Layers list improvements

akiraux / Akira

Native Linux App for UI and UX Design built in Vala and GTK

GNU General Public License v3.0

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Layers list improvements #672

Closed Alecaddd closed 2 years ago

Alecaddd commented 2 years ago

Summary / How this PR fixes the problem?

Now that we have a layers listbox with some basic selection functionalities, it's time to improve the performance and add missing features.

This PR fixes/implements the following bugs/features:

[x] Improve the layers creation performance and selection performance.
[x] Double click to edit the layer name.
[x] Add hover effect in both direction (item to layer | layer to item).

Alecaddd commented 2 years ago

This is ready for a full review. I'll do the removal of child layers in a follow up PR since this is big enough, and also because I'm thinking maybe it's better to use the ModelNode as layer model instead of the ModelInstance.