gnome-control-center/panels/info/cc-info-panel.c

506 lines
14 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2010 Red Hat, Inc
* Copyright (C) 2008 William Jon McCann <jmccann@redhat.com>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "cc-info-panel.h"
#include <sys/vfs.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gio/gunixmounts.h>
#include <glibtop/fsusage.h>
#include <glibtop/mountlist.h>
#include <glibtop/mem.h>
#include <glibtop/sysinfo.h>
#define WID(b, w) (GtkWidget *) gtk_builder_get_object (b, w)
G_DEFINE_DYNAMIC_TYPE (CcInfoPanel, cc_info_panel, CC_TYPE_PANEL)
#define INFO_PANEL_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), CC_TYPE_INFO_PANEL, CcInfoPanelPrivate))
struct _CcInfoPanelPrivate
{
GtkBuilder *builder;
char *gnome_version;
char *gnome_distributor;
char *gnome_date;
};
typedef struct
{
char *major;
char *minor;
char *micro;
char *distributor;
char *date;
char **current;
} VersionData;
static void
version_start_element_handler (GMarkupParseContext *ctx,
const char *element_name,
const char **attr_names,
const char **attr_values,
gpointer user_data,
GError **error)
{
VersionData *data = user_data;
if (g_str_equal (element_name, "platform"))
data->current = &data->major;
else if (g_str_equal (element_name, "minor"))
data->current = &data->minor;
else if (g_str_equal (element_name, "micro"))
data->current = &data->micro;
else if (g_str_equal (element_name, "distributor"))
data->current = &data->distributor;
else if (g_str_equal (element_name, "date"))
data->current = &data->date;
else
data->current = NULL;
}
static void
version_end_element_handler (GMarkupParseContext *ctx,
const char *element_name,
gpointer user_data,
GError **error)
{
VersionData *data = user_data;
data->current = NULL;
}
static void
version_text_handler (GMarkupParseContext *ctx,
const char *text,
gsize text_len,
gpointer user_data,
GError **error)
{
VersionData *data = user_data;
if (data->current != NULL)
*data->current = g_strstrip (g_strdup (text));
}
static gboolean
load_gnome_version (char **version,
char **distributor,
char **date)
{
GMarkupParser version_parser = {
version_start_element_handler,
version_end_element_handler,
version_text_handler,
NULL,
NULL,
};
GError *error;
GMarkupParseContext *ctx;
char *contents;
gsize length;
VersionData *data;
gboolean ret;
ret = FALSE;
error = NULL;
if (!g_file_get_contents (DATADIR "/gnome/gnome-version.xml",
&contents,
&length,
&error))
return FALSE;
data = g_new0 (VersionData, 1);
ctx = g_markup_parse_context_new (&version_parser, 0, data, NULL);
if (!g_markup_parse_context_parse (ctx, contents, length, &error))
{
g_warning ("Invalid version file: '%s'", error->message);
}
else
{
if (version != NULL)
*version = g_strdup_printf ("%s.%s.%s", data->major, data->minor, data->micro);
if (distributor != NULL)
*distributor = g_strdup (data->distributor);
if (date != NULL)
*date = g_strdup (data->date);
ret = TRUE;
}
g_markup_parse_context_free (ctx);
g_free (data->major);
g_free (data->minor);
g_free (data->micro);
g_free (data->distributor);
g_free (data->date);
g_free (data);
g_free (contents);
return ret;
};
static void
cc_info_panel_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
cc_info_panel_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
cc_info_panel_dispose (GObject *object)
{
CcInfoPanelPrivate *priv = CC_INFO_PANEL (object)->priv;
