using std::make_pair;
using std::min;
using std::none_of;
+using std::out_of_range;
using std::pair;
using std::shared_ptr;
using std::vector;
using sigrok::TriggerMatch;
using sigrok::TriggerMatchType;
+using pv::data::LogicSegment;
+
namespace pv {
namespace views {
namespace trace {
const float LogicSignal::Oversampling = 2.0f;
-const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
-const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
-const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
-const QColor LogicSignal::SamplingPointColour(0x77, 0x77, 0x77);
+const QColor LogicSignal::EdgeColor(0x80, 0x80, 0x80);
+const QColor LogicSignal::HighColor(0x00, 0xC0, 0x00);
+const QColor LogicSignal::LowColor(0xC0, 0x00, 0x00);
+const QColor LogicSignal::SamplingPointColor(0x77, 0x77, 0x77);
-const QColor LogicSignal::SignalColours[10] = {
+const QColor LogicSignal::SignalColors[10] = {
QColor(0x16, 0x19, 0x1A), // Black
QColor(0x8F, 0x52, 0x02), // Brown
QColor(0xCC, 0x00, 0x00), // Red
QColor(0xEE, 0xEE, 0xEC), // White
};
-QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
+QColor LogicSignal::TriggerMarkerBackgroundColor = QColor(0xED, 0xD4, 0x00);
const int LogicSignal::TriggerMarkerPadding = 2;
const char* LogicSignal::TriggerMarkerIcons[8] = {
nullptr,
shared_ptr<devices::Device> device,
shared_ptr<data::SignalBase> base) :
Signal(session, base),
- signal_height_(QFontMetrics(QApplication::font()).height() * 2),
device_(device),
+ trigger_types_(get_trigger_types()),
trigger_none_(nullptr),
trigger_rising_(nullptr),
trigger_high_(nullptr),
{
shared_ptr<Trigger> trigger;
- base_->set_colour(SignalColours[base->index() % countof(SignalColours)]);
+ base_->set_color(SignalColors[base->index() % countof(SignalColors)]);
+
+ GlobalSettings gs;
+ signal_height_ = gs.value(GlobalSettings::Key_View_DefaultLogicHeight).toInt();
/* Populate this channel's trigger setting with whatever we
* find in the current session trigger, if anything. */
return base_->logic_data();
}
-pair<int, int> LogicSignal::v_extents() const
+void LogicSignal::save_settings(QSettings &settings) const
{
- const int signal_margin =
- QFontMetrics(QApplication::font()).height() / 2;
- return make_pair(-signal_height_ - signal_margin, signal_margin);
+ settings.setValue("trace_height", signal_height_);
}
-int LogicSignal::scale_handle_offset() const
+void LogicSignal::restore_settings(QSettings &settings)
{
- return -signal_height_;
+ if (settings.contains("trace_height")) {
+ const int old_height = signal_height_;
+ signal_height_ = settings.value("trace_height").toInt();
+
+ if ((signal_height_ != old_height) && owner_) {
+ // Call order is important, otherwise the lazy event handler won't work
+ owner_->extents_changed(false, true);
+ owner_->row_item_appearance_changed(false, true);
+ }
+ }
}
-void LogicSignal::scale_handle_dragged(int offset)
+pair<int, int> LogicSignal::v_extents() const
{
- const int font_height = QFontMetrics(QApplication::font()).height();
- const int units = (-offset / font_height);
- signal_height_ = ((units < 1) ? 1 : units) * font_height;
+ const int signal_margin =
+ QFontMetrics(QApplication::font()).height() / 2;
+ return make_pair(-signal_height_ - signal_margin, signal_margin);
}
void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
if (!base_->enabled())
return;
- const float high_offset = y - signal_height_ + 0.5f;
const float low_offset = y + 0.5f;
+ const float high_offset = low_offset - signal_height_;
- const deque< shared_ptr<pv::data::LogicSegment> > &segments =
- base_->logic_data()->logic_segments();
- if (segments.empty())
+ shared_ptr<LogicSegment> segment = get_logic_segment_to_paint();
+ if (!segment || (segment->get_sample_count() == 0))
return;
- const shared_ptr<pv::data::LogicSegment> &segment = segments.front();
-
double samplerate = segment->samplerate();
// Show sample rate as 1Hz when it is unknown
const double pixels_offset = pp.pixels_offset();
const pv::util::Timestamp& start_time = segment->start_time();
- const int64_t last_sample = segment->get_sample_count() - 1;
+ const int64_t last_sample = (int64_t)segment->get_sample_count() - 1;
const double samples_per_pixel = samplerate * pp.scale();
const double pixels_per_sample = 1 / samples_per_pixel;
const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
samples_per_pixel / Oversampling, base_->index());
assert(edges.size() >= 2);
+ const float first_sample_x =
+ pp.left() + (edges.front().first / samples_per_pixel - pixels_offset);
+ const float last_sample_x =
+ pp.left() + (edges.back().first / samples_per_pixel - pixels_offset);
+
// Check whether we need to paint the sampling points
GlobalSettings settings;
const bool show_sampling_points =
(samples_per_pixel < 0.25);
vector<QRectF> sampling_points;
- float sampling_point_x = 0.0f;
+ float sampling_point_x = first_sample_x;
int64_t sampling_point_sample = start_sample;
const int w = 2;
- if (show_sampling_points) {
+ if (show_sampling_points)
sampling_points.reserve(end_sample - start_sample + 1);
- sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
- }
+
+ // Check whether we need to fill the high areas
+ const bool fill_high_areas =
+ settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool();
+ vector<QRectF> high_rects;
+ float rising_edge_x;
+ bool rising_edge_seen = false;
// Paint the edges
const unsigned int edge_count = edges.size() - 2;
QLineF *const edge_lines = new QLineF[edge_count];
line = edge_lines;
+ if (edges.front().second) {
+ // Beginning of trace is high
+ rising_edge_x = first_sample_x;
+ rising_edge_seen = true;
+ }
+
for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
- const float x = ((*i).first / samples_per_pixel -
- pixels_offset) + pp.left();
+ // Note: multiple edges occupying a single pixel are represented by an edge
+ // with undefined logic level. This means that only the first falling edge
+ // after a rising edge corresponds to said rising edge - and vice versa. If
+ // more edges with the same logic level follow, they denote multiple edges.
