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-rw-r--r--widgets/text/e-completion.c478
1 files changed, 0 insertions, 478 deletions
diff --git a/widgets/text/e-completion.c b/widgets/text/e-completion.c
deleted file mode 100644
index a8038b8184..0000000000
--- a/widgets/text/e-completion.c
+++ /dev/null
@@ -1,478 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/* ECompletion - A base class for text completion.
- * Copyright (C) 2000, 2001 Ximian, Inc.
- *
- * Author: Miguel de Icaza <miguel@ximian.com>
- * Adapted by Jon Trowbridge <trow@ximian.com>
- *
- */
-
-/*
- * 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 <string.h> /* strcmp() */
-#include <gtk/gtk.h>
-#include "e-completion.h"
-
-enum {
- E_COMPLETION_BEGIN_COMPLETION,
- E_COMPLETION_COMPLETION,
- E_COMPLETION_RESTART_COMPLETION,
- E_COMPLETION_CANCEL_COMPLETION,
- E_COMPLETION_END_COMPLETION,
- E_COMPLETION_LAST_SIGNAL
-};
-
-static guint e_completion_signals[E_COMPLETION_LAST_SIGNAL] = { 0 };
-
-typedef struct _Match Match;
-struct _Match {
- gchar *text;
- double score;
- gpointer extra_data;
- GtkDestroyNotify extra_destroy;
-};
-
-struct _ECompletionPrivate {
- gboolean searching;
- gchar *search_text;
- gint pos;
- gint limit;
- gint match_count;
- GList *matches;
- double min_score, max_score;
-};
-
-static void e_completion_class_init (ECompletionClass *klass);
-static void e_completion_init (ECompletion *complete);
-static void e_completion_destroy (GtkObject *object);
-
-static Match *match_new (const gchar *txt, double score, gpointer extra_data, GtkDestroyNotify extra_destroy);
-static void match_free (Match *);
-static void match_list_free (GList *);
-
-static void e_completion_add_match (ECompletion *complete, const gchar *txt, double score, gpointer extra_data, GtkDestroyNotify);
-static void e_completion_clear_matches (ECompletion *complete);
-static gboolean e_completion_sort_by_score (ECompletion *complete);
-static void e_completion_restart (ECompletion *complete);
-
-static GtkObjectClass *parent_class;
-
-
-
-GtkType
-e_completion_get_type (void)
-{
- static GtkType complete_type = 0;
-
- if (!complete_type) {
- GtkTypeInfo complete_info = {
- "ECompletion",
- sizeof (ECompletion),
- sizeof (ECompletionClass),
- (GtkClassInitFunc) e_completion_class_init,
- (GtkObjectInitFunc) e_completion_init,
- NULL, NULL, /* reserved */
- (GtkClassInitFunc) NULL
- };
-
- complete_type = gtk_type_unique (gtk_object_get_type (), &complete_info);
- }
-
- return complete_type;
-}
-
-static void
-e_completion_class_init (ECompletionClass *klass)
-{
- GtkObjectClass *object_class = (GtkObjectClass *) klass;
-
- parent_class = GTK_OBJECT_CLASS (gtk_type_class (gtk_object_get_type ()));
-
- e_completion_signals[E_COMPLETION_BEGIN_COMPLETION] =
- gtk_signal_new ("begin_completion",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECompletionClass, begin_completion),
- gtk_marshal_NONE__POINTER_INT_INT,
- GTK_TYPE_NONE, 3,
- GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_INT);
-
- e_completion_signals[E_COMPLETION_COMPLETION] =
- gtk_signal_new ("completion",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECompletionClass, completion),
- gtk_marshal_NONE__POINTER_POINTER,
- GTK_TYPE_NONE, 2,
- GTK_TYPE_POINTER, GTK_TYPE_POINTER);
-
- e_completion_signals[E_COMPLETION_RESTART_COMPLETION] =
- gtk_signal_new ("restart_completion",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECompletionClass, restart_completion),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- e_completion_signals[E_COMPLETION_CANCEL_COMPLETION] =
- gtk_signal_new ("cancel_completion",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECompletionClass, cancel_completion),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- e_completion_signals[E_COMPLETION_END_COMPLETION] =
- gtk_signal_new ("end_completion",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ECompletionClass, end_completion),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- gtk_object_class_add_signals (object_class, e_completion_signals, E_COMPLETION_LAST_SIGNAL);
