[Scilab-users] Graphics: Highlighted Entity

[CRETE Denis]

Thank you for your answer. Actually I was essentially interested in clicking on a polyline (or may be other graphic elements like Arcs, Rectangles, etc… rather than Axes), which makes it change its color (for grey in my Scilab 6.1.0 on Ubuntu 20.04). I understand that this concerns the java engine rather than the Scilab one.
Once you have one such highlighted object, (and if this has been obtained in a “pause” mode, after typing “resume” on the console), I would like the subsequent code to identify which of the object has been highlighted by the click.

Best regards
Denis

De : users <users-bounces at lists.scilab.org> De la part de Samuel Gougeon
Envoyé : mardi 7 juin 2022 21:19
À : users at lists.scilab.org
Objet : Re: [Scilab-users] Graphics: Highlighted Entity

Le 07/06/2022 à 11:08, CRETE Denis a écrit :
Hello,

In several occasions, I considered that it would be useful to get a handle on a highlighted entity.
Does a function which might be called “get_hilited_entity” exist ? I did not find either in the properties of basic entities like “Polyline” something related to the highlighted state of a polyline…



It depends on what  highlighted means to you. There is the Scilab's meaning -- as the current axes or figure are the default targets for forthcoming plots -- ; and the java meaning -- as the elements that have the java focus, as when we click on a figure, or in an axes, on a curve, etc. Both meanings do not match:

  *   just clicking an an axes does not make it as the new default target for plotting
  *   making a figure or axes the active ones for Scilab does not move and put the mouse's pointer on them.
For the Scilab meaning, gce() is made for your request.

twinkle() helps a lot to visually identify the current active entity gce().

Regards
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