X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.cpp;h=e40042dac9fc4057d20e595473a36fb80fdc5f20;hp=a4474dac8e06a0026b40da41e53b15b3cc7e8bc9;hb=33d5aa61e77e61f700a8d09586724a2f12351c53;hpb=fe08b6e8a85c80ae738757f7d85aa38ef7c4bdc3 diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp index a4474dac..e40042da 100644 --- a/pv/view/analogsignal.cpp +++ b/pv/view/analogsignal.cpp @@ -14,24 +14,51 @@ * 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 . */ #include -#include - -#include "analogsignal.h" -#include "pv/data/analog.h" -#include "pv/data/analogsnapshot.h" -#include "pv/view/view.h" - -using namespace boost; -using namespace std; +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "analogsignal.hpp" +#include "pv/data/analog.hpp" +#include "pv/data/analogsegment.hpp" +#include "pv/data/logic.hpp" +#include "pv/data/logicsegment.hpp" +#include "pv/data/signalbase.hpp" +#include "pv/globalsettings.hpp" +#include "pv/view/logicsignal.hpp" +#include "pv/view/view.hpp" + +#include + +using std::deque; +using std::div; +using std::div_t; +using std::max; +using std::make_pair; +using std::min; +using std::numeric_limits; +using std::pair; +using std::shared_ptr; +using std::vector; namespace pv { -namespace view { +namespace views { +namespace TraceView { const QColor AnalogSignal::SignalColours[4] = { QColor(0xC4, 0xA0, 0x00), // Yellow @@ -40,149 +67,347 @@ const QColor AnalogSignal::SignalColours[4] = { QColor(0x4E, 0x9A, 0x06) // Green }; -const float AnalogSignal::EnvelopeThreshold = 256.0f; +const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); +const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); + +const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); + +const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) +const float AnalogSignal::EnvelopeThreshold = 64.0f; + +const int AnalogSignal::MaximumVDivs = 10; +const int AnalogSignal::MinScaleIndex = -6; +const int AnalogSignal::MaxScaleIndex = 7; + +const int AnalogSignal::InfoTextMarginRight = 20; +const int AnalogSignal::InfoTextMarginBottom = 5; + +AnalogSignal::AnalogSignal( + pv::Session &session, + shared_ptr base) : + Signal(session, base), + scale_index_(4), // 20 per div + scale_index_drag_offset_(0), + div_height_(3 * QFontMetrics(QApplication::font()).height()), + pos_vdivs_(1), + neg_vdivs_(1), + resolution_(0), + conversion_type_(data::SignalBase::NoConversion), + display_type_(DisplayBoth), + autoranging_(true) +{ + pv::data::Analog* analog_data = + dynamic_cast(data().get()); + + connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), + this, SLOT(on_samples_added())); -AnalogSignal::AnalogSignal(pv::SigSession &session, const sr_probe *const probe, - shared_ptr data) : - Signal(session, probe), - _data(data), - _scale(1.0f) + base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); + update_scale(); +} + +shared_ptr AnalogSignal::data() const { - _colour = SignalColours[probe->index % countof(SignalColours)]; + return base_->analog_data(); } -AnalogSignal::~AnalogSignal() +void AnalogSignal::save_settings(QSettings &settings) const { + settings.setValue("pos_vdivs", pos_vdivs_); + settings.setValue("neg_vdivs", neg_vdivs_); + settings.setValue("scale_index", scale_index_); + settings.setValue("conversion_type", conversion_type_); + settings.setValue("display_type", display_type_); + settings.setValue("autoranging", autoranging_); } -const list AnalogSignal::get_context_bar_actions() +void AnalogSignal::restore_settings(QSettings &settings) { - list actions; - actions.push_back(_name_action); - return actions; + if (settings.contains("pos_vdivs")) + pos_vdivs_ = settings.value("pos_vdivs").toInt(); + + if (settings.contains("neg_vdivs")) + neg_vdivs_ = settings.value("neg_vdivs").toInt(); + + if (settings.contains("scale_index")) { + scale_index_ = settings.value("scale_index").toInt(); + update_scale(); + } + + if (settings.contains("conversion_type")) { + conversion_type_ = (data::SignalBase::ConversionType)(settings.value("conversion_type").toInt()); + update_conversion_type(); + } + + if (settings.contains("display_type")) + display_type_ = (DisplayType)(settings.value("display_type").toInt()); + + if (settings.contains("autoranging")) + autoranging_ = settings.value("autoranging").toBool(); } -void