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[Kenneth_Smith]

Paul,

A very quick question.

A %pl[native,external] cannot have a callback and consequently plot_mode@ cannot be used with the [external] option.

Is this correct, or am I missing something?

[PaulLaidler]

Ken

At the moment you can't have a callback function with %pl[external] but my comment in the ClearWin+ code has "at least for now". So at the time I must have thought that a callback might be possible and useful.

A parent %gr (for %pl) could possibly have a callback which could then be used for mouse events (in %pl) particularly when [full_mouse_input] is enabled. But I have not experimented with this.