• Matthias Clasen's avatar
    range: Avoid miscalculating highlight allocation · e33188ad
    Matthias Clasen authored
    The slider gadget may be turned invisible as side-effect of
    gtk_range_calc_slider(). If that happens,
    gtk_css_gadget_get_content_allocation() returns { 0, 0, 0, 0},
    which leads us to calculate a negative allocation for the highlight
    node. Avoid this, by just reusing our already calculated slider
    allocation in this case (it is not technically the same as the
    content, allocation, but the difference hardly matter here.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=764022
    e33188ad
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