#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;
// Set up settings and event handlers
GlobalSettings settings;
colored_bg_ = settings.value(GlobalSettings::Key_View_ColoredBG).toBool();
+ snap_distance_ = settings.value(GlobalSettings::Key_View_SnapDistance).toInt();
GlobalSettings::add_change_handler(this);
}
#endif
+shared_ptr<Signal> View::get_signal_under_mouse_cursor() const
+{
+ return signal_under_mouse_cursor_;
+}
+
View* View::view()
{
return this;
return viewport_;
}
+const Ruler* View::ruler() const
+{
+ return ruler_;
+}
+
void View::save_settings(QSettings &settings) const
{
settings.setValue("scale", scale_);
boost::archive::text_iarchive ia(ss);
ia >> boost::serialization::make_nvp("ruler_shift", shift);
ruler_shift_ = shift;
- } catch (boost::archive::archive_exception) {
+ } catch (boost::archive::archive_exception&) {
qDebug() << "Could not restore the view ruler shift";
}
}
ia >> boost::serialization::make_nvp("offset", offset);
// This also updates ruler_offset_
set_offset(offset);
- } catch (boost::archive::archive_exception) {
+ } catch (boost::archive::archive_exception&) {
qDebug() << "Could not restore the view offset";
}
}
void View::set_segment_display_mode(Trace::SegmentDisplayMode mode)
{
- trigger_markers_.clear();
-
segment_display_mode_ = mode;
for (shared_ptr<Signal> signal : signals_)
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();
}
+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)
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();
}
projects / pulseview.git / blobdiff