y()); else @@ -1235,6 +1400,15 @@ bool View::eventFilter(QObject *object, QEvent *event) update_hover_point(); + } else if (type == QEvent::MouseButtonPress) { + const QMouseEvent *const mouse_event = (QMouseEvent*)event; + if ((object == viewport_) && (mouse_event->button() & Qt::LeftButton)) { + // Send event to all trace tree items + const vector> trace_tree_items( + list_by_type()); + for (const shared_ptr& r : trace_tree_items) + r->mouse_left_press_event(mouse_event); + } } else if (type == QEvent::Leave) { hover_point_ = QPoint(-1, -1); update_hover_point(); @@ -1268,6 +1442,19 @@ bool View::eventFilter(QObject *object, QEvent *event) return QObject::eventFilter(object, event); } +void View::contextMenuEvent(QContextMenuEvent *event) +{ + QPoint pos = event->pos() - QPoint(0, ruler_->sizeHint().height()); + + const shared_ptr r = viewport_->get_mouse_over_item(pos); + if (!r) + return; + + QMenu *menu = r->create_view_context_menu(this, pos); + if (menu) + menu->popup(event->globalPos()); +} + void View::resizeEvent(QResizeEvent* event) { // Only adjust the top margin if we shrunk vertically @@ -1279,12 +1466,27 @@ void View::resizeEvent(QResizeEvent* event) void View::update_hover_point() { + // Determine signal that the mouse cursor is hovering over + signal_under_mouse_cursor_.reset(); + if (hover_widget_ == this) { + for (const shared_ptr& s : signals_) { + const pair extents = s->v_extents(); + const int top = s->get_visual_y() + extents.first; + const int btm = s->get_visual_y() + extents.second; + if ((hover_point_.y() >= top) && (hover_point_.y() <= btm) + && s->base()->enabled()) + signal_under_mouse_cursor_ = s; + } + } + + // Update all trace tree items const vector> trace_tree_items( list_by_type()); - for (shared_ptr r : trace_tree_items) + for (const shared_ptr& r : trace_tree_items) r->hover_point_changed(hover_point_); - hover_point_changed(hover_point_); + // Notify any other listeners + hover_point_changed(hover_widget_, hover_point_); } void View::row_item_appearance_changed(bool label, bool content) @@ -1314,6 +1516,7 @@ void View::extents_changed(bool horz, bool vert) (horz ? TraceTreeItemHExtentsChanged : 0) | (vert ? TraceTreeItemVExtentsChanged : 0); + lazy_event_handler_.stop(); lazy_event_handler_.start(); } @@ -1332,6 +1535,26 @@ void View::on_splitter_moved() resize_header_to_fit(); } +void View::on_zoom_in_shortcut_triggered() +{ + zoom(1); +} + +void View::on_zoom_out_shortcut_triggered() +{ + zoom(-1); +} + +void View::on_scroll_to_start_shortcut_triggered() +{ + set_h_offset(0); +} + +void View::on_scroll_to_end_shortcut_triggered() +{ + set_h_offset(get_h_scrollbar_maximum()); +} + void View::h_scroll_value_changed(int value) { if (updating_scroll_) @@ -1414,12 +1637,12 @@ void View::signals_changed() // Make a look-up table of sigrok Channels to pulseview Signals unordered_map, shared_ptr > signal_map; - for (const shared_ptr &sig : signals_) + for (const shared_ptr& sig : signals_) signal_map[sig->base()] = sig; // Populate channel groups if (sr_dev) - for (auto entry : sr_dev->channel_groups()) { + for (auto& entry : sr_dev->channel_groups()) { const shared_ptr &group = entry.second; if (group->channels().size() <= 1) @@ -1445,7 +1668,7 @@ void View::signals_changed() // Add the traces to the group const pair prev_v_extents = owner->v_extents(); int offset = prev_v_extents.second - prev_v_extents.first; - for (shared_ptr trace : new_traces_in_group) { + for (const shared_ptr& trace : new_traces_in_group) { assert(trace); owner->add_child_item(trace); @@ -1480,7 +1703,7 @@ void View::signals_changed() if (non_grouped_logic_signals.size() > 0) { const shared_ptr non_grouped_trace_group( make_shared()); - for (shared_ptr trace : non_grouped_logic_signals) + for (const shared_ptr& trace : non_grouped_logic_signals) non_grouped_trace_group->add_child_item(trace); non_grouped_trace_group->restack_items(); @@ -1498,7 +1721,7 @@ void View::signals_changed() add_traces.begin(), add_traces.end()); // Remove any removed traces - for (shared_ptr trace : remove_traces) { + for (const shared_ptr& trace : remove_traces) { TraceTreeItemOwner *const owner = trace->owner(); assert(owner); owner->remove_child_item(trace); @@ -1551,6 +1774,7 @@ void View::capture_state_updated(int state) set_time_unit(util::TimeUnit::Samples); trigger_markers_.clear(); + set_zero_position(0); scale_at_acq_start_ = scale_; offset_at_acq_start_ = offset_;