-/* gtktextbuffer.c - the "model" in the MVC text widget architecture
- * Copyright (c) 2000 Red Hat, Inc.
- * Developed by Havoc Pennington
+/* GTK - The GIMP Toolkit
+ * gtktextbuffer.c Copyright (C) 2000 Red Hat, Inc.
+ * Copyright (C) 2004 Nokia Corporation
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
*/
+/*
+ * 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 <string.h>
+#include <stdarg.h>
+
+#define GTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
+#include "gtkclipboard.h"
+#include "gtkdnd.h"
#include "gtkinvisible.h"
-#include "gtkselection.h"
-#include "gtksignal.h"
+#include "gtkmarshalers.h"
#include "gtktextbuffer.h"
+#include "gtktextbufferrichtext.h"
#include "gtktextbtree.h"
#include "gtktextiterprivate.h"
+#include "gtktexttagprivate.h"
+#include "gtkprivate.h"
+#include "gtkintl.h"
+
+
+/**
+ * SECTION:gtktextbuffer
+ * @Short_description: Stores attributed text for display in a GtkTextView
+ * @Title: GtkTextBuffer
+ * @See_also: #GtkTextView, #GtkTextIter, #GtkTextMark
+ *
+ * You may wish to begin by reading the <link linkend="TextWidget">text widget
+ * conceptual overview</link> which gives an overview of all the objects and data
+ * types related to the text widget and how they work together.
+ */
+
+
+typedef struct _GtkTextLogAttrCache GtkTextLogAttrCache;
+
+struct _GtkTextBufferPrivate
+{
+ GtkTargetList *copy_target_list;
+ GtkTargetEntry *copy_target_entries;
+ GtkTargetList *paste_target_list;
+ GtkTargetEntry *paste_target_entries;
+
+ gint n_copy_target_entries;
+ gint n_paste_target_entries;
+
+ GtkTextTagTable *tag_table;
+ GtkTextBTree *btree;
+
+ GSList *clipboard_contents_buffers;
+ GSList *selection_clipboards;
+
+ GtkTextLogAttrCache *log_attr_cache;
+
+ guint user_action_count;
+
+ /* Whether the buffer has been modified since last save */
+ guint modified : 1;
+ guint has_selection : 1;
+};
+
+
+typedef struct _ClipboardRequest ClipboardRequest;
+
+struct _ClipboardRequest
+{
+ GtkTextBuffer *buffer;
+ guint interactive : 1;
+ guint default_editable : 1;
+ guint replace_selection : 1;
+};
enum {
INSERT_TEXT,
- DELETE_TEXT,
+ INSERT_PIXBUF,
+ INSERT_CHILD_ANCHOR,
+ DELETE_RANGE,
CHANGED,
MODIFIED_CHANGED,
MARK_SET,
MARK_DELETED,
APPLY_TAG,
REMOVE_TAG,
+ BEGIN_USER_ACTION,
+ END_USER_ACTION,
+ PASTE_DONE,
LAST_SIGNAL
};
enum {
- ARG_0,
- LAST_ARG
-};
+ PROP_0,
-enum {
- TARGET_STRING,
- TARGET_TEXT,
- TARGET_COMPOUND_TEXT,
- TARGET_UTF8_STRING
+ /* Construct */
+ PROP_TAG_TABLE,
+
+ /* Normal */
+ PROP_TEXT,
+ PROP_HAS_SELECTION,
+ PROP_CURSOR_POSITION,
+ PROP_COPY_TARGET_LIST,
+ PROP_PASTE_TARGET_LIST
};
-static void gtk_text_buffer_init (GtkTextBuffer *tkxt_buffer);
-static void gtk_text_buffer_class_init (GtkTextBufferClass *klass);
-static void gtk_text_buffer_destroy (GtkObject *object);
static void gtk_text_buffer_finalize (GObject *object);
-
-static void gtk_text_buffer_update_primary_selection (GtkTextBuffer *buffer);
-static void gtk_text_buffer_update_clipboard_selection (GtkTextBuffer *buffer);
static void gtk_text_buffer_real_insert_text (GtkTextBuffer *buffer,
GtkTextIter *iter,
const gchar *text,
gint len);
-static void gtk_text_buffer_real_delete_text (GtkTextBuffer *buffer,
+static void gtk_text_buffer_real_insert_pixbuf (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ GdkPixbuf *pixbuf);
+static void gtk_text_buffer_real_insert_anchor (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ GtkTextChildAnchor *anchor);
+static void gtk_text_buffer_real_delete_range (GtkTextBuffer *buffer,
GtkTextIter *start,
GtkTextIter *end);
static void gtk_text_buffer_real_apply_tag (GtkTextBuffer *buffer,
GtkTextTag *tag,
const GtkTextIter *start_char,
const GtkTextIter *end_char);
+static void gtk_text_buffer_real_changed (GtkTextBuffer *buffer);
+static void gtk_text_buffer_real_mark_set (GtkTextBuffer *buffer,
+ const GtkTextIter *iter,
+ GtkTextMark *mark);
+static GtkTextBTree* get_btree (GtkTextBuffer *buffer);
+static void free_log_attr_cache (GtkTextLogAttrCache *cache);
-void gtk_marshal_NONE__INT_POINTER_INT (GtkObject *object,
- GtkSignalFunc func,
- gpointer func_data,
- GtkArg *args);
-
-static GdkAtom clipboard_atom = GDK_NONE;
-static GdkAtom text_atom = GDK_NONE;
-static GdkAtom ctext_atom = GDK_NONE;
-static GdkAtom utf8_atom = GDK_NONE;
+static void remove_all_selection_clipboards (GtkTextBuffer *buffer);
+static void update_selection_clipboards (GtkTextBuffer *buffer);
-static GtkObjectClass *parent_class = NULL;
-static guint signals[LAST_SIGNAL] = { 0 };
+static GtkTextBuffer *create_clipboard_contents_buffer (GtkTextBuffer *buffer);
-GtkType
-gtk_text_buffer_get_type (void)
-{
- static GtkType our_type = 0;
+static void gtk_text_buffer_free_target_lists (GtkTextBuffer *buffer);
- if (our_type == 0)
- {
- static const GtkTypeInfo our_info =
- {
- "GtkTextBuffer",
- sizeof (GtkTextBuffer),
- sizeof (GtkTextBufferClass),
- (GtkClassInitFunc) gtk_text_buffer_class_init,
- (GtkObjectInitFunc) gtk_text_buffer_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL
- };
+static guint signals[LAST_SIGNAL] = { 0 };
- our_type = gtk_type_unique (GTK_TYPE_OBJECT, &our_info);
- }
+static void gtk_text_buffer_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gtk_text_buffer_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gtk_text_buffer_notify (GObject *object,
+ GParamSpec *pspec);
- return our_type;
-}
+G_DEFINE_TYPE (GtkTextBuffer, gtk_text_buffer, G_TYPE_OBJECT)
static void
gtk_text_buffer_class_init (GtkTextBufferClass *klass)
{
- GtkObjectClass *object_class = (GtkObjectClass*) klass;
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
- parent_class = gtk_type_class (GTK_TYPE_OBJECT);
+ object_class->finalize = gtk_text_buffer_finalize;
+ object_class->set_property = gtk_text_buffer_set_property;
+ object_class->get_property = gtk_text_buffer_get_property;
+ object_class->notify = gtk_text_buffer_notify;
+
+ klass->insert_text = gtk_text_buffer_real_insert_text;
+ klass->insert_pixbuf = gtk_text_buffer_real_insert_pixbuf;
+ klass->insert_child_anchor = gtk_text_buffer_real_insert_anchor;
+ klass->delete_range = gtk_text_buffer_real_delete_range;
+ klass->apply_tag = gtk_text_buffer_real_apply_tag;
+ klass->remove_tag = gtk_text_buffer_real_remove_tag;
+ klass->changed = gtk_text_buffer_real_changed;
+ klass->mark_set = gtk_text_buffer_real_mark_set;
+
+ /* Construct */
+ g_object_class_install_property (object_class,
+ PROP_TAG_TABLE,
+ g_param_spec_object ("tag-table",
+ P_("Tag Table"),
+ P_("Text Tag Table"),
+ GTK_TYPE_TEXT_TAG_TABLE,
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+ /* Normal properties*/
+ /**
+ * GtkTextBuffer:text:
+ *
+ * The text content of the buffer. Without child widgets and images,
+ * see gtk_text_buffer_get_text() for more information.
+ *
+ * Since: 2.8
+ */
+ g_object_class_install_property (object_class,
+ PROP_TEXT,
+ g_param_spec_string ("text",
+ P_("Text"),
+ P_("Current text of the buffer"),
+ "",
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkTextBuffer:has-selection:
+ *
+ * Whether the buffer has some text currently selected.
+ *
+ * Since: 2.10
+ */
+ g_object_class_install_property (object_class,
+ PROP_HAS_SELECTION,
+ g_param_spec_boolean ("has-selection",
+ P_("Has selection"),
+ P_("Whether the buffer has some text currently selected"),
+ FALSE,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkTextBuffer:cursor-position:
+ *
+ * The position of the insert mark (as offset from the beginning
+ * of the buffer). It is useful for getting notified when the
+ * cursor moves.
+ *
+ * Since: 2.10
+ */
+ g_object_class_install_property (object_class,
+ PROP_CURSOR_POSITION,
+ g_param_spec_int ("cursor-position",
+ P_("Cursor position"),
+ P_("The position of the insert mark (as offset from the beginning of the buffer)"),
+ 0, G_MAXINT, 0,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkTextBuffer:copy-target-list:
+ *
+ * The list of targets this buffer supports for clipboard copying
+ * and as DND source.
+ *
+ * Since: 2.10
+ */
+ g_object_class_install_property (object_class,
+ PROP_COPY_TARGET_LIST,
+ g_param_spec_boxed ("copy-target-list",
+ P_("Copy target list"),
+ P_("The list of targets this buffer supports for clipboard copying and DND source"),
+ GTK_TYPE_TARGET_LIST,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkTextBuffer:paste-target-list:
+ *
+ * The list of targets this buffer supports for clipboard pasting
+ * and as DND destination.
+ *
+ * Since: 2.10
+ */
+ g_object_class_install_property (object_class,
+ PROP_PASTE_TARGET_LIST,
+ g_param_spec_boxed ("paste-target-list",
+ P_("Paste target list"),
+ P_("The list of targets this buffer supports for clipboard pasting and DND destination"),
+ GTK_TYPE_TARGET_LIST,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkTextBuffer::insert-text:
+ * @textbuffer: the object which received the signal
+ * @location: position to insert @text in @textbuffer
+ * @text: the UTF-8 text to be inserted
+ * @len: length of the inserted text in bytes
+ *
+ * The ::insert-text signal is emitted to insert text in a #GtkTextBuffer.
+ * Insertion actually occurs in the default handler.
+ *
+ * Note that if your handler runs before the default handler it must not
+ * invalidate the @location iter (or has to revalidate it).
+ * The default signal handler revalidates it to point to the end of the
+ * inserted text.
+ *
+ * See also:
+ * gtk_text_buffer_insert(),
+ * gtk_text_buffer_insert_range().
+ */
signals[INSERT_TEXT] =
- gtk_signal_new ("insert_text",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, insert_text),
- gtk_marshal_NONE__INT_POINTER_INT,
- GTK_TYPE_NONE,
- 3,
- GTK_TYPE_INT,
- GTK_TYPE_POINTER,
- GTK_TYPE_INT);
-
- signals[DELETE_TEXT] =
- gtk_signal_new ("delete_text",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, delete_text),
- gtk_marshal_NONE__INT_INT,
- GTK_TYPE_NONE,
- 2,
- GTK_TYPE_INT,
- GTK_TYPE_INT);
-
+ g_signal_new (I_("insert-text"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, insert_text),
+ NULL, NULL,
+ _gtk_marshal_VOID__BOXED_STRING_INT,
+ G_TYPE_NONE,
+ 3,
+ GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE,
+ G_TYPE_STRING | G_SIGNAL_TYPE_STATIC_SCOPE,
+ G_TYPE_INT);
+ g_signal_set_va_marshaller (signals[INSERT_TEXT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_VOID__BOXED_STRING_INTv);
+
+ /**
+ * GtkTextBuffer::insert-pixbuf:
+ * @textbuffer: the object which received the signal
+ * @location: position to insert @pixbuf in @textbuffer
+ * @pixbuf: the #GdkPixbuf to be inserted
+ *
+ * The ::insert-pixbuf signal is emitted to insert a #GdkPixbuf
+ * in a #GtkTextBuffer. Insertion actually occurs in the default handler.
+ *
+ * Note that if your handler runs before the default handler it must not
+ * invalidate the @location iter (or has to revalidate it).
+ * The default signal handler revalidates it to be placed after the
+ * inserted @pixbuf.
+ *
+ * See also: gtk_text_buffer_insert_pixbuf().
+ */
+ signals[INSERT_PIXBUF] =
+ g_signal_new (I_("insert-pixbuf"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, insert_pixbuf),
+ NULL, NULL,
+ _gtk_marshal_VOID__BOXED_OBJECT,
+ G_TYPE_NONE,
+ 2,
+ GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE,
+ GDK_TYPE_PIXBUF);
+
+
+ /**
+ * GtkTextBuffer::insert-child-anchor:
+ * @textbuffer: the object which received the signal
+ * @location: position to insert @anchor in @textbuffer
+ * @anchor: the #GtkTextChildAnchor to be inserted
+ *
+ * The ::insert-child-anchor signal is emitted to insert a
+ * #GtkTextChildAnchor in a #GtkTextBuffer.
+ * Insertion actually occurs in the default handler.
+ *
+ * Note that if your handler runs before the default handler it must
+ * not invalidate the @location iter (or has to revalidate it).
+ * The default signal handler revalidates it to be placed after the
+ * inserted @anchor.
+ *
+ * See also: gtk_text_buffer_insert_child_anchor().
+ */
+ signals[INSERT_CHILD_ANCHOR] =
+ g_signal_new (I_("insert-child-anchor"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, insert_child_anchor),
+ NULL, NULL,
+ _gtk_marshal_VOID__BOXED_OBJECT,
+ G_TYPE_NONE,
+ 2,
+ GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE,
+ GTK_TYPE_TEXT_CHILD_ANCHOR);
+
+ /**
+ * GtkTextBuffer::delete-range:
+ * @textbuffer: the object which received the signal
+ * @start: the start of the range to be deleted
+ * @end: the end of the range to be deleted
+ *
+ * The ::delete-range signal is emitted to delete a range
+ * from a #GtkTextBuffer.
+ *
+ * Note that if your handler runs before the default handler it must not
+ * invalidate the @start and @end iters (or has to revalidate them).
+ * The default signal handler revalidates the @start and @end iters to
+ * both point point to the location where text was deleted. Handlers
+ * which run after the default handler (see g_signal_connect_after())
+ * do not have access to the deleted text.
+ *
+ * See also: gtk_text_buffer_delete().
+ */
+ signals[DELETE_RANGE] =
+ g_signal_new (I_("delete-range"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, delete_range),
+ NULL, NULL,
+ _gtk_marshal_VOID__BOXED_BOXED,
+ G_TYPE_NONE,
+ 2,
+ GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE,
+ GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE);
+
+ /**
+ * GtkTextBuffer::changed:
+ * @textbuffer: the object which received the signal
+ *
+ * The ::changed signal is emitted when the content of a #GtkTextBuffer
+ * has changed.
+ */
signals[CHANGED] =
- gtk_signal_new ("changed",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, changed),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE,
- 0);
-
+ g_signal_new (I_("changed"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, changed),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ /**
+ * GtkTextBuffer::modified-changed:
+ * @textbuffer: the object which received the signal
+ *
+ * The ::modified-changed signal is emitted when the modified bit of a
+ * #GtkTextBuffer flips.
+ *
+ * See also:
+ * gtk_text_buffer_set_modified().
+ */
signals[MODIFIED_CHANGED] =
- gtk_signal_new ("modified_changed",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, modified_changed),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE,
- 0);
-
+ g_signal_new (I_("modified-changed"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, modified_changed),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ /**
+ * GtkTextBuffer::mark-set:
+ * @textbuffer: the object which received the signal
+ * @location: The location of @mark in @textbuffer
+ * @mark: The mark that is set
+ *
+ * The ::mark-set signal is emitted as notification
+ * after a #GtkTextMark is set.
+ *
+ * See also:
+ * gtk_text_buffer_create_mark(),
+ * gtk_text_buffer_move_mark().
+ */
signals[MARK_SET] =
- gtk_signal_new ("mark_set",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, mark_set),
- gtk_marshal_NONE__POINTER_POINTER,
- GTK_TYPE_NONE,
- 2,
- GTK_TYPE_POINTER,
- GTK_TYPE_POINTER);
-
+ g_signal_new (I_("mark-set"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, mark_set),
+ NULL, NULL,
+ _gtk_marshal_VOID__BOXED_OBJECT,
+ G_TYPE_NONE,
+ 2,
+ GTK_TYPE_TEXT_ITER,
+ GTK_TYPE_TEXT_MARK);
+
+ /**
+ * GtkTextBuffer::mark-deleted:
+ * @textbuffer: the object which received the signal
+ * @mark: The mark that was deleted
+ *
+ * The ::mark-deleted signal is emitted as notification
+ * after a #GtkTextMark is deleted.
+ *
+ * See also:
+ * gtk_text_buffer_delete_mark().
+ */
signals[MARK_DELETED] =
- gtk_signal_new ("mark_deleted",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, mark_deleted),
- gtk_marshal_NONE__POINTER,
- GTK_TYPE_NONE,
- 1,
- GTK_TYPE_POINTER);
-
+ g_signal_new (I_("mark-deleted"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, mark_deleted),
+ NULL, NULL,
+ _gtk_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1,
+ GTK_TYPE_TEXT_MARK);
+
+ /**
+ * GtkTextBuffer::apply-tag:
+ * @textbuffer: the object which received the signal
+ * @tag: the applied tag
+ * @start: the start of the range the tag is applied to
+ * @end: the end of the range the tag is applied to
+ *
+ * The ::apply-tag signal is emitted to apply a tag to a
+ * range of text in a #GtkTextBuffer.
+ * Applying actually occurs in the default handler.
+ *
+ * Note that if your handler runs before the default handler it must not
+ * invalidate the @start and @end iters (or has to revalidate them).
+ *
+ * See also:
+ * gtk_text_buffer_apply_tag(),
+ * gtk_text_buffer_insert_with_tags(),
+ * gtk_text_buffer_insert_range().
+ */
signals[APPLY_TAG] =
- gtk_signal_new ("apply_tag",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, apply_tag),
- gtk_marshal_NONE__POINTER_INT_INT,
- GTK_TYPE_NONE,
- 3,
- GTK_TYPE_POINTER,
- GTK_TYPE_INT,
- GTK_TYPE_INT);
-
+ g_signal_new (I_("apply-tag"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, apply_tag),
+ NULL, NULL,
+ _gtk_marshal_VOID__OBJECT_BOXED_BOXED,
+ G_TYPE_NONE,
+ 3,
+ GTK_TYPE_TEXT_TAG,
+ GTK_TYPE_TEXT_ITER,
+ GTK_TYPE_TEXT_ITER);
+
+
+ /**
+ * GtkTextBuffer::remove-tag:
+ * @textbuffer: the object which received the signal
+ * @tag: the tag to be removed
+ * @start: the start of the range the tag is removed from
+ * @end: the end of the range the tag is removed from
+ *
+ * The ::remove-tag signal is emitted to remove all occurrences of @tag from
+ * a range of text in a #GtkTextBuffer.
+ * Removal actually occurs in the default handler.
+ *
+ * Note that if your handler runs before the default handler it must not
+ * invalidate the @start and @end iters (or has to revalidate them).
+ *
+ * See also:
+ * gtk_text_buffer_remove_tag().
+ */
signals[REMOVE_TAG] =
- gtk_signal_new ("remove_tag",
- GTK_RUN_LAST,
- GTK_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (GtkTextBufferClass, remove_tag),
- gtk_marshal_NONE__POINTER_INT_INT,
- GTK_TYPE_NONE,
- 3,
- GTK_TYPE_POINTER,
- GTK_TYPE_INT,
- GTK_TYPE_INT);
-
- gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
+ g_signal_new (I_("remove-tag"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, remove_tag),
+ NULL, NULL,
+ _gtk_marshal_VOID__OBJECT_BOXED_BOXED,
+ G_TYPE_NONE,
+ 3,
+ GTK_TYPE_TEXT_TAG,
+ GTK_TYPE_TEXT_ITER,
+ GTK_TYPE_TEXT_ITER);
+
+ /**
+ * GtkTextBuffer::begin-user-action:
+ * @textbuffer: the object which received the signal
+ *
+ * The ::begin-user-action signal is emitted at the beginning of a single
+ * user-visible operation on a #GtkTextBuffer.
+ *
+ * See also:
+ * gtk_text_buffer_begin_user_action(),
+ * gtk_text_buffer_insert_interactive(),
+ * gtk_text_buffer_insert_range_interactive(),
+ * gtk_text_buffer_delete_interactive(),
+ * gtk_text_buffer_backspace(),
+ * gtk_text_buffer_delete_selection().
+ */
+ signals[BEGIN_USER_ACTION] =
+ g_signal_new (I_("begin-user-action"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, begin_user_action),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ /**
+ * GtkTextBuffer::end-user-action:
+ * @textbuffer: the object which received the signal
+ *
+ * The ::end-user-action signal is emitted at the end of a single
+ * user-visible operation on the #GtkTextBuffer.
+ *
+ * See also:
+ * gtk_text_buffer_end_user_action(),
+ * gtk_text_buffer_insert_interactive(),
+ * gtk_text_buffer_insert_range_interactive(),
+ * gtk_text_buffer_delete_interactive(),
+ * gtk_text_buffer_backspace(),
+ * gtk_text_buffer_delete_selection(),
+ * gtk_text_buffer_backspace().
+ */
+ signals[END_USER_ACTION] =
+ g_signal_new (I_("end-user-action"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, end_user_action),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
+
+ /**
+ * GtkTextBuffer::paste-done:
+ * @textbuffer: the object which received the signal
+ *
+ * The paste-done signal is emitted after paste operation has been completed.
+ * This is useful to properly scroll the view to the end of the pasted text.
+ * See gtk_text_buffer_paste_clipboard() for more details.
+ *
+ * Since: 2.16
+ */
+ signals[PASTE_DONE] =
+ g_signal_new (I_("paste-done"),
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkTextBufferClass, paste_done),
+ NULL, NULL,
+ _gtk_marshal_VOID__OBJECT,
+ G_TYPE_NONE,
+ 1,
+ GTK_TYPE_CLIPBOARD);
+
+ g_type_class_add_private (object_class, sizeof (GtkTextBufferPrivate));
+}
- object_class->destroy = gtk_text_buffer_destroy;
+static void
+gtk_text_buffer_init (GtkTextBuffer *buffer)
+{
+ buffer->priv = G_TYPE_INSTANCE_GET_PRIVATE (buffer,
+ GTK_TYPE_TEXT_BUFFER,
+ GtkTextBufferPrivate);
- gobject_class->finalize = gtk_text_buffer_finalize;
+ buffer->priv->clipboard_contents_buffers = NULL;
+ buffer->priv->tag_table = NULL;
- klass->insert_text = gtk_text_buffer_real_insert_text;
- klass->delete_text = gtk_text_buffer_real_delete_text;
- klass->apply_tag = gtk_text_buffer_real_apply_tag;
- klass->remove_tag = gtk_text_buffer_real_remove_tag;
+ /* allow copying of arbiatray stuff in the internal rich text format */
+ gtk_text_buffer_register_serialize_tagset (buffer, NULL);
}
+static void
+set_table (GtkTextBuffer *buffer, GtkTextTagTable *table)
+{
+ GtkTextBufferPrivate *priv = buffer->priv;
-typedef gint (*GtkSignal_NONE__INT_POINTER_INT) (GtkObject *object,
- gint pos,
- const gchar *text,
- gint len,
- gpointer user_data);
+ g_return_if_fail (priv->tag_table == NULL);
-void
-gtk_marshal_NONE__INT_POINTER_INT (GtkObject *object,
- GtkSignalFunc func,
- gpointer func_data,
- GtkArg *args)
+ if (table)
+ {
+ priv->tag_table = table;
+ g_object_ref (priv->tag_table);
+ _gtk_text_tag_table_add_buffer (table, buffer);
+ }
+}
+
+static GtkTextTagTable*
+get_table (GtkTextBuffer *buffer)
{
- GtkSignal_NONE__INT_POINTER_INT rfunc;
+ GtkTextBufferPrivate *priv = buffer->priv;
- rfunc = (GtkSignal_NONE__INT_POINTER_INT) func;
+ if (priv->tag_table == NULL)
+ {
+ priv->tag_table = gtk_text_tag_table_new ();
+ _gtk_text_tag_table_add_buffer (priv->tag_table, buffer);
+ }
- (*rfunc) (object,
- GTK_VALUE_INT (args[0]),
- GTK_VALUE_POINTER (args[1]),
- GTK_VALUE_INT (args[2]),
- func_data);
+ return priv->tag_table;
}
-void
-gtk_text_buffer_init (GtkTextBuffer *buffer)
+static void
+gtk_text_buffer_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- static const GtkTargetEntry targets[] = {
- { "STRING", 0, TARGET_STRING },
- { "TEXT", 0, TARGET_TEXT },
- { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
- { "UTF8_STRING", 0, TARGET_UTF8_STRING }
- };
- static const gint n_targets = sizeof(targets) / sizeof(targets[0]);
+ GtkTextBuffer *text_buffer;
+
+ text_buffer = GTK_TEXT_BUFFER (object);
- if (!clipboard_atom)
- clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
+ switch (prop_id)
+ {
+ case PROP_TAG_TABLE:
+ set_table (text_buffer, g_value_get_object (value));
+ break;
- if (!text_atom)
- text_atom = gdk_atom_intern ("TEXT", FALSE);
+ case PROP_TEXT:
+ gtk_text_buffer_set_text (text_buffer,
+ g_value_get_string (value), -1);
+ break;
- if (!ctext_atom)
- ctext_atom = gdk_atom_intern ("COMPOUND_TEXT", FALSE);
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
- if (!utf8_atom)
- utf8_atom = gdk_atom_intern ("UTF8_STRING", FALSE);
-
- buffer->selection_widget = gtk_invisible_new();
-
- gtk_selection_add_targets (buffer->selection_widget,
- GDK_SELECTION_PRIMARY,
- targets, n_targets);
- gtk_selection_add_targets (buffer->selection_widget,
- clipboard_atom,
- targets, n_targets);
+static void
+gtk_text_buffer_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GtkTextBuffer *text_buffer;
+ GtkTextIter iter;
+
+ text_buffer = GTK_TEXT_BUFFER (object);
+
+ switch (prop_id)
+ {
+ case PROP_TAG_TABLE:
+ g_value_set_object (value, get_table (text_buffer));
+ break;
+
+ case PROP_TEXT:
+ {
+ GtkTextIter start, end;
+
+ gtk_text_buffer_get_start_iter (text_buffer, &start);
+ gtk_text_buffer_get_end_iter (text_buffer, &end);
+
+ g_value_take_string (value,
+ gtk_text_buffer_get_text (text_buffer,
+ &start, &end, FALSE));
+ break;
+ }
+
+ case PROP_HAS_SELECTION:
+ g_value_set_boolean (value, text_buffer->priv->has_selection);
+ break;
+
+ case PROP_CURSOR_POSITION:
+ gtk_text_buffer_get_iter_at_mark (text_buffer, &iter,
+ gtk_text_buffer_get_insert (text_buffer));
+ g_value_set_int (value, gtk_text_iter_get_offset (&iter));
+ break;
+
+ case PROP_COPY_TARGET_LIST:
+ g_value_set_boxed (value, gtk_text_buffer_get_copy_target_list (text_buffer));
+ break;
+
+ case PROP_PASTE_TARGET_LIST:
+ g_value_set_boxed (value, gtk_text_buffer_get_paste_target_list (text_buffer));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
+static void
+gtk_text_buffer_notify (GObject *object,
+ GParamSpec *pspec)
+{
+ if (!strcmp (pspec->name, "copy-target-list") ||
+ !strcmp (pspec->name, "paste-target-list"))
+ {
+ gtk_text_buffer_free_target_lists (GTK_TEXT_BUFFER (object));
+ }
+}
+
+/**
+ * gtk_text_buffer_new:
+ * @table: (allow-none): a tag table, or %NULL to create a new one
+ *
+ * Creates a new text buffer.
+ *
+ * Return value: a new text buffer
+ **/
GtkTextBuffer*
gtk_text_buffer_new (GtkTextTagTable *table)
{
GtkTextBuffer *text_buffer;
- /* This is broken, need construct_only argument for the tag table
- so language bindings can set it.
- */
-
- text_buffer = GTK_TEXT_BUFFER (gtk_type_new (gtk_text_buffer_get_type ()));
-
- if (table)
- text_buffer->tag_table = table;
- else
- text_buffer->tag_table = gtk_text_tag_table_new();
+ text_buffer = g_object_new (GTK_TYPE_TEXT_BUFFER, "tag-table", table, NULL);
- gtk_object_ref (GTK_OBJECT(text_buffer->tag_table));
- gtk_object_sink (GTK_OBJECT(text_buffer->tag_table));
-
- text_buffer->tree = gtk_text_btree_new(text_buffer->tag_table,
- text_buffer);
-
return text_buffer;
}
static void
-gtk_text_buffer_destroy (GtkObject *object)
+gtk_text_buffer_finalize (GObject *object)
{
GtkTextBuffer *buffer;
+ GtkTextBufferPrivate *priv;
buffer = GTK_TEXT_BUFFER (object);
+ priv = buffer->priv;
- gtk_widget_destroy(buffer->selection_widget);
- buffer->selection_widget = NULL;
+ remove_all_selection_clipboards (buffer);
- gtk_object_unref(GTK_OBJECT(buffer->tag_table));
- buffer->tag_table = NULL;
-
- gtk_text_btree_unref(buffer->tree);
- buffer->tree = NULL;
-
- (* parent_class->destroy) (object);
+ if (priv->tag_table)
+ {
+ _gtk_text_tag_table_remove_buffer (priv->tag_table, buffer);
+ g_object_unref (priv->tag_table);
+ priv->tag_table = NULL;
+ }
+
+ if (priv->btree)
+ {
+ _gtk_text_btree_unref (priv->btree);
+ priv->btree = NULL;
+ }
+
+ if (priv->log_attr_cache)
+ free_log_attr_cache (priv->log_attr_cache);
+
+ priv->log_attr_cache = NULL;
+
+ gtk_text_buffer_free_target_lists (buffer);
+
+ G_OBJECT_CLASS (gtk_text_buffer_parent_class)->finalize (object);
}
-static void
-gtk_text_buffer_finalize (GObject *object)
+static GtkTextBTree*
+get_btree (GtkTextBuffer *buffer)
+{
+ GtkTextBufferPrivate *priv = buffer->priv;
+
+ if (priv->btree == NULL)
+ priv->btree = _gtk_text_btree_new (gtk_text_buffer_get_tag_table (buffer),
+ buffer);
+
+ return priv->btree;
+}
+
+GtkTextBTree*
+_gtk_text_buffer_get_btree (GtkTextBuffer *buffer)
+{
+ return get_btree (buffer);
+}
+
+/**
+ * gtk_text_buffer_get_tag_table:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Get the #GtkTextTagTable associated with this buffer.
+ *
+ * Return value: (transfer none): the buffer's tag table
+ **/
+GtkTextTagTable*
+gtk_text_buffer_get_tag_table (GtkTextBuffer *buffer)
+{
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+
+ return get_table (buffer);
+}
+
+/**
+ * gtk_text_buffer_set_text:
+ * @buffer: a #GtkTextBuffer
+ * @text: UTF-8 text to insert
+ * @len: length of @text in bytes
+ *
+ * Deletes current contents of @buffer, and inserts @text instead. If
+ * @len is -1, @text must be nul-terminated. @text must be valid UTF-8.
+ **/
+void
+gtk_text_buffer_set_text (GtkTextBuffer *buffer,
+ const gchar *text,
+ gint len)
{
- GtkTextBuffer *tkxt_buffer;
+ GtkTextIter start, end;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (text != NULL);
+
+ if (len < 0)
+ len = strlen (text);
- tkxt_buffer = GTK_TEXT_BUFFER (object);
+ gtk_text_buffer_get_bounds (buffer, &start, &end);
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ gtk_text_buffer_delete (buffer, &start, &end);
+
+ if (len > 0)
+ {
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, 0);
+ gtk_text_buffer_insert (buffer, &start, text, len);
+ }
+
+ g_object_notify (G_OBJECT (buffer), "text");
}
+
+
/*
* Insertion
*/
static void
-gtk_text_buffer_real_insert_text(GtkTextBuffer *buffer,
- GtkTextIter *iter,
- const gchar *text,
- gint len)
+gtk_text_buffer_real_insert_text (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const gchar *text,
+ gint len)
{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(iter != NULL);
-
- gtk_text_btree_insert(iter, text, len);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
- gtk_signal_emit(GTK_OBJECT(buffer), signals[CHANGED]);
+ _gtk_text_btree_insert (iter, text, len);
- gtk_text_buffer_set_modified(buffer, TRUE);
+ g_signal_emit (buffer, signals[CHANGED], 0);
+ g_object_notify (G_OBJECT (buffer), "cursor-position");
}
static void
-gtk_text_buffer_emit_insert(GtkTextBuffer *buffer,
- GtkTextIter *iter,
- const gchar *text,
- gint len)
+gtk_text_buffer_emit_insert (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const gchar *text,
+ gint len)
{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(iter != NULL);
- g_return_if_fail(text != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (text != NULL);
if (len < 0)
- len = strlen(text);
+ len = strlen (text);
+
+ g_return_if_fail (g_utf8_validate (text, len, NULL));
if (len > 0)
{
- gtk_signal_emit(GTK_OBJECT(buffer), signals[INSERT_TEXT],
- iter, text, len);
+ g_signal_emit (buffer, signals[INSERT_TEXT], 0,
+ iter, text, len);
}
}
+/**
+ * gtk_text_buffer_insert:
+ * @buffer: a #GtkTextBuffer
+ * @iter: a position in the buffer
+ * @text: text in UTF-8 format
+ * @len: length of text in bytes, or -1
+ *
+ * Inserts @len bytes of @text at position @iter. If @len is -1,
+ * @text must be nul-terminated and will be inserted in its
+ * entirety. Emits the "insert-text" signal; insertion actually occurs
+ * in the default handler for the signal. @iter is invalidated when
+ * insertion occurs (because the buffer contents change), but the
+ * default signal handler revalidates it to point to the end of the
+ * inserted text.
+ **/
void
gtk_text_buffer_insert (GtkTextBuffer *buffer,
- GtkTextIter *iter,
- const gchar *text,
- gint len)
+ GtkTextIter *iter,
+ const gchar *text,
+ gint len)
{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(iter != NULL);
- g_return_if_fail(text != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (text != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (iter) == buffer);
- gtk_text_buffer_emit_insert(buffer, iter, text, len);
+ gtk_text_buffer_emit_insert (buffer, iter, text, len);
}
+/**
+ * gtk_text_buffer_insert_at_cursor:
+ * @buffer: a #GtkTextBuffer
+ * @text: text in UTF-8 format
+ * @len: length of text, in bytes
+ *
+ * Simply calls gtk_text_buffer_insert(), using the current
+ * cursor position as the insertion point.
+ **/
void
gtk_text_buffer_insert_at_cursor (GtkTextBuffer *buffer,
- const gchar *text,
- gint len)
+ const gchar *text,
+ gint len)
{
GtkTextIter iter;
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(text != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (text != NULL);
- gtk_text_buffer_get_iter_at_mark(buffer, &iter, "insert");
+ gtk_text_buffer_get_iter_at_mark (buffer, &iter,
+ gtk_text_buffer_get_insert (buffer));
- gtk_text_buffer_insert(buffer, &iter, text, len);
+ gtk_text_buffer_insert (buffer, &iter, text, len);
}
-void
-gtk_text_buffer_insert_at_char (GtkTextBuffer *buffer,
- gint char_pos,
- const gchar *text,
- gint len)
+/**
+ * gtk_text_buffer_insert_interactive:
+ * @buffer: a #GtkTextBuffer
+ * @iter: a position in @buffer
+ * @text: some UTF-8 text
+ * @len: length of text in bytes, or -1
+ * @default_editable: default editability of buffer
+ *
+ * Like gtk_text_buffer_insert(), but the insertion will not occur if
+ * @iter is at a non-editable location in the buffer. Usually you
+ * want to prevent insertions at ineditable locations if the insertion
+ * results from a user action (is interactive).
+ *
+ * @default_editable indicates the editability of text that doesn't
+ * have a tag affecting editability applied to it. Typically the
+ * result of gtk_text_view_get_editable() is appropriate here.
+ *
+ * Return value: whether text was actually inserted
+ **/
+gboolean
+gtk_text_buffer_insert_interactive (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const gchar *text,
+ gint len,
+ gboolean default_editable)
{
- GtkTextIter iter;
-
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(text != NULL);
-
- gtk_text_buffer_get_iter_at_char(buffer, &iter, char_pos);
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+ g_return_val_if_fail (text != NULL, FALSE);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (iter) == buffer, FALSE);
- gtk_text_buffer_insert(buffer, &iter, text, len);
+ if (gtk_text_iter_can_insert (iter, default_editable))
+ {
+ gtk_text_buffer_begin_user_action (buffer);
+ gtk_text_buffer_emit_insert (buffer, iter, text, len);
+ gtk_text_buffer_end_user_action (buffer);
+ return TRUE;
+ }
+ else
+ return FALSE;
}
-void
-gtk_text_buffer_insert_after_line(GtkTextBuffer *buffer,
- gint after_this_line,
- const gchar *text,
- gint len)
+/**
+ * gtk_text_buffer_insert_interactive_at_cursor:
+ * @buffer: a #GtkTextBuffer
+ * @text: text in UTF-8 format
+ * @len: length of text in bytes, or -1
+ * @default_editable: default editability of buffer
+ *
+ * Calls gtk_text_buffer_insert_interactive() at the cursor
+ * position.
+ *
+ * @default_editable indicates the editability of text that doesn't
+ * have a tag affecting editability applied to it. Typically the
+ * result of gtk_text_view_get_editable() is appropriate here.
+ *
+ * Return value: whether text was actually inserted
+ **/
+gboolean
+gtk_text_buffer_insert_interactive_at_cursor (GtkTextBuffer *buffer,
+ const gchar *text,
+ gint len,
+ gboolean default_editable)
{
- GtkTextIter line;
-
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(text != NULL);
-
- gtk_text_buffer_get_iter_at_line(buffer,
- &line,
- after_this_line);
+ GtkTextIter iter;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+ g_return_val_if_fail (text != NULL, FALSE);
- /* Start of the next line */
- gtk_text_iter_forward_line(&line);
+ gtk_text_buffer_get_iter_at_mark (buffer, &iter,
+ gtk_text_buffer_get_insert (buffer));
- gtk_text_buffer_insert(buffer, &line, text, len);
+ return gtk_text_buffer_insert_interactive (buffer, &iter, text, len,
+ default_editable);
}
-/*
- * Deletion
- */
+static gboolean
+possibly_not_text (gunichar ch,
+ gpointer user_data)
+{
+ return ch == GTK_TEXT_UNKNOWN_CHAR;
+}
static void
-gtk_text_buffer_real_delete_text(GtkTextBuffer *buffer,
- GtkTextIter *start,
- GtkTextIter *end)
+insert_text_range (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const GtkTextIter *orig_start,
+ const GtkTextIter *orig_end,
+ gboolean interactive)
{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(start != NULL);
- g_return_if_fail(end != NULL);
+ gchar *text;
- gtk_text_btree_delete(start, end);
+ text = gtk_text_iter_get_text (orig_start, orig_end);
- /* may have deleted the selection... */
- gtk_text_buffer_update_primary_selection(buffer);
-
- gtk_signal_emit(GTK_OBJECT(buffer), signals[CHANGED]);
-
- gtk_text_buffer_set_modified(buffer, TRUE);
+ gtk_text_buffer_emit_insert (buffer, iter, text, -1);
+
+ g_free (text);
}
-static void
-gtk_text_buffer_emit_delete(GtkTextBuffer *buffer,
- GtkTextIter *start,
- GtkTextIter *end)
+typedef struct _Range Range;
+struct _Range
{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(start != NULL);
- g_return_if_fail(end != NULL);
+ GtkTextBuffer *buffer;
+ GtkTextMark *start_mark;
+ GtkTextMark *end_mark;
+ GtkTextMark *whole_end_mark;
+ GtkTextIter *range_start;
+ GtkTextIter *range_end;
+ GtkTextIter *whole_end;
+};
- if (gtk_text_iter_equal(start, end))
- return;
+static Range*
+save_range (GtkTextIter *range_start,
+ GtkTextIter *range_end,
+ GtkTextIter *whole_end)
+{
+ Range *r;
- gtk_signal_emit(GTK_OBJECT(buffer),
- signals[DELETE_TEXT],
- start, end);
-}
+ r = g_new (Range, 1);
-void
-gtk_text_buffer_delete (GtkTextBuffer *buffer,
- GtkTextIter *start,
- GtkTextIter *end)
-{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(start != NULL);
- g_return_if_fail(end != NULL);
+ r->buffer = gtk_text_iter_get_buffer (range_start);
+ g_object_ref (r->buffer);
- gtk_text_buffer_emit_delete(buffer, start, end);
+ r->start_mark =
+ gtk_text_buffer_create_mark (gtk_text_iter_get_buffer (range_start),
+ NULL,
+ range_start,
+ FALSE);
+ r->end_mark =
+ gtk_text_buffer_create_mark (gtk_text_iter_get_buffer (range_start),
+ NULL,
+ range_end,
+ TRUE);
+
+ r->whole_end_mark =
+ gtk_text_buffer_create_mark (gtk_text_iter_get_buffer (range_start),
+ NULL,
+ whole_end,
+ TRUE);
+
+ r->range_start = range_start;
+ r->range_end = range_end;
+ r->whole_end = whole_end;
+
+ return r;
}
-void
-gtk_text_buffer_delete_chars (GtkTextBuffer *buffer,
- gint start_char,
- gint end_char)
+static void
+restore_range (Range *r)
{
- GtkTextIter start;
- GtkTextIter end;
+ gtk_text_buffer_get_iter_at_mark (r->buffer,
+ r->range_start,
+ r->start_mark);
+
+ gtk_text_buffer_get_iter_at_mark (r->buffer,
+ r->range_end,
+ r->end_mark);
+
+ gtk_text_buffer_get_iter_at_mark (r->buffer,
+ r->whole_end,
+ r->whole_end_mark);
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
-
- if (start_char == end_char)
- return;
-
- gtk_text_buffer_get_iter_at_char(buffer, &start, start_char);
- gtk_text_buffer_get_iter_at_char(buffer, &end, end_char);
+ gtk_text_buffer_delete_mark (r->buffer, r->start_mark);
+ gtk_text_buffer_delete_mark (r->buffer, r->end_mark);
+ gtk_text_buffer_delete_mark (r->buffer, r->whole_end_mark);
+
+ /* Due to the gravities on the marks, the ordering could have
+ * gotten mangled; we switch to an empty range in that
+ * case
+ */
+
+ if (gtk_text_iter_compare (r->range_start, r->range_end) > 0)
+ *r->range_start = *r->range_end;
- gtk_text_buffer_emit_delete(buffer, &start, &end);
+ if (gtk_text_iter_compare (r->range_end, r->whole_end) > 0)
+ *r->range_end = *r->whole_end;
+
+ g_object_unref (r->buffer);
+ g_free (r);
}
-void
-gtk_text_buffer_delete_lines(GtkTextBuffer *buffer,
- gint start_line,
- gint end_line)
+static void
+insert_range_untagged (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const GtkTextIter *orig_start,
+ const GtkTextIter *orig_end,
+ gboolean interactive)
{
- GtkTextIter start;
- GtkTextIter end;
+ GtkTextIter range_start;
+ GtkTextIter range_end;
+ GtkTextIter start, end;
+ Range *r;
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
-
- if (start_line == end_line)
+ if (gtk_text_iter_equal (orig_start, orig_end))
return;
- /* start of the start line */
- gtk_text_buffer_get_iter_at_line(buffer, &start, start_line);
+ start = *orig_start;
+ end = *orig_end;
- /* start of the end line; note that we don't delete the end_line, we
- want to delete up to the start of it */
- gtk_text_buffer_get_iter_at_line(buffer, &end, end_line);
+ range_start = start;
+ range_end = start;
- gtk_text_buffer_delete (buffer, &start, &end);
+ while (TRUE)
+ {
+ if (gtk_text_iter_equal (&range_start, &range_end))
+ {
+ /* Figure out how to move forward */
+
+ g_assert (gtk_text_iter_compare (&range_end, &end) <= 0);
+
+ if (gtk_text_iter_equal (&range_end, &end))
+ {
+ /* nothing left to do */
+ break;
+ }
+ else if (gtk_text_iter_get_char (&range_end) == GTK_TEXT_UNKNOWN_CHAR)
+ {
+ GdkPixbuf *pixbuf = NULL;
+ GtkTextChildAnchor *anchor = NULL;
+ pixbuf = gtk_text_iter_get_pixbuf (&range_end);
+ anchor = gtk_text_iter_get_child_anchor (&range_end);
+
+ if (pixbuf)
+ {
+ r = save_range (&range_start,
+ &range_end,
+ &end);
+
+ gtk_text_buffer_insert_pixbuf (buffer,
+ iter,
+ pixbuf);
+
+ restore_range (r);
+ r = NULL;
+
+ gtk_text_iter_forward_char (&range_end);
+
+ range_start = range_end;
+ }
+ else if (anchor)
+ {
+ /* Just skip anchors */
+
+ gtk_text_iter_forward_char (&range_end);
+ range_start = range_end;
+ }
+ else
+ {
+ /* The GTK_TEXT_UNKNOWN_CHAR was in a text segment, so
+ * keep going.
+ */
+ gtk_text_iter_forward_find_char (&range_end,
+ possibly_not_text, NULL,
+ &end);
+
+ g_assert (gtk_text_iter_compare (&range_end, &end) <= 0);
+ }
+ }
+ else
+ {
+ /* Text segment starts here, so forward search to
+ * find its possible endpoint
+ */
+ gtk_text_iter_forward_find_char (&range_end,
+ possibly_not_text, NULL,
+ &end);
+
+ g_assert (gtk_text_iter_compare (&range_end, &end) <= 0);
+ }
+ }
+ else
+ {
+ r = save_range (&range_start,
+ &range_end,
+ &end);
+
+ insert_text_range (buffer,
+ iter,
+ &range_start,
+ &range_end,
+ interactive);
+
+ restore_range (r);
+ r = NULL;
+
+ range_start = range_end;
+ }
+ }
}
-void
-gtk_text_buffer_delete_from_line(GtkTextBuffer *buffer,
- gint line,
- gint start_char, gint end_char)
+static void
+insert_range_not_inside_self (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const GtkTextIter *orig_start,
+ const GtkTextIter *orig_end,
+ gboolean interactive)
{
- GtkTextIter start;
- GtkTextIter end;
-
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
+ /* Find each range of uniformly-tagged text, insert it,
+ * then apply the tags.
+ */
+ GtkTextIter start = *orig_start;
+ GtkTextIter end = *orig_end;
+ GtkTextIter range_start;
+ GtkTextIter range_end;
- if (start_char == end_char)
+ if (gtk_text_iter_equal (orig_start, orig_end))
return;
+
+ gtk_text_iter_order (&start, &end);
- gtk_text_buffer_get_iter_at_line_char(buffer, &start, line, start_char);
- gtk_text_buffer_get_iter_at_line_char(buffer, &end, line, end_char);
+ range_start = start;
+ range_end = start;
+
+ while (TRUE)
+ {
+ gint start_offset;
+ GtkTextIter start_iter;
+ GSList *tags;
+ GSList *tmp_list;
+ Range *r;
+
+ if (gtk_text_iter_equal (&range_start, &end))
+ break; /* All done */
- gtk_text_buffer_delete(buffer, &start, &end);
-}
+ g_assert (gtk_text_iter_compare (&range_start, &end) < 0);
+
+ gtk_text_iter_forward_to_tag_toggle (&range_end, NULL);
-/*
- * Extracting textual buffer contents
- */
+ g_assert (!gtk_text_iter_equal (&range_start, &range_end));
-gchar*
-gtk_text_buffer_get_text (GtkTextBuffer *buffer,
- const GtkTextIter *start,
- const GtkTextIter *end,
- gboolean include_hidden_chars)
-{
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
- g_return_val_if_fail(start != NULL, NULL);
- g_return_val_if_fail(end != NULL, NULL);
+ /* Clamp to the end iterator */
+ if (gtk_text_iter_compare (&range_end, &end) > 0)
+ range_end = end;
+
+ /* We have a range with unique tags; insert it, and
+ * apply all tags.
+ */
+ start_offset = gtk_text_iter_get_offset (iter);
- if (include_hidden_chars)
- return gtk_text_iter_get_text(start, end);
- else
- return gtk_text_iter_get_visible_text(start, end);
+ r = save_range (&range_start, &range_end, &end);
+
+ insert_range_untagged (buffer, iter, &range_start, &range_end, interactive);
+
+ restore_range (r);
+ r = NULL;
+
+ gtk_text_buffer_get_iter_at_offset (buffer, &start_iter, start_offset);
+
+ tags = gtk_text_iter_get_tags (&range_start);
+ tmp_list = tags;
+ while (tmp_list != NULL)
+ {
+ gtk_text_buffer_apply_tag (buffer,
+ tmp_list->data,
+ &start_iter,
+ iter);
+
+ tmp_list = g_slist_next (tmp_list);
+ }
+ g_slist_free (tags);
+
+ range_start = range_end;
+ }
}
-gchar*
-gtk_text_buffer_get_text_chars (GtkTextBuffer *buffer,
- gint start_char,
- gint end_char,
- gboolean include_hidden_chars)
+static void
+gtk_text_buffer_real_insert_range (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const GtkTextIter *orig_start,
+ const GtkTextIter *orig_end,
+ gboolean interactive)
{
- GtkTextIter start;
- GtkTextIter end;
+ GtkTextBuffer *src_buffer;
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
+ /* Find each range of uniformly-tagged text, insert it,
+ * then apply the tags.
+ */
+ if (gtk_text_iter_equal (orig_start, orig_end))
+ return;
+
+ if (interactive)
+ gtk_text_buffer_begin_user_action (buffer);
- if (start_char == end_char)
- return g_strdup("");
+ src_buffer = gtk_text_iter_get_buffer (orig_start);
- gtk_text_buffer_get_iter_at_char (buffer, &start, start_char);
- gtk_text_buffer_get_iter_at_char (buffer, &end, end_char);
+ if (gtk_text_iter_get_buffer (iter) != src_buffer ||
+ !gtk_text_iter_in_range (iter, orig_start, orig_end))
+ {
+ insert_range_not_inside_self (buffer, iter, orig_start, orig_end, interactive);
+ }
+ else
+ {
+ /* If you insert a range into itself, it could loop infinitely
+ * because the region being copied keeps growing as we insert. So
+ * we have to separately copy the range before and after
+ * the insertion point.
+ */
+ GtkTextIter start = *orig_start;
+ GtkTextIter end = *orig_end;
+ GtkTextIter range_start;
+ GtkTextIter range_end;
+ Range *first_half;
+ Range *second_half;
+
+ gtk_text_iter_order (&start, &end);
+
+ range_start = start;
+ range_end = *iter;
+ first_half = save_range (&range_start, &range_end, &end);
+
+ range_start = *iter;
+ range_end = end;
+ second_half = save_range (&range_start, &range_end, &end);
+
+ restore_range (first_half);
+ insert_range_not_inside_self (buffer, iter, &range_start, &range_end, interactive);
+
+ restore_range (second_half);
+ insert_range_not_inside_self (buffer, iter, &range_start, &range_end, interactive);
+ }
- return gtk_text_buffer_get_text(buffer, &start, &end,
- include_hidden_chars);
+ if (interactive)
+ gtk_text_buffer_end_user_action (buffer);
}
-gchar*
-gtk_text_buffer_get_text_from_line (GtkTextBuffer *buffer,
- gint line,
- gint start_char,
- gint end_char,
- gboolean include_hidden_chars)
+/**
+ * gtk_text_buffer_insert_range:
+ * @buffer: a #GtkTextBuffer
+ * @iter: a position in @buffer
+ * @start: a position in a #GtkTextBuffer
+ * @end: another position in the same buffer as @start
+ *
+ * Copies text, tags, and pixbufs between @start and @end (the order
+ * of @start and @end doesn't matter) and inserts the copy at @iter.
+ * Used instead of simply getting/inserting text because it preserves
+ * images and tags. If @start and @end are in a different buffer from
+ * @buffer, the two buffers must share the same tag table.
+ *
+ * Implemented via emissions of the insert_text and apply_tag signals,
+ * so expect those.
+ **/
+void
+gtk_text_buffer_insert_range (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
{
- GtkTextIter start;
- GtkTextIter end;
-
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
-
- if (start_char == end_char)
- return g_strdup("");
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (start) ==
+ gtk_text_iter_get_buffer (end));
+ g_return_if_fail (gtk_text_iter_get_buffer (start)->priv->tag_table ==
+ buffer->priv->tag_table);
+ g_return_if_fail (gtk_text_iter_get_buffer (iter) == buffer);
- gtk_text_buffer_get_iter_at_line_char (buffer, &start, line, start_char);
- gtk_text_buffer_get_iter_at_line_char (buffer, &end, line, end_char);
-
- return gtk_text_buffer_get_text(buffer, &start, &end,
- include_hidden_chars);
+ gtk_text_buffer_real_insert_range (buffer, iter, start, end, FALSE);
}
-gchar*
-gtk_text_buffer_get_slice (GtkTextBuffer *buffer,
- const GtkTextIter *start,
- const GtkTextIter *end,
- gboolean include_hidden_chars)
+/**
+ * gtk_text_buffer_insert_range_interactive:
+ * @buffer: a #GtkTextBuffer
+ * @iter: a position in @buffer
+ * @start: a position in a #GtkTextBuffer
+ * @end: another position in the same buffer as @start
+ * @default_editable: default editability of the buffer
+ *
+ * Same as gtk_text_buffer_insert_range(), but does nothing if the
+ * insertion point isn't editable. The @default_editable parameter
+ * indicates whether the text is editable at @iter if no tags
+ * enclosing @iter affect editability. Typically the result of
+ * gtk_text_view_get_editable() is appropriate here.
+ *
+ * Returns: whether an insertion was possible at @iter
+ **/
+gboolean
+gtk_text_buffer_insert_range_interactive (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const GtkTextIter *start,
+ const GtkTextIter *end,
+ gboolean default_editable)
{
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
- g_return_val_if_fail(start != NULL, NULL);
- g_return_val_if_fail(end != NULL, NULL);
-
- if (include_hidden_chars)
- return gtk_text_iter_get_slice(start, end);
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+ g_return_val_if_fail (iter != NULL, FALSE);
+ g_return_val_if_fail (start != NULL, FALSE);
+ g_return_val_if_fail (end != NULL, FALSE);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (start) ==
+ gtk_text_iter_get_buffer (end), FALSE);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (start)->priv->tag_table ==
+ buffer->priv->tag_table, FALSE);
+
+ if (gtk_text_iter_can_insert (iter, default_editable))
+ {
+ gtk_text_buffer_real_insert_range (buffer, iter, start, end, TRUE);
+ return TRUE;
+ }
else
- return gtk_text_iter_get_visible_slice(start, end);
+ return FALSE;
}
-gchar*
-gtk_text_buffer_get_slice_chars (GtkTextBuffer *buffer,
- gint start_char,
- gint end_char,
- gboolean include_hidden_chars)
+/**
+ * gtk_text_buffer_insert_with_tags:
+ * @buffer: a #GtkTextBuffer
+ * @iter: an iterator in @buffer
+ * @text: UTF-8 text
+ * @len: length of @text, or -1
+ * @first_tag: first tag to apply to @text
+ * @...: %NULL-terminated list of tags to apply
+ *
+ * Inserts @text into @buffer at @iter, applying the list of tags to
+ * the newly-inserted text. The last tag specified must be %NULL to
+ * terminate the list. Equivalent to calling gtk_text_buffer_insert(),
+ * then gtk_text_buffer_apply_tag() on the inserted text;
+ * gtk_text_buffer_insert_with_tags() is just a convenience function.
+ **/
+void
+gtk_text_buffer_insert_with_tags (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const gchar *text,
+ gint len,
+ GtkTextTag *first_tag,
+ ...)
{
+ gint start_offset;
GtkTextIter start;
- GtkTextIter end;
-
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
-
- if (start_char == end_char)
- return g_strdup("");
-
- gtk_text_buffer_get_iter_at_char (buffer, &start, start_char);
- gtk_text_buffer_get_iter_at_char (buffer, &end, end_char);
-
- return gtk_text_buffer_get_slice(buffer, &start, &end,
- include_hidden_chars);
-}
+ va_list args;
+ GtkTextTag *tag;
-gchar*
-gtk_text_buffer_get_slice_from_line (GtkTextBuffer *buffer,
- gint line,
- gint start_char,
- gint end_char,
- gboolean include_hidden_chars)
-{
- GtkTextIter start;
- GtkTextIter end;
-
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
-
- if (start_char == end_char)
- return g_strdup("");
-
- gtk_text_buffer_get_iter_at_line_char (buffer, &start, line, start_char);
- gtk_text_buffer_get_iter_at_line_char (buffer, &end, line, end_char);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (text != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (iter) == buffer);
- return gtk_text_buffer_get_slice(buffer, &start, &end,
- include_hidden_chars);
-}
+ start_offset = gtk_text_iter_get_offset (iter);
-/*
- * Pixmaps
- */
+ gtk_text_buffer_insert (buffer, iter, text, len);
-void
-gtk_text_buffer_insert_pixmap (GtkTextBuffer *buffer,
- GtkTextIter *iter,
- GdkPixmap *pixmap,
- GdkBitmap *mask)
-{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(iter != NULL);
- g_return_if_fail(pixmap != NULL);
+ if (first_tag == NULL)
+ return;
- gtk_text_btree_insert_pixmap(iter, pixmap, mask);
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset);
- /* FIXME pixmap-specific signal like insert_text */
-
- gtk_signal_emit(GTK_OBJECT(buffer), signals[CHANGED]);
-
- gtk_text_buffer_set_modified(buffer, TRUE);
+ va_start (args, first_tag);
+ tag = first_tag;
+ while (tag)
+ {
+ gtk_text_buffer_apply_tag (buffer, tag, &start, iter);
+
+ tag = va_arg (args, GtkTextTag*);
+ }
+
+ va_end (args);
}
+/**
+ * gtk_text_buffer_insert_with_tags_by_name:
+ * @buffer: a #GtkTextBuffer
+ * @iter: position in @buffer
+ * @text: UTF-8 text
+ * @len: length of @text, or -1
+ * @first_tag_name: name of a tag to apply to @text
+ * @...: more tag names
+ *
+ * Same as gtk_text_buffer_insert_with_tags(), but allows you
+ * to pass in tag names instead of tag objects.
+ **/
void
-gtk_text_buffer_insert_pixmap_at_char (GtkTextBuffer *buffer,
- gint char_pos,
- GdkPixmap *pixmap,
- GdkBitmap *mask)
+gtk_text_buffer_insert_with_tags_by_name (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ const gchar *text,
+ gint len,
+ const gchar *first_tag_name,
+ ...)
{
- GtkTextIter iter;
+ gint start_offset;
+ GtkTextIter start;
+ va_list args;
+ const gchar *tag_name;
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(pixmap != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (text != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (iter) == buffer);
- gtk_text_buffer_get_iter_at_char(buffer, &iter, char_pos);
+ start_offset = gtk_text_iter_get_offset (iter);
- gtk_text_buffer_insert_pixmap(buffer, &iter, pixmap, mask);
+ gtk_text_buffer_insert (buffer, iter, text, len);
+
+ if (first_tag_name == NULL)
+ return;
+
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset);
+
+ va_start (args, first_tag_name);
+ tag_name = first_tag_name;
+ while (tag_name)
+ {
+ GtkTextTag *tag;
+
+ tag = gtk_text_tag_table_lookup (buffer->priv->tag_table,
+ tag_name);
+
+ if (tag == NULL)
+ {
+ g_warning ("%s: no tag with name '%s'!", G_STRLOC, tag_name);
+ va_end (args);
+ return;
+ }
+
+ gtk_text_buffer_apply_tag (buffer, tag, &start, iter);
+
+ tag_name = va_arg (args, const gchar*);
+ }
+
+ va_end (args);
}
+
/*
- * Mark manipulation
+ * Deletion
*/
static void
-gtk_text_buffer_mark_set (GtkTextBuffer *buffer,
- const GtkTextIter *location,
- const char *mark_name)
+gtk_text_buffer_real_delete_range (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
{
- /* IMO this should NOT work like insert_text and delete_text,
- where the real action happens in the default handler.
+ gboolean has_selection;
- The reason is that the default handler would be _required_,
- i.e. the whole widget would start breaking and segfaulting
- if the default handler didn't get run. So you can't really
- override the default handler or stop the emission; that is,
- this signal is purely for notification, and not to allow users
- to modify the default behavior. */
- gtk_signal_emit(GTK_OBJECT(buffer),
- signals[MARK_SET],
- &location,
- mark_name);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
-}
+ _gtk_text_btree_delete (start, end);
-/**
- * gtk_text_buffer_set_mark:
- * @buffer: a #GtkTextBuffer
- * @mark_name: name of the mark
- * @iter: location for the mark.
- * @left_gravity: if the mark is created by this function, gravity for the new
- * mark.
- * @should_exist: if %TRUE, warn if the mark does not exist, and return
- * immediately.
- *
- * Move the mark to the given position, if not @should_exist, create the mark.
- *
- * Return value:
- **/
-static GtkTextMark*
-gtk_text_buffer_set_mark(GtkTextBuffer *buffer,
- const gchar *mark_name,
- const GtkTextIter *iter,
- gboolean left_gravity,
- gboolean should_exist)
-{
- GtkTextIter location;
- GtkTextLineSegment *mark;
-
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
-
- mark = gtk_text_btree_set_mark(buffer->tree,
- mark_name,
- left_gravity,
- iter,
- should_exist);
+ /* may have deleted the selection... */
+ update_selection_clipboards (buffer);
- if (gtk_text_btree_mark_is_insert(buffer->tree, mark) ||
- gtk_text_btree_mark_is_selection_bound(buffer->tree, mark))
+ has_selection = gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL);
+ if (has_selection != buffer->priv->has_selection)
{
- gtk_text_buffer_update_primary_selection(buffer);
+ buffer->priv->has_selection = has_selection;
+ g_object_notify (G_OBJECT (buffer), "has-selection");
}
-
- gtk_text_btree_get_iter_at_mark(buffer->tree,
- &location,
- mark);
-
- gtk_text_buffer_mark_set (buffer, &location, mark_name);
- return (GtkTextMark*)mark;
+ g_signal_emit (buffer, signals[CHANGED], 0);
+ g_object_notify (G_OBJECT (buffer), "cursor-position");
}
-GtkTextMark*
-gtk_text_buffer_create_mark(GtkTextBuffer *buffer,
- const gchar *mark_name,
- const GtkTextIter *where,
- gboolean left_gravity)
+static void
+gtk_text_buffer_emit_delete (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
{
- return gtk_text_buffer_set_mark(buffer, mark_name, where,
- left_gravity, FALSE);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+
+ if (gtk_text_iter_equal (start, end))
+ return;
+
+ gtk_text_iter_order (start, end);
+
+ g_signal_emit (buffer,
+ signals[DELETE_RANGE],
+ 0,
+ start, end);
}
+/**
+ * gtk_text_buffer_delete:
+ * @buffer: a #GtkTextBuffer
+ * @start: a position in @buffer
+ * @end: another position in @buffer
+ *
+ * Deletes text between @start and @end. The order of @start and @end
+ * is not actually relevant; gtk_text_buffer_delete() will reorder
+ * them. This function actually emits the "delete-range" signal, and
+ * the default handler of that signal deletes the text. Because the
+ * buffer is modified, all outstanding iterators become invalid after
+ * calling this function; however, the @start and @end will be
+ * re-initialized to point to the location where text was deleted.
