X-Git-Url: http://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.cpp;fp=pv%2Fview%2Fanalogsignal.cpp;h=63e759f97ed7411922b70e2af4946dd2df643ad9;hp=8f6027b7a52f990135fc54cbe0881b93fc4d1c0a;hb=80067e4944e111bfa8d6b399812dddaa29d5a4ab;hpb=430b94aaa74cbbbf805803a013b77a4d1e18daaf

diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
index 8f6027b7..63e759f9 100644
--- a/pv/view/analogsignal.cpp
+++ b/pv/view/analogsignal.cpp
@@ -737,6 +737,13 @@ void AnalogSignal::on_pos_vdivs_changed(int vdivs)
 
 	pos_vdivs_ = vdivs;
 
+	// There has to be at least one div, positive or negative
+	if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) {
+		pos_vdivs_ = 1;
+		if (pvdiv_sb_)
+			pvdiv_sb_->setValue(pos_vdivs_);
+	}
+
 	if (autoranging_) {
 		perform_autoranging(true, true);
 
@@ -761,6 +768,13 @@ void AnalogSignal::on_neg_vdivs_changed(int vdivs)
 
 	neg_vdivs_ = vdivs;
 
+	// There has to be at least one div, positive or negative
+	if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) {
+		pos_vdivs_ = 1;
+		if (pvdiv_sb_)
+			pvdiv_sb_->setValue(pos_vdivs_);
+	}
+
 	if (autoranging_) {
 		perform_autoranging(true, true);