AnalogSignal::set_scale(float scale) +pair AnalogSignal::v_extents() const { - _scale = scale; + const int ph = pos_vdivs_ * div_height_; + const int nh = neg_vdivs_ * div_height_; + return make_pair(-ph, nh); } -void AnalogSignal::paint_back(QPainter &p, int left, int right) +int AnalogSignal::scale_handle_offset() const { - if (_probe->enabled) - paint_axis(p, get_y(), left, right); + const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; + + return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2; +} + +void AnalogSignal::scale_handle_dragged(int offset) +{ + const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; + + scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4); + + update_scale(); } -void AnalogSignal::paint_mid(QPainter &p, int left, int right) +void AnalogSignal::scale_handle_drag_release() { - assert(_data); - assert(right >= left); + scale_index_drag_offset_ = scale_index_; + update_scale(); +} - assert(_view); - const int y = _v_offset - _view->v_offset(); +void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) +{ + if (base_->enabled()) { + Trace::paint_back(p, pp); + paint_axis(p, pp, get_visual_y()); + } +} - const double scale = _view->scale(); - assert(scale > 0); +void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) +{ + assert(base_->analog_data()); + assert(owner_); - const double offset = _view->offset(); + const int y = get_visual_y(); - if (!_probe->enabled) + if (!base_->enabled()) return; - const deque< shared_ptr > &snapshots = - _data->get_snapshots(); - if (snapshots.empty()) + if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { + paint_grid(p, y, pp.left(), pp.right()); + + const deque< shared_ptr > &segments = + base_->analog_data()->analog_segments(); + if (segments.empty()) + return; + + const shared_ptr &segment = + segments.front(); + + const double pixels_offset = pp.pixels_offset(); + const double samplerate = max(1.0, segment->samplerate()); + const pv::util::Timestamp& start_time = segment->start_time(); + const int64_t last_sample = segment->get_sample_count() - 1; + const double samples_per_pixel = samplerate * pp.scale(); + const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); + const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); + + const int64_t start_sample = min(max(floor(start).convert_to(), + (int64_t)0), last_sample); + const int64_t end_sample = min(max((ceil(end) + 1).convert_to(), + (int64_t)0), last_sample); + + if (samples_per_pixel < EnvelopeThreshold) + paint_trace(p, segment, y, pp.left(), + start_sample, end_sample, + pixels_offset, samples_per_pixel); + else + paint_envelope(p, segment, y, pp.left(), + start_sample, end_sample, + pixels_offset, samples_per_pixel); + } + + if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) { + if (((conversion_type_ == data::SignalBase::A2LConversionByTreshold) || + (conversion_type_ == data::SignalBase::A2LConversionBySchmittTrigger))) { + + paint_logic_mid(p, pp); + } + } +} + +void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) +{ + if (!enabled()) return; - const shared_ptr &snapshot = - snapshots.front(); + if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { + const int y = get_visual_y(); - const double pixels_offset = offset / scale; - const double samplerate = _data->get_samplerate(); - const double start_time = _data->get_start_time(); - const int64_t last_sample = snapshot->get_sample_count() - 1; - const double samples_per_pixel = samplerate * scale; - const double start = samplerate * (offset - start_time); - const double end = start + samples_per_pixel * (right - left); + // Show the info section on the right side of the trace + const QString infotext = QString("%1 V/div").arg(resolution_); - const int64_t start_sample = min(max((int64_t)floor(start), - (int64_t)0), last_sample); - const int64_t end_sample = min(max((int64_t)ceil(end) + 1, - (int64_t)0), last_sample); + p.setPen(base_->colour()); + p.setFont(QApplication::font()); - if (samples_per_pixel < EnvelopeThreshold) - paint_trace(p, snapshot, y, left, - start_sample, end_sample, - pixels_offset, samples_per_pixel); - else - paint_envelope(p, snapshot, y, left, - start_sample, end_sample, - pixels_offset, samples_per_pixel); + const QRectF bounding_rect = QRectF(pp.left(), + y + v_extents().first, + pp.width() - InfoTextMarginRight, + v_extents().second - v_extents().first - InfoTextMarginBottom); + + p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); + } +} + +void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) +{ + p.setRenderHint(QPainter::Antialiasing, false); + + GlobalSettings settings; + const bool show_analog_minor_grid = + settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); + + if (pos_vdivs_ > 0) { + p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); + for (int i = 1; i <= pos_vdivs_; i++) { + const float dy = i * div_height_; + p.drawLine(QLineF(left, y - dy, right, y - dy)); + } + } + + if ((pos_vdivs_ > 0) && show_analog_minor_grid) { + p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); + for (int i = 0; i < pos_vdivs_; i++) { + const float dy = i * div_height_; + const float dy25 = dy + (0.25 * div_height_); + const float dy50 = dy + (0.50 * div_height_); + const float dy75 = dy + (0.75 * div_height_); + p.drawLine(QLineF(left, y - dy25, right, y - dy25)); + p.drawLine(QLineF(left, y - dy50, right, y - dy50)); + p.drawLine(QLineF(left, y - dy75, right, y - dy75)); + } + } + + if (neg_vdivs_ > 0) { + p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); + for (int i = 1; i <= neg_vdivs_; i++) { + const float dy = i * div_height_; + p.drawLine(QLineF(left, y + dy, right, y + dy)); + } + } + + if ((pos_vdivs_ > 0) && show_analog_minor_grid) { + p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); + for (int i = 0; i < neg_vdivs_; i++) { + const float dy = i * div_height_; + const float dy25 = dy + (0.25 * div_height_); + const float dy50 = dy + (0.50 * div_height_); + const float dy75 = dy + (0.75 * div_height_); + p.drawLine(QLineF(left, y + dy25, right, y + dy25)); + p.drawLine(QLineF(left, y + dy50, right, y + dy50)); + p.drawLine(QLineF(left, y + dy75, right, y + dy75)); + } + } + + p.setRenderHint(QPainter::Antialiasing, true); } void AnalogSignal::paint_trace(QPainter &p, - const shared_ptr &snapshot, + const shared_ptr &segment, int y, int left, const int64_t start, const int64_t end, const double pixels_offset, const double samples_per_pixel) { - const int64_t sample_count = end - start; + if (end <= start) + return; + + // Calculate and paint the sampling points if enabled and useful + GlobalSettings settings; + const bool show_sampling_points = + settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && + (samples_per_pixel < 0.25); - const float *const samples = snapshot->get_samples(start, end); - assert(samples); + p.setPen(base_->colour()); - p.setPen(_colour); + const int64_t points_count = end - start; - QPointF *points = new QPointF[sample_count]; + QPointF *points = new QPointF[points_count]; QPointF *point = points; - for (int64_t sample = start; sample != end; sample++) { + QRectF *sampling_points = nullptr; + if (show_sampling_points) + sampling_points = new QRectF[points_count]; + QRectF *sampling_point = sampling_points; + + int64_t sample_count = min(points_count, TracePaintBlockSize); + int64_t block_sample = 0; + const float *sample_block = segment->get_samples(start, start + sample_count); + + const int w = 2; + for (int64_t sample = start; sample != end; sample++, block_sample++) { + + if (block_sample == TracePaintBlockSize) { + block_sample = 0; + delete[] sample_block; + sample_count = min(points_count - sample, TracePaintBlockSize); + sample_block = segment->get_samples(sample, sample + sample_count); + } + const float x = (sample / samples_per_pixel - pixels_offset) + left; - *point++ = QPointF(x, - y - samples[sample - start] * _scale); + + *point++ = QPointF(x, y - sample_block[block_sample] * scale_); + + if (show_sampling_points) + *sampling_point++ = + QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); } + delete[] sample_block; - p.drawPolyline(points, point - points); + p.drawPolyline(points, points_count); + + if (show_sampling_points) { + p.setPen(SamplingPointColour); + p.drawRects(sampling_points, points_count); + delete[] sampling_points; + } - delete[] samples; delete[] points; } void AnalogSignal::paint_envelope(QPainter &p, - const shared_ptr &snapshot, + const shared_ptr &segment, int y, int left, const int64_t start, const int64_t end, const double pixels_offset, const double