- void set_valid (bool yn) { valid = yn; }
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- virtual void set_height (double);
- virtual void set_samples_per_unit (double);
- virtual bool set_duration (jack_nframes_t, void*);
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- void move (double xdelta, double ydelta);
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- void raise ();
- void raise_to_top ();
- void lower ();
- void lower_to_bottom ();
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- bool set_position(jack_nframes_t pos, void* src, double* delta = 0);
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- virtual void show_region_editor () = 0;
- virtual void hide_region_editor();