X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=f8b0fc4537ef71b83d0be751fbd6ddee564bd198;hp=54871b5ebc3d4c211898f5961fc9eb3978571782;hb=9a2bc5fcb8ad1e9c7885429609656316f9ad006b;hpb=cbd80f64b2637f13020da7ca003fadcb9be8d46f diff --git a/pv/view/view.cpp b/pv/view/view.cpp index 54871b5e..f8b0fc45 100644 --- a/pv/view/view.cpp +++ b/pv/view/view.cpp @@ -18,24 +18,30 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include + #include #include #include +#include + #include #include #include #include +#include "decodetrace.h" #include "header.h" #include "ruler.h" +#include "signal.h" #include "view.h" #include "viewport.h" -#include "../logicdata.h" -#include "../logicdatasnapshot.h" -#include "../sigsession.h" +#include "pv/sigsession.h" +#include "pv/data/logic.h" +#include "pv/data/logicsnapshot.h" using namespace boost; using namespace std; @@ -51,7 +57,13 @@ const int View::RulerHeight = 30; const int View::MaxScrollValue = INT_MAX / 2; -const int View::SignalHeight = 50; +const int View::SignalHeight = 30; +const int View::SignalMargin = 10; +const int View::SignalSnapGridSize = 10; + +const QColor View::CursorAreaColour(220, 231, 243); + +const QSizeF View::LabelPadding(4, 0); View::View(SigSession &session, QWidget *parent) : QAbstractScrollArea(parent), @@ -63,15 +75,39 @@ View::View(SigSession &session, QWidget *parent) : _scale(1e-6), _offset(0), _v_offset(0), + _updating_scroll(false), + _show_cursors(false), + _cursors(*this), _hover_point(-1, -1) { connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(h_scroll_value_changed(int))); connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(v_scroll_value_changed(int))); + + connect(&_session, SIGNAL(signals_changed()), + this, SLOT(signals_changed())); connect(&_session, SIGNAL(data_updated()), this, SLOT(data_updated())); + connect(_cursors.first().get(), SIGNAL(time_changed()), + this, SLOT(marker_time_changed())); + connect(_cursors.second().get(), SIGNAL(time_changed()), + this, SLOT(marker_time_changed())); + + connect(_header, SIGNAL(signals_moved()), + this, SLOT(on_signals_moved())); + + connect(_header, SIGNAL(selection_changed()), + _ruler, SLOT(clear_selection())); + connect(_ruler, SIGNAL(selection_changed()), + _header, SLOT(clear_selection())); + + connect(_header, SIGNAL(selection_changed()), + this, SIGNAL(selection_changed())); + connect(_ruler, SIGNAL(selection_changed()), + this, SIGNAL(selection_changed())); + setViewportMargins(LabelMarginWidth, RulerHeight, 0, 0); setViewport(_viewport); @@ -85,6 +121,11 @@ SigSession& View::session() return _session; } +const SigSession& View::session() const +{ + return _session; +} + double View::scale() const { return _scale; @@ -108,15 +149,48 @@ void View::zoom(double steps) 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; - - _ruler->update(); - _viewport->update(); - update_scroll(); + const double new_scale = max(min(_scale * pow(3.0/2.0, -steps), + MaxScale), MinScale); + const double new_offset = cursor_offset - new_scale * offset; + set_scale_offset(new_scale, new_offset); } +void View::zoom_fit() +{ + using pv::data::SignalData; + + const vector< shared_ptr > sigs( + session().get_signals()); + + // Make a set of all the visible data objects + set< shared_ptr > visible_data; + BOOST_FOREACH(const shared_ptr 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 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) + return; + + assert(_viewport); + const int w = _viewport->width(); + if (w <= 0) + return; + + set_scale_offset((right_time - left_time) / w, left_time); +} void View::set_scale_offset(double scale, double offset) { @@ -126,6 +200,76 @@ void View::set_scale_offset(double scale, double offset) update_scroll(); _ruler->update(); _viewport->update(); + scale_offset_changed(); +} + +vector< shared_ptr > View::get_traces() const +{ + const vector< shared_ptr > sigs( + session().get_signals()); + const vector< shared_ptr > decode_sigs( + session().get_decode_signals()); + vector< shared_ptr > traces( + sigs.size() + decode_sigs.size()); + + vector< shared_ptr >::iterator i = traces.begin(); + i = copy(sigs.begin(), sigs.end(), i); + i = copy(decode_sigs.begin(), decode_sigs.end(), i); + + stable_sort(traces.begin(), traces.end(), compare_trace_v_offsets); + return traces; +} + +list > View::selected_items() const +{ + list > items; + + // List the selected signals + const vector< shared_ptr > traces(get_traces()); + BOOST_FOREACH (shared_ptr t, traces) { + assert(t); + if (t->selected()) + items.push_back(t); + } + + // List the selected cursors + if (_cursors.first()->selected()) + items.push_back(_cursors.first()); + if (_cursors.second()->selected()) + items.push_back(_cursors.second()); + + return items; +} + +bool View::cursors_shown() const +{ + return _show_cursors; +} + +void