--- /dev/null
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+extern "C" {
+#include <libsigrokdecode/libsigrokdecode.h>
+}
+
+#include <mutex>
+
+#include <extdef.h>
+
+#include <tuple>
+
+#include <boost/functional/hash.hpp>
+
+#include <QAction>
+#include <QApplication>
+#include <QComboBox>
+#include <QFormLayout>
+#include <QLabel>
+#include <QMenu>
+#include <QPushButton>
+#include <QToolTip>
+
+#include "decodetrace.hpp"
+#include "view.hpp"
+#include "viewport.hpp"
+
+#include <pv/globalsettings.hpp>
+#include <pv/data/decode/annotation.hpp>
+#include <pv/data/decode/decoder.hpp>
+#include <pv/data/decoderstack.hpp>
+#include <pv/data/logic.hpp>
+#include <pv/data/logicsegment.hpp>
+#include <pv/session.hpp>
+#include <pv/strnatcmp.hpp>
+#include <pv/widgets/decodergroupbox.hpp>
+#include <pv/widgets/decodermenu.hpp>
+
+using std::all_of;
+using std::list;
+using std::make_pair;
+using std::max;
+using std::make_pair;
+using std::map;
+using std::min;
+using std::out_of_range;
+using std::pair;
+using std::shared_ptr;
+using std::make_shared;
+using std::tie;
+using std::unordered_set;
+using std::vector;
+
+namespace pv {
+namespace views {
+namespace trace {
+
+const QColor DecodeTrace::DecodeColours[4] = {
+ QColor(0xEF, 0x29, 0x29), // Red
+ QColor(0xFC, 0xE9, 0x4F), // Yellow
+ QColor(0x8A, 0xE2, 0x34), // Green
+ QColor(0x72, 0x9F, 0xCF) // Blue
+};
+
+const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
+const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);
+
+const int DecodeTrace::ArrowSize = 4;
+const double DecodeTrace::EndCapWidth = 5;
+const int DecodeTrace::RowTitleMargin = 10;
+const int DecodeTrace::DrawPadding = 100;
+
+const QColor DecodeTrace::Colours[16] = {
+ QColor(0xEF, 0x29, 0x29),
+ QColor(0xF6, 0x6A, 0x32),
+ QColor(0xFC, 0xAE, 0x3E),
+ QColor(0xFB, 0xCA, 0x47),
+ QColor(0xFC, 0xE9, 0x4F),
+ QColor(0xCD, 0xF0, 0x40),
+ QColor(0x8A, 0xE2, 0x34),
+ QColor(0x4E, 0xDC, 0x44),
+ QColor(0x55, 0xD7, 0x95),
+ QColor(0x64, 0xD1, 0xD2),
+ QColor(0x72, 0x9F, 0xCF),
+ QColor(0xD4, 0x76, 0xC4),
+ QColor(0x9D, 0x79, 0xB9),
+ QColor(0xAD, 0x7F, 0xA8),
+ QColor(0xC2, 0x62, 0x9B),
+ QColor(0xD7, 0x47, 0x6F)
+};
+
+const QColor DecodeTrace::OutlineColours[16] = {
+ QColor(0x77, 0x14, 0x14),
+ QColor(0x7B, 0x35, 0x19),
+ QColor(0x7E, 0x57, 0x1F),
+ QColor(0x7D, 0x65, 0x23),
+ QColor(0x7E, 0x74, 0x27),
+ QColor(0x66, 0x78, 0x20),
+ QColor(0x45, 0x71, 0x1A),
+ QColor(0x27, 0x6E, 0x22),
+ QColor(0x2A, 0x6B, 0x4A),
+ QColor(0x32, 0x68, 0x69),
+ QColor(0x39, 0x4F, 0x67),
+ QColor(0x6A, 0x3B, 0x62),
+ QColor(0x4E, 0x3C, 0x5C),
+ QColor(0x56, 0x3F, 0x54),
+ QColor(0x61, 0x31, 0x4D),
+ QColor(0x6B, 0x23, 0x37)
+};
+
+DecodeTrace::DecodeTrace(pv::Session &session,
+ shared_ptr<data::SignalBase> signalbase, int index) :
+ Trace(signalbase),
+ session_(session),
+ row_height_(0),
+ max_visible_rows_(0),
+ delete_mapper_(this),
+ show_hide_mapper_(this)
+{
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ // Determine shortest string we want to see displayed in full
+ QFontMetrics m(QApplication::font());
+ min_useful_label_width_ = m.width("XX"); // e.g. two hex characters
+
+ base_->set_name(QString::fromUtf8(decoder_stack->stack().front()->decoder()->name));
+ base_->set_colour(DecodeColours[index % countof(DecodeColours)]);
+
+ connect(decoder_stack.get(), SIGNAL(new_decode_data()),
+ this, SLOT(on_new_decode_data()));
