X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=inline;f=pv%2Fview%2Fview.cpp;h=dc545babf4d0147f87d6519498c6ea314339dfe1;hb=fdfd5b3e246a4d4a8bcf7dbb25a6179cc86c9569;hp=11026883bab1a7842dba1483c1c58c8b0650cb72;hpb=50f97924a2de49393de617a891190f053825454f;p=pulseview.git
diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 1102688..dc545ba 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -14,427 +14,925 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see .
*/
#ifdef ENABLE_DECODE
#include
#endif
-#include
-#include
-#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#include
+#include
+#include
+
+#include
+#include
#include
+#include
#include
#include
-#include "cursorheader.h"
-#include "decodetrace.h"
-#include "header.h"
-#include "ruler.h"
-#include "signal.h"
-#include "view.h"
-#include "viewport.h"
+#include
+
+#include "analogsignal.hpp"
+#include "header.hpp"
+#include "logicsignal.hpp"
+#include "ruler.hpp"
+#include "signal.hpp"
+#include "tracegroup.hpp"
+#include "triggermarker.hpp"
+#include "view.hpp"
+#include "viewport.hpp"
+
+#include "pv/session.hpp"
+#include "pv/globalsettings.hpp"
+#include "pv/devices/device.hpp"
+#include "pv/data/logic.hpp"
+#include "pv/data/logicsegment.hpp"
+#include "pv/util.hpp"
-#include "pv/sigsession.h"
-#include "pv/data/logic.h"
-#include "pv/data/logicsnapshot.h"
+#ifdef ENABLE_DECODE
+#include "decodetrace.hpp"
+#endif
using pv::data::SignalData;
-using std::deque;
-using std::list;
+using pv::data::Segment;
+using pv::util::TimeUnit;
+using pv::util::Timestamp;
+
+using std::back_inserter;
+using std::copy_if;
+using std::count_if;
+using std::dynamic_pointer_cast;
+using std::inserter;
using std::max;
using std::make_pair;
+using std::make_shared;
using std::min;
using std::pair;
using std::set;
+using std::set_difference;
using std::shared_ptr;
+using std::stringstream;
+using std::unordered_map;
+using std::unordered_set;
using std::vector;
-using std::weak_ptr;
namespace pv {
-namespace view {
+namespace views {
+namespace TraceView {
-const double View::MaxScale = 1e9;
-const double View::MinScale = 1e-15;
+const Timestamp View::MaxScale("1e9");
+const Timestamp View::MinScale("1e-12");
const int View::MaxScrollValue = INT_MAX / 2;
+const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling
+
+const int View::ScaleUnits[3] = {1, 2, 5};
+
+
+CustomAbstractScrollArea::CustomAbstractScrollArea(QWidget *parent) :
+ QAbstractScrollArea(parent)
+{
+}
+
+void CustomAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom)
+{
+ QAbstractScrollArea::setViewportMargins(left, top, right, bottom);
+}
+
+bool CustomAbstractScrollArea::viewportEvent(QEvent *event)
+{
+ switch (event->type()) {
+ case QEvent::Paint:
+ case QEvent::MouseButtonPress:
+ case QEvent::MouseButtonRelease:
+ case QEvent::MouseButtonDblClick:
+ case QEvent::MouseMove:
+ case QEvent::Wheel:
+ case QEvent::TouchBegin:
+ case QEvent::TouchUpdate:
+ case QEvent::TouchEnd:
+ return false;
+ default:
+ return QAbstractScrollArea::viewportEvent(event);
+ }
+}
-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),
- _session(session),
- _viewport(new Viewport(*this)),
- _ruler(new Ruler(*this)),
- _cursorheader(new CursorHeader(*this)),
- _header(new Header(*this)),
- _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)),
+View::View(Session &session, bool is_main_view, QWidget *parent) :
+ ViewBase(session, is_main_view, parent),
+ viewport_(new Viewport(*this)),
+ ruler_(new Ruler(*this)),
+ header_(new Header(*this)),
+ scrollarea_(this),
+ scale_(1e-3),
+ offset_(0),
+ updating_scroll_(false),
+ sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui()
+ always_zoom_to_fit_(false),
+ tick_period_(0),
+ tick_prefix_(pv::util::SIPrefix::yocto),
+ tick_precision_(0),
+ time_unit_(util::TimeUnit::Time),
+ show_cursors_(false),
+ cursors_(new CursorPair(*this)),
+ next_flag_text_('A'),
+ trigger_markers_(),
+ hover_point_(-1, -1),
+ scroll_needs_defaults_(false),
+ saved_v_offset_(0),
+ size_finalized_(false)
+{
+ GlobalSettings settings;
+ coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
+
+ connect(scrollarea_.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(capture_state_changed(int)),
- this, SLOT(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()),
- this, SLOT(marker_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(_header, SIGNAL(selection_changed()),
- _cursorheader, SLOT(clear_selection()));
- connect(_cursorheader, SIGNAL(selection_changed()),
- _header, SLOT(clear_selection()));
-
- connect(_header, SIGNAL(selection_changed()),
+ connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)),
+ this, SLOT(v_scroll_value_changed()));
+
+ 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(_cursorheader, SIGNAL(selection_changed()),
+ connect(ruler_, SIGNAL(selection_changed()),
this, SIGNAL(selection_changed()));
- setViewport(_viewport);
+ connect(this, SIGNAL(hover_point_changed()),
+ this, SLOT(on_hover_point_changed()));
+
+ connect(&lazy_event_handler_, SIGNAL(timeout()),
+ this, SLOT(process_sticky_events()));
+ lazy_event_handler_.setSingleShot(true);
- _viewport->installEventFilter(this);
- _ruler->installEventFilter(this);
- _cursorheader->installEventFilter(this);
- _header->installEventFilter(this);
+ connect(&delayed_view_updater_, SIGNAL(timeout()),
+ this, SLOT(perform_delayed_view_update()));
+ delayed_view_updater_.setSingleShot(true);
+ delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
+
+ /* To let the scroll area fill up the parent QWidget (this), we need a layout */
+ QHBoxLayout *layout = new QHBoxLayout(this);
+ setLayout(layout);
+ layout->setContentsMargins(0, 0, 0, 0);
+ layout->addWidget(&scrollarea_);
+
+ scrollarea_.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();
// make sure the transparent widgets are on the top
- _cursorheader->raise();
- _header->raise();
+ ruler_->raise();
+ header_->raise();
+
+ // Update the zoom state
+ calculate_tick_spacing();
}
-SigSession& View::session()
+Session& View::session()
{
- return _session;
+ return session_;
}
-const SigSession& View::session() const
+const Session& View::session() const
{
- return _session;
+ return session_;
+}
+
+unordered_set< shared_ptr > View::signals() const
+{
+ return signals_;
+}
+
+void View::clear_signals()
+{
+ signals_.clear();
+}
+
+void View::add_signal(const shared_ptr signal)
+{
+ signals_.insert(signal);
+}
+
+#ifdef ENABLE_DECODE
+void View::clear_decode_signals()
+{
+ decode_traces_.clear();
+}
+
+void View::add_decode_signal(shared_ptr signalbase)
+{
+ shared_ptr d(
+ new DecodeTrace(session_, signalbase, decode_traces_.size()));
+ decode_traces_.push_back(d);
+}
+
+void View::remove_decode_signal(shared_ptr signalbase)
+{
+ for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++)
+ if ((*i)->base() == signalbase) {
+ decode_traces_.erase(i);
+ signals_changed();
+ return;
+ }
+}
+#endif
+
+View* View::view()
+{
+ return this;
+}
+
+const View* View::view() const
+{
+ return this;
+}
+
+Viewport* View::viewport()
+{
+ return viewport_;
+}
+
+const Viewport* View::viewport() const
+{
+ return viewport_;
+}
+
+void View::save_settings(QSettings &settings) const
+{
+ settings.setValue("scale", scale_);
+ settings.setValue("v_offset",
+ scrollarea_.verticalScrollBar()->sliderPosition());
+
+ stringstream ss;
+ boost::archive::text_oarchive oa(ss);
+ oa << boost::serialization::make_nvp("offset", offset_);
+ settings.setValue("offset", QString::fromStdString(ss.str()));
+
+ for (shared_ptr signal : signals_) {
+ settings.beginGroup(signal->base()->internal_name());
+ signal->save_settings(settings);
+ settings.endGroup();
+ }
+}
+
+void View::restore_settings(QSettings &settings)
+{
+ // Note: It is assumed that this function is only called once,
+ // immediately after restoring a previous session.
+
+ if (settings.contains("scale"))
+ set_scale(settings.value("scale").toDouble());
+
+ if (settings.contains("offset")) {
+ util::Timestamp offset;
+ stringstream ss;
+ ss << settings.value("offset").toString().toStdString();
+
+ boost::archive::text_iarchive ia(ss);
+ ia >> boost::serialization::make_nvp("offset", offset);
+
+ set_offset(offset);
+ }
+
+ for (shared_ptr signal : signals_) {
+ settings.beginGroup(signal->base()->internal_name());
+ signal->restore_settings(settings);
+ settings.endGroup();
+ }
+
+ if (settings.contains("v_offset")) {
+ saved_v_offset_ = settings.value("v_offset").toInt();
+ set_v_offset(saved_v_offset_);
+ scroll_needs_defaults_ = false;
+ // Note: see resizeEvent() for additional information
+ }
+}
+
+vector< shared_ptr > View::time_items() const
+{
+ const vector> f(flags());
+ vector> items(f.begin(), f.end());
+ items.push_back(cursors_);
+ items.push_back(cursors_->first());
+ items.push_back(cursors_->second());
+
+ for (auto trigger_marker : trigger_markers_)
+ items.push_back(trigger_marker);
+
+ return items;
}
double View::scale() const
{
- return _scale;
+ return scale_;
}
-double View::offset() const
+void View::set_scale(double scale)
{
- return _offset;
+ if (scale_ != scale) {
+ scale_ = scale;
+ Q_EMIT scale_changed();
+ }
+}
+
+const Timestamp& View::offset() const
+{
+ return offset_;
+}
+
+void View::set_offset(const pv::util::Timestamp& offset)
+{
+ if (offset_ != offset) {
+ offset_ = offset;
+ Q_EMIT offset_changed();
+ }
+}
+
+int View::owner_visual_v_offset() const
+{
+ return -scrollarea_.verticalScrollBar()->sliderPosition();
+}
+
+void View::set_v_offset(int offset)
+{
+ scrollarea_.verticalScrollBar()->setSliderPosition(offset);
+ header_->update();
+ viewport_->update();
}
-int View::v_offset() const
+unsigned int View::depth() const
{
- return _v_offset;
+ return 0;
+}
+
+pv::util::SIPrefix View::tick_prefix() const
+{
+ return tick_prefix_;
+}
+
+void View::set_tick_prefix(pv::util::SIPrefix tick_prefix)
