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-rw-r--r--widgets/text/e-completion.c647
1 files changed, 0 insertions, 647 deletions
diff --git a/widgets/text/e-completion.c b/widgets/text/e-completion.c
deleted file mode 100644
index f96e4cb258..0000000000
--- a/widgets/text/e-completion.c
+++ /dev/null
@@ -1,647 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-completion.c - A base class for text completion.
- * Copyright 2000, 2001, Ximian, Inc.
- *
- * Authors:
- * Miguel de Icaza <miguel@ximian.com>
- * Adapted by Jon Trowbridge <trow@ximian.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License, version 2, as published by the Free Software Foundation.
- *
- * 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, Boston, MA
- * 02111-1307, USA.
- */
-
-#include <config.h>
-#include <string.h>
-#include <stdio.h>
-#include <gtk/gtk.h>
-#include <gal/util/e-util.h>
-#include "e-completion.h"
-#include "gal/util/e-util.h"
-
-enum {
- E_COMPLETION_REQUEST_COMPLETION,
- E_COMPLETION_BEGIN_COMPLETION,
- E_COMPLETION_COMPLETION,
- E_COMPLETION_RESTART_COMPLETION,
- E_COMPLETION_CANCEL_COMPLETION,
- E_COMPLETION_END_COMPLETION,
- E_COMPLETION_CLEAR_COMPLETION,
- E_COMPLETION_LOST_COMPLETION,
- E_COMPLETION_LAST_SIGNAL
-};
-
-static guint e_completion_signals[E_COMPLETION_LAST_SIGNAL] = { 0 };
-
-struct _ECompletionPrivate {
- gboolean searching;
- gboolean done_search;
- gboolean refining;
- gchar *search_text;
- GPtrArray *matches;
- gint match_count;
- gint pos;
- gint limit;
- double min_score, max_score;
- gint refinement_count;
- GList *search_stack;
-};
-
-typedef struct {
- gchar *text;
- gint pos;
-} ECompletionSearch;
-
-static void e_completion_class_init (ECompletionClass *klass);
-static void e_completion_init (ECompletion *complete);
-static void e_completion_destroy (GtkObject *object);
-
-static void e_completion_add_match (ECompletion *complete, ECompletionMatch *);
-static void e_completion_clear_search_stack (ECompletion *complete);
-static void e_completion_clear_matches (ECompletion *complete);
-static gboolean e_completion_sort (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_REQUEST_COMPLETION] =
- gtk_signal_new ("request_completion",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ECompletionClass, request_completion),
- e_marshal_NONE__POINTER_INT_INT,
- GTK_TYPE_NONE, 3,
- GTK_TYPE_POINTER, GTK_TYPE_INT, GTK_TYPE_INT);
-
- e_completion_signals[E_COMPLETION_BEGIN_COMPLETION] =
- gtk_signal_new ("begin_completion",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ECompletionClass, begin_completion),
- e_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,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ECompletionClass, completion),
- gtk_marshal_NONE__POINTER,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_POINTER);
-
- e_completion_signals[E_COMPLETION_RESTART_COMPLETION] =
- gtk_signal_new ("restart_completion",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- 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,
- E_OBJECT_CLASS_TYPE (object_class),
- 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,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ECompletionClass, end_completion),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- e_completion_signals[E_COMPLETION_CLEAR_COMPLETION] =
- gtk_signal_new ("clear_completion",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ECompletionClass, clear_completion),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- e_completion_signals[E_COMPLETION_LOST_COMPLETION] =
- gtk_signal_new ("lost_completion",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ECompletionClass, lost_completion),
