Change right arrow key behavior in Task tree

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Djo
Posts: 282
Joined: Mon Sep 09, 2019 3:02 pm

Change right arrow key behavior in Task tree

Post by Djo » Sun Sep 12, 2021 10:00 am

The left/right arrow keys in Taks Tree work as follow:

Expanded nodes
- the Left arrow will collapse the item
- the Right arrow will navigate to the first child

Collapsed nodes
- the Left arrow will navigate to the parent
- the Right arrow will expand the item

This is the default behaviour of the Windows Tree Control (and Windows Explorer Folder pane).

With this behavior, when a folder (task) with no subfolder (subtask) has been reached the right arrow key stops working. In the screenshot below, the right arrow key stops working after the task named "Task":

RightKeyStop.gif
RightKeyStop.gif (22.02 KiB) Viewed 70 times

Maybe you know the file manager program "Total Commander". In this program the behavior of the right arrow key is slightly different: when a folder (task) with no subfolder (subtask) has been reached and the right arrow key is pressed again, it behaves then as a down arrow key so the selection goes on the next folder (task) on the list. The left arrow key behavior remains the same.
In the screenshot below, only the right arrow key is pressed, up to the "7" folder (then the left arrow key is pressed 6 times)

RightKeyContinue.gif
RightKeyContinue.gif (124.87 KiB) Viewed 70 times

IMO the Total Commander behavior is better, handier, it is an improvement over the Windows standard implementation.
This is handier because to browse a tree completely only the right arrow key has to be used, in a systematic way. Very simple. We don't have to change constantly between right and down arrow keys, which is annoying.

So this change in the right arrow key behavior would be nice.

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