gimp/app/gui/themes.c

315 lines
7.6 KiB
C

/* 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 <errno.h>
#include <stdarg.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "gui-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "themes.h"
#include "gimp-intl.h"
/* local function prototypes */
static void themes_directories_foreach (const GimpDatafileData *file_data,
gpointer user_data);
static void themes_list_themes_foreach (gpointer key,
gpointer value,
gpointer data);
static void themes_theme_change_notify (GimpGuiConfig *config,
GParamSpec *pspec,
Gimp *gimp);
/* private variables */
static GHashTable *themes_hash = NULL;
/* public functions */
void
themes_init (Gimp *gimp)
{
GimpGuiConfig *config;
gchar *themerc;
g_return_if_fail (GIMP_IS_GIMP (gimp));
config = GIMP_GUI_CONFIG (gimp->config);
themes_hash = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
g_free);
if (config->theme_path)
{
gchar *path;
path = gimp_config_path_expand (config->theme_path, TRUE, NULL);
gimp_datafiles_read_directories (path,
G_FILE_TEST_IS_DIR,
themes_directories_foreach,
gimp);
g_free (path);
}
themes_apply_theme (gimp, config->theme);
themerc = gimp_personal_rc_file ("themerc");
gtk_rc_parse (themerc);
g_free (themerc);
g_signal_connect (config, "notify::theme",
G_CALLBACK (themes_theme_change_notify),
gimp);
}
void
themes_exit (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (themes_hash)
{
g_signal_handlers_disconnect_by_func (gimp->config,
themes_theme_change_notify,
gimp);
g_hash_table_destroy (themes_hash);
themes_hash = NULL;
}
}
gchar **
themes_list_themes (Gimp *gimp,
gint *n_themes)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (n_themes != NULL, NULL);
*n_themes = g_hash_table_size (themes_hash);
if (*n_themes > 0)
{
gchar **themes;
gchar **index;
themes = g_new0 (gchar *, *n_themes + 1);
index = themes;
g_hash_table_foreach (themes_hash, themes_list_themes_foreach, &index);
return themes;
}
return NULL;
}
const gchar *
themes_get_theme_dir (Gimp *gimp,
const gchar *theme_name)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
if (! theme_name)
theme_name = "Default";
return g_hash_table_lookup (themes_hash, theme_name);
}
gchar *
themes_get_theme_file (Gimp *gimp,
const gchar *first_component,
...)
{
GimpGuiConfig *gui_config;
gchar *file;
gchar *component;
gchar *path;
va_list args;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (first_component != NULL, NULL);
file = g_strdup (first_component);
va_start (args, first_component);
while ((component = va_arg (args, gchar *)))
{
gchar *tmp;
tmp = g_build_filename (file, component, NULL);
g_free (file);
file = tmp;
}
va_end (args);
gui_config = GIMP_GUI_CONFIG (gimp->config);
path = g_build_filename (themes_get_theme_dir (gimp, gui_config->theme),
file, NULL);
if (! g_file_test (path, G_FILE_TEST_EXISTS))
{
g_free (path);
path = g_build_filename (themes_get_theme_dir (gimp, NULL),
file, NULL);
}
g_free (file);
return path;
}
void
themes_apply_theme (Gimp *gimp,
const gchar *theme_name)
{
const gchar *theme_dir;
gchar *gtkrc_theme;
gchar *gtkrc_user;
gchar *themerc;
FILE *file;
g_return_if_fail (GIMP_IS_GIMP (gimp));
theme_dir = themes_get_theme_dir (gimp, theme_name);
if (theme_dir)
{
gtkrc_theme = g_build_filename (theme_dir, "gtkrc", NULL);
}
else
{
/* get the hardcoded default theme gtkrc */
gtkrc_theme = g_strdup (gimp_gtkrc ());
}
gtkrc_user = gimp_personal_rc_file ("gtkrc");
themerc = gimp_personal_rc_file ("themerc");
if (gimp->be_verbose)
g_print ("Writing '%s'\n",
gimp_filename_to_utf8 (themerc));
file = g_fopen (themerc, "w");
if (! file)
{
gimp_message (gimp, NULL, GIMP_MESSAGE_ERROR,
_("Could not open '%s' for writing: %s"),
gimp_filename_to_utf8 (themerc), g_strerror (errno));
goto cleanup;
}
{
gchar *esc_gtkrc_theme = g_strescape (gtkrc_theme, NULL);
gchar *esc_gtkrc_user = g_strescape (gtkrc_user, NULL);
fprintf (file,
"# GIMP themerc\n"
"#\n"
"# This file is written on GIMP startup and on every theme change.\n"
"# It is NOT supposed to be edited manually. Edit your personal\n"
"# gtkrc file instead (%s).\n"
"\n"
"include \"%s\"\n"
"include \"%s\"\n"
"\n"
"# end of themerc\n",
gtkrc_user,
esc_gtkrc_theme,
esc_gtkrc_user);
g_free (esc_gtkrc_theme);
g_free (esc_gtkrc_user);
}
fclose (file);
cleanup:
g_free (gtkrc_theme);
g_free (gtkrc_user);
g_free (themerc);
}
/* private functions */
static void
themes_directories_foreach (const GimpDatafileData *file_data,
gpointer user_data)
{
Gimp *gimp = GIMP (user_data);
if (gimp->be_verbose)
g_print ("Adding theme '%s' (%s)\n",
gimp_filename_to_utf8 (file_data->basename),
gimp_filename_to_utf8 (file_data->filename));
g_hash_table_insert (themes_hash,
g_strdup (file_data->basename),
g_strdup (file_data->filename));
}
static void
themes_list_themes_foreach (gpointer key,
gpointer value,
gpointer data)
{
gchar ***index = data;
**index = g_strdup ((gchar *) key);
(*index)++;
}
static void
themes_theme_change_notify (GimpGuiConfig *config,
GParamSpec *pspec,
Gimp *gimp)
{
themes_apply_theme (gimp, config->theme);
gtk_rc_reparse_all ();
}