+{
+ if (tick_prefix_ != tick_prefix) {
+ tick_prefix_ = tick_prefix;
+ Q_EMIT tick_prefix_changed();
+ }
+}
+
+unsigned int View::tick_precision() const
+{
+ return tick_precision_;
+}
+
+void View::set_tick_precision(unsigned tick_precision)
+{
+ if (tick_precision_ != tick_precision) {
+ tick_precision_ = tick_precision;
+ Q_EMIT tick_precision_changed();
+ }
+}
+
+const pv::util::Timestamp& View::tick_period() const
+{
+ return tick_period_;
+}
+
+void View::set_tick_period(const pv::util::Timestamp& tick_period)
+{
+ if (tick_period_ != tick_period) {
+ tick_period_ = tick_period;
+ Q_EMIT tick_period_changed();
+ }
+}
+
+TimeUnit View::time_unit() const
+{
+ return time_unit_;
+}
+
+void View::set_time_unit(pv::util::TimeUnit time_unit)
+{
+ if (time_unit_ != time_unit) {
+ time_unit_ = time_unit;
+ Q_EMIT time_unit_changed();
+ }
}
void View::zoom(double steps)
{
- zoom(steps, _viewport->width() / 2);
+ zoom(steps, viewport_->width() / 2);
}
void View::zoom(double steps, int offset)
{
- set_zoom(_scale * pow(3.0/2.0, -steps), offset);
+ set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset);
}
-void View::zoom_fit()
+void View::zoom_fit(bool gui_state)
{
- const pair extents = get_time_extents();
- const double delta = extents.second - extents.first;
- if (delta < 1e-12)
+ // Act as one-shot when stopped, toggle along with the GUI otherwise
+ if (session_.get_capture_state() == Session::Stopped) {
+ always_zoom_to_fit_ = false;
+ always_zoom_to_fit_changed(false);
+ } else {
+ always_zoom_to_fit_ = gui_state;
+ always_zoom_to_fit_changed(gui_state);
+ }
+
+ const pair extents = get_time_extents();
+ const Timestamp delta = extents.second - extents.first;
+ if (delta < Timestamp("1e-12"))
return;
- assert(_viewport);
- const int w = _viewport->width();
+ 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);
+ const Timestamp scale = max(min(delta / w, MaxScale), MinScale);
+ set_scale_offset(scale.convert_to(), extents.first);
}
void View::zoom_one_to_one()
{
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 = get_visible_data();
if (visible_data.empty())
return;
- double samplerate = 0.0;
- for (const shared_ptr d : visible_data) {
- assert(d);
- samplerate = max(samplerate, d->samplerate());
- }
-
- if (samplerate == 0.0)
- return;
-
- assert(_viewport);
- const int w = _viewport->width();
+ assert(viewport_);
+ const int w = viewport_->width();
if (w <= 0)
return;
- set_zoom(1.0 / samplerate, w / 2);
+ set_zoom(1.0 / session_.get_samplerate(), w / 2);
}
-void View::set_scale_offset(double scale, double offset)
+void View::set_scale_offset(double scale, const Timestamp& offset)
{
- _scale = scale;
- _offset = offset;
+ // Disable sticky scrolling / always zoom to fit when acquisition runs
+ // and user drags the viewport
+ if ((scale_ == scale) && (offset_ != offset) &&
+ (session_.get_capture_state() == Session::Running)) {
+
+ if (sticky_scrolling_) {
+ sticky_scrolling_ = false;
+ sticky_scrolling_changed(false);
+ }
+
+ if (always_zoom_to_fit_) {
+ always_zoom_to_fit_ = false;
+ always_zoom_to_fit_changed(false);
+ }
+ }
+
+ set_scale(scale);
+ set_offset(offset);
+
+ calculate_tick_spacing();
update_scroll();
- _ruler->update();
- _cursorheader->update();
- _viewport->update();
- scale_offset_changed();
+ ruler_->update();
+ viewport_->update();
}
-vector< shared_ptr > View::get_traces() const
+set< shared_ptr > View::get_visible_data() const
{
- const vector< shared_ptr > sigs(
- session().get_signals());
-#ifdef ENABLE_DECODE
- const vector< shared_ptr > decode_sigs(
- session().get_decode_signals());
- vector< shared_ptr > traces(
- sigs.size() + decode_sigs.size());
-#else
- vector< shared_ptr > traces(sigs.size());
-#endif
-
- auto i = traces.begin();
- i = copy(sigs.begin(), sigs.end(), i);
-#ifdef ENABLE_DECODE
- i = copy(decode_sigs.begin(), decode_sigs.end(), i);
-#endif
+ // Make a set of all the visible data objects
+ set< shared_ptr > visible_data;
+ for (const shared_ptr sig : signals_)
+ if (sig->enabled())
+ visible_data.insert(sig->data());
- stable_sort(traces.begin(), traces.end(), compare_trace_v_offsets);
- return traces;
+ return visible_data;
}
-list > View::selected_items() const
+pair View::get_time_extents() const
{
- list > items;
-
- // List the selected signals
- const vector< shared_ptr > traces(get_traces());
- for (shared_ptr t : traces) {
- assert(t);
- if (t->selected())
- items.push_back(t);
+ boost::optional left_time, right_time;
+ const set< shared_ptr > visible_data = get_visible_data();
+ for (const shared_ptr d : visible_data) {
+ const vector< shared_ptr > segments = d->segments();
+ for (const shared_ptr &s : segments) {
+ double samplerate = s->samplerate();
+ samplerate = (samplerate <= 0.0) ? 1.0 : samplerate;
+
+ const Timestamp start_time = s->start_time();
+ left_time = left_time ?
+ min(*left_time, start_time) :
+ start_time;
+ right_time = right_time ?
