-
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include "config.h"
#include "gtktexttagtable.h"
-#include "gtksignal.h"
+#include "gtkmarshalers.h"
+#include "gtktextbuffer.h" /* just for the lame notify_will_remove_tag hack */
+#include "gtkintl.h"
+#include "gtkalias.h"
#include <stdlib.h>
LAST_ARG
};
-static void gtk_text_tag_table_init (GtkTextTagTable *table);
-static void gtk_text_tag_table_class_init (GtkTextTagTableClass *klass);
-static void gtk_text_tag_table_destroy (GtkObject *object);
-static void gtk_text_tag_table_finalize (GObject *object);
-static void gtk_text_tag_table_set_arg (GtkObject *object, GtkArg *arg, guint arg_id);
-static void gtk_text_tag_table_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
+static void gtk_text_tag_table_finalize (GObject *object);
+static void gtk_text_tag_table_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_text_tag_table_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
-static GtkObjectClass *parent_class = NULL;
static guint signals[LAST_SIGNAL] = { 0 };
-GtkType
-gtk_text_tag_table_get_type (void)
-{
- static GtkType our_type = 0;
-
- if (our_type == 0)
- {
- static const GtkTypeInfo our_info =
- {
- "GtkTextTagTable",
- sizeof (GtkTextTagTable),
- sizeof (GtkTextTagTableClass),
- (GtkClassInitFunc) gtk_text_tag_table_class_init,
- (GtkObjectInitFunc) gtk_text_tag_table_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL
- };
-
- our_type = gtk_type_unique (GTK_TYPE_OBJECT, &our_info);
- }
-
- return our_type;
-}
+G_DEFINE_TYPE (GtkTextTagTable, gtk_text_tag_table, G_TYPE_OBJECT)
static void
gtk_text_tag_table_class_init (GtkTextTagTableClass *klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
-
- parent_class = gtk_type_class (GTK_TYPE_OBJECT);
-
- object_class->set_arg = gtk_text_tag_table_set_arg;
- object_class->get_arg = gtk_text_tag_table_get_arg;
-
- object_class->destroy = gtk_text_tag_table_destroy;
- gobject_class->finalize = gtk_text_tag_table_finalize;
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ object_class->set_property = gtk_text_tag_table_set_property;
+ object_class->get_property = gtk_text_tag_table_get_property;
+
+ object_class->finalize = gtk_text_tag_table_finalize;
+
signals[TAG_CHANGED] =
- gtk_signal_new ("tag_changed",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextTagTableClass, tag_changed),
- gtk_marshal_VOID__OBJECT_BOOLEAN,
- GTK_TYPE_NONE,
- 2,
- G_TYPE_OBJECT,
- GTK_TYPE_BOOL);
+ g_signal_new (I_("tag-changed"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextTagTableClass, tag_changed),
+ NULL, NULL,
+ _gtk_marshal_VOID__OBJECT_BOOLEAN,
+ G_TYPE_NONE,
+ 2,
+ GTK_TYPE_TEXT_TAG,
+ G_TYPE_BOOLEAN);
signals[TAG_ADDED] =
- gtk_signal_new ("tag_added",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextTagTableClass, tag_added),
- gtk_marshal_VOID__OBJECT,
- GTK_TYPE_NONE,
- 1,
- G_TYPE_OBJECT);
+ g_signal_new (I_("tag-added"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextTagTableClass, tag_added),
+ NULL, NULL,
+ _gtk_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1,
+ GTK_TYPE_TEXT_TAG);
signals[TAG_REMOVED] =
- gtk_signal_new ("tag_removed",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextTagTableClass, tag_removed),
- gtk_marshal_VOID__OBJECT,
- GTK_TYPE_NONE,
- 1,
- G_TYPE_OBJECT);
+ g_signal_new (I_("tag-removed"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextTagTableClass, tag_removed),
+ NULL, NULL,
+ _gtk_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1,
+ GTK_TYPE_TEXT_TAG);
}
-void
+static void
gtk_text_tag_table_init (GtkTextTagTable *table)
{
table->hash = g_hash_table_new (g_str_hash, g_str_equal);
{
GtkTextTagTable *table;
- table = GTK_TEXT_TAG_TABLE (gtk_type_new (gtk_text_tag_table_get_type ()));
+ table = g_object_new (GTK_TYPE_TEXT_TAG_TABLE, NULL);
return table;
}
-static void
-gtk_text_tag_table_destroy (GtkObject *object)
-{
- GtkTextTagTable *table;
-
- table = GTK_TEXT_TAG_TABLE (object);
-
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
static void
foreach_unref (GtkTextTag *tag, gpointer data)
{
+ GSList *tmp;
+
/* We don't want to emit the remove signal here; so we just unparent
* and unref the tag.
*/
+ tmp = tag->table->buffers;
+ while (tmp != NULL)
+ {
+ _gtk_text_buffer_notify_will_remove_tag (GTK_TEXT_BUFFER (tmp->data),
+ tag);
+
+ tmp = tmp->next;
+ }
+
tag->table = NULL;
- g_object_unref (G_OBJECT (tag));
+ g_object_unref (tag);
}
static void
GtkTextTagTable *table;
table = GTK_TEXT_TAG_TABLE (object);
-
+
gtk_text_tag_table_foreach (table, foreach_unref, NULL);
g_hash_table_destroy (table->hash);
g_slist_free (table->anonymous);
- (* G_OBJECT_CLASS (parent_class)->finalize) (object);
-}
+ g_slist_free (table->buffers);
+ G_OBJECT_CLASS (gtk_text_tag_table_parent_class)->finalize (object);
+}
static void
-gtk_text_tag_table_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
+gtk_text_tag_table_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- GtkTextTagTable *table;
-
- table = GTK_TEXT_TAG_TABLE (object);
-
- switch (arg_id)
+ switch (prop_id)
{
default:
- g_assert_not_reached ();
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
+
static void
-gtk_text_tag_table_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
+gtk_text_tag_table_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- GtkTextTagTable *table;
-
- table = GTK_TEXT_TAG_TABLE (object);
-
- switch (arg_id)
+ switch (prop_id)
{
default:
- arg->type = GTK_TYPE_INVALID;
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
*
* Add a tag to the table. The tag is assigned the highest priority
* in the table.
