X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fdata%2Fmathsignal.hpp;h=b554a07eeb84ffdf9cd3bda57ef972c88bc0013c;hb=79c0e0452fb025da84af9cc0953b85631af343f9;hp=6127b177e025175f1a7cf5621bb48a0ed089a2c1;hpb=144e72c9ec677e7df35d37d7de6e8a18bb3f2ba1;p=pulseview.git

diff --git a/pv/data/mathsignal.hpp b/pv/data/mathsignal.hpp
index 6127b177..b554a07e 100644
--- a/pv/data/mathsignal.hpp
+++ b/pv/data/mathsignal.hpp
@@ -60,7 +60,6 @@ class MathSignal : public SignalBase
 {
 	Q_OBJECT
 	Q_PROPERTY(QString expression READ get_expression WRITE set_expression NOTIFY expression_changed)
-	Q_PROPERTY(QString error_message READ error_message)
 
 private:
 	static const int64_t ChunkLength;
@@ -72,13 +71,11 @@ public:
 	virtual void save_settings(QSettings &settings) const;
 	virtual void restore_settings(QSettings &settings);
 
-	QString error_message() const;
-
 	QString get_expression() const;
 	void set_expression(QString expression);
 
 private:
-	void set_error_message(QString msg);
+	virtual void set_error_message(QString msg);
 
 	/**
 	 * Returns the number of samples that can be worked on,
@@ -92,7 +89,7 @@ private:
 	void update_completeness(uint32_t segment_id, uint64_t output_sample_count);
 
 	void reset_generation();
-	void begin_generation();
+	virtual void begin_generation();
 
 	void generate_samples(uint32_t segment_id, const uint64_t start_sample,
 		const int64_t sample_count);
@@ -123,7 +120,7 @@ private:
 	bool use_custom_sample_rate_, use_custom_sample_count_;
 	map<std::string, signal_data> input_signals_;
 
-	QString expression_, error_message_;
+	QString expression_;
 
 	mutable mutex input_mutex_;
 	mutable condition_variable gen_input_cond_;