#include <cassert>
#include <climits>
#include <cmath>
+#include <iostream>
#include <iterator>
#include <mutex>
#include <unordered_set>
+#include <boost/archive/text_iarchive.hpp>
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/serialization/serialization.hpp>
#include <boost/thread/locks.hpp>
#include <QApplication>
+#include <QHBoxLayout>
#include <QEvent>
#include <QFontMetrics>
#include <QMouseEvent>
#include <libsigrokcxx/libsigrokcxx.hpp>
#include "analogsignal.hpp"
-#include "decodetrace.hpp"
#include "header.hpp"
#include "logicsignal.hpp"
#include "ruler.hpp"
#include "pv/data/logicsegment.hpp"
#include "pv/util.hpp"
+#ifdef ENABLE_DECODE
+#include "decodetrace.hpp"
+#endif
+
using boost::shared_lock;
using boost::shared_mutex;
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::ScaleUnits[3] = {1, 2, 5};
+
+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, QWidget *parent) :
- QAbstractScrollArea(parent),
- session_(session),
+ ViewBase(session, parent),
viewport_(new Viewport(*this)),
ruler_(new Ruler(*this)),
header_(new Header(*this)),
+ scrollarea_(this),
scale_(1e-3),
offset_(0),
updating_scroll_(false),
trigger_markers_(),
hover_point_(-1, -1)
{
- connect(horizontalScrollBar(), SIGNAL(valueChanged(int)),
+ 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()),
delayed_view_updater_.setSingleShot(true);
delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
- setViewport(viewport_);
+ /* 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_);
+
+ scrollarea_.setViewport(viewport_);
viewport_->installEventFilter(this);
ruler_->installEventFilter(this);
return session_;
}
+std::unordered_set< std::shared_ptr<Signal> > View::signals() const
+{
+ return signals_;
+}
+
+void View::clear_signals()
+{
+ signals_.clear();
+}
+
+void View::add_signal(const shared_ptr<Signal> signal)
+{
+ signals_.insert(signal);
+}
+
+#ifdef ENABLE_DECODE
+void View::clear_decode_signals()
+{
+ decode_traces_.clear();
+}
+
+void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase)
+{
+ shared_ptr<DecodeTrace> d(
+ new DecodeTrace(session_, signalbase, decode_traces_.size()));
+ decode_traces_.push_back(d);
+}
+
+void View::remove_decode_signal(shared_ptr<data::SignalBase> 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;
return viewport_;
}
-const QSize View::header_size() const
+void View::save_settings(QSettings &settings) const
{
- return header_->sizeHint();
+ settings.setValue("scale", scale_);
+
+ std::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> signal : signals_) {
+ settings.beginGroup(signal->base()->internal_name());
+ signal->save_settings(settings);
+ settings.endGroup();
+ }
+}
+
+void View::restore_settings(QSettings &settings)
+{
+ if (settings.contains("scale"))
+ set_scale(settings.value("scale").toDouble());
+
+ if (settings.contains("offset")) {
+ util::Timestamp offset;
+ std::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> signal : signals_) {
+ settings.beginGroup(signal->base()->internal_name());
+ signal->restore_settings(settings);
+ settings.endGroup();
+ }
}
vector< shared_ptr<TimeItem> > View::time_items() const
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();
}
set< shared_ptr<SignalData> > View::get_visible_data() const
{
- const unordered_set< shared_ptr<Signal> > sigs(session().signals());
-
// Make a set of all the visible data objects
set< shared_ptr<SignalData> > visible_data;
- for (const shared_ptr<Signal> sig : sigs)
+ for (const shared_ptr<Signal> sig : signals_)
if (sig->enabled())
visible_data.insert(sig->data());
if (l)
l->set_coloured_bg(state);
+#ifdef ENABLE_DECODE
shared_ptr<DecodeTrace> d = dynamic_pointer_cast<DecodeTrace>(i);
if (d)
d->set_coloured_bg(state);
+#endif
}
viewport_->update();
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
void View::update_scroll()
{
assert(viewport_);
+ QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar();
+ QScrollBar *vscrollbar = scrollarea_.verticalScrollBar();
const QSize areaSize = viewport_->size();
int major_tick_distance = (tick_period_ / scale_).convert_to<int>();
- 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<double>());
+ hscrollbar->setRange(0, length);
+ hscrollbar->setSliderPosition(offset.convert_to<double>());
} else {
- horizontalScrollBar()->setRange(0, MaxScrollValue);
- horizontalScrollBar()->setSliderPosition(
+ hscrollbar->setRange(0, MaxScrollValue);
+ hscrollbar->setSliderPosition(
(offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>());
}
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<int, int> 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();
+
+ // Special case: when starting up and the window isn't visible yet,
+ // areaSize is [0, 0]. In this case we want to be called again later
+ if (areaSize.height() == 0) {
+ scroll_needs_defaults = true;
+ return;
+ } else {
+ scroll_needs_defaults = false;
+ }
+
+ const pair<int, int> 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());
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<sigrok::ChannelGroup> &group,
- const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> >
+ const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> >
&signal_map)
{
assert(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
vector< shared_ptr<Trace> > View::extract_new_traces_for_channels(
const vector< shared_ptr<sigrok::Channel> > &channels,
- const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> >
+ const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> >
&signal_map,
set< shared_ptr<Trace> > &add_list)
{
vector< shared_ptr<Trace> > 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> 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> 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;
{
// 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<Signal> > sigs(session().signals());
-
// Check all signals but...
