#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::make_pair;
using std::map;
using std::min;
+using std::pair;
using std::shared_ptr;
+using std::tie;
using std::vector;
namespace pv {
decoder_stack->stack().front()->decoder()->name)),
_session(session),
_decoder_stack(decoder_stack),
+ _text_height(0),
+ _row_height(0),
_delete_mapper(this),
_show_hide_mapper(this)
{
return _decoder_stack;
}
-void DecodeTrace::set_view(pv::view::View *view)
+pair<int, int> DecodeTrace::v_extents() const
{
- assert(view);
- Trace::set_view(view);
+ /// @todo Replace this with an implementation that knows the true
+ /// height of the trace
+ QFontMetrics m(QApplication::font());
+ const int text_height = m.boundingRect(QRect(), 0, "Tg").height();
+ const int row_height = (text_height * 6) / 4;
+ return make_pair(-row_height / 2, row_height * 7 / 2);
}
void DecodeTrace::paint_back(QPainter &p, int left, int right)
{
Trace::paint_back(p, left, right);
- paint_axis(p, get_y(), left, right);
+ paint_axis(p, get_visual_y(), left, right);
}
void DecodeTrace::paint_mid(QPainter &p, int left, int right)
{
using namespace pv::data::decode;
- const double scale = _view->scale();
- assert(scale > 0);
-
- double samplerate = _decoder_stack->samplerate();
-
- _cur_row_headings.clear();
-
- // Show sample rate as 1Hz when it is unknown
- if (samplerate == 0.0)
- samplerate = 1.0;
-
- const double pixels_offset = (_view->offset() -
- _decoder_stack->get_start_time()) / scale;
- const double samples_per_pixel = samplerate * scale;
-
- const uint64_t start_sample = (uint64_t)max((left + pixels_offset) *
- samples_per_pixel, 0.0);
- const uint64_t end_sample = (uint64_t)max((right + pixels_offset) *
- samples_per_pixel, 0.0);
-
QFontMetrics m(QApplication::font());
- const int text_height = m.boundingRect(QRect(), 0, "Tg").height();
- const int annotation_height = (text_height * 5) / 4;
- const int row_height = (text_height * 6) / 4;
+ _text_height = m.boundingRect(QRect(), 0, "Tg").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, left, right,
- samples_per_pixel, pixels_offset);
+ draw_unresolved_period(p, annotation_height, left, right);
draw_error(p, err, left, right);
return;
}
// Iterate through the rows
- assert(_view);
- int y = get_y();
+ int y = get_visual_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());
+
+ _visible_rows.clear();
for (size_t i = 0; i < rows.size(); i++)
{
const Row &row = rows[i];
vector<Annotation> annotations;
_decoder_stack->get_annotation_subset(annotations, row,
- start_sample, end_sample);
+ sample_range.first, sample_range.second);
if (!annotations.empty()) {
for (const Annotation &a : annotations)
draw_annotation(a, p, get_text_colour(),
- annotation_height, left, right,
- samples_per_pixel, pixels_offset, y,
+ annotation_height, left, right, y,
base_colour);
- y += row_height;
+ y += _row_height;
- _cur_row_headings.push_back(row.title());
+ _visible_rows.push_back(rows[i]);
}
}
// Draw the hatching
- draw_unresolved_period(p, annotation_height, left, right,
- samples_per_pixel, pixels_offset);
+ draw_unresolved_period(p, annotation_height, left, right);
}
void DecodeTrace::paint_fore(QPainter &p, int left, int right)
(void)right;
- QFontMetrics m(QApplication::font());
- const int text_height = m.boundingRect(QRect(), 0, "Tg").height();
- const int row_height = (text_height * 6) / 4;
+ 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 int y = i * _row_height + get_visual_y();
p.setPen(QPen(Qt::NoPen));
p.setBrush(QApplication::palette().brush(QPalette::WindowText));
p.drawPolygon(points, countof(points));
}
- const QRect r(left + ArrowSize * 2, y - row_height / 2,
- right - left, row_height);
- const QString h(_cur_row_headings[i]);
+ const QRect r(left + ArrowSize * 2, y - _row_height / 2,
+ right - left, _row_height);
+ const QString h(_visible_rows[i].title());
const int f = Qt::AlignLeft | Qt::AlignVCenter |
Qt::TextDontClip;
}
void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
- QPainter &p, QColor text_color, int h, int left, int right,
- double samples_per_pixel, double pixels_offset, int y,
+ QPainter &p, QColor text_color, int h, int left, int right, int y,
size_t base_colour) 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 -
void DecodeTrace::draw_error(QPainter &p, const QString &message,
int left, int right)
{
- const int y = get_y();
+ const int y = get_visual_y();
p.setPen(ErrorBgColour.darker());
p.setBrush(ErrorBgColour);
}
void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
- int right, double samples_per_pixel, double pixels_offset)
+ int right) const
{
using namespace pv::data;
using pv::data::decode::Decoder;
+ double samples_per_pixel, pixels_offset;
+
assert(_decoder_stack);
shared_ptr<Logic> data;
if (sample_count == samples_decoded)
return;
- const int y = get_y();
+ 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 -
p.drawRect(no_decode_rect);
}
+pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
+{
+ 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->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 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_visual_y() + _row_height / 2) /
+ _row_height;
+ if (row < 0 || 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;
+
+ 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::hide_hover_annotation()
+{
+ QToolTip::hideText();
+}
+
+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);
+ 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_visual_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,
shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
QFormLayout *form)
{
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
projects / pulseview.git / blobdiff