* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifdef ENABLE_DECODE
+#include <libsigrokdecode/libsigrokdecode.h>
+#endif
+
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <QMouseEvent>
#include <QScrollBar>
-#include "decodesignal.h"
+#include "decodetrace.h"
#include "header.h"
#include "ruler.h"
#include "signal.h"
#include "pv/data/logic.h"
#include "pv/data/logicsnapshot.h"
-using namespace boost;
-using namespace std;
+using boost::shared_ptr;
+using boost::weak_ptr;
+using pv::data::SignalData;
+using std::deque;
+using std::list;
+using std::max;
+using std::make_pair;
+using std::min;
+using std::pair;
+using std::set;
+using std::vector;
namespace pv {
namespace view {
const double View::MaxScale = 1e9;
const double View::MinScale = 1e-15;
-const int View::LabelMarginWidth = 70;
-const int View::RulerHeight = 30;
-
const int View::MaxScrollValue = INT_MAX / 2;
const int View::SignalHeight = 30;
_viewport(new Viewport(*this)),
_ruler(new Ruler(*this)),
_header(new Header(*this)),
- _data_length(0),
_scale(1e-6),
_offset(0),
_v_offset(0),
connect(&_session, SIGNAL(signals_changed()),
this, SLOT(signals_changed()));
- connect(&_session, SIGNAL(data_updated()),
+ connect(&_session, SIGNAL(data_received()),
+ this, SLOT(data_updated()));
+ connect(&_session, SIGNAL(frame_ended()),
this, SLOT(data_updated()));
connect(_cursors.first().get(), SIGNAL(time_changed()),
connect(_cursors.second().get(), SIGNAL(time_changed()),
this, SLOT(marker_time_changed()));
+ connect(_header, SIGNAL(geometry_updated()),
+ this, SLOT(on_geometry_updated()));
connect(_header, SIGNAL(signals_moved()),
this, SLOT(on_signals_moved()));
connect(_ruler, SIGNAL(selection_changed()),
this, SIGNAL(selection_changed()));
- setViewportMargins(LabelMarginWidth, RulerHeight, 0, 0);
setViewport(_viewport);
_viewport->installEventFilter(this);
_ruler->installEventFilter(this);
_header->installEventFilter(this);
+
+ // Trigger the initial event manually. The default device has signals
+ // which were created before this object came into being
+ signals_changed();
}
SigSession& View::session()
void View::zoom(double steps)
{
- zoom(steps, (width() - LabelMarginWidth) / 2);
+ zoom(steps, _viewport->width() / 2);
}
void View::zoom(double steps, int offset)
{
- const double cursor_offset = _offset + _scale * offset;
- _scale *= pow(3.0/2.0, -steps);
- _scale = max(min(_scale, MaxScale), MinScale);
- _offset = cursor_offset - _scale * offset;
+ set_zoom(_scale * pow(3.0/2.0, -steps), offset);
+}
- _ruler->update();
- _viewport->update();
- update_scroll();
+void View::zoom_fit()
+{
+ const pair<double, double> extents = get_time_extents();
+ const double delta = extents.second - extents.first;
+ if (delta < 1e-12)
+ return;
+
+ assert(_viewport);
+ const int w = _viewport->width();
+ if (w <= 0)
+ return;
+
+ const double scale = max(min(delta / w, MaxScale), MinScale);
+ set_scale_offset(scale, extents.first);
}
+void View::zoom_one_to_one()
+{
+ using pv::data::SignalData;
+
+ const vector< shared_ptr<Signal> > sigs(
+ session().get_signals());
+
+ // Make a set of all the visible data objects
+ set< shared_ptr<SignalData> > visible_data = get_visible_data();
+ if (visible_data.empty())
+ return;
+
+ double samplerate = 0.0;
+ BOOST_FOREACH(const shared_ptr<SignalData> d, visible_data) {
+ assert(d);
+ samplerate = max(samplerate, d->samplerate());
+ }
+
+ if (samplerate == 0.0)
+ return;
+
+ assert(_viewport);
+ const int w = _viewport->width();
+ if (w <= 0)
+ return;
+
+ set_zoom(1.0 / samplerate, w / 2);
+}
void View::set_scale_offset(double scale, double offset)
{
update_scroll();
_ruler->update();
_viewport->update();
+ scale_offset_changed();
}
vector< shared_ptr<Trace> > View::get_traces() const
{
const vector< shared_ptr<Signal> > sigs(
session().get_signals());
- const vector< shared_ptr<DecodeSignal> > decode_sigs(
+#ifdef ENABLE_DECODE
+ const vector< shared_ptr<DecodeTrace> > decode_sigs(
session().get_decode_signals());
vector< shared_ptr<Trace> > traces(
sigs.size() + decode_sigs.size());
+#else
+ vector< shared_ptr<Trace> > traces(sigs.size());
+#endif