- for (const shared_ptr<Signal> signal : sigs) {
+ for (const shared_ptr<Signal> signal : signals_) {
const shared_ptr<SignalData> data = signal->data();
// ...only check first segment of each
return QObject::eventFilter(object, event);
}
-bool View::viewportEvent(QEvent *e)
-{
- switch (e->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(e);
- }
-}
-
void View::resizeEvent(QResizeEvent*)
{
update_layout();
sticky_scrolling_changed(false);
}
- const int range = horizontalScrollBar()->maximum();
+ const int range = scrollarea_.horizontalScrollBar()->maximum();
if (range < MaxScrollValue)
set_offset(scale_ * value);
else {
{
using sigrok::Channel;
- vector< shared_ptr<TraceTreeItem> > new_top_level_items;
+ vector< shared_ptr<Channel> > channels;
+ shared_ptr<sigrok::Device> 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<sigrok::Device> 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<Channel> > channels(
- sr_dev->channels());
+ vector< shared_ptr<TraceTreeItem> > new_top_level_items;
// Make a list of traces that are being added, and a list of traces
// that are being removed
const set<shared_ptr<Trace>> prev_traces(
prev_trace_list.begin(), prev_trace_list.end());
- const unordered_set< shared_ptr<Signal> > sigs(session_.signals());
-
- set< shared_ptr<Trace> > traces(sigs.begin(), sigs.end());
+ set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end());
#ifdef ENABLE_DECODE
- const vector< shared_ptr<DecodeTrace> > 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<Trace> > add_traces;
inserter(remove_traces, remove_traces.begin()));
// Make a look-up table of sigrok Channels to pulseview Signals
- unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> >
+ unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> >
signal_map;
- for (const shared_ptr<Signal> &sig : sigs)
- signal_map[sig->channel()] = sig;
+ for (const shared_ptr<Signal> &sig : signals_)
+ signal_map[sig->base()] = sig;
// Populate channel groups
- for (auto entry : sr_dev->channel_groups()) {
- const shared_ptr<sigrok::ChannelGroup> &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<TraceGroup> 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<Trace> > new_traces_in_group =
- extract_new_traces_for_channels(group->channels(),
- signal_map, add_traces);
-
- // Add the traces to the group
- const pair<int, int> prev_v_extents = owner->v_extents();
- int offset = prev_v_extents.second - prev_v_extents.first;
- for (shared_ptr<Trace> trace : new_traces_in_group) {
- assert(trace);
- owner->add_child_item(trace);
-
- const pair<int, int> extents = trace->v_extents();
- if (trace->enabled())
- offset += -extents.first;
- trace->force_to_v_offset(offset);
- if (trace->enabled())
- offset += extents.second;
+ if (sr_dev)
+ for (auto entry : sr_dev->channel_groups()) {
+ const shared_ptr<sigrok::ChannelGroup> &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<TraceGroup> 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<Trace> > new_traces_in_group =
+ extract_new_traces_for_channels(group->channels(),
+ signal_map, add_traces);
+
+ // Add the traces to the group
+ const pair<int, int> prev_v_extents = owner->v_extents();
+ int offset = prev_v_extents.second - prev_v_extents.first;
+ for (shared_ptr<Trace> trace : new_traces_in_group) {
+ assert(trace);
+ owner->add_child_item(trace);
+
+ const pair<int, int> 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);
+ }
}
- // 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<Channel> > logic_channels;
copy_if(channels.begin(), channels.end(), back_inserter(logic_channels),
[](const shared_ptr<Channel>& c) {
return c->type() == sigrok::ChannelType::LOGIC; });
+
const vector< shared_ptr<Trace> > non_grouped_logic_signals =
- extract_new_traces_for_channels(logic_channels,
- signal_map, add_traces);
- const shared_ptr<TraceGroup> non_grouped_trace_group(
- make_shared<TraceGroup>());
- for (shared_ptr<Trace> 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<TraceGroup> non_grouped_trace_group(
+ make_shared<TraceGroup>());
+ for (shared_ptr<Trace> 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<Trace> > 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());
owner->remove_child_item(trace);
}
+ // Remove any empty trace groups
+ for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>())
+ if (group->child_items().size() == 0) {
+ remove_child_item(group);
+ group.reset();
+ }
+
// Add and position the pending top levels items
for (auto item : new_top_level_items) {
add_child_item(item);
- // Position the item after the last present item
+ // Position the item after the last item or at the top if there is none
int offset = v_extents().second;
const pair<int, int> extents = item->v_extents();
+
if (item->enabled())
offset += -extents.first;
+
item->force_to_v_offset(offset);
+
if (item->enabled())
offset += extents.second;
}
header_->update();
viewport_->update();
+
+ if (reset_scrollbar)
+ set_scroll_default();
}
void View::capture_state_updated(int state)
r->hover_point_changed();
}
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv