#include <QApplication>
#include <QEvent>
#include <QFontMetrics>
+#include <QMenu>
#include <QMouseEvent>
#include <QScrollBar>
#include <QVBoxLayout>
using std::make_pair;
using std::make_shared;
using std::min;
+using std::numeric_limits;
using std::pair;
using std::set;
using std::set_difference;
View::View(Session &session, bool is_main_view, QWidget *parent) :
ViewBase(session, is_main_view, parent),
+
+ // Note: Place defaults in View::reset_view_state(), not here
splitter_(new QSplitter()),
- segment_display_mode_(Trace::ShowLastSegmentOnly),
- segment_selectable_(false),
- scale_(1e-3),
- offset_(0),
- ruler_offset_(0),
- updating_scroll_(false),
- settings_restored_(false),
- header_was_shrunk_(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_(true),
- saved_v_offset_(0),
- scale_at_acq_start_(0),
- offset_at_acq_start_(0),
- suppress_zoom_to_fit_after_acq_(false)
+ header_was_shrunk_(false), // The splitter remains unchanged after a reset, so this goes here
+ sticky_scrolling_(false) // Default setting is set in MainWindow::setup_ui()
{
QVBoxLayout *root_layout = new QVBoxLayout(this);
root_layout->setContentsMargins(0, 0, 0, 0);
// Set up settings and event handlers
GlobalSettings settings;
- coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
+ colored_bg_ = settings.value(GlobalSettings::Key_View_ColoredBG).toBool();
+ snap_distance_ = settings.value(GlobalSettings::Key_View_SnapDistance).toInt();
+
+ GlobalSettings::add_change_handler(this);
connect(scrollarea_->horizontalScrollBar(), SIGNAL(valueChanged(int)),
this, SLOT(h_scroll_value_changed(int)));
ruler_->raise();
header_->raise();
+ reset_view_state();
+}
+
+View::~View()
+{
+ GlobalSettings::remove_change_handler(this);
+}
+
+void View::reset_view_state()
+{
+ ViewBase::reset_view_state();
+
+ segment_display_mode_ = Trace::ShowLastSegmentOnly;
+ segment_selectable_ = false;
+ scale_ = 1e-3;
+ offset_ = 0;
+ ruler_offset_ = 0;
+ updating_scroll_ = false;
+ settings_restored_ = false;
+ 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_ = make_shared<CursorPair>(*this);
+ next_flag_text_ = 'A';
+ trigger_markers_.clear();
+ hover_point_ = QPoint(-1, -1);
+ scroll_needs_defaults_ = true;
+ saved_v_offset_ = 0;
+ scale_at_acq_start_ = 0;
+ offset_at_acq_start_ = 0;
+ suppress_zoom_to_fit_after_acq_ = false;
+
+ show_cursors_ = false;
+ cursor_state_changed(show_cursors_);
+ flags_.clear();
+
// Update the zoom state
calculate_tick_spacing();
}
#endif
+shared_ptr<Signal> View::get_signal_under_mouse_cursor() const
+{
+ return signal_under_mouse_cursor_;
+}
+
View* View::view()
{
return this;
stringstream ss;
ss << settings.value("ruler_shift").toString().toStdString();
- boost::archive::text_iarchive ia(ss);
- ia >> boost::serialization::make_nvp("ruler_shift", shift);
-
- ruler_shift_ = shift;
+ try {
+ boost::archive::text_iarchive ia(ss);
+ ia >> boost::serialization::make_nvp("ruler_shift", shift);
+ ruler_shift_ = shift;
+ } catch (boost::archive::archive_exception&) {
+ qDebug() << "Could not restore the view ruler shift";
+ }
}
if (settings.contains("offset")) {
stringstream ss;
ss << settings.value("offset").toString().toStdString();
- boost::archive::text_iarchive ia(ss);
- ia >> boost::serialization::make_nvp("offset", offset);
-
- // This also updates ruler_offset_
- set_offset(offset);
+ try {
+ boost::archive::text_iarchive ia(ss);
+ ia >> boost::serialization::make_nvp("offset", offset);
