static gboolean
xfce_panel_image_load (gpointer data)
{
XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (data)->priv;
GdkPixbuf *pixbuf;
GdkScreen *screen;
GtkIconTheme *icon_theme = NULL;
gint dest_w, dest_h;
GDK_THREADS_ENTER ();
dest_w = priv->width;
dest_h = priv->height;
if (G_UNLIKELY (priv->force_icon_sizes
&& dest_w < 32
&& dest_w == dest_h))
{
/* we use some hardcoded values here for convienence,
* above 32 pixels svg icons will kick in */
if (dest_w > 16 && dest_w < 22)
dest_w = 16;
else if (dest_w > 22 && dest_w < 24)
dest_w = 22;
else if (dest_w > 24 && dest_w < 32)
dest_w = 24;
dest_h = dest_w;
}
if (priv->pixbuf != NULL)
{
/* use the pixbuf set by the user */
pixbuf = g_object_ref (G_OBJECT (priv->pixbuf));
if (G_LIKELY (pixbuf != NULL))
{
/* scale the icon to the correct size */
priv->cache = xfce_panel_image_scale_pixbuf (pixbuf, dest_w, dest_h);
g_object_unref (G_OBJECT (pixbuf));
}
}
else
{
screen = gtk_widget_get_screen (GTK_WIDGET (data));
if (G_LIKELY (screen != NULL))
icon_theme = gtk_icon_theme_get_for_screen (screen);
priv->cache = xfce_panel_pixbuf_from_source_at_size (priv->source, icon_theme, dest_w, dest_h);
}
if (G_LIKELY (priv->cache != NULL))
gtk_widget_queue_draw (GTK_WIDGET (data));
GDK_THREADS_LEAVE ();
return FALSE;
}
static gboolean
xfce_panel_image_expose_event (GtkWidget *widget,
GdkEventExpose *event)
{
XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (widget)->priv;
gint source_width, source_height;
gint dest_x, dest_y;
GtkIconSource *source;
GdkPixbuf *rendered = NULL;
GdkPixbuf *pixbuf = priv->cache;
cairo_t *cr;
if (G_LIKELY (pixbuf != NULL))
{
/* get the size of the cache pixbuf */
source_width = gdk_pixbuf_get_width (pixbuf);
source_height = gdk_pixbuf_get_height (pixbuf);
/* position */
dest_x = widget->allocation.x + (priv->width - source_width) / 2;
dest_y = widget->allocation.y + (priv->height - source_height) / 2;
if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE)
{
source = gtk_icon_source_new ();
gtk_icon_source_set_pixbuf (source, pixbuf);
rendered = gtk_style_render_icon (widget->style,
source,
gtk_widget_get_direction (widget),
GTK_WIDGET_STATE (widget),
-1, widget, "xfce-panel-image");
gtk_icon_source_free (source);
if (G_LIKELY (rendered != NULL))
pixbuf = rendered;
}
/* draw the pixbuf */
cr = gdk_cairo_create (gtk_widget_get_window (widget));
if (G_LIKELY (cr != NULL))
{
gdk_cairo_set_source_pixbuf (cr, pixbuf, dest_x, dest_y);
cairo_paint (cr);
cairo_destroy (cr);
}
if (rendered != NULL)
g_object_unref (G_OBJECT (rendered));
}
return FALSE;
}
static gboolean
xfce_panel_image_draw (GtkWidget *widget,
cairo_t *cr)
{
XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (widget)->priv;
gint source_width, source_height;
gint dest_x, dest_y;
GtkIconSource *source;
GdkPixbuf *rendered = NULL;
GdkPixbuf *pixbuf = priv->cache;
GtkStyleContext *context;
if (G_LIKELY (pixbuf != NULL))
{
/* get the size of the cache pixbuf */
source_width = gdk_pixbuf_get_width (pixbuf);
source_height = gdk_pixbuf_get_height (pixbuf);
/* position */
dest_x = (priv->width - source_width) / 2;
dest_y = (priv->height - source_height) / 2;
context = gtk_widget_get_style_context (widget);
if (!gtk_widget_is_sensitive (widget))
{
source = gtk_icon_source_new ();
gtk_icon_source_set_pixbuf (source, pixbuf);
rendered = gtk_render_icon_pixbuf (context, source, -1);
gtk_icon_source_free (source);
if (G_LIKELY (rendered != NULL))
pixbuf = rendered;
}
/* draw the icon */
gtk_render_icon (context, cr, pixbuf, dest_x, dest_y);
if (rendered != NULL)
g_object_unref (G_OBJECT (rendered));
}
return FALSE;
}
void
exitbutton_save(XfcePanelPlugin *plugin, ExitbuttonPlugin *exitbutton) {
if (exo_str_is_empty(exitbutton->icon_name))
{
return;
}
// Update the icon
xfce_panel_image_set_from_source(XFCE_PANEL_IMAGE(exitbutton->icon), exitbutton->icon_name);
/********************************************************
* Save the properties
********************************************************/
XfceRc *rc;
gchar *file;
/* get the config file location */
file = xfce_panel_plugin_save_location(plugin, TRUE);
if (G_UNLIKELY (file == NULL))
{
DBG("Failed to open config file");
return;
}
/* open the config file, read/write */
rc = xfce_rc_simple_open(file, FALSE);
g_free(file);
if (G_LIKELY (rc != NULL))
{
/* save the settings */
DBG(".");
if (exitbutton->icon_name)
xfce_rc_write_entry(rc, "icon_name", exitbutton->icon_name);
/* close the rc file */
xfce_rc_close(rc);
}
}
static void
xfce_panel_image_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (widget)->priv;
if (priv->size > 0)
{
requisition->width = priv->size;
requisition->height = priv->size;
}
else if (priv->pixbuf != NULL)
{
requisition->width = gdk_pixbuf_get_width (priv->pixbuf);
requisition->height = gdk_pixbuf_get_height (priv->pixbuf);
}
else
{
requisition->width = widget->allocation.width;
requisition->height = widget->allocation.height;
}
}
/**
* 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;
}
static void
xfce_panel_image_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
XfcePanelImagePrivate *priv = XFCE_PANEL_IMAGE (widget)->priv;
widget->allocation = *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 = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, xfce_panel_image_load,
widget, xfce_panel_image_load_destroy);
}
else
{
/* directly render pixbufs */
xfce_panel_image_load (widget);
}
}
}
static void
xfce_panel_image_load_destroy (gpointer data)
{
XFCE_PANEL_IMAGE (data)->priv->idle_load_id = 0;
}