+ **/
void
-gtk_text_buffer_move_mark(GtkTextBuffer *buffer,
- const gchar *mark_name,
- const GtkTextIter *where)
+gtk_text_buffer_delete (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
{
- gtk_text_buffer_set_mark(buffer, mark_name, where, FALSE, TRUE);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (start) == buffer);
+ g_return_if_fail (gtk_text_iter_get_buffer (end) == buffer);
+
+ gtk_text_buffer_emit_delete (buffer, start, end);
}
+/**
+ * gtk_text_buffer_delete_interactive:
+ * @buffer: a #GtkTextBuffer
+ * @start_iter: start of range to delete
+ * @end_iter: end of range
+ * @default_editable: whether the buffer is editable by default
+ *
+ * Deletes all <emphasis>editable</emphasis> text in the given range.
+ * Calls gtk_text_buffer_delete() for each editable sub-range of
+ * [@start,@end). @start and @end are revalidated to point to
+ * the location of the last deleted range, or left untouched if
+ * no text was deleted.
+ *
+ * Return value: whether some text was actually deleted
+ **/
gboolean
-gtk_text_buffer_get_iter_at_mark(GtkTextBuffer *buffer,
- GtkTextIter *iter,
- const gchar *name)
+gtk_text_buffer_delete_interactive (GtkTextBuffer *buffer,
+ GtkTextIter *start_iter,
+ GtkTextIter *end_iter,
+ gboolean default_editable)
{
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), FALSE);
+ GtkTextMark *end_mark;
+ GtkTextMark *start_mark;
+ GtkTextIter iter;
+ gboolean current_state;
+ gboolean deleted_stuff = FALSE;
- return gtk_text_btree_get_iter_at_mark_name(buffer->tree,
- iter,
- name);
-}
+ /* Delete all editable text in the range start_iter, end_iter */
-void
-gtk_text_buffer_delete_mark(GtkTextBuffer *buffer,
- const gchar *name)
-{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+ g_return_val_if_fail (start_iter != NULL, FALSE);
+ g_return_val_if_fail (end_iter != NULL, FALSE);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (start_iter) == buffer, FALSE);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (end_iter) == buffer, FALSE);
+
+
+ gtk_text_buffer_begin_user_action (buffer);
+
+ gtk_text_iter_order (start_iter, end_iter);
+
+ start_mark = gtk_text_buffer_create_mark (buffer, NULL,
+ start_iter, TRUE);
+ end_mark = gtk_text_buffer_create_mark (buffer, NULL,
+ end_iter, FALSE);
- if (strcmp(name, "insert") == 0 ||
- strcmp(name, "selection_bound") == 0)
+ gtk_text_buffer_get_iter_at_mark (buffer, &iter, start_mark);
+
+ current_state = gtk_text_iter_editable (&iter, default_editable);
+
+ while (TRUE)
{
- g_warning("Can't delete special mark `%s'", name);
- return;
- }
+ gboolean new_state;
+ gboolean done = FALSE;
+ GtkTextIter end;
- gtk_text_btree_remove_mark_by_name(buffer->tree, name);
+ gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
- /* See rationale above for MARK_SET on why we emit this after
- removing the mark, rather than removing the mark in a default
- handler. */
- gtk_signal_emit(GTK_OBJECT(buffer), signals[MARK_DELETED],
- name);
-}
+ gtk_text_buffer_get_iter_at_mark (buffer, &end, end_mark);
-GtkTextMark*
-gtk_text_buffer_get_mark (GtkTextBuffer *buffer,
- const gchar *name)
-{
- GtkTextLineSegment *seg;
+ if (gtk_text_iter_compare (&iter, &end) >= 0)
+ {
+ done = TRUE;
+ iter = end; /* clamp to the last boundary */
+ }
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
- g_return_val_if_fail(name != NULL, NULL);
-
- seg = gtk_text_btree_get_mark_by_name(buffer->tree, name);
+ new_state = gtk_text_iter_editable (&iter, default_editable);
- return (GtkTextMark*)seg;
-}
+ if (current_state == new_state)
+ {
+ if (done)
+ {
+ if (current_state)
+ {
+ /* We're ending an editable region. Delete said region. */
+ GtkTextIter start;
-void
-gtk_text_buffer_place_cursor (GtkTextBuffer *buffer,
- const GtkTextIter *where)
-{
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
-
- gtk_text_btree_place_cursor(buffer->tree, where);
- gtk_text_buffer_mark_set (buffer, where, "insert");
- gtk_text_buffer_mark_set (buffer, where, "selection_bound");
-}
+ gtk_text_buffer_get_iter_at_mark (buffer, &start, start_mark);
-/*
- * Tags
- */
+ gtk_text_buffer_emit_delete (buffer, &start, &iter);
-GtkTextTag*
-gtk_text_buffer_create_tag(GtkTextBuffer *buffer,
- const gchar *tag_name)
-{
- GtkTextTag *tag;
-
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), NULL);
- g_return_val_if_fail(tag_name != NULL, NULL);
-
- tag = gtk_text_tag_new(tag_name);
+ deleted_stuff = TRUE;
- gtk_text_tag_table_add(buffer->tag_table, tag);
+ /* revalidate user's iterators. */
+ *start_iter = start;
+ *end_iter = iter;
+ }
- return tag;
-}
+ break;
+ }
+ else
+ continue;
+ }
-static void
-gtk_text_buffer_real_apply_tag (GtkTextBuffer *buffer,
- GtkTextTag *tag,
- const GtkTextIter *start,
- const GtkTextIter *end)
-{
- gtk_text_btree_tag(start, end, tag, TRUE);
-}
+ if (current_state && !new_state)
+ {
+ /* End of an editable region. Delete it. */
+ GtkTextIter start;
-static void
-gtk_text_buffer_real_remove_tag (GtkTextBuffer *buffer,
- GtkTextTag *tag,
- const GtkTextIter *start,
- const GtkTextIter *end)
-{
- gtk_text_btree_tag(start, end, tag, FALSE);
-}
+ gtk_text_buffer_get_iter_at_mark (buffer, &start, start_mark);
+ gtk_text_buffer_emit_delete (buffer, &start, &iter);
-static void
-gtk_text_buffer_emit_tag(GtkTextBuffer *buffer,
- const gchar *name,
- gboolean apply,
- const GtkTextIter *start,
- const GtkTextIter *end)
-{
- GtkTextTag *tag;
-
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- g_return_if_fail(name != NULL);
- g_return_if_fail(start != NULL);
- g_return_if_fail(end != NULL);
-
- tag = gtk_text_tag_table_lookup(buffer->tag_table,
- name);
+ /* It's more robust to ask for the state again then to assume that
+ * we're on the next not-editable segment. We don't know what the
+ * ::delete-range handler did.... maybe it deleted the following
+ * not-editable segment because it was associated with the editable
+ * segment.
+ */
+ current_state = gtk_text_iter_editable (&iter, default_editable);
+ deleted_stuff = TRUE;
- if (tag == NULL)
- {
- g_warning("Unknown tag `%s'", name);
- return;
+ /* revalidate user's iterators. */
+ *start_iter = start;
+ *end_iter = iter;
+ }
+ else
+ {
+ /* We are at the start of an editable region. We won't be deleting
+ * the previous region. Move start mark to start of this region.
+ */
+
+ g_assert (!current_state && new_state);
+
+ gtk_text_buffer_move_mark (buffer, start_mark, &iter);
+
+ current_state = TRUE;
+ }
+
+ if (done)
+ break;
}
- if (apply)
- gtk_signal_emit(GTK_OBJECT(buffer), signals[APPLY_TAG],
- tag, start, end);
- else
- gtk_signal_emit(GTK_OBJECT(buffer), signals[REMOVE_TAG],
- tag, start, end);
+ gtk_text_buffer_delete_mark (buffer, start_mark);
+ gtk_text_buffer_delete_mark (buffer, end_mark);
+
+ gtk_text_buffer_end_user_action (buffer);
+
+ return deleted_stuff;
}
+/*
+ * Extracting textual buffer contents
+ */
-void
-gtk_text_buffer_apply_tag(GtkTextBuffer *buffer,
- const gchar *name,
+/**
+ * gtk_text_buffer_get_text:
+ * @buffer: a #GtkTextBuffer
+ * @start: start of a range
+ * @end: end of a range
+ * @include_hidden_chars: whether to include invisible text
+ *
+ * Returns the text in the range [@start,@end). Excludes undisplayed
+ * text (text marked with tags that set the invisibility attribute) if
+ * @include_hidden_chars is %FALSE. Does not include characters
+ * representing embedded images, so byte and character indexes into
+ * the returned string do <emphasis>not</emphasis> correspond to byte
+ * and character indexes into the buffer. Contrast with
+ * gtk_text_buffer_get_slice().
+ *
+ * Return value: an allocated UTF-8 string
+ **/
+gchar*
+gtk_text_buffer_get_text (GtkTextBuffer *buffer,
const GtkTextIter *start,
- const GtkTextIter *end)
+ const GtkTextIter *end,
+ gboolean include_hidden_chars)
{
- gtk_text_buffer_emit_tag(buffer, name, TRUE, start, end);
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+ g_return_val_if_fail (start != NULL, NULL);
+ g_return_val_if_fail (end != NULL, NULL);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (start) == buffer, NULL);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (end) == buffer, NULL);
+
+ if (include_hidden_chars)
+ return gtk_text_iter_get_text (start, end);
+ else
+ return gtk_text_iter_get_visible_text (start, end);
}
-void
-gtk_text_buffer_remove_tag(GtkTextBuffer *buffer,
- const gchar *name,
+/**
+ * gtk_text_buffer_get_slice:
+ * @buffer: a #GtkTextBuffer
+ * @start: start of a range
+ * @end: end of a range
+ * @include_hidden_chars: whether to include invisible text
+ *
+ * Returns the text in the range [@start,@end). Excludes undisplayed
+ * text (text marked with tags that set the invisibility attribute) if
+ * @include_hidden_chars is %FALSE. The returned string includes a
+ * 0xFFFC character whenever the buffer contains
+ * embedded images, so byte and character indexes into
+ * the returned string <emphasis>do</emphasis> correspond to byte
+ * and character indexes into the buffer. Contrast with
+ * gtk_text_buffer_get_text(). Note that 0xFFFC can occur in normal
+ * text as well, so it is not a reliable indicator that a pixbuf or
+ * widget is in the buffer.
+ *
+ * Return value: an allocated UTF-8 string
+ **/
+gchar*
+gtk_text_buffer_get_slice (GtkTextBuffer *buffer,
const GtkTextIter *start,
- const GtkTextIter *end)
-
+ const GtkTextIter *end,
+ gboolean include_hidden_chars)
{
- gtk_text_buffer_emit_tag(buffer, name, FALSE, start, end);
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+ g_return_val_if_fail (start != NULL, NULL);
+ g_return_val_if_fail (end != NULL, NULL);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (start) == buffer, NULL);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (end) == buffer, NULL);
+
+ if (include_hidden_chars)
+ return gtk_text_iter_get_slice (start, end);
+ else
+ return gtk_text_iter_get_visible_slice (start, end);
}
-void
-gtk_text_buffer_apply_tag_to_chars(GtkTextBuffer *buffer,
- const gchar *name,
- gint start_char, gint end_char)
-{
- GtkTextIter start;
- GtkTextIter end;
+/*
+ * Pixbufs
+ */
- gtk_text_buffer_get_iter_at_char(buffer, &start, start_char);
- gtk_text_buffer_get_iter_at_char(buffer, &end, end_char);
-
- gtk_text_buffer_apply_tag(buffer, name, &start, &end);
+static void
+gtk_text_buffer_real_insert_pixbuf (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ GdkPixbuf *pixbuf)
+{
+ _gtk_text_btree_insert_pixbuf (iter, pixbuf);
+
+ g_signal_emit (buffer, signals[CHANGED], 0);
}
+/**
+ * gtk_text_buffer_insert_pixbuf:
+ * @buffer: a #GtkTextBuffer
+ * @iter: location to insert the pixbuf
+ * @pixbuf: a #GdkPixbuf
+ *
+ * Inserts an image into the text buffer at @iter. The image will be
+ * counted as one character in character counts, and when obtaining
+ * the buffer contents as a string, will be represented by the Unicode
+ * "object replacement character" 0xFFFC. Note that the "slice"
+ * variants for obtaining portions of the buffer as a string include
+ * this character for pixbufs, but the "text" variants do
+ * not. e.g. see gtk_text_buffer_get_slice() and
+ * gtk_text_buffer_get_text().
+ **/
void
-gtk_text_buffer_remove_tag_from_chars(GtkTextBuffer *buffer,
- const gchar *name,
- gint start_char, gint end_char)
+gtk_text_buffer_insert_pixbuf (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ GdkPixbuf *pixbuf)
{
- GtkTextIter start;
- GtkTextIter end;
-
- gtk_text_buffer_get_iter_at_char(buffer, &start, start_char);
- gtk_text_buffer_get_iter_at_char(buffer, &end, end_char);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
+ g_return_if_fail (gtk_text_iter_get_buffer (iter) == buffer);
- gtk_text_buffer_remove_tag(buffer, name, &start, &end);
+ g_signal_emit (buffer, signals[INSERT_PIXBUF], 0,
+ iter, pixbuf);
}
/*
- * Obtain various iterators
+ * Child anchor
*/
-void
-gtk_text_buffer_get_iter_at_line_char (GtkTextBuffer *buffer,
- GtkTextIter *iter,
- gint line_number,
- gint char_number)
-{
- g_return_if_fail(iter != NULL);
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
- gtk_text_btree_get_iter_at_line_char(buffer->tree,
- iter, line_number, char_number);
+static void
+gtk_text_buffer_real_insert_anchor (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ GtkTextChildAnchor *anchor)
+{
+ _gtk_text_btree_insert_child_anchor (iter, anchor);
+
+ g_signal_emit (buffer, signals[CHANGED], 0);
}
+/**
+ * gtk_text_buffer_insert_child_anchor:
+ * @buffer: a #GtkTextBuffer
+ * @iter: location to insert the anchor
+ * @anchor: a #GtkTextChildAnchor
+ *
+ * Inserts a child widget anchor into the text buffer at @iter. The
+ * anchor will be counted as one character in character counts, and
+ * when obtaining the buffer contents as a string, will be represented
+ * by the Unicode "object replacement character" 0xFFFC. Note that the
+ * "slice" variants for obtaining portions of the buffer as a string
+ * include this character for child anchors, but the "text" variants do
+ * not. E.g. see gtk_text_buffer_get_slice() and
+ * gtk_text_buffer_get_text(). Consider
+ * gtk_text_buffer_create_child_anchor() as a more convenient
+ * alternative to this function. The buffer will add a reference to
+ * the anchor, so you can unref it after insertion.
+ **/
void
-gtk_text_buffer_get_iter_at_line (GtkTextBuffer *buffer,
+gtk_text_buffer_insert_child_anchor (GtkTextBuffer *buffer,
GtkTextIter *iter,
- gint line_number)
+ GtkTextChildAnchor *anchor)
{
- g_return_if_fail(iter != NULL);
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
-
- gtk_text_buffer_get_iter_at_line_char(buffer, iter, line_number, 0);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_CHILD_ANCHOR (anchor));
+ g_return_if_fail (gtk_text_iter_get_buffer (iter) == buffer);
+
+ g_signal_emit (buffer, signals[INSERT_CHILD_ANCHOR], 0,
+ iter, anchor);
}
-void
-gtk_text_buffer_get_iter_at_char (GtkTextBuffer *buffer,
- GtkTextIter *iter,
- gint char_index)
+/**
+ * gtk_text_buffer_create_child_anchor:
+ * @buffer: a #GtkTextBuffer
+ * @iter: location in the buffer
+ *
+ * This is a convenience function which simply creates a child anchor
+ * with gtk_text_child_anchor_new() and inserts it into the buffer
+ * with gtk_text_buffer_insert_child_anchor(). The new anchor is
+ * owned by the buffer; no reference count is returned to
+ * the caller of gtk_text_buffer_create_child_anchor().
+ *
+ * Return value: (transfer none): the created child anchor
+ **/
+GtkTextChildAnchor*
+gtk_text_buffer_create_child_anchor (GtkTextBuffer *buffer,
+ GtkTextIter *iter)
{
- g_return_if_fail(iter != NULL);
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
+ GtkTextChildAnchor *anchor;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+ g_return_val_if_fail (iter != NULL, NULL);
+ g_return_val_if_fail (gtk_text_iter_get_buffer (iter) == buffer, NULL);
+
+ anchor = gtk_text_child_anchor_new ();
- gtk_text_btree_get_iter_at_char(buffer->tree, iter, char_index);
-}
+ gtk_text_buffer_insert_child_anchor (buffer, iter, anchor);
-void
-gtk_text_buffer_get_last_iter (GtkTextBuffer *buffer,
- GtkTextIter *iter)
-{
- g_return_if_fail(iter != NULL);
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
+ g_object_unref (anchor);
- gtk_text_btree_get_last_iter(buffer->tree, iter);
+ return anchor;
}
-void
-gtk_text_buffer_get_bounds (GtkTextBuffer *buffer,
- GtkTextIter *start,
- GtkTextIter *end)
-{
- g_return_if_fail(start != NULL);
- g_return_if_fail(end != NULL);
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
+/*
+ * Mark manipulation
+ */
- gtk_text_btree_get_iter_at_char(buffer->tree, start, 0);
- gtk_text_btree_get_last_iter(buffer->tree, end);
+static void
+gtk_text_buffer_mark_set (GtkTextBuffer *buffer,
+ const GtkTextIter *location,
+ GtkTextMark *mark)
+{
+ /* IMO this should NOT work like insert_text and delete_range,
+ * where the real action happens in the default handler.
+ *
+ * The reason is that the default handler would be _required_,
+ * i.e. the whole widget would start breaking and segfaulting if the
+ * default handler didn't get run. So you can't really override the
+ * default handler or stop the emission; that is, this signal is
+ * purely for notification, and not to allow users to modify the
+ * default behavior.
+ */
+
+ g_object_ref (mark);
+
+ g_signal_emit (buffer,
+ signals[MARK_SET],
+ 0,
+ location,
+ mark);
+
+ g_object_unref (mark);
}
-
-gboolean
-gtk_text_buffer_get_iter_from_string(GtkTextBuffer *buffer,
- GtkTextIter *iter,
- const gchar *index_string)
+/**
+ * gtk_text_buffer_set_mark:
+ * @buffer: a #GtkTextBuffer
+ * @mark_name: name of the mark
+ * @iter: location for the mark
+ * @left_gravity: if the mark is created by this function, gravity for
+ * the new mark
+ * @should_exist: if %TRUE, warn if the mark does not exist, and return
+ * immediately
+ *
+ * Move the mark to the given position, if not @should_exist,
+ * create the mark.
+ *
+ * Return value: mark
+ **/
+static GtkTextMark*
+gtk_text_buffer_set_mark (GtkTextBuffer *buffer,
+ GtkTextMark *existing_mark,
+ const gchar *mark_name,
+ const GtkTextIter *iter,
+ gboolean left_gravity,
+ gboolean should_exist)
{
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), FALSE);
+ GtkTextIter location;
+ GtkTextMark *mark;
- return gtk_text_btree_get_iter_from_string(buffer->tree,
- iter,
- index_string);
-}
+ g_return_val_if_fail (gtk_text_iter_get_buffer (iter) == buffer, NULL);
+
+ mark = _gtk_text_btree_set_mark (get_btree (buffer),
+ existing_mark,
+ mark_name,
+ left_gravity,
+ iter,
+ should_exist);
+
+ _gtk_text_btree_get_iter_at_mark (get_btree (buffer),
+ &location,
+ mark);
-/*
- * Modified flag
- */
+ gtk_text_buffer_mark_set (buffer, &location, mark);
-gboolean
-gtk_text_buffer_modified (GtkTextBuffer *buffer)
-{
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), FALSE);
-
- return buffer->modified;
+ return mark;
}
-void
-gtk_text_buffer_set_modified (GtkTextBuffer *buffer,
- gboolean setting)
+/**
+ * gtk_text_buffer_create_mark:
+ * @buffer: a #GtkTextBuffer
+ * @mark_name: (allow-none): name for mark, or %NULL
+ * @where: location to place mark
+ * @left_gravity: whether the mark has left gravity
+ *
+ * Creates a mark at position @where. If @mark_name is %NULL, the mark
+ * is anonymous; otherwise, the mark can be retrieved by name using
+ * gtk_text_buffer_get_mark(). If a mark has left gravity, and text is
+ * inserted at the mark's current location, the mark will be moved to
+ * the left of the newly-inserted text. If the mark has right gravity
+ * (@left_gravity = %FALSE), the mark will end up on the right of
+ * newly-inserted text. The standard left-to-right cursor is a mark
+ * with right gravity (when you type, the cursor stays on the right
+ * side of the text you're typing).