- *
+ *
+ * @tag must not be in a tag table already, and may not have
+ * the same name as an already-added tag.
**/
void
gtk_text_tag_table_add (GtkTextTagTable *table,
g_return_if_fail (GTK_IS_TEXT_TAG_TABLE (table));
g_return_if_fail (GTK_IS_TEXT_TAG (tag));
- g_return_if_fail (tag->name == NULL ||
- g_hash_table_lookup (table->hash, tag->name) == NULL);
g_return_if_fail (tag->table == NULL);
- gtk_object_ref (GTK_OBJECT (tag));
- gtk_object_sink (GTK_OBJECT (tag));
+ if (tag->name && g_hash_table_lookup (table->hash, tag->name))
+ {
+ g_warning ("A tag named '%s' is already in the tag table.",
+ tag->name);
+ return;
+ }
+
+ g_object_ref (tag);
if (tag->name)
g_hash_table_insert (table->hash, tag->name, tag);
/* We get the highest tag priority, as the most-recently-added
tag. Note that we do NOT use gtk_text_tag_set_priority,
as it assumes the tag is already in the table. */
- size = gtk_text_tag_table_size (table);
+ size = gtk_text_tag_table_get_size (table);
g_assert (size > 0);
tag->priority = size - 1;
- gtk_signal_emit (GTK_OBJECT (table), signals[TAG_ADDED], tag);
+ g_signal_emit (table, signals[TAG_ADDED], 0, tag);
}
/**
*
* Look up a named tag.
*
- * Return value: The tag, or %NULL if none by that name is in the table.
+ * Return value: (transfer none): The tag, or %NULL if none by that name is in the table.
**/
GtkTextTag*
gtk_text_tag_table_lookup (GtkTextTagTable *table,
gtk_text_tag_table_remove (GtkTextTagTable *table,
GtkTextTag *tag)
{
+ GSList *tmp;
+
g_return_if_fail (GTK_IS_TEXT_TAG_TABLE (table));
g_return_if_fail (GTK_IS_TEXT_TAG (tag));
g_return_if_fail (tag->table == table);
+ /* Our little bad hack to be sure buffers don't still have the tag
+ * applied to text in the buffer
+ */
+ tmp = table->buffers;
+ while (tmp != NULL)
+ {
+ _gtk_text_buffer_notify_will_remove_tag (GTK_TEXT_BUFFER (tmp->data),
+ tag);
+
+ tmp = tmp->next;
+ }
+
/* Set ourselves to the highest priority; this means
when we're removed, there won't be any gaps in the
priorities of the tags in the table. */
- gtk_text_tag_set_priority (tag, gtk_text_tag_table_size (table) - 1);
+ gtk_text_tag_set_priority (tag, gtk_text_tag_table_get_size (table) - 1);
tag->table = NULL;
table->anon_count -= 1;
}
- gtk_signal_emit (GTK_OBJECT (table), signals[TAG_REMOVED], tag);
+ g_signal_emit (table, signals[TAG_REMOVED], 0, tag);
- gtk_object_unref (GTK_OBJECT (tag));
+ g_object_unref (tag);
}
struct ForeachData
* @data: user data
*
* Calls @func on each tag in @table, with user data @data.
- *
+ * Note that the table may not be modified while iterating
+ * over it (you can't add/remove tags).
**/
void
gtk_text_tag_table_foreach (GtkTextTagTable *table,
}
/**
- * gtk_text_tag_table_size:
+ * gtk_text_tag_table_get_size:
* @table: a #GtkTextTagTable
*
* Returns the size of the table (number of tags)
* Return value: number of tags in @table
**/
gint
-gtk_text_tag_table_size (GtkTextTagTable *table)
+gtk_text_tag_table_get_size (GtkTextTagTable *table)
{
g_return_val_if_fail (GTK_IS_TEXT_TAG_TABLE (table), 0);
return g_hash_table_size (table->hash) + table->anon_count;
}
+
+void
+_gtk_text_tag_table_add_buffer (GtkTextTagTable *table,
+ gpointer buffer)
+{
+ g_return_if_fail (GTK_IS_TEXT_TAG_TABLE (table));
+
+ table->buffers = g_slist_prepend (table->buffers, buffer);
+}
+
+static void
+foreach_remove_tag (GtkTextTag *tag, gpointer data)
+{
+ GtkTextBuffer *buffer;
+
+ buffer = GTK_TEXT_BUFFER (data);
+
+ _gtk_text_buffer_notify_will_remove_tag (buffer, tag);
+}
+
+void
+_gtk_text_tag_table_remove_buffer (GtkTextTagTable *table,
+ gpointer buffer)
+{
+ g_return_if_fail (GTK_IS_TEXT_TAG_TABLE (table));
+
+ gtk_text_tag_table_foreach (table, foreach_remove_tag, buffer);
+
+ table->buffers = g_slist_remove (table->buffers, buffer);
+}
+
+#define __GTK_TEXT_TAG_TABLE_C__
+#include "gtkaliasdef.c"