- gtk_marshal_NONE__POINTER,
- GTK_TYPE_NONE, 1, GTK_TYPE_POINTER);
-
- E_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);
- complete->priv->matches = g_ptr_array_new ();
-}
-
-static void
-e_completion_destroy (GtkObject *object)
-{
- ECompletion *complete = E_COMPLETION (object);
-
- if (complete->priv) {
- g_free (complete->priv->search_text);
- complete->priv->search_text = NULL;
-
- e_completion_clear_matches (complete);
- e_completion_clear_search_stack (complete);
-
- g_ptr_array_free (complete->priv->matches, TRUE);
- complete->priv->matches = NULL;
-
- g_free (complete->priv);
- complete->priv = NULL;
- }
-
- if (parent_class->destroy)
- (parent_class->destroy) (object);
-}
-
-static void
-e_completion_add_match (ECompletion *complete, ECompletionMatch *match)
-{
- g_return_if_fail (complete && E_IS_COMPLETION (complete));
- g_return_if_fail (match != NULL);
-
- g_ptr_array_add (complete->priv->matches, match);
-
- if (complete->priv->matches->len == 1) {
-
- complete->priv->min_score = complete->priv->max_score = match->score;
-
- } else {
-
- complete->priv->min_score = MIN (complete->priv->min_score, match->score);
- complete->priv->max_score = MAX (complete->priv->max_score, match->score);
-
- }
-}
-
-static void
-e_completion_clear_matches (ECompletion *complete)
-{
- ECompletionMatch *match;
- GPtrArray *m;
- int i;
-
- g_return_if_fail (E_IS_COMPLETION (complete));
-
- m = complete->priv->matches;
- for (i = 0; i < m->len; i++) {
- match = g_ptr_array_index (m, i);
- e_completion_match_unref (match);
- }
- g_ptr_array_set_size (m, 0);
-
- complete->priv->min_score = 0;
- complete->priv->max_score = 0;
-}
-
-void
-e_completion_clear (ECompletion *complete)
-{
- g_return_if_fail (E_IS_COMPLETION (complete));
-
- /* FIXME: do we really want _clear and _clear_matches() ? */
-
- /* I think yes, because it is convenient to be able to clear our match cache
- without emitting a "clear_completion" signal. -JT */
-
- e_completion_clear_matches (complete);
- e_completion_clear_search_stack (complete);
- complete->priv->refinement_count = 0;
- complete->priv->match_count = 0;
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_CLEAR_COMPLETION]);
-}
-
-static void
-e_completion_push_search (ECompletion *complete, const gchar *text, gint pos)
-{
- ECompletionSearch *search;
-
- g_return_if_fail (E_IS_COMPLETION (complete));
-
- search = g_new (ECompletionSearch, 1);
- search->text = complete->priv->search_text;
- search->pos = complete->priv->pos;
- complete->priv->search_stack = g_list_prepend (complete->priv->search_stack, search);
-
- complete->priv->search_text = g_strdup (text);
- complete->priv->pos = pos;
-}
-
-static void
-e_completion_pop_search (ECompletion *complete)
-{
- ECompletionSearch *search;
- GList *old_link = complete->priv->search_stack;
-
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (complete->priv->search_stack != NULL);
-
- g_free (complete->priv->search_text);
-
- search = complete->priv->search_stack->data;
- complete->priv->search_text = search->text;
- complete->priv->pos = search->pos;
-
- g_free (search);
- complete->priv->search_stack = g_list_remove_link (complete->priv->search_stack,
- complete->priv->search_stack);
- g_list_free_1 (old_link);
-}
-
-static void
-e_completion_clear_search_stack (ECompletion *complete)
-{
- GList *iter;
-
- g_return_if_fail (E_IS_COMPLETION (complete));
-
- for (iter = complete->priv->search_stack; iter != NULL; iter = g_list_next (iter)) {
- ECompletionSearch *search = iter->data;
- g_free (search->text);
- g_free (search);
- }
- g_list_free (complete->priv->search_stack);
- complete->priv->search_stack = NULL;
-}
-
-static void
