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Fixed the GTK3 unrealize lifecycle in gtk_xtext_unrealize() by removing the early gdk_window_set_user_data(window, NULL) path, so the widget/window ownership remains valid until parent unrealize runs. This matches GTK’s expected unregister flow and addresses the user_data == NULL abort pattern you described.

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Kept GTK2 behavior unchanged (#if !HAVE_GTK3 still clears widget->window user data in the legacy path).
Added an in-code comment documenting why GTK3 must preserve user-data until chaining to parent unrealize.
This commit is contained in:
deepend
2026-02-16 18:11:37 -07:00
parent 6df8a98fa0
commit 09a4d3923a
1 changed files with 5 additions and 8 deletions
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13
src/fe-gtk/xtext.c
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@@ -931,16 +931,13 @@ gtk_xtext_finalize (GObject *object)
static void
gtk_xtext_unrealize (GtkWidget * widget)
{
#if HAVE_GTK3
GdkWindow *window = gtk_widget_get_window (widget);
#endif
backend_deinit (GTK_XTEXT (widget));
/* if there are still events in the queue, this'll avoid segfault */
#if HAVE_GTK3
if (window)
gdk_window_set_user_data (window, NULL);
#endif
/*
* Keep GtkWidget/GdkWindow association intact until parent unrealize.
* GtkWidget's unrealize path unregisters the window and expects
* gdk_window_get_user_data(window) == widget.
*/
#if !HAVE_GTK3
gdk_window_set_user_data (widget->window, NULL);
#endif