+ *
+ * The caller of this function does <emphasis>not</emphasis> own a
+ * reference to the returned #GtkTextMark, so you can ignore the
+ * return value if you like. Marks are owned by the buffer and go
+ * away when the buffer does.
+ *
+ * Emits the "mark-set" signal as notification of the mark's initial
+ * placement.
+ *
+ * Return value: (transfer none): the new #GtkTextMark object
+ **/
+GtkTextMark*
+gtk_text_buffer_create_mark (GtkTextBuffer *buffer,
+ const gchar *mark_name,
+ const GtkTextIter *where,
+ gboolean left_gravity)
{
- gboolean fixed_setting;
-
- g_return_if_fail(GTK_IS_TEXT_BUFFER(buffer));
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
- fixed_setting = setting != FALSE;
-
- if (buffer->modified == fixed_setting)
- return;
- else
- {
- buffer->modified = fixed_setting;
- gtk_signal_emit(GTK_OBJECT(buffer), signals[MODIFIED_CHANGED]);
- }
+ return gtk_text_buffer_set_mark (buffer, NULL, mark_name, where,
+ left_gravity, FALSE);
}
+/**
+ * gtk_text_buffer_add_mark:
+ * @buffer: a #GtkTextBuffer
+ * @mark: the mark to add
+ * @where: location to place mark
+ *
+ * Adds the mark at position @where. The mark must not be added to
+ * another buffer, and if its name is not %NULL then there must not
+ * be another mark in the buffer with the same name.
+ *
+ * Emits the "mark-set" signal as notification of the mark's initial
+ * placement.
+ *
+ * Since: 2.12
+ **/
+void
+gtk_text_buffer_add_mark (GtkTextBuffer *buffer,
+ GtkTextMark *mark,
+ const GtkTextIter *where)
+{
+ const gchar *name;
-/*
- * Clipboard
- */
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (GTK_IS_TEXT_MARK (mark));
+ g_return_if_fail (where != NULL);
+ g_return_if_fail (gtk_text_mark_get_buffer (mark) == NULL);
-static void
-set_clipboard_contents_nocopy(GtkTextBuffer *buffer,
- gchar *text)
-{
- if (text && *text == '\0')
+ name = gtk_text_mark_get_name (mark);
+
+ if (name != NULL && gtk_text_buffer_get_mark (buffer, name) != NULL)
{
- g_free(text);
- text = NULL;
+ g_critical ("Mark %s already exists in the buffer", name);
+ return;
}
-
- if (buffer->clipboard_text != NULL)
- g_free(buffer->clipboard_text);
- buffer->clipboard_text = text;
-
- gtk_text_buffer_update_clipboard_selection(buffer);
+ gtk_text_buffer_set_mark (buffer, mark, NULL, where, FALSE, FALSE);
}
+/**
+ * gtk_text_buffer_move_mark:
+ * @buffer: a #GtkTextBuffer
+ * @mark: a #GtkTextMark
+ * @where: new location for @mark in @buffer
+ *
+ * Moves @mark to the new location @where. Emits the "mark-set" signal
+ * as notification of the move.
+ **/
void
-gtk_text_buffer_set_clipboard_contents (GtkTextBuffer *buffer,
- const gchar *text)
+gtk_text_buffer_move_mark (GtkTextBuffer *buffer,
+ GtkTextMark *mark,
+ const GtkTextIter *where)
{
- set_clipboard_contents_nocopy(buffer, text ? g_strdup(text) : NULL);
+ g_return_if_fail (GTK_IS_TEXT_MARK (mark));
+ g_return_if_fail (!gtk_text_mark_get_deleted (mark));
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ gtk_text_buffer_set_mark (buffer, mark, NULL, where, FALSE, TRUE);
}
-const gchar*
-gtk_text_buffer_get_clipboard_contents (GtkTextBuffer *buffer)
+/**
+ * gtk_text_buffer_get_iter_at_mark:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): iterator to initialize
+ * @mark: a #GtkTextMark in @buffer
+ *
+ * Initializes @iter with the current position of @mark.
+ **/
+void
+gtk_text_buffer_get_iter_at_mark (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ GtkTextMark *mark)
{
- return buffer->clipboard_text;
-}
+ g_return_if_fail (GTK_IS_TEXT_MARK (mark));
+ g_return_if_fail (!gtk_text_mark_get_deleted (mark));
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
-/*
- * Assorted other stuff
- */
+ _gtk_text_btree_get_iter_at_mark (get_btree (buffer),
+ iter,
+ mark);
+}
-gint
-gtk_text_buffer_get_line_count(GtkTextBuffer *buffer)
+/**
+ * gtk_text_buffer_delete_mark:
+ * @buffer: a #GtkTextBuffer
+ * @mark: a #GtkTextMark in @buffer
+ *
+ * Deletes @mark, so that it's no longer located anywhere in the
+ * buffer. Removes the reference the buffer holds to the mark, so if
+ * you haven't called g_object_ref() on the mark, it will be freed. Even
+ * if the mark isn't freed, most operations on @mark become
+ * invalid, until it gets added to a buffer again with
+ * gtk_text_buffer_add_mark(). Use gtk_text_mark_get_deleted() to
+ * find out if a mark has been removed from its buffer.
+ * The "mark-deleted" signal will be emitted as notification after
+ * the mark is deleted.
+ **/
+void
+gtk_text_buffer_delete_mark (GtkTextBuffer *buffer,
+ GtkTextMark *mark)
{
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), 0);
-
- return gtk_text_btree_line_count(buffer->tree);
+ g_return_if_fail (GTK_IS_TEXT_MARK (mark));
+ g_return_if_fail (!gtk_text_mark_get_deleted (mark));
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ g_object_ref (mark);
+
+ _gtk_text_btree_remove_mark (get_btree (buffer), mark);
+
+ /* See rationale above for MARK_SET on why we emit this after
+ * removing the mark, rather than removing the mark in a default
+ * handler.
+ */
+ g_signal_emit (buffer, signals[MARK_DELETED],
+ 0,
+ mark);
+
+ g_object_unref (mark);
}
-gint
-gtk_text_buffer_get_char_count(GtkTextBuffer *buffer)
+/**
+ * gtk_text_buffer_get_mark:
+ * @buffer: a #GtkTextBuffer
+ * @name: a mark name
+ *
+ * Returns the mark named @name in buffer @buffer, or %NULL if no such
+ * mark exists in the buffer.
+ *
+ * Return value: (transfer none): a #GtkTextMark, or %NULL
+ **/
+GtkTextMark*
+gtk_text_buffer_get_mark (GtkTextBuffer *buffer,
+ const gchar *name)
{
- g_return_val_if_fail(GTK_IS_TEXT_BUFFER(buffer), 0);
+ GtkTextMark *mark;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+ g_return_val_if_fail (name != NULL, NULL);
+
+ mark = _gtk_text_btree_get_mark_by_name (get_btree (buffer), name);
- return gtk_text_btree_char_count(buffer->tree);
+ return mark;
}
-GSList*
-gtk_text_buffer_get_tags (GtkTextBuffer *buffer,
- const GtkTextIter *iter)
+/**
+ * gtk_text_buffer_move_mark_by_name:
+ * @buffer: a #GtkTextBuffer
+ * @name: name of a mark
+ * @where: new location for mark
+ *
+ * Moves the mark named @name (which must exist) to location @where.
+ * See gtk_text_buffer_move_mark() for details.
+ **/
+void
+gtk_text_buffer_move_mark_by_name (GtkTextBuffer *buffer,
+ const gchar *name,
+ const GtkTextIter *where)
{
- GSList *retval = NULL;
- GtkTextTag** tags;
- gint count = 0;
-
- tags = gtk_text_btree_get_tags(iter, &count);
+ GtkTextMark *mark;
- if (count > 0)
- {
- gint i;
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (name != NULL);
- gtk_text_tag_array_sort(tags, count);
-
- i = 0;
- while (i < count)
- {
- retval = g_slist_prepend(retval, tags[i]);
- ++i;
- }
+ mark = _gtk_text_btree_get_mark_by_name (get_btree (buffer), name);
- retval = g_slist_reverse(retval);
+ if (mark == NULL)
+ {
+ g_warning ("%s: no mark named '%s'", G_STRLOC, name);
+ return;
}
- if (tags)
- g_free(tags);
-
- return retval;
+ gtk_text_buffer_move_mark (buffer, mark, where);
}
-/*
- * Selection
- */
-
-static gboolean
-have_primary_x_selection(GtkWidget *widget)
+/**
+ * gtk_text_buffer_delete_mark_by_name:
+ * @buffer: a #GtkTextBuffer
+ * @name: name of a mark in @buffer
+ *
+ * Deletes the mark named @name; the mark must exist. See
+ * gtk_text_buffer_delete_mark() for details.
+ **/
+void
+gtk_text_buffer_delete_mark_by_name (GtkTextBuffer *buffer,
+ const gchar *name)
{
- return (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) ==
- widget->window);
+ GtkTextMark *mark;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (name != NULL);
+
+ mark = _gtk_text_btree_get_mark_by_name (get_btree (buffer), name);
+
+ if (mark == NULL)
+ {
+ g_warning ("%s: no mark named '%s'", G_STRLOC, name);
+ return;
+ }
+
+ gtk_text_buffer_delete_mark (buffer, mark);
}
-static gboolean
-request_primary_x_selection(GtkWidget *widget, guint32 time)
+/**
+ * gtk_text_buffer_get_insert:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Returns the mark that represents the cursor (insertion point).
+ * Equivalent to calling gtk_text_buffer_get_mark() to get the mark
+ * named "insert", but very slightly more efficient, and involves less
+ * typing.
+ *
+ * Return value: (transfer none): insertion point mark
+ **/
+GtkTextMark*
+gtk_text_buffer_get_insert (GtkTextBuffer *buffer)
{
- return gtk_selection_owner_set (widget, GDK_SELECTION_PRIMARY, time);
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+
+ return _gtk_text_btree_get_insert (get_btree (buffer));
}
-static gboolean
-release_primary_x_selection(GtkWidget *widget, guint32 time)
+/**
+ * gtk_text_buffer_get_selection_bound:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Returns the mark that represents the selection bound. Equivalent
+ * to calling gtk_text_buffer_get_mark() to get the mark named
+ * "selection_bound", but very slightly more efficient, and involves
+ * less typing.
+ *
+ * The currently-selected text in @buffer is the region between the
+ * "selection_bound" and "insert" marks. If "selection_bound" and
+ * "insert" are in the same place, then there is no current selection.
+ * gtk_text_buffer_get_selection_bounds() is another convenient function
+ * for handling the selection, if you just want to know whether there's a
+ * selection and what its bounds are.
+ *
+ * Return value: (transfer none): selection bound mark
+ **/
+GtkTextMark*
+gtk_text_buffer_get_selection_bound (GtkTextBuffer *buffer)
{
- if (gdk_selection_owner_get (GDK_SELECTION_PRIMARY) ==
- widget->window)
- {
- gtk_selection_owner_set (NULL, GDK_SELECTION_PRIMARY, time);
- return TRUE;
- }
- else
- return FALSE;
-}
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+ return _gtk_text_btree_get_selection_bound (get_btree (buffer));
+}
-static gboolean
-have_clipboard_x_selection(GtkWidget *widget)
+/**
+ * gtk_text_buffer_get_iter_at_child_anchor:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): an iterator to be initialized
+ * @anchor: a child anchor that appears in @buffer
+ *
+ * Obtains the location of @anchor within @buffer.
+ **/
+void
+gtk_text_buffer_get_iter_at_child_anchor (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ GtkTextChildAnchor *anchor)
{
- return (gdk_selection_owner_get (clipboard_atom) ==
- widget->window);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_CHILD_ANCHOR (anchor));
+ g_return_if_fail (!gtk_text_child_anchor_get_deleted (anchor));
+
+ _gtk_text_btree_get_iter_at_child_anchor (get_btree (buffer),
+ iter,
+ anchor);
}
-static gboolean
-request_clipboard_x_selection(GtkWidget *widget, guint32 time)
+/**
+ * gtk_text_buffer_place_cursor:
+ * @buffer: a #GtkTextBuffer
+ * @where: where to put the cursor
+ *
+ * This function moves the "insert" and "selection_bound" marks
+ * simultaneously. If you move them to the same place in two steps
+ * with gtk_text_buffer_move_mark(), you will temporarily select a
+ * region in between their old and new locations, which can be pretty
+ * inefficient since the temporarily-selected region will force stuff
+ * to be recalculated. This function moves them as a unit, which can
+ * be optimized.
+ **/
+void
+gtk_text_buffer_place_cursor (GtkTextBuffer *buffer,
+ const GtkTextIter *where)
{
- return gtk_selection_owner_set (widget, clipboard_atom, time);
+ gtk_text_buffer_select_range (buffer, where, where);
}
-static gboolean
-release_clipboard_x_selection(GtkWidget *widget, guint32 time)
+/**
+ * gtk_text_buffer_select_range:
+ * @buffer: a #GtkTextBuffer
+ * @ins: where to put the "insert" mark
+ * @bound: where to put the "selection_bound" mark
+ *
+ * This function moves the "insert" and "selection_bound" marks
+ * simultaneously. If you move them in two steps
+ * with gtk_text_buffer_move_mark(), you will temporarily select a
+ * region in between their old and new locations, which can be pretty
+ * inefficient since the temporarily-selected region will force stuff
+ * to be recalculated. This function moves them as a unit, which can
+ * be optimized.
+ *
+ * Since: 2.4
+ **/
+void
+gtk_text_buffer_select_range (GtkTextBuffer *buffer,
+ const GtkTextIter *ins,
+ const GtkTextIter *bound)
{
- if (gdk_selection_owner_get (clipboard_atom) ==
- widget->window)
- {
- gtk_selection_owner_set (NULL, clipboard_atom, time);
- return TRUE;
- }
- else
- return FALSE;
+ GtkTextIter real_ins;
+ GtkTextIter real_bound;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ real_ins = *ins;
+ real_bound = *bound;
+
+ _gtk_text_btree_select_range (get_btree (buffer), &real_ins, &real_bound);
+ gtk_text_buffer_mark_set (buffer, &real_ins,
+ gtk_text_buffer_get_insert (buffer));
+ gtk_text_buffer_mark_set (buffer, &real_bound,
+ gtk_text_buffer_get_selection_bound (buffer));
}
-/* Called when we lose the selection */
-static gint
-selection_clear_event(GtkWidget *widget, GdkEventSelection *event,
- gpointer data)
+/*
+ * Tags
+ */
+
+/**
+ * gtk_text_buffer_create_tag:
+ * @buffer: a #GtkTextBuffer
+ * @tag_name: (allow-none): name of the new tag, or %NULL
+ * @first_property_name: (allow-none): name of first property to set, or %NULL
+ * @...: %NULL-terminated list of property names and values
+ *
+ * Creates a tag and adds it to the tag table for @buffer.
+ * Equivalent to calling gtk_text_tag_new() and then adding the
+ * tag to the buffer's tag table. The returned tag is owned by
+ * the buffer's tag table, so the ref count will be equal to one.
+ *
+ * If @tag_name is %NULL, the tag is anonymous.
+ *
+ * If @tag_name is non-%NULL, a tag called @tag_name must not already
+ * exist in the tag table for this buffer.
+ *
+ * The @first_property_name argument and subsequent arguments are a list
+ * of properties to set on the tag, as with g_object_set().
+ *
+ * Return value: (transfer none): a new tag
+ */
+GtkTextTag*
+gtk_text_buffer_create_tag (GtkTextBuffer *buffer,
+ const gchar *tag_name,
+ const gchar *first_property_name,
+ ...)
{
- GtkTextBuffer *buffer;
+ GtkTextTag *tag;
+ va_list list;
- buffer = GTK_TEXT_BUFFER(data);
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
- /* Let the selection handling code know that the selection
- * has been changed, since we've overriden the default handler */
- if (!gtk_selection_clear (widget, event))
- return FALSE;
+ tag = gtk_text_tag_new (tag_name);
- buffer->have_selection = FALSE;
-
- if (event->selection == GDK_SELECTION_PRIMARY)
- {
- /* Move selection_bound to the insertion point */
- GtkTextIter insert;
- GtkTextIter selection_bound;
+ gtk_text_tag_table_add (get_table (buffer), tag);
- gtk_text_buffer_get_iter_at_mark(buffer, &insert, "insert");
- gtk_text_buffer_get_iter_at_mark(buffer, &selection_bound, "selection_bound");
-
- if (!gtk_text_iter_equal(&insert, &selection_bound))
- gtk_text_buffer_move_mark(buffer, "selection_bound", &insert);
- }
- else if (event->selection == clipboard_atom)
+ if (first_property_name)
{
- gtk_text_buffer_set_clipboard_contents(buffer, NULL);
+ va_start (list, first_property_name);
+ g_object_set_valist (G_OBJECT (tag), first_property_name, list);
+ va_end (list);
}
+
+ g_object_unref (tag);
- return TRUE;
+ return tag;
}
-/* Called when we have the selection and someone else wants our
- data in order to paste it */
static void
-selection_get (GtkWidget *widget,
- GtkSelectionData *selection_data,
- guint info,
- guint time,
- gpointer data)
+gtk_text_buffer_real_apply_tag (GtkTextBuffer *buffer,
+ GtkTextTag *tag,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
{
- GtkTextBuffer *buffer;
- gchar *str;
- guint length;
-
- buffer = GTK_TEXT_BUFFER(data);
-
- if (selection_data->selection == GDK_SELECTION_PRIMARY)
- {
- GtkTextIter start;
- GtkTextIter end;
-
- if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end))
- {
- /* Extract the selected text */
- str = gtk_text_iter_get_visible_text(&start, &end);
-
- length = strlen(str);
- }
- else
- return;
- }
- else
+ if (tag->priv->table != buffer->priv->tag_table)
{
- const gchar *cstr;
-
- cstr = gtk_text_buffer_get_clipboard_contents(buffer);
-
- if (cstr == NULL)
- return;
-
- str = g_strdup(cstr);
-
- length = strlen (str);
+ g_warning ("Can only apply tags that are in the tag table for the buffer");
+ return;
}
+
+ _gtk_text_btree_tag (start, end, tag, TRUE);
+}
- if (str)
+static void
+gtk_text_buffer_real_remove_tag (GtkTextBuffer *buffer,
+ GtkTextTag *tag,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+{
+ if (tag->priv->table != buffer->priv->tag_table)
{
- if (info == TARGET_UTF8_STRING)
- {
- /* Pass raw UTF8 */
- gtk_selection_data_set (selection_data,
- utf8_atom,
- 8*sizeof(gchar), (guchar *)str, length);
-
- }
- else if (info == TARGET_STRING ||
- info == TARGET_TEXT)
- {
- gchar *latin1;
-
- latin1 = gtk_text_utf_to_latin1(str, length);
-
- gtk_selection_data_set (selection_data,
- GDK_SELECTION_TYPE_STRING,
- 8*sizeof(gchar), latin1, strlen(latin1));
- g_free(latin1);
- }
- else if (info == TARGET_COMPOUND_TEXT)
- {
- /* FIXME convert UTF8 directly to current locale, not via
- latin1 */
-
- guchar *text;
- GdkAtom encoding;
- gint format;
- gint new_length;
- gchar *latin1;
-
- latin1 = gtk_text_utf_to_latin1(str, length);
-
- gdk_string_to_compound_text (latin1, &encoding, &format, &text, &new_length);
- gtk_selection_data_set (selection_data, encoding, format, text, new_length);
- gdk_free_compound_text (text);
-
- g_free(latin1);
- }
-
- g_free (str);
+ g_warning ("Can only remove tags that are in the tag table for the buffer");
+ return;
}
+
+ _gtk_text_btree_tag (start, end, tag, FALSE);
}
-/* Called when we request a paste and receive the data */
static void
-selection_received (GtkWidget *widget,
- GtkSelectionData *selection_data,
- guint time,
- gpointer data)
+gtk_text_buffer_real_changed (GtkTextBuffer *buffer)
{
- GtkTextBuffer *buffer;
- gboolean reselect;
- GtkTextIter insert_point;
- enum {INVALID, STRING, CTEXT, UTF8} type;
+ gtk_text_buffer_set_modified (buffer, TRUE);
+}
- g_return_if_fail (widget != NULL);
+static void
+gtk_text_buffer_real_mark_set (GtkTextBuffer *buffer,
+ const GtkTextIter *iter,
+ GtkTextMark *mark)
+{
+ GtkTextMark *insert;
- buffer = GTK_TEXT_BUFFER(data);
+ insert = gtk_text_buffer_get_insert (buffer);
- if (selection_data->type == GDK_TARGET_STRING)
- type = STRING;
- else if (selection_data->type == ctext_atom)
- type = CTEXT;
- else if (selection_data->type == utf8_atom)
- type = UTF8;
- else
- type = INVALID;
-
- if (type == INVALID || selection_data->length < 0)
- {
- /* If we asked for UTF8 and didn't get it, try text; if we asked
- for text and didn't get it, try string. If we asked for
- anything else and didn't get it, give up. */
- if (selection_data->target == utf8_atom)
- gtk_selection_convert (widget, selection_data->selection,
- GDK_TARGET_STRING, time);
- return;
- }
-
- if (gtk_text_buffer_get_iter_at_mark(buffer, &insert_point,
- "__paste_point_override"))
- {
- gtk_text_buffer_delete_mark(buffer, "__paste_point_override");
- }
- else
+ if (mark == insert || mark == gtk_text_buffer_get_selection_bound (buffer))
{
- gtk_text_buffer_get_iter_at_mark(buffer, &insert_point,
- "insert");
- }
-
- reselect = FALSE;
+ gboolean has_selection;
- if ((TRUE/* Text is selected FIXME */) &&
- (!buffer->have_selection ||
- (selection_data->selection == clipboard_atom)))
- {
- reselect = TRUE;
+ update_selection_clipboards (buffer);
+
+ has_selection = gtk_text_buffer_get_selection_bounds (buffer,
+ NULL,
+ NULL);
- if (buffer->have_selection)
+ if (has_selection != buffer->priv->has_selection)
{
- /* FIXME Delete currently-selected chars but don't give up X
- selection since we'll use the newly-pasted stuff as
- a new X selection */
-
+ buffer->priv->has_selection = has_selection;
+ g_object_notify (G_OBJECT (buffer), "has-selection");
}
- else
- ; /* FIXME Delete selected chars and give up X selection */
- }
-
- switch (type)
- {
- case STRING:
- {
- gchar *utf;
-
- utf = gtk_text_latin1_to_utf((const gchar*)selection_data->data,
- selection_data->length);
- gtk_text_buffer_insert (buffer, &insert_point,
- utf, -1);
- g_free(utf);
- }
- break;
-
- case UTF8:
- gtk_text_buffer_insert (buffer, &insert_point,
- (const gchar *)selection_data->data,
- selection_data->length);
- break;
-
- case CTEXT:
- {
- gchar **list;
- gint count;
- gint i;
-
- count = gdk_text_property_to_text_list (selection_data->type,
- selection_data->format,
- selection_data->data,
- selection_data->length,
- &list);
- for (i=0; i<count; i++)
- {
- /* FIXME this is broken, it assumes the CTEXT is latin1
- when it probably isn't. */
- gchar *utf;
-
- utf = gtk_text_latin1_to_utf(list[i], strlen(list[i]));
-
- gtk_text_buffer_insert(buffer, &insert_point, utf, -1);
-
- g_free(utf);
- }
-
- if (count > 0)
- gdk_free_text_list (list);
- }
- break;
-
- case INVALID: /* quiet compiler */
- break;
}
-
- if (reselect)
- ; /* FIXME Select the region of text we just inserted */
-
+
+ if (mark == insert)
+ g_object_notify (G_OBJECT (buffer), "cursor-position");
}
static void
-ensure_handlers(GtkTextBuffer *buffer)
+gtk_text_buffer_emit_tag (GtkTextBuffer *buffer,
+ GtkTextTag *tag,
+ gboolean apply,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
{
- if (!buffer->selection_handlers_installed)
- {
- buffer->selection_handlers_installed = TRUE;
+ GtkTextIter start_tmp = *start;
+ GtkTextIter end_tmp = *end;
- gtk_signal_connect(GTK_OBJECT(buffer->selection_widget),
- "selection_clear_event",
- GTK_SIGNAL_FUNC(selection_clear_event),
- buffer);
+ g_return_if_fail (tag != NULL);
- gtk_signal_connect(GTK_OBJECT(buffer->selection_widget),
- "selection_received",
- GTK_SIGNAL_FUNC(selection_received),
- buffer);
+ gtk_text_iter_order (&start_tmp, &end_tmp);
- gtk_signal_connect(GTK_OBJECT(buffer->selection_widget),
- "selection_get",
- GTK_SIGNAL_FUNC(selection_get),
- buffer);
- }
+ if (apply)
+ g_signal_emit (buffer, signals[APPLY_TAG],
+ 0,
+ tag, &start_tmp, &end_tmp);
+ else
+ g_signal_emit (buffer, signals[REMOVE_TAG],
+ 0,
+ tag, &start_tmp, &end_tmp);
}
-/* FIXME GDK_CURRENT_TIME should probably go away and we should
- figure out how to get the events in here */
-static void
-gtk_text_buffer_update_primary_selection(GtkTextBuffer *buffer)
+/**
+ * gtk_text_buffer_apply_tag:
+ * @buffer: a #GtkTextBuffer
+ * @tag: a #GtkTextTag
+ * @start: one bound of range to be tagged
+ * @end: other bound of range to be tagged
+ *
+ * Emits the "apply-tag" signal on @buffer. The default
+ * handler for the signal applies @tag to the given range.
