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Add accessors for GtkRange::round-digits

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Patch by Christian Dywan,
https://bugzilla.gnome.org/show_bug.cgi?id=351755
This commit is contained in:
Matthias Clasen 2011-01-15 00:08:39 -05:00
parent 8e420bca02
commit ccc3d874ef
5 changed files with 81 additions and 17 deletions
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4
docs/reference/gtk/gtk3-sections.txt
View File

@ -2482,9 +2482,11 @@ gtk_range_set_adjustment
gtk_range_get_inverted
gtk_range_set_inverted
gtk_range_get_value
gtk_range_set_value
gtk_range_set_increments
gtk_range_set_range
gtk_range_set_value
gtk_range_get_round_digits
gtk_range_set_round_digits
GtkSensitivityType
gtk_range_set_lower_stepper_sensitivity
gtk_range_get_lower_stepper_sensitivity

2
gtk/gtk.symbols
View File

@ -2050,6 +2050,7 @@ gtk_range_get_lower_stepper_sensitivity
gtk_range_get_min_slider_size
gtk_range_get_range_rect
gtk_range_get_restrict_to_fill_level
gtk_range_get_round_digits
gtk_range_get_show_fill_level
gtk_range_get_slider_range
gtk_range_get_slider_size_fixed
@ -2065,6 +2066,7 @@ gtk_range_set_lower_stepper_sensitivity
gtk_range_set_min_slider_size
gtk_range_set_range
gtk_range_set_restrict_to_fill_level
gtk_range_set_round_digits
gtk_range_set_show_fill_level
gtk_range_set_slider_size_fixed
gtk_range_set_upper_stepper_sensitivity

77
gtk/gtkrange.c
View File

@ -151,7 +151,8 @@ enum {
PROP_UPPER_STEPPER_SENSITIVITY,
PROP_SHOW_FILL_LEVEL,
PROP_RESTRICT_TO_FILL_LEVEL,
PROP_FILL_LEVEL
PROP_FILL_LEVEL,
PROP_ROUND_DIGITS
};
enum {
@ -376,7 +377,7 @@ gtk_range_class_init (GtkRangeClass *class)
* @returns: %TRUE to prevent other handlers from being invoked for the
* signal, %FALSE to propagate the signal further
*
* The ::change-value signal is emitted when a scroll action is
* The #GtkRange::change-value signal is emitted when a scroll action is
* performed on a range. It allows an application to determine the
* type of scroll event that occurred and the resultant new value.
* The application can handle the event itself and return %TRUE to
@ -385,12 +386,12 @@ gtk_range_class_init (GtkRangeClass *class)
* reached.
*
* The value parameter is unrounded. An application that overrides
* the ::change-value signal is responsible for clamping the value to
* the desired number of decimal digits; the default GTK+ handler
* clamps the value based on @range->round_digits.
* the GtkRange::change-value signal is responsible for clamping the
* value to the desired number of decimal digits; the default GTK+
* handler clamps the value based on #GtkRange:round-digits.
*
* It is not possible to use delayed update policies in an overridden
* ::change-value handler.
* #GtkRange::change-value handler.
*
* Since: 2.6
*/
@ -495,6 +496,24 @@ gtk_range_class_init (GtkRangeClass *class)
G_MAXDOUBLE,
GTK_PARAM_READWRITE));
/**
* GtkRange:round-digits:
*
* The number of digits to round the value to when
* it changes, or -1. See #GtkRange::change-value.
*
* Since: 2.24
*/
g_object_class_install_property (gobject_class,
PROP_ROUND_DIGITS,
g_param_spec_int ("round-digits",
P_("Round Digits"),
P_("The number of widgets to round the value to."),
-1,
G_MAXINT,
-1,
GTK_PARAM_READWRITE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("slider-width",
P_("Slider Width"),
@ -629,6 +648,9 @@ gtk_range_set_property (GObject *object,
case PROP_FILL_LEVEL:
gtk_range_set_fill_level (range, g_value_get_double (value));
break;
case PROP_ROUND_DIGITS:
gtk_range_set_round_digits (range, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -670,6 +692,9 @@ gtk_range_get_property (GObject *object,
case PROP_FILL_LEVEL:
g_value_set_double (value, gtk_range_get_fill_level (range));
break;
case PROP_ROUND_DIGITS:
g_value_set_int (value, gtk_range_get_round_digits (range));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -2895,7 +2920,7 @@ gtk_range_adjustment_value_changed (GtkAdjustment *adjustment,
181, force_repaint,
range, NULL);
}
/* Note that we don't round off to priv->round_digits here.
* that's because it's really broken to change a value
* in response to a change signal on that value; round_digits
@ -4055,11 +4080,45 @@ _gtk_range_get_stop_positions (GtkRange *range,
return priv->n_marks;
}
/**
* gtk_range_set_round_digits:
* @range: a #GtkRange
* @round_digits: the precision in digits, or -1
*
* Sets the number of digits to round the value to when
* it changes. See #GtkRange::change-value.
*
* Since: 2.24
*/
void
_gtk_range_set_round_digits (GtkRange *range,
gint round_digits)
gtk_range_set_round_digits (GtkRange *range,
gint round_digits)
{
g_return_if_fail (GTK_IS_RANGE (range));
g_return_if_fail (round_digits >= -1);
range->priv->round_digits = round_digits;
g_object_notify (G_OBJECT (range), "round-digits");
}
/**
* gtk_range_get_round_digits:
* @range: a #GtkRange
*
* Gets the number of digits to round the value to when
* it changes. See #GtkRange::change-value.
*
* Return value: the number of digits to round to
*
* Since: 2.24
*/
gint
gtk_range_get_round_digits (GtkRange *range)
{
g_return_val_if_fail (GTK_IS_RANGE (range), -1);
return range->priv->round_digits;
}
void