if (priv->builder != NULL)
{
g_object_unref (priv->builder);
priv->builder = NULL;
}
G_OBJECT_CLASS (cc_info_panel_parent_class)->dispose (object);
}
static void
cc_info_panel_finalize (GObject *object)
{
CcInfoPanelPrivate *priv = CC_INFO_PANEL (object)->priv;
g_free (priv->gnome_version);
g_free (priv->gnome_date);
g_free (priv->gnome_distributor);
G_OBJECT_CLASS (cc_info_panel_parent_class)->finalize (object);
}
static void
cc_info_panel_class_init (CcInfoPanelClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (CcInfoPanelPrivate));
object_class->get_property = cc_info_panel_get_property;
object_class->set_property = cc_info_panel_set_property;
object_class->dispose = cc_info_panel_dispose;
object_class->finalize = cc_info_panel_finalize;
}
static void
cc_info_panel_class_finalize (CcInfoPanelClass *klass)
{
}
static char *
get_os_type (void)
{
int bits;
if (GLIB_SIZEOF_VOID_P == 8)
bits = 64;
else
bits = 32;
/* translators: This is the type of architecture, for example:
* "64-bit" or "32-bit" */
return g_strdup_printf (_("%d-bit"), bits);
}
#define KILOBYTE_FACTOR (G_GOFFSET_CONSTANT (1000))
#define MEGABYTE_FACTOR (KILOBYTE_FACTOR * KILOBYTE_FACTOR)
#define GIGABYTE_FACTOR (MEGABYTE_FACTOR * KILOBYTE_FACTOR)
#define TERABYTE_FACTOR (GIGABYTE_FACTOR * KILOBYTE_FACTOR)
#define PETABYTE_FACTOR (TERABYTE_FACTOR * KILOBYTE_FACTOR)
#define EXABYTE_FACTOR (PETABYTE_FACTOR * KILOBYTE_FACTOR)
static char *
format_size_for_display (goffset size)
{
if (size < (goffset) KILOBYTE_FACTOR)
return g_strdup_printf (g_dngettext(NULL, "%u byte", "%u bytes",(guint) size), (guint) size);
else
{
gdouble displayed_size;
if (size < (goffset) MEGABYTE_FACTOR)
{
displayed_size = (gdouble) size / (gdouble) KILOBYTE_FACTOR;
return g_strdup_printf (_("%.1f KB"), displayed_size);
}
else if (size < (goffset) GIGABYTE_FACTOR)
{
displayed_size = (gdouble) size / (gdouble) MEGABYTE_FACTOR;
return g_strdup_printf (_("%.1f MB"), displayed_size);
}
else if (size < (goffset) TERABYTE_FACTOR)
{
displayed_size = (gdouble) size / (gdouble) GIGABYTE_FACTOR;
return g_strdup_printf (_("%.1f GB"), displayed_size);
}
else if (size < (goffset) PETABYTE_FACTOR)
{
displayed_size = (gdouble) size / (gdouble) TERABYTE_FACTOR;
return g_strdup_printf (_("%.1f TB"), displayed_size);
}
else if (size < (goffset) EXABYTE_FACTOR)
{
displayed_size = (gdouble) size / (gdouble) PETABYTE_FACTOR;
return g_strdup_printf (_("%.1f PB"), displayed_size);
}
else
{
displayed_size = (gdouble) size / (gdouble) EXABYTE_FACTOR;
return g_strdup_printf (_("%.1f EB"), displayed_size);
}
}
}
static char *
get_primary_disc_info (void)
{
guint64 total_bytes;
GList *points;
GList *p;
total_bytes = 0;
points = g_unix_mount_points_get (NULL);
for (p = points; p != NULL; p = p->next)
{
GUnixMountEntry *mount = p->data;
const char *mount_path;
struct statfs buf;
mount_path = g_unix_mount_get_mount_path (mount);
if (g_str_has_prefix (mount_path, "/media/")
|| g_str_has_prefix (mount_path, g_get_home_dir ()))
{
g_free (mount);
continue;
}
if (statfs (mount_path, &buf) < 0)
{
g_warning ("Unable to stat / filesystem: %s", g_strerror (errno));
g_free (mount);
continue;
}
else
{
total_bytes += (guint64) buf.f_blocks * buf.f_bsize;
}
g_free (mount);
}
g_list_free (points);
return format_size_for_display (total_bytes);
}
static char *
remove_duplicate_whitespace (const char *old)
{
char *new;
GRegex *re;