+ * @start and @end do not have to be in order.
+ **/
+void
+gtk_text_buffer_apply_tag (GtkTextBuffer *buffer,
+ GtkTextTag *tag,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+{
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (GTK_IS_TEXT_TAG (tag));
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (start) == buffer);
+ g_return_if_fail (gtk_text_iter_get_buffer (end) == buffer);
+ g_return_if_fail (tag->priv->table == buffer->priv->tag_table);
+
+ gtk_text_buffer_emit_tag (buffer, tag, TRUE, start, end);
+}
+
+/**
+ * gtk_text_buffer_remove_tag:
+ * @buffer: a #GtkTextBuffer
+ * @tag: a #GtkTextTag
+ * @start: one bound of range to be untagged
+ * @end: other bound of range to be untagged
+ *
+ * Emits the "remove-tag" signal. The default handler for the signal
+ * removes all occurrences of @tag from the given range. @start and
+ * @end don't have to be in order.
+ **/
+void
+gtk_text_buffer_remove_tag (GtkTextBuffer *buffer,
+ GtkTextTag *tag,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+
+{
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (GTK_IS_TEXT_TAG (tag));
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (start) == buffer);
+ g_return_if_fail (gtk_text_iter_get_buffer (end) == buffer);
+ g_return_if_fail (tag->priv->table == buffer->priv->tag_table);
+
+ gtk_text_buffer_emit_tag (buffer, tag, FALSE, start, end);
+}
+
+/**
+ * gtk_text_buffer_apply_tag_by_name:
+ * @buffer: a #GtkTextBuffer
+ * @name: name of a named #GtkTextTag
+ * @start: one bound of range to be tagged
+ * @end: other bound of range to be tagged
+ *
+ * Calls gtk_text_tag_table_lookup() on the buffer's tag table to
+ * get a #GtkTextTag, then calls gtk_text_buffer_apply_tag().
+ **/
+void
+gtk_text_buffer_apply_tag_by_name (GtkTextBuffer *buffer,
+ const gchar *name,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+{
+ GtkTextTag *tag;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (name != NULL);
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (start) == buffer);
+ g_return_if_fail (gtk_text_iter_get_buffer (end) == buffer);
+
+ tag = gtk_text_tag_table_lookup (get_table (buffer),
+ name);
+
+ if (tag == NULL)
+ {
+ g_warning ("Unknown tag `%s'", name);
+ return;
+ }
+
+ gtk_text_buffer_emit_tag (buffer, tag, TRUE, start, end);
+}
+
+/**
+ * gtk_text_buffer_remove_tag_by_name:
+ * @buffer: a #GtkTextBuffer
+ * @name: name of a #GtkTextTag
+ * @start: one bound of range to be untagged
+ * @end: other bound of range to be untagged
+ *
+ * Calls gtk_text_tag_table_lookup() on the buffer's tag table to
+ * get a #GtkTextTag, then calls gtk_text_buffer_remove_tag().
+ **/
+void
+gtk_text_buffer_remove_tag_by_name (GtkTextBuffer *buffer,
+ const gchar *name,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+{
+ GtkTextTag *tag;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (name != NULL);
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (start) == buffer);
+ g_return_if_fail (gtk_text_iter_get_buffer (end) == buffer);
+
+ tag = gtk_text_tag_table_lookup (get_table (buffer),
+ name);
+
+ if (tag == NULL)
+ {
+ g_warning ("Unknown tag `%s'", name);
+ return;
+ }
+
+ gtk_text_buffer_emit_tag (buffer, tag, FALSE, start, end);
+}
+
+static gint
+pointer_cmp (gconstpointer a,
+ gconstpointer b)
+{
+ if (a < b)
+ return -1;
+ else if (a > b)
+ return 1;
+ else
+ return 0;
+}
+
+/**
+ * gtk_text_buffer_remove_all_tags:
+ * @buffer: a #GtkTextBuffer
+ * @start: one bound of range to be untagged
+ * @end: other bound of range to be untagged
+ *
+ * Removes all tags in the range between @start and @end. Be careful
+ * with this function; it could remove tags added in code unrelated to
+ * the code you're currently writing. That is, using this function is
+ * probably a bad idea if you have two or more unrelated code sections
+ * that add tags.
+ **/
+void
+gtk_text_buffer_remove_all_tags (GtkTextBuffer *buffer,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+{
+ GtkTextIter first, second, tmp;
+ GSList *tags;
+ GSList *tmp_list;
+ GSList *prev, *next;
+ GtkTextTag *tag;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (gtk_text_iter_get_buffer (start) == buffer);
+ g_return_if_fail (gtk_text_iter_get_buffer (end) == buffer);
+
+ first = *start;
+ second = *end;
+
+ gtk_text_iter_order (&first, &second);
+
+ /* Get all tags turned on at the start */
+ tags = gtk_text_iter_get_tags (&first);
+
+ /* Find any that are toggled on within the range */
+ tmp = first;
+ while (gtk_text_iter_forward_to_tag_toggle (&tmp, NULL))
+ {
+ GSList *toggled;
+ GSList *tmp_list2;
+
+ if (gtk_text_iter_compare (&tmp, &second) >= 0)
+ break; /* past the end of the range */
+
+ toggled = gtk_text_iter_get_toggled_tags (&tmp, TRUE);
+
+ /* We could end up with a really big-ass list here.
+ * Fix it someday.
+ */
+ tmp_list2 = toggled;
+ while (tmp_list2 != NULL)
+ {
+ tags = g_slist_prepend (tags, tmp_list2->data);
+
+ tmp_list2 = g_slist_next (tmp_list2);
+ }
+
+ g_slist_free (toggled);
+ }
+
+ /* Sort the list */
+ tags = g_slist_sort (tags, pointer_cmp);
+
+ /* Strip duplicates */
+ tag = NULL;
+ prev = NULL;
+ tmp_list = tags;
+ while (tmp_list != NULL)
+ {
+ if (tag == tmp_list->data)
+ {
+ /* duplicate */
+ next = tmp_list->next;
+ if (prev)
+ prev->next = next;
+
+ tmp_list->next = NULL;
+
+ g_slist_free (tmp_list);
+
+ tmp_list = next;
+ /* prev is unchanged */
+ }
+ else
+ {
+ /* not a duplicate */
+ tag = GTK_TEXT_TAG (tmp_list->data);
+ prev = tmp_list;
+ tmp_list = tmp_list->next;
+ }
+ }
+
+ g_slist_foreach (tags, (GFunc) g_object_ref, NULL);
+
+ tmp_list = tags;
+ while (tmp_list != NULL)
+ {
+ tag = GTK_TEXT_TAG (tmp_list->data);
+
+ gtk_text_buffer_remove_tag (buffer, tag, &first, &second);
+
+ tmp_list = tmp_list->next;
+ }
+
+ g_slist_foreach (tags, (GFunc) g_object_unref, NULL);
+
+ g_slist_free (tags);
+}
+
+
+/*
+ * Obtain various iterators
+ */
+
+/**
+ * gtk_text_buffer_get_iter_at_line_offset:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): iterator to initialize
+ * @line_number: line number counting from 0
+ * @char_offset: char offset from start of line
+ *
+ * Obtains an iterator pointing to @char_offset within the given
+ * line. The @char_offset must exist, offsets off the end of the line
+ * are not allowed. Note <emphasis>characters</emphasis>, not bytes;
+ * UTF-8 may encode one character as multiple bytes.
+ **/
+void
+gtk_text_buffer_get_iter_at_line_offset (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ gint line_number,
+ gint char_offset)
+{
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ _gtk_text_btree_get_iter_at_line_char (get_btree (buffer),
+ iter, line_number, char_offset);
+}
+
+/**
+ * gtk_text_buffer_get_iter_at_line_index:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): iterator to initialize
+ * @line_number: line number counting from 0
+ * @byte_index: byte index from start of line
+ *
+ * Obtains an iterator pointing to @byte_index within the given line.
+ * @byte_index must be the start of a UTF-8 character, and must not be
+ * beyond the end of the line. Note <emphasis>bytes</emphasis>, not
+ * characters; UTF-8 may encode one character as multiple bytes.
+ **/
+void
+gtk_text_buffer_get_iter_at_line_index (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ gint line_number,
+ gint byte_index)
+{
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ _gtk_text_btree_get_iter_at_line_byte (get_btree (buffer),
+ iter, line_number, byte_index);
+}
+
+/**
+ * gtk_text_buffer_get_iter_at_line:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): iterator to initialize
+ * @line_number: line number counting from 0
+ *
+ * Initializes @iter to the start of the given line.
+ **/
+void
+gtk_text_buffer_get_iter_at_line (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ gint line_number)
+{
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ gtk_text_buffer_get_iter_at_line_offset (buffer, iter, line_number, 0);
+}
+
+/**
+ * gtk_text_buffer_get_iter_at_offset:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): iterator to initialize
+ * @char_offset: char offset from start of buffer, counting from 0, or -1
+ *
+ * Initializes @iter to a position @char_offset chars from the start
+ * of the entire buffer. If @char_offset is -1 or greater than the number
+ * of characters in the buffer, @iter is initialized to the end iterator,
+ * the iterator one past the last valid character in the buffer.
+ **/
+void
+gtk_text_buffer_get_iter_at_offset (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ gint char_offset)
+{
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ _gtk_text_btree_get_iter_at_char (get_btree (buffer), iter, char_offset);
+}
+
+/**
+ * gtk_text_buffer_get_start_iter:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): iterator to initialize
+ *
+ * Initialized @iter with the first position in the text buffer. This
+ * is the same as using gtk_text_buffer_get_iter_at_offset() to get
+ * the iter at character offset 0.
+ **/
+void
+gtk_text_buffer_get_start_iter (GtkTextBuffer *buffer,
+ GtkTextIter *iter)
+{
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ _gtk_text_btree_get_iter_at_char (get_btree (buffer), iter, 0);
+}
+
+/**
+ * gtk_text_buffer_get_end_iter:
+ * @buffer: a #GtkTextBuffer
+ * @iter: (out): iterator to initialize
+ *
+ * Initializes @iter with the "end iterator," one past the last valid
+ * character in the text buffer. If dereferenced with
+ * gtk_text_iter_get_char(), the end iterator has a character value of
+ * 0. The entire buffer lies in the range from the first position in
+ * the buffer (call gtk_text_buffer_get_start_iter() to get
+ * character position 0) to the end iterator.
+ **/
+void
+gtk_text_buffer_get_end_iter (GtkTextBuffer *buffer,
+ GtkTextIter *iter)
+{
+ g_return_if_fail (iter != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ _gtk_text_btree_get_end_iter (get_btree (buffer), iter);
+}
+
+/**
+ * gtk_text_buffer_get_bounds:
+ * @buffer: a #GtkTextBuffer
+ * @start: (out): iterator to initialize with first position in the buffer
+ * @end: (out): iterator to initialize with the end iterator
+ *
+ * Retrieves the first and last iterators in the buffer, i.e. the
+ * entire buffer lies within the range [@start,@end).
+ **/
+void
+gtk_text_buffer_get_bounds (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ _gtk_text_btree_get_iter_at_char (get_btree (buffer), start, 0);
+ _gtk_text_btree_get_end_iter (get_btree (buffer), end);
+}
+
+/*
+ * Modified flag
+ */
+
+/**
+ * gtk_text_buffer_get_modified:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Indicates whether the buffer has been modified since the last call
+ * to gtk_text_buffer_set_modified() set the modification flag to
+ * %FALSE. Used for example to enable a "save" function in a text
+ * editor.
+ *
+ * Return value: %TRUE if the buffer has been modified
+ **/
+gboolean
+gtk_text_buffer_get_modified (GtkTextBuffer *buffer)
+{
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+
+ return buffer->priv->modified;
+}
+
+/**
+ * gtk_text_buffer_set_modified:
+ * @buffer: a #GtkTextBuffer
+ * @setting: modification flag setting
+ *
+ * Used to keep track of whether the buffer has been modified since the
+ * last time it was saved. Whenever the buffer is saved to disk, call
+ * gtk_text_buffer_set_modified (@buffer, FALSE). When the buffer is modified,
+ * it will automatically toggled on the modified bit again. When the modified
+ * bit flips, the buffer emits a "modified-changed" signal.
+ **/
+void
+gtk_text_buffer_set_modified (GtkTextBuffer *buffer,
+ gboolean setting)
+{
+ gboolean fixed_setting;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ fixed_setting = setting != FALSE;
+
+ if (buffer->priv->modified == fixed_setting)
+ return;
+ else
+ {
+ buffer->priv->modified = fixed_setting;
+ g_signal_emit (buffer, signals[MODIFIED_CHANGED], 0);
+ }
+}
+
+/**
+ * gtk_text_buffer_get_has_selection:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Indicates whether the buffer has some text currently selected.
+ *
+ * Return value: %TRUE if the there is text selected
+ *
+ * Since: 2.10
+ **/
+gboolean
+gtk_text_buffer_get_has_selection (GtkTextBuffer *buffer)
+{
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+
+ return buffer->priv->has_selection;
+}
+
+
+/*
+ * Assorted other stuff
+ */
+
+/**
+ * gtk_text_buffer_get_line_count:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Obtains the number of lines in the buffer. This value is cached, so
+ * the function is very fast.
+ *
+ * Return value: number of lines in the buffer
+ **/
+gint
+gtk_text_buffer_get_line_count (GtkTextBuffer *buffer)
+{
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), 0);
+
+ return _gtk_text_btree_line_count (get_btree (buffer));
+}
+
+/**
+ * gtk_text_buffer_get_char_count:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Gets the number of characters in the buffer; note that characters
+ * and bytes are not the same, you can't e.g. expect the contents of
+ * the buffer in string form to be this many bytes long. The character
+ * count is cached, so this function is very fast.
+ *
+ * Return value: number of characters in the buffer
+ **/
+gint
+gtk_text_buffer_get_char_count (GtkTextBuffer *buffer)
+{
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), 0);
+
+ return _gtk_text_btree_char_count (get_btree (buffer));
+}
+
+/* Called when we lose the primary selection.
+ */
+static void
+clipboard_clear_selection_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ /* Move selection_bound to the insertion point */
+ GtkTextIter insert;
+ GtkTextIter selection_bound;
+ GtkTextBuffer *buffer = GTK_TEXT_BUFFER (data);
+
+ gtk_text_buffer_get_iter_at_mark (buffer, &insert,
+ gtk_text_buffer_get_insert (buffer));
+ gtk_text_buffer_get_iter_at_mark (buffer, &selection_bound,
+ gtk_text_buffer_get_selection_bound (buffer));
+
+ if (!gtk_text_iter_equal (&insert, &selection_bound))
+ gtk_text_buffer_move_mark (buffer,
+ gtk_text_buffer_get_selection_bound (buffer),
+ &insert);
+}
+
+/* Called when we have the primary selection and someone else wants our
+ * data in order to paste it.
+ */
+static void
+clipboard_get_selection_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ GtkTextBuffer *buffer = GTK_TEXT_BUFFER (data);
+ GtkTextIter start, end;
+
+ if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
+ {
+ if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
+ {
+ /* Provide the address of the buffer; this will only be
+ * used within-process
+ */
+ gtk_selection_data_set (selection_data,
+ gtk_selection_data_get_target (selection_data),
+ 8, /* bytes */
+ (void*)&buffer,
+ sizeof (buffer));
+ }
+ else if (info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
+ {
+ guint8 *str;
+ gsize len;
+
+ str = gtk_text_buffer_serialize (buffer, buffer,
+ gtk_selection_data_get_target (selection_data),
+ &start, &end, &len);
+
+ gtk_selection_data_set (selection_data,
+ gtk_selection_data_get_target (selection_data),
+ 8, /* bytes */
+ str, len);
+ g_free (str);
+ }
+ else
+ {
+ gchar *str;
+
+ str = gtk_text_iter_get_visible_text (&start, &end);
+ gtk_selection_data_set_text (selection_data, str, -1);
+ g_free (str);
+ }
+ }
+}
+
+static GtkTextBuffer *
+create_clipboard_contents_buffer (GtkTextBuffer *buffer)
+{
+ GtkTextBuffer *contents;
+
+ contents = gtk_text_buffer_new (gtk_text_buffer_get_tag_table (buffer));
+
+ g_object_set_data (G_OBJECT (contents), I_("gtk-text-buffer-clipboard-source"),
+ buffer);
+ g_object_set_data (G_OBJECT (contents), I_("gtk-text-buffer-clipboard"),
+ GINT_TO_POINTER (1));
+
+ /* Ref the source buffer as long as the clipboard contents buffer
+ * exists, because it's needed for serializing the contents buffer.