7
gtk/gtkrange.h
View File

@ -143,6 +143,9 @@ gboolean gtk_range_get_restrict_to_fill_level (GtkRange *range
void gtk_range_set_fill_level (GtkRange *range,
gdouble fill_level);
gdouble gtk_range_get_fill_level (GtkRange *range);
void gtk_range_set_round_digits (GtkRange *range,
gint round_digits);
gint gtk_range_get_round_digits (GtkRange *range);
/* internal API */
gdouble _gtk_range_get_wheel_delta (GtkRange *range,
@ -152,9 +155,7 @@ void _gtk_range_set_stop_values (GtkRange *range
gdouble *values,
gint n_values);
gint _gtk_range_get_stop_positions (GtkRange *range,
gint **values);
void _gtk_range_set_round_digits (GtkRange *range,
gint round_digits);
gint **values);
void _gtk_range_set_steppers (GtkRange *range,
gboolean has_a,
gboolean has_b,

8
gtk/gtkscale.c
View File

@ -443,7 +443,7 @@ gtk_scale_init (GtkScale *scale)
priv->draw_value = TRUE;
priv->value_pos = GTK_POS_TOP;
priv->digits = 1;
_gtk_range_set_round_digits (range, priv->digits);
gtk_range_set_round_digits (range, priv->digits);
gtk_scale_orientation_notify (range, NULL);
g_signal_connect (scale, "notify::orientation",
@ -613,7 +613,7 @@ gtk_scale_set_digits (GtkScale *scale,
{
priv->digits = digits;
if (priv->draw_value)
_gtk_range_set_round_digits (range, digits);
gtk_range_set_round_digits (range, digits);
_gtk_scale_clear_layout (scale);
gtk_widget_queue_resize (GTK_WIDGET (scale));
@ -662,9 +662,9 @@ gtk_scale_set_draw_value (GtkScale *scale,
{
priv->draw_value = draw_value;
if (draw_value)
_gtk_range_set_round_digits (GTK_RANGE (scale), priv->digits);
gtk_range_set_round_digits (GTK_RANGE (scale), priv->digits);
else
_gtk_range_set_round_digits (GTK_RANGE (scale), -1);
gtk_range_set_round_digits (GTK_RANGE (scale), -1);
_gtk_scale_clear_layout (scale);