vector< shared_ptr<Trace> >::iterator i = traces.begin();
i = copy(sigs.begin(), sigs.end(), i);
+#ifdef ENABLE_DECODE
i = copy(decode_sigs.begin(), decode_sigs.end(), i);
+#endif
- sort(traces.begin(), traces.end(), compare_trace_v_offsets);
+ stable_sort(traces.begin(), traces.end(), compare_trace_v_offsets);
return traces;
}
return items;
}
+set< shared_ptr<SignalData> > View::get_visible_data() const
+{
+ const vector< shared_ptr<Signal> > sigs(
+ session().get_signals());
+
+ // Make a set of all the visible data objects
+ set< shared_ptr<SignalData> > visible_data;
+ BOOST_FOREACH(const shared_ptr<Signal> sig, sigs)
+ if (sig->enabled())
+ visible_data.insert(sig->data());
+
+ return visible_data;
+}
+
+pair<double, double> View::get_time_extents() const
+{
+ const set< shared_ptr<SignalData> > visible_data = get_visible_data();
+ if (visible_data.empty())
+ return make_pair(0.0, 0.0);
+
+ double left_time = DBL_MAX, right_time = DBL_MIN;
+ BOOST_FOREACH(const shared_ptr<SignalData> d, visible_data)
+ {
+ const double start_time = d->get_start_time();
+ double samplerate = d->samplerate();
+ samplerate = (samplerate <= 0.0) ? 1.0 : samplerate;
+
+ left_time = min(left_time, start_time);
+ right_time = max(right_time, start_time +
+ d->get_max_sample_count() / samplerate);
+ }
+
+ assert(left_time < right_time);
+ return make_pair(left_time, right_time);
+}
+
bool View::cursors_shown() const
{
return _show_cursors;
v_scroll_value_changed(verticalScrollBar()->sliderPosition());
}
-void View::get_scroll_layout(double &length, double &offset) const
+void View::update_viewport()
{
- const shared_ptr<data::SignalData> sig_data = _session.get_data();
- if (!sig_data)
- return;
+ assert(_viewport);
+ _viewport->update();
+}
- length = _data_length / (sig_data->get_samplerate() * _scale);
+void View::get_scroll_layout(double &length, double &offset) const
+{
+ const pair<double, double> extents = get_time_extents();
+ length = (extents.second - extents.first) / _scale;
offset = _offset / _scale;
}
+void View::set_zoom(double scale, int offset)
+{
+ const double cursor_offset = _offset + _scale * offset;
+ const double new_scale = max(min(scale, MaxScale), MinScale);
+ const double new_offset = cursor_offset - new_scale * offset;
+ set_scale_offset(new_scale, new_offset);
+}
+
void View::update_scroll()
{
assert(_viewport);
areaSize.height());
}
+void View::update_layout()
+{
+ setViewportMargins(_header->sizeHint().width(),
+ _ruler->sizeHint().height(), 0, 0);
+ _ruler->setGeometry(_viewport->x(), 0,
+ _viewport->width(), _viewport->y());
+ _header->setGeometry(0, _viewport->y(),
+ _viewport->x(), _viewport->height());
+ update_scroll();
+}
+
bool View::compare_trace_v_offsets(const shared_ptr<Trace> &a,
const shared_ptr<Trace> &b)
{
void View::resizeEvent(QResizeEvent*)
{
- _ruler->setGeometry(_viewport->x(), 0,
- _viewport->width(), _viewport->y());
- _header->setGeometry(0, _viewport->y(),
- _viewport->x(), _viewport->height());
- update_scroll();
+ update_layout();
}
void View::h_scroll_value_changed(int value)
void View::signals_changed()
{
int offset = SignalMargin + SignalHeight;
- const vector< shared_ptr<Signal> > sigs(_session.get_signals());
- BOOST_FOREACH(shared_ptr<Signal> s, sigs) {
- s->init_context_bar_actions(NULL);
- s->set_v_offset(offset);
+ const vector< shared_ptr<Trace> > traces(get_traces());
+ BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+ t->set_view(this);
+ t->set_v_offset(offset);
offset += SignalHeight + 2 * SignalMargin;
}
+ update_layout();
normalize_layout();
}
void View::data_updated()
{
- // Get the new data length
- _data_length = 0;
- shared_ptr<data::Logic> sig_data = _session.get_data();
- if (sig_data) {
- deque< shared_ptr<data::LogicSnapshot> > &snapshots =
- sig_data->get_snapshots();
- BOOST_FOREACH(shared_ptr<data::LogicSnapshot> s, snapshots)
- if (s)
- _data_length = max(_data_length,
- s->get_sample_count());
- }
-
// Update the scroll bars
update_scroll();
signals_moved();
}
+void View::on_geometry_updated()
+{
+ update_layout();
+}
+
} // namespace view
} // namespace pv
projects / pulseview.git / blobdiff