nick_m 3e4eaf3991 improve sysex data display. ...

- don't add a new SysEx canvas item every time we zoom or drag.

	- speed up redisplay generally using PatchChange-like method
	  for finding items (find_canvas_sys_ex() in boost::unordered_map).

2017-02-04 22:57:36 +11:00

1.9 KiB

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