Parent bone name disappeared in the UI in pose mode #52977

New Issue

Erick Tukuniata · 2017-10-02T17:07:39+02:00

Erick Tukuniata commented

2017-10-02 17:07:39 +02:00

System Information
Operating system and graphics card win 7 gtx 550ti geforce

Blender Version
Broken: (example: 2.69.7 4b206af, see splash screen) Blender 2.79.1 64c1a48 it seems like it had been there more than a month
Worked: (optional) Blender 2.79.1 b4b1397

Short description of error
Parent bone name disappeared in the UI in pose mode

Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps

Make sure that bone have a parent
Go to pose mode
In the bone tab, relations panel you can only see the word "Parent" and bone icon but the given name is not displayed.

**System Information** Operating system and graphics card win 7 gtx 550ti geforce **Blender Version** Broken: (example: 2.69.7 4b206af, see splash screen) Blender 2.79.1 64c1a48 it seems like it had been there more than a month Worked: (optional) Blender 2.79.1 b4b1397 **Short description of error** Parent bone name disappeared in the UI in pose mode **Exact steps for others to reproduce the error** Based on a (as simple as possible) attached .blend file with minimum amount of steps - Make sure that bone have a parent - Go to pose mode - In the bone tab, relations panel you can only see the word "Parent" and bone icon but the given name is not displayed.

Erick Tukuniata commented

2017-10-02 17:07:39 +02:00

Changed status to: 'Open'

Erick Tukuniata commented

2017-10-02 17:07:39 +02:00

Added subscriber: @ErickNyanduKabongo

Erick Tukuniata commented

2017-10-02 17:11:05 +02:00

Oops i forgot the image

Oops i forgot the image ![bug.png](https://archive.blender.org/developer/F929577/bug.png)

Vuk Gardašević commented

2017-10-02 18:18:14 +02:00

Added subscriber: @VukGardasevic

Vuk Gardašević commented

2017-10-02 18:18:14 +02:00

I can confirm the issue on Win 7 with build 5c6e3ff from 28. September.

Seems that the line in the properties_data_bone.py script in class BONE_PT_relations

col.prop(bone, "parent", text="")

doesn't display anything apart from the icon.

That seems to work in 2.79 release.

A workaround would be:

        if context.bone:
            # col.prop(bone, "parent", text="")
            bone_name = bone.parent.name if bone.parent else "No Parent Bone Found"
            box = col.box()
            box.scale_y = 0.5
            box.label(text=bone_name, icon='BONE_DATA')
        else:
        
            col.prop_search(bone, "parent", arm, "edit_bones", text="")

however it's better to see what the issue really is as it can affect other areas.

I can confirm the issue on Win 7 with build `5c6e3ff` from 28. September. Seems that the line in the `properties_data_bone.py` script in `class BONE_PT_relations` ``` col.prop(bone, "parent", text="") ``` doesn't display anything apart from the icon. That seems to work in 2.79 release. A workaround would be: ``` if context.bone: # col.prop(bone, "parent", text="") bone_name = bone.parent.name if bone.parent else "No Parent Bone Found" box = col.box() box.scale_y = 0.5 box.label(text=bone_name, icon='BONE_DATA') else: col.prop_search(bone, "parent", arm, "edit_bones", text="") ``` however it's better to see what the issue really is as it can affect other areas.

Joshua Leung commented

2017-10-20 06:00:54 +02:00

Added subscriber: @JoshuaLeung

Julian Eisel was assigned by Joshua Leung

2017-10-20 06:00:54 +02:00

Joshua Leung commented

2017-10-20 06:00:55 +02:00

This seems related to a UI widgets bug, where setting text="" on a widget to hide the label ends up causing the widget to be displayed incorrectly. For example:

Using text="" on an enum with the expand=True set will result in the enum buttons having no labels. (To test, try doing this on the Armature "Ghost" panel - DATA_PT_ghost)
Modify a UI List row template to only draw an icon + blank text, and no icon will be drawn

This seems related to a UI widgets bug, where setting `text=""` on a widget to hide the label ends up causing the widget to be displayed incorrectly. For example: 1) Using `text=""` on an enum with the `expand=True` set will result in the enum buttons having no labels. (To test, try doing this on the Armature "Ghost" panel - `DATA_PT_ghost`) 2) Modify a UI List row template to only draw an icon + blank text, and no icon will be drawn

Erick Tukuniata commented

2017-12-06 09:59:36 +01:00

Bump, It seems like Blender 2.79a is getting closer. Can someone have a look? This bug is really disturbing when trying to debug your relation in pose mode.