GError *error;
error = NULL;
re = g_regex_new ("[ \t\n\r]+", G_REGEX_MULTILINE, 0, &error);
if (re == NULL)
{
g_warning ("Error building regex: %s", error->message);
g_error_free (error);
return g_strdup (old);
}
new = g_regex_replace (re,
old,
-1,
0,
" ",
0,
&error);
g_regex_unref (re);
if (new == NULL)
{
g_warning ("Error replacing string: %s", error->message);
g_error_free (error);
return g_strdup (old);
}
return new;
}
static char *
get_cpu_info (const glibtop_sysinfo *info)
{
GHashTable *counts;
GString *cpu;
GHashTableIter iter;
gpointer key, value;
int i;
int j;
counts = g_hash_table_new (g_str_hash, g_str_equal);
/* count duplicates */
for (i = 0; i != info->ncpu; ++i)
{
const char * const keys[] = { "model name", "cpu" };
char *model;
int *count;
model = NULL;
for (j = 0; model == NULL && j != G_N_ELEMENTS (keys); ++j)
{
model = g_hash_table_lookup (info->cpuinfo[i].values,
keys[j]);
}
if (model == NULL)
model = _("Unknown model");
count = g_hash_table_lookup (counts, model);
if (count == NULL)
g_hash_table_insert (counts, model, GINT_TO_POINTER (1));
else
g_hash_table_replace (counts, model, GINT_TO_POINTER (GPOINTER_TO_INT (count) + 1));
}
cpu = g_string_new (NULL);
g_hash_table_iter_init (&iter, counts);
while (g_hash_table_iter_next (&iter, &key, &value))
{
char *stripped;
int count;
count = GPOINTER_TO_INT (value);
stripped = remove_duplicate_whitespace ((const char *)key);
if (count > 1)
g_string_append_printf (cpu, "%s \303\227 %d ", stripped, count);
else
g_string_append_printf (cpu, "%s ", stripped);
g_free (stripped);
}
g_hash_table_destroy (counts);
return g_string_free (cpu, FALSE);
}
static void
cc_info_panel_init (CcInfoPanel *self)
{
GError *error;
GtkWidget *widget;
gboolean res;
glibtop_mem mem;
const glibtop_sysinfo *info;
char *text;
self->priv = INFO_PANEL_PRIVATE (self);
self->priv->builder = gtk_builder_new ();
error = NULL;
gtk_builder_add_from_file (self->priv->builder,
GNOMECC_UI_DIR "/info.ui",
&error);
if (error != NULL)
{
g_warning ("Could not load interface file: %s", error->message);
g_error_free (error);
return;
}
res = load_gnome_version (&self->priv->gnome_version,
&self->priv->gnome_distributor,
&self->priv->gnome_date);
if (res)
{
widget = WID (self->priv->builder, "version_label");
text = g_strdup_printf ("Version %s", self->priv->gnome_version);
gtk_label_set_text (GTK_LABEL (widget), text);
g_free (text);
}
glibtop_get_mem (&mem);
text = g_format_size_for_display (mem.total);
widget = WID (self->priv->builder, "memory_label");
gtk_label_set_text (GTK_LABEL (widget), text ? text : "");
g_free (text);
info = glibtop_get_sysinfo ();
widget = WID (self->priv->builder, "processor_label");
text = get_cpu_info (info);
gtk_label_set_text (GTK_LABEL (widget), text ? text : "");
g_free (text);
widget = WID (self->priv->builder, "os_type_label");
text = get_os_type ();
gtk_label_set_text (GTK_LABEL (widget), text ? text : "");
g_free (text);
widget = WID (self->priv->builder, "disk_label");
text = get_primary_disc_info ();
gtk_label_set_text (GTK_LABEL (widget), text ? text : "");
g_free (text);
widget = WID (self->priv->builder, "info_vbox");
gtk_widget_reparent (widget, (GtkWidget *) self);
}
void
cc_info_panel_register (GIOModule *module)
{
cc_info_panel_register_type (G_TYPE_MODULE (module));
g_io_extension_point_implement (CC_SHELL_PANEL_EXTENSION_POINT,
CC_TYPE_INFO_PANEL,
"info", 0);
}