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-rw-r--r--mate-dictionary/libgdict/gdict-utils.c333
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diff --git a/mate-dictionary/libgdict/gdict-utils.c b/mate-dictionary/libgdict/gdict-utils.c
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+/* gdict-utils.c - Utility functions for Gdict
+ *
+ * Copyright (C) 2005 Emmanuele Bassi <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+
+#include "gdict-context-private.h"
+#include "gdict-debug.h"
+#include "gdict-utils.h"
+#include "gdict-version.h"
+#include "gdict-private.h"
+
+guint gdict_major_version = GDICT_MAJOR_VERSION;
+guint gdict_minor_version = GDICT_MINOR_VERSION;
+guint gdict_micro_version = GDICT_MICRO_VERSION;
+
+guint gdict_debug_flags = 0; /* global gdict debug flag */
+
+#ifdef GDICT_ENABLE_DEBUG
+static const GDebugKey gdict_debug_keys[] = {
+ { "misc", GDICT_DEBUG_MISC },
+ { "context", GDICT_DEBUG_CONTEXT },
+ { "dict", GDICT_DEBUG_DICT },
+ { "source", GDICT_DEBUG_SOURCE },
+ { "loader", GDICT_DEBUG_LOADER },
+ { "chooser", GDICT_DEBUG_CHOOSER },
+ { "defbux", GDICT_DEBUG_DEFBOX },
+ { "speller", GDICT_DEBUG_SPELLER },
+};
+#endif /* GDICT_ENABLE_DEBUG */
+
+static gboolean gdict_is_initialized = FALSE;
+
+#ifdef GDICT_ENABLE_DEBUG
+static gboolean
+gdict_arg_debug_cb (const char *key,
+ const char *value,
+ gpointer user_data)
+{
+ gdict_debug_flags |=
+ g_parse_debug_string (value,
+ gdict_debug_keys,
+ G_N_ELEMENTS (gdict_debug_keys));
+ return TRUE;
+}
+
+static gboolean
+gdict_arg_no_debug_cb (const char *key,
+ const char *value,
+ gpointer user_data)
+{
+ gdict_debug_flags &=
+ ~g_parse_debug_string (value,
+ gdict_debug_keys,
+ G_N_ELEMENTS (gdict_debug_keys));
+ return TRUE;
+}
+#endif /* CLUTTER_ENABLE_DEBUG */
+
+static GOptionEntry gdict_args[] = {
+#ifdef GDICT_ENABLE_DEBUG
+ { "gdict-debug", 0, 0, G_OPTION_ARG_CALLBACK, gdict_arg_debug_cb,
+ N_("GDict debugging flags to set"), N_("FLAGS") },
+ { "gdict-no-debug", 0, 0, G_OPTION_ARG_CALLBACK, gdict_arg_no_debug_cb,
+ N_("GDict debugging flags to unset"), N_("FLAGS") },
+#endif /* GDICT_ENABLE_DEBUG */
+ { NULL, },
+};
+
+static gboolean
+pre_parse_hook (GOptionContext *context,
+ GOptionGroup *group,
+ gpointer data,
+ GError **error)
+{
+ const char *env_string;
+
+ if (gdict_is_initialized)
+ return TRUE;
+
+#ifdef GDICT_ENABLE_DEBUG
+ env_string = g_getenv ("GDICT_DEBUG");
+ if (env_string != NULL)
+ {
+ gdict_debug_flags =
+ g_parse_debug_string (env_string,
+ gdict_debug_keys,
+ G_N_ELEMENTS (gdict_debug_keys));
+ }
+#else
+ env_string = NULL;
+#endif /* GDICT_ENABLE_DEBUG */
+
+ return TRUE;
+}
+
+static gboolean
+post_parse_hook (GOptionContext *context,
+ GOptionGroup *group,
+ gpointer data,
+ GError **error)
+{
+ gdict_is_initialized = TRUE;
+
+ return TRUE;
+}
+
+/**
+ * gdict_get_option_group:
+ *
+ * FIXME
+ *
+ * Return value: FIXME
+ *
+ * Since: 0.12
+ */
+GOptionGroup *
+gdict_get_option_group (void)
+{
+ GOptionGroup *group;
+
+ group = g_option_group_new ("gdict",
+ _("GDict Options"),
+ _("Show GDict Options"),
+ NULL,
+ NULL);
+
+ g_option_group_set_parse_hooks (group, pre_parse_hook, post_parse_hook);
+ g_option_group_add_entries (group, gdict_args);
+ g_option_group_set_translation_domain (group, GETTEXT_PACKAGE);
+
+ return group;
+}
+
+/**
+ * gdict_debug_init:
+ * @argc: FIXME
+ * @argv: FIXME
+ *
+ * FIXME
+ *
+ * Since: 0.12
+ */
+void
+gdict_debug_init (gint *argc,
+ gchar ***argv)
+{
+ GOptionContext *option_context;
+ GOptionGroup *gdict_group;
+ GError *error = NULL;
