X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fdecodetrace.cpp;h=9529c50a72650958ce7f0b3abdc93b67a01a6f21;hb=6d2802aa2f53bcfc3a9a56ee65be5b88750b6cdd;hp=21d88923ef1c5732f3a0f3ef1394219c2ead7907;hpb=1b56c646e7dd253775b4d6cfceaf327fd8ffd297;p=pulseview.git

diff --git a/pv/views/trace/decodetrace.cpp b/pv/views/trace/decodetrace.cpp
index 21d8892..9529c50 100644
--- a/pv/views/trace/decodetrace.cpp
+++ b/pv/views/trace/decodetrace.cpp
@@ -56,14 +56,11 @@ extern "C" {
 using std::all_of;
 using std::make_pair;
 using std::max;
-using std::map;
 using std::min;
 using std::out_of_range;
 using std::pair;
 using std::shared_ptr;
-using std::make_shared;
 using std::tie;
-using std::unordered_set;
 using std::vector;
 
 using pv::data::decode::Annotation;
@@ -251,11 +248,13 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
 	// Draw the hatching
 	draw_unresolved_period(p, annotation_height, pp.left(), pp.right());
 
-	if ((int)visible_rows_.size() > max_visible_rows_)
-		owner_->extents_changed(false, true);
+	if ((int)visible_rows_.size() > max_visible_rows_) {
+		max_visible_rows_ = (int)visible_rows_.size();
 
-	// Update the maximum row count if needed
-	max_visible_rows_ = max(max_visible_rows_, (int)visible_rows_.size());
+		// Call order is important, otherwise the lazy event handler won't work
+		owner_->extents_changed(false, true);
+		owner_->row_item_appearance_changed(false, true);
+	}
 }
 
 void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
@@ -719,6 +718,12 @@ void DecodeTrace::hover_point_changed()
 	assert(view);
 
 	QPoint hp = view->hover_point();
+
+	if (hp.x() == 0) {
+		QToolTip::hideText();
+		return;
+	}
+
 	QString ann = get_annotation_at_point(hp);
 
 	assert(view);