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Scale: Fix documentation of digits per last revert

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Revert doc changes that were for the behavioural change just reverted.

Add a clarifying note that, under the original behaviour, :digits only
rounds the Adjustment if :draw-value is TRUE at the time of the change.

https://bugzilla.gnome.org/show_bug.cgi?id=781605
https://bugzilla.gnome.org/show_bug.cgi?id=358970
This commit is contained in:
Daniel Boles 2017-04-26 12:18:12 +01:00
parent 197355e15a
commit 8308ce1e61
1 changed files with 11 additions and 16 deletions
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27
gtk/gtkscale.c
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@ -762,17 +762,10 @@ gtk_scale_class_init (GtkScaleClass *class)
G_TYPE_STRING, 1,
G_TYPE_DOUBLE);
/**
* GtkScale:digits:
*
* The number of decimal places to which the value is rounded when it is
* changed. This also sets the number of digits shown in the displayed value
* when using the default handler for the #GtkScale::format-value signal.
*/
properties[PROP_DIGITS] =
g_param_spec_int ("digits",
P_("Digits"),
P_("The number of decimal places to which the value is rounded"),
P_("The number of decimal places that are displayed in the value"),
-1, MAX_DIGITS,
1,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
@ -1087,11 +1080,13 @@ gtk_scale_new_with_range (GtkOrientation orientation,
/**
* gtk_scale_set_digits:
* @scale: a #GtkScale
* @digits: the number of decimal places to which the value will be rounded
* @digits: the number of decimal places to display,
* e.g. use 1 to display 1.0, 2 to display 1.00, etc
*
* Sets the number of decimal places to which the value is rounded when it is
* changed. This also sets the number of digits shown in the displayed value
* when using the default handler for the #GtkScale::format-value signal.
* Sets the number of decimal places that are displayed in the value. Also
* causes the value of the adjustment to be rounded to this number of digits
* whenever it is changed, so the retrieved value matches the displayed one, if
* #GtkScale:draw-value is TRUE at the time of the change.
*
* Note that rounding to a small number of digits can interfere with
* the smooth autoscrolling that is built into #GtkScale. As an alternative,
@ -1129,10 +1124,9 @@ gtk_scale_set_digits (GtkScale *scale,
* gtk_scale_get_digits:
* @scale: a #GtkScale
*
* Gets the number of decimal places to which the value is rounded on change.
* This number is also used by the default #GtkScale::format-value handler.
* Gets the number of decimal places that are displayed in the value.
*
* Returns: the number of decimal places
* Returns: the number of decimal places that are displayed
*/
gint
gtk_scale_get_digits (GtkScale *scale)
@ -1908,7 +1902,8 @@ weed_out_neg_zero (gchar *str,
}
/*
* Emits the #GtkScale::format-value signal.
* Emits #GtkScale:format-value signal to format the value;
* if no user signal handlers, falls back to a default format.
*
* Returns: formatted value
*/