+ connect(&delete_mapper_, SIGNAL(mapped(int)),
+ this, SLOT(on_delete_decoder(int)));
+ connect(&show_hide_mapper_, SIGNAL(mapped(int)),
+ this, SLOT(on_show_hide_decoder(int)));
+}
+
+bool DecodeTrace::enabled() const
+{
+ return true;
+}
+
+shared_ptr<data::SignalBase> DecodeTrace::base() const
+{
+ return base_;
+}
+
+pair<int, int> DecodeTrace::v_extents() const
+{
+ const int row_height = (ViewItemPaintParams::text_height() * 6) / 4;
+
+ // Make an empty decode trace appear symmetrical
+ const int row_count = max(1, max_visible_rows_);
+
+ return make_pair(-row_height, row_height * row_count);
+}
+
+void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp)
+{
+ Trace::paint_back(p, pp);
+ paint_axis(p, pp, get_visual_y());
+}
+
+void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
+{
+ using namespace pv::data::decode;
+
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ const int text_height = ViewItemPaintParams::text_height();
+ row_height_ = (text_height * 6) / 4;
+ const int annotation_height = (text_height * 5) / 4;
+
+ assert(decoder_stack);
+ const QString err = decoder_stack->error_message();
+ if (!err.isEmpty()) {
+ draw_unresolved_period(
+ p, annotation_height, pp.left(), pp.right());
+ draw_error(p, err, pp);
+ return;
+ }
+
+ // Set default pen to allow for text width calculation
+ p.setPen(Qt::black);
+
+ // Iterate through the rows
+ int y = get_visual_y();
+ pair<uint64_t, uint64_t> sample_range = get_sample_range(
+ pp.left(), pp.right());
+
+ const vector<Row> rows(decoder_stack->get_visible_rows());
+
+ visible_rows_.clear();
+ for (const Row& row : rows) {
+ // Cache the row title widths
+ int row_title_width;
+ try {
+ row_title_width = row_title_widths_.at(row);
+ } catch (out_of_range) {
+ const int w = p.boundingRect(QRectF(), 0, row.title()).width() +
+ RowTitleMargin;
+ row_title_widths_[row] = w;
+ row_title_width = w;
+ }
+
+ // Determine the row's color
+ size_t base_colour = 0x13579BDF;
+ boost::hash_combine(base_colour, this);
+ boost::hash_combine(base_colour, row.decoder());
+ boost::hash_combine(base_colour, row.row());
+ base_colour >>= 16;
+
+ vector<Annotation> annotations;
+ decoder_stack->get_annotation_subset(annotations, row,
+ sample_range.first, sample_range.second);
+ if (!annotations.empty()) {
+ draw_annotations(annotations, p, annotation_height, pp, y,
+ base_colour, row_title_width);
+
+ y += row_height_;
+
+ visible_rows_.push_back(row);
+ }
+ }
+
+ // Draw the hatching
+ draw_unresolved_period(p, annotation_height, pp.left(), pp.right());
+
+ if ((int)visible_rows_.size() > max_visible_rows_)
+ owner_->extents_changed(false, true);
+
+ // Update the maximum row count if needed
+ max_visible_rows_ = max(max_visible_rows_, (int)visible_rows_.size());
+}
+
+void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
+{
+ using namespace pv::data::decode;
+
+ assert(row_height_);
+
+ for (size_t i = 0; i < visible_rows_.size(); i++) {
+ const int y = i * row_height_ + get_visual_y();
+
+ p.setPen(QPen(Qt::NoPen));
+ p.setBrush(QApplication::palette().brush(QPalette::WindowText));
+
+ if (i != 0) {
+ const QPointF points[] = {
+ QPointF(pp.left(), y - ArrowSize),
+ QPointF(pp.left() + ArrowSize, y),
+ QPointF(pp.left(), y + ArrowSize)
+ };
+ p.drawPolygon(points, countof(points));
+ }
+
+ const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2,
