static void
st_scroll_bar_style_changed (StWidget *widget)
{
StScrollBarPrivate *priv = ST_SCROLL_BAR (widget)->priv;
st_widget_style_changed (ST_WIDGET (priv->trough));
st_widget_style_changed (ST_WIDGET (priv->handle));
ST_WIDGET_CLASS (st_scroll_bar_parent_class)->style_changed (widget);
}
static void
st_scroll_view_style_changed (StWidget *widget)
{
StScrollView *self = ST_SCROLL_VIEW (widget);
StScrollViewPrivate *priv = self->priv;
StThemeNode *theme_node = st_widget_get_theme_node (widget);
gdouble fade_offset = st_theme_node_get_length (theme_node, "-st-vfade-offset");
st_scroll_view_update_vfade_effect (self, fade_offset);
st_widget_style_changed (ST_WIDGET (priv->hscroll));
st_widget_style_changed (ST_WIDGET (priv->vscroll));
ST_WIDGET_CLASS (st_scroll_view_parent_class)->style_changed (widget);
}
static void
st_widget_name_notify (StWidget *widget,
GParamSpec *pspec,
gpointer data)
{
st_widget_style_changed (widget);
}
static void
notify_children_of_style_change_foreach (ClutterActor *actor,
gpointer user_data)
{
if (ST_IS_WIDGET (actor))
st_widget_style_changed (ST_WIDGET (actor));
else if (CLUTTER_IS_CONTAINER (actor))
notify_children_of_style_change ((ClutterContainer *)actor);
}
/**
* st_widget_set_style_class_name:
* @actor: a #StWidget
* @style_class_list: (allow-none): a new style class list string
*
* Set the style class name list. @style_class_list can either be
* %NULL, for no classes, or a space-separated list of style class
* names. See also st_widget_add_style_class_name() and
* st_widget_remove_style_class_name().
*/
void
st_widget_set_style_class_name (StWidget *actor,
const gchar *style_class_list)
{
g_return_if_fail (ST_IS_WIDGET (actor));
if (set_class_list (&actor->priv->style_class, style_class_list))
{
st_widget_style_changed (actor);
g_object_notify (G_OBJECT (actor), "style-class");
}
}
/**
* st_widget_remove_style_pseudo_class:
* @actor: a #StWidget
* @pseudo_class: a pseudo class string
*
* Removes @pseudo_class from @actor's pseudo class, if it is present.
*/
void
st_widget_remove_style_pseudo_class (StWidget *actor,
const gchar *pseudo_class)
{
g_return_if_fail (ST_IS_WIDGET (actor));
g_return_if_fail (pseudo_class != NULL);
if (remove_class_name (&actor->priv->pseudo_class, pseudo_class))
{
st_widget_style_changed (actor);
g_object_notify (G_OBJECT (actor), "pseudo-class");
}
}
static void
st_widget_parent_set (ClutterActor *widget,
ClutterActor *old_parent)
{
ClutterActorClass *parent_class;
ClutterActor *new_parent;
parent_class = CLUTTER_ACTOR_CLASS (st_widget_parent_class);
if (parent_class->parent_set)
parent_class->parent_set (widget, old_parent);
new_parent = clutter_actor_get_parent (widget);
/* don't send the style changed signal if we no longer have a parent actor */
if (new_parent)
st_widget_style_changed (ST_WIDGET (widget));
}
/**
* st_widget_set_style:
* @actor: a #StWidget
* @style_class: (allow-none): a inline style string, or %NULL
*
* Set the inline style string for this widget. The inline style string is an
* optional ';'-separated list of CSS properties that override the style as
* determined from the stylesheets of the current theme.
*/
void
st_widget_set_style (StWidget *actor,
const gchar *style)
{
StWidgetPrivate *priv = actor->priv;
g_return_if_fail (ST_IS_WIDGET (actor));
priv = actor->priv;
if (g_strcmp0 (style, priv->inline_style))
{
g_free (priv->inline_style);
priv->inline_style = g_strdup (style);
st_widget_style_changed (actor);
g_object_notify (G_OBJECT (actor), "style");
}
}
/**
* st_widget_set_theme:
* @actor: a #StWidget
* @theme: a new style class string
*
* Overrides the theme that would be inherited from the actor's parent
* or the stage with an entirely new theme (set of stylesheets).
*/
void
st_widget_set_theme (StWidget *actor,
StTheme *theme)
{
StWidgetPrivate *priv = actor->priv;
g_return_if_fail (ST_IS_WIDGET (actor));
priv = actor->priv;
if (theme !=priv->theme)
{
if (priv->theme)
g_object_unref (priv->theme);
priv->theme = g_object_ref (priv->theme);
st_widget_style_changed (actor);
g_object_notify (G_OBJECT (actor), "theme");
}
}
/**
* st_button_set_label:
* @button: a #Stbutton
* @text: text to set the label to
*
* Sets the text displayed on the button
*/
void
st_button_set_label (StButton *button,
const gchar *text)
{
StButtonPrivate *priv;
ClutterActor *label;
g_return_if_fail (ST_IS_BUTTON (button));
priv = button->priv;
g_free (priv->text);
if (text)
priv->text = g_strdup (text);
else
priv->text = g_strdup ("");
label = st_bin_get_child (ST_BIN (button));
if (label && CLUTTER_IS_TEXT (label))
{
clutter_text_set_text (CLUTTER_TEXT (label), priv->text);
}
else
{
label = g_object_new (CLUTTER_TYPE_TEXT,
"text", priv->text,
"line-alignment", PANGO_ALIGN_CENTER,
"ellipsize", PANGO_ELLIPSIZE_END,
"use-markup", TRUE,
NULL);
st_bin_set_child (ST_BIN (button), label);
}
/* Fake a style change so that we reset the style properties on the label */
st_widget_style_changed (ST_WIDGET (button));
g_object_notify (G_OBJECT (button), "label");
}
