/**
* gtk_shruler_get_position:
* @ruler: a #GtkSHRuler
*
* Return value: the current position of the @ruler widget.
*
* Since: GTK 2.8
**/
gdouble
gtk_shruler_get_position (GtkSHRuler *ruler)
{
g_return_val_if_fail (GTK_IS_SHRULER (ruler), 0.0);
return GTK_SHRULER_GET_PRIVATE (ruler)->position;
}
/**
* gtk_shruler_set_range:
* @ruler: a #GtkSHRuler
* @lower: the lower limit of the ruler
* @upper: the upper limit of the ruler
* @max_size: the maximum size of the ruler used when calculating the space to
* leave for the text
*
* This sets the range of the ruler.
*
* Since: GTK 2.8
*/
void
gtk_shruler_set_range (GtkSHRuler *ruler,
gdouble lower,
gdouble upper,
gdouble max_size)
{
GtkSHRulerPrivate *priv;
g_return_if_fail (GTK_IS_SHRULER (ruler));
priv = GTK_SHRULER_GET_PRIVATE (ruler);
g_object_freeze_notify (G_OBJECT (ruler));
if (priv->lower != lower)
{
priv->lower = lower;
g_object_notify (G_OBJECT (ruler), "lower");
}
if (priv->upper != upper)
{
priv->upper = upper;
g_object_notify (G_OBJECT (ruler), "upper");
}
if (priv->max_size != max_size)
{
priv->max_size = max_size;
g_object_notify (G_OBJECT (ruler), "max-size");
}
g_object_thaw_notify (G_OBJECT (ruler));
gtk_widget_queue_draw (GTK_WIDGET (ruler));
}
/**
* gtk_shruler_get_unit:
* @ruler: a #GtkSHRuler
*
* Return value: the unit currently used in the @ruler widget.
*
* Since: GTK 2.8
**/
GtkCMUnit
gtk_shruler_get_unit (GtkSHRuler *ruler)
{
g_return_val_if_fail (GTK_IS_SHRULER (ruler), 0);
return GTK_SHRULER_GET_PRIVATE (ruler)->unit;
}
gint
gtk_shruler_get_start_pos(GtkSHRuler *ruler)
{
g_return_val_if_fail (GTK_IS_SHRULER (ruler), 0);
return ruler->start_pos;
}
void
gtk_shruler_set_start_pos(GtkSHRuler *ruler, gint pos)
{
g_return_if_fail (GTK_IS_SHRULER (ruler));
ruler->start_pos = pos;
}
/**
* gtk_shruler_set_position:
* @ruler: a #GtkSHRuler
* @position: the position to set the ruler to
*
* This sets the position of the ruler.
*
* Since: GTK 2.8
*/
void
gtk_shruler_set_position (GtkSHRuler *ruler,
gdouble position)
{
GtkSHRulerPrivate *priv;
g_return_if_fail (GTK_IS_SHRULER (ruler));
priv = GTK_SHRULER_GET_PRIVATE (ruler);
if (priv->position != position)
{
priv->position = position;
g_object_notify (G_OBJECT (ruler), "position");
}
}
/**
* gtk_shruler_set_unit:
* @ruler: a #GtkSHRuler
* @unit: the #GtkCMUnit to set the ruler to
*
* This sets the unit of the ruler.
*
* Since: GTK 2.8
*/
void
gtk_shruler_set_unit (GtkSHRuler *ruler,
GtkCMUnit unit)
{
GtkSHRulerPrivate *priv;
g_return_if_fail (GTK_IS_SHRULER (ruler));
priv = GTK_SHRULER_GET_PRIVATE (ruler);
if (priv->unit != unit)
{
priv->unit = unit;
g_object_notify (G_OBJECT (ruler), "unit");
gtk_widget_queue_draw (GTK_WIDGET (ruler));
}
}
/**
* gtk_shruler_get_range:
* @ruler: a #GtkSHRuler
* @lower: location to store lower limit of the ruler, or %NULL
* @upper: location to store upper limit of the ruler, or %NULL
* @max_size: location to store the maximum size of the ruler used when
* calculating the space to leave for the text, or %NULL.
*
* Retrieves values indicating the range and current position of a #GtkSHRuler.
* See gtk_shruler_set_range().
*
* Since: GTK 2.8
**/
void
gtk_shruler_get_range (GtkSHRuler *ruler,
gdouble *lower,
gdouble *upper,
gdouble *max_size)
{
GtkSHRulerPrivate *priv;
g_return_if_fail (GTK_IS_SHRULER (ruler));
priv = GTK_SHRULER_GET_PRIVATE (ruler);
if (lower)
*lower = priv->lower;
if (upper)
*upper = priv->upper;
if (max_size)
*max_size = priv->max_size;
}