+ * See http://bugzilla.gnome.org/show_bug.cgi?id=339195
+ */
+ g_object_ref (buffer);
+ g_object_weak_ref (G_OBJECT (contents), (GWeakNotify) g_object_unref, buffer);
+
+ return contents;
+}
+
+/* Provide cut/copied data */
+static void
+clipboard_get_contents_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ GtkTextBuffer *contents = GTK_TEXT_BUFFER (data);
+
+ g_assert (contents); /* This should never be called unless we own the clipboard */
+
+ if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
+ {
+ /* Provide the address of the clipboard buffer; this will only
+ * be used within-process. OK to supply a NULL value for contents.
+ */
+ gtk_selection_data_set (selection_data,
+ gtk_selection_data_get_target (selection_data),
+ 8, /* bytes */
+ (void*)&contents,
+ sizeof (contents));
+ }
+ else if (info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
+ {
+ GtkTextBuffer *clipboard_source_buffer;
+ GtkTextIter start, end;
+ guint8 *str;
+ gsize len;
+
+ clipboard_source_buffer = g_object_get_data (G_OBJECT (contents),
+ "gtk-text-buffer-clipboard-source");
+
+ gtk_text_buffer_get_bounds (contents, &start, &end);
+
+ str = gtk_text_buffer_serialize (clipboard_source_buffer, contents,
+ gtk_selection_data_get_target (selection_data),
+ &start, &end, &len);
+
+ gtk_selection_data_set (selection_data,
+ gtk_selection_data_get_target (selection_data),
+ 8, /* bytes */
+ str, len);
+ g_free (str);
+ }
+ else
+ {
+ gchar *str;
+ GtkTextIter start, end;
+
+ gtk_text_buffer_get_bounds (contents, &start, &end);
+
+ str = gtk_text_iter_get_visible_text (&start, &end);
+ gtk_selection_data_set_text (selection_data, str, -1);
+ g_free (str);
+ }
+}
+
+static void
+clipboard_clear_contents_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ GtkTextBuffer *contents = GTK_TEXT_BUFFER (data);
+
+ g_object_unref (contents);
+}
+
+static void
+get_paste_point (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ gboolean clear_afterward)
+{
+ GtkTextIter insert_point;
+ GtkTextMark *paste_point_override;
+
+ paste_point_override = gtk_text_buffer_get_mark (buffer,
+ "gtk_paste_point_override");
+
+ if (paste_point_override != NULL)
+ {
+ gtk_text_buffer_get_iter_at_mark (buffer, &insert_point,
+ paste_point_override);
+ if (clear_afterward)
+ gtk_text_buffer_delete_mark (buffer, paste_point_override);
+ }
+ else
+ {
+ gtk_text_buffer_get_iter_at_mark (buffer, &insert_point,
+ gtk_text_buffer_get_insert (buffer));
+ }
+
+ *iter = insert_point;
+}
+
+static void
+pre_paste_prep (ClipboardRequest *request_data,
+ GtkTextIter *insert_point)
+{
+ GtkTextBuffer *buffer = request_data->buffer;
+
+ get_paste_point (buffer, insert_point, TRUE);
+
+ /* If we're going to replace the selection, we insert before it to
+ * avoid messing it up, then we delete the selection after inserting.
+ */
+ if (request_data->replace_selection)
+ {
+ GtkTextIter start, end;
+
+ if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
+ *insert_point = start;
+ }
+}
+
+static void
+post_paste_cleanup (ClipboardRequest *request_data)
+{
+ if (request_data->replace_selection)
+ {
+ GtkTextIter start, end;
+
+ if (gtk_text_buffer_get_selection_bounds (request_data->buffer,
+ &start, &end))
+ {
+ if (request_data->interactive)
+ gtk_text_buffer_delete_interactive (request_data->buffer,
+ &start,
+ &end,
+ request_data->default_editable);
+ else
+ gtk_text_buffer_delete (request_data->buffer, &start, &end);
+ }
+ }
+}
+
+static void
+emit_paste_done (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard)
+{
+ g_signal_emit (buffer, signals[PASTE_DONE], 0, clipboard);
+}
+
+static void
+free_clipboard_request (ClipboardRequest *request_data)
+{
+ g_object_unref (request_data->buffer);
+ g_free (request_data);
+}
+
+/* Called when we request a paste and receive the text data
+ */
+static void
+clipboard_text_received (GtkClipboard *clipboard,
+ const gchar *str,
+ gpointer data)
+{
+ ClipboardRequest *request_data = data;
+ GtkTextBuffer *buffer = request_data->buffer;
+
+ if (str)
+ {
+ GtkTextIter insert_point;
+
+ if (request_data->interactive)
+ gtk_text_buffer_begin_user_action (buffer);
+
+ pre_paste_prep (request_data, &insert_point);
+
+ if (request_data->interactive)
+ gtk_text_buffer_insert_interactive (buffer, &insert_point,
+ str, -1, request_data->default_editable);
+ else
+ gtk_text_buffer_insert (buffer, &insert_point,
+ str, -1);
+
+ post_paste_cleanup (request_data);
+
+ if (request_data->interactive)
+ gtk_text_buffer_end_user_action (buffer);
+
+ emit_paste_done (buffer, clipboard);
+ }
+ else
+ {
+ /* It may happen that we set a point override but we are not inserting
+ any text, so we must remove it afterwards */
+ GtkTextMark *paste_point_override;
+
+ paste_point_override = gtk_text_buffer_get_mark (buffer,
+ "gtk_paste_point_override");
+
+ if (paste_point_override != NULL)
+ gtk_text_buffer_delete_mark (buffer, paste_point_override);
+ }
+
+ free_clipboard_request (request_data);
+}
+
+static GtkTextBuffer*
+selection_data_get_buffer (GtkSelectionData *selection_data,
+ ClipboardRequest *request_data)
+{
+ GdkWindow *owner;
+ GtkTextBuffer *src_buffer = NULL;
+
+ /* If we can get the owner, the selection is in-process */
+ owner = gdk_selection_owner_get_for_display (gtk_selection_data_get_display (selection_data),
+ gtk_selection_data_get_selection (selection_data));
+
+ if (owner == NULL)
+ return NULL;
+
+ if (gdk_window_get_window_type (owner) == GDK_WINDOW_FOREIGN)
+ return NULL;
+
+ if (gtk_selection_data_get_data_type (selection_data) != gdk_atom_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"))
+ return NULL;
+
+ if (gtk_selection_data_get_length (selection_data) != sizeof (src_buffer))
+ return NULL;
+
+ memcpy (&src_buffer, gtk_selection_data_get_data (selection_data), sizeof (src_buffer));
+
+ if (src_buffer == NULL)
+ return NULL;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (src_buffer), NULL);
+
+ if (gtk_text_buffer_get_tag_table (src_buffer) !=
+ gtk_text_buffer_get_tag_table (request_data->buffer))
+ return NULL;
+
+ return src_buffer;
+}
+
+#if 0
+/* These are pretty handy functions; maybe something like them
+ * should be in the public API. Also, there are other places in this
+ * file where they could be used.
+ */
+static gpointer
+save_iter (const GtkTextIter *iter,
+ gboolean left_gravity)
+{
+ return gtk_text_buffer_create_mark (gtk_text_iter_get_buffer (iter),
+ NULL,
+ iter,
+ TRUE);
+}
+
+static void
+restore_iter (const GtkTextIter *iter,
+ gpointer save_id)
+{
+ gtk_text_buffer_get_iter_at_mark (gtk_text_mark_get_buffer (save_id),
+ (GtkTextIter*) iter,
+ save_id);
+ gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (save_id),
+ save_id);
+}
+#endif
+
+static void
+clipboard_rich_text_received (GtkClipboard *clipboard,
+ GdkAtom format,
+ const guint8 *text,
+ gsize length,
+ gpointer data)
+{
+ ClipboardRequest *request_data = data;
+ GtkTextIter insert_point;
+ gboolean retval = TRUE;
+ GError *error = NULL;
+
+ if (text != NULL && length > 0)
+ {
+ pre_paste_prep (request_data, &insert_point);
+
+ if (request_data->interactive)
+ gtk_text_buffer_begin_user_action (request_data->buffer);
+
+ if (!request_data->interactive ||
+ gtk_text_iter_can_insert (&insert_point,
+ request_data->default_editable))
+ {
+ retval = gtk_text_buffer_deserialize (request_data->buffer,
+ request_data->buffer,
+ format,
+ &insert_point,
+ text, length,
+ &error);
+ }
+
+ if (!retval)
+ {
+ g_warning ("error pasting: %s\n", error->message);
+ g_clear_error (&error);
+ }
+
+ if (request_data->interactive)
+ gtk_text_buffer_end_user_action (request_data->buffer);
+
+ emit_paste_done (request_data->buffer, clipboard);
+
+ if (retval)
+ {
+ post_paste_cleanup (request_data);
+ return;
+ }
+ }
+
+ /* Request the text selection instead */
+ gtk_clipboard_request_text (clipboard,
+ clipboard_text_received,
+ data);
+}
+
+static void
+paste_from_buffer (GtkClipboard *clipboard,
+ ClipboardRequest *request_data,
+ GtkTextBuffer *src_buffer,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+{
+ GtkTextIter insert_point;
+ GtkTextBuffer *buffer = request_data->buffer;
+
+ /* We're about to emit a bunch of signals, so be safe */
+ g_object_ref (src_buffer);
+
+ pre_paste_prep (request_data, &insert_point);
+
+ if (request_data->interactive)
+ gtk_text_buffer_begin_user_action (buffer);
+
+ if (!gtk_text_iter_equal (start, end))
+ {
+ if (!request_data->interactive ||
+ (gtk_text_iter_can_insert (&insert_point,
+ request_data->default_editable)))
+ gtk_text_buffer_real_insert_range (buffer,
+ &insert_point,
+ start,
+ end,
+ request_data->interactive);
+ }
+
+ post_paste_cleanup (request_data);
+
+ if (request_data->interactive)
+ gtk_text_buffer_end_user_action (buffer);
+
+ emit_paste_done (buffer, clipboard);
+
+ g_object_unref (src_buffer);
+
+ free_clipboard_request (request_data);
+}
+
+static void
+clipboard_clipboard_buffer_received (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ gpointer data)
+{
+ ClipboardRequest *request_data = data;
+ GtkTextBuffer *src_buffer;
+
+ src_buffer = selection_data_get_buffer (selection_data, request_data);
+
+ if (src_buffer)
+ {
+ GtkTextIter start, end;
+
+ if (g_object_get_data (G_OBJECT (src_buffer), "gtk-text-buffer-clipboard"))
+ {
+ gtk_text_buffer_get_bounds (src_buffer, &start, &end);
+
+ paste_from_buffer (clipboard, request_data, src_buffer,
+ &start, &end);
+ }
+ else
+ {
+ if (gtk_text_buffer_get_selection_bounds (src_buffer, &start, &end))
+ paste_from_buffer (clipboard, request_data, src_buffer,
+ &start, &end);
+ }
+ }
+ else
+ {
+ if (gtk_clipboard_wait_is_rich_text_available (clipboard,
+ request_data->buffer))
+ {
+ /* Request rich text */
+ gtk_clipboard_request_rich_text (clipboard,
+ request_data->buffer,
+ clipboard_rich_text_received,
+ data);
+ }
+ else
+ {
+ /* Request the text selection instead */
+ gtk_clipboard_request_text (clipboard,
+ clipboard_text_received,
+ data);
+ }
+ }
+}
+
+typedef struct
+{
+ GtkClipboard *clipboard;
+ guint ref_count;
+} SelectionClipboard;
+
+static void
+update_selection_clipboards (GtkTextBuffer *buffer)
+{
+ GtkTextBufferPrivate *priv;
+ GSList *tmp_list = buffer->priv->selection_clipboards;
+
+ priv = buffer->priv;
+
+ gtk_text_buffer_get_copy_target_list (buffer);
+
+ while (tmp_list)
+ {
+ GtkTextIter start;
+ GtkTextIter end;
+
+ SelectionClipboard *selection_clipboard = tmp_list->data;
+ GtkClipboard *clipboard = selection_clipboard->clipboard;
+
+ /* Determine whether we have a selection and adjust X selection
+ * accordingly.
+ */
+ if (!gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
+ {
+ if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (buffer))
+ gtk_clipboard_clear (clipboard);
+ }
+ else
+ {
+ /* Even if we already have the selection, we need to update our
+ * timestamp.
+ */
+ if (!gtk_clipboard_set_with_owner (clipboard,
+ priv->copy_target_entries,
+ priv->n_copy_target_entries,
+ clipboard_get_selection_cb,
+ clipboard_clear_selection_cb,
+ G_OBJECT (buffer)))
+ clipboard_clear_selection_cb (clipboard, buffer);
+ }
+
+ tmp_list = tmp_list->next;
+ }
+}
+
+static SelectionClipboard *
+find_selection_clipboard (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard)
+{
+ GSList *tmp_list = buffer->priv->selection_clipboards;
+ while (tmp_list)
+ {
+ SelectionClipboard *selection_clipboard = tmp_list->data;
+ if (selection_clipboard->clipboard == clipboard)
+ return selection_clipboard;
+
+ tmp_list = tmp_list->next;
+ }
+
+ return NULL;
+}
+
+/**
+ * gtk_text_buffer_add_selection_clipboard:
+ * @buffer: a #GtkTextBuffer
+ * @clipboard: a #GtkClipboard
+ *
+ * Adds @clipboard to the list of clipboards in which the selection
+ * contents of @buffer are available. In most cases, @clipboard will be
+ * the #GtkClipboard of type %GDK_SELECTION_PRIMARY for a view of @buffer.
+ **/
+void
+gtk_text_buffer_add_selection_clipboard (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard)
+{
+ SelectionClipboard *selection_clipboard;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (clipboard != NULL);
+
+ selection_clipboard = find_selection_clipboard (buffer, clipboard);
+ if (selection_clipboard)
+ {
+ selection_clipboard->ref_count++;
+ }
+ else
+ {
+ selection_clipboard = g_new (SelectionClipboard, 1);
+
+ selection_clipboard->clipboard = clipboard;
+ selection_clipboard->ref_count = 1;
+
+ buffer->priv->selection_clipboards = g_slist_prepend (buffer->priv->selection_clipboards,
+ selection_clipboard);
+ }
+}
+
+/**
+ * gtk_text_buffer_remove_selection_clipboard:
+ * @buffer: a #GtkTextBuffer
+ * @clipboard: a #GtkClipboard added to @buffer by
+ * gtk_text_buffer_add_selection_clipboard()
+ *
+ * Removes a #GtkClipboard added with
+ * gtk_text_buffer_add_selection_clipboard().
+ **/
+void
+gtk_text_buffer_remove_selection_clipboard (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard)
+{
+ SelectionClipboard *selection_clipboard;
+
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (clipboard != NULL);
+
+ selection_clipboard = find_selection_clipboard (buffer, clipboard);
+ g_return_if_fail (selection_clipboard != NULL);
+
+ selection_clipboard->ref_count--;
+ if (selection_clipboard->ref_count == 0)
+ {
+ if (gtk_clipboard_get_owner (selection_clipboard->clipboard) == G_OBJECT (buffer))
+ gtk_clipboard_clear (selection_clipboard->clipboard);
+
+ buffer->priv->selection_clipboards = g_slist_remove (buffer->priv->selection_clipboards,
+ selection_clipboard);
+
+ g_free (selection_clipboard);
+ }
+}
+
+static void
+remove_all_selection_clipboards (GtkTextBuffer *buffer)
+{
+ GtkTextBufferPrivate *priv = buffer->priv;
+
+ g_slist_foreach (priv->selection_clipboards, (GFunc)g_free, NULL);
+ g_slist_free (priv->selection_clipboards);
+ priv->selection_clipboards = NULL;
+}
+
+/**
+ * gtk_text_buffer_paste_clipboard:
+ * @buffer: a #GtkTextBuffer
+ * @clipboard: the #GtkClipboard to paste from
+ * @override_location: (allow-none): location to insert pasted text, or %NULL for
+ * at the cursor
+ * @default_editable: whether the buffer is editable by default
+ *
+ * Pastes the contents of a clipboard at the insertion point, or
+ * at @override_location. (Note: pasting is asynchronous, that is,
+ * we'll ask for the paste data and return, and at some point later
+ * after the main loop runs, the paste data will be inserted.)
+ **/
+void
+gtk_text_buffer_paste_clipboard (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard,
+ GtkTextIter *override_location,
+ gboolean default_editable)
+{
+ ClipboardRequest *data = g_new (ClipboardRequest, 1);
+ GtkTextIter paste_point;
+ GtkTextIter start, end;
+
+ if (override_location != NULL)
+ gtk_text_buffer_create_mark (buffer,
+ "gtk_paste_point_override",
+ override_location, FALSE);
+
+ data->buffer = g_object_ref (buffer);
+ data->interactive = TRUE;
+ data->default_editable = !!default_editable;
+
+ /* When pasting with the cursor inside the selection area, you
+ * replace the selection with the new text, otherwise, you
+ * simply insert the new text at the point where the click
+ * occured, unselecting any selected text. The replace_selection
+ * flag toggles this behavior.
+ */
+ data->replace_selection = FALSE;
+
+ get_paste_point (buffer, &paste_point, FALSE);
+ if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end) &&
+ (gtk_text_iter_in_range (&paste_point, &start, &end) ||
+ gtk_text_iter_equal (&paste_point, &end)))
+ data->replace_selection = TRUE;
+
+ gtk_clipboard_request_contents (clipboard,
+ gdk_atom_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"),
+ clipboard_clipboard_buffer_received, data);
+}
+
+/**
+ * gtk_text_buffer_delete_selection:
+ * @buffer: a #GtkTextBuffer
+ * @interactive: whether the deletion is caused by user interaction
+ * @default_editable: whether the buffer is editable by default
+ *
+ * Deletes the range between the "insert" and "selection_bound" marks,
+ * that is, the currently-selected text. If @interactive is %TRUE,
+ * the editability of the selection will be considered (users can't delete
+ * uneditable text).
+ *
+ * Return value: whether there was a non-empty selection to delete
+ **/
+gboolean
+gtk_text_buffer_delete_selection (GtkTextBuffer *buffer,
+ gboolean interactive,
+ gboolean default_editable)
+{
+ GtkTextIter start;
+ GtkTextIter end;
+
+ if (!gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
+ {
+ return FALSE; /* No selection */
+ }
+ else
+ {
+ if (interactive)
+ gtk_text_buffer_delete_interactive (buffer, &start, &end, default_editable);
+ else
+ gtk_text_buffer_delete (buffer, &start, &end);
+
+ return TRUE; /* We deleted stuff */
+ }
+}
+
+/**
+ * gtk_text_buffer_backspace:
+ * @buffer: a #GtkTextBuffer
+ * @iter: a position in @buffer
+ * @interactive: whether the deletion is caused by user interaction
+ * @default_editable: whether the buffer is editable by default
+ *
+ * Performs the appropriate action as if the user hit the delete
+ * key with the cursor at the position specified by @iter. In the
+ * normal case a single character will be deleted, but when
+ * combining accents are involved, more than one character can
+ * be deleted, and when precomposed character and accent combinations
+ * are involved, less than one character will be deleted.
+ *
+ * Because the buffer is modified, all outstanding iterators become
+ * invalid after calling this function; however, the @iter will be
+ * re-initialized to point to the location where text was deleted.
+ *
+ * Return value: %TRUE if the buffer was modified
+ *
+ * Since: 2.6
+ **/
+gboolean
+gtk_text_buffer_backspace (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ gboolean interactive,
+ gboolean default_editable)
+{
+ gchar *cluster_text;
+ GtkTextIter start;
+ GtkTextIter end;
+ gboolean retval = FALSE;
+ const PangoLogAttr *attrs;
+ int offset;
+ gboolean backspace_deletes_character;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+ g_return_val_if_fail (iter != NULL, FALSE);
+
+ start = *iter;
+ end = *iter;
+
+ attrs = _gtk_text_buffer_get_line_log_attrs (buffer, &start, NULL);
+
+ /* For no good reason, attrs is NULL for the empty last line in
+ * a buffer. Special case that here. (#156164)
+ */
+ if (attrs)
+ {
+ offset = gtk_text_iter_get_line_offset (&start);
+ backspace_deletes_character = attrs[offset].backspace_deletes_character;
+ }
+ else
+ backspace_deletes_character = FALSE;
+
+ gtk_text_iter_backward_cursor_position (&start);
+
+ if (gtk_text_iter_equal (&start, &end))
+ return FALSE;
+
+ cluster_text = gtk_text_iter_get_text (&start, &end);
+
+ if (interactive)
+ gtk_text_buffer_begin_user_action (buffer);
+
+ if (gtk_text_buffer_delete_interactive (buffer, &start, &end,
+ default_editable))
+ {
+ /* special case \r\n, since we never want to reinsert \r */
+ if (backspace_deletes_character && strcmp ("\r\n", cluster_text))
+ {
+ gchar *normalized_text = g_utf8_normalize (cluster_text,
+ strlen (cluster_text),
+ G_NORMALIZE_NFD);
+ glong len = g_utf8_strlen (normalized_text, -1);
+
+ if (len > 1)
+ gtk_text_buffer_insert_interactive (buffer,
+ &start,
+ normalized_text,
+ g_utf8_offset_to_pointer (normalized_text, len - 1) - normalized_text,
+ default_editable);
+
+ g_free (normalized_text);
+ }
+
+ retval = TRUE;
+ }
+
+ if (interactive)
+ gtk_text_buffer_end_user_action (buffer);
+
+ g_free (cluster_text);
+
+ /* Revalidate the users iter */
+ *iter = start;
+
+ return retval;
+}
+
+static void
+cut_or_copy (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard,
+ gboolean delete_region_after,
+ gboolean interactive,
+ gboolean default_editable)
+{
+ GtkTextBufferPrivate *priv;
+
+ /* We prefer to cut the selected region between selection_bound and
+ * insertion point. If that region is empty, then we cut the region
+ * between the "anchor" and the insertion point (this is for
+ * C-space and M-w and other Emacs-style copy/yank keys). Note that
+ * insert and selection_bound are guaranteed to exist, but the
+ * anchor only exists sometimes.