View::show_cursors(bool show) +{ + _show_cursors = show; + _ruler->update(); + _viewport->update(); +} + +void View::centre_cursors() +{ + const double time_width = _scale * _viewport->width(); + _cursors.first()->set_time(_offset + time_width * 0.4); + _cursors.second()->set_time(_offset + time_width * 0.6); + _ruler->update(); + _viewport->update(); +} + +CursorPair& View::cursors() +{ + return _cursors; +} + +const CursorPair& View::cursors() const +{ + return _cursors; } const QPoint& View::hover_point() const @@ -133,13 +277,35 @@ const QPoint& View::hover_point() const return _hover_point; } +void View::normalize_layout() +{ + const vector< shared_ptr > traces(get_traces()); + + int v_min = INT_MAX; + BOOST_FOREACH(const shared_ptr t, traces) + v_min = min(t->get_v_offset(), v_min); + + const int delta = -min(v_min, 0); + BOOST_FOREACH(shared_ptr t, traces) + t->set_v_offset(t->get_v_offset() + delta); + + verticalScrollBar()->setSliderPosition(_v_offset + delta); + v_scroll_value_changed(verticalScrollBar()->sliderPosition()); +} + +void View::update_viewport() +{ + assert(_viewport); + _viewport->update(); +} + void View::get_scroll_layout(double &length, double &offset) const { - const shared_ptr sig_data = _session.get_data(); - if(!sig_data) + const shared_ptr sig_data = _session.get_data(); + if (!sig_data) return; - length = _data_length / (sig_data->get_samplerate() * _scale); + length = _data_length / (sig_data->samplerate() * _scale); offset = _offset / _scale; } @@ -154,9 +320,11 @@ void View::update_scroll() get_scroll_layout(length, offset); length = max(length - areaSize.width(), 0.0); - horizontalScrollBar()->setPageStep(areaSize.width()); + horizontalScrollBar()->setPageStep(areaSize.width() / 2); + + _updating_scroll = true; - if(length < MaxScrollValue) { + if (length < MaxScrollValue) { horizontalScrollBar()->setRange(0, length); horizontalScrollBar()->setSliderPosition(offset); } else { @@ -165,30 +333,41 @@ void View::update_scroll() _offset * MaxScrollValue / (_scale * length)); } + _updating_scroll = false; + // Set the vertical scrollbar verticalScrollBar()->setPageStep(areaSize.height()); verticalScrollBar()->setRange(0, - _viewport->get_total_height() - areaSize.height()); + _viewport->get_total_height() + SignalMargin - + areaSize.height()); +} + +bool View::compare_trace_v_offsets(const shared_ptr &a, + const shared_ptr &b) +{ + assert(a); + assert(b); + return a->get_v_offset() < b->get_v_offset(); } bool View::eventFilter(QObject *object, QEvent *event) { const QEvent::Type type = event->type(); - if(type == QEvent::MouseMove) { + if (type == QEvent::MouseMove) { const QMouseEvent *const mouse_event = (QMouseEvent*)event; - if(object == _viewport) + if (object == _viewport) _hover_point = mouse_event->pos(); - else if(object == _ruler) + else if (object == _ruler) _hover_point = QPoint(mouse_event->x(), 0); - else if(object == _header) + else if (object == _header) _hover_point = QPoint(0, mouse_event->y()); else _hover_point = QPoint(-1, -1); hover_point_changed(); - } else if(type == QEvent::Leave) { + } else if (type == QEvent::Leave) { _hover_point = QPoint(-1, -1); hover_point_changed(); } @@ -212,7 +391,7 @@ bool View::viewportEvent(QEvent *e) } } -void View::resizeEvent(QResizeEvent *e) +void View::resizeEvent(QResizeEvent*) { _ruler->setGeometry(_viewport->x(), 0, _viewport->width(), _viewport->y()); @@ -223,8 +402,11 @@ void View::resizeEvent(QResizeEvent *e) void View::h_scroll_value_changed(int value) { + if (_updating_scroll) + return; + const int range = horizontalScrollBar()->maximum(); - if(range < MaxScrollValue) + if (range < MaxScrollValue) _offset = _scale * value; else { double length = 0, offset; @@ -243,16 +425,29 @@ void View::v_scroll_value_changed(int value) _viewport->update(); } +void View::signals_changed() +{ + int offset = SignalMargin + SignalHeight; + const vector< shared_ptr > traces(get_traces()); + BOOST_FOREACH(shared_ptr t, traces) { + t->set_view(this); + t->set_v_offset(offset); + offset += SignalHeight + 2 * SignalMargin; + } + + normalize_layout(); +} + void View::data_updated() { // Get the new data length _data_length = 0; - shared_ptr sig_data = _session.get_data(); - if(sig_data) { - deque< shared_ptr > &snapshots = + shared_ptr sig_data = _session.get_data(); + if (sig_data) { + deque< shared_ptr > &snapshots = sig_data->get_snapshots(); - BOOST_FOREACH(shared_ptr s, snapshots) - if(s) + BOOST_FOREACH(shared_ptr s, snapshots) + if (s) _data_length = max(_data_length, s->get_sample_count()); } @@ -264,5 +459,17 @@ void View::data_updated() _viewport->update(); } +void View::marker_time_changed() +{ + _ruler->update(); + _viewport->update(); +} + +void View::on_signals_moved() +{ + update_scroll(); + signals_moved(); +} + } // namespace view } // namespace pv