gimp/app/display/gimpdisplayshell-title.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "libgimpbase/gimpbase.h"
#include "display-types.h"
#include "config/gimpdisplayconfig.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "core/gimpunit.h"
#include "file/file-utils.h"
#include "gimpdisplay.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-title.h"
#include "gimpstatusbar.h"
#include "gimp-intl.h"
#define MAX_TITLE_BUF 256
static gboolean gimp_display_shell_update_title_idle (gpointer data);
static void gimp_display_shell_format_title (GimpDisplayShell *display,
gchar *title,
gint title_len,
const gchar *format);
/* public functions */
void
gimp_display_shell_title_init (GimpDisplayShell *shell)
{
GimpDisplayConfig *config;
gchar title[MAX_TITLE_BUF];
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
config = GIMP_DISPLAY_CONFIG (shell->display->image->gimp->config);
gimp_display_shell_format_title (shell, title, sizeof (title),
config->image_status_format);
gimp_statusbar_push (GIMP_STATUSBAR (shell->statusbar), "title",
"%s", title);
}
void
gimp_display_shell_title_update (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell->title_idle_id)
g_source_remove (shell->title_idle_id);
shell->title_idle_id = g_idle_add (gimp_display_shell_update_title_idle,
shell);
}
/* private functions */
static gboolean
gimp_display_shell_update_title_idle (gpointer data)
{
GimpDisplayShell *shell;
GimpDisplayConfig *config;
gchar title[MAX_TITLE_BUF];
shell = GIMP_DISPLAY_SHELL (data);
config = GIMP_DISPLAY_CONFIG (shell->display->image->gimp->config);
shell->title_idle_id = 0;
/* format the title */
gimp_display_shell_format_title (shell, title, sizeof (title),
config->image_title_format);
gdk_window_set_title (GTK_WIDGET (shell)->window, title);
/* format the statusbar */
if (strcmp (config->image_title_format, config->image_status_format))
{
gimp_display_shell_format_title (shell, title, sizeof (title),
config->image_status_format);
}
gimp_statusbar_replace (GIMP_STATUSBAR (shell->statusbar), "title",
"%s", title);
return FALSE;
}
static gint print (gchar *buf,
gint len,
gint start,
const gchar *fmt,
...) G_GNUC_PRINTF (4, 5);
static gint
print (gchar *buf,
gint len,
gint start,
const gchar *fmt,
...)
{
va_list args;
gint printed;
va_start (args, fmt);
printed = g_vsnprintf (buf + start, len - start, fmt, args);
if (printed < 0)
printed = len - start;
va_end (args);
return printed;
}
static void
gimp_display_shell_format_title (GimpDisplayShell *shell,
gchar *title,
gint title_len,
const gchar *format)
{
Gimp *gimp;
GimpImage *image;
gint num, denom;
gint i = 0;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
image = shell->display->image;
gimp = image->gimp;
gimp_zoom_model_get_fraction (shell->zoom, &num, &denom);
while (i < title_len && *format)
{
switch (*format)
{
case '%':
format++;
switch (*format)
{
case 0:
/* format string ends within %-sequence, print literal '%' */
case '%':
title[i++] = '%';
break;
case 'f': /* pruned filename */
{
const gchar *uri = gimp_image_get_uri (image);
gchar *basename;
basename = file_utils_uri_display_basename (uri);
i += print (title, title_len, i, "%s", basename);
g_free (basename);
}
break;
case 'F': /* full filename */
{
gchar *filename;
const gchar *uri = gimp_image_get_uri (image);
filename = file_utils_uri_display_name (uri);
i += print (title, title_len, i, "%s", filename);
g_free (filename);
}
break;
case 'p': /* PDB id */
i += print (title, title_len, i, "%d", gimp_image_get_ID (image));
break;
case 'i': /* instance */
i += print (title, title_len, i, "%d", shell->display->instance);
break;
case 't': /* type */
{
const gchar *image_type_str = NULL;
gboolean empty = gimp_image_is_empty (image);
switch (gimp_image_base_type (image))
{
case GIMP_RGB:
image_type_str = empty ? _("RGB-empty") : _("RGB");
break;
case GIMP_GRAY:
image_type_str = empty ? _("grayscale-empty") : _("grayscale");
break;
case GIMP_INDEXED:
image_type_str = empty ? _("indexed-empty") : _("indexed");
break;
default:
g_assert_not_reached ();
break;
}
i += print (title, title_len, i, "%s", image_type_str);
}
break;
case 's': /* user source zoom factor */
i += print (title, title_len, i, "%d", denom);
break;
case 'd': /* user destination zoom factor */
i += print (title, title_len, i, "%d", num);
break;
case 'z': /* user zoom factor (percentage) */
{
gdouble scale = gimp_zoom_model_get_factor (shell->zoom);
i += print (title, title_len, i,
scale >= 0.15 ? "%.0f" : "%.2f", 100.0 * scale);
}
break;
case 'D': /* dirty flag */
if (format[1] == 0)
{
/* format string ends within %D-sequence, print literal '%D' */
i += print (title, title_len, i, "%%D");
break;
}
if (image->dirty)
title[i++] = format[1];
format++;
break;
case 'C': /* clean flag */
if (format[1] == 0)
{
/* format string ends within %C-sequence, print literal '%C' */
i += print (title, title_len, i, "%%C");
break;
}
if (! image->dirty)
title[i++] = format[1];
format++;
break;
case 'B': /* dirty flag (long) */
if (image->dirty)
i += print (title, title_len, i, "%s", _("(modified)"));
break;
case 'A': /* clean flag (long) */
if (! image->dirty)
i += print (title, title_len, i, "%s", _("(clean)"));
break;
case 'm': /* memory used by image */
{
GimpObject *object = GIMP_OBJECT (image);
gchar *str;
str = gimp_memsize_to_string (gimp_object_get_memsize (object,
NULL));
i += print (title, title_len, i, "%s", str);
g_free (str);
}
break;
case 'l': /* number of layers */
i += print (title, title_len, i, "%d",
gimp_container_num_children (image->layers));
break;
case 'L': /* number of layers (long) */
{
gint num = gimp_container_num_children (image->layers);
i += print (title, title_len, i,
ngettext ("%d layer", "%d layers", num), num);
}
break;
case 'n': /* active drawable name */
{
GimpDrawable *drawable = gimp_image_active_drawable (image);
if (drawable)
i += print (title, title_len, i, "%s",
gimp_object_get_name (GIMP_OBJECT (drawable)));
else
i += print (title, title_len, i, "%s", _("(none)"));
}
break;
case 'P': /* active drawable PDB id */
{
GimpDrawable *drawable = gimp_image_active_drawable (image);
if (drawable)
i += print (title, title_len, i, "%d",
gimp_item_get_ID (GIMP_ITEM (drawable)));
else
i += print (title, title_len, i, "%s", _("(none)"));
}
break;
case 'W': /* width in real-world units */
if (shell->unit != GIMP_UNIT_PIXEL)
{
gchar unit_format[8];
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
_gimp_unit_get_digits (gimp, shell->unit) + 1);
i += print (title, title_len, i, unit_format,
(image->width *
_gimp_unit_get_factor (gimp, shell->unit) /
image->xresolution));
break;
}
/* else fallthru */
case 'w': /* width in pixels */
i += print (title, title_len, i, "%d", image->width);
break;
case 'H': /* height in real-world units */
if (shell->unit != GIMP_UNIT_PIXEL)
{
gchar unit_format[8];
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
_gimp_unit_get_digits (gimp, shell->unit) + 1);
i += print (title, title_len, i, unit_format,
(image->height *
_gimp_unit_get_factor (gimp, shell->unit) /
image->yresolution));
break;
}
/* else fallthru */
case 'h': /* height in pixels */
i += print (title, title_len, i, "%d", image->height);
break;
case 'u': /* unit symbol */
i += print (title, title_len, i, "%s",
_gimp_unit_get_symbol (gimp, shell->unit));
break;
case 'U': /* unit abbreviation */
i += print (title, title_len, i, "%s",
_gimp_unit_get_abbreviation (gimp, shell->unit));
break;
/* Other cool things to be added:
* %r = xresolution
* %R = yresolution
* %<25> = image's fractal dimension
* %<25> = the answer to everything
*/
default:
/* format string contains unknown %-sequence, print it literally */
i += print (title, title_len, i, "%%%c", *format);
break;
}
break;
default:
title[i++] = *format;
break;
}
format++;
}
title[MIN (i, title_len - 1)] = '\0';
}