static void
xfce_panel_image_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (widget)->priv;
gtk_widget_set_allocation (widget, allocation);
/* check if the available size changed */
if ((priv->pixbuf != NULL || priv->source != NULL)
&& allocation->width > 0
&& allocation->height > 0
&& (allocation->width != priv->width
|| allocation->height != priv->height))
{
/* store the new size */
priv->width = allocation->width;
priv->height = allocation->height;
/* free cache */
xfce_panel_image_unref_null (priv->cache);
if (priv->pixbuf == NULL)
{
/* delay icon loading */
priv->idle_load_id = gdk_threads_add_idle_full (G_PRIORITY_DEFAULT_IDLE, xfce_panel_image_load,
widget, xfce_panel_image_load_destroy);
}
else
{
/* directly render pixbufs */
xfce_panel_image_load (widget);
}
}
}
/**
* xfce_panel_image_clear:
* @image : an #XfcePanelImage.
*
* Resets the image to be empty.
*
* Since: 4.8
**/
void
xfce_panel_image_clear (XfcePanelImage *image)
{
XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (image)->priv;
g_return_if_fail (XFCE_IS_PANEL_IMAGE (image));
if (priv->idle_load_id != 0)
g_source_remove (priv->idle_load_id);
if (priv->source != NULL)
{
g_free (priv->source);
priv->source = NULL;
}
xfce_panel_image_unref_null (priv->pixbuf);
xfce_panel_image_unref_null (priv->cache);
/* reset values */
priv->width = -1;
priv->height = -1;
}
