X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fviews%2Ftrace%2Flogicsignal.cpp;h=438e4e21c1f6a6c639543897cb65f35362e9a746;hb=b4bc9b55381ff22196785291d3862c8c8c131885;hp=870af9c5fce2caa04dc718afd66209ae7b1c23e9;hpb=1931b5f932cf068d073bc798f11dd21ede5389a2;p=pulseview.git

diff --git a/pv/views/trace/logicsignal.cpp b/pv/views/trace/logicsignal.cpp
index 870af9c..438e4e2 100644
--- a/pv/views/trace/logicsignal.cpp
+++ b/pv/views/trace/logicsignal.cpp
@@ -103,6 +103,7 @@ LogicSignal::LogicSignal(
 	shared_ptr<data::SignalBase> base) :
 	Signal(session, base),
 	device_(device),
+	trigger_types_(get_trigger_types()),
 	trigger_none_(nullptr),
 	trigger_rising_(nullptr),
 	trigger_high_(nullptr),
@@ -163,18 +164,6 @@ pair<int, int> LogicSignal::v_extents() const
 	return make_pair(-signal_height_ - signal_margin, signal_margin);
 }
 
-int LogicSignal::scale_handle_offset() const
-{
-	return -signal_height_;
-}
-
-void LogicSignal::scale_handle_dragged(int offset)
-{
-	const int font_height = QFontMetrics(QApplication::font()).height();
-	const int units = (-offset / font_height);
-	signal_height_ = ((units < 1) ? 1 : units) * font_height;
-}
-
 void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
 {
 	QLineF *line;
@@ -292,42 +281,88 @@ void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
 
 void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
 {
-	// Draw the trigger marker
-	if (base_->enabled() && trigger_match_) {
-		const int y = get_visual_y();
-		const vector<int32_t> trig_types = get_trigger_types();
-
-		for (int32_t type_id : trig_types) {
-			const TriggerMatchType *const type =
-				TriggerMatchType::get(type_id);
-			if (trigger_match_ != type || type_id < 0 ||
-				(size_t)type_id >= countof(TriggerMarkerIcons) ||
-				!TriggerMarkerIcons[type_id])
-				continue;
+	if (base_->enabled()) {
+		if (trigger_match_) {
+			// Draw the trigger marker
+			const int y = get_visual_y();
+
+			for (int32_t type_id : trigger_types_) {
+				const TriggerMatchType *const type =
+					TriggerMatchType::get(type_id);
+				if (trigger_match_ != type || type_id < 0 ||
+					(size_t)type_id >= countof(TriggerMarkerIcons) ||
+					!TriggerMarkerIcons[type_id])
+					continue;
 
-			const QPixmap *const pixmap = get_pixmap(
-				TriggerMarkerIcons[type_id]);
-			if (!pixmap)
-				continue;
+				const QPixmap *const pixmap = get_pixmap(
+					TriggerMarkerIcons[type_id]);
+				if (!pixmap)
+					continue;
 
-			const float pad = TriggerMarkerPadding - 0.5f;
-			const QSize size = pixmap->size();
-			const QPoint point(
-				pp.right() - size.width() - pad * 2,
-				y - (signal_height_ + size.height()) / 2);
+				const float pad = TriggerMarkerPadding - 0.5f;
+				const QSize size = pixmap->size();
+				const QPoint point(
+					pp.right() - size.width() - pad * 2,
+					y - (signal_height_ + size.height()) / 2);
 
-			p.setPen(QPen(TriggerMarkerBackgroundColor.darker()));
-			p.setBrush(TriggerMarkerBackgroundColor);
-			p.drawRoundedRect(QRectF(point, size).adjusted(
-				-pad, -pad, pad, pad), pad, pad);
-			p.drawPixmap(point, *pixmap);
+				p.setPen(QPen(TriggerMarkerBackgroundColor.darker()));
+				p.setBrush(TriggerMarkerBackgroundColor);
+				p.drawRoundedRect(QRectF(point, size).adjusted(
+					-pad, -pad, pad, pad), pad, pad);
+				p.drawPixmap(point, *pixmap);
 
-			break;
+				break;
+			}
 		}
+
+		if (show_hover_marker_)
+			paint_hover_marker(p);
 	}
+}
+
+void LogicSignal::hover_point_changed(const QPoint &hp)
+{
+	Signal::hover_point_changed(hp);
+
+	assert(base_);
+	assert(owner_);
 
-	if (show_hover_marker_)
-		paint_hover_marker(p);
+	if ((!base_->enabled()) || (hp.x() == 0))
+		return;
+
+	// Ignore if mouse cursor is not hovering over this trace
+	const int y = get_visual_y();
+	const pair<int, int> extents = v_extents();
+	if ((hp.y() < (y + extents.first)) || ((hp.y() > (y + extents.second))))
+		return;
+
+	shared_ptr<pv::data::LogicSegment> segment = get_logic_segment_to_paint();
+	if (!segment || (segment->get_sample_count() == 0))
+		return;
+
+	double samplerate = segment->samplerate();
+
+	// Show sample rate as 1Hz when it is unknown
+	if (samplerate == 0.0)
+		samplerate = 1.0;
+
+	const View *view = owner_->view();
+	assert(view);
+	const double scale = view->scale();
+	const double pixels_offset =
+		((view->offset() - segment->start_time()) / scale).convert_to<double>();
+	const double samples_per_pixel = samplerate * scale;
+
+	const uint64_t sample_pos = (uint64_t)max(
+		(hp.x() + pixels_offset) * samples_per_pixel, 0.0);
+
+	vector<data::LogicSegment::EdgePair> edges;
+
+	segment->get_surrounding_edges(edges, sample_pos,
+		samples_per_pixel / Oversampling, base_->index());
+
+	if (edges.empty())
+		return;
 }
 
 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,