+ // This also updates ruler_offset_
+ set_offset(offset);
+ } catch (boost::archive::archive_exception&) {
+ qDebug() << "Could not restore the view offset";
+ }
}
if (settings.contains("splitter_state"))
{
const vector<shared_ptr<Flag>> f(flags());
vector<shared_ptr<TimeItem>> items(f.begin(), f.end());
- items.push_back(cursors_);
- items.push_back(cursors_->first());
- items.push_back(cursors_->second());
+
+ if (cursors_) {
+ 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);
}
}
-void View::set_offset(const pv::util::Timestamp& offset)
+void View::set_offset(const pv::util::Timestamp& offset, bool force_update)
{
- if (offset_ != offset) {
+ if ((offset_ != offset) || force_update) {
offset_ = offset;
ruler_offset_ = offset_ + ruler_shift_;
offset_changed();
}
}
-// Returns the internal version of the time offset
const Timestamp& View::offset() const
{
return offset_;
}
-// Returns the ruler version of the time offset
const Timestamp& View::ruler_offset() const
{
return ruler_offset_;
}
+void View::set_zero_position(pv::util::Timestamp& position)
+{
+ ruler_shift_ = -position;
+
+ // Force an immediate update of the offsets
+ set_offset(offset_, true);
+ ruler_->update();
+}
+
+void View::reset_zero_position()
+{
+ ruler_shift_ = 0;
+
+ // Force an immediate update of the offsets
+ set_offset(offset_, true);
+ ruler_->update();
+}
+
int View::owner_visual_v_offset() const
{
return -scrollarea_->verticalScrollBar()->sliderPosition();
for (shared_ptr<Signal> signal : signals_)
signal->set_current_segment(current_segment_);
+#ifdef ENABLE_DECODE
for (shared_ptr<DecodeTrace> dt : decode_traces_)
dt->set_current_segment(current_segment_);
+#endif
+
+ vector<util::Timestamp> triggers = session_.get_triggers(current_segment_);
+
+ trigger_markers_.clear();
+ for (util::Timestamp timestamp : triggers)
+ trigger_markers_.push_back(make_shared<TriggerMarker>(*this, timestamp));
+
+ // When enabled, the first trigger for this segment is used as the zero position
+ GlobalSettings settings;
+ bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool();
+
+ if (trigger_is_zero_time && (triggers.size() > 0))
+ set_zero_position(triggers.front());
viewport_->update();
set_scale_offset(scale.convert_to<double>(), extents.first);
}
-void View::zoom_one_to_one()
-{
- using pv::data::SignalData;
-
- // Make a set of all the visible data objects
- set< shared_ptr<SignalData> > visible_data = get_visible_data();
- if (visible_data.empty())
- return;
-
- assert(viewport_);
- const int w = viewport_->width();
- if (w <= 0)
- return;
-
- set_zoom(1.0 / session_.get_samplerate(), w / 2);
-}
-
void View::set_scale_offset(double scale, const Timestamp& offset)
{
// Disable sticky scrolling / always zoom to fit when acquisition runs
viewport_->update();
}
-void View::enable_coloured_bg(bool state)
+void View::enable_colored_bg(bool state)
{
- coloured_bg_ = state;
+ colored_bg_ = state;
viewport_->update();
}
-bool View::coloured_bg() const
+bool View::colored_bg() const
{
- return coloured_bg_;
+ return colored_bg_;
}
bool View::cursors_shown() const
void View::show_cursors(bool show)
{
show_cursors_ = show;
+ cursor_state_changed(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();
+ if (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();
+ }
}
shared_ptr<CursorPair> View::cursors() const
return hover_point_;
}
+int64_t View::get_nearest_level_change(const QPoint &p)
+{
+ // Is snapping disabled?
