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0e10dacc87
Without this, when creating the new config folder for the first time (update from 2.10 to 2.99/3.0), if say "Legacy" icon theme was set, it would not show on the first run, though it would show on the second run. Now it shows directly on the first run.
319 lines
9.2 KiB
C
319 lines
9.2 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpicons.c
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* Copyright (C) 2001-2015 Michael Natterer <mitch@gimp.org>
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "gimpicons.h"
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#include "libgimp/libgimp-intl.h"
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/**
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* SECTION: gimpicons
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* @title: GimpIcons
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* @short_description: Prebuilt common menu/toolbar items and
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* corresponding icons
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*
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* GIMP registers a set of menu/toolbar items and corresponding icons
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* in addition to the standard GTK+ stock items. These can be used
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* just like GTK+ stock items. GIMP also overrides a few of the GTK+
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* icons (namely the ones in dialog size).
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*
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* Stock icons may have a RTL variant which gets used for
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* right-to-left locales.
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**/
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#define LIBGIMP_DOMAIN GETTEXT_PACKAGE "-libgimp"
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#define GIMP_TOILET_PAPER "gimp-toilet-paper"
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#define GIMP_DEFAULT_ICON_THEME "Default"
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static GFile *icon_theme_path = NULL;
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static GFile *default_search_path = NULL;
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static void
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gimp_icons_change_icon_theme (GFile *new_search_path)
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{
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GFile *old_search_path = g_file_get_parent (icon_theme_path);
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if (! default_search_path)
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default_search_path = gimp_data_directory_file ("icons", NULL);
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if (! g_file_equal (new_search_path, old_search_path))
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{
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GtkIconTheme *icon_theme = gtk_icon_theme_get_default ();
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if (g_file_equal (old_search_path, default_search_path))
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{
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/* if the old icon theme is in the default search path,
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* simply prepend the new theme's path
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*/
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gchar *path_str = g_file_get_path (new_search_path);
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gtk_icon_theme_prepend_search_path (icon_theme, path_str);
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g_free (path_str);
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}
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else
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{
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/* if the old theme is not in the default search path,
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* we need to deal with the search path's first element
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*/
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gchar **paths;
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gint n_paths;
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gtk_icon_theme_get_search_path (icon_theme, &paths, &n_paths);
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if (g_file_equal (new_search_path, default_search_path))
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{
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/* when switching to a theme in the default path, remove
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* the first search path element, the default search path
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* is still in the search path
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*/
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gtk_icon_theme_set_search_path (icon_theme,
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(const gchar **) paths + 1,
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n_paths - 1);
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}
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else
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{
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/* when switching between two non-default search paths, replace
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* the first element of the search path with the new
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* theme's path
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*/
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g_free (paths[0]);
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paths[0] = g_file_get_path (new_search_path);
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gtk_icon_theme_set_search_path (icon_theme,
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(const gchar **) paths, n_paths);
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}
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g_strfreev (paths);
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}
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}
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g_object_unref (old_search_path);
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}
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static void
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gimp_icons_notify_system_icon_theme (GObject *settings,
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GParamSpec *param,
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gpointer unused)
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{
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GdkScreen *screen = gdk_screen_get_default ();
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GValue value = G_VALUE_INIT;
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g_value_init (&value, G_TYPE_STRING);
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if (gdk_screen_get_setting (screen, "gtk-icon-theme-name", &value))
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{
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const gchar *new_system_icon_theme = g_value_get_string (&value);
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gchar *cur_system_icon_theme = NULL;
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g_object_get (settings,
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"gtk-fallback-icon-theme", &cur_system_icon_theme,
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NULL);
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if (g_strcmp0 (cur_system_icon_theme, new_system_icon_theme))
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{
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g_object_set (settings,
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"gtk-fallback-icon-theme", new_system_icon_theme,
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NULL);
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g_object_notify (settings, "gtk-icon-theme-name");
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}
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g_free (cur_system_icon_theme);
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}
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g_value_unset (&value);
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}
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static gboolean
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gimp_icons_sanity_check (GFile *path,
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const gchar *theme_name)
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{
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gboolean exists = FALSE;
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GFile *child = g_file_get_child (path, theme_name);
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if (g_file_query_exists (child, NULL))
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{
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GFile *index = g_file_get_child (child, "index.theme");
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if (g_file_query_exists (index, NULL))
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exists = TRUE;
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else
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g_printerr ("%s: Icon theme path has no '%s/index.theme': %s\n",
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G_STRFUNC, theme_name, gimp_file_get_utf8_name (path));