+
+ const float x = pp.left() + ((*i).first / samples_per_pixel - pixels_offset);
*line++ = QLineF(x, high_offset, x, low_offset);
+ if (fill_high_areas) {
+ // Any edge terminates a high area
+ if (rising_edge_seen) {
+ const int width = x - rising_edge_x;
+ if (width > 0)
+ high_rects.emplace_back(rising_edge_x, high_offset,
+ width, signal_height_);
+ rising_edge_seen = false;
+ }
+
+ // Only rising edges start high areas
+ if ((*i).second) {
+ rising_edge_x = x;
+ rising_edge_seen = true;
+ }
+ }
+
if (show_sampling_points)
while (sampling_point_sample < (*i).first) {
const float y = (*i).second ? low_offset : high_offset;
sampling_point_x += pixels_per_sample;
};
- p.setPen(EdgeColour);
+ if (fill_high_areas) {
+ // Add last high rectangle if the signal is still high at the end of the trace
+ if (rising_edge_seen && (edges.cend() - 1)->second)
+ high_rects.emplace_back(rising_edge_x, high_offset,
+ last_sample_x - rising_edge_x, signal_height_);
+
+ const QColor fill_color = QColor::fromRgba(settings.value(
+ GlobalSettings::Key_View_FillSignalHighAreaColor).value<uint32_t>());
+ p.setPen(fill_color);
+ p.setBrush(fill_color);
+ p.drawRects((const QRectF*)(high_rects.data()), high_rects.size());
+ }
+
+ p.setPen(EdgeColor);
p.drawLines(edge_lines, edge_count);
delete[] edge_lines;
const unsigned int max_cap_line_count = edges.size();
QLineF *const cap_lines = new QLineF[max_cap_line_count];
- p.setPen(HighColour);
+ p.setPen(HighColor);
paint_caps(p, cap_lines, edges, true, samples_per_pixel,
pixels_offset, pp.left(), high_offset);
- p.setPen(LowColour);
+ p.setPen(LowColor);
paint_caps(p, cap_lines, edges, false, samples_per_pixel,
pixels_offset, pp.left(), low_offset);
// Paint the sampling points
if (show_sampling_points) {
- p.setPen(SamplingPointColour);
+ p.setPen(SamplingPointColor);
p.drawRects(sampling_points.data(), sampling_points.size());
}
}
void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
{
- // Draw the trigger marker
- if (!trigger_match_ || !base_->enabled())
- return;
+ if (base_->enabled()) {
+ if (trigger_match_) {
+ // Draw the trigger marker
+ const int y = get_visual_y();
+
+ for (int32_t type_id : trigger_types_) {
+ const TriggerMatchType *const type =
+ TriggerMatchType::get(type_id);
+ if (trigger_match_ != type || type_id < 0 ||
+ (size_t)type_id >= countof(TriggerMarkerIcons) ||
+ !TriggerMarkerIcons[type_id])
+ continue;
- const int y = get_visual_y();
- const vector<int32_t> trig_types = get_trigger_types();
- for (int32_t type_id : trig_types) {
- const TriggerMatchType *const type =
- TriggerMatchType::get(type_id);
- if (trigger_match_ != type || type_id < 0 ||
- (size_t)type_id >= countof(TriggerMarkerIcons) ||
- !TriggerMarkerIcons[type_id])
- continue;
-
- const QPixmap *const pixmap = get_pixmap(
- TriggerMarkerIcons[type_id]);
- if (!pixmap)
- continue;
-
- const float pad = TriggerMarkerPadding - 0.5f;
- const QSize size = pixmap->size();
- const QPoint point(
- pp.right() - size.width() - pad * 2,
- y - (signal_height_ + size.height()) / 2);
-
- p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
- p.setBrush(TriggerMarkerBackgroundColour);
- p.drawRoundedRect(QRectF(point, size).adjusted(
- -pad, -pad, pad, pad), pad, pad);
- p.drawPixmap(point, *pixmap);
-
- break;
+ const QPixmap *const pixmap = get_pixmap(
+ TriggerMarkerIcons[type_id]);
+ if (!pixmap)
+ continue;
+
+ const float pad = TriggerMarkerPadding - 0.5f;
