gimp-log.h 3.39 KB
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/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 3 of the License, or
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 * (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
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */

#ifndef __GIMP_LOG_H__
#define __GIMP_LOG_H__


typedef enum
{
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  GIMP_LOG_TOOL_EVENTS        = 1 << 0,
  GIMP_LOG_TOOL_FOCUS         = 1 << 1,
  GIMP_LOG_DND                = 1 << 2,
  GIMP_LOG_HELP               = 1 << 3,
  GIMP_LOG_DIALOG_FACTORY     = 1 << 4,
  GIMP_LOG_MENUS              = 1 << 5,
  GIMP_LOG_SAVE_DIALOG        = 1 << 6,
  GIMP_LOG_IMAGE_SCALE        = 1 << 7,
  GIMP_LOG_SHADOW_TILES       = 1 << 8,
  GIMP_LOG_SCALE              = 1 << 9,
  GIMP_LOG_WM                 = 1 << 10,
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  GIMP_LOG_FLOATING_SELECTION = 1 << 11,
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  GIMP_LOG_SHM                = 1 << 12,
  GIMP_LOG_TEXT_EDITING       = 1 << 13
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} GimpLogFlags;


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extern GimpLogFlags gimp_log_flags;


void   gimp_log_init (void);
void   gimp_log      (const gchar *function,
                      gint         line,
                      const gchar *domain,
                      const gchar *format,
                      ...) G_GNUC_PRINTF (4, 5);
void   gimp_logv     (const gchar *function,
                      gint         line,
                      const gchar *domain,
                      const gchar *format,
                      va_list      args);


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#ifdef G_HAVE_ISO_VARARGS

#define GIMP_LOG(type, ...) \
        G_STMT_START { \
        if (gimp_log_flags & GIMP_LOG_##type) \
          gimp_log (G_STRFUNC, __LINE__, #type, __VA_ARGS__); \
        } G_STMT_END

#elif defined(G_HAVE_GNUC_VARARGS)

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#define GIMP_LOG(type, format...) \
        G_STMT_START { \
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        if (gimp_log_flags & GIMP_LOG_##type) \
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          gimp_log (G_STRFUNC, __LINE__, #type, format); \
        } G_STMT_END

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#else /* no varargs macros */

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/* need to expand all the short forms
 * to make them known constants at compile time
 */
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#define TOOL_EVENTS        GIMP_LOG_TOOL_EVENTS
#define TOOL_FOCUS         GIMP_LOG_TOOL_FOCUS
#define DND                GIMP_LOG_DND
#define HELP               GIMP_LOG_HELP
#define DIALOG_FACTORY     GIMP_LOG_DIALOG_FACTORY
#define MENUS              GIMP_LOG_MENUS
#define SAVE_DIALOG        GIMP_LOG_SAVE_DIALOG
#define IMAGE_SCALE        GIMP_LOG_IMAGE_SCALE
#define SHADOW_TILES       GIMP_LOG_SHADOW_TILES
#define SCALE              GIMP_LOG_SCALE
#define WM                 GIMP_LOG_WM
#define FLOATING_SELECTION GIMP_LOG_FLOATING_SELECTION
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#define SHM                GIMP_LOG_SHM
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#define TEXT_EDITING       GIMP_LOG_TEXT_EDITING
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#if 0 /* last resort */
#  define GIMP_LOG /* nothing => no varargs, no log */
#endif

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static void
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GIMP_LOG (GimpLogFlags flags,
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          const gchar *format,
          ...)
{
  va_list args;
  va_start (args, format);
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  if (gimp_log_flags & flags)
    gimp_logv ("", 0, "", format, args);
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  va_end (args);
}

#endif  /* !__GNUC__ */

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#endif /* __GIMP_LOG_H__ */