+ if (snap_distance_ == 0)
+ return -1;
+
+ struct entry_t {
+ entry_t(shared_ptr<Signal> s) :
+ signal(s), delta(numeric_limits<int64_t>::max()), sample(-1), is_dense(false) {}
+ shared_ptr<Signal> signal;
+ int64_t delta;
+ int64_t sample;
+ bool is_dense;
+ };
+
+ vector<entry_t> list;
+
+ // Create list of signals to consider
+ if (signal_under_mouse_cursor_)
+ list.emplace_back(signal_under_mouse_cursor_);
+ else
+ for (shared_ptr<Signal> s : signals_) {
+ if (!s->enabled())
+ continue;
+
+ list.emplace_back(s);
+ }
+
+ // Get data for listed signals
+ for (entry_t &e : list) {
+ // Calculate sample number from cursor position
+ const double samples_per_pixel = e.signal->base()->get_samplerate() * scale();
+ const int64_t x_offset = offset().convert_to<double>() / scale();
+ const int64_t sample_num = max(((x_offset + p.x()) * samples_per_pixel), 0.0);
+
+ vector<data::LogicSegment::EdgePair> edges =
+ e.signal->get_nearest_level_changes(sample_num);
+
+ if (edges.empty())
+ continue;
+
+ // Check first edge
+ const int64_t first_sample_delta = abs(sample_num - edges.front().first);
+ const int64_t first_delta = first_sample_delta / samples_per_pixel;
+ e.delta = first_delta;
+ e.sample = edges.front().first;
+
+ // Check second edge if available
+ if (edges.size() == 2) {
+ // Note: -1 because this is usually the right edge and sample points are left-aligned
+ const int64_t second_sample_delta = abs(sample_num - edges.back().first - 1);
+ const int64_t second_delta = second_sample_delta / samples_per_pixel;
+
+ // If both edges are too close, we mark this signal as being dense
+ if ((first_delta + second_delta) <= snap_distance_)
+ e.is_dense = true;
+
+ if (second_delta < first_delta) {
+ e.delta = second_delta;
+ e.sample = edges.back().first;
+ }
+ }
+ }
+
+ // Look for the best match: non-dense first, then dense
+ entry_t *match = nullptr;
+
+ for (entry_t &e : list) {
+ if (e.delta > snap_distance_ || e.is_dense)
+ continue;
+
+ if (match) {
+ if (e.delta < match->delta)
+ match = &e;
+ } else
+ match = &e;
+ }
+
+ if (!match) {
+ for (entry_t &e : list) {
+ if (!e.is_dense)
+ continue;
+
+ if (match) {
+ if (e.delta < match->delta)
+ match = &e;
+ } else
+ match = &e;
+ }
+ }
+
+ if (match) {
+ // Somewhat ugly hack to make TimeItem::drag_by() work
+ signal_under_mouse_cursor_ = match->signal;
+
+ return match->sample;
+ }
+
+ return -1;
+}
+
void View::restack_all_trace_tree_items()
{
// Make a list of owners that is sorted from deepest first
i->animate_to_layout_v_offset();
}
-void View::trigger_event(util::Timestamp location)
+int View::header_width() const
+{
+ return header_->extended_size_hint().width();
+}
+
+void View::on_setting_changed(const QString &key, const QVariant &value)
+{
+ if (key == GlobalSettings::Key_View_TriggerIsZeroTime)
+ on_settingViewTriggerIsZeroTime_changed(value);
+
+ if (key == GlobalSettings::Key_View_SnapDistance) {
+ GlobalSettings settings;
+ snap_distance_ = settings.value(GlobalSettings::Key_View_SnapDistance).toInt();
+ }
+}
+
+void View::trigger_event(int segment_id, util::Timestamp location)
{
- // Set up ruler_shift if the Key_View_TriggerIsZeroTime option is set.
+ // TODO This doesn't work if we're showing multiple segments at once
+ if ((uint32_t)segment_id != current_segment_)
+ return;
+
+ // Set zero location if the Key_View_TriggerIsZeroTime setting is set and
+ // if this is the first trigger for this segment.