+ pp.right() - pp.left(), row_height_);
+ const QString h(visible_rows_[i].title());
+ const int f = Qt::AlignLeft | Qt::AlignVCenter |
+ Qt::TextDontClip;
+
+ // Draw the outline
+ p.setPen(QApplication::palette().color(QPalette::Base));
+ for (int dx = -1; dx <= 1; dx++)
+ for (int dy = -1; dy <= 1; dy++)
+ if (dx != 0 && dy != 0)
+ p.drawText(r.translated(dx, dy), f, h);
+
+ // Draw the text
+ p.setPen(QApplication::palette().color(QPalette::WindowText));
+ p.drawText(r, f, h);
+ }
+}
+
+void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
+{
+ using pv::data::decode::Decoder;
+
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ assert(form);
+ assert(parent);
+ assert(decoder_stack);
+
+ // Add the standard options
+ Trace::populate_popup_form(parent, form);
+
+ // Add the decoder options
+ bindings_.clear();
+ channel_selectors_.clear();
+ decoder_forms_.clear();
+
+ const list< shared_ptr<Decoder> >& stack = decoder_stack->stack();
+
+ if (stack.empty()) {
+ QLabel *const l = new QLabel(
+ tr("<p><i>No decoders in the stack</i></p>"));
+ l->setAlignment(Qt::AlignCenter);
+ form->addRow(l);
+ } else {
+ auto iter = stack.cbegin();
+ for (int i = 0; i < (int)stack.size(); i++, iter++) {
+ shared_ptr<Decoder> dec(*iter);
+ create_decoder_form(i, dec, parent, form);
+ }
+
+ form->addRow(new QLabel(
+ tr("<i>* Required channels</i>"), parent));
+ }
+
+ // Add stacking button
+ pv::widgets::DecoderMenu *const decoder_menu =
+ new pv::widgets::DecoderMenu(parent);
+ connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
+ this, SLOT(on_stack_decoder(srd_decoder*)));
+
+ QPushButton *const stack_button =
+ new QPushButton(tr("Stack Decoder"), parent);
+ stack_button->setMenu(decoder_menu);
+ stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one"));
+
+ QHBoxLayout *stack_button_box = new QHBoxLayout;
+ stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
+ form->addRow(stack_button_box);
+}
+
+QMenu* DecodeTrace::create_context_menu(QWidget *parent)
+{
+ QMenu *const menu = Trace::create_context_menu(parent);
+
+ menu->addSeparator();
+
+ QAction *const del = new QAction(tr("Delete"), this);
+ del->setShortcuts(QKeySequence::Delete);
+ connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
+ menu->addAction(del);
+
+ return menu;
+}
+
+void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations,
+ QPainter &p, int h, const ViewItemPaintParams &pp, int y,
+ size_t base_colour, int row_title_width)
+{
+ using namespace pv::data::decode;
+
+ vector<Annotation> a_block;
+ int p_end = INT_MIN;
+
+ double samples_per_pixel, pixels_offset;
+ tie(pixels_offset, samples_per_pixel) =
+ get_pixels_offset_samples_per_pixel();
+
+ // Sort the annotations by start sample so that decoders
+ // can't confuse us by creating annotations out of order
+ stable_sort(annotations.begin(), annotations.end(),
+ [](const Annotation &a, const Annotation &b) {
+ return a.start_sample() < b.start_sample(); });
+
+ // Gather all annotations that form a visual "block" and draw them as such
+ for (const Annotation &a : annotations) {
+
+ const int a_start = a.start_sample() / samples_per_pixel - pixels_offset;
+ const int a_end = a.end_sample() / samples_per_pixel - pixels_offset;
+ const int a_width = a_end - a_start;
+
+ const int delta = a_end - p_end;
+
+ bool a_is_separate = false;
+
+ // Annotation wider than the threshold for a useful label width?
