aa291863bb
These functions match closely to the AtkText interface; they will be used in the GtkTextView accessible implementation. Keep them private for now.
411 lines
20 KiB
C
411 lines
20 KiB
C
/* GTK - The GIMP Toolkit
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* gtktextbuffer.h Copyright (C) 2000 Red Hat, Inc.
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __GTK_TEXT_BUFFER_H__
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#define __GTK_TEXT_BUFFER_H__
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#include <gtk/gtkwidget.h>
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#include <gtk/gtkclipboard.h>
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#include <gtk/gtktexttagtable.h>
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#include <gtk/gtktextiter.h>
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#include <gtk/gtktextmark.h>
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#include <gtk/gtktextchild.h>
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G_BEGIN_DECLS
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/*
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* This is the PUBLIC representation of a text buffer.
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* GtkTextBTree is the PRIVATE internal representation of it.
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*/
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/* these values are used as "info" for the targets contained in the
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* lists returned by gtk_text_buffer_get_copy,paste_target_list()
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*
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* the enum counts down from G_MAXUINT to avoid clashes with application
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* added drag destinations which usually start at 0.
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*/
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typedef enum
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{
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GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS = - 1,
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GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT = - 2,
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GTK_TEXT_BUFFER_TARGET_INFO_TEXT = - 3
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} GtkTextBufferTargetInfo;
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typedef struct _GtkTextBTree GtkTextBTree;
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#define GTK_TYPE_TEXT_BUFFER (gtk_text_buffer_get_type ())
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#define GTK_TEXT_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TEXT_BUFFER, GtkTextBuffer))
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#define GTK_TEXT_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_BUFFER, GtkTextBufferClass))
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#define GTK_IS_TEXT_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TEXT_BUFFER))
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#define GTK_IS_TEXT_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_BUFFER))
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#define GTK_TEXT_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TEXT_BUFFER, GtkTextBufferClass))
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typedef struct _GtkTextBufferPrivate GtkTextBufferPrivate;
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typedef struct _GtkTextBufferClass GtkTextBufferClass;
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struct _GtkTextBuffer
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{
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GObject parent_instance;
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GtkTextBufferPrivate *priv;
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};
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struct _GtkTextBufferClass
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{
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GObjectClass parent_class;
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void (* insert_text) (GtkTextBuffer *buffer,
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GtkTextIter *pos,
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const gchar *new_text,
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gint new_text_length);
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void (* insert_pixbuf) (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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GdkPixbuf *pixbuf);
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void (* insert_child_anchor) (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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GtkTextChildAnchor *anchor);
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void (* delete_range) (GtkTextBuffer *buffer,
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GtkTextIter *start,
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GtkTextIter *end);
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/* Only for text/widgets/pixbuf changed, marks/tags don't cause this
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* to be emitted
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*/
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void (* changed) (GtkTextBuffer *buffer);
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/* New value for the modified flag */
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void (* modified_changed) (GtkTextBuffer *buffer);
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/* Mark moved or created */
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void (* mark_set) (GtkTextBuffer *buffer,
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const GtkTextIter *location,
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GtkTextMark *mark);
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void (* mark_deleted) (GtkTextBuffer *buffer,
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GtkTextMark *mark);
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void (* apply_tag) (GtkTextBuffer *buffer,
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GtkTextTag *tag,
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const GtkTextIter *start,
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const GtkTextIter *end);
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void (* remove_tag) (GtkTextBuffer *buffer,
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GtkTextTag *tag,
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const GtkTextIter *start,
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const GtkTextIter *end);
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/* Called at the start and end of an atomic user action */
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void (* begin_user_action) (GtkTextBuffer *buffer);
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void (* end_user_action) (GtkTextBuffer *buffer);
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void (* paste_done) (GtkTextBuffer *buffer,
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GtkClipboard *clipboard);
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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};
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GType gtk_text_buffer_get_type (void) G_GNUC_CONST;
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/* table is NULL to create a new one */
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GtkTextBuffer *gtk_text_buffer_new (GtkTextTagTable *table);
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gint gtk_text_buffer_get_line_count (GtkTextBuffer *buffer);
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gint gtk_text_buffer_get_char_count (GtkTextBuffer *buffer);
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GtkTextTagTable* gtk_text_buffer_get_tag_table (GtkTextBuffer *buffer);
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/* Delete whole buffer, then insert */
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void gtk_text_buffer_set_text (GtkTextBuffer *buffer,
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const gchar *text,
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gint len);
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/* Insert into the buffer */
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void gtk_text_buffer_insert (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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const gchar *text,
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gint len);
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void gtk_text_buffer_insert_at_cursor (GtkTextBuffer *buffer,
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const gchar *text,
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gint len);
