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Vertex slide broken
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System Information
Operating system and graphics card
Linux 64 bit, although should not matter

Blender Version
Latest trunk, 6d6bb2d

Short description of error
New clamp option (shortcut C while using vertex slide) doesn't do anything, it's impossible to toggle it off.
Impossible to slide vertex along the extension of the edge away from the other vert defining the edge.

Ability to select the direction vertex moves is lost, making the workflow very hit and miss and forcing to cancel GG slide or vertex slide often.

Event Timeline

Henrik Aarnio (hjaarnio) raised the priority of this task from to Needs Triage by Developer.
Henrik Aarnio (hjaarnio) updated the task description. (Show Details)
Henrik Aarnio (hjaarnio) set Type to Bug.

As I suspected, the issue is revealed by my changes to how events are handled in transform code (to make modal numinput work).

However, real problem is, the C key is already used by the generic handler (line 1359 of transform.c, to remove any constraint previously set [XYZ keys...]), which means it should never be usable by custom handlers such as done by the vertexslide transform mode (for some reason, it worked before my changes).

@Campbell Barton (campbellbarton) any thoughts? Best solution would be to choose something else than C for vertexslide (and check no other custom handler use it either), imho?

Bastien Montagne (mont29) lowered the priority of this task from Needs Triage by Developer to Normal.Jan 12 2014, 10:07 AM

PET and Constraints dont apply to vertex slide, Ignore this keybinding unless transform supports it.