+ if (a_width >= min_useful_label_width_) {
+ for (const QString &ann_text : a.annotations()) {
+ const int w = p.boundingRect(QRectF(), 0, ann_text).width();
+ // Annotation wide enough to fit a label? Don't put it in a block then
+ if (w <= a_width) {
+ a_is_separate = true;
+ break;
+ }
+ }
+ }
+
+ // Were the previous and this annotation more than a pixel apart?
+ if ((abs(delta) > 1) || a_is_separate) {
+ // Block was broken, draw annotations that form the current block
+ if (a_block.size() == 1) {
+ draw_annotation(a_block.front(), p, h, pp, y, base_colour,
+ row_title_width);
+ }
+ else
+ draw_annotation_block(a_block, p, h, y, base_colour);
+
+ a_block.clear();
+ }
+
+ if (a_is_separate) {
+ draw_annotation(a, p, h, pp, y, base_colour, row_title_width);
+ // Next annotation must start a new block. delta will be > 1
+ // because we set p_end to INT_MIN but that's okay since
+ // a_block will be empty, so nothing will be drawn
+ p_end = INT_MIN;
+ } else {
+ a_block.push_back(a);
+ p_end = a_end;
+ }
+ }
+
+ if (a_block.size() == 1)
+ draw_annotation(a_block.front(), p, h, pp, y, base_colour,
+ row_title_width);
+ else
+ draw_annotation_block(a_block, p, h, y, base_colour);
+}
+
+void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
+ QPainter &p, int h, const ViewItemPaintParams &pp, int y,
+ size_t base_colour, int row_title_width) const
+{
+ double samples_per_pixel, pixels_offset;
+ tie(pixels_offset, samples_per_pixel) =
+ get_pixels_offset_samples_per_pixel();
+
+ const double start = a.start_sample() / samples_per_pixel -
+ pixels_offset;
+ const double end = a.end_sample() / samples_per_pixel - pixels_offset;
+
+ const size_t colour = (base_colour + a.format()) % countof(Colours);
+ p.setPen(OutlineColours[colour]);
+ p.setBrush(Colours[colour]);
+
+ if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding)
+ return;
+
+ if (a.start_sample() == a.end_sample())
+ draw_instant(a, p, h, start, y);
+ else
+ draw_range(a, p, h, start, end, y, pp, row_title_width);
+}
+
+void DecodeTrace::draw_annotation_block(
+ vector<pv::data::decode::Annotation> annotations, QPainter &p, int h,
+ int y, size_t base_colour) const
+{
+ using namespace pv::data::decode;
+
+ if (annotations.empty())
+ return;
+
+ double samples_per_pixel, pixels_offset;
+ tie(pixels_offset, samples_per_pixel) =
+ get_pixels_offset_samples_per_pixel();
+
+ const double start = annotations.front().start_sample() /
+ samples_per_pixel - pixels_offset;
+ const double end = annotations.back().end_sample() /
+ samples_per_pixel - pixels_offset;
+
+ const double top = y + .5 - h / 2;
+ const double bottom = y + .5 + h / 2;
+
+ const size_t colour = (base_colour + annotations.front().format()) %
+ countof(Colours);
+
+ // Check if all annotations are of the same type (i.e. we can use one color)
+ // or if we should use a neutral color (i.e. gray)
+ const int format = annotations.front().format();
+ const bool single_format = all_of(
+ annotations.begin(), annotations.end(),
+ [&](const Annotation &a) { return a.format() == format; });
+
+ const QRectF rect(start, top, end - start, bottom - top);
+ const int r = h / 4;
+
+ p.setPen(QPen(Qt::NoPen));
+ p.setBrush(Qt::white);
+ p.drawRoundedRect(rect, r, r);
+
+ p.setPen((single_format ? OutlineColours[colour] : Qt::gray));
+ p.setBrush(QBrush((single_format ? Colours[colour] : Qt::gray),
+ Qt::Dense4Pattern));
+ p.drawRoundedRect(rect, r, r);
+}
+
+void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
+ int h, double x, int y) const
+{
+ const QString text = a.annotations().empty() ?
