#include <libsigrokdecode/libsigrokdecode.h>
}
+#include <mutex>
+
#include <extdef.h>
+#include <tuple>
+
#include <boost/functional/hash.hpp>
#include <QAction>
#include <QLabel>
#include <QMenu>
#include <QPushButton>
+#include <QToolTip>
#include "decodetrace.h"
#include <pv/data/decode/annotation.h>
#include <pv/view/logicsignal.h>
#include <pv/view/view.h>
+#include <pv/view/viewport.h>
#include <pv/widgets/decodergroupbox.h>
#include <pv/widgets/decodermenu.h>
+using boost::shared_lock;
+using boost::shared_mutex;
using std::dynamic_pointer_cast;
using std::list;
+using std::lock_guard;
using std::make_pair;
using std::max;
using std::map;
using std::min;
using std::pair;
using std::shared_ptr;
+using std::tie;
using std::vector;
namespace pv {
return _decoder_stack;
}
-void DecodeTrace::set_view(pv::view::View *view)
-{
- assert(view);
- Trace::set_view(view);
-}
-
void DecodeTrace::paint_back(QPainter &p, int left, int right)
{
Trace::paint_back(p, left, right);
}
// Iterate through the rows
- assert(_view);
int y = get_y();
pair<uint64_t, uint64_t> sample_range = get_sample_range(left, right);
assert(_decoder_stack);
const vector<Row> rows(_decoder_stack->get_visible_rows());
- _cur_row_headings.clear();
+ _visible_rows.clear();
for (size_t i = 0; i < rows.size(); i++)
{
const Row &row = rows[i];
base_colour);
y += _row_height;
- _cur_row_headings.push_back(row.title());
+ _visible_rows.push_back(rows[i]);
}
}
assert(_row_height);
- for (size_t i = 0; i < _cur_row_headings.size(); i++)
+ for (size_t i = 0; i < _visible_rows.size(); i++)
{
const int y = i * _row_height + get_y();
const QRect r(left + ArrowSize * 2, y - _row_height / 2,
right - left, _row_height);
- const QString h(_cur_row_headings[i]);
+ const QString h(_visible_rows[i].title());
const int f = Qt::AlignLeft | Qt::AlignVCenter |
Qt::TextDontClip;
QPainter &p, QColor text_color, int h, int left, int right, int y,
size_t base_colour) const
{
- const double samples_per_pixel = get_samples_per_pixel();
- const double pixels_offset = get_pixels_offset();
+ 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;
using namespace pv::data;
using pv::data::decode::Decoder;
+ double samples_per_pixel, pixels_offset;
+
assert(_decoder_stack);
shared_ptr<Logic> data;
const int y = get_y();
- const double samples_per_pixel = get_samples_per_pixel();
- const double pixels_offset = get_pixels_offset();
+ 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);
p.drawRect(no_decode_rect);
}
-double DecodeTrace::get_pixels_offset() const
+pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
{
- assert(_view);
+ assert(_owner);
assert(_decoder_stack);
- const double scale = _view->scale();
- assert(scale > 0);
-
- return (_view->offset() - _decoder_stack->get_start_time()) / scale;
-}
-
-double DecodeTrace::get_samples_per_pixel() const
-{
- assert(_view);
- assert(_decoder_stack);
+ const View *view = _owner->view();
+ assert(view);
- const double scale = _view->scale();
+ const double scale = view->scale();
assert(scale > 0);
+ const double pixels_offset =
+ (view->offset() - _decoder_stack->get_start_time()) / scale;
+
double samplerate = _decoder_stack->samplerate();
// Show sample rate as 1Hz when it is unknown
if (samplerate == 0.0)
samplerate = 1.0;
- return samplerate * scale;
+ 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 row = (point.y() - get_y() + _row_height / 2) / _row_height;
+ if (row < 0 || row >= (int)_visible_rows.size())
+ return -1;
+
+ return row;
}
-pair<uint64_t, uint64_t> DecodeTrace::get_sample_range(int x_start, int x_end) const
+const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
{
- assert(_view);
+ 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;
+
assert(_decoder_stack);
+ _decoder_stack->get_annotation_subset(annotations, _visible_rows[row],
+ sample_range.first, sample_range.second);
- const double samples_per_pixel = get_samples_per_pixel();
- const double pixels_offset = get_pixels_offset();
+ return (annotations.empty()) ?
+ QString() : annotations[0].annotations().front();
+}
- uint64_t start, end;
+void DecodeTrace::hide_hover_annotation()
+{
+ QToolTip::hideText();
+}
- start = (uint64_t)max((x_start + pixels_offset) * samples_per_pixel, 0.0);
- end = (uint64_t)max((x_end + pixels_offset) * samples_per_pixel, 0.0);
+void DecodeTrace::hover_point_changed()
+{
+ assert(_owner);
- return make_pair(start, end);
+ const View *const view = _owner->view();
+ assert(view);
+
+ QPoint hp = view->hover_point();
+ QString ann = get_annotation_at_point(hp);
+
+ assert(view);
+ assert(_row_height);
+
+ if (ann.isEmpty()) {
+ hide_hover_annotation();
+ 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_y() - (_row_height / 2) + (hover_row * _row_height)
+ - _row_height - text_size.height());
+
+ QToolTip::showText(view->viewport()->mapToGlobal(hp), ann);
}
void DecodeTrace::create_decoder_form(int index,
{
assert(dec);
- const vector< shared_ptr<Signal> > sigs = _session.get_signals();
+ shared_lock<shared_mutex> lock(_session.signals_mutex());
+ const vector< shared_ptr<Signal> > &sigs(_session.signals());
assert(_decoder_stack);
const auto channel_iter = dec->channels().find(pdch);
if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
{
- selector->addItem(s->get_name(),
+ selector->addItem(s->name(),
qVariantFromValue((void*)s.get()));
if ((*channel_iter).second == s)
selector->setCurrentIndex(i + 1);
assert(dec);
map<const srd_channel*, shared_ptr<LogicSignal> > channel_map;
- const vector< shared_ptr<Signal> > sigs = _session.get_signals();
+
+ shared_lock<shared_mutex> lock(_session.signals_mutex());
+ const vector< shared_ptr<Signal> > &sigs(_session.signals());
for (const ChannelSelector &s : _channel_selectors)
{
void DecodeTrace::on_new_decode_data()
{
- if (_view)
- _view->update_viewport();
+ if (_owner)
+ _owner->update_viewport();
}
void DecodeTrace::delete_pressed()
assert(index < (int)_decoder_forms.size());
_decoder_forms[index]->set_decoder_visible(show);
- _view->update_viewport();
+ _owner->update_viewport();
}
} // namespace view