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status-bar.c

/*
 * status-bar.c - Widget encapsulating the status bar
 *
 * Copyright (C) 2004-2006 xchat-gnome team
 *
 * 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 <config.h>
#include "status-bar.h"

static void status_bar_class_init (StatusBarClass *klass);
static void status_bar_init       (StatusBar      *bar);
static void status_bar_finalize   (GObject        *object);
static void status_bar_update     (StatusBar      *bar);

static GtkStatusbarClass *parent_class;
G_DEFINE_TYPE (StatusBar, status_bar, GTK_TYPE_STATUSBAR);

struct _StatusBarPriv
{
      GHashTable     *lags;
      GHashTable     *queues;

      struct server  *current;
      guint           context;
};

static void
status_bar_class_init (StatusBarClass *klass)
{
      GObjectClass *gobject_class;

      parent_class = g_type_class_peek_parent (klass);

      gobject_class = G_OBJECT_CLASS (klass);
      gobject_class->finalize = status_bar_finalize;
}

static void
status_bar_init (StatusBar *bar)
{
      bar->priv = g_new0 (StatusBarPriv, 1);
      bar->priv->lags   = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
      bar->priv->queues = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);

      bar->priv->context = gtk_statusbar_get_context_id (GTK_STATUSBAR (bar), "context");

      gtk_widget_show (GTK_WIDGET (bar));
}

static void
status_bar_finalize (GObject *object)
{
      StatusBar *bar;

      bar = STATUS_BAR (object);

      g_hash_table_destroy (bar->priv->lags);
      g_hash_table_destroy (bar->priv->queues);
      g_free (bar->priv);

      if (G_OBJECT_CLASS (parent_class)->finalize)
            G_OBJECT_CLASS (parent_class)->finalize (object);
}

GtkWidget *
status_bar_new (void)
{
      return GTK_WIDGET (g_object_new (status_bar_get_type (), NULL));
}

void
status_bar_set_lag (StatusBar *bar, struct server *sess, float seconds, gboolean sent)
{
      if (seconds == 0.0f) {
            g_hash_table_remove (bar->priv->lags, sess);
      } else {
            gchar *lag = g_strdup_printf (_("%s%.1fs lag"), sent ? "+" : "", seconds);
            g_hash_table_insert (bar->priv->lags, sess, lag);
      }

      if (bar->priv->current == sess)
            status_bar_update (bar);
}

void
status_bar_set_queue (StatusBar *bar, struct server *sess, int bytes)
{
      if (bytes == 0) {
            g_hash_table_remove (bar->priv->queues, sess);
      } else {
            gchar *queue = g_strdup_printf (_("%d bytes buffered"), bytes);
            g_hash_table_insert (bar->priv->queues, sess, queue);
      }

      if (bar->priv->current == sess)
            status_bar_update (bar);
}

void
status_bar_set_current (StatusBar *bar, struct server *sess)
{
      if (bar->priv->current == sess)
            return;

      bar->priv->current = sess;
      status_bar_update (bar);
}

void
status_bar_remove_server (StatusBar *bar, struct server *sess)
{
      if (bar->priv->current == sess)
            status_bar_set_current (bar, NULL);

      g_hash_table_remove (bar->priv->lags,   sess);
      g_hash_table_remove (bar->priv->queues, sess);
}

static void
status_bar_update (StatusBar *bar)
{
      gchar *lag, *queue, *text;

      if (bar->priv->current == NULL) {
            gtk_statusbar_pop  (GTK_STATUSBAR (bar), bar->priv->context);
            return;
      }

      lag   = g_hash_table_lookup (bar->priv->lags,   bar->priv->current);
      queue = g_hash_table_lookup (bar->priv->queues, bar->priv->current);

      if (lag && queue)
            text = g_strdup_printf ("%s, %s", lag, queue);
      else if (lag)
            text = g_strdup (lag);
      else if (queue)
            text = g_strdup (queue);
      else
            text = g_strdup ("");

      gtk_statusbar_pop  (GTK_STATUSBAR (bar), bar->priv->context);
      gtk_statusbar_push (GTK_STATUSBAR (bar), bar->priv->context, text);

      g_free (text);
}

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