+ QString() : a.annotations().back();
+ const double w = min((double)p.boundingRect(QRectF(), 0, text).width(),
+ 0.0) + h;
+ const QRectF rect(x - w / 2, y - h / 2, w, h);
+
+ p.drawRoundedRect(rect, h / 2, h / 2);
+
+ p.setPen(Qt::black);
+ p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
+}
+
+void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
+ int h, double start, double end, int y, const ViewItemPaintParams &pp,
+ int row_title_width) const
+{
+ const double top = y + .5 - h / 2;
+ const double bottom = y + .5 + h / 2;
+ const vector<QString> annotations = a.annotations();
+
+ // If the two ends are within 1 pixel, draw a vertical line
+ if (start + 1.0 > end) {
+ p.drawLine(QPointF(start, top), QPointF(start, bottom));
+ return;
+ }
+
+ const double cap_width = min((end - start) / 4, EndCapWidth);
+
+ QPointF pts[] = {
+ QPointF(start, y + .5f),
+ QPointF(start + cap_width, top),
+ QPointF(end - cap_width, top),
+ QPointF(end, y + .5f),
+ QPointF(end - cap_width, bottom),
+ QPointF(start + cap_width, bottom)
+ };
+
+ p.drawConvexPolygon(pts, countof(pts));
+
+ if (annotations.empty())
+ return;
+
+ const int ann_start = start + cap_width;
+ const int ann_end = end - cap_width;
+
+ const int real_start = max(ann_start, pp.left() + row_title_width);
+ const int real_end = min(ann_end, pp.right());
+ const int real_width = real_end - real_start;
+
+ QRectF rect(real_start, y - h / 2, real_width, h);
+ if (rect.width() <= 4)
+ return;
+
+ p.setPen(Qt::black);
+
+ // Try to find an annotation that will fit
+ QString best_annotation;
+ int best_width = 0;
+
+ for (const QString &a : annotations) {
+ const int w = p.boundingRect(QRectF(), 0, a).width();
+ if (w <= rect.width() && w > best_width)
+ best_annotation = a, best_width = w;
+ }
+
+ if (best_annotation.isEmpty())
+ best_annotation = annotations.back();
+
+ // If not ellide the last in the list
+ p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
+ best_annotation, Qt::ElideRight, rect.width()));
+}
+
+void DecodeTrace::draw_error(QPainter &p, const QString &message,
+ const ViewItemPaintParams &pp)
+{
+ const int y = get_visual_y();
+
+ p.setPen(ErrorBgColour.darker());
+ p.setBrush(ErrorBgColour);
+
+ const QRectF bounding_rect =
+ QRectF(pp.width(), INT_MIN / 2 + y, pp.width(), INT_MAX);
+ const QRectF text_rect = p.boundingRect(bounding_rect,
+ Qt::AlignCenter, message);
+ const float r = text_rect.height() / 4;
+
+ p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
+ Qt::AbsoluteSize);
+
+ p.setPen(Qt::black);
+ p.drawText(text_rect, message);
+}
+
+void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
+ int right) const
+{
+ using namespace pv::data;
+ using pv::data::decode::Decoder;
+
+ double samples_per_pixel, pixels_offset;
+
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ assert(decoder_stack);
+
+ shared_ptr<Logic> data;
+ shared_ptr<data::SignalBase> signalbase;
+
+ const list< shared_ptr<Decoder> > &stack = decoder_stack->stack();
+
+ // We get the logic data of the first channel in the list.
