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libview: Add check for pageless documents to ev_view_accessible_focus…

Without this check, Evince will crash when opening a document that, for
whatever reason, has no pages.

origin commit:
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joanmarie authored and raveit65 committed Mar 22, 2018
1 parent 9fc7889 commit 8597c1df89e46c82ca7bc76eb2d1af3ac03d7141
Showing with 1 addition and 1 deletion.
  1. +1 −1 libview/ev-view-accessible.c
@@ -448,7 +448,7 @@ ev_view_accessible_focus_changed (GtkWidget *widget,
g_return_val_if_fail (EV_IS_VIEW (widget), FALSE);
g_return_val_if_fail (EV_IS_VIEW_ACCESSIBLE (self), FALSE);

if (self->priv->children == NULL)
if (self->priv->children == NULL || self->priv->children->len == 0)
return FALSE;

page_accessible = g_ptr_array_index (self->priv->children,

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