* 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 <http://www.gnu.org/licenses/>.
*/
#include <extdef.h>
#include <cassert>
#include <cmath>
+#include <cstdlib>
+#include <limits>
+#include <vector>
+
+#include <QApplication>
+#include <QCheckBox>
+#include <QComboBox>
+#include <QFormLayout>
+#include <QGridLayout>
+#include <QLabel>
+#include <QString>
#include "analogsignal.hpp"
#include "pv/data/analog.hpp"
-#include "pv/data/analogsnapshot.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 <libsigrok/libsigrok.hpp>
+#include <libsigrokcxx/libsigrokcxx.hpp>
+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::deque;
-
-using sigrok::Channel;
+using std::vector;
namespace pv {
-namespace view {
-
-const int AnalogSignal::NominalHeight = 80;
+namespace views {
+namespace TraceView {
const QColor AnalogSignal::SignalColours[4] = {
QColor(0xC4, 0xA0, 0x00), // Yellow
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<Channel> channel,
- shared_ptr<data::Analog> data) :
- Signal(session, channel),
- data_(data),
- scale_(1.0f)
+ shared_ptr<data::SignalBase> 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)
{
- colour_ = SignalColours[channel_->index() % countof(SignalColours)];
+ pv::data::Analog* analog_data =
+ dynamic_cast<pv::data::Analog*>(data().get());
+
+ connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+ this, SLOT(on_samples_added()));
+
+ base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]);
+ update_scale();
}
-AnalogSignal::~AnalogSignal()
+shared_ptr<pv::data::SignalData> AnalogSignal::data() const
{
+ return base_->analog_data();
}
-shared_ptr<pv::data::SignalData> AnalogSignal::data() const
+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_);
+}
+
+void AnalogSignal::restore_settings(QSettings &settings)
{
- return data_;
+ 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();
}
-shared_ptr<pv::data::Analog> AnalogSignal::analog_data() const
+pair<int, int> AnalogSignal::v_extents() const
{
- return data_;
+ const int ph = pos_vdivs_ * div_height_;
+ const int nh = neg_vdivs_ * div_height_;
+ return make_pair(-ph, nh);
}
-void AnalogSignal::set_scale(float scale)
+int AnalogSignal::scale_handle_offset() const
{
- scale_ = scale;
+ const int h = (pos_vdivs_ + neg_vdivs_) * div_height_;
+
+ return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2;
}
-std::pair<int, int> AnalogSignal::v_extents() const
+void AnalogSignal::scale_handle_dragged(int offset)
{
- return make_pair(-NominalHeight / 2, NominalHeight / 2);
+ 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_back(QPainter &p, const RowItemPaintParams &pp)
+void AnalogSignal::scale_handle_drag_release()
{
- if (channel_->enabled())
+ scale_index_drag_offset_ = scale_index_;
+ update_scale();
+}
+
+void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp)
+{
+ if (base_->enabled()) {
+ Trace::paint_back(p, pp);
paint_axis(p, pp, get_visual_y());
+ }
}
-void AnalogSignal::paint_mid(QPainter &p, const RowItemPaintParams &pp)
+void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
{
- assert(data_);
+ assert(base_->analog_data());
assert(owner_);
const int y = get_visual_y();
- const View *const view = owner_->view();
- assert(view);
+ if (!base_->enabled())
+ return;
- const double scale = view->scale();
- assert(scale > 0);
+ if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) {
+ paint_grid(p, y, pp.left(), pp.right());
+
+ const deque< shared_ptr<pv::data::AnalogSegment> > &segments =
+ base_->analog_data()->analog_segments();
+ if (segments.empty())
+ return;
+
+ const shared_ptr<pv::data::AnalogSegment> &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>(),
+ (int64_t)0), last_sample);
+ const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(),
+ (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);
+ }
- const double offset = view->offset();
+ if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) {
+ if (((conversion_type_ == data::SignalBase::A2LConversionByTreshold) ||
+ (conversion_type_ == data::SignalBase::A2LConversionBySchmittTrigger))) {
- if (!channel_->enabled())
- return;
+ paint_logic_mid(p, pp);
+ }
+ }
+}
- const deque< shared_ptr<pv::data::AnalogSnapshot> > &snapshots =
- data_->get_snapshots();
- if (snapshots.empty())
+void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
+{
+ if (!enabled())
return;
- const shared_ptr<pv::data::AnalogSnapshot> &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_->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 * pp.width();
+ // 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, pp.left(),
- start_sample, end_sample,
- pixels_offset, samples_per_pixel);
- else
- paint_envelope(p, snapshot, y, pp.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<pv::data::AnalogSnapshot> &snapshot,
+ const shared_ptr<pv::data::AnalogSegment> &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, points_count);
- p.drawPolyline(points, point - points);
+ 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<pv::data::AnalogSnapshot> &snapshot,
+ const shared_ptr<pv::data::AnalogSegment> &segment,
int y, int left, const int64_t start, const int64_t end,
const double pixels_offset, const double samples_per_pixel)
{
- 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(Qt::NoPen));
- p.setBrush(colour_);
+ 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);
delete[] e.samples;
}
-} // namespace view
+void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp)
+{
+ QLineF *line;
+
+ vector< pair<int64_t, bool> > 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<pv::data::LogicSegment> > &segments =
+ base_->logic_data()->logic_segments();
+
+ if (segments.empty())
+ return;
+
+ const shared_ptr<pv::data::LogicSegment> &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>(),
+ (int64_t)0), last_sample);
+ const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
+ (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<int64_t, bool> > &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<int>::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<pv::data::AnalogSegment> > &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<pv::data::AnalogSegment> segment : segments) {
+ pair<double, double> 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