static void
shell_slicer_get_preferred_height (ClutterActor *self,
gfloat for_width,
gfloat *min_height_p,
gfloat *natural_height_p)
{
ClutterActor *child = st_bin_get_child (ST_BIN (self));
StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (self));
st_theme_node_adjust_for_width (theme_node, &for_width);
if (min_height_p)
*min_height_p = 0;
if (child == NULL)
{
if (natural_height_p)
*natural_height_p = 0;
}
else
{
_st_actor_get_preferred_height (child, for_width, FALSE,
NULL,
natural_height_p);
}
st_theme_node_adjust_preferred_height (theme_node, min_height_p, natural_height_p);
}
static void
st_button_update_label_style (StButton *button)
{
ClutterActor *label;
label = st_bin_get_child (ST_BIN (button));
/* check the child is really a label */
if (!CLUTTER_IS_TEXT (label))
return;
_st_set_text_from_style (CLUTTER_TEXT (label), st_widget_get_theme_node (ST_WIDGET (button)));
}
static void
shell_slicer_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ClutterActor *child;
clutter_actor_set_allocation (self, box, flags);
child = st_bin_get_child (ST_BIN (self));
if (child)
clutter_actor_allocate_preferred_size (child, flags);
}
static void
sagarmatha_slicer_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ClutterActor *child;
/* Chain up directly to ClutterActor to set actor->allocation. We explicitly skip our parent class
* StBin here because we want to override the allocate function. */
CLUTTER_ACTOR_CLASS (g_type_class_peek (clutter_actor_get_type ()))->allocate (self, box, flags);
child = st_bin_get_child (ST_BIN (self));
if (child)
clutter_actor_allocate_preferred_size (child, flags);
}
/**
* 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");
}
static void
shell_slicer_paint_child (ShellSlicer *self)
{
ClutterActor *child;
ClutterActorBox self_box;
ClutterActorBox child_box;
float width, height, child_width, child_height;
StAlign x_align, y_align;
double x_align_factor, y_align_factor;
child = st_bin_get_child (ST_BIN (self));
if (!child)
return;
st_bin_get_alignment (ST_BIN (self), &x_align, &y_align);
_st_get_align_factors (x_align, y_align,
&x_align_factor, &y_align_factor);
clutter_actor_get_allocation_box (CLUTTER_ACTOR (self), &self_box);
clutter_actor_get_allocation_box (child, &child_box);
width = self_box.x2 - self_box.x1;
height = self_box.y2 - self_box.y1;
child_width = child_box.x2 - child_box.x1;
child_height = child_box.y2 - child_box.y1;
cogl_push_matrix ();
cogl_clip_push_rectangle (0, 0, width, height);
cogl_translate ((int)(0.5 + x_align_factor * (width - child_width)),
(int)(0.5 + y_align_factor * (height - child_height)),
0);
clutter_actor_paint (child);
cogl_clip_pop ();
cogl_pop_matrix ();
}
