[umbrello] [Bug 527712] New: Overlapping Lifeline Boxes in Sequence Diagrams

Jose bugzilla_noreply at kde.org
Sat Oct 24 08:37:17 BST 2026


https://bugs.kde.org/show_bug.cgi?id=527712

            Bug ID: 527712
           Summary: Overlapping Lifeline Boxes in Sequence Diagrams
    Classification: Applications
           Product: umbrello
      Version First Git
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: umbrello-devel at kde.org
          Reporter: jose.velez at urjc.es
  Target Milestone: ---

Created attachment 197587
  --> https://bugs.kde.org/attachment.cgi?id=197587&action=edit
Figure that ilustrate the problem

DESCRIPTION
When creating a sequence diagram that includes a nested call (see Figure A in
attachment), clicking on the top of the enclosing lifeline box (see Figure B)
causes the enclosing box to overlap the nested one.

STEPS TO REPRODUCE
1. Create a sequence diagram with a nested call into a lifeline box (see figure
A)
2. Click on the top of the enclosing lifeline box 

OBSERVED RESULT
The enclosing box overlaps the nested one.

EXPECTED RESULT
The enclosing lifeline box should not overlap the nested lifeline box.

SOFTWARE/OS VERSIONS
Operating System: KDE neon User Edition
KDE Plasma Version: 6.8.1
KDE Frameworks Version: 6.31.0
Qt Version: 6.11.1

ADDITIONAL INFORMATION
The arrow representing the nested call is displayed as an asynchronous message
arrow. However, it should be displayed as a synchronous message arrow, with a
filled arrowhead.

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