+ max(*right_time, start_time + d->max_sample_count() / samplerate) :
+ start_time + d->max_sample_count() / samplerate;
+ }
}
- // List the selected cursors
- if (_cursors.first()->selected())
- items.push_back(_cursors.first());
- if (_cursors.second()->selected())
- items.push_back(_cursors.second());
+ if (!left_time || !right_time)
+ return make_pair(0, 0);
- return items;
+ assert(*left_time < *right_time);
+ return make_pair(*left_time, *right_time);
}
-set< shared_ptr > View::get_visible_data() const
+void View::enable_show_sampling_points(bool state)
{
- const vector< shared_ptr > sigs(
- session().get_signals());
-
- // Make a set of all the visible data objects
- set< shared_ptr > visible_data;
- for (const shared_ptr sig : sigs)
- if (sig->enabled())
- visible_data.insert(sig->data());
+ (void)state;
- return visible_data;
+ viewport_->update();
}
-pair View::get_time_extents() const
+void View::enable_coloured_bg(bool state)
{
- const set< shared_ptr > visible_data = get_visible_data();
- if (visible_data.empty())
- return make_pair(0.0, 0.0);
+ const vector> items(
+ list_by_type());
+
+ for (shared_ptr i : items) {
+ // Can't cast to Trace because it's abstract, so we need to
+ // check for any derived classes individually
+
+ shared_ptr a = dynamic_pointer_cast(i);
+ if (a)
+ a->set_coloured_bg(state);
- double left_time = DBL_MAX, right_time = DBL_MIN;
- for (const shared_ptr d : visible_data)
- {
- const double start_time = d->get_start_time();
- double samplerate = d->samplerate();
- samplerate = (samplerate <= 0.0) ? 1.0 : samplerate;
+ shared_ptr l = dynamic_pointer_cast(i);
+ if (l)
+ l->set_coloured_bg(state);
- left_time = min(left_time, start_time);
- right_time = max(right_time, start_time +
- d->get_max_sample_count() / samplerate);
+#ifdef ENABLE_DECODE
+ shared_ptr d = dynamic_pointer_cast(i);
+ if (d)
+ d->set_coloured_bg(state);
+#endif
}
- assert(left_time < right_time);
- return make_pair(left_time, right_time);
+ viewport_->update();
}
bool View::cursors_shown() const
{
- return _show_cursors;
+ return show_cursors_;
}
void View::show_cursors(bool show)
{
- _show_cursors = show;
- _cursorheader->update();
- _viewport->update();
+ 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);
- _cursorheader->update();
- _viewport->update();
+ 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()
+shared_ptr View::cursors() const
{
- return _cursors;
+ return cursors_;
}
-const CursorPair& View::cursors() const
+void View::add_flag(const Timestamp& time)
{
- return _cursors;
+ flags_.push_back(make_shared(*this, time,
+ QString("%1").arg(next_flag_text_)));
+
+ next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' :
+ (next_flag_text_ + 1);
+
+ time_item_appearance_changed(true, true);
}
-const QPoint& View::hover_point() const
+void View::remove_flag(shared_ptr flag)
{
- return _hover_point;
+ flags_.remove(flag);
+ time_item_appearance_changed(true, true);
}
-void View::normalize_layout()
+vector< shared_ptr > View::flags() const
{
- const vector< shared_ptr > traces(get_traces());
+ vector< shared_ptr > flags(flags_.begin(), flags_.end());
+ stable_sort(flags.begin(), flags.end(),
+ [](const shared_ptr &a, const shared_ptr &b) {
+ return a->time() < b->time();
+ });
- int v_min = INT_MAX;
- for (const shared_ptr t : traces)
- v_min = min(t->get_v_offset(), v_min);
+ return flags;
+}
- const int delta = -min(v_min, 0);
- for (shared_ptr t : traces)
- t->set_v_offset(t->get_v_offset() + delta);
+const QPoint& View::hover_point() const
+{
+ return hover_point_;
+}
- verticalScrollBar()->setSliderPosition(_v_offset + delta);
- v_scroll_value_changed(verticalScrollBar()->sliderPosition());
+void View::restack_all_trace_tree_items()
+{
+ // Make a list of owners that is sorted from deepest first
+ const vector> items(
+ list_by_type());
+ set< TraceTreeItemOwner* > owners;
+ for (const auto &r : items)
+ owners.insert(r->owner());
+ vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end());
+ sort(sorted_owners.begin(), sorted_owners.end(),
+ [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) {
+ return a->depth() > b->depth(); });
+
+ // Restack the items recursively
+ for (auto &o : sorted_owners)
+ o->restack_items();
+
+ // Re-assign background colors
+ bool next_bgcolour_state = false;
+
+ for (auto &o : sorted_owners)
+ next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state);
+
+ // Animate the items to their destination
+ for (const auto &i : items)
+ i->animate_to_layout_v_offset();
}
-void View::update_viewport()
+void View::trigger_event(util::Timestamp location)
{
- assert(_viewport);
- _viewport->update();
+ trigger_markers_.push_back(make_shared(*this, location));
}
-void View::get_scroll_layout(double &length, double &offset) const
+void View::get_scroll_layout(double &length, Timestamp &offset) const
{
- const pair extents = get_time_extents();
- length = (extents.second - extents.first) / _scale;
- offset = _offset / _scale;
+ const pair extents = get_time_extents();
+ length = ((extents.second - extents.first) / scale_).convert_to();
+ 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);
+ // Reset the "always zoom to fit" feature as the user changed the zoom
+ always_zoom_to_fit_ = false;
+ always_zoom_to_fit_changed(false);
+
+ const Timestamp cursor_offset = offset_ + scale_ * offset;
+ const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale);
+ const Timestamp new_offset = cursor_offset - new_scale * offset;
+ set_scale_offset(new_scale.convert_to(), new_offset);
+}
+
+void View::calculate_tick_spacing()
+{
+ const double SpacingIncrement = 10.0f;
+ const double MinValueSpacing = 40.0f;
+
+ // Figure out the highest numeric value visible on a label
+ const QSize areaSize = viewport_->size();
+ const Timestamp max_time = max(fabs(offset_),
+ fabs(offset_ + scale_ * areaSize.width()));
+
+ double min_width = SpacingIncrement;
+ double label_width, tick_period_width;
+
+ QFontMetrics m(QApplication::font());
+
+ // Copies of the member variables with the same name, used in the calculation
+ // and written back afterwards, so that we don't emit signals all the time
+ // during the calculation.