-e_completion_refine_search (ECompletion *comp, const gchar *text, gint pos, ECompletionRefineFn refine_fn)
-{
- GPtrArray *m;
- gint i;
-
- comp->priv->refining = TRUE;
-
- e_completion_push_search (comp, text, pos);
-
- gtk_signal_emit (GTK_OBJECT (comp), e_completion_signals[E_COMPLETION_BEGIN_COMPLETION], text, pos, comp->priv->limit);
-
- comp->priv->match_count = 0;
-
- comp->priv->searching = TRUE;
-
- m = comp->priv->matches;
- for (i = 0; i < m->len; ++i) {
- ECompletionMatch *match = g_ptr_array_index (m, i);
- if (comp->priv->refinement_count == match->hit_count
- && refine_fn (comp, match, text, pos)) {
- ++match->hit_count;
- gtk_signal_emit (GTK_OBJECT (comp), e_completion_signals[E_COMPLETION_COMPLETION], match);
- ++comp->priv->match_count;
- }
- }
-
- ++comp->priv->refinement_count;
-
- gtk_signal_emit (GTK_OBJECT (comp), e_completion_signals[E_COMPLETION_END_COMPLETION]);
-
- comp->priv->searching = FALSE;
- comp->priv->refining = FALSE;
-}
-
-static void
-e_completion_unrefine_search (ECompletion *comp)
-{
- GPtrArray *m;
- gint i;
-
- comp->priv->refining = TRUE;
-
- e_completion_pop_search (comp);
-
- gtk_signal_emit (GTK_OBJECT (comp), e_completion_signals[E_COMPLETION_BEGIN_COMPLETION], comp->priv->search_text, comp->priv->pos, comp->priv->limit);
-
- comp->priv->match_count = 0;
- --comp->priv->refinement_count;
-
- comp->priv->searching = TRUE;
-
- m = comp->priv->matches;
- for (i = 0; i < m->len; ++i) {
- ECompletionMatch *match = g_ptr_array_index (m, i);
- if (comp->priv->refinement_count <= match->hit_count) {
- match->hit_count = comp->priv->refinement_count;
- gtk_signal_emit (GTK_OBJECT (comp), e_completion_signals[E_COMPLETION_COMPLETION], match);
- ++comp->priv->match_count;
- }
- }
-
- gtk_signal_emit (GTK_OBJECT (comp), e_completion_signals[E_COMPLETION_END_COMPLETION]);
-
- comp->priv->searching = FALSE;
- comp->priv->refining = FALSE;
-}
-
-void
-e_completion_begin_search (ECompletion *complete, const gchar *text, gint pos, gint limit)
-{
- ECompletionClass *klass;
- ECompletionRefineFn refine_fn;
-
- g_return_if_fail (complete != NULL);
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (text != NULL);
-
- klass = E_COMPLETION_CLASS (GTK_OBJECT_GET_CLASS (complete));
-
- if (!complete->priv->searching && complete->priv->done_search) {
-
- /* If the search we are requesting is the same as what we had before our last refinement,
- treat the request as an unrefine. */
- if (complete->priv->search_stack != NULL) {
- ECompletionSearch *search = complete->priv->search_stack->data;
- if ((klass->ignore_pos_on_auto_unrefine || search->pos == pos)
- && !strcmp (search->text, text)) {
- e_completion_unrefine_search (complete);
- return;
- }
- }
-
- if (klass->auto_refine
- && (refine_fn = klass->auto_refine (complete,
- complete->priv->search_text, complete->priv->pos,
- text, pos))) {
- e_completion_refine_search (complete, text, pos, refine_fn);
- return;
- }
-
- }
-
- /* Stop any prior search. */
- if (complete->priv->searching)
- e_completion_cancel_search (complete);
-
- e_completion_clear_search_stack (complete);
-
- g_free (complete->priv->search_text);
- complete->priv->search_text = g_strdup (text);
-
- complete->priv->pos = pos;
- complete->priv->searching = TRUE;
- complete->priv->done_search = FALSE;
-
- e_completion_clear_matches (complete);
-
- complete->priv->limit = limit > 0 ? limit : G_MAXINT;
- complete->priv->refinement_count = 0;
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_BEGIN_COMPLETION], text, pos, limit);
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_REQUEST_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;
-}
-
-gboolean
-e_completion_refining (ECompletion *complete)
-{
- g_return_val_if_fail (complete != NULL, FALSE);
- g_return_val_if_fail (E_IS_COMPLETION (complete), FALSE);
-
- return complete->priv->refining;
-}
-
-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->refinement_count > 0 ? complete->priv->match_count : complete->priv->matches->len;
-}
-
-void
-e_completion_foreach_match (ECompletion *complete, ECompletionMatchFn fn, gpointer closure)
-{
- GPtrArray *m;
- int i;
-
- g_return_if_fail (complete != NULL);
- g_return_if_fail (E_IS_COMPLETION (complete));
-
- if (fn == NULL)
- return;
-
- m = complete->priv->matches;
- for (i = 0; i < m->len; i++) {
- ECompletionMatch *match = g_ptr_array_index (m, i);
- if (match->hit_count == complete->priv->refinement_count) {
- fn (match, closure);
- }
- }
-}
-
-ECompletion *
-e_completion_new (void)
-{
- return E_COMPLETION (gtk_type_new (e_completion_get_type ()));
-}
-
-static gboolean
-e_completion_sort (ECompletion *complete)
-{
- GPtrArray *m;
- int i;
- GList *sort_list = NULL, *j;
- gboolean diff;
-
- m = complete->priv->matches;
-
- for (i = 0; i < m->len; i++)
- sort_list = g_list_append (sort_list,
- g_ptr_array_index (m, i));
-
- sort_list = g_list_sort (sort_list, (GCompareFunc) e_completion_match_compare_alpha);
-
- diff = FALSE;
-
- for (i=0, j=sort_list; i < m->len; i++, j = g_list_next (j)) {
- if (g_ptr_array_index (m, i) == j->data)
- continue;
-
- diff = TRUE;
- g_ptr_array_index (m, i) = j->data;
- }
-
- g_list_free (sort_list);
-
- return diff;
-}
-
-/* Emit a restart signal and re-declare our matches, up to the limit. */
-static void
-e_completion_restart (ECompletion *complete)
-{
- GPtrArray *m;
- gint i, count;
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_RESTART_COMPLETION]);
-
- m = complete->priv->matches;
- for (i = count = 0;
- i < m->len && count < complete->priv->limit;
- i++, count++) {
- gtk_signal_emit (GTK_OBJECT (complete),
- e_completion_signals[E_COMPLETION_COMPLETION],
- g_ptr_array_index (m, i));
- }
-}
-
-void
-e_completion_found_match (ECompletion *complete, ECompletionMatch *match)
-{
- g_return_if_fail (complete);
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (match != NULL);
-
- if (! complete->priv->searching) {
- g_warning ("e_completion_found_match(...,\"%s\",...) called outside of a search", match->match_text);
- return;
- }
-
- /* For now, do nothing when we hit the limit --- just don't
- * announce the incoming matches. */
- if (complete->priv->matches->len >= complete->priv->limit) {
- e_completion_match_unref (match);
- return;
- }
-
- e_completion_add_match (complete, match);
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_COMPLETION], match);
-}
-
-/* to optimize this, make the match a hash table */
-void
-e_completion_lost_match (ECompletion *complete, ECompletionMatch *match)
-{
- gboolean removed;
-
- g_return_if_fail (E_IS_COMPLETION (complete));
- g_return_if_fail (match != NULL);
-
- /* FIXME: remove fast */
- removed = g_ptr_array_remove (complete->priv->matches,
- match);
-
- /* maybe just return here? */
- g_return_if_fail (removed);
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_LOST_COMPLETION], match);
-
- e_completion_match_unref (match);
-}
-
-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);
-
- /* our table model should be sorted by a non-visible column of
- * doubles (the score) rather than whatever we are doing
- */
- /* If sorting by score accomplishes anything, issue a restart right before we end. */
- if (e_completion_sort (complete))
- e_completion_restart (complete);
-
- gtk_signal_emit (GTK_OBJECT (complete), e_completion_signals[E_COMPLETION_END_COMPLETION]);
-
- complete->priv->searching = FALSE;
- complete->priv->done_search = TRUE;
-}
-