X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fdata%2Fsignalbase.hpp;h=19f8143dc77e3499a92ecb0d17fb07fe411605be;hb=ed643f0b4ac587204a5243451cda181ee1405d62;hp=2223abaf75d3346532d26f81c9a529d0e4b3ae41;hpb=66a43b4f9cf76853e99e7f5fc2f9df49ec58bd34;p=pulseview.git

diff --git a/pv/data/signalbase.hpp b/pv/data/signalbase.hpp
index 2223abaf..19f8143d 100644
--- a/pv/data/signalbase.hpp
+++ b/pv/data/signalbase.hpp
@@ -87,7 +87,7 @@ private:
 class SignalBase : public QObject, public enable_shared_from_this<SignalBase>
 {
 	Q_OBJECT
-	Q_PROPERTY(QString error_message READ get_error_message)
+	Q_PROPERTY(QString error_message READ get_error_message NOTIFY error_message_changed)
 
 public:
 	enum ChannelType {
@@ -219,7 +219,7 @@ public:
 	/**
 	 * Set the color of the signal.
 	 */
-	void set_color(QColor color);
+	virtual void set_color(QColor color);
 
 	/**
 	 * Get the background color of the signal.
@@ -379,7 +379,7 @@ Q_SIGNALS:
 	void enabled_changed(const bool &value);
 	void name_changed(const QString &name);
 	void color_changed(const QColor &color);
-	void error_message_changed(const QString &msg);
+	void error_message_changed(QString msg);
 	void conversion_type_changed(const ConversionType t);
 
 	void samples_cleared();