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g_object_unref (index);
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}
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else
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g_printerr ("%s: Icon theme path has no '%s' subdirectory: %s\n",
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G_STRFUNC, theme_name, gimp_file_get_utf8_name (path));
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g_object_unref (child);
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return exists;
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}
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gboolean
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gimp_icons_set_icon_theme (GFile *path)
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{
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gchar *icon_theme_name;
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GFile *search_path;
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gboolean success = FALSE;
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g_return_val_if_fail (path == NULL || G_IS_FILE (path), FALSE);
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if (path)
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path = g_object_ref (path);
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else
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path = gimp_data_directory_file ("icons", GIMP_DEFAULT_ICON_THEME, NULL);
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search_path = g_file_get_parent (path);
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icon_theme_name = g_file_get_basename (path);
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if (gimp_icons_sanity_check (search_path, "hicolor") &&
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gimp_icons_sanity_check (search_path, icon_theme_name))
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{
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if (icon_theme_path)
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{
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/* this is an icon theme change */
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gimp_icons_change_icon_theme (search_path);
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if (! g_file_equal (icon_theme_path, path))
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{
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g_object_unref (icon_theme_path);
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icon_theme_path = g_object_ref (path);
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}
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}
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else
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{
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/* this is the first call upon initialization */
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icon_theme_path = g_object_ref (path);
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}
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g_object_set (gtk_settings_get_for_screen (gdk_screen_get_default ()),
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"gtk-icon-theme-name", icon_theme_name,
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NULL);
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success = TRUE;
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}
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g_free (icon_theme_name);
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g_object_unref (search_path);
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g_object_unref (path);
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return success;
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}
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/**
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* gimp_icons_init:
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*
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* Initializes the GIMP stock icon factory.
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*
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* You don't need to call this function as gimp_ui_init() already does
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* this for you.
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*/
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void
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gimp_icons_init (void)
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{
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static gboolean initialized = FALSE;
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GtkSettings *settings;
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GdkPixbuf *pixbuf;
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GError *error = NULL;
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gchar *icons_dir;
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gchar *system_icon_theme;
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gchar *gimp_icon_theme;
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if (initialized)
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return;
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/* always prepend the default icon theme, it's never removed from
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* the path again and acts as fallback for missing icons in other
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* themes.
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*/
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if (! default_search_path)
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default_search_path = gimp_data_directory_file ("icons",
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NULL);
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icons_dir = g_file_get_path (default_search_path);
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gtk_icon_theme_prepend_search_path (gtk_icon_theme_get_default (),
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icons_dir);
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g_free (icons_dir);
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/* if an icon theme was chosen before init(), change to it */
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if (icon_theme_path)
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{
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GFile *search_path = g_file_get_parent (icon_theme_path);
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if (!g_file_equal (search_path, default_search_path))
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{
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gchar *icon_dir = g_file_get_path (search_path);
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gtk_icon_theme_prepend_search_path (gtk_icon_theme_get_default (),
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icon_dir);
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g_free (icon_dir);
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}
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g_object_unref (search_path);
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gimp_icon_theme = g_file_get_basename (icon_theme_path);
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}
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else
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{
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gimp_icon_theme = g_strdup (GIMP_DEFAULT_ICON_THEME);
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}
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settings = gtk_settings_get_for_screen (gdk_screen_get_default ());
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g_object_get (settings, "gtk-icon-theme-name", &system_icon_theme, NULL);
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g_object_set (settings,
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"gtk-fallback-icon-theme", system_icon_theme,
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"gtk-icon-theme-name", gimp_icon_theme,
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NULL);
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g_free (gimp_icon_theme);
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g_free (system_icon_theme);
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g_signal_connect (settings, "notify::gtk-icon-theme-name",
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G_CALLBACK (gimp_icons_notify_system_icon_theme), NULL);
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pixbuf = gdk_pixbuf_new_from_resource ("/org/gimp/icons/64/gimp-wilber-eek.png",
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&error);
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if (pixbuf)
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{
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gtk_icon_theme_add_builtin_icon (GIMP_ICON_WILBER_EEK, 64, pixbuf);
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g_object_unref (pixbuf);
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}
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else
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{
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g_critical ("Failed to create icon image: %s", error->message);
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g_clear_error (&error);
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}
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initialized = TRUE;
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}
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