GlobalSettings settings;
bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool();
- ruler_shift_ = (trigger_is_zero_time) ? (-location) : (0);
- // Force an immediate update of both offsets
- offset_ -= 0.001;
- set_offset(offset_ + 0.001);
+ size_t trigger_count = session_.get_triggers(current_segment_).size();
+
+ if (trigger_is_zero_time && trigger_count == 1)
+ set_zero_position(location);
trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location));
}
(ScaleUnits[unit++] + tp_margin);
} while (tp_with_margin < min_period && unit < countof(ScaleUnits));
- minor_tick_count_ = (unit == 2) ? (4) : (5);
+ minor_tick_count_ = (unit == 2) ? 4 : 5;
tick_period = order_decimal * ScaleUnits[unit - 1];
tick_prefix = static_cast<pv::util::SIPrefix>(
(order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3);
vscrollbar->setRange(extents.first - areaSize.height(),
extents.second);
- if (scroll_needs_defaults_)
+ if (scroll_needs_defaults_) {
set_scroll_default();
+ scroll_needs_defaults_ = false;
+ }
}
void View::reset_scroll()
void View::determine_if_header_was_shrunk()
{
const int header_pane_width = splitter_->sizes().front();
- const int header_width = header_->extended_size_hint().width();
// Allow for a slight margin of error so that we also accept
// slight differences when e.g. a label name change increased
// the overall width
- header_was_shrunk_ = (header_pane_width < (header_width - 10));
+ header_was_shrunk_ = (header_pane_width < (header_width() - 10));
}
void View::resize_header_to_fit()
if (object == viewport_)
hover_point_ = mouse_event->pos();
else if (object == ruler_)
- hover_point_ = QPoint(mouse_event->x(), 0);
+ // Adjust the hover point's y coordinate so that it's relative to
+ // the top of the viewport. The result may be negative.
+ hover_point_ = QPoint(mouse_event->pos().x(),
+ mouse_event->pos().y() - ruler_->sizeHint().height());
else if (object == header_)
hover_point_ = QPoint(0, mouse_event->y());
else
return QObject::eventFilter(object, event);
}
+void View::contextMenuEvent(QContextMenuEvent *event)
+{
+ QPoint pos = event->pos() - QPoint(0, ruler_->sizeHint().height());
+
+ const shared_ptr<ViewItem> r = viewport_->get_mouse_over_item(pos);
+ if (!r)
+ return;
+
+ QMenu *menu = r->create_view_context_menu(this, pos);
+ if (menu)
+ menu->popup(event->globalPos());
+}
+
void View::resizeEvent(QResizeEvent* event)
{
// Only adjust the top margin if we shrunk vertically
void View::update_hover_point()
{
+ // Determine signal that the mouse cursor is hovering over
+ signal_under_mouse_cursor_.reset();
+ for (shared_ptr<Signal> s : signals_) {
+ const pair<int, int> extents = s->v_extents();
+ const int top = s->get_visual_y() + extents.first;
+ const int btm = s->get_visual_y() + extents.second;
+ if ((hover_point_.y() >= top) && (hover_point_.y() <= btm)
+ && s->base()->enabled())
+ signal_under_mouse_cursor_ = s;
+ }
+
+ // Update all trace tree items
const vector<shared_ptr<TraceTreeItem>> trace_tree_items(
list_by_type<TraceTreeItem>());
for (shared_ptr<TraceTreeItem> r : trace_tree_items)
r->hover_point_changed(hover_point_);
+ // Notify any other listeners
hover_point_changed(hover_point_);
}
(horz ? TraceTreeItemHExtentsChanged : 0) |
(vert ? TraceTreeItemVExtentsChanged : 0);
+ lazy_event_handler_.stop();
lazy_event_handler_.start();
}
}
}
+void View::on_settingViewTriggerIsZeroTime_changed(const QVariant new_value)
+{
+ if (new_value.toBool()) {
+ // The first trigger for this segment is used as the zero position
+ vector<util::Timestamp> triggers = session_.get_triggers(current_segment_);
+ if (triggers.size() > 0)
+ set_zero_position(triggers.front());
+ } else
+ reset_zero_position();
+}
+
void View::perform_delayed_view_update()
{
if (always_zoom_to_fit_) {
projects / pulseview.git / blobdiff