text: Implement ClutterTextBuffer
* Abstracts the buffer for text in ClutterText * Allows implementation of undo/redo. * Allows use of non-pageable memory for text in the case of sensitive passwords. * Implement a test with two ClutterText using the same buffer. https://bugzilla.gnome.org/show_bug.cgi?id=652653
This commit is contained in:
Stef Walter
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Emmanuele Bassi
Emmanuele Bassi
parent
d95bdf3a07
commit
c073764369
139
clutter/clutter-text-buffer.h
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139
clutter/clutter-text-buffer.h
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/* clutter-text-buffer.h
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* Copyright (C) 2011 Collabora Ltd.
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Stef Walter <stefw@collabora.co.uk>
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_TEXT_BUFFER_H__
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#define __CLUTTER_TEXT_BUFFER_H__
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#include <glib-object.h>
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G_BEGIN_DECLS
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/* Maximum size of text buffer, in bytes */
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#define CLUTTER_TEXT_BUFFER_MAX_SIZE G_MAXUSHORT
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#define CLUTTER_TYPE_TEXT_BUFFER (clutter_text_buffer_get_type ())
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#define CLUTTER_TEXT_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TEXT_BUFFER, ClutterTextBuffer))
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#define CLUTTER_TEXT_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_TEXT_BUFFER, ClutterTextBufferClass))
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#define CLUTTER_IS_TEXT_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TEXT_BUFFER))
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#define CLUTTER_IS_TEXT_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_TEXT_BUFFER))
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#define CLUTTER_TEXT_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_TEXT_BUFFER, ClutterTextBufferClass))
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typedef struct _ClutterTextBuffer ClutterTextBuffer;
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typedef struct _ClutterTextBufferClass ClutterTextBufferClass;
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typedef struct _ClutterTextBufferPrivate ClutterTextBufferPrivate;
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struct _ClutterTextBuffer
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{
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GObject parent_instance;
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/*< private >*/
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ClutterTextBufferPrivate *priv;
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};
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struct _ClutterTextBufferClass
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{
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GObjectClass parent_class;
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/* Signals */
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void (*inserted_text) (ClutterTextBuffer *buffer,
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guint position,
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const gchar *chars,
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guint n_chars);
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void (*deleted_text) (ClutterTextBuffer *buffer,
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guint position,
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guint n_chars);
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/* Virtual Methods */
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const gchar* (*get_text) (ClutterTextBuffer *buffer,
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gsize *n_bytes);
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guint (*get_length) (ClutterTextBuffer *buffer);
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guint (*insert_text) (ClutterTextBuffer *buffer,
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guint position,
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const gchar *chars,
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guint n_chars);
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guint (*delete_text) (ClutterTextBuffer *buffer,
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guint position,
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guint n_chars);
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/* Padding for future expansion */
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void (*_clutter_reserved1) (void);
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void (*_clutter_reserved2) (void);
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void (*_clutter_reserved3) (void);
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void (*_clutter_reserved4) (void);
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void (*_clutter_reserved5) (void);
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void (*_clutter_reserved6) (void);
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void (*_clutter_reserved7) (void);
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void (*_clutter_reserved8) (void);
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};
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GType clutter_text_buffer_get_type (void) G_GNUC_CONST;
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ClutterTextBuffer* clutter_text_buffer_new (void);
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ClutterTextBuffer* clutter_text_buffer_new_with_text (const gchar *text,
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gssize text_len);
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gsize clutter_text_buffer_get_bytes (ClutterTextBuffer *buffer);
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guint clutter_text_buffer_get_length (ClutterTextBuffer *buffer);
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const gchar* clutter_text_buffer_get_text (ClutterTextBuffer *buffer);
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void clutter_text_buffer_set_text (ClutterTextBuffer *buffer,
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const gchar *chars,
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gint n_chars);
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void clutter_text_buffer_set_max_length (ClutterTextBuffer *buffer,
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gint max_length);
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gint clutter_text_buffer_get_max_length (ClutterTextBuffer *buffer);
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guint clutter_text_buffer_insert_text (ClutterTextBuffer *buffer,
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guint position,
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const gchar *chars,
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gint n_chars);
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guint clutter_text_buffer_delete_text (ClutterTextBuffer *buffer,
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guint position,
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gint n_chars);
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void clutter_text_buffer_emit_inserted_text (ClutterTextBuffer *buffer,
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guint position,
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const gchar *chars,
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guint n_chars);
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void clutter_text_buffer_emit_deleted_text (ClutterTextBuffer *buffer,
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guint position,
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guint n_chars);
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G_END_DECLS
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#endif /* __CLUTTER_TEXT_BUFFER_H__ */
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