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app: make the new rounding code in GimpSpinScale less totally stupid

This commit is contained in:
Michael Natterer 2014-06-19 18:56:43 +02:00
parent be80f49018
commit 5a4e9d0e03
1 changed files with 15 additions and 7 deletions
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22
app/widgets/gimpspinscale.c
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@ -623,13 +623,21 @@ gimp_spin_scale_change_value (GtkWidget *widget,
digits = gtk_spin_button_get_digits (spin_button);
/* round the value to the possible precision of the spinbutton, so
* a focus-out will not change the value again, causing inadvertend
* adjustment signals.
*/
value *= powl (10, digits);
value = RINT (value);
value /= powl (10, digits);
if (digits > 0)
{
gint power = 1;
while (digits--)
power *= 10;
/* round the value to the possible precision of the spinbutton, so
* a focus-out will not change the value again, causing inadvertend
* adjustment signals.
*/
value *= power;
value = RINT (value);
value /= power;
}
gtk_adjustment_set_value (adjustment, value);
}