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 hover_point_;
}
+int64_t View::get_nearest_level_change(const QPoint &p)
+{
+ if (snap_distance_ == 0)
+ return -1;
+
+ shared_ptr<Signal> signal = signal_under_mouse_cursor_;
+
+ vector<data::LogicSegment::EdgePair> nearest_edges;
+ int64_t nearest_sample = -1;
+
+ if (signal) {
+ // Determine nearest edge from specific signal
+
+ // Calculate sample number from cursor position
+ const double samples_per_pixel = 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);
+
+ nearest_edges = signal->get_nearest_level_changes(sample_num);
+
+ if (nearest_edges.size() != 2)
+ return -1;
+
+ // We received absolute sample numbers, make them relative
+ const int64_t left_sample_delta = sample_num - nearest_edges.front().first;
+ const int64_t right_sample_delta = nearest_edges.back().first - sample_num - 1;
+
+ const int64_t left_delta = left_sample_delta / samples_per_pixel;
+ const int64_t right_delta = right_sample_delta / samples_per_pixel;
+
+ // Only use closest left or right edge if they're close to the cursor
+ if ((left_delta < right_delta) && (left_delta < snap_distance_))
+ nearest_sample = nearest_edges.front().first;
+ if ((left_delta >= right_delta) && (right_delta < snap_distance_))
+ nearest_sample = nearest_edges.back().first;
+ } else {
+ // Determine nearest edge from all signals
+
+ int64_t nearest_left_delta = numeric_limits<int64_t>::max();
+ int64_t nearest_right_delta = numeric_limits<int64_t>::max();
+ bool edges_found = false;
+
+ for (shared_ptr<Signal> s : signals_) {
+ if (!s->enabled())
+ continue;
+
+ // Calculate sample number from cursor position
+ const double samples_per_pixel = s->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 =
+ s->get_nearest_level_changes(sample_num);
+
+ if (edges.size() != 2)
+ continue;
+ else
+ edges_found = true;
+
+ // We received absolute sample numbers, make them relative
+ const int64_t left_sample_delta = sample_num - edges.front().first;
+ const int64_t right_sample_delta = edges.back().first - sample_num - 1;
+
+ const int64_t left_delta = left_sample_delta / samples_per_pixel;
+ const int64_t right_delta = right_sample_delta / samples_per_pixel;
+
+ if ((left_delta < nearest_left_delta) || (right_delta < nearest_right_delta)) {
+ nearest_edges = edges;
+ nearest_left_delta = left_delta;
+ nearest_right_delta = right_delta;
+
+ // Somewhat ugly hack to make TimeItem::drag_by() work
+ signal_under_mouse_cursor_ = s;
+ }
+ }
+
+ if (!edges_found)
+ return -1;
+
+ if ((nearest_left_delta < nearest_right_delta) &&
+ (nearest_left_delta < snap_distance_))
+ nearest_sample = nearest_edges.front().first;
+
+ if ((nearest_left_delta >= nearest_right_delta) &&
+ (nearest_right_delta < snap_distance_))
+ nearest_sample = nearest_edges.back().first;
+ }
+
+ return nearest_sample;
+}
+
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)
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
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_);
}