+ pv::util::Timestamp tick_period = tick_period_;
+ pv::util::SIPrefix tick_prefix = tick_prefix_;
+ unsigned tick_precision = tick_precision_;
+
+ do {
+ const double min_period = scale_ * min_width;
+
+ const int order = (int)floorf(log10f(min_period));
+ const pv::util::Timestamp order_decimal =
+ pow(pv::util::Timestamp(10), order);
+
+ // Allow for a margin of error so that a scale unit of 1 can be used.
+ // Otherwise, for a SU of 1 the tick period will almost always be below
+ // the min_period by a small amount - and thus skipped in favor of 2.
+ // Note: margin assumes that SU[0] and SU[1] contain the smallest values
+ double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0;
+ double tp_with_margin;
+ unsigned int unit = 0;
+
+ do {
+ tp_with_margin = order_decimal.convert_to() *
+ (ScaleUnits[unit++] + tp_margin);
+ } while (tp_with_margin < min_period && unit < countof(ScaleUnits));
+
+ tick_period = order_decimal * ScaleUnits[unit - 1];
+ tick_prefix = static_cast(
+ (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3);
+
+ // Precision is the number of fractional digits required, not
+ // taking the prefix into account (and it must never be negative)
+ tick_precision = max(ceil(log10(1 / tick_period)).convert_to(), 0);
+
+ tick_period_width = (tick_period / scale_).convert_to();
+
+ const QString label_text = Ruler::format_time_with_distance(
+ tick_period, max_time, tick_prefix, time_unit_, tick_precision);
+
+ label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX,
+ Qt::AlignLeft | Qt::AlignTop, label_text).width() +
+ MinValueSpacing;
+
+ min_width += SpacingIncrement;
+ } while (tick_period_width < label_width);
+
+ set_tick_period(tick_period);
+ set_tick_prefix(tick_prefix);
+ set_tick_precision(tick_precision);
}
void View::update_scroll()
{
- assert(_viewport);
+ assert(viewport_);
+ QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar();
+ QScrollBar *vscrollbar = scrollarea_.verticalScrollBar();
- const QSize areaSize = _viewport->size();
+ const QSize areaSize = viewport_->size();
// Set the horizontal scroll bar
- double length = 0, offset = 0;
+ double length = 0;
+ Timestamp offset;
get_scroll_layout(length, offset);
length = max(length - areaSize.width(), 0.0);
- horizontalScrollBar()->setPageStep(areaSize.width() / 2);
+ int major_tick_distance = (tick_period_ / scale_).convert_to();
+
+ hscrollbar->setPageStep(areaSize.width() / 2);
+ hscrollbar->setSingleStep(major_tick_distance);
- _updating_scroll = true;
+ updating_scroll_ = true;
if (length < MaxScrollValue) {
- horizontalScrollBar()->setRange(0, length);
- horizontalScrollBar()->setSliderPosition(offset);
+ hscrollbar->setRange(0, length);
+ hscrollbar->setSliderPosition(offset.convert_to());
} else {
- horizontalScrollBar()->setRange(0, MaxScrollValue);
- horizontalScrollBar()->setSliderPosition(
- _offset * MaxScrollValue / (_scale * length));
+ hscrollbar->setRange(0, MaxScrollValue);
+ hscrollbar->setSliderPosition(
+ (offset_ * MaxScrollValue / (scale_ * length)).convert_to());
}
- _updating_scroll = false;
+ updating_scroll_ = false;
// Set the vertical scrollbar
- verticalScrollBar()->setPageStep(areaSize.height());
- verticalScrollBar()->setRange(0,
- _viewport->get_total_height() + SignalMargin -
- areaSize.height());
+ vscrollbar->setPageStep(areaSize.height());
+ vscrollbar->setSingleStep(areaSize.height() / 8);
+
+ const pair extents = v_extents();
+
+ // Don't change the scrollbar range if there are no traces
+ if (extents.first != extents.second)
+ vscrollbar->setRange(extents.first - areaSize.height(),
+ extents.second);
+
+ if (scroll_needs_defaults_)
+ set_scroll_default();
+}
+
+void View::reset_scroll()
+{
+ scrollarea_.verticalScrollBar()->setRange(0, 0);
+}
+
+void View::set_scroll_default()
+{
+ assert(viewport_);
+
+ const QSize areaSize = viewport_->size();
+
+ const pair extents = v_extents();
+ const int trace_height = extents.second - extents.first;
+
+ // Do all traces fit in the view?