+ // This works because we are currently assuming all
+ // LogicSignals have the same data/segment
+ for (const shared_ptr<Decoder> &dec : stack)
+ if (dec && !dec->channels().empty() &&
+ ((signalbase = (*dec->channels().begin()).second)) &&
+ ((data = signalbase->logic_data())))
+ break;
+
+ if (!data || data->logic_segments().empty())
+ return;
+
+ const shared_ptr<LogicSegment> segment = data->logic_segments().front();
+ assert(segment);
+ const int64_t sample_count = (int64_t)segment->get_sample_count();
+ if (sample_count == 0)
+ return;
+
+ const int64_t samples_decoded = decoder_stack->samples_decoded();
+ if (sample_count == samples_decoded)
+ return;
+
+ const int y = get_visual_y();
+
+ tie(pixels_offset, samples_per_pixel) =
+ get_pixels_offset_samples_per_pixel();
+
+ const double start = max(samples_decoded /
+ samples_per_pixel - pixels_offset, left - 1.0);
+ const double end = min(sample_count / samples_per_pixel -
+ pixels_offset, right + 1.0);
+ const QRectF no_decode_rect(start, y - (h / 2) + 0.5, end - start, h);
+
+ p.setPen(QPen(Qt::NoPen));
+ p.setBrush(Qt::white);
+ p.drawRect(no_decode_rect);
+
+ p.setPen(NoDecodeColour);
+ p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
+ p.drawRect(no_decode_rect);
+}
+
+pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
+{
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ assert(owner_);
+ assert(decoder_stack);
+
+ const View *view = owner_->view();
+ assert(view);
+
+ const double scale = view->scale();
+ assert(scale > 0);
+
+ const double pixels_offset =
+ ((view->offset() - decoder_stack->start_time()) / scale).convert_to<double>();
+
+ double samplerate = decoder_stack->samplerate();
+
+ // Show sample rate as 1Hz when it is unknown
+ if (samplerate == 0.0)
+ samplerate = 1.0;
+
+ return make_pair(pixels_offset, samplerate * scale);
+}
+
+pair<uint64_t, uint64_t> DecodeTrace::get_sample_range(
+ int x_start, int x_end) const
+{
+ double samples_per_pixel, pixels_offset;
+ tie(pixels_offset, samples_per_pixel) =
+ get_pixels_offset_samples_per_pixel();
+
+ const uint64_t start = (uint64_t)max(
+ (x_start + pixels_offset) * samples_per_pixel, 0.0);
+ const uint64_t end = (uint64_t)max(
+ (x_end + pixels_offset) * samples_per_pixel, 0.0);
+
+ return make_pair(start, end);
+}
+
+int DecodeTrace::get_row_at_point(const QPoint &point)
+{
+ if (!row_height_)
+ return -1;
+
+ const int y = (point.y() - get_visual_y() + row_height_ / 2);
+
+ /* Integer divison of (x-1)/x would yield 0, so we check for this. */
+ if (y < 0)
+ return -1;
+
+ const int row = y / row_height_;
+
+ if (row >= (int)visible_rows_.size())
+ return -1;
+
+ return row;
+}
+
+const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
+{
+ using namespace pv::data::decode;
+
+ if (!enabled())
+ return QString();
+
+ const pair<uint64_t, uint64_t> sample_range =
+ get_sample_range(point.x(), point.x() + 1);
+ const int row = get_row_at_point(point);
+ if (row < 0)
+ return QString();
+
+ vector<pv::data::decode::Annotation> annotations;
+
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ assert(decoder_stack);
+ decoder_stack->get_annotation_subset(annotations, visible_rows_[row],
+ sample_range.first, sample_range.second);
+
+ return (annotations.empty()) ?
+ QString() : annotations[0].annotations().front();
+}
+
+void DecodeTrace::hover_point_changed()
+{
+ assert(owner_);
+
+ const View *const view = owner_->view();
+ assert(view);
+
+ QPoint hp = view->hover_point();
+ QString ann = get_annotation_at_point(hp);
+
+ assert(view);
+
+ if (!row_height_ || ann.isEmpty()) {
+ QToolTip::hideText();
+ return;
+ }
+
+ const int hover_row = get_row_at_point(hp);
+
+ QFontMetrics m(QToolTip::font());
+ const QRect text_size = m.boundingRect(QRect(), 0, ann);
+
+ // This is OS-specific and unfortunately we can't query it, so
+ // use an approximation to at least try to minimize the error.
+ const int padding = 8;
+
+ // Make sure the tool tip doesn't overlap with the mouse cursor.
+ // If it did, the tool tip would constantly hide and re-appear.
+ // We also push it up by one row so that it appears above the
+ // decode trace, not below.
