comparison transform/Transform.h @ 118:b4110b17bca8

* Fix #1672407 confused by plugin-named files in cwd (or home?)
* Fix #1491848 crash when loading new file while transform plugin runs
* Fix #1502287 Background remains black after spectrogram layer deleted
* Fix #1604477 Replacing the main audio file silences secondary audio file
* Fix failure to initialise property box layout to last preference on startup
* Fix resample/wrong-rate display in Pane, ensure that right rate is chosen
  if all current models have an acceptable rate even if previous main model
  had a different one
* Fix "global zoom" broken in previous commit
* Some fixes to spectrogram cache area updating (makes spectrogram appear
  more quickly, previously it had a tendency to refresh with empty space)
* Fixes to colour 3d plot normalization

 class Transform : public Thread
 {
 public:
     virtual ~Transform();
 
+    // Just a hint to the processing thread that it should give up.
+    // Caller should still wait() and/or delete the transform before
+    // assuming its input and output models are no longer required.
+    void abandon() { m_abandoned = true; }
+
     Model *getInputModel()  { return m_input; }
     Model *getOutputModel() { return m_output; }
     Model *detachOutputModel() { m_detached = true; return m_output; }
 
 protected:
     Transform(Model *m);
 
     Model *m_input; // I don't own this
     Model *m_output; // I own this, unless...
     bool m_detached; // ... this is true.
-    bool m_deleting;
+    bool m_abandoned;
 };
 
 #endif