+ if (areaSize.height() >= trace_height)
+ // Center all traces vertically
+ set_v_offset(extents.first -
+ ((areaSize.height() - trace_height) / 2));
+ else
+ // Put the first trace at the top, letting the bottom ones overflow
+ set_v_offset(extents.first);
+
+ // If we're not sure whether setting the defaults worked as
+ // the window wasn't set up entirely yet, we want to be called
+ // again later to make sure
+ scroll_needs_defaults_ = !size_finalized_;
}
void View::update_layout()
{
- setViewportMargins(
- _header->sizeHint().width() - pv::view::Header::BaselineOffset,
- _ruler->sizeHint().height(), 0, 0);
- _ruler->setGeometry(_viewport->x(), 0,
- _viewport->width(), _viewport->y());
- _cursorheader->setGeometry(
- _viewport->x(),
- _ruler->sizeHint().height() - _cursorheader->sizeHint().height() / 2,
- _viewport->width(), _cursorheader->sizeHint().height());
- _header->setGeometry(0, _viewport->y(),
- _header->sizeHint().width(), _viewport->height());
+ scrollarea_.setViewportMargins(
+ header_->sizeHint().width() - Header::BaselineOffset,
+ ruler_->sizeHint().height(), 0, 0);
+ ruler_->setGeometry(viewport_->x(), 0,
+ viewport_->width(), ruler_->extended_size_hint().height());
+ header_->setGeometry(0, viewport_->y(),
+ header_->extended_size_hint().width(), viewport_->height());
update_scroll();
}
-bool View::compare_trace_v_offsets(const shared_ptr &a,
- const shared_ptr &b)
+TraceTreeItemOwner* View::find_prevalent_trace_group(
+ const shared_ptr &group,
+ const unordered_map, shared_ptr >
+ &signal_map)
{
- assert(a);
- assert(b);
- return a->get_v_offset() < b->get_v_offset();
+ assert(group);
+
+ unordered_set owners;
+ vector owner_list;
+
+ // Make a set and a list of all the owners
+ for (const auto &channel : group->channels()) {
+ for (auto entry : signal_map) {
+ if (entry.first->channel() == channel) {
+ TraceTreeItemOwner *const o = (entry.second)->owner();
+ owner_list.push_back(o);
+ owners.insert(o);
+ }
+ }
+ }
+
+ // Iterate through the list of owners, and find the most prevalent
+ size_t max_prevalence = 0;
+ TraceTreeItemOwner *prevalent_owner = nullptr;
+ for (TraceTreeItemOwner *owner : owners) {
+ const size_t prevalence = count_if(
+ owner_list.begin(), owner_list.end(),
+ [&](TraceTreeItemOwner *o) { return o == owner; });
+ if (prevalence > max_prevalence) {
+ max_prevalence = prevalence;
+ prevalent_owner = owner;
+ }
+ }
+
+ return prevalent_owner;
+}
+
+vector< shared_ptr > View::extract_new_traces_for_channels(
+ const vector< shared_ptr > &channels,
+ const unordered_map, shared_ptr >
+ &signal_map,
+ set< shared_ptr > &add_list)
+{
+ vector< shared_ptr > filtered_traces;
+
+ for (const auto &channel : channels) {
+ for (auto entry : signal_map) {
+ if (entry.first->channel() == channel) {
+ shared_ptr trace = entry.second;
+ const auto list_iter = add_list.find(trace);
+ if (list_iter == add_list.end())
+ continue;
+
+ filtered_traces.push_back(trace);
+ add_list.erase(list_iter);
+ }
+ }
+ }
+
+ return filtered_traces;
+}
+
+void View::determine_time_unit()
+{
+ // Check whether we know the sample rate and hence can use time as the unit
+ if (time_unit_ == util::TimeUnit::Samples) {
+ // Check all signals but...
+ for (const shared_ptr signal : signals_) {
+ const shared_ptr data = signal->data();
+
+ // ...only check first segment of each
+ const vector< shared_ptr > segments = data->segments();
+ if (!segments.empty())
+ if (segments[0]->samplerate()) {
+ set_time_unit(util::TimeUnit::Time);
+ break;
+ }
+ }
+ }
}
bool View::eventFilter(QObject *object, QEvent *event)
@@ -443,114 +941,371 @@ bool View::eventFilter(QObject *object, QEvent *event)
if (type == QEvent::MouseMove) {
const QMouseEvent *const mouse_event = (QMouseEvent*)event;
- if (object == _viewport)
- _hover_point = mouse_event->pos();
- else if (object == _ruler || object == _cursorheader)
- _hover_point = QPoint(mouse_event->x(), 0);
- else if (object == _header)
- _hover_point = QPoint(0, mouse_event->y());
+ if (object == viewport_)
+ hover_point_ = mouse_event->pos();
+ else if (object == ruler_)
+ hover_point_ = QPoint(mouse_event->x(), 0);
+ else if (object == header_)
+ hover_point_ = QPoint(0, mouse_event->y());
else
- _hover_point = QPoint(-1, -1);
+ hover_point_ = QPoint(-1, -1);
hover_point_changed();
} else if (type == QEvent::Leave) {
- _hover_point = QPoint(-1, -1);
+ hover_point_ = QPoint(-1, -1);
hover_point_changed();
}
return QObject::eventFilter(object, event);
}
-bool View::viewportEvent(QEvent *e)
+void View::resizeEvent(QResizeEvent*)
{
- switch(e->type()) {
- case QEvent::Paint:
- case QEvent::MouseButtonPress:
- case QEvent::MouseButtonRelease:
- case QEvent::MouseButtonDblClick:
- case QEvent::MouseMove:
- case QEvent::Wheel:
- case QEvent::TouchBegin:
- case QEvent::TouchUpdate:
- case QEvent::TouchEnd:
- return false;
+ update_layout();
- default:
- return QAbstractScrollArea::viewportEvent(e);
+ // This is somewhat of a hack, unfortunately. We cannot use
+ // set_v_offset() from within restore_settings() as the view
+ // at that point is neither visible nor properly sized.
+ // This is the least intrusive workaround I could come up
+ // with: set the vertical offset (or scroll defaults) when
+ // the view is visible and resized to its final size.