+ hp.setX(hp.x() - (text_size.width() / 2) - padding);
+
+ hp.setY(get_visual_y() - (row_height_ / 2) +
+ (hover_row * row_height_) -
+ row_height_ - text_size.height() - padding);
+
+ QToolTip::showText(view->viewport()->mapToGlobal(hp), ann);
+}
+
+void DecodeTrace::create_decoder_form(int index,
+ shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
+ QFormLayout *form)
+{
+ const GSList *l;
+ GlobalSettings settings;
+
+ assert(dec);
+ const srd_decoder *const decoder = dec->decoder();
+ assert(decoder);
+
+ const bool decoder_deletable = index > 0;
+
+ pv::widgets::DecoderGroupBox *const group =
+ new pv::widgets::DecoderGroupBox(
+ QString::fromUtf8(decoder->name),
+ tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname),
+ QString::fromUtf8(decoder->desc)),
+ nullptr, decoder_deletable);
+ group->set_decoder_visible(dec->shown());
+
+ if (decoder_deletable) {
+ delete_mapper_.setMapping(group, index);
+ connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map()));
+ }
+
+ show_hide_mapper_.setMapping(group, index);
+ connect(group, SIGNAL(show_hide_decoder()),
+ &show_hide_mapper_, SLOT(map()));
+
+ QFormLayout *const decoder_form = new QFormLayout;
+ group->add_layout(decoder_form);
+
+ // Add the mandatory channels
+ for (l = decoder->channels; l; l = l->next) {
+ const struct srd_channel *const pdch =
+ (struct srd_channel *)l->data;
+
+ QComboBox *const combo = create_channel_selector(parent, dec, pdch);
+ QComboBox *const combo_initial_pin = create_channel_selector_initial_pin(parent, dec, pdch);
+
+ connect(combo, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(on_channel_selected(int)));
+ connect(combo_initial_pin, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(on_initial_pin_selected(int)));
+
+ QHBoxLayout *const hlayout = new QHBoxLayout;
+ hlayout->addWidget(combo);
+ hlayout->addWidget(combo_initial_pin);
+
+ if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool())
+ combo_initial_pin->hide();
+
+ decoder_form->addRow(tr("<b>%1</b> (%2) *")
+ .arg(QString::fromUtf8(pdch->name),
+ QString::fromUtf8(pdch->desc)), hlayout);
+
+ const ChannelSelector s = {combo, combo_initial_pin, dec, pdch};
+ channel_selectors_.push_back(s);
+ }
+
+ // Add the optional channels
+ for (l = decoder->opt_channels; l; l = l->next) {
+ const struct srd_channel *const pdch =
+ (struct srd_channel *)l->data;
+
+ QComboBox *const combo = create_channel_selector(parent, dec, pdch);
+ QComboBox *const combo_initial_pin = create_channel_selector_initial_pin(parent, dec, pdch);
+
+ connect(combo, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(on_channel_selected(int)));
+ connect(combo_initial_pin, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(on_initial_pin_selected(int)));
+
+ QHBoxLayout *const hlayout = new QHBoxLayout;
+ hlayout->addWidget(combo);
+ hlayout->addWidget(combo_initial_pin);
+
+ if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool())
+ combo_initial_pin->hide();
+
+ decoder_form->addRow(tr("<b>%1</b> (%2)")
+ .arg(QString::fromUtf8(pdch->name),
+ QString::fromUtf8(pdch->desc)), hlayout);
+
+ const ChannelSelector s = {combo, combo_initial_pin, dec, pdch};
+ channel_selectors_.push_back(s);
+ }
+
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ // Add the options
+ shared_ptr<binding::Decoder> binding(
+ new binding::Decoder(decoder_stack, dec));
+ binding->add_properties_to_form(decoder_form, true);
+
+ bindings_.push_back(binding);
+
+ form->addRow(group);
+ decoder_forms_.push_back(group);
+}
+
+QComboBox* DecodeTrace::create_channel_selector(
+ QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
+ const srd_channel *const pdch)
+{
+ assert(dec);
+
+ const auto sigs(session_.signalbases());
+
+ vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end());
+ sort(sig_list.begin(), sig_list.end(),
+ [](const shared_ptr<data::SignalBase> &a,
+ const shared_ptr<data::SignalBase> &b) {
+ return strnatcasecmp(a->name().toStdString(),
+ b->name().toStdString()) < 0; });
+
+ const auto channel_iter = dec->channels().find(pdch);
+
+ QComboBox *selector = new QComboBox(parent);
+
+ selector->addItem("-", qVariantFromValue((void*)nullptr));
+
+ if (channel_iter == dec->channels().end())
+ selector->setCurrentIndex(0);
+
+ for (const shared_ptr<data::SignalBase> &b : sig_list) {
+ assert(b);
+ if (b->logic_data() && b->enabled()) {
+ selector->addItem(b->name(),
+ qVariantFromValue((void*)b.get()));
+
+ if (channel_iter != dec->channels().end() &&
+ (*channel_iter).second == b)
+ selector->setCurrentIndex(
+ selector->count() - 1);
+ }
+ }
+
+ return selector;
+}
+
+QComboBox* DecodeTrace::create_channel_selector_initial_pin(QWidget *parent,
+ const shared_ptr<data::decode::Decoder> &dec, const srd_channel *const pdch)
+{
+ QComboBox *selector = new QComboBox(parent);
+
+ selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW));
+ selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH));
+ selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0));
+
+ // Default to index 2 (SRD_INITIAL_PIN_SAME_AS_SAMPLE0).