samples_per_pixel) { - using namespace Qt; - using pv::data::AnalogSnapshot; + using pv::data::AnalogSegment; - AnalogSnapshot::EnvelopeSection e; - snapshot->get_envelope_section(e, start, end, samples_per_pixel); + AnalogSegment::EnvelopeSection e; + segment->get_envelope_section(e, start, end, samples_per_pixel); if (e.length < 2) return; - p.setPen(QPen(NoPen)); - p.setBrush(_colour); + p.setPen(QPen(Qt::NoPen)); + p.setBrush(base_->colour()); QRectF *const rects = new QRectF[e.length]; QRectF *rect = rects; - for(uint64_t sample = 0; sample < e.length-1; sample++) { + for (uint64_t sample = 0; sample < e.length - 1; sample++) { const float x = ((e.scale * sample + e.start) / samples_per_pixel - pixels_offset) + left; - const AnalogSnapshot::EnvelopeSample *const s = + const AnalogSegment::EnvelopeSample *const s = e.samples + sample; // We overlap this sample with the next so that vertical // gaps do not appear during steep rising or falling edges - const float b = y - max(s->max, (s+1)->min) * _scale; - const float t = y - min(s->min, (s+1)->max) * _scale; + const float b = y - max(s->max, (s + 1)->min) * scale_; + const float t = y - min(s->min, (s + 1)->max) * scale_; float h = b - t; - if(h >= 0.0f && h <= 1.0f) + if (h >= 0.0f && h <= 1.0f) h = 1.0f; - if(h <= 0.0f && h >= -1.0f) + if (h <= 0.0f && h >= -1.0f) h = -1.0f; *rect++ = QRectF(x, t, 1.0f, h); @@ -194,5 +419,420 @@ void AnalogSignal::paint_envelope(QPainter &p, delete[] e.samples; } -} // namespace view +void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) +{ + QLineF *line; + + vector< pair > edges; + + assert(base_); + + const int y = get_visual_y(); + + if (!base_->enabled() || !base_->logic_data()) + return; + + const int signal_margin = + QFontMetrics(QApplication::font()).height() / 2; + + const int ph = min(pos_vdivs_, 1) * div_height_; + const int nh = min(neg_vdivs_, 1) * div_height_; + const float high_offset = y - ph + signal_margin + 0.5f; + const float low_offset = y + nh - signal_margin - 0.5f; + + const deque< shared_ptr > &segments = + base_->logic_data()->logic_segments(); + + if (segments.empty()) + return; + + const shared_ptr &segment = + segments.front(); + + double samplerate = segment->samplerate(); + + // Show sample rate as 1Hz when it is unknown + if (samplerate == 0.0) + samplerate = 1.0; + + 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 double samples_per_pixel = samplerate * pp.scale(); + const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); + const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); + + const int64_t start_sample = min(max(floor(start).convert_to(), + (int64_t)0), last_sample); + const uint64_t end_sample = min(max(ceil(end).convert_to(), + (int64_t)0), last_sample); + + segment->get_subsampled_edges(edges, start_sample, end_sample, + samples_per_pixel / LogicSignal::Oversampling, 0); + assert(edges.size() >= 2); + + // Paint the edges + const unsigned int edge_count = edges.size() - 2; + QLineF *const edge_lines = new QLineF[edge_count]; + line = edge_lines; + + for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { + const float x = ((*i).first / samples_per_pixel - + pixels_offset) + pp.left(); + *line++ = QLineF(x, high_offset, x, low_offset); + } + + p.setPen(LogicSignal::EdgeColour); + p.drawLines(edge_lines, edge_count); + delete[] edge_lines; + + // Paint the caps + const unsigned int max_cap_line_count = edges.size(); + QLineF *const cap_lines = new QLineF[max_cap_line_count]; + + p.setPen(LogicSignal::HighColour); + paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, + pixels_offset, pp.left(), high_offset); + p.setPen(LogicSignal::LowColour); + paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, + pixels_offset, pp.left(), low_offset); + + delete[] cap_lines; + + // Return if we don't need to paint the sampling points + GlobalSettings settings; + const bool show_sampling_points = + settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); + + if (!show_sampling_points || (samples_per_pixel >= 0.25)) + return; + + // Paint the sampling points + const uint64_t sampling_points_count = end_sample - start_sample + 1; + QRectF *const sampling_points = new QRectF[sampling_points_count]; + QRectF *sampling_point = sampling_points; + + const int w = 1; + const float y_middle = high_offset - ((high_offset - low_offset) / 2); + for (uint64_t i = start_sample; i < end_sample + 1; ++i) { + const float x = (i / samples_per_pixel - pixels_offset) + pp.left(); + *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w); + } + + p.setPen(SamplingPointColour); + p.drawRects(sampling_points, sampling_points_count); + delete[] sampling_points; +} + +void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, + vector< pair > &edges, bool level, + double samples_per_pixel, double pixels_offset, float x_offset, + float y_offset) +{ + QLineF *line = lines; + + for (auto i = edges.begin(); i != (edges.end() - 1); i++) + if ((*i).second == level) { + *line++ = QLineF( + ((*i).first / samples_per_pixel - + pixels_offset) + x_offset, y_offset, + ((*(i+1)).first / samples_per_pixel - + pixels_offset) + x_offset, y_offset); + } + + p.drawLines(lines, line - lines); +} + +float AnalogSignal::get_resolution(int scale_index) +{ + const float seq[] = {1.0f, 2.0f, 5.0f}; + + const int offset = numeric_limits::max() / (2 * countof(seq)); + const div_t d = div((int)(scale_index + countof(seq) * offset), + countof(seq)); + + return powf(10.0f, d.quot - offset) * seq[d.rem]; +} + +void AnalogSignal::update_scale() +{ + resolution_ = get_resolution(scale_index_); + scale_ = div_height_ / resolution_; +} + +void AnalogSignal::update_conversion_type() +{ + base_->set_conversion_type(conversion_type_); + + if (owner_) + owner_->row_item_appearance_changed(false, true); +} + +void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) +{ + const deque< shared_ptr > &segments = + base_->analog_data()->analog_segments(); + + if (segments.empty()) + return; + + static double prev_min = 0, prev_max = 0; + double min = 0, max = 0; + + for (shared_ptr segment : segments) { + pair mm = segment->get_min_max(); + min = std::min(min, mm.first); + max = std::max(max, mm.second); + } + + if ((min == prev_min) && (max == prev_max) && !force_update) + return; + + prev_min = min; + prev_max = max; + + // If we're allowed to alter the div assignment... + if (!keep_divs) { + // Use all divs for the positive range if there are no negative values + if ((min == 0) && (neg_vdivs_ > 0)) { + pos_vdivs_ += neg_vdivs_; + neg_vdivs_ = 0; + } + + // Split up the divs if there are negative values but no negative divs + if ((min < 0) && (neg_vdivs_ == 0)) { + neg_vdivs_ = pos_vdivs_ / 2; + pos_vdivs_ -= neg_vdivs_; + } + } + + // If there is still no positive div when we need it, add one + // (this can happen when pos_vdivs==neg_vdivs==0) + if ((max > 0) && (pos_vdivs_ == 0)) { + pos_vdivs_ = 1; + owner_->extents_changed(false, true); + } + + // If there is still no negative div when we need it, add one + // (this can happen when pos_vdivs was 0 or 1 when trying to split) + if ((min < 0) && (neg_vdivs_ == 0)) { + neg_vdivs_ = 1; + owner_->extents_changed(false, true); + } + + double min_value_per_div; + if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) + min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); + else if (pos_vdivs_ > 0) + min_value_per_div = max / pos_vdivs_; + else + min_value_per_div = -min / neg_vdivs_; + + // Find first scale value that is bigger than the value we need + for (int i = MinScaleIndex; i < MaxScaleIndex; i++) + if (get_resolution(i) > min_value_per_div) { + scale_index_ = i; + break; + } + + update_scale(); +} + +void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) +{ + // Add the standard options + Signal::populate_popup_form(parent, form); + + QFormLayout *const layout = new QFormLayout; + + // Add the number of vdivs + pvdiv_sb_ = new QSpinBox(parent); + pvdiv_sb_->setRange(0, MaximumVDivs); + pvdiv_sb_->setValue(pos_vdivs_); + connect(pvdiv_sb_, SIGNAL(valueChanged(int)), + this, SLOT(on_pos_vdivs_changed(int))); + layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); + + nvdiv_sb_ = new QSpinBox(parent); + nvdiv_sb_->setRange(0, MaximumVDivs); + nvdiv_sb_->setValue(neg_vdivs_); + connect(nvdiv_sb_, SIGNAL(valueChanged(int)), + this, SLOT(on_neg_vdivs_changed(int))); + layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); + + // Add the vertical resolution + resolution_cb_ = new QComboBox(parent); + + for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { + const QString label = QString("%1").arg(get_resolution(i)); + resolution_cb_->insertItem(0, label, QVariant(i)); + } + + int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); + resolution_cb_->setCurrentIndex(cur_idx); + + connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), + this, SLOT(on_resolution_changed(int))); + + QGridLayout *const vdiv_layout = new QGridLayout; + QLabel *const vdiv_unit = new QLabel(tr("V/div")); + vdiv_layout->addWidget(resolution_cb_, 0, 0); + vdiv_layout->addWidget(vdiv_unit, 0, 1); + + layout->addRow(tr("Vertical resolution"), vdiv_layout); + + // Add the autoranging checkbox + QCheckBox* autoranging_cb = new QCheckBox(); + autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); + + connect(autoranging_cb, SIGNAL(stateChanged(int)), + this, SLOT(on_autoranging_changed(int))); + + layout->addRow(tr("Autoranging"), autoranging_cb); + + // Add the conversion type dropdown + conversion_cb_ = new QComboBox(); + + conversion_cb_->addItem("none", data::SignalBase::NoConversion); + conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold); + conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger); + + cur_idx = conversion_cb_->findData(QVariant(conversion_type_)); + conversion_cb_->setCurrentIndex(cur_idx); + +// layout->addRow(tr("Conversion"), conversion_cb_); + + connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), + this, SLOT(on_conversion_changed(int))); + + // Add the display type dropdown + display_type_cb_ = new QComboBox(); + + display_type_cb_->addItem(tr("Analog"), DisplayAnalog); + display_type_cb_->addItem(tr("Converted"), DisplayConverted); + display_type_cb_->addItem(tr("Both"), DisplayBoth); + + cur_idx = display_type_cb_->findData(QVariant(display_type_)); + display_type_cb_->setCurrentIndex(cur_idx); + +// layout->addRow(tr("Traces to show:"), display_type_cb_); + + connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), + this, SLOT(on_display_type_changed(int))); + + form->addRow(layout); +} + +void AnalogSignal::on_samples_added() +{ + perform_autoranging(false, false); +} + +void AnalogSignal::on_pos_vdivs_changed(int vdivs) +{ + if (vdivs == pos_vdivs_) + return; + + pos_vdivs_ = vdivs; + + // There has to be at least one div, positive or negative + if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { + pos_vdivs_ = 1; + if (pvdiv_sb_) + pvdiv_sb_->setValue(pos_vdivs_); + } + + if (autoranging_) { + perform_autoranging(true, true); + + // It could be that a positive or negative div was added, so update + if (pvdiv_sb_) { + pvdiv_sb_->setValue(pos_vdivs_); + nvdiv_sb_->setValue(neg_vdivs_); + } + } + + 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); + } +} + +void AnalogSignal::on_neg_vdivs_changed(int vdivs) +{ + if (vdivs == neg_vdivs_) + return; + + neg_vdivs_ = vdivs; + + // There has to be at least one div, positive or negative + if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { + pos_vdivs_ = 1; + if (pvdiv_sb_) + pvdiv_sb_->setValue(pos_vdivs_); + } + + if (autoranging_) { + perform_autoranging(true, true); + + // It could be that a positive or negative div was added, so update + if (pvdiv_sb_) { + pvdiv_sb_->setValue(pos_vdivs_); + nvdiv_sb_->setValue(neg_vdivs_); + } + } + + 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); + } +} + +void AnalogSignal::on_resolution_changed(int index) +{ + scale_index_ = resolution_cb_->itemData(index).toInt(); + update_scale(); + + if (owner_) + owner_->row_item_appearance_changed(false, true); +} + +void AnalogSignal::on_autoranging_changed(int state) +{ + autoranging_ = (state == Qt::Checked); + + if (autoranging_) + perform_autoranging(false, true); + + 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); + } +} + +void AnalogSignal::on_conversion_changed(int index) +{ + data::SignalBase::ConversionType old_conv_type = conversion_type_; + + conversion_type_ = (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); + + if (conversion_type_ != old_conv_type) { + base_->set_conversion_type(conversion_type_); + update_conversion_type(); + } +} + +void AnalogSignal::on_display_type_changed(int index) +{ + display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); + + if (owner_) + owner_->row_item_appearance_changed(false, true); +} + +} // namespace TraceView +} // namespace views } // namespace pv