* 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 <set>
-
#include <boost/foreach.hpp>
#include <QEvent>
#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(_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);
void View::zoom_fit()
{
- 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;
- BOOST_FOREACH(const shared_ptr<Signal> sig, sigs)
- if (sig->enabled())
- visible_data.insert(sig->data());
-
- if (visible_data.empty())
- return;
-
- 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();
- left_time = min(left_time, start_time);
- right_time = max(right_time, start_time +
- d->get_max_sample_count() / d->samplerate());
- }
-
- assert(left_time < right_time);
- if (right_time - left_time < 1e-12)
+ const pair<double, double> extents = get_time_extents();
+ const double delta = extents.second - extents.first;
+ if (delta < 1e-12)
return;
assert(_viewport);
if (w <= 0)
return;
- set_scale_offset((right_time - left_time) / w, left_time);
+ set_scale_offset(delta / w, extents.first);
}
void View::zoom_one_to_one()
{
const vector< shared_ptr<Signal> > sigs(
session().get_signals());
+#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
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();
+ left_time = min(left_time, start_time);
+ right_time = max(right_time, start_time +
+ d->get_max_sample_count() / d->samplerate());
+ }
+
+ assert(left_time < right_time);
+ return make_pair(left_time, right_time);
+}
+
bool View::cursors_shown() const
{
return _show_cursors;
void View::get_scroll_layout(double &length, double &offset) const
{
- const shared_ptr<data::SignalData> sig_data = _session.get_data();
- if (!sig_data)
- return;
-
- length = _data_length / (sig_data->samplerate() * _scale);
+ const pair<double, double> extents = get_time_extents();
+ length = (extents.second - extents.first) / _scale;
offset = _offset / _scale;
}
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)
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