comparison align/ExternalProgramAligner.h @ 761:6429a164b7e1 pitch-align

Schedule alignments with a small delay to avoid too much UI unresponsiveness. Also overhaul error reporting to use signals throughout.

                            QString program);
 
     // Destroy the aligner, cleanly cancelling any ongoing alignment
     ~ExternalProgramAligner();
 
-    bool begin(QString &error) override;
+    void begin() override;
 
     static bool isAvailable(QString program);
 
 private slots:
     void programFinished(int, QProcess::ExitStatus);