mutter/src/util.c

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/* Metacity utilities */
/*
* Copyright (C) 2001 Havoc Pennington
*
* 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 "util.h"
#include "main.h"
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#include "display.h"
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#include <stdio.h>
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#include <stdlib.h>
#include <unistd.h>
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static gboolean is_verbose = FALSE;
static gboolean is_debugging = FALSE;
static gboolean is_syncing = FALSE;
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static int no_prefix = 0;
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static FILE* logfile = NULL;
static void
ensure_logfile (void)
{
if (logfile == NULL)
{
const char *dir;
char *str;
dir = g_get_home_dir ();
str = g_strconcat (dir, "/", "metacity.log", NULL);
/* we want to replace not truncate any old logfile */
unlink (str);
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logfile = fopen (str, "w");
if (logfile == NULL)
meta_warning ("Failed to open log file %s\n", str);
else
meta_verbose ("Opened log file %s\n", str);
g_free (str);
}
}
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gboolean
meta_is_verbose (void)
{
return is_verbose;
}
void
meta_set_verbose (gboolean setting)
{
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if (setting)
ensure_logfile ();
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is_verbose = setting;
}
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gboolean
meta_is_debugging (void)
{
return is_debugging;
}
void
meta_set_debugging (gboolean setting)
{
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if (setting)
ensure_logfile ();
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is_debugging = setting;
}
gboolean
meta_is_syncing (void)
{
return is_syncing;
}
void
meta_set_syncing (gboolean setting)
{
if (setting != is_syncing)
{
GSList *tmp;
is_syncing = setting;
tmp = meta_displays_list ();
while (tmp != NULL)
{
MetaDisplay *display = tmp->data;
XSynchronize (display->xdisplay, is_syncing);
tmp = tmp->next;
}
}
}
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void
meta_debug_spew (const char *format, ...)
{
va_list args;
gchar *str;
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FILE *out;
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g_return_if_fail (format != NULL);
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if (!is_debugging)
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return;
va_start (args, format);
str = g_strdup_vprintf (format, args);
va_end (args);
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out = logfile ? logfile : stderr;
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if (no_prefix == 0)
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fputs ("Window manager: ", out);
fputs (str, out);
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fflush (out);
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g_free (str);
}
void
meta_verbose (const char *format, ...)
{
va_list args;
gchar *str;
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FILE *out;
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g_return_if_fail (format != NULL);
if (!is_verbose)
return;
va_start (args, format);
str = g_strdup_vprintf (format, args);
va_end (args);
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out = logfile ? logfile : stderr;
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if (no_prefix == 0)
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fputs ("Window manager: ", out);
fputs (str, out);
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fflush (out);
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g_free (str);
}
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void
meta_bug (const char *format, ...)
{
va_list args;
gchar *str;
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FILE *out;
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g_return_if_fail (format != NULL);
va_start (args, format);
str = g_strdup_vprintf (format, args);
va_end (args);
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out = logfile ? logfile : stderr;
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if (no_prefix == 0)
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fputs ("Bug in window manager: ", out);
fputs (str, out);
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fflush (out);
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g_free (str);
/* stop us in a debugger */
abort ();
}
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void
meta_warning (const char *format, ...)
{
va_list args;
gchar *str;
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FILE *out;
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g_return_if_fail (format != NULL);
va_start (args, format);
str = g_strdup_vprintf (format, args);
va_end (args);
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out = logfile ? logfile : stderr;
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if (no_prefix == 0)
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fputs ("Window manager: ", out);
fputs (str, out);
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g_free (str);
}
void
meta_fatal (const char *format, ...)
{
va_list args;
gchar *str;
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FILE *out;
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g_return_if_fail (format != NULL);
va_start (args, format);
str = g_strdup_vprintf (format, args);
va_end (args);
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out = logfile ? logfile : stderr;
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if (no_prefix == 0)
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fputs ("Window manager: ", out);
fputs (str, out);
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fflush (out);
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g_free (str);
meta_exit (META_EXIT_ERROR);
}
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void
meta_push_no_msg_prefix (void)
{
++no_prefix;
}
void
meta_pop_no_msg_prefix (void)
{
g_return_if_fail (no_prefix > 0);
--no_prefix;
}