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/*
This file is part of GNUnet
(C) 2006 Christian Grothoff (and other contributing authors)
GNUnet 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, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/common/logging.c
* @brief This file contains GUI functions related to logging
* @author Igor Wronsky
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunetgtk_common.h"
#include <GNUnet/gnunet_util_crypto.h>
#include <glib.h>
#include <gmodule.h>
static GtkWidget *infoWindow;
static GtkWidget *infoWindowTextView;
static GladeXML *statusXML;
static void
init ()
{
GtkWidget *button;
if (statusXML != NULL)
return;
statusXML
=
glade_xml_new (GNUNET_GTK_get_glade_filename (), "statusWindow",
PACKAGE_NAME);
infoWindow = glade_xml_get_widget (statusXML, "statusWindow");
infoWindowTextView
= glade_xml_get_widget (statusXML, "messageWindowTextView");
button = glade_xml_get_widget (statusXML, "messageWindowCloseButton");
GNUNET_GTK_connect_glade_with_plugins (statusXML);
g_signal_connect_data (infoWindow,
"delete-event",
G_CALLBACK (>k_widget_hide_on_delete),
NULL, NULL, 0);
g_signal_connect_data (button,
"clicked",
G_CALLBACK (>k_widget_hide_on_delete),
infoWindow, NULL, G_CONNECT_SWAPPED);
}
/**
* Closure for doInfoMessage.
*/
typedef struct
{
int doPopup;
char *note;
} InfoMessage;
/**
* Do not track more than MAX messages
*/
#define MAX_LINES 1000
/**
* Callback for GNUNET_GTK_show_info_message()
*/
static void *
doInfoMessage (void *args)
{
const InfoMessage *info = args;
GtkTextIter iter;
GtkTextBuffer *buffer;
GtkTextIter end;
init ();
if (info->doPopup == GNUNET_YES)
gtk_widget_show (infoWindow);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (infoWindowTextView));
gtk_text_buffer_get_iter_at_offset (buffer, &iter, -1);
gtk_text_buffer_insert (buffer, &iter, info->note, -1);
if (gtk_text_buffer_get_line_count (buffer) >= MAX_LINES)
{
gtk_text_buffer_get_iter_at_line (buffer, &iter, MAX_LINES - 1);
gtk_text_buffer_get_iter_at_line (buffer, &end, MAX_LINES);
gtk_text_buffer_delete (buffer, &iter, &end);
}
return NULL;
}
/**
* Appends a message to the info window
*
* @param doPopup do we open the window, GNUNET_YES or GNUNET_NO
*/
void
GNUNET_GTK_show_info_message (int doPopup, const char *format, ...)
{
va_list args;
InfoMessage info;
va_start (args, format);
info.note = g_strdup_vprintf (format, args);
va_end (args);
info.doPopup = doPopup;
GNUNET_GTK_save_call (&doInfoMessage, &info);
g_free (info.note);
}
static void *
saveAddLogEntry (void *args)
{
static GtkWidget *s = NULL;
static int once = 1;
static guint id;
char *val;
init ();
if (once)
{
once = 0;
s =
glade_xml_get_widget (GNUNET_GTK_get_main_glade_XML (), "statusbar");
id = gtk_statusbar_get_context_id (GTK_STATUSBAR (s), "LOG");
}
else
gtk_statusbar_pop (GTK_STATUSBAR (s), id);
val = GNUNET_strdup ((const char *) args);
if (strstr (val, "\n") != NULL)
strstr (val, "\n")[0] = '\0';
gtk_statusbar_push (GTK_STATUSBAR (s), id, val);
GNUNET_free (val);
return NULL;
}
/**
* Appends a log entry to the info window
*
* @param txt the log entry
*
*/
void
GNUNET_GTK_add_log_entry (const char *txt, ...)
{
va_list args;
gchar *note;
va_start (args, txt);
note = g_strdup_vprintf (txt, args);
va_end (args);
GNUNET_GTK_show_info_message (GNUNET_NO, note);
GNUNET_GTK_save_call (&saveAddLogEntry, (void *) note);
g_free (note);
}
static void
ge_gtk_log_handler (void *ctx,
GNUNET_GE_KIND kind, const char *date, const char *msg)
{
int popUp;
popUp = GNUNET_NO;
if ((kind & (GNUNET_GE_FATAL | GNUNET_GE_ERROR | GNUNET_GE_WARNING)) > 0)
popUp = GNUNET_YES;
GNUNET_GTK_show_info_message (popUp, "%s: %s", date, msg);
}
struct GNUNET_GE_Context *
GNUNET_GTK_create_gtk_logger (GNUNET_GE_KIND mask)
{
struct GNUNET_GE_Context *myLog;
myLog = GNUNET_GE_create_context_callback (mask,
&ge_gtk_log_handler, NULL, NULL,
NULL);
return myLog;
}
void __attribute__ ((destructor)) gnunet_gtk_common_ltdl_fini ()
{
if (statusXML != NULL)
{
gtk_widget_destroy (infoWindow);
infoWindow = NULL;
UNREF (statusXML);
statusXML = NULL;
}
}
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