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scale: Document interaction between rounding and autoscrolling

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This is a bit of a gotcha, so better document it.
This commit is contained in:
Matthias Clasen 2016-08-24 12:58:54 -04:00
parent f7c87fb3b7
commit 07e9b399d5
1 changed files with 5 additions and 0 deletions
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gtk/gtkscale.c
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@ -1116,6 +1116,11 @@ gtk_scale_new_with_range (GtkOrientation orientation,
* Sets the number of decimal places that are displayed in the value.
* Also causes the value of the adjustment to be rounded off to this
* number of digits, so the retrieved value matches the value the user saw.
*
* Note that rounding to a small number of digits can interfere with
* the smooth autoscrolling that is built into #GtkScale. As an alternative,
* you can use the #GtkScale::format-value signal to format the displayed
* value yourself.
*/
void
gtk_scale_set_digits (GtkScale *scale,