-
- object_class->destroy = e_completion_destroy;
-}
-
-static void
-e_completion_init (ECompletion *complete)
-{
- complete->priv = g_new0 (struct _ECompletionPrivate, 1);
-}
-
-static void
-e_completion_destroy (GtkObject *object)
-{
- ECompletion *complete = E_COMPLETION (object);
-
- g_free (complete->priv->search_text);
- complete->priv->search_text = NULL;
-
- e_completion_clear_matches (complete);
-
- g_free (complete->priv);
- complete->priv = NULL;
-
- if (parent_class->destroy)
- (parent_class->destroy) (object);
-}
-
-static Match *
-match_new (const gchar *text, double score, gpointer extra_data, GtkDestroyNotify extra_destroy)
-{
- Match *m;
-
- if (text == NULL)
- return NULL;
-
- m = g_new (Match, 1);
- m->text = g_strdup (text);
- m->score = score;
- m->extra_data = extra_data;
- m->extra_destroy = extra_destroy;
-
- return m;
-}
-
-static void
-match_free (Match *m)
-{
- if (m) {
- g_free (m->text);
- if (m->extra_destroy)
- m->extra_destroy (m->extra_data);
- g_free (m);
- }
-}
-
-static void
-match_list_free (GList *i)
-{
- while (i) {
- match_free ( (Match *) i->data );
- i = g_list_next (i);
- }
-}
-
-static void
-e_completion_add_match (ECompletion *complete, const gchar *txt, double score, gpointer extra_data, GtkDestroyNotify extra_destroy)
-{
- complete->priv->matches = g_list_append (complete->priv->matches, match_new (txt, score, extra_data, extra_destroy));
-
- if (complete->priv->match_count == 0) {
-
- complete->priv->min_score = complete->priv->max_score = score;
-
- } else {
-
- complete->priv->min_score = MIN (complete->priv->min_score, score);
- complete->priv->max_score = MAX (complete->priv->max_score, score);
-
- }
-
- ++complete->priv->match_count;
-}
-
-static void
-e_completion_clear_matches (ECompletion *complete)
-{
- match_list_free (complete->priv->matches);
- g_list_free (complete->priv->matches);
- complete->priv->matches = NULL;
-
- complete->priv->match_count = 0;
-
- complete->priv->min_score = 0;
- complete->priv->max_score = 0;
-}
-
-void
-e_completion_begin_search (ECompletion *complete, const gchar *text, gint pos, gint limit)
-{
- g_return_if_fail (complete != NULL);
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (text != NULL);
-
- /* Stop any prior search. */
- if (complete->priv->searching)
- e_completion_cancel_search (complete);
-
- g_free (complete->priv->search_text);
- complete->priv->search_text = g_strdup (text);
-
- complete->priv->pos = pos;
- complete->priv->searching = TRUE;
-
- e_completion_clear_matches (complete);
-
- complete->priv->limit = limit > 0 ? limit : G_MAXINT;
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_BEGIN_COMPLETION], text, pos, limit);
-}
-
-void
-e_completion_cancel_search (ECompletion *complete)
-{
- g_return_if_fail (complete != NULL);
- g_return_if_fail (E_IS_COMPLETION (complete));
-
- /* If there is no search to cancel, just silently return. */
- if (!complete->priv->searching)
- return;
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_CANCEL_COMPLETION]);
-
- complete->priv->searching = FALSE;
-}
-
-gboolean
-e_completion_searching (ECompletion *complete)
-{
- g_return_val_if_fail (complete != NULL, FALSE);
- g_return_val_if_fail (E_IS_COMPLETION (complete), FALSE);
-
- return complete->priv->searching;
-}
-
-const gchar *
-e_completion_search_text (ECompletion *complete)
-{
- g_return_val_if_fail (complete != NULL, NULL);
- g_return_val_if_fail (E_IS_COMPLETION (complete), NULL);
-
- return complete->priv->search_text;
-}
-
-gint
-e_completion_search_text_pos (ECompletion *complete)
-{
- g_return_val_if_fail (complete != NULL, -1);
- g_return_val_if_fail (E_IS_COMPLETION (complete), -1);
-
- return complete->priv->pos;
-}
-
-gint
-e_completion_match_count (ECompletion *complete)
-{
- g_return_val_if_fail (complete != NULL, 0);
- g_return_val_if_fail (E_IS_COMPLETION (complete), 0);
-
- return complete->priv->match_count;