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gboolean gtk_text_buffer_insert_interactive (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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const gchar *text,
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gint len,
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gboolean default_editable);
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gboolean gtk_text_buffer_insert_interactive_at_cursor (GtkTextBuffer *buffer,
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const gchar *text,
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gint len,
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gboolean default_editable);
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void gtk_text_buffer_insert_range (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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const GtkTextIter *start,
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const GtkTextIter *end);
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gboolean gtk_text_buffer_insert_range_interactive (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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const GtkTextIter *start,
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const GtkTextIter *end,
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gboolean default_editable);
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void gtk_text_buffer_insert_with_tags (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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const gchar *text,
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gint len,
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GtkTextTag *first_tag,
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...) G_GNUC_NULL_TERMINATED;
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void gtk_text_buffer_insert_with_tags_by_name (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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const gchar *text,
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gint len,
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const gchar *first_tag_name,
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...) G_GNUC_NULL_TERMINATED;
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/* Delete from the buffer */
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void gtk_text_buffer_delete (GtkTextBuffer *buffer,
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GtkTextIter *start,
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GtkTextIter *end);
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gboolean gtk_text_buffer_delete_interactive (GtkTextBuffer *buffer,
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GtkTextIter *start_iter,
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GtkTextIter *end_iter,
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gboolean default_editable);
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gboolean gtk_text_buffer_backspace (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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gboolean interactive,
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gboolean default_editable);
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/* Obtain strings from the buffer */
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gchar *gtk_text_buffer_get_text (GtkTextBuffer *buffer,
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const GtkTextIter *start,
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const GtkTextIter *end,
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gboolean include_hidden_chars);
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gchar *gtk_text_buffer_get_slice (GtkTextBuffer *buffer,
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const GtkTextIter *start,
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const GtkTextIter *end,
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gboolean include_hidden_chars);
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/* Insert a pixbuf */
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void gtk_text_buffer_insert_pixbuf (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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GdkPixbuf *pixbuf);
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/* Insert a child anchor */
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void gtk_text_buffer_insert_child_anchor (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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GtkTextChildAnchor *anchor);
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/* Convenience, create and insert a child anchor */
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GtkTextChildAnchor *gtk_text_buffer_create_child_anchor (GtkTextBuffer *buffer,
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GtkTextIter *iter);
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/* Mark manipulation */
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void gtk_text_buffer_add_mark (GtkTextBuffer *buffer,
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GtkTextMark *mark,
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const GtkTextIter *where);
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GtkTextMark *gtk_text_buffer_create_mark (GtkTextBuffer *buffer,
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const gchar *mark_name,
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const GtkTextIter *where,
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gboolean left_gravity);
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void gtk_text_buffer_move_mark (GtkTextBuffer *buffer,
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GtkTextMark *mark,
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const GtkTextIter *where);
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void gtk_text_buffer_delete_mark (GtkTextBuffer *buffer,
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GtkTextMark *mark);
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GtkTextMark* gtk_text_buffer_get_mark (GtkTextBuffer *buffer,
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const gchar *name);
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void gtk_text_buffer_move_mark_by_name (GtkTextBuffer *buffer,
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const gchar *name,
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const GtkTextIter *where);
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void gtk_text_buffer_delete_mark_by_name (GtkTextBuffer *buffer,
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const gchar *name);
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GtkTextMark* gtk_text_buffer_get_insert (GtkTextBuffer *buffer);
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GtkTextMark* gtk_text_buffer_get_selection_bound (GtkTextBuffer *buffer);
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/* efficiently move insert and selection_bound at the same time */
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void gtk_text_buffer_place_cursor (GtkTextBuffer *buffer,
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const GtkTextIter *where);
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void gtk_text_buffer_select_range (GtkTextBuffer *buffer,
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const GtkTextIter *ins,
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const GtkTextIter *bound);
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/* Tag manipulation */
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void gtk_text_buffer_apply_tag (GtkTextBuffer *buffer,
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GtkTextTag *tag,
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const GtkTextIter *start,
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const GtkTextIter *end);
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void gtk_text_buffer_remove_tag (GtkTextBuffer *buffer,
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GtkTextTag *tag,
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const GtkTextIter *start,
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const GtkTextIter *end);
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void gtk_text_buffer_apply_tag_by_name (GtkTextBuffer *buffer,
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const gchar *name,
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const GtkTextIter *start,
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const GtkTextIter *end);
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void gtk_text_buffer_remove_tag_by_name (GtkTextBuffer *buffer,
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const gchar *name,
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const GtkTextIter *start,
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const GtkTextIter *end);
