X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=c7944179ad5a7185de2dc3c0bf2a30c69ef09860;hp=9a46bab8c4c4d41ea9f91e36b05d84c96c05b9c7;hb=5f9b7de5c8c71801141d35497786bf57f75e3ca4;hpb=d9ea96280ab1128427143660ae375c30b19aa0cb diff --git a/pv/view/view.cpp b/pv/view/view.cpp index 9a46bab8..c7944179 100644 --- a/pv/view/view.cpp +++ b/pv/view/view.cpp @@ -14,8 +14,7 @@ * 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, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * along with this program; if not, see . */ #ifdef ENABLE_DECODE @@ -28,15 +27,18 @@ #include #include #include +#include #include -#include #include -#include +#include +#include +#include #include #include #include +#include #include #include @@ -52,19 +54,17 @@ #include "view.hpp" #include "viewport.hpp" -#include "pv/session.hpp" -#include "pv/devices/device.hpp" #include "pv/data/logic.hpp" #include "pv/data/logicsegment.hpp" +#include "pv/devices/device.hpp" +#include "pv/globalsettings.hpp" +#include "pv/session.hpp" #include "pv/util.hpp" #ifdef ENABLE_DECODE #include "decodetrace.hpp" #endif -using boost::shared_lock; -using boost::shared_mutex; - using pv::data::SignalData; using pv::data::Segment; using pv::util::TimeUnit; @@ -72,11 +72,9 @@ using pv::util::Timestamp; using std::back_inserter; using std::copy_if; -using std::deque; +using std::count_if; using std::dynamic_pointer_cast; using std::inserter; -using std::list; -using std::lock_guard; using std::max; using std::make_pair; using std::make_shared; @@ -85,28 +83,57 @@ using std::pair; using std::set; using std::set_difference; using std::shared_ptr; +using std::stringstream; using std::unordered_map; using std::unordered_set; using std::vector; -using std::weak_ptr; namespace pv { -namespace view { +namespace views { +namespace TraceView { const Timestamp View::MaxScale("1e9"); const Timestamp View::MinScale("1e-12"); const int View::MaxScrollValue = INT_MAX / 2; -const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling const int View::ScaleUnits[3] = {1, 2, 5}; -View::View(Session &session, QWidget *parent) : - QAbstractScrollArea(parent), - session_(session), + +CustomAbstractScrollArea::CustomAbstractScrollArea(QWidget *parent) : + QAbstractScrollArea(parent) +{ +} + +void CustomAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom) +{ + QAbstractScrollArea::setViewportMargins(left, top, right, bottom); +} + +bool CustomAbstractScrollArea::viewportEvent(QEvent *event) +{ + switch (event->type()) { + case QEvent::Paint: + case QEvent::MouseButtonPress: + case QEvent::MouseButtonRelease: + case QEvent::MouseButtonDblClick: + case QEvent::MouseMove: + case QEvent::Wheel: + case QEvent::TouchBegin: + case QEvent::TouchUpdate: + case QEvent::TouchEnd: + return false; + default: + return QAbstractScrollArea::viewportEvent(event); + } +} + +View::View(Session &session, bool is_main_view, QWidget *parent) : + ViewBase(session, is_main_view, parent), viewport_(new Viewport(*this)), ruler_(new Ruler(*this)), header_(new Header(*this)), + scrollarea_(this), scale_(1e-3), offset_(0), updating_scroll_(false), @@ -120,22 +147,18 @@ View::View(Session &session, QWidget *parent) : cursors_(new CursorPair(*this)), next_flag_text_('A'), trigger_markers_(), - hover_point_(-1, -1) + hover_point_(-1, -1), + scroll_needs_defaults_(false), + saved_v_offset_(0) { - connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), + GlobalSettings settings; + coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); + + connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(h_scroll_value_changed(int))); - connect(verticalScrollBar(), SIGNAL(valueChanged(int)), + connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(v_scroll_value_changed())); - connect(&session_, SIGNAL(signals_changed()), - this, SLOT(signals_changed())); - connect(&session_, SIGNAL(capture_state_changed(int)), - this, SLOT(capture_state_updated(int))); - connect(&session_, SIGNAL(data_received()), - this, SLOT(data_updated())); - connect(&session_, SIGNAL(frame_ended()), - this, SLOT(data_updated())); - connect(header_, SIGNAL(selection_changed()), ruler_, SLOT(clear_selection())); connect(ruler_, SIGNAL(selection_changed()), @@ -153,12 +176,13 @@ View::View(Session &session, QWidget *parent) : this, SLOT(process_sticky_events())); lazy_event_handler_.setSingleShot(true); - connect(&delayed_view_updater_, SIGNAL(timeout()), - this, SLOT(perform_delayed_view_update())); - delayed_view_updater_.setSingleShot(true); - delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); + /* To let the scroll area fill up the parent QWidget (this), we need a layout */ + QHBoxLayout *layout = new QHBoxLayout(this); + setLayout(layout); + layout->setContentsMargins(0, 0, 0, 0); + layout->addWidget(&scrollarea_); - setViewport(viewport_); + scrollarea_.setViewport(viewport_); viewport_->installEventFilter(this); ruler_->installEventFilter(this); @@ -186,6 +210,47 @@ const Session& View::session() const return session_; } +unordered_set< shared_ptr > View::signals() const +{ + return signals_; +} + +void View::clear_signals() +{ + ViewBase::clear_signalbases(); + signals_.clear(); +} + +void View::add_signal(const shared_ptr signal) +{ + ViewBase::add_signalbase(signal->base()); + signals_.insert(signal); +} + +#ifdef ENABLE_DECODE +void View::clear_decode_signals() +{ + decode_traces_.clear(); +} + +void View::add_decode_signal(shared_ptr signalbase) +{ + shared_ptr d( + new DecodeTrace(session_, signalbase, decode_traces_.size())); + decode_traces_.push_back(d); +} + +void View::remove_decode_signal(shared_ptr signalbase) +{ + for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) + if ((*i)->base() == signalbase) { + decode_traces_.erase(i); + signals_changed(); + return; + } +} +#endif + View* View::view() { return this; @@ -206,6 +271,57 @@ const Viewport* View::viewport() const return viewport_; } +void View::save_settings(QSettings &settings) const +{ + settings.setValue("scale", scale_); + settings.setValue("v_offset", + scrollarea_.verticalScrollBar()->sliderPosition()); + + stringstream ss; + boost::archive::text_oarchive oa(ss); + oa << boost::serialization::make_nvp("offset", offset_); + settings.setValue("offset", QString::fromStdString(ss.str())); + + for (shared_ptr signal : signals_) { + settings.beginGroup(signal->base()->internal_name()); + signal->save_settings(settings); + settings.endGroup(); + } +} + +void View::restore_settings(QSettings &settings) +{ + // Note: It is assumed that this function is only called once, + // immediately after restoring a previous session. + + if (settings.contains("scale")) + set_scale(settings.value("scale").toDouble()); + + if (settings.contains("offset")) { + util::Timestamp offset; + stringstream ss; + ss << settings.value("offset").toString().toStdString(); + + boost::archive::text_iarchive ia(ss); + ia >> boost::serialization::make_nvp("offset", offset); + + set_offset(offset); + } + + for (shared_ptr signal : signals_) { + settings.beginGroup(signal->base()->internal_name()); + signal->restore_settings(settings); + settings.endGroup(); + } + + if (settings.contains("v_offset")) { + saved_v_offset_ = settings.value("v_offset").toInt(); + set_v_offset(saved_v_offset_); + scroll_needs_defaults_ = false; + // Note: see eventFilter() for additional information + } +} + vector< shared_ptr > View::time_items() const { const vector> f(flags()); @@ -248,12 +364,12 @@ void View::set_offset(const pv::util::Timestamp& offset) int View::owner_visual_v_offset() const { - return -verticalScrollBar()->sliderPosition(); + return -scrollarea_.verticalScrollBar()->sliderPosition(); } void View::set_v_offset(int offset) { - verticalScrollBar()->setSliderPosition(offset); + scrollarea_.verticalScrollBar()->setSliderPosition(offset); header_->update(); viewport_->update(); } @@ -322,7 +438,7 @@ void View::zoom(double steps) void View::zoom(double steps, int offset) { - set_zoom(scale_ * pow(3.0/2.0, -steps), offset); + set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); } void View::zoom_fit(bool gui_state) @@ -397,11 +513,9 @@ void View::set_scale_offset(double scale, const Timestamp& offset) set< shared_ptr > View::get_visible_data() const { - const unordered_set< shared_ptr > sigs(session().signals()); - // Make a set of all the visible data objects set< shared_ptr > visible_data; - for (const shared_ptr sig : sigs) + for (const shared_ptr sig : signals_) if (sig->enabled()) visible_data.insert(sig->data()); @@ -413,8 +527,7 @@ 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) { - const vector< shared_ptr > segments = - d->segments(); + const vector< shared_ptr > segments = d->segments(); for (const shared_ptr &s : segments) { double samplerate = s->samplerate(); samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; @@ -436,38 +549,31 @@ pair View::get_time_extents() const return make_pair(*left_time, *right_time); } -void View::enable_sticky_scrolling(bool state) +void View::enable_show_sampling_points(bool state) { - sticky_scrolling_ = state; + (void)state; + + viewport_->update(); } -void View::enable_coloured_bg(bool state) +void View::enable_show_analog_minor_grid(bool state) { - const vector> items( - list_by_type()); - - for (shared_ptr i : items) { - // Can't cast to Trace because it's abstract, so we need to - // check for any derived classes individually - - shared_ptr a = dynamic_pointer_cast(i); - if (a) - a->set_coloured_bg(state); + (void)state; - shared_ptr l = dynamic_pointer_cast(i); - if (l) - l->set_coloured_bg(state); - -#ifdef ENABLE_DECODE - shared_ptr d = dynamic_pointer_cast(i); - if (d) - d->set_coloured_bg(state); -#endif - } + viewport_->update(); +} +void View::enable_coloured_bg(bool state) +{ + coloured_bg_ = state; viewport_->update(); } +bool View::coloured_bg() const +{ + return coloured_bg_; +} + bool View::cursors_shown() const { return show_cursors_; @@ -489,15 +595,15 @@ void View::centre_cursors() viewport_->update(); } -std::shared_ptr View::cursors() const +shared_ptr View::cursors() const { return cursors_; } void View::add_flag(const Timestamp& time) { - flags_.push_back(shared_ptr(new Flag(*this, time, - QString("%1").arg(next_flag_text_)))); + flags_.push_back(make_shared(*this, time, + QString("%1").arg(next_flag_text_))); next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : (next_flag_text_ + 1); @@ -505,15 +611,15 @@ void View::add_flag(const Timestamp& time) time_item_appearance_changed(true, true); } -void View::remove_flag(std::shared_ptr flag) +void View::remove_flag(shared_ptr flag) { flags_.remove(flag); time_item_appearance_changed(true, true); } -vector< std::shared_ptr > View::flags() const +vector< shared_ptr > View::flags() const { - vector< std::shared_ptr > flags(flags_.begin(), flags_.end()); + vector< shared_ptr > flags(flags_.begin(), flags_.end()); stable_sort(flags.begin(), flags.end(), [](const shared_ptr &a, const shared_ptr &b) { return a->time() < b->time(); @@ -527,13 +633,6 @@ const QPoint& View::hover_point() const return hover_point_; } -void View::update_viewport() -{ - assert(viewport_); - viewport_->update(); - header_->update(); -} - void View::restack_all_trace_tree_items() { // Make a list of owners that is sorted from deepest first @@ -551,12 +650,6 @@ void View::restack_all_trace_tree_items() for (auto &o : sorted_owners) o->restack_items(); - // Re-assign background colors - bool next_bgcolour_state = 0; - - for (auto &o : sorted_owners) - next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state); - // Animate the items to their destination for (const auto &i : items) i->animate_to_layout_v_offset(); @@ -564,8 +657,7 @@ void View::restack_all_trace_tree_items() void View::trigger_event(util::Timestamp location) { - trigger_markers_.push_back(shared_ptr( - new TriggerMarker(*this, location))); + trigger_markers_.push_back(make_shared(*this, location)); } void View::get_scroll_layout(double &length, Timestamp &offset) const @@ -635,7 +727,7 @@ void View::calculate_tick_spacing() // Precision is the number of fractional digits required, not // taking the prefix into account (and it must never be negative) - tick_precision = std::max(ceil(log10(1 / tick_period)).convert_to(), 0); + tick_precision = max(ceil(log10(1 / tick_period)).convert_to(), 0); tick_period_width = (tick_period / scale_).convert_to(); @@ -657,6 +749,8 @@ void View::calculate_tick_spacing() void View::update_scroll() { assert(viewport_); + QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar(); + QScrollBar *vscrollbar = scrollarea_.verticalScrollBar(); const QSize areaSize = viewport_->size(); @@ -668,35 +762,65 @@ void View::update_scroll() int major_tick_distance = (tick_period_ / scale_).convert_to(); - horizontalScrollBar()->setPageStep(areaSize.width() / 2); - horizontalScrollBar()->setSingleStep(major_tick_distance); + hscrollbar->setPageStep(areaSize.width() / 2); + hscrollbar->setSingleStep(major_tick_distance); updating_scroll_ = true; if (length < MaxScrollValue) { - horizontalScrollBar()->setRange(0, length); - horizontalScrollBar()->setSliderPosition(offset.convert_to()); + hscrollbar->setRange(0, length); + hscrollbar->setSliderPosition(offset.convert_to()); } else { - horizontalScrollBar()->setRange(0, MaxScrollValue); - horizontalScrollBar()->setSliderPosition( + hscrollbar->setRange(0, MaxScrollValue); + hscrollbar->setSliderPosition( (offset_ * MaxScrollValue / (scale_ * length)).convert_to()); } updating_scroll_ = false; // Set the vertical scrollbar - verticalScrollBar()->setPageStep(areaSize.height()); - verticalScrollBar()->setSingleStep(areaSize.height() / 8); + vscrollbar->setPageStep(areaSize.height()); + vscrollbar->setSingleStep(areaSize.height() / 8); const pair extents = v_extents(); - verticalScrollBar()->setRange(extents.first - (areaSize.height() / 2), - extents.second - (areaSize.height() / 2)); + + // Don't change the scrollbar range if there are no traces + if (extents.first != extents.second) + vscrollbar->setRange(extents.first - areaSize.height(), + extents.second); + + if (scroll_needs_defaults_) + set_scroll_default(); +} + +void View::reset_scroll() +{ + scrollarea_.verticalScrollBar()->setRange(0, 0); +} + +void View::set_scroll_default() +{ + assert(viewport_); + + const QSize areaSize = viewport_->size(); + + const pair extents = v_extents(); + const int trace_height = extents.second - extents.first; + + // Do all traces fit in the view? + if (areaSize.height() >= trace_height) + // Center all traces vertically + set_v_offset(extents.first - + ((areaSize.height() - trace_height) / 2)); + else + // Put the first trace at the top, letting the bottom ones overflow + set_v_offset(extents.first); } void View::update_layout() { - setViewportMargins( - header_->sizeHint().width() - pv::view::Header::BaselineOffset, + scrollarea_.setViewportMargins( + header_->sizeHint().width() - Header::BaselineOffset, ruler_->sizeHint().height(), 0, 0); ruler_->setGeometry(viewport_->x(), 0, viewport_->width(), ruler_->extended_size_hint().height()); @@ -705,22 +829,9 @@ void View::update_layout() update_scroll(); } -void View::paint_label(QPainter &p, const QRect &rect, bool hover) -{ - (void)p; - (void)rect; - (void)hover; -} - -QRectF View::label_rect(const QRectF &rect) -{ - (void)rect; - return QRectF(); -} - TraceTreeItemOwner* View::find_prevalent_trace_group( const shared_ptr &group, - const unordered_map, shared_ptr > + const unordered_map, shared_ptr > &signal_map) { assert(group); @@ -730,20 +841,20 @@ TraceTreeItemOwner* View::find_prevalent_trace_group( // Make a set and a list of all the owners for (const auto &channel : group->channels()) { - const auto iter = signal_map.find(channel); - if (iter == signal_map.end()) - continue; - - TraceTreeItemOwner *const o = (*iter).second->owner(); - owner_list.push_back(o); - owners.insert(o); + for (auto entry : signal_map) { + if (entry.first->channel() == channel) { + TraceTreeItemOwner *const o = (entry.second)->owner(); + owner_list.push_back(o); + owners.insert(o); + } + } } // Iterate through the list of owners, and find the most prevalent size_t max_prevalence = 0; TraceTreeItemOwner *prevalent_owner = nullptr; for (TraceTreeItemOwner *owner : owners) { - const size_t prevalence = std::count_if( + const size_t prevalence = count_if( owner_list.begin(), owner_list.end(), [&](TraceTreeItemOwner *o) { return o == owner; }); if (prevalence > max_prevalence) { @@ -757,24 +868,24 @@ TraceTreeItemOwner* View::find_prevalent_trace_group( vector< shared_ptr > View::extract_new_traces_for_channels( const vector< shared_ptr > &channels, - const unordered_map, shared_ptr > + const unordered_map, shared_ptr > &signal_map, set< shared_ptr > &add_list) { vector< shared_ptr > filtered_traces; for (const auto &channel : channels) { - const auto map_iter = signal_map.find(channel); - if (map_iter == signal_map.end()) - continue; - - shared_ptr trace = (*map_iter).second; - const auto list_iter = add_list.find(trace); - if (list_iter == add_list.end()) - continue; - - filtered_traces.push_back(trace); - add_list.erase(list_iter); + for (auto entry : signal_map) { + if (entry.first->channel() == channel) { + shared_ptr trace = entry.second; + const auto list_iter = add_list.find(trace); + if (list_iter == add_list.end()) + continue; + + filtered_traces.push_back(trace); + add_list.erase(list_iter); + } + } } return filtered_traces; @@ -784,10 +895,8 @@ 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) { - const unordered_set< shared_ptr > sigs(session().signals()); - // Check all signals but... - for (const shared_ptr signal : sigs) { + for (const shared_ptr signal : signals_) { const shared_ptr data = signal->data(); // ...only check first segment of each @@ -821,27 +930,29 @@ bool View::eventFilter(QObject *object, QEvent *event) } else if (type == QEvent::Leave) { hover_point_ = QPoint(-1, -1); hover_point_changed(); - } + } else if (type == QEvent::Show) { + + // This is somewhat of a hack, unfortunately. We cannot use + // set_v_offset() from within restore_settings() as the view + // at that point is neither visible nor properly sized. + // This is the least intrusive workaround I could come up + // with: set the vertical offset (or scroll defaults) when + // the view is shown, which happens after all widgets were + // resized to their final sizes. + update_layout(); - return QObject::eventFilter(object, event); -} + if (scroll_needs_defaults_) { + set_scroll_default(); + scroll_needs_defaults_ = false; + } -bool View::viewportEvent(QEvent *event) -{ - switch (event->type()) { - case QEvent::Paint: - case QEvent::MouseButtonPress: - case QEvent::MouseButtonRelease: - case QEvent::MouseButtonDblClick: - case QEvent::MouseMove: - case QEvent::Wheel: - case QEvent::TouchBegin: - case QEvent::TouchUpdate: - case QEvent::TouchEnd: - return false; - default: - return QAbstractScrollArea::viewportEvent(event); + if (saved_v_offset_) { + set_v_offset(saved_v_offset_); + saved_v_offset_ = 0; + } } + + return QObject::eventFilter(object, event); } void View::resizeEvent(QResizeEvent*) @@ -870,6 +981,7 @@ void View::extents_changed(bool horz, bool vert) sticky_events_ |= (horz ? TraceTreeItemHExtentsChanged : 0) | (vert ? TraceTreeItemVExtentsChanged : 0); + lazy_event_handler_.start(); } @@ -885,7 +997,7 @@ void View::h_scroll_value_changed(int value) sticky_scrolling_changed(false); } - const int range = horizontalScrollBar()->maximum(); + const int range = scrollarea_.horizontalScrollBar()->maximum(); if (range < MaxScrollValue) set_offset(scale_ * value); else { @@ -909,17 +1021,25 @@ void View::signals_changed() { using sigrok::Channel; - vector< shared_ptr > new_top_level_items; + vector< shared_ptr > channels; + shared_ptr sr_dev; - const auto device = session_.device(); - if (!device) - return; + // Do we need to set the vertical scrollbar to its default position later? + // We