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gtkscrolledwindow: Do not try to doubly trigger deceleration

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This may come from different sources at around the same time, e.g.
a hold gesture while on overshoot. Avoid doing that if an
animation is already set.

Fixes: https://gitlab.gnome.org/GNOME/gtk/-/issues/4730
This commit is contained in:
Carlos Garnacho 2022-02-28 20:27:43 +01:00
parent 68319afd23
commit 33db142eab
1 changed files with 2 additions and 1 deletions
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3
gtk/gtkscrolledwindow.c
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@ -1052,7 +1052,8 @@ gtk_scrolled_window_decelerate (GtkScrolledWindow *scrolled_window,
if (priv->x_velocity != 0 || priv->y_velocity != 0 || overshoot) if (priv->x_velocity != 0 || priv->y_velocity != 0 || overshoot)
{ {
gtk_scrolled_window_start_deceleration (scrolled_window); if (priv->deceleration_id == 0)
gtk_scrolled_window_start_deceleration (scrolled_window);
priv->x_velocity = priv->y_velocity = 0; priv->x_velocity = priv->y_velocity = 0;
} }
} }