+ const QSize size = pixmap->size();
+ const QPoint point(
+ pp.right() - size.width() - pad * 2,
+ y - (signal_height_ + size.height()) / 2);
+
+ p.setPen(QPen(TriggerMarkerBackgroundColor.darker()));
+ p.setBrush(TriggerMarkerBackgroundColor);
+ p.drawRoundedRect(QRectF(point, size).adjusted(
+ -pad, -pad, pad, pad), pad, pad);
+ p.drawPixmap(point, *pixmap);
+
+ break;
+ }
+ }
+
+ if (show_hover_marker_)
+ paint_hover_marker(p);
}
}
+vector<LogicSegment::EdgePair> LogicSignal::get_nearest_level_changes(uint64_t sample_pos)
+{
+ assert(base_);
+ assert(owner_);
+
+ if (sample_pos == 0)
+ return vector<LogicSegment::EdgePair>();
+
+ shared_ptr<LogicSegment> segment = get_logic_segment_to_paint();
+ if (!segment || (segment->get_sample_count() == 0))
+ return vector<LogicSegment::EdgePair>();
+
+ const View *view = owner_->view();
+ assert(view);
+ const double samples_per_pixel = base_->get_samplerate() * view->scale();
+
+ vector<LogicSegment::EdgePair> edges;
+
+ segment->get_surrounding_edges(edges, sample_pos,
+ samples_per_pixel / Oversampling, base_->index());
+
+ if (edges.empty())
+ return vector<LogicSegment::EdgePair>();
+
+ return edges;
+}
+
void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
vector< pair<int64_t, bool> > &edges, bool level,
double samples_per_pixel, double pixels_offset, float x_offset,
p.drawLines(lines, line - lines);
}
+shared_ptr<pv::data::LogicSegment> LogicSignal::get_logic_segment_to_paint() const
+{
+ shared_ptr<pv::data::LogicSegment> segment;
+
+ const deque< shared_ptr<pv::data::LogicSegment> > &segments =
+ base_->logic_data()->logic_segments();
+
+ if (!segments.empty()) {
+ if (segment_display_mode_ == ShowLastSegmentOnly) {
+ segment = segments.back();
+ }
+
+ if ((segment_display_mode_ == ShowSingleSegmentOnly) ||
+ (segment_display_mode_ == ShowLastCompleteSegmentOnly)) {
+ try {
+ segment = segments.at(current_segment_);
+ } catch (out_of_range&) {
+ qDebug() << "Current logic segment out of range for signal" << base_->name() << ":" << current_segment_;
+ }
+ }
+ }
+
+ return segment;
+}
+
void LogicSignal::init_trigger_actions(QWidget *parent)
{
trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
{
Signal::populate_popup_form(parent, form);
+ signal_height_sb_ = new QSpinBox(parent);
+ signal_height_sb_->setRange(5, 1000);
+ signal_height_sb_->setSingleStep(5);
+ signal_height_sb_->setSuffix(tr(" pixels"));
+ signal_height_sb_->setValue(signal_height_);
+ connect(signal_height_sb_, SIGNAL(valueChanged(int)),
+ this, SLOT(on_signal_height_changed(int)));
+ form->addRow(tr("Trace height"), signal_height_sb_);
+
+ // Trigger settings
const vector<int32_t> trig_types = get_trigger_types();
if (!trig_types.empty()) {
trigger_bar_->addAction(action);
action->setChecked(trigger_match_ == type);
}
+
+ // Only allow triggers to be changed when we're stopped
+ if (session_.get_capture_state() != Session::Stopped)
+ for (QAction* action : trigger_bar_->findChildren<QAction*>()) // clazy:exclude=range-loop
+ action->setEnabled(false);
+
form->addRow(tr("Trigger"), trigger_bar_);
}
}
modify_trigger();
}
+void LogicSignal::on_signal_height_changed(int height)
+{
+ signal_height_ = height;
+
+ if (owner_) {
+ // Call order is important, otherwise the lazy event handler won't work
+ owner_->extents_changed(false, true);
+ owner_->row_item_appearance_changed(false, true);
+ }
+}
+
} // namespace trace
} // namespace views
} // namespace pv