gnome-control-center/panels/user-accounts/um-user-image.c
2017-02-13 14:09:09 +01:00

100 lines
2.8 KiB
C

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* (C) Copyright 2015 Red Hat, Inc.
*/
#include "um-user-image.h"
#include <gtk/gtk.h>
#include <act/act.h>
#include "um-utils.h"
struct _UmUserImagePrivate {
ActUser *user;
};
#define UM_USER_IMAGE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), UM_TYPE_USER_IMAGE, UmUserImagePrivate))
G_DEFINE_TYPE_WITH_CODE (UmUserImage, um_user_image, GTK_TYPE_IMAGE, G_ADD_PRIVATE (UmUserImage));
static void
render_image (UmUserImage *image)
{
cairo_surface_t *surface;
gint scale, pixel_size;
pixel_size = gtk_image_get_pixel_size (GTK_IMAGE (image));
scale = gtk_widget_get_scale_factor (GTK_WIDGET (image));
surface = render_user_icon (image->priv->user,
UM_ICON_STYLE_NONE,
pixel_size > 0 ? pixel_size : 48,
scale);
gtk_image_set_from_surface (GTK_IMAGE (image), surface);
cairo_surface_destroy (surface);
}
void
um_user_image_set_user (UmUserImage *image,
ActUser *user)
{
g_clear_object (&image->priv->user);
image->priv->user = g_object_ref (user);
render_image (image);
}
static void
on_scale_factor_changed (GObject *object,
GParamSpec *pspec,
gpointer data)
{
UmUserImage *image = UM_USER_IMAGE (object);
render_image (image);
}
static void
um_user_image_finalize (GObject *object)
{
UmUserImage *image = UM_USER_IMAGE (object);
g_clear_object (&image->priv->user);
G_OBJECT_CLASS (um_user_image_parent_class)->finalize (object);
}
static void
um_user_image_class_init (UmUserImageClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = um_user_image_finalize;
}
static void
um_user_image_init (UmUserImage *image)
{
image->priv = UM_USER_IMAGE_GET_PRIVATE (image);
g_signal_connect (image, "notify::scale-factor", G_CALLBACK (on_scale_factor_changed), NULL);
}
GtkWidget *
um_user_image_new (void)
{
return g_object_new (UM_TYPE_USER_IMAGE, NULL);
}