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void gtk_text_buffer_remove_all_tags (GtkTextBuffer *buffer,
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const GtkTextIter *start,
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const GtkTextIter *end);
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/* You can either ignore the return value, or use it to
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* set the attributes of the tag. tag_name can be NULL
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*/
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GtkTextTag *gtk_text_buffer_create_tag (GtkTextBuffer *buffer,
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const gchar *tag_name,
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const gchar *first_property_name,
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...);
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/* Obtain iterators pointed at various places, then you can move the
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* iterator around using the GtkTextIter operators
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*/
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void gtk_text_buffer_get_iter_at_line_offset (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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gint line_number,
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gint char_offset);
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void gtk_text_buffer_get_iter_at_line_index (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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gint line_number,
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gint byte_index);
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void gtk_text_buffer_get_iter_at_offset (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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gint char_offset);
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void gtk_text_buffer_get_iter_at_line (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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gint line_number);
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void gtk_text_buffer_get_start_iter (GtkTextBuffer *buffer,
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GtkTextIter *iter);
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void gtk_text_buffer_get_end_iter (GtkTextBuffer *buffer,
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GtkTextIter *iter);
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void gtk_text_buffer_get_bounds (GtkTextBuffer *buffer,
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GtkTextIter *start,
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GtkTextIter *end);
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void gtk_text_buffer_get_iter_at_mark (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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GtkTextMark *mark);
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void gtk_text_buffer_get_iter_at_child_anchor (GtkTextBuffer *buffer,
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GtkTextIter *iter,
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GtkTextChildAnchor *anchor);
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/* There's no get_first_iter because you just get the iter for
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line or char 0 */
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/* Used to keep track of whether the buffer needs saving; anytime the
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buffer contents change, the modified flag is turned on. Whenever
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you save, turn it off. Tags and marks do not affect the modified
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flag, but if you would like them to you can connect a handler to
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the tag/mark signals and call set_modified in your handler */
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gboolean gtk_text_buffer_get_modified (GtkTextBuffer *buffer);
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void gtk_text_buffer_set_modified (GtkTextBuffer *buffer,
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gboolean setting);
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gboolean gtk_text_buffer_get_has_selection (GtkTextBuffer *buffer);
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void gtk_text_buffer_add_selection_clipboard (GtkTextBuffer *buffer,
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GtkClipboard *clipboard);
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void gtk_text_buffer_remove_selection_clipboard (GtkTextBuffer *buffer,
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GtkClipboard *clipboard);
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void gtk_text_buffer_cut_clipboard (GtkTextBuffer *buffer,
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GtkClipboard *clipboard,
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gboolean default_editable);
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void gtk_text_buffer_copy_clipboard (GtkTextBuffer *buffer,
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GtkClipboard *clipboard);
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void gtk_text_buffer_paste_clipboard (GtkTextBuffer *buffer,
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GtkClipboard *clipboard,
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GtkTextIter *override_location,
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gboolean default_editable);
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gboolean gtk_text_buffer_get_selection_bounds (GtkTextBuffer *buffer,
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GtkTextIter *start,
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GtkTextIter *end);
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gboolean gtk_text_buffer_delete_selection (GtkTextBuffer *buffer,
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gboolean interactive,
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gboolean default_editable);
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/* Called to specify atomic user actions, used to implement undo */
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void gtk_text_buffer_begin_user_action (GtkTextBuffer *buffer);
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void gtk_text_buffer_end_user_action (GtkTextBuffer *buffer);
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GtkTargetList * gtk_text_buffer_get_copy_target_list (GtkTextBuffer *buffer);
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GtkTargetList * gtk_text_buffer_get_paste_target_list (GtkTextBuffer *buffer);
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/* INTERNAL private stuff */
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void _gtk_text_buffer_spew (GtkTextBuffer *buffer);
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GtkTextBTree* _gtk_text_buffer_get_btree (GtkTextBuffer *buffer);
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const PangoLogAttr* _gtk_text_buffer_get_line_log_attrs (GtkTextBuffer *buffer,
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const GtkTextIter *anywhere_in_line,
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gint *char_len);
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void _gtk_text_buffer_notify_will_remove_tag (GtkTextBuffer *buffer,
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GtkTextTag *tag);
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void _gtk_text_buffer_get_text_before (GtkTextBuffer *buffer,
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AtkTextBoundary boundary_type,
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GtkTextIter *position,
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GtkTextIter *start,
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GtkTextIter *end);
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void _gtk_text_buffer_get_text_at (GtkTextBuffer *buffer,
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AtkTextBoundary boundary_type,
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GtkTextIter *position,
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GtkTextIter *start,
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GtkTextIter *end);
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void _gtk_text_buffer_get_text_after (GtkTextBuffer *buffer,
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AtkTextBoundary boundary_type,
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GtkTextIter *position,
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GtkTextIter *start,
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GtkTextIter *end);
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G_END_DECLS
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#endif
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