#include <cassert>
#include <QColor>
+#include <QMenu>
#include <QToolTip>
#include "cursorpair.hpp"
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<uint32_t>());
+ show_frequency_ = settings.value(
+ GlobalSettings::Key_View_CursorShowFrequency).value<bool>();
+ show_interval_ = settings.value(
+ GlobalSettings::Key_View_CursorShowInterval).value<bool>();
+ show_samples_ = settings.value(
+ GlobalSettings::Key_View_CursorShowSamples).value<bool>();
connect(&view_, SIGNAL(hover_point_changed(const QWidget*, QPoint)),
this, SLOT(on_hover_point_changed(const QWidget*, QPoint)));
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);
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<bool>());
+ });
+
+ 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<bool>());
+ });
+
+ 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<bool>());
+ });
+
+ return menu;
+}
+
QRectF CursorPair::label_rect(const QRectF &rect) const
{
const QSizeF label_size(text_size_ + LabelPadding * 2);
const int radius = delta_rect.height() / 2;
QRectF text_rect(delta_rect.intersected(rect).adjusted(radius, 0, -radius, 0));
- QString text = format_string(text_rect.width(), [&p](const QString& s) -> qreal {
- return p.boundingRect(QRectF(), 0, s).width();
- });
+ 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.drawRect(l, pp.top(), r - l, pp.height());
}
-QString CursorPair::format_string(qreal max_width, std::function<qreal(const QString&)> query_size)
+QString CursorPair::format_string(int max_width, std::function<double(const QString&)> query_size)
{
- constexpr int time_precision = 12;
- constexpr int freq_precision = 4;
+ int time_precision = 12;
+ int freq_precision = 12;
- 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, view_.time_unit(), time_precision, false);
- const QString freq = util::format_time_si(
- 1 / diff, pv::util::SIPrefix::unspecified, freq_precision, "Hz", false);
- const QString out = QString("%1 / %2").arg(time, freq);
+ QString s = format_string_sub(time_precision, freq_precision);
- // Try full "{time} ms / {freq} Hz" format
- if (max_width <= 0 || query_size(out) <= max_width) {
+ // Try full "{time} s / {freq} Hz" format
+ if ((max_width <= 0) || (query_size(s) <= max_width)) {
label_incomplete_ = false;
- return out;
+ return s;
}
label_incomplete_ = true;
- // Try just "{time}ms" format and gradually reduce time precision down to zero
- for (int shrinkage=0; shrinkage <= time_precision; shrinkage++) {
- int prec = time_precision - shrinkage ;
+ // Gradually reduce time precision to match frequency precision
+ while (time_precision > freq_precision) {
+ time_precision--;
- const QString time = Ruler::format_time_with_distance(
- diff, diff, prefix, view_.time_unit(),
- prec, 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--;
- if (query_size(time) <= max_width)
- return time;
+ 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. The unit should be obvious from the ruler
- // anyway.
- const QString bare_number = Ruler::format_time_with_distance(
- diff, diff, prefix, view_.time_unit(),
- 0, false, false);
- if (query_size(bare_number) <= max_width)
- return bare_number;
+ // 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.
+ // Give up
return "...";
}
{
if (key == GlobalSettings::Key_View_CursorFillColor)
fill_color_ = QColor::fromRgba(value.value<uint32_t>());
+
+ if (key == GlobalSettings::Key_View_CursorShowFrequency)
+ show_frequency_ = value.value<bool>();
+
+ if (key == GlobalSettings::Key_View_CursorShowInterval)
+ show_interval_ = value.value<bool>();
+
+ if (key == GlobalSettings::Key_View_CursorShowSamples)
+ show_samples_ = value.value<bool>();
}
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<double>(), 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<uint64_t>());
+ 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