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PR summary

get_current_event() calls within pygobject would cause segfaults. This was fixed in 3.47, so gate the guiEvent information to only access that method in versions that don't segfault.

closes #29350

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@greglucas greglucas added this to the v3.10.1 milestone Dec 20, 2024
@tacaswell tacaswell added the Release critical For bugs that make the library unusable (segfaults, incorrect plots, etc) and major regressions. label Dec 20, 2024
@@ -37,6 +39,7 @@ class FigureCanvasGTK4(_FigureCanvasGTK, Gtk.DrawingArea):

def __init__(self, figure=None):
super().__init__(figure=figure)
print("GI version", gi.version_info)
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Suggested change
print("GI version", gi.version_info)

stray debugging print.

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Thanks! I guess this confirms I was testing it locally with various gi versions ;) and this did work on both lower and upper

get_current_event() calls within pygobject would cause segfaults. This
was fixed in 3.47, so gate the guiEvent information to only access
that method in versions that don't segfault.
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@timhoffm timhoffm left a comment

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Mypy failure is unrelated (#29362)

@tacaswell tacaswell closed this Jan 6, 2025
@tacaswell tacaswell reopened this Jan 6, 2025
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"power-cycled" to re-run against current main which should fix the mypy issues.

@greglucas greglucas merged commit cb2d928 into matplotlib:main Jan 6, 2025
61 of 63 checks passed
@greglucas greglucas deleted the gtk4-guievent branch January 6, 2025 16:12
meeseeksmachine pushed a commit to meeseeksmachine/matplotlib that referenced this pull request Jan 6, 2025
rcomer added a commit that referenced this pull request Jan 6, 2025
…363-on-v3.10.x

Backport PR #29363 on branch v3.10.x (FIX: Add version gate to GTK4 calls when necessary)
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GUI: gtk Release critical For bugs that make the library unusable (segfaults, incorrect plots, etc) and major regressions.
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[Bug]: Matplotlib causes segmentation fault when hovering mouse over graph
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