X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fcursorpair.cpp;h=7d7d8e4d6477d2e9efbd2a5b84f1bd3f52ec9d79;hb=20c99cfc69d3c7430817abd9a1f810698deb4a18;hp=933eb8fff33e0c3aaf2ed255dc2a6e00bc5b8754;hpb=c04f5a29b805e2aa7afa06d80363bad1f5b705f6;p=pulseview.git diff --git a/pv/views/trace/cursorpair.cpp b/pv/views/trace/cursorpair.cpp index 933eb8ff..7d7d8e4d 100644 --- a/pv/views/trace/cursorpair.cpp +++ b/pv/views/trace/cursorpair.cpp @@ -21,6 +21,7 @@ #include #include +#include #include #include "cursorpair.hpp" @@ -45,13 +46,20 @@ const int CursorPair::DeltaPadding = 8; CursorPair::CursorPair(View &view) : TimeItem(view), first_(new Cursor(view, 0.0)), - second_(new Cursor(view, 1.0)) + second_(new Cursor(view, 1.0)), + label_incomplete_(true) { GlobalSettings::add_change_handler(this); GlobalSettings settings; fill_color_ = QColor::fromRgba(settings.value( GlobalSettings::Key_View_CursorFillColor).value()); + show_frequency_ = settings.value( + GlobalSettings::Key_View_CursorShowFrequency).value(); + show_interval_ = settings.value( + GlobalSettings::Key_View_CursorShowInterval).value(); + show_samples_ = settings.value( + GlobalSettings::Key_View_CursorShowSamples).value(); connect(&view_, SIGNAL(hover_point_changed(const QWidget*, QPoint)), this, SLOT(on_hover_point_changed(const QWidget*, QPoint))); @@ -84,11 +92,24 @@ void CursorPair::set_time(const pv::util::Timestamp& time) second_->set_time(time + delta); } +const pv::util::Timestamp CursorPair::time() const +{ + return 0; +} + float CursorPair::get_x() const { return (first_->get_x() + second_->get_x()) / 2.0f; } +const pv::util::Timestamp CursorPair::delta(const pv::util::Timestamp& other) const +{ + if (other < second_->time()) + return other - first_->time(); + else + return other - second_->time(); +} + QPoint CursorPair::drag_point(const QRect &rect) const { return first_->drag_point(rect); @@ -100,6 +121,49 @@ pv::widgets::Popup* CursorPair::create_popup(QWidget *parent) return nullptr; } +QMenu *CursorPair::create_header_context_menu(QWidget *parent) +{ + QMenu *menu = new QMenu(parent); + + QAction *displayIntervalAction = new QAction(tr("Display interval"), this); + displayIntervalAction->setCheckable(true); + displayIntervalAction->setChecked(show_interval_); + menu->addAction(displayIntervalAction); + + connect(displayIntervalAction, &QAction::toggled, displayIntervalAction, + [=]{ + GlobalSettings settings; + settings.setValue(GlobalSettings::Key_View_CursorShowInterval, + !settings.value(GlobalSettings::Key_View_CursorShowInterval).value()); + }); + + QAction *displayFrequencyAction = new QAction(tr("Display frequency"), this); + displayFrequencyAction->setCheckable(true); + displayFrequencyAction->setChecked(show_frequency_); + menu->addAction(displayFrequencyAction); + + connect(displayFrequencyAction, &QAction::toggled, displayFrequencyAction, + [=]{ + GlobalSettings settings; + settings.setValue(GlobalSettings::Key_View_CursorShowFrequency, + !settings.value(GlobalSettings::Key_View_CursorShowFrequency).value()); + }); + + QAction *displaySamplesAction = new QAction(tr("Display samples"), this); + displaySamplesAction->setCheckable(true); + displaySamplesAction->setChecked(show_samples_); + menu->addAction(displaySamplesAction); + + connect(displaySamplesAction, &QAction::toggled, displaySamplesAction, + [=]{ + GlobalSettings settings; + settings.setValue(GlobalSettings::Key_View_CursorShowSamples, + !settings.value(GlobalSettings::Key_View_CursorShowSamples).value()); + }); + + return menu; +} + QRectF CursorPair::label_rect(const QRectF &rect) const { const QSizeF label_size(text_size_ + LabelPadding * 2); @@ -129,19 +193,14 @@ void CursorPair::paint_label(QPainter &p, const QRect &rect, bool hover) const QColor text_color = ViewItem::select_text_color(Cursor::FillColor); p.setPen(text_color); - QString text = format_string(); - text_size_ = p.boundingRect(QRectF(), 0, text).size(); - QRectF delta_rect(label_rect(rect)); const int radius = delta_rect.height() / 2; QRectF text_rect(delta_rect.intersected(rect).adjusted(radius, 0, -radius, 0)); - if (text_rect.width() < text_size_.width()) { - text = "..."; - text_size_ = p.boundingRect(QRectF(), 0, text).size(); - label_incomplete_ = true; - } else - label_incomplete_ = false; + QString text = format_string(text_rect.width(), + [&p](const QString& s) -> double { return p.boundingRect(QRectF(), 0, s).width(); }); + + text_size_ = p.boundingRect(QRectF(), 0, text).size(); if (selected()) { p.setBrush(Qt::transparent); @@ -178,17 +237,48 @@ void CursorPair::paint_back(QPainter &p, ViewItemPaintParams &pp) p.drawRect(l, pp.top(), r - l, pp.height()); } -QString CursorPair::format_string() +QString CursorPair::format_string(int max_width, std::function query_size) { - const pv::util::SIPrefix prefix = view_.tick_prefix(); - const pv::util::Timestamp diff = abs(second_->time() - first_->time()); + int time_precision = 12; + int freq_precision = 12; + + QString s = format_string_sub(time_precision, freq_precision); + + // Try full "{time} s / {freq} Hz" format + if ((max_width <= 0) || (query_size(s) <= max_width)) { + label_incomplete_ = false; + return s; + } + + label_incomplete_ = true; + + // Gradually reduce time precision to match frequency precision + while (time_precision > freq_precision) { + time_precision--; - const QString s1 = Ruler::format_time_with_distance( - diff, diff, prefix, view_.time_unit(), 12, false); /* Always use 12 precision digits */ - const QString s2 = util::format_time_si( - 1 / diff, pv::util::SIPrefix::unspecified, 4, "Hz", false); + s = format_string_sub(time_precision, freq_precision); + if (query_size(s) <= max_width) + return s; + } + + // Gradually reduce both precisions down to zero + while (time_precision > 0) { + time_precision--; + freq_precision--; - return QString("%1 / %2").arg(s1, s2); + s = format_string_sub(time_precision, freq_precision); + if (query_size(s) <= max_width) + return s; + } + + // Try no trailing digits and drop the unit to at least display something + s = format_string_sub(0, 0, false); + + if (query_size(s) <= max_width) + return s; + + // Give up + return "..."; } pair CursorPair::get_cursor_offsets() const @@ -203,6 +293,15 @@ void CursorPair::on_setting_changed(const QString &key, const QVariant &value) { if (key == GlobalSettings::Key_View_CursorFillColor) fill_color_ = QColor::fromRgba(value.value()); + + if (key == GlobalSettings::Key_View_CursorShowFrequency) + show_frequency_ = value.value(); + + if (key == GlobalSettings::Key_View_CursorShowInterval) + show_interval_ = value.value(); + + if (key == GlobalSettings::Key_View_CursorShowSamples) + show_samples_ = value.value(); } void CursorPair::on_hover_point_changed(const QWidget* widget, const QPoint& hp) @@ -219,6 +318,52 @@ void CursorPair::on_hover_point_changed(const QWidget* widget, const QPoint& hp) QToolTip::hideText(); // TODO Will break other tooltips when there can be others } +QString CursorPair::format_string_sub(int time_precision, int freq_precision, bool show_unit) +{ + QString s = " "; + + const pv::util::SIPrefix prefix = view_.tick_prefix(); + const pv::util::Timestamp diff = abs(second_->time() - first_->time()); + + const QString time = Ruler::format_time_with_distance( + diff, diff, prefix, (show_unit ? view_.time_unit() : pv::util::TimeUnit::None), + time_precision, false); + + // We can only show a frequency when there's a time base + if (view_.time_unit() == pv::util::TimeUnit::Time) { + int items = 0; + + if (show_frequency_) { + const QString freq = util::format_value_si( + 1 / diff.convert_to(), pv::util::SIPrefix::unspecified, + freq_precision, (show_unit ? "Hz" : nullptr), false); + s = QString("%1").arg(freq); + items++; + } + + if (show_interval_) { + if (items > 0) + s = QString("%1 / %2").arg(s, time); + else + s = QString("%1").arg(time); + items++; + } + + if (show_samples_) { + const QString samples = QString::number( + (diff * view_.session().get_samplerate()).convert_to()); + if (items > 0) + s = QString("%1 / %2").arg(s, samples); + else + s = QString("%1").arg(samples); + } + } else + // In this case, we return the number of samples, really + s = time; + + return s; +} + } // namespace trace } // namespace views } // namespace pv