+ // Resize events that are sent when the view is not visible
+ // must be ignored as they have wrong sizes, potentially
+ // preventing the v offset from being set successfully.
+
+ if (isVisible())
+ size_finalized_ = true;
+
+ if (size_finalized_ && saved_v_offset_) {
+ set_v_offset(saved_v_offset_);
+ saved_v_offset_ = 0;
}
+
+ if (size_finalized_ && scroll_needs_defaults_)
+ set_scroll_default();
}
-void View::resizeEvent(QResizeEvent*)
+void View::row_item_appearance_changed(bool label, bool content)
{
- update_layout();
+ if (label)
+ header_->update();
+ if (content)
+ viewport_->update();
+}
+
+void View::time_item_appearance_changed(bool label, bool content)
+{
+ if (label)
+ ruler_->update();
+ if (content)
+ viewport_->update();
+}
+
+void View::extents_changed(bool horz, bool vert)
+{
+ sticky_events_ |=
+ (horz ? TraceTreeItemHExtentsChanged : 0) |
+ (vert ? TraceTreeItemVExtentsChanged : 0);
+ lazy_event_handler_.start();
}
void View::h_scroll_value_changed(int value)
{
- if (_updating_scroll)
+ if (updating_scroll_)
return;
- const int range = horizontalScrollBar()->maximum();
+ // Disable sticky scrolling when user moves the horizontal scroll bar
+ // during a running acquisition
+ if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) {
+ sticky_scrolling_ = false;
+ sticky_scrolling_changed(false);
+ }
+
+ const int range = scrollarea_.horizontalScrollBar()->maximum();
if (range < MaxScrollValue)
- _offset = _scale * value;
+ set_offset(scale_ * value);
else {
- double length = 0, offset;
+ double length = 0;
+ Timestamp offset;
get_scroll_layout(length, offset);
- _offset = _scale * length * value / MaxScrollValue;
+ set_offset(scale_ * length * value / MaxScrollValue);
}
- _ruler->update();
- _cursorheader->update();
- _viewport->update();
+ ruler_->update();
+ viewport_->update();
}
-void View::v_scroll_value_changed(int value)
+void View::v_scroll_value_changed()
{
- _v_offset = value;
- _header->update();
- _viewport->update();
+ header_->update();
+ viewport_->update();
}
void View::signals_changed()
{
- int offset = SignalMargin + SignalHeight;
- const vector< shared_ptr > traces(get_traces());
- for (shared_ptr t : traces) {
- t->set_view(this);
- t->set_v_offset(offset);
- offset += SignalHeight + 2 * SignalMargin;
+ using sigrok::Channel;
+
+ vector< shared_ptr > channels;
+ shared_ptr sr_dev;
+
+ // Do we need to set the vertical scrollbar to its default position later?
+ // We do if there are no traces, i.e. the scroll bar has no range set
+ bool reset_scrollbar =
+ (scrollarea_.verticalScrollBar()->minimum() ==
+ scrollarea_.verticalScrollBar()->maximum());
+
+ if (!session_.device()) {
+ reset_scroll();
+ signals_.clear();
+ } else {
+ sr_dev = session_.device()->device();
+ assert(sr_dev);
+ channels = sr_dev->channels();
+ }
+
+ vector< shared_ptr > new_top_level_items;
+
+ // Make a list of traces that are being added, and a list of traces
+ // that are being removed
+ const vector> prev_trace_list = list_by_type();
+ const set> prev_traces(
+ prev_trace_list.begin(), prev_trace_list.end());
+
+ set< shared_ptr > traces(signals_.begin(), signals_.end());
+
+#ifdef ENABLE_DECODE
+ traces.insert(decode_traces_.begin(), decode_traces_.end());
+#endif
+
+ set< shared_ptr > add_traces;
+ set_difference(traces.begin(), traces.end(),
+ prev_traces.begin(), prev_traces.end(),
+ inserter(add_traces, add_traces.begin()));
+
+ set< shared_ptr > remove_traces;
+ set_difference(prev_traces.begin(), prev_traces.end(),
+ traces.begin(), traces.end(),
+ inserter(remove_traces, remove_traces.begin()));
+
+ // Make a look-up table of sigrok Channels to pulseview Signals
+ unordered_map, shared_ptr >
+ signal_map;
+ for (const shared_ptr &sig : signals_)
+ signal_map[sig->base()] = sig;
+
+ // Populate channel groups
+ if (sr_dev)
+ for (auto entry : sr_dev->channel_groups()) {
+ const shared_ptr &group = entry.second;
+
+ if (group->channels().size() <= 1)
+ continue;
+
+ // Find best trace group to add to
+ TraceTreeItemOwner *owner = find_prevalent_trace_group(
+ group, signal_map);
+
+ // If there is no trace group, create one
+ shared_ptr new_trace_group;
+ if (!owner) {
+ new_trace_group.reset(new TraceGroup());
+ owner = new_trace_group.get();
+ }
+
+ // Extract traces for the trace group, removing them from
+ // the add list
+ const vector< shared_ptr > new_traces_in_group =
+ extract_new_traces_for_channels(group->channels(),
+ signal_map, add_traces);
+
+ // Add the traces to the group
+ const pair prev_v_extents = owner->v_extents();
+ int offset = prev_v_extents.second - prev_v_extents.first;
+ for (shared_ptr trace : new_traces_in_group) {
+ assert(trace);
+ owner->add_child_item(trace);
+
+ const pair extents = trace->v_extents();
+ if (trace->enabled())
+ offset += -extents.first;
+ trace->force_to_v_offset(offset);
+ if (trace->enabled())
+ offset += extents.second;
+ }
+
+ if (new_trace_group) {
+ // Assign proper vertical offsets to each channel in the group