+ const int idx = (!dec->initial_pins()) ? 2 : dec->initial_pins()->data[pdch->order];
+ selector->setCurrentIndex(idx);
+
+ selector->setToolTip("Initial (assumed) pin value before the first sample");
+
+ return selector;
+}
+
+void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec)
+{
+ assert(dec);
+
+ map<const srd_channel*, shared_ptr<data::SignalBase> > channel_map;
+
+ const unordered_set< shared_ptr<data::SignalBase> >
+ sigs(session_.signalbases());
+
+ GArray *const initial_pins = g_array_sized_new(FALSE, TRUE,
+ sizeof(uint8_t), channel_selectors_.size());
+ g_array_set_size(initial_pins, channel_selectors_.size());
+
+ for (const ChannelSelector &s : channel_selectors_) {
+ if (s.decoder_ != dec)
+ break;
+
+ const data::SignalBase *const selection =
+ (data::SignalBase*)s.combo_->itemData(
+ s.combo_->currentIndex()).value<void*>();
+
+ for (shared_ptr<data::SignalBase> sig : sigs)
+ if (sig.get() == selection) {
+ channel_map[s.pdch_] = sig;
+ break;
+ }
+
+ int selection_initial_pin = s.combo_initial_pin_->itemData(
+ s.combo_initial_pin_->currentIndex()).value<int>();
+
+ initial_pins->data[s.pdch_->order] = selection_initial_pin;
+ }
+
+ dec->set_channels(channel_map);
+ dec->set_initial_pins(initial_pins);
+}
+
+void DecodeTrace::commit_channels()
+{
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ assert(decoder_stack);
+ for (shared_ptr<data::decode::Decoder> dec : decoder_stack->stack())
+ commit_decoder_channels(dec);
+
+ decoder_stack->begin_decode();
+}
+
+void DecodeTrace::on_new_decode_data()
+{
+ if (owner_)
+ owner_->row_item_appearance_changed(false, true);
+}
+
+void DecodeTrace::delete_pressed()
+{
+ on_delete();
+}
+
+void DecodeTrace::on_delete()
+{
+ session_.remove_decode_signal(base_);
+}
+
+void DecodeTrace::on_channel_selected(int)
+{
+ commit_channels();
+}
+
+void DecodeTrace::on_initial_pin_selected(int)
+{
+ commit_channels();
+}
+
+void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
+{
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ assert(decoder);
+ assert(decoder_stack);
+ decoder_stack->push(make_shared<data::decode::Decoder>(decoder));
+ decoder_stack->begin_decode();
+
+ create_popup_form();
+}
+
+void DecodeTrace::on_delete_decoder(int index)
+{
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ decoder_stack->remove(index);
+
+ // Update the popup
+ create_popup_form();
+
+ decoder_stack->begin_decode();
+}
+
+void DecodeTrace::on_show_hide_decoder(int index)
+{
+ using pv::data::decode::Decoder;
+
+ shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack();
+
+ const list< shared_ptr<Decoder> > stack(decoder_stack->stack());
+
+ // Find the decoder in the stack
+ auto iter = stack.cbegin();
+ for (int i = 0; i < index; i++, iter++)
+ assert(iter != stack.end());
+
+ shared_ptr<Decoder> dec = *iter;
+ assert(dec);
+
+ const bool show = !dec->shown();
+ dec->show(show);
+
+ assert(index < (int)decoder_forms_.size());
+ decoder_forms_[index]->set_decoder_visible(show);
+
+ if (owner_)
+ owner_->row_item_appearance_changed(false, true);
+}
+
+} // namespace trace
+} // namespace views
+} // namespace pv
projects / pulseview.git / blobdiff