do if there are no traces, i.e. the scroll bar has no range set + bool reset_scrollbar = + (scrollarea_.verticalScrollBar()->minimum() == + scrollarea_.verticalScrollBar()->maximum()); - shared_ptr sr_dev = device->device(); - assert(sr_dev); + if (!session_.device()) { + reset_scroll(); + signals_.clear(); + } else { + sr_dev = session_.device()->device(); + assert(sr_dev); + channels = sr_dev->channels(); + } - const vector< shared_ptr > channels( - sr_dev->channels()); + vector< shared_ptr > new_top_level_items; // Make a list of traces that are being added, and a list of traces // that are being removed @@ -927,14 +1047,10 @@ void View::signals_changed() const set> prev_traces( prev_trace_list.begin(), prev_trace_list.end()); - const unordered_set< shared_ptr > sigs(session_.signals()); - - set< shared_ptr > traces(sigs.begin(), sigs.end()); + set< shared_ptr > traces(signals_.begin(), signals_.end()); #ifdef ENABLE_DECODE - const vector< shared_ptr > decode_traces( - session().get_decode_signals()); - traces.insert(decode_traces.begin(), decode_traces.end()); + traces.insert(decode_traces_.begin(), decode_traces_.end()); #endif set< shared_ptr > add_traces; @@ -948,74 +1064,84 @@ void View::signals_changed() inserter(remove_traces, remove_traces.begin())); // Make a look-up table of sigrok Channels to pulseview Signals - unordered_map, shared_ptr > + unordered_map, shared_ptr > signal_map; - for (const shared_ptr &sig : sigs) - signal_map[sig->channel()] = sig; + for (const shared_ptr &sig : signals_) + signal_map[sig->base()] = sig; // Populate channel groups - for (auto entry : sr_dev->channel_groups()) { - const shared_ptr &group = entry.second; - - if (group->channels().size() <= 1) - continue; - - // Find best trace group to add to - TraceTreeItemOwner *owner = find_prevalent_trace_group( - group, signal_map); - - // If there is no trace group, create one - shared_ptr new_trace_group; - if (!owner) { - new_trace_group.reset(new TraceGroup()); - owner = new_trace_group.get(); + if (sr_dev) + for (auto entry : sr_dev->channel_groups()) { + const shared_ptr &group = entry.second; + + if (group->channels().size() <= 1) + continue; + + // Find best trace group to add to + TraceTreeItemOwner *owner = find_prevalent_trace_group( + group, signal_map); + + // If there is no trace group, create one + shared_ptr new_trace_group; + if (!owner) { + new_trace_group.reset(new TraceGroup()); + owner = new_trace_group.get(); + } + + // Extract traces for the trace group, removing them from + // the add list + const vector< shared_ptr > new_traces_in_group = + extract_new_traces_for_channels(group->channels(), + signal_map, add_traces); + + // 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) { + assert(trace); + owner->add_child_item(trace); + + const pair extents = trace->v_extents(); + if (trace->enabled()) + offset += -extents.first; + trace->force_to_v_offset(offset); + if (trace->enabled()) + offset += extents.second; + } + + if (new_trace_group) { + // Assign proper vertical offsets to each channel in the group + new_trace_group->restack_items(); + + // If this is a new group, enqueue it in the new top level + // items list + if (!new_traces_in_group.empty()) + new_top_level_items.push_back(new_trace_group); + } } - // Extract traces for the trace group, removing them from - // the add list - const vector< shared_ptr > new_traces_in_group = - extract_new_traces_for_channels(group->channels(), - signal_map, add_traces); - - // 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) { - assert(trace); - owner->add_child_item(trace); - - const pair extents = trace->v_extents(); - if (trace->enabled()) - offset += -extents.first; - trace->force_to_v_offset(offset); - if (trace->enabled()) - offset += extents.second; - } - - // If this is a new group, enqueue it in the new top level - // items list - if (!new_traces_in_group.empty() && new_trace_group) - new_top_level_items.push_back(new_trace_group); - } - // Enqueue