Error when dragging canvas using touch #3741
Description
Describe the bug
When dragging on the canvas using touch-input an error occurs.
To Reproduce
Steps to reproduce the behavior:
- Create a new project
- Drag on the canvas
- See error
Gaphor version: 3.0.0
Operating System: Linux (6.8.0-51-generic, x86_64)
Display: GdkWaylandDisplay
Python version: 3.12.8
GTK version: 4.16.12
Adwaita version: 1.6.3
GtkSourceView version: 5.14.2
Cairo version: 1.18.2
Pango version: 1.54.0
PyGObject version: 3.50.0
Pycairo version: 1.27.0
Errors:
Time since application startup: 0:13:55
|Traceback (most recent call last):
| File "/app/lib/python3.12/site-packages/gaphor/ui/diagrampage.py", line 336, in on_show_popup
| or not ctrl.get_last_event().triggers_context_menu()
|AttributeError: 'NoneType' object has no attribute 'triggers_context_menu'
Expected behavior
No error should occur, and in some situations a selection box should appear. I also expect to be able to drag elements around.
OS
- Linux, Ubuntu
Version
Version of Gaphor: 3.0.0