static void
gtk_level_bar_get_property (GObject *obj,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GtkLevelBar *self = GTK_LEVEL_BAR (obj);
switch (property_id)
{
case PROP_VALUE:
g_value_set_double (value, gtk_level_bar_get_value (self));
break;
case PROP_MIN_VALUE:
g_value_set_double (value, gtk_level_bar_get_min_value (self));
break;
case PROP_MAX_VALUE:
g_value_set_double (value, gtk_level_bar_get_max_value (self));
break;
case PROP_MODE:
g_value_set_enum (value, gtk_level_bar_get_mode (self));
break;
case PROP_INVERTED:
g_value_set_boolean (value, gtk_level_bar_get_inverted (self));
break;
case PROP_ORIENTATION:
g_value_set_enum (value, self->priv->orientation);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
break;
}
}
static gboolean
increase_level (gpointer data)
{
GtkLevelBar *bar = data;
gdouble value;
value = gtk_level_bar_get_value (bar);
value += 0.1;
if (value >= gtk_level_bar_get_max_value (bar))
value = gtk_level_bar_get_min_value (bar);
gtk_level_bar_set_value (bar, value);
return G_SOURCE_CONTINUE;
}
static void
gtk_level_bar_update_level_style_classes (GtkLevelBar *self)
{
GtkStyleContext *context = gtk_widget_get_style_context (GTK_WIDGET (self));
gdouble value = gtk_level_bar_get_value (self);
gchar *offset_style_class, *value_class = NULL;
GtkLevelBarOffset *offset, *prev_offset;
GList *l;
for (l = self->priv->offsets; l != NULL; l = l->next)
{
offset = l->data;
offset_style_class = g_strconcat ("level-", offset->name, NULL);
gtk_style_context_remove_class (context, offset_style_class);
/* find the right offset for our style class */
if (((l->prev == NULL) && (value <= offset->value)) ||
((l->next == NULL) && (value >= offset->value)))
{
value_class = offset_style_class;
}
else if ((l->next != NULL) && (l->prev != NULL))
{
prev_offset = l->prev->data;
if ((prev_offset->value <= value) && (value < offset->value))
value_class = offset_style_class;
}
else
{
g_free (offset_style_class);
}
}
g_clear_pointer (&self->priv->cur_value_class, g_free);
if (value_class != NULL)
{
gtk_style_context_add_class (context, value_class);
self->priv->cur_value_class = value_class;
}
}
