Double-click is overloaded over un/collapsing, selecting, and focusing in a conflicting way

[abey79]

Context

Double clicking in the UI has several, often conflicting behaviour in the UI:

1. In a spatial view, select all instances (as opposed to a single e.g. point):

2. In the streams view (but not other hierarchical lists, it seems), collapse/uncollapse:

3. In most places, "focus" on the item:

(In this context, "focusing" refers to our "focus item" mechanism, whereby any piece of UI may set a "focused item", which would trigger any other piece of UI to react to that, e.g. by scrolling to the corresponding item, or zooming on it, etc.—what to do, if at all, with a focused item is up to the specific UI element.)

Issue

The primary issue is the conflicting and inconsistant behaviour:

• I want to focus on an entity from the stream view: I can do that, but that will also toggle the collapsedness.
• I want to un/collapse lists by double-clicking on item: I can do that only in the streams view (and it will also focus on that entity).
• I want to focus on a specific instance in a spatial view: I can't do that. If I double-click, it will first select the entire entity (all instances), and then focus on it. So e.g. the latest at dataframe cannot scroll to the specific instance that was double-clicked.

Solution

To be designed. Probably involve assigning the "focusing" behaviour to another "gesture".

Related

• Selection of object in 3d scene should have a button to focus on object #810
• Double-click to focus on a point no longer works #5382