312 lines
8.2 KiB
C
312 lines
8.2 KiB
C
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/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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 2 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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* Lesser 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 <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <locale.h>
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#include <stdlib.h>
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#include "gdk/gdk.h"
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#include "gtkprivate.h"
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#include "gtkresources.h"
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#if !defined G_OS_WIN32 && !(defined GDK_WINDOWING_MACOS && defined QUARTZ_RELOCATION)
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const char *
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_gtk_get_datadir (void)
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{
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return GTK_DATADIR;
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}
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const char *
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_gtk_get_libdir (void)
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{
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return GTK_LIBDIR;
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}
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const char *
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_gtk_get_sysconfdir (void)
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{
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return GTK_SYSCONFDIR;
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}
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const char *
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_gtk_get_localedir (void)
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{
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return GTK_LOCALEDIR;
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}
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const char *
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_gtk_get_data_prefix (void)
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{
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return GTK_DATA_PREFIX;
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}
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#endif
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/* _gtk_get_lc_ctype:
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*
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* Return the Unix-style locale string for the language currently in
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* effect. On Unix systems, this is the return value from
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* `setlocale(LC_CTYPE, NULL)`, and the user can
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* affect this through the environment variables LC_ALL, LC_CTYPE or
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* LANG (checked in that order). The locale strings typically is in
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* the form lang_COUNTRY, where lang is an ISO-639 language code, and
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* COUNTRY is an ISO-3166 country code. For instance, sv_FI for
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* Swedish as written in Finland or pt_BR for Portuguese as written in
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* Brazil.
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*
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* On Windows, the C library doesn’t use any such environment
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* variables, and setting them won’t affect the behaviour of functions
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* like ctime(). The user sets the locale through the Regional Options
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* in the Control Panel. The C library (in the setlocale() function)
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* does not use country and language codes, but country and language
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* names spelled out in English.
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* However, this function does check the above environment
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* variables, and does return a Unix-style locale string based on
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* either said environment variables or the thread’s current locale.
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*
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* Returns: a dynamically allocated string, free with g_free().
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*/
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char *
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_gtk_get_lc_ctype (void)
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{
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#ifdef G_OS_WIN32
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/* Somebody might try to set the locale for this process using the
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* LANG or LC_ environment variables. The Microsoft C library
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* doesn't know anything about them. You set the locale in the
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* Control Panel. Setting these env vars won't have any affect on
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* locale-dependent C library functions like ctime(). But just for
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* kicks, do obey LC_ALL, LC_CTYPE and LANG in GTK. (This also makes
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* it easier to test GTK and Pango in various default languages, you
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* don't have to clickety-click in the Control Panel, you can simply
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* start the program with LC_ALL=something on the command line.)
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*/
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char *p;
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p = getenv ("LC_ALL");
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if (p != NULL)
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return g_strdup (p);
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p = getenv ("LC_CTYPE");
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if (p != NULL)
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return g_strdup (p);
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p = getenv ("LANG");
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if (p != NULL)
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return g_strdup (p);
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return g_win32_getlocale ();
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#else
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return g_strdup (setlocale (LC_CTYPE, NULL));
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#endif
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}
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gboolean
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_gtk_boolean_handled_accumulator (GSignalInvocationHint *ihint,
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GValue *return_accu,
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const GValue *handler_return,
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gpointer dummy)
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{
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gboolean continue_emission;
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gboolean signal_handled;
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signal_handled = g_value_get_boolean (handler_return);
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g_value_set_boolean (return_accu, signal_handled);
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continue_emission = !signal_handled;
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return continue_emission;
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}
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gboolean
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_gtk_single_string_accumulator (GSignalInvocationHint *ihint,
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GValue *return_accu,
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const GValue *handler_return,
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gpointer dummy)
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{
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gboolean continue_emission;
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const char *str;
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str = g_value_get_string (handler_return);
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g_value_set_string (return_accu, str);
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continue_emission = str == NULL;
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return continue_emission;
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}
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static gpointer
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register_resources (gpointer data)
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{
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_gtk_register_resource ();
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return NULL;
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}
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void
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_gtk_ensure_resources (void)
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{
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static GOnce register_resources_once = G_ONCE_INIT;
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g_once (®ister_resources_once, register_resources, NULL);
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}
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/*
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* gtk_get_portal_interface_version:
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* @connection: a session `GDBusConnection`
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* @interface_name: the interface name for the portal interface
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* we're interested in.
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*
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* Returns: the version number of the portal, or 0 on error.
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*/
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guint
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gtk_get_portal_interface_version (GDBusConnection *connection,
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const char *interface_name)
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{
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GDBusProxy *proxy = NULL;
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GError *error = NULL;
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GVariant *ret = NULL;
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char *owner = NULL;
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guint version = 0;
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proxy = g_dbus_proxy_new_sync (connection,
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0,
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NULL,
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"org.freedesktop.portal.Desktop",
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"/org/freedesktop/portal/desktop",
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interface_name,
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NULL,
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&error);
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if (!proxy)
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{
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if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
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g_warning ("Could not query portal version on interface '%s': %s",
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interface_name, error->message);
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goto out;
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}
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owner = g_dbus_proxy_get_name_owner (proxy);
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if (owner == NULL)
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{
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g_debug ("%s not provided by any service", interface_name);
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goto out;
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}
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ret = g_dbus_proxy_get_cached_property (proxy, "version");
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if (ret)
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version = g_variant_get_uint32 (ret);
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g_debug ("Got version %u for portal interface '%s'",
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version, interface_name);
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out:
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g_clear_object (&proxy);
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g_clear_error (&error);
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g_clear_pointer (&ret, g_variant_unref);
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g_clear_pointer (&owner, g_free);
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return version;
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}
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static char *
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get_portal_path (GDBusConnection *connection,
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const char *kind,
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char **token)
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{
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char *sender;
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int i;
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char *path;
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*token = g_strdup_printf ("gtk%d", g_random_int_range (0, G_MAXINT));
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/* +1 to skip the leading : */
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sender = g_strdup (g_dbus_connection_get_unique_name (connection) + 1);
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for (i = 0; sender[i]; i++)
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if (sender[i] == '.')
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sender[i] = '_';
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path = g_strconcat (PORTAL_OBJECT_PATH, "/", kind, "/", sender, "/", *token, NULL);
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g_free (sender);
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return path;
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}
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char *
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gtk_get_portal_request_path (GDBusConnection *connection,
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char **token)
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{
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return get_portal_path (connection, "request", token);
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}
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char *
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gtk_get_portal_session_path (GDBusConnection *connection,
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char **token)
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{
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return get_portal_path (connection, "session", token);
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}
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char *
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_gtk_elide_underscores (const char *original)
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{
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char *q, *result;
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const char *p, *end;
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gsize len;
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gboolean last_underscore;
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if (!original)
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return NULL;
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len = strlen (original);
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q = result = g_malloc (len + 1);
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last_underscore = FALSE;
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end = original + len;
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for (p = original; p < end; p++)
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{
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if (!last_underscore && *p == '_')
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last_underscore = TRUE;
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else
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{
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last_underscore = FALSE;
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if (original + 2 <= p && p + 1 <= end &&
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p[-2] == '(' && p[-1] == '_' && p[0] != '_' && p[1] == ')')
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{
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q--;
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*q = '\0';
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p++;
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}
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else
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*q++ = *p;
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}
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}
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if (last_underscore)
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*q++ = '_';
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*q = '\0';
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return result;
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}
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