-}
-
-void
-e_completion_foreach_match (ECompletion *complete, ECompletionMatchFn fn, gpointer user_data)
-{
- GList *i;
-
- g_return_if_fail (complete != NULL);
- g_return_if_fail (E_IS_COMPLETION (complete));
-
- if (fn == NULL)
- return;
-
- for (i = complete->priv->matches; i != NULL; i = g_list_next (i)) {
- Match *m = (Match *) i->data;
- fn (m->text, m->score, m->extra_data, user_data);
- }
-}
-
-gpointer
-e_completion_find_extra_data (ECompletion *complete, const gchar *text)
-{
- GList *i;
-
- g_return_val_if_fail (complete != NULL, NULL);
- g_return_val_if_fail (E_IS_COMPLETION (complete), NULL);
-
- for (i = complete->priv->matches; i != NULL; i = g_list_next (i)) {
- Match *m = (Match *) i->data;
- if (strcmp (m->text, text) == 0)
- return m->extra_data;
- }
-
- return NULL;
-}
-
-ECompletion *
-e_completion_new (void)
-{
- return E_COMPLETION (gtk_type_new (e_completion_get_type ()));
-}
-
-static gint
-score_cmp_fn (gconstpointer a, gconstpointer b)
-{
- double sa = ((const Match *) a)->score;
- double sb = ((const Match *) b)->score;
- gint cmp = (sa < sb) - (sb < sa);
- if (cmp == 0)
- cmp = g_strcasecmp (((const Match *) a)->text, ((const Match *) b)->text);
- return cmp;
-}
-
-static gboolean
-e_completion_sort_by_score (ECompletion *complete)
-{
- GList *sort_list = NULL, *i, *j;
- gboolean diff;
- gint count;
-
- /* If all scores are equal, there is nothing to do. */
- if (complete->priv->min_score == complete->priv->max_score)
- return FALSE;
-
- for (i = complete->priv->matches; i != NULL; i = g_list_next (i)) {
- sort_list = g_list_append (sort_list, i->data);
- }
-
- sort_list = g_list_sort (sort_list, score_cmp_fn);
-
-
- diff = FALSE;
- count = 0;
- i = complete->priv->matches;
- j = sort_list;
- while (i && j && !diff && count < complete->priv->limit) {
-
- if (i->data != j->data)
- diff = TRUE;
-
- i = g_list_next (i);
- j = g_list_next (j);
- ++count;
- }
-
- g_list_free (complete->priv->matches);
- complete->priv->matches = sort_list;
-
- return diff;
-}
-
-/* Emit a restart signal and re-declare our matches, up to the limit. */
-static void
-e_completion_restart (ECompletion *complete)
-{
- GList *i;
- gint count = 0;
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_RESTART_COMPLETION]);
-
- i = complete->priv->matches;
- while (i != NULL && count < complete->priv->limit) {
- Match *m = (Match *) i->data;
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_COMPLETION], m->text, m->extra_data);
-
- i = g_list_next (i);
- ++count;
- }
-}
-
-void
-e_completion_found_match (ECompletion *complete, const gchar *text)
-{
- g_return_if_fail (complete);
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (text != NULL);
-
- e_completion_found_match_full (complete, text, 0, NULL, NULL);
-}
-
-void
-e_completion_found_match_full (ECompletion *complete, const gchar *text, double score, gpointer extra_data, GtkDestroyNotify extra_destroy)
-{
- g_return_if_fail (complete);
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (text != NULL);
-
- if (! complete->priv->searching) {
- g_warning ("e_completion_found_match(...,\"%s\",...) called outside of a search", text);
- return;
- }
-
- e_completion_add_match (complete, text, score, extra_data, extra_destroy);
-
- /* For now, do nothing when we hit the limit --- just don't announce the incoming matches. */
- if (complete->priv->match_count >= complete->priv->limit) {
- return;
- }
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_COMPLETION], text, extra_data);
-}
-
-void
-e_completion_end_search (ECompletion *complete)
-{
- g_return_if_fail (complete != NULL);
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (complete->priv->searching);
-
- /* If sorting by score accomplishes anything, issue a restart right before we end. */
- if (e_completion_sort_by_score (complete))
- e_completion_restart (complete);
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_END_COMPLETION]);
-
- complete->priv->searching = FALSE;
-}
-