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Re: bug in gtk_adjustment_clamp_page()?




On Thu, Nov 26, 2015 at 4:24 PM,  <jcupitt@xxxxxxxxx> wrote:
> These lines:
>
>   https://git.gnome.org/browse/gtk+/tree/gtk/gtkadjustment.c#n932
>
> Clamp the value of an adjustment so it lies between lower and upper.

No. From the documentation a couple of lines above:
"Updates the #GtkAdjustment:value property to ensure that the range
between @lower and @upper is in the current page (i.e. between
#GtkAdjustment:value and #GtkAdjustment:value + #GtkAdjustment:page-size)."

In other words:
:value <= @lower <= @upper <= :value + :page-size
(if @upper - @lower <= :page-size, otherwise @lower "wins")

So the comparison operators are correct for the documented behavior.
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