gimp/app/gui/icon-themes.c

305 lines
8.9 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* icon-themes.c
* Copyright (C) 2015 Benoit Touchette
*
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "gui-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "icon-themes.h"
#include "gimp-intl.h"
static gboolean icons_apply_theme (Gimp *gimp,
const gchar *icon_theme_name);
static void icons_list_icons_foreach (gpointer key,
gpointer value,
gpointer data);
static gint icons_name_compare (const void *p1,
const void *p2);
static void icons_theme_change_notify (GimpGuiConfig *config,
GParamSpec *pspec,
Gimp *gimp);
static GHashTable *icon_themes_hash = NULL;
void
icon_themes_init (Gimp *gimp)
{
GimpGuiConfig *config;
g_return_if_fail (GIMP_IS_GIMP (gimp));
config = GIMP_GUI_CONFIG (gimp->config);
icon_themes_hash = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
g_object_unref);
if (config->icon_theme_path)
{
GList *path;
GList *list;
path = gimp_config_path_expand_to_files (config->icon_theme_path, NULL);
for (list = path; list; list = g_list_next (list))
{
GFile *dir = list->data;
GFileEnumerator *enumerator;
enumerator =
g_file_enumerate_children (dir,
G_FILE_ATTRIBUTE_STANDARD_NAME ","
G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN ","
G_FILE_ATTRIBUTE_STANDARD_TYPE,
G_FILE_QUERY_INFO_NONE,
NULL, NULL);
if (enumerator)
{
GFileInfo *info;
while ((info = g_file_enumerator_next_file (enumerator,
NULL, NULL)))
{
if (! g_file_info_get_attribute_boolean (info, G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN) &&
g_file_info_get_attribute_uint32 (info, G_FILE_ATTRIBUTE_STANDARD_TYPE) == G_FILE_TYPE_DIRECTORY)
{
GFile *file;
GFile *index_theme;
file = g_file_enumerator_get_child (enumerator, info);
/* make sure there is a hicolor/index.theme file */
index_theme = g_file_get_child (file, "index.theme");
if (g_file_query_exists (index_theme, NULL))
{
const gchar *name;
gchar *basename;
name = gimp_file_get_utf8_name (file);
basename = g_path_get_basename (name);
if (strcmp ("hicolor", basename))
{
if (gimp->be_verbose)
g_print ("Adding icon theme '%s' (%s)\n",
basename, name);
g_hash_table_insert (icon_themes_hash, basename,
g_object_ref (file));
}
else
{
g_free (basename);
}
}
g_object_unref (index_theme);
g_object_unref (file);
}
g_object_unref (info);
}
g_object_unref (enumerator);
}
}
g_list_free_full (path, (GDestroyNotify) g_object_unref);
}
g_signal_connect (config, "notify::icon-theme",
G_CALLBACK (icons_theme_change_notify),
gimp);
icons_theme_change_notify (config, NULL, gimp);
}
void
icon_themes_exit (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
if (icon_themes_hash)
{
g_signal_handlers_disconnect_by_func (gimp->config,
icons_theme_change_notify,
gimp);
g_hash_table_destroy (icon_themes_hash);
icon_themes_hash = NULL;
}
}
gchar **
icon_themes_list_themes (Gimp *gimp,
gint *n_icon_themes)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (n_icon_themes != NULL, NULL);
*n_icon_themes = g_hash_table_size (icon_themes_hash);
if (*n_icon_themes > 0)
{
gchar **icon_themes;
gchar **index;
icon_themes = g_new0 (gchar *, *n_icon_themes + 1);
index = icon_themes;
g_hash_table_foreach (icon_themes_hash, icons_list_icons_foreach, &index);
qsort (icon_themes, *n_icon_themes, sizeof (gchar *), icons_name_compare);
return icon_themes;
}
return NULL;
}
GFile *
icon_themes_get_theme_dir (Gimp *gimp,
const gchar *icon_theme_name)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
if (! icon_theme_name)
icon_theme_name = GIMP_CONFIG_DEFAULT_ICON_THEME;
return g_hash_table_lookup (icon_themes_hash, icon_theme_name);
}
gboolean
icon_themes_current_prefer_symbolic (Gimp *gimp)
{
GtkIconTheme *icon_theme;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
icon_theme = gtk_icon_theme_get_default ();
/* If the current icon theme is purely symbolic or purely color, we want to
* override the "prefer-symbolic-icons" property, not only to avoid
* discrepancies, but even more to avoid weird cases where we end up using
* icons from the system icon theme while the chosen theme has the right icon
* (yet simply not in the prefered style). See Issue #9410.
*/
if (gtk_icon_theme_has_icon (icon_theme, GIMP_ICON_WILBER) &&
! gtk_icon_theme_has_icon (icon_theme, GIMP_ICON_WILBER "-symbolic"))
return FALSE;
else if (! gtk_icon_theme_has_icon (icon_theme, GIMP_ICON_WILBER) &&
gtk_icon_theme_has_icon (icon_theme, GIMP_ICON_WILBER "-symbolic"))
return TRUE;
return GIMP_GUI_CONFIG (gimp->config)->prefer_symbolic_icons;
}
/* Private functions */
static gboolean
icons_apply_theme (Gimp *gimp,
const gchar *icon_theme_name)
{
gboolean applied;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
if (! icon_theme_name)
icon_theme_name = GIMP_CONFIG_DEFAULT_ICON_THEME;
if (gimp->be_verbose)
g_print ("Loading icon theme '%s'\n", icon_theme_name);
if (g_getenv ("GIMP_TESTING_ABS_TOP_SRCDIR"))
{
GFile *file;
gchar *path;
path = g_build_filename (g_getenv ("GIMP_TESTING_ABS_TOP_SRCDIR"),
"gimp-data", "icons", icon_theme_name, NULL);
file = g_file_new_for_path (path);
applied = gimp_icons_set_icon_theme (file);
g_object_unref (file);
g_free (path);
}
else
{
applied = gimp_icons_set_icon_theme (icon_themes_get_theme_dir (gimp, icon_theme_name));
}
return applied;
}
static void
icons_list_icons_foreach (gpointer key,
gpointer value,
gpointer data)
{
gchar ***index = data;
**index = g_strdup ((gchar *) key);
(*index)++;
}
static gint
icons_name_compare (const void *p1,
const void *p2)
{
return strcmp (* (char **) p1, * (char **) p2);
}
static void
icons_theme_change_notify (GimpGuiConfig *config,
GParamSpec *pspec,
Gimp *gimp)
{
if (! icons_apply_theme (gimp, config->icon_theme))
{
g_return_if_fail (g_strcmp0 (config->icon_theme, GIMP_CONFIG_DEFAULT_ICON_THEME) != 0);
g_object_set (config, "icon-theme", GIMP_CONFIG_DEFAULT_ICON_THEME, NULL);
}
}