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Fix visual tearing in scroll-view (#11760) #12672

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Fix visual tearing in scroll-view (#11760) #12672

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12 changes: 12 additions & 0 deletions src/st/st-scroll-view.c
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Original file line number Diff line number Diff line change
Expand Up @@ -933,6 +933,16 @@ vfade_setting_changed_cb (GSettings *settings, gchar *key, gpointer user_data)
st_scroll_view_style_changed (widget);
}

static void
st_scroll_view_vadjustment_changed (GSettings *settings,
gchar *key,
gpointer user_data)
{
ClutterActor *scroll_view = CLUTTER_ACTOR (user_data);

clutter_actor_queue_redraw (scroll_view);
}

static gboolean
st_scroll_view_scroll_event (ClutterActor *self,
ClutterScrollEvent *event)
Expand Down Expand Up @@ -1087,6 +1097,8 @@ st_scroll_view_init (StScrollView *self)
clutter_actor_add_child (CLUTTER_ACTOR (self), priv->hscroll);
clutter_actor_add_child (CLUTTER_ACTOR (self), priv->vscroll);

g_signal_connect (priv->vadjustment, "notify::value", G_CALLBACK (st_scroll_view_vadjustment_changed), self);

/* mouse scroll is enabled by default, so we also need to be reactive */
priv->mouse_scroll = TRUE;
g_object_set (G_OBJECT (self), "reactive", TRUE, NULL);
Expand Down
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