+ new_trace_group->restack_items();
+
+ // If this is a new group, enqueue it in the new top level
+ // items list
+ if (!new_traces_in_group.empty())
+ new_top_level_items.push_back(new_trace_group);
+ }
+ }
+
+ // Enqueue the remaining logic channels in a group
+ vector< shared_ptr > logic_channels;
+ copy_if(channels.begin(), channels.end(), back_inserter(logic_channels),
+ [](const shared_ptr& c) {
+ return c->type() == sigrok::ChannelType::LOGIC; });
+
+ const vector< shared_ptr > non_grouped_logic_signals =
+ extract_new_traces_for_channels(logic_channels, signal_map, add_traces);
+
+ if (non_grouped_logic_signals.size() > 0) {
+ const shared_ptr non_grouped_trace_group(
+ make_shared());
+ for (shared_ptr trace : non_grouped_logic_signals)
+ non_grouped_trace_group->add_child_item(trace);
+
+ non_grouped_trace_group->restack_items();
+ new_top_level_items.push_back(non_grouped_trace_group);
+ }
+
+ // Enqueue the remaining channels as free ungrouped traces
+ const vector< shared_ptr > new_top_level_signals =
+ extract_new_traces_for_channels(channels, signal_map, add_traces);
+ new_top_level_items.insert(new_top_level_items.end(),
+ new_top_level_signals.begin(), new_top_level_signals.end());
+
+ // Enqueue any remaining traces i.e. decode traces
+ new_top_level_items.insert(new_top_level_items.end(),
+ add_traces.begin(), add_traces.end());
+
+ // Remove any removed traces
+ for (shared_ptr trace : remove_traces) {
+ TraceTreeItemOwner *const owner = trace->owner();
+ assert(owner);
+ owner->remove_child_item(trace);
+ }
+
+ // Remove any empty trace groups
+ for (shared_ptr group : list_by_type())
+ if (group->child_items().size() == 0) {
+ remove_child_item(group);
+ group.reset();
+ }
+
+ // Add and position the pending top levels items
+ int offset = v_extents().second;
+ for (auto item : new_top_level_items) {
+ add_child_item(item);
+
+ // Position the item after the last item or at the top if there is none
+ const pair extents = item->v_extents();
+
+ if (item->enabled())
+ offset += -extents.first;
+
+ item->force_to_v_offset(offset);
+
+ if (item->enabled())
+ offset += extents.second;
}
update_layout();
- normalize_layout();
+
+ header_->update();
+ viewport_->update();
+
+ if (reset_scrollbar)
+ set_scroll_default();
}
-void View::data_updated()
+void View::capture_state_updated(int state)
{
- // Update the scroll bars
- update_scroll();
+ if (state == Session::Running) {
+ set_time_unit(util::TimeUnit::Samples);
+
+ trigger_markers_.clear();
+
+ // Activate "always zoom to fit" if the setting is enabled and we're
+ // the main view of this session (other trace views may be used for
+ // zooming and we don't want to mess them up)
+ GlobalSettings settings;
+ bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool();
+ if (is_main_view_ && state) {
+ always_zoom_to_fit_ = true;
+ always_zoom_to_fit_changed(always_zoom_to_fit_);
+ }
+
+ // Enable sticky scrolling if the setting is enabled
+ sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
+ }
- // Repaint the view
- _viewport->update();
+ if (state == Session::Stopped) {
+ // After acquisition has stopped we need to re-calculate the ticks once
+ // as it's otherwise done when the user pans or zooms, which is too late
+ calculate_tick_spacing();
+
+ // Reset "always zoom to fit", the acquisition has stopped
+ if (always_zoom_to_fit_) {
+ // Perform a final zoom-to-fit before disabling
+ zoom_fit(always_zoom_to_fit_);
+ always_zoom_to_fit_ = false;
+ always_zoom_to_fit_changed(always_zoom_to_fit_);
+ }
+ }
}
-void View::marker_time_changed()
+void View::data_updated()
{
- _cursorheader->update();
- _viewport->update();
+ if (always_zoom_to_fit_ || sticky_scrolling_) {
+ if (!delayed_view_updater_.isActive())
+ delayed_view_updater_.start();
+ } else {
+ determine_time_unit();
+ update_scroll();
+ ruler_->update();
+ viewport_->update();
+ }
}
-void View::on_signals_moved()
+void View::perform_delayed_view_update()
{
+ if (always_zoom_to_fit_) {
+ zoom_fit(true);
+ } else if (sticky_scrolling_) {
+ // Make right side of the view sticky
+ double length = 0;
+ Timestamp offset;
+ get_scroll_layout(length, offset);
+
+ const QSize areaSize = viewport_->size();
+ length = max(length - areaSize.width(), 0.0);
+
+ set_offset(scale_ * length);
+ }
+
+ determine_time_unit();
update_scroll();
- signals_moved();
+ ruler_->update();
+ viewport_->update();
}
-void View::on_geometry_updated()
+void View::process_sticky_events()
{
- update_layout();
+ if (sticky_events_ & TraceTreeItemHExtentsChanged)
+ update_layout();
+ if (sticky_events_ & TraceTreeItemVExtentsChanged) {
+ restack_all_trace_tree_items();
+ update_scroll();
+ }
+
+ // Clear the sticky events
+ sticky_events_ = 0;
+}
+
+void View::on_hover_point_changed()
+{
+ const vector> trace_tree_items(
+ list_by_type());
+ for (shared_ptr r : trace_tree_items)
+ r->hover_point_changed();
}
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv