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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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "libgimpbase/gimpbase.h"
#include "display-types.h"
#include "config/gimpdisplayconfig.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "core/gimpunit.h"
#include "file/file-utils.h"
#include "file/gimp-file.h"
#include "gimpdisplay.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-title.h"
#include "gimpstatusbar.h"
#include "about.h"
#include "gimp-intl.h"
#define MAX_TITLE_BUF 512
static gboolean gimp_display_shell_update_title_idle (gpointer data);
static gint gimp_display_shell_format_title (GimpDisplayShell *display,
gchar *title,
gint title_len,
const gchar *format);
static gint gimp_display_shell_format_filename (gchar *buf,
gint len,
gint start,
GimpImage *image,
const gchar *filename);
/* public functions */
void
gimp_display_shell_title_init (GimpDisplayShell *shell)
{
}
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 = GIMP_DISPLAY_SHELL (data);
shell->title_idle_id = 0;
if (shell->display->image)
{
GimpDisplayConfig *config = shell->display->config;
gchar title[MAX_TITLE_BUF];
gint len;
/* format the title */
len = gimp_display_shell_format_title (shell, title, sizeof (title),
config->image_title_format);
if (len) /* U+2013 EN DASH */
len += g_strlcpy (title + len, " \342\200\223 ", sizeof (title) - len);
g_strlcpy (title + len, GIMP_ACRONYM, sizeof (title) - len);
gtk_window_set_title (GTK_WINDOW (shell), title);
/* format the statusbar */
gimp_display_shell_format_title (shell, title, sizeof (title),
config->image_status_format);
gimp_statusbar_replace (GIMP_STATUSBAR (shell->statusbar), "title",
NULL, "%s", title);
}
else
{
gtk_window_set_title (GTK_WINDOW (shell), GIMP_NAME);
gimp_statusbar_replace (GIMP_STATUSBAR (shell->statusbar), "title",
NULL, " ");
}
return FALSE;
}
static const gchar *
gimp_display_shell_title_image_type (GimpImage *image)
{
const gchar *name = "";
gimp_enum_get_value (GIMP_TYPE_IMAGE_BASE_TYPE,
gimp_image_base_type (image), NULL, NULL, &name, NULL);
return name;
}
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 gint
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_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), 0);
image = shell->display->image;
gimp = shell->display->gimp;
if (! image)
{
title[0] = '\n';
return 0;
}
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': /* base filename */
{
const gchar *name = gimp_image_get_display_name (image);
i += gimp_display_shell_format_filename (title, title_len, i, image, name);
}
break;
case 'F': /* full filename */
{
gchar *filename;
const gchar *uri = gimp_image_get_uri (image);
filename = file_utils_uri_display_name (uri);
i += gimp_display_shell_format_filename (title, title_len, i, image, 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 */
i += print (title, title_len, i, "%s",
gimp_display_shell_title_image_type (image));
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 (gimp_image_is_dirty (image))
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 (! gimp_image_is_dirty (image))
title[i++] = format[1];
format++;
break;
case 'B': /* dirty flag (long) */
if (gimp_image_is_dirty (image))
i += print (title, title_len, i, "%s", _("(modified)"));
break;
case 'A': /* clean flag (long) */
if (! gimp_image_is_dirty (image))
i += print (title, title_len, i, "%s", _("(clean)"));
break;
case 'm': /* memory used by image */
{
GimpObject *object = GIMP_OBJECT (image);
gchar *str;
str = g_format_size_for_display (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_image_get_n_layers (image));
break;
case 'L': /* number of layers (long) */
{
gint num = gimp_image_get_n_layers (image);
i += print (title, title_len, i,
ngettext ("%d layer", "%d layers", num), num);
}
break;
case 'n': /* active drawable name */
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (drawable)
{
gchar *desc;
desc = gimp_viewable_get_description (GIMP_VIEWABLE (drawable),
NULL);
i += print (title, title_len, i, "%s", desc);
g_free (desc);
}
else
{
i += print (title, title_len, i, "%s", _("(none)"));
}
}
break;
case 'P': /* active drawable PDB id */
{
GimpDrawable *drawable = gimp_image_get_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)
{
gdouble xres;
gdouble yres;
gchar unit_format[8];
gimp_image_get_resolution (image, &xres, &yres);
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
_gimp_unit_get_digits (gimp, shell->unit) + 1);
i += print (title, title_len, i, unit_format,
(gimp_image_get_width (image) *
_gimp_unit_get_factor (gimp, shell->unit) /
xres));
break;
}
/* else fallthru */
case 'w': /* width in pixels */
i += print (title, title_len, i, "%d",
gimp_image_get_width (image));
break;
case 'H': /* height in real-world units */
if (shell->unit != GIMP_UNIT_PIXEL)
{
gdouble xres;
gdouble yres;
gchar unit_format[8];
gimp_image_get_resolution (image, &xres, &yres);
g_snprintf (unit_format, sizeof (unit_format), "%%.%df",
_gimp_unit_get_digits (gimp, shell->unit) + 1);
i += print (title, title_len, i, unit_format,
(gimp_image_get_height (image) *
_gimp_unit_get_factor (gimp, shell->unit) /
yres));
break;
}
/* else fallthru */
case 'h': /* height in pixels */
i += print (title, title_len, i, "%d",
gimp_image_get_height (image));
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';
return i;
}
static gint
gimp_display_shell_format_filename (gchar *buf,
gint len,
gint start,
GimpImage *image,
const gchar *filename)
{
const gchar *source = NULL;
const gchar *name_format = NULL;
const gchar *export_status = NULL;
gchar *format_string = NULL;
gchar *name = NULL;
gboolean is_imported = FALSE;
gint incr = 0;
source = g_object_get_data (G_OBJECT (image),
GIMP_FILE_IMPORT_SOURCE_URI_KEY);
/* Note that as soon as the image is saved, it is not considered
* imported any longer (GIMP_FILE_IMPORT_SOURCE_URI_KEY is set to
* NULL)
*/
is_imported = (source != NULL);
/* Calculate filename and format */
if (! is_imported)
{
name = g_strdup (filename);
name_format = "%s";
}
else
{
gchar *source_no_ext = file_utils_uri_with_new_ext (source, NULL);
name = file_utils_uri_display_basename (source_no_ext);
g_free (source_no_ext);
name_format = "[%s]";
}
/* Calculate filename suffix */
if (! gimp_image_is_export_dirty (image))
{
gboolean is_exported;
is_exported = (g_object_get_data (G_OBJECT (image),
GIMP_FILE_EXPORT_TO_URI_KEY) != NULL);
if (is_exported)
export_status = _(" (exported)");
else if (is_imported)
export_status = _(" (overwritten)");
else
g_warning ("Unexpected code path, Save+export implementation is buggy!");
}
else if (is_imported)
{
export_status = _(" (imported)");
}
/* Merge strings and print the result */
format_string = g_strconcat (name_format, export_status, NULL);
incr = print (buf, len, start, format_string, name);
g_free (format_string);
/* Cleanup */
g_free (name);
return incr;
}
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