the remaining logic channels in a group vector< shared_ptr > logic_channels; copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), [](const shared_ptr& c) { return c->type() == sigrok::ChannelType::LOGIC; }); + const vector< shared_ptr > non_grouped_logic_signals = - extract_new_traces_for_channels(logic_channels, - signal_map, add_traces); - const shared_ptr non_grouped_trace_group( - make_shared()); - for (shared_ptr trace : non_grouped_logic_signals) - non_grouped_trace_group->add_child_item(trace); - new_top_level_items.push_back(non_grouped_trace_group); + extract_new_traces_for_channels(logic_channels, signal_map, add_traces); + + if (non_grouped_logic_signals.size() > 0) { + const shared_ptr non_grouped_trace_group( + make_shared()); + for (shared_ptr trace : non_grouped_logic_signals) + non_grouped_trace_group->add_child_item(trace); + + non_grouped_trace_group->restack_items(); + new_top_level_items.push_back(non_grouped_trace_group); + } // Enqueue the remaining channels as free ungrouped traces const vector< shared_ptr > new_top_level_signals = - extract_new_traces_for_channels(channels, - signal_map, add_traces); + extract_new_traces_for_channels(channels, signal_map, add_traces); new_top_level_items.insert(new_top_level_items.end(), new_top_level_signals.begin(), new_top_level_signals.end()); @@ -1030,16 +1156,26 @@ void View::signals_changed() owner->remove_child_item(trace); } + // Remove any empty trace groups + for (shared_ptr group : list_by_type()) + if (group->child_items().size() == 0) { + remove_child_item(group); + group.reset(); + } + // Add and position the pending top levels items + int offset = v_extents().second; for (auto item : new_top_level_items) { add_child_item(item); - // Position the item after the last present item - int offset = v_extents().second; + // Position the item after the last item or at the top if there is none const pair extents = item->v_extents(); + if (item->enabled()) offset += -extents.first; + item->force_to_v_offset(offset); + if (item->enabled()) offset += extents.second; } @@ -1048,6 +1184,9 @@ void View::signals_changed() header_->update(); viewport_->update(); + + if (reset_scrollbar) + set_scroll_default(); } void View::capture_state_updated(int state) @@ -1056,6 +1195,19 @@ void View::capture_state_updated(int state) set_time_unit(util::TimeUnit::Samples); trigger_markers_.clear(); + + // Activate "always zoom to fit" if the setting is enabled and we're + // the main view of this session (other trace views may be used for + // zooming and we don't want to mess them up) + GlobalSettings settings; + bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool(); + if (is_main_view_ && state) { + always_zoom_to_fit_ = true; + always_zoom_to_fit_changed(always_zoom_to_fit_); + } + + // Enable sticky scrolling if the setting is enabled + sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); } if (state == Session::Stopped) { @@ -1065,31 +1217,19 @@ void View::capture_state_updated(int state) // Reset "always zoom to fit", the acquisition has stopped if (always_zoom_to_fit_) { + // Perform a final zoom-to-fit before disabling + zoom_fit(always_zoom_to_fit_); always_zoom_to_fit_ = false; - always_zoom_to_fit_changed(false); + always_zoom_to_fit_changed(always_zoom_to_fit_); } } } -void View::data_updated() -{ - if (always_zoom_to_fit_ || sticky_scrolling_) { - if (!delayed_view_updater_.isActive()) - delayed_view_updater_.start(); - } else { - determine_time_unit(); - update_scroll(); - ruler_->update(); - viewport_->update(); - } -} - void View::perform_delayed_view_update() { - if (always_zoom_to_fit_) + if (always_zoom_to_fit_) { zoom_fit(true); - - if (sticky_scrolling_) { + } else if (sticky_scrolling_) { // Make right side of the view sticky double length = 0; Timestamp offset; @@ -1128,5 +1268,6 @@ void View::on_hover_point_changed() r->hover_point_changed(); } -} // namespace view +} // namespace TraceView +} // namespace views } // namespace pv