use "text" signals for drop-down text QComboBox - #3823
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Included review availability: Your plan includes up to 3 reviews per rolling hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe MotionPlanning RViz plugin replaces string-based Qt signal and slot connections with typed connections throughout its UI wiring. Combo boxes use typed activation signals, and configuration controls call ChangesMotionPlanning signal wiring
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to The change fixes drop-down text signal handling, but one planning-group connection still uses a user-only signal, which can prevent programmatic updates from propagating correctly. The PR is mergeable with explicit owner awareness and follow-up on that connection. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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The 'QComboBox' in the 'moveit_rviz_plugin/MotionPlanning' uses the signals 'activated' and 'currentIndexChanged'. At least with newer Qt versions on lyrical, they have the signatures 'void activated(int index);' and 'void currentIndexChanged(int index);', which are incompatible with text. The correct signals would be those with "text": 'void textActivated(const QString &);' and 'void currentTextChanged(const QString &);'.
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Actionable comments posted: 1
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Inline comments:
In
`@moveit_ros/visualization/motion_planning_rviz_plugin/src/motion_planning_frame.cpp`:
- Around line 124-125: Update the planning_group_combo_box connection to use
currentTextChanged(QString) instead of textActivated(QString), so
planningGroupTextChanged(QString) also runs when setCurrentText() changes the
selection programmatically.
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moveit_ros/visualization/motion_planning_rviz_plugin/src/motion_planning_frame.cpp
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rhaschke
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Note that the main branch should support all active ROS distros, thus still Humble with Qt5.
For MoveIt1 we fixed the Qt5/Qt6 compatibility long ago (moveit/moveit#3582) by choosing different signals.
Also, we used the modern function-pointer syntax for signals and slots, which detects mismatching connections at compile time already.
I suggest performing a cherry-pick (which probably needs many manual adaptations).
An AI should be good at this 😉
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I replace the SIGNAL/SLOT macros and this is still compiling on humble without any switches. But I think we should not check for |
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #3823 +/- ##
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- Coverage 48.76% 48.74% -0.02%
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Files 730 730
Lines 62470 62497 +27
Branches 7609 7609
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Hits 30455 30455
- Misses 32015 32042 +27 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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I added compile-time version switches for this. It now builds on all LTS distros. |
rhaschke
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rhaschke
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Looks great. Thanks a lot!
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Description
The
QComboBoxin themoveit_rviz_plugin/MotionPlanninguses the signalsactivatedandcurrentIndexChanged. At least with newer Qt versions on lyrical, they have the signaturesvoid activated(int index);andvoid currentIndexChanged(int index);, which are incompatible with the text.The correct signals would be those with "text":
void textActivated(const QString &);andvoid currentTextChanged(const QString &);.Fixes #3822 .
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