X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fcursor.cpp;h=512b5fa9791425a6a84f8de5a12bab1f61d6ab2f;hp=d5b0a641f075a5b9c5d7f4ddd0cb511102aee08a;hb=08d9c3caec0a3ad1c624af685f948e17b91d278a;hpb=4fabd61a2676246265c12d614cde496bf0a79075

diff --git a/pv/view/cursor.cpp b/pv/view/cursor.cpp
index d5b0a641..512b5fa9 100644
--- a/pv/view/cursor.cpp
+++ b/pv/view/cursor.cpp
@@ -32,8 +32,11 @@
 
 #include <cassert>
 #include <cstdio>
+#include <limits>
 
+using std::abs;
 using std::shared_ptr;
+using std::numeric_limits;
 
 namespace pv {
 namespace view {
@@ -45,7 +48,17 @@ Cursor::Cursor(View &view, double time) :
 {
 }
 
-QRectF Cursor::get_label_rect(const QRect &rect) const
+bool Cursor::enabled() const
+{
+	return view_.cursors_shown();
+}
+
+QString Cursor::get_text() const
+{
+	return pv::util::format_time(time_, view_.tick_prefix(), 2);
+}
+
+QRectF Cursor::label_rect(const QRectF &rect) const
 {
 	const shared_ptr<Cursor> other(get_other_cursor());
 	assert(other);
@@ -53,17 +66,19 @@ QRectF Cursor::get_label_rect(const QRect &rect) const
 	const float x = (time_ - view_.offset()) / view_.scale();
 
 	QFontMetrics m(QApplication::font());
-	QSize text_size = m.boundingRect(
-		pv::util::format_time(time_, view_.tick_prefix(), 2)).size();
+	QSize text_size = m.boundingRect(get_text()).size();
 
 	const QSizeF label_size(
-		text_size.width() + View::LabelPadding.width() * 2,
-		text_size.height() + View::LabelPadding.height() * 2);
+		text_size.width() + LabelPadding.width() * 2,
+		text_size.height() + LabelPadding.height() * 2);
 	const float top = rect.height() - label_size.height() -
-		TimeMarker::Offset - TimeMarker::ArrowSize - 0.5f;
+		TimeMarker::ArrowSize - 0.5f;
 	const float height = label_size.height();
 
-	if (time_ > other->time())
+	const double other_time = other->time();
+	if (time_ > other_time ||
+		(abs(time_ - other_time) < numeric_limits<double>::epsilon() &&
+		this > other.get()))
 		return QRectF(x, top, label_size.width(), height);
 	else
 		return QRectF(x - label_size.width(), top,
@@ -72,9 +87,10 @@ QRectF Cursor::get_label_rect(const QRect &rect) const
 
 shared_ptr<Cursor> Cursor::get_other_cursor() const
 {
-	const CursorPair &cursors = view_.cursors();
-	return (cursors.first().get() == this) ?
-		cursors.second() : cursors.first();
+	const shared_ptr<CursorPair> cursors(view_.cursors());
+	assert(cursors);
+	return (cursors->first().get() == this) ?
+		cursors->second() : cursors->first();
 }
 
 } // namespace view