X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fdecodetrace.cpp;h=30f333ddc7c4fe033ed439653f57354ab6fd68fd;hb=8b787f41b6d33dafeb045a09c7690bbf895d483b;hp=c7796efcf8618784fd463d9d5840b265ee77fe78;hpb=d01fcb19af6b6c9dd3c6c568e4be71a3cedc8003;p=pulseview.git diff --git a/pv/views/trace/decodetrace.cpp b/pv/views/trace/decodetrace.cpp index c7796efc..30f333dd 100644 --- a/pv/views/trace/decodetrace.cpp +++ b/pv/views/trace/decodetrace.cpp @@ -58,6 +58,8 @@ extern "C" { #include using std::abs; +using std::find_if; +using std::lock_guard; using std::make_pair; using std::max; using std::min; @@ -70,7 +72,7 @@ using std::vector; using pv::data::decode::Annotation; using pv::data::decode::Row; -using pv::data::DecodeChannel; +using pv::data::decode::DecodeChannel; using pv::data::DecodeSignal; namespace pv { @@ -84,7 +86,7 @@ namespace trace { const QColor DecodeTrace::ErrorBgColor = QColor(0xEF, 0x29, 0x29); const QColor DecodeTrace::NoDecodeColor = QColor(0x88, 0x8A, 0x85); -const int DecodeTrace::ArrowSize = 4; +const int DecodeTrace::ArrowSize = 7; const double DecodeTrace::EndCapWidth = 5; const int DecodeTrace::RowTitleMargin = 10; const int DecodeTrace::DrawPadding = 100; @@ -95,7 +97,6 @@ DecodeTrace::DecodeTrace(pv::Session &session, shared_ptr signalbase, int index) : Trace(signalbase), session_(session), - row_height_(0), max_visible_rows_(0), delete_mapper_(this), show_hide_mapper_(this) @@ -111,6 +112,8 @@ DecodeTrace::DecodeTrace(pv::Session &session, QFontMetrics m(QApplication::font()); min_useful_label_width_ = m.width("XX"); // e.g. two hex characters + default_row_height_ = (ViewItemPaintParams::text_height() * 6) / 4; + // For the base color, we want to start at a very different color for // every decoder stack, so multiply the index with a number that is // rather close to 180 degrees of the color circle but not a dividend of 360 @@ -159,12 +162,16 @@ shared_ptr DecodeTrace::base() const pair 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_); + if (max_visible_rows_ == 0) + return make_pair(-default_row_height_, default_row_height_); + + unsigned int height = 0; + for (const RowData& r : rows_) + if (r.currently_visible) + height += r.height; - return make_pair(-row_height, row_height * row_count); + return make_pair(-default_row_height_, height); } void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp) @@ -175,15 +182,14 @@ void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp) void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) { + lock_guard lock(row_modification_mutex_); + const int text_height = ViewItemPaintParams::text_height(); - row_height_ = (text_height * 6) / 4; const int annotation_height = (text_height * 5) / 4; // Set default pen to allow for text width calculation p.setPen(Qt::black); - // Iterate through the rows - int y = get_visual_y(); pair sample_range = get_view_sample_range(pp.left(), pp.right()); // Just because the view says we see a certain sample range it @@ -192,36 +198,34 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) sample_range.second = min((int64_t)sample_range.second, decode_signal_->get_decoded_sample_count(current_segment_, false)); - const vector rows = decode_signal_->get_rows(!always_show_all_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; - } + for (RowData& r : rows_) + r.currently_visible = false; + visible_rows_ = 0; + int y = get_visual_y(); + for (RowData& r : rows_) { vector annotations; - decode_signal_->get_annotation_subset(annotations, row, + decode_signal_->get_annotation_subset(annotations, r.decode_row, current_segment_, sample_range.first, sample_range.second); - if (always_show_all_rows_ || !annotations.empty()) { + + // Show row if there are visible annotations or when user wants to see + // all rows that have annotations somewhere and this one is one of them + size_t ann_count = decode_signal_->get_annotation_count(r.decode_row, current_segment_); + r.currently_visible = (!annotations.empty() || (always_show_all_rows_ && (ann_count > 0))) + && (r.decode_row.decoder()->shown()); + + if (r.currently_visible) { draw_annotations(annotations, p, annotation_height, pp, y, - get_row_color(row.index()), row_title_width); - y += row_height_; - visible_rows_.push_back(row); + get_row_color(r.decode_row.index()), r.title_width); + y += r.height; + visible_rows_++; } } draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); - if ((int)visible_rows_.size() > max_visible_rows_) { - max_visible_rows_ = (int)visible_rows_.size(); + if (visible_rows_ > max_visible_rows_) { + max_visible_rows_ = visible_rows_; // Call order is important, otherwise the lazy event handler won't work owner_->extents_changed(false, true); @@ -235,26 +239,32 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp) { - assert(row_height_); + unsigned int y = get_visual_y(); - for (size_t i = 0; i < visible_rows_.size(); i++) { - const int y = i * row_height_ + get_visual_y(); + for (const RowData& r : rows_) { + if (!r.currently_visible) + continue; 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)); - } + if (r.expand_marker_highlighted) + p.setBrush(QApplication::palette().brush(QPalette::HighlightedText)); + else + p.setBrush(QApplication::palette().brush(QPalette::WindowText)); - const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, - pp.right() - pp.left(), row_height_); - const QString h(visible_rows_[i].title()); + // Draw expansion marker + const QPointF points[] = { + QPointF(pp.left(), y - ArrowSize), + QPointF(pp.left() + ArrowSize, y), + QPointF(pp.left(), y + ArrowSize) + }; + p.drawPolygon(points, countof(points)); + + p.setBrush(QApplication::palette().brush(QPalette::WindowText)); + + const QRect text_rect(pp.left() + ArrowSize * 2, y - r.height / 2, + pp.right() - pp.left(), r.height); + const QString h(r.decode_row.title()); const int f = Qt::AlignLeft | Qt::AlignVCenter | Qt::TextDontClip; @@ -263,11 +273,13 @@ void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp) 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); + p.drawText(text_rect.translated(dx, dy), f, h); // Draw the text p.setPen(QApplication::palette().color(QPalette::WindowText)); - p.drawText(r, f, h); + p.drawText(text_rect, f, h); + + y += r.height; } if (show_hover_marker_) @@ -377,11 +389,10 @@ QMenu* DecodeTrace::create_view_context_menu(QWidget *parent, QPoint &click_pos) menu->addSeparator(); } - try { - selected_row_ = &visible_rows_[get_row_at_point(click_pos)]; - } catch (out_of_range&) { - selected_row_ = nullptr; - } + selected_row_ = nullptr; + const RowData* r = get_row_at_point(click_pos); + if (r) + selected_row_ = &(r->decode_row); const View *const view = owner_->view(); assert(view); @@ -816,23 +827,36 @@ QColor DecodeTrace::get_annotation_color(QColor row_color, int annotation_index) return color; } -int DecodeTrace::get_row_at_point(const QPoint &point) +unsigned int DecodeTrace::get_row_y(const RowData* row) const { - if (!row_height_) - return -1; + assert(row); + + unsigned int y = get_visual_y(); - const int y = (point.y() - get_visual_y() + row_height_ / 2); + for (const RowData& r : rows_) + if (row != &r) + y += r.height; + else + break; - /* Integer divison of (x-1)/x would yield 0, so we check for this. */ - if (y < 0) - return -1; + return y; +} + +RowData* DecodeTrace::get_row_at_point(const QPoint &point) +{ + int y = get_visual_y(); + + for (RowData& r : rows_) { + if (!r.currently_visible) + continue; - const int row = y / row_height_; + if ((point.y() >= y) && (point.y() < (int)(y + r.height))) + return &r; - if (row >= (int)visible_rows_.size()) - return -1; + y += r.height; + } - return row; + return nullptr; } const QString DecodeTrace::get_annotation_at_point(const QPoint &point) @@ -844,13 +868,14 @@ const QString DecodeTrace::get_annotation_at_point(const QPoint &point) const pair sample_range = get_view_sample_range(point.x(), point.x() + 1); - const int row = get_row_at_point(point); - if (row < 0) + const RowData* r = get_row_at_point(point); + + if (!r) return QString(); vector annotations; - decode_signal_->get_annotation_subset(annotations, visible_rows_[row], + decode_signal_->get_annotation_subset(annotations, r->decode_row, current_segment_, sample_range.first, sample_range.second); return (annotations.empty()) ? @@ -863,42 +888,51 @@ void DecodeTrace::hover_point_changed(const QPoint &hp) assert(owner_); - const View *const view = owner_->view(); - assert(view); + RowData* hover_row = get_row_at_point(hp); - if (hp.x() == 0) { - QToolTip::hideText(); - return; + // Row/class visibility button handling + for (RowData& r : rows_) + r.expand_marker_highlighted = false; + + if (hover_row) { + int row_y = get_row_y(hover_row); + if ((hp.x() > 0) && (hp.x() < ArrowSize) && + (hp.y() > (int)(row_y - ArrowSize)) && (hp.y() < (int)(row_y + ArrowSize))) + hover_row->expand_marker_highlighted = true; } - QString ann = get_annotation_at_point(hp); + // Tooltip handling + if (hp.x() > 0) { + QString ann = get_annotation_at_point(hp); - if (!row_height_ || ann.isEmpty()) { - QToolTip::hideText(); - return; - } + if (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); - 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; - // 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. + QPoint p = hp; + p.setX(hp.x() - (text_size.width() / 2) - padding); - // 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. - QPoint p = hp; - p.setX(hp.x() - (text_size.width() / 2) - padding); + p.setY(get_row_y(hover_row) - hover_row->height - default_row_height_ - + text_size.height() - padding); - p.setY(get_visual_y() - (row_height_ / 2) + - (hover_row * row_height_) - - row_height_ - text_size.height() - padding); + const View *const view = owner_->view(); + assert(view); + QToolTip::showText(view->viewport()->mapToGlobal(p), ann); - QToolTip::showText(view->viewport()->mapToGlobal(p), ann); + } else + QToolTip::hideText(); } void DecodeTrace::create_decoder_form(int index, @@ -1061,7 +1095,7 @@ void DecodeTrace::export_annotations(vector *annotations) const QString out_text = format; out_text = out_text.replace("%s", sample_range); out_text = out_text.replace("%d", - quote + QString::fromUtf8(ann.row()->decoder()->name) + quote); + quote + QString::fromUtf8(ann.row()->decoder()->name()) + quote); out_text = out_text.replace("%c", class_name); out_text = out_text.replace("%1", first_ann_text); out_text = out_text.replace("%a", all_ann_text); @@ -1079,10 +1113,60 @@ void DecodeTrace::export_annotations(vector *annotations) const msg.exec(); } +void DecodeTrace::update_rows() +{ + lock_guard lock(row_modification_mutex_); + + QFontMetrics m(QApplication::font()); + + for (RowData& r : rows_) + r.exists = false; + + for (const Row& decode_row : decode_signal_->get_rows()) { + // Find row in our list + auto r_it = find_if(rows_.begin(), rows_.end(), + [&](RowData& r){ return r.decode_row == decode_row; }); + + RowData* r = nullptr; + if (r_it == rows_.end()) { + // Row doesn't exist yet, create and append it + RowData nr; + nr.decode_row = decode_row; + nr.height = default_row_height_; + nr.currently_visible = false; + nr.expand_marker_highlighted = false; + nr.expanded = false; + + rows_.push_back(nr); + r = &rows_.back(); + } else + r = &(*r_it); + + r->exists = true; + + const int w = m.boundingRect(r->decode_row.title()).width() + RowTitleMargin; + r->title_width = w; + } + + // Remove any rows that no longer exist, obeying that iterators are invalidated + bool any_exists; + do { + any_exists = false; + + for (unsigned int i = 0; i < rows_.size(); i++) + if (!rows_[i].exists) { + rows_.erase(rows_.begin() + i); + any_exists = true; + break; + } + } while (any_exists); +} + void DecodeTrace::on_setting_changed(const QString &key, const QVariant &value) { + Trace::on_setting_changed(key, value); + if (key == GlobalSettings::Key_Dec_AlwaysShowAllRows) { - visible_rows_.clear(); max_visible_rows_ = 0; always_show_all_rows_ = value.toBool(); } @@ -1102,8 +1186,8 @@ void DecodeTrace::on_delayed_trace_update() void DecodeTrace::on_decode_reset() { - visible_rows_.clear(); max_visible_rows_ = 0; + update_rows(); if (owner_) owner_->row_item_appearance_changed(false, true); @@ -1169,6 +1253,7 @@ void DecodeTrace::on_init_state_changed(int) void DecodeTrace::on_stack_decoder(srd_decoder *decoder) { decode_signal_->stack_decoder(decoder); + update_rows(); create_popup_form(); } @@ -1176,12 +1261,12 @@ void DecodeTrace::on_stack_decoder(srd_decoder *decoder) void DecodeTrace::on_delete_decoder(int index) { decode_signal_->remove_decoder(index); + update_rows(); - // Force re-calculation of the trace height, see paint_mid() + // Force re-calculation of the trace height max_visible_rows_ = 0; owner_->extents_changed(false, true); - // Update the popup create_popup_form(); } @@ -1217,7 +1302,7 @@ void DecodeTrace::on_copy_annotation_to_clipboard() if (annotations->empty()) return; - QClipboard *clipboard = QGuiApplication::clipboard(); + QClipboard *clipboard = QApplication::clipboard(); clipboard->setText(annotations->front().annotations().front(), QClipboard::Clipboard); if (clipboard->supportsSelection())