+
+ if (gdict_is_initialized)
+ return;
+
+ option_context = g_option_context_new (NULL);
+ g_option_context_set_ignore_unknown_options (option_context, TRUE);
+ g_option_context_set_help_enabled (option_context, FALSE);
+
+ gdict_group = gdict_get_option_group ();
+ g_option_context_set_main_group (option_context, gdict_group);
+
+ if (!g_option_context_parse (option_context, argc, argv, &error))
+ {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+
+ g_option_context_free (option_context);
+}
+
+gboolean
+gdict_check_version (guint required_major,
+ guint required_minor,
+ guint required_micro)
+{
+ gint gdict_effective_micro = 100 * GDICT_MINOR_VERSION + GDICT_MICRO_VERSION;
+ gint required_effective_micro = 100 * required_minor + required_micro;
+
+ if (required_major > GDICT_MAJOR_VERSION)
+ return FALSE;
+
+ if (required_major < GDICT_MAJOR_VERSION)
+ return FALSE;
+
+ if (required_effective_micro < gdict_effective_micro)
+ return FALSE;
+
+ if (required_effective_micro > gdict_effective_micro)
+ return FALSE;
+
+ return TRUE;
+}
+/* gdict_has_ipv6: checks for the existence of the IPv6 extensions; if
+ * IPv6 support was not enabled, this function always return false
+ */
+gboolean
+_gdict_has_ipv6 (void)
+{
+#ifdef ENABLE_IPV6
+ int s;
+
+ s = socket (AF_INET6, SOCK_STREAM, 0);
+ if (s != -1)
+ {
+ close(s);
+
+ return TRUE;
+ }
+#endif
+
+ return FALSE;
+}
+
+/* shows an error dialog making it transient for @parent */
+static void
+show_error_dialog (GtkWindow *parent,
+ const gchar *message,
+ const gchar *detail)
+{
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new (parent,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_OK,
+ "%s", message);
+ gtk_window_set_title (GTK_WINDOW (dialog), "");
+
+ if (detail)
+ gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
+ "%s", detail);
+
+ if (parent && gtk_window_get_group (parent))
+ gtk_window_group_add_window (gtk_window_get_group (parent), GTK_WINDOW (dialog));
+
+ gtk_dialog_run (GTK_DIALOG (dialog));
+
+ gtk_widget_destroy (dialog);
+}
+
+/* find the toplevel widget for @widget */
+static GtkWindow *
+get_toplevel_window (GtkWidget *widget)
+{
+ GtkWidget *toplevel;
+
+ toplevel = gtk_widget_get_toplevel (widget);
+ if (!gtk_widget_is_toplevel (toplevel))
+ return NULL;
+ else
+ return GTK_WINDOW (toplevel);
+}
+
+/**
+ * gdict_show_error_dialog:
+ * @widget: the widget that emits the error
+ * @title: the primary error message
+ * @message: the secondary error message or %NULL
+ *
+ * Creates and shows an error dialog bound to @widget.
+ *
+ * Since: 1.0
+ */
+void
+_gdict_show_error_dialog (GtkWidget *widget,
+ const gchar *title,
+ const gchar *detail)
+{
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (title != NULL);
+
+ show_error_dialog (get_toplevel_window (widget), title, detail);
+}
+
+/**
+ * gdict_show_gerror_dialog:
+ * @widget: the widget that emits the error
+ * @title: the primary error message
+ * @error: a #GError
+ *
+ * Creates and shows an error dialog bound to @widget, using @error
+ * to fill the secondary text of the message dialog with the error
+ * message. Also takes care of freeing @error.
+ *
+ * Since: 1.0
+ */
+void
+_gdict_show_gerror_dialog (GtkWidget *widget,
+ const gchar *title,
+ GError *error)
+{
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (title != NULL);
+ g_return_if_fail (error != NULL);
+
+ show_error_dialog (get_toplevel_window (widget), title, error->message);
+
+ g_error_free (error);
+}
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