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Maniphest T44747

Nodes: Dragging-to-toggle feature not work well sometimes
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Description

System Information
Win 8.1 64bit | GTX680

Blender Version
Broken: 2.74.5 abb80ab

Short description of error
When it is needed to toggle multiple node buttons by dragging over them, it sometimes failed to work well (typically, when it happens, it just behaves like it is still on work with mouse curor over them, even after LMB was released), not sure why. For the three node editors, it can be hardly noticed because there are few such cases. But for other nodes, such as what's in the Animation Nodes addon, it can be noticed after a few drag trials.

Exact steps for others to reproduce the error
Install Animation Nodes addon (recommended), add a Transforms Output node, then try toggling the nine buttons (loc / rot / scale).

P.S. However, there is no problem when toggling them from the N side bar. I guess there would probably be sort of conflict againt the normal node drag gesture? (another related report)

Revisions and Commits

rB Blender
rBbfa7586ba33b Fix T44747: Drag toggle /w nodes (glitch)

Related Objects

Event Timeline

Leon Cheung (leon_cheung) created this task.May 18 2015, 7:57 AM
Leon Cheung (leon_cheung) raised the priority of this task from to 90.
Leon Cheung (leon_cheung) updated the task description. (Show Details)
Leon Cheung (leon_cheung) added a project: BF Blender.
Leon Cheung (leon_cheung) edited a custom field.
Leon Cheung (leon_cheung) added a subscriber: Leon Cheung (leon_cheung).
Campbell Barton (campbellbarton) lowered the priority of this task from 90 to 30.May 18 2015, 8:26 AM
Campbell Barton (campbellbarton) added a subscriber: Campbell Barton (campbellbarton).

Installed the add=on and attempted to redo the bug but wasn't able to.

(Drag toggle works fine here in side-bar and in the node-editor).

Is there some way to make this happen more often?

Leon Cheung (leon_cheung) added a comment.EditedMay 18 2015, 10:53 AM

Just tried a bit more. I think it happens specifially when you dragging on the button while having the node dragged at the same time (by accident), especially when the initial speed is a bit fast. I just made a video here, and added by the time it happend there. Hope it helps.

Bastien Montagne (mont29) raised the priority of this task from 30 to Normal.May 25 2015, 3:24 PM
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).
Sergey Sharybin (sergey) assigned this task to Campbell Barton (campbellbarton).May 25 2015, 8:23 PM
Sergey Sharybin (sergey) added a subscriber: Sergey Sharybin (sergey).

@Campbell Barton (campbellbarton), as i understand it's mater of disabling button dragging when there's a modal operator running. And guess this is actually your area.

Campbell Barton (campbellbarton) added a comment.Jun 1 2015, 7:53 AM

re:

when you dragging on the button while having the node dragged at the same time,

How are you initializing the drag to begin with?

Leon Cheung (leon_cheung) added a comment.Jun 1 2015, 7:55 AM

eh... I guess mostly by clicking while dragging around the border of the checkbox instead of the center?

Leon Cheung (leon_cheung) added a comment.Jun 1 2015, 8:09 AM

It would be helpful to reproduce it by zooming out a node a lot. And I noticed a single or double clicking again somewhere apears to recover it from that behavoir.

Leon Cheung (leon_cheung) added a comment.Jun 1 2015, 8:17 AM

I confirm It happens on all node mode (material nodes, compositor, etc), it just happens more obvious on that addon due to the node item design. Or can it possibly be an OS based issue? :| Since all people I know who are experiencing this is on Windows OS. Didn't get chance to test on other OS yet.

Campbell Barton (campbellbarton) changed the task status from Unknown Status to Resolved by committing rBbfa7586ba33b: Fix T44747: Drag toggle /w nodes (glitch).Jun 1 2015, 8:43 AM
Campbell Barton (campbellbarton) added a commit: rBbfa7586ba33b: Fix T44747: Drag toggle /w nodes (glitch).