+ */
+ GtkTextIter start;
+ GtkTextIter end;
+
+ priv = buffer->priv;
+
+ gtk_text_buffer_get_copy_target_list (buffer);
+
+ if (!gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
+ {
+ /* Let's try the anchor thing */
+ GtkTextMark * anchor = gtk_text_buffer_get_mark (buffer, "anchor");
+
+ if (anchor == NULL)
+ return;
+ else
+ {
+ gtk_text_buffer_get_iter_at_mark (buffer, &end, anchor);
+ gtk_text_iter_order (&start, &end);
+ }
+ }
+
+ if (!gtk_text_iter_equal (&start, &end))
+ {
+ GtkTextIter ins;
+ GtkTextBuffer *contents;
+
+ contents = create_clipboard_contents_buffer (buffer);
+
+ gtk_text_buffer_get_iter_at_offset (contents, &ins, 0);
+
+ gtk_text_buffer_insert_range (contents, &ins, &start, &end);
+
+ if (!gtk_clipboard_set_with_data (clipboard,
+ priv->copy_target_entries,
+ priv->n_copy_target_entries,
+ clipboard_get_contents_cb,
+ clipboard_clear_contents_cb,
+ contents))
+ g_object_unref (contents);
+ else
+ gtk_clipboard_set_can_store (clipboard,
+ priv->copy_target_entries + 1,
+ priv->n_copy_target_entries - 1);
+
+ if (delete_region_after)
+ {
+ if (interactive)
+ gtk_text_buffer_delete_interactive (buffer, &start, &end,
+ default_editable);
+ else
+ gtk_text_buffer_delete (buffer, &start, &end);
+ }
+ }
+}
+
+/**
+ * gtk_text_buffer_cut_clipboard:
+ * @buffer: a #GtkTextBuffer
+ * @clipboard: the #GtkClipboard object to cut to
+ * @default_editable: default editability of the buffer
+ *
+ * Copies the currently-selected text to a clipboard, then deletes
+ * said text if it's editable.
+ **/
+void
+gtk_text_buffer_cut_clipboard (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard,
+ gboolean default_editable)
{
- GtkTextIter start;
- GtkTextIter end;
+ gtk_text_buffer_begin_user_action (buffer);
+ cut_or_copy (buffer, clipboard, TRUE, TRUE, default_editable);
+ gtk_text_buffer_end_user_action (buffer);
+}
- ensure_handlers(buffer);
-
- /* Determine whether we have a selection and adjust X selection
- accordingly. */
+/**
+ * gtk_text_buffer_copy_clipboard:
+ * @buffer: a #GtkTextBuffer
+ * @clipboard: the #GtkClipboard object to copy to
+ *
+ * Copies the currently-selected text to a clipboard.
+ **/
+void
+gtk_text_buffer_copy_clipboard (GtkTextBuffer *buffer,
+ GtkClipboard *clipboard)
+{
+ cut_or_copy (buffer, clipboard, FALSE, TRUE, TRUE);
+}
+
+/**
+ * gtk_text_buffer_get_selection_bounds:
+ * @buffer: a #GtkTextBuffer a #GtkTextBuffer
+ * @start: (out): iterator to initialize with selection start
+ * @end: (out): iterator to initialize with selection end
+ *
+ * Returns %TRUE if some text is selected; places the bounds
+ * of the selection in @start and @end (if the selection has length 0,
+ * then @start and @end are filled in with the same value).
+ * @start and @end will be in ascending order. If @start and @end are
+ * NULL, then they are not filled in, but the return value still indicates
+ * whether text is selected.
+ *
+ * Return value: whether the selection has nonzero length
+ **/
+gboolean
+gtk_text_buffer_get_selection_bounds (GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+
+ return _gtk_text_btree_get_selection_bounds (get_btree (buffer), start, end);
+}
+
+/**
+ * gtk_text_buffer_begin_user_action:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Called to indicate that the buffer operations between here and a
+ * call to gtk_text_buffer_end_user_action() are part of a single
+ * user-visible operation. The operations between
+ * gtk_text_buffer_begin_user_action() and
+ * gtk_text_buffer_end_user_action() can then be grouped when creating
+ * an undo stack. #GtkTextBuffer maintains a count of calls to
+ * gtk_text_buffer_begin_user_action() that have not been closed with
+ * a call to gtk_text_buffer_end_user_action(), and emits the
+ * "begin-user-action" and "end-user-action" signals only for the
+ * outermost pair of calls. This allows you to build user actions
+ * from other user actions.
+ *
+ * The "interactive" buffer mutation functions, such as
+ * gtk_text_buffer_insert_interactive(), automatically call begin/end
+ * user action around the buffer operations they perform, so there's
+ * no need to add extra calls if you user action consists solely of a
+ * single call to one of those functions.
+ **/
+void
+gtk_text_buffer_begin_user_action (GtkTextBuffer *buffer)
+{
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+
+ buffer->priv->user_action_count += 1;
- if (!gtk_text_buffer_get_selection_bounds(buffer, &start, &end))
+ if (buffer->priv->user_action_count == 1)
{
- release_primary_x_selection(buffer->selection_widget, GDK_CURRENT_TIME);
- buffer->have_selection = FALSE;
+ /* Outermost nested user action begin emits the signal */
+ g_signal_emit (buffer, signals[BEGIN_USER_ACTION], 0);
}
- else
+}
+
+/**
+ * gtk_text_buffer_end_user_action:
+ * @buffer: a #GtkTextBuffer
+ *
+ * Should be paired with a call to gtk_text_buffer_begin_user_action().
+ * See that function for a full explanation.
+ **/
+void
+gtk_text_buffer_end_user_action (GtkTextBuffer *buffer)
+{
+ g_return_if_fail (GTK_IS_TEXT_BUFFER (buffer));
+ g_return_if_fail (buffer->priv->user_action_count > 0);
+
+ buffer->priv->user_action_count -= 1;
+
+ if (buffer->priv->user_action_count == 0)
{
- /* Even if we already have the selection, we need to update our
- timestamp. */
- buffer->have_selection = FALSE;
- request_primary_x_selection(buffer->selection_widget, GDK_CURRENT_TIME);
- if (have_primary_x_selection(buffer->selection_widget))
- buffer->have_selection = TRUE;
+ /* Ended the outermost-nested user action end, so emit the signal */
+ g_signal_emit (buffer, signals[END_USER_ACTION], 0);
}
}
static void
-gtk_text_buffer_update_clipboard_selection(GtkTextBuffer *buffer)
-{
- if (buffer->clipboard_text == NULL ||
- buffer->clipboard_text[0] == '\0')
+gtk_text_buffer_free_target_lists (GtkTextBuffer *buffer)
+{
+ GtkTextBufferPrivate *priv = buffer->priv;
+
+ if (priv->copy_target_list)
{
- release_clipboard_x_selection(buffer->selection_widget, GDK_CURRENT_TIME);
+ gtk_target_list_unref (priv->copy_target_list);
+ priv->copy_target_list = NULL;
+
+ gtk_target_table_free (priv->copy_target_entries,
+ priv->n_copy_target_entries);
+ priv->copy_target_entries = NULL;
+ priv->n_copy_target_entries = 0;
}
- else
+
+ if (priv->paste_target_list)
{
- /* Even if we already have the selection, we need to update our
- timestamp. */
- request_clipboard_x_selection(buffer->selection_widget, GDK_CURRENT_TIME);
+ gtk_target_list_unref (priv->paste_target_list);
+ priv->paste_target_list = NULL;
+
+ gtk_target_table_free (priv->paste_target_entries,
+ priv->n_paste_target_entries);
+ priv->paste_target_entries = NULL;
+ priv->n_paste_target_entries = 0;
}
}
-static void
-paste(GtkTextBuffer *buffer, GdkAtom selection, guint32 time)
+static GtkTargetList *
+gtk_text_buffer_get_target_list (GtkTextBuffer *buffer,
+ gboolean deserializable,
+ GtkTargetEntry **entries,
+ gint *n_entries)
{
- ensure_handlers(buffer);
-
- gtk_selection_convert (buffer->selection_widget, selection,
- utf8_atom, time);
+ GtkTargetList *target_list;
+
+ target_list = gtk_target_list_new (NULL, 0);
+
+ gtk_target_list_add (target_list,
+ gdk_atom_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"),
+ GTK_TARGET_SAME_APP,
+ GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS);
+
+ gtk_target_list_add_rich_text_targets (target_list,
+ GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT,
+ deserializable,
+ buffer);
+
+ gtk_target_list_add_text_targets (target_list,
+ GTK_TEXT_BUFFER_TARGET_INFO_TEXT);
+
+ *entries = gtk_target_table_new_from_list (target_list, n_entries);
+
+ return target_list;
}
-void
-gtk_text_buffer_paste_primary_selection(GtkTextBuffer *buffer,
- GtkTextIter *override_location,
- guint32 time)
+/**
+ * gtk_text_buffer_get_copy_target_list:
+ * @buffer: a #GtkTextBuffer
+ *
+ * This function returns the list of targets this text buffer can
+ * provide for copying and as DND source. The targets in the list are
+ * added with %info values from the #GtkTextBufferTargetInfo enum,
+ * using gtk_target_list_add_rich_text_targets() and
+ * gtk_target_list_add_text_targets().
+ *
+ * Return value: (transfer none): the #GtkTargetList
+ *
+ * Since: 2.10
+ **/
+GtkTargetList *
+gtk_text_buffer_get_copy_target_list (GtkTextBuffer *buffer)
{
- if (override_location != NULL)
- gtk_text_buffer_create_mark(buffer,
- "__paste_point_override",
- override_location, FALSE);
-
- paste(buffer, GDK_SELECTION_PRIMARY, time);
+ GtkTextBufferPrivate *priv;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+
+ priv = buffer->priv;
+
+ if (! priv->copy_target_list)
+ priv->copy_target_list =
+ gtk_text_buffer_get_target_list (buffer, FALSE,
+ &priv->copy_target_entries,
+ &priv->n_copy_target_entries);
+
+ return priv->copy_target_list;
}
-void
-gtk_text_buffer_paste_clipboard (GtkTextBuffer *buffer,
- guint32 time)
+/**
+ * gtk_text_buffer_get_paste_target_list:
+ * @buffer: a #GtkTextBuffer
+ *
+ * This function returns the list of targets this text buffer supports
+ * for pasting and as DND destination. The targets in the list are
+ * added with %info values from the #GtkTextBufferTargetInfo enum,
+ * using gtk_target_list_add_rich_text_targets() and
+ * gtk_target_list_add_text_targets().
+ *
+ * Return value: (transfer none): the #GtkTargetList
+ *
+ * Since: 2.10
+ **/
+GtkTargetList *
+gtk_text_buffer_get_paste_target_list (GtkTextBuffer *buffer)
{
- paste(buffer, clipboard_atom, time);
+ GtkTextBufferPrivate *priv;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+
+ priv = buffer->priv;
+
+ if (! priv->paste_target_list)
+ priv->paste_target_list =
+ gtk_text_buffer_get_target_list (buffer, TRUE,
+ &priv->paste_target_entries,
+ &priv->n_paste_target_entries);
+
+ return priv->paste_target_list;
}
-gboolean
-gtk_text_buffer_delete_selection (GtkTextBuffer *buffer)
+/*
+ * Logical attribute cache
+ */
+
+#define ATTR_CACHE_SIZE 2
+
+typedef struct _CacheEntry CacheEntry;
+struct _CacheEntry
{
- GtkTextIter start;
- GtkTextIter end;
-
- if (!gtk_text_buffer_get_selection_bounds(buffer, &start, &end))
+ gint line;
+ gint char_len;
+ PangoLogAttr *attrs;
+};
+
+struct _GtkTextLogAttrCache
+{
+ gint chars_changed_stamp;
+ CacheEntry entries[ATTR_CACHE_SIZE];
+};
+
+static void
+free_log_attr_cache (GtkTextLogAttrCache *cache)
+{
+ gint i = 0;
+ while (i < ATTR_CACHE_SIZE)
{
- return FALSE; /* No selection */
+ g_free (cache->entries[i].attrs);
+ ++i;
}
- else
+ g_free (cache);
+}
+
+static void
+clear_log_attr_cache (GtkTextLogAttrCache *cache)
+{
+ gint i = 0;
+ while (i < ATTR_CACHE_SIZE)
{
- gtk_text_buffer_delete(buffer, &start, &end);
- gtk_text_buffer_update_primary_selection(buffer);
- return TRUE; /* We deleted stuff */
+ g_free (cache->entries[i].attrs);
+ cache->entries[i].attrs = NULL;
+ ++i;
}
}
-static void
-cut_or_copy(GtkTextBuffer *buffer,
- guint32 time,
- gboolean delete_region_after)
+static PangoLogAttr*
+compute_log_attrs (const GtkTextIter *iter,
+ gint *char_lenp)
{
- /* We prefer to cut the selected region between selection_bound and
- insertion point. If that region is empty, then we cut the region
- between the "anchor" and the insertion point (this is for C-space
- and M-w and other Emacs-style copy/yank keys). Note that insert
- and selection_bound are guaranteed to exist, but the anchor only
- exists sometimes. */
GtkTextIter start;
GtkTextIter end;
+ gchar *paragraph;
+ gint char_len, byte_len;
+ PangoLogAttr *attrs = NULL;
+
+ start = *iter;
+ end = *iter;
- if (!gtk_text_buffer_get_selection_bounds(buffer, &start, &end))
- {
- /* Let's try the anchor thing */
+ gtk_text_iter_set_line_offset (&start, 0);
+ gtk_text_iter_forward_line (&end);
- if (!gtk_text_buffer_get_iter_at_mark(buffer, &end, "anchor"))
- return;
- else
- gtk_text_iter_reorder(&start, &end);
+ paragraph = gtk_text_iter_get_slice (&start, &end);
+ char_len = g_utf8_strlen (paragraph, -1);
+ byte_len = strlen (paragraph);
+
+ g_assert (char_len > 0);
+
+ if (char_lenp)
+ *char_lenp = char_len;
+
+ attrs = g_new (PangoLogAttr, char_len + 1);
+
+ /* FIXME we need to follow PangoLayout and allow different language
+ * tags within the paragraph
+ */
+ pango_get_log_attrs (paragraph, byte_len, -1,
+ gtk_text_iter_get_language (&start),
+ attrs,
+ char_len + 1);
+
+ g_free (paragraph);
+
+ return attrs;
+}
+
+/* The return value from this is valid until you call this a second time.
+ */
+const PangoLogAttr*
+_gtk_text_buffer_get_line_log_attrs (GtkTextBuffer *buffer,
+ const GtkTextIter *anywhere_in_line,
+ gint *char_len)
+{
+ GtkTextBufferPrivate *priv;
+ gint line;
+ GtkTextLogAttrCache *cache;
+ gint i;
+
+ g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
+ g_return_val_if_fail (anywhere_in_line != NULL, NULL);
+
+ priv = buffer->priv;
+
+ /* special-case for empty last line in buffer */
+ if (gtk_text_iter_is_end (anywhere_in_line) &&
+ gtk_text_iter_get_line_offset (anywhere_in_line) == 0)
+ {
+ if (char_len)
+ *char_len = 0;
+ return NULL;
+ }
+
+ /* FIXME we also need to recompute log attrs if the language tag at
+ * the start of a paragraph changes
+ */
+
+ if (priv->log_attr_cache == NULL)
+ {
+ priv->log_attr_cache = g_new0 (GtkTextLogAttrCache, 1);
+ priv->log_attr_cache->chars_changed_stamp =
+ _gtk_text_btree_get_chars_changed_stamp (get_btree (buffer));
+ }
+ else if (priv->log_attr_cache->chars_changed_stamp !=
+ _gtk_text_btree_get_chars_changed_stamp (get_btree (buffer)))
+ {
+ clear_log_attr_cache (priv->log_attr_cache);
}
+
+ cache = priv->log_attr_cache;
+ line = gtk_text_iter_get_line (anywhere_in_line);
- if (!gtk_text_iter_equal(&start, &end))
+ i = 0;
+ while (i < ATTR_CACHE_SIZE)
{
- gchar *text;
-
- text = gtk_text_iter_get_visible_text(&start, &end);
-
- set_clipboard_contents_nocopy(buffer, text);
-
- if (delete_region_after)
- gtk_text_buffer_delete(buffer, &start, &end);
+ if (cache->entries[i].attrs &&
+ cache->entries[i].line == line)
+ {
+ if (char_len)
+ *char_len = cache->entries[i].char_len;
+ return cache->entries[i].attrs;
+ }
+ ++i;
}
+
+ /* Not in cache; open up the first cache entry */
+ g_free (cache->entries[ATTR_CACHE_SIZE-1].attrs);
+
+ g_memmove (cache->entries + 1, cache->entries,
+ sizeof (CacheEntry) * (ATTR_CACHE_SIZE - 1));
+
+ cache->entries[0].line = line;
+ cache->entries[0].attrs = compute_log_attrs (anywhere_in_line,
+ &cache->entries[0].char_len);
+
+ if (char_len)
+ *char_len = cache->entries[0].char_len;
+
+ return cache->entries[0].attrs;
}
void
-gtk_text_buffer_cut (GtkTextBuffer *buffer,
- guint32 time)
+_gtk_text_buffer_notify_will_remove_tag (GtkTextBuffer *buffer,
+ GtkTextTag *tag)
{
- cut_or_copy(buffer, time, TRUE);
+ /* This removes tag from the buffer, but DOESN'T emit the
+ * remove-tag signal, because we can't afford to have user
+ * code messing things up at this point; the tag MUST be removed
+ * entirely.
+ */
+ if (buffer->priv->btree)
+ _gtk_text_btree_notify_will_remove_tag (buffer->priv->btree, tag);
}
+/*
+ * Debug spew
+ */
+
void
-gtk_text_buffer_copy (GtkTextBuffer *buffer,
- guint32 time)
+_gtk_text_buffer_spew (GtkTextBuffer *buffer)
{
- cut_or_copy(buffer, time, FALSE);
+ _gtk_text_btree_spew (get_btree (buffer));
}
-
-gboolean
-gtk_text_buffer_get_selection_bounds (GtkTextBuffer *buffer,
- GtkTextIter *start,
- GtkTextIter *end)
+void
+_gtk_text_buffer_get_text_before (GtkTextBuffer *buffer,
+ AtkTextBoundary boundary_type,
+ GtkTextIter *position,
+ GtkTextIter *start,
+ GtkTextIter *end)
{
- g_return_val_if_fail (buffer != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
+ gint line_number;
+
+ *start = *position;
+ *end = *start;
+
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_CHAR:
+ gtk_text_iter_backward_char (start);
+ break;
+
+ case ATK_TEXT_BOUNDARY_WORD_START:
+ if (!gtk_text_iter_starts_word (start))
+ gtk_text_iter_backward_word_start (start);
+ *end = *start;
+ gtk_text_iter_backward_word_start (start);
+ break;
+
+ case ATK_TEXT_BOUNDARY_WORD_END:
+ if (gtk_text_iter_inside_word (start) &&
+ !gtk_text_iter_starts_word (start))
+ gtk_text_iter_backward_word_start (start);
+ while (!gtk_text_iter_ends_word (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ *end = *start;
+ gtk_text_iter_backward_word_start (start);
+ while (!gtk_text_iter_ends_word (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ break;
+
+ case ATK_TEXT_BOUNDARY_SENTENCE_START:
+ if (!gtk_text_iter_starts_sentence (start))
+ gtk_text_iter_backward_sentence_start (start);
+ *end = *start;
+ gtk_text_iter_backward_sentence_start (start);
+ break;
+
+ case ATK_TEXT_BOUNDARY_SENTENCE_END:
+ if (gtk_text_iter_inside_sentence (start) &&
+ !gtk_text_iter_starts_sentence (start))
+ gtk_text_iter_backward_sentence_start (start);
+ while (!gtk_text_iter_ends_sentence (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ *end = *start;
+ gtk_text_iter_backward_sentence_start (start);
+ while (!gtk_text_iter_ends_sentence (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ break;
+
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ line_number = gtk_text_iter_get_line (start);
+ if (line_number == 0)
+ {
+ gtk_text_buffer_get_iter_at_offset (buffer, start, 0);
+ }
+ else
+ {
+ gtk_text_iter_backward_line (start);
+ gtk_text_iter_forward_line (start);
+ }
+ *end = *start;
+ gtk_text_iter_backward_line (start);
+ break;
- return gtk_text_btree_get_selection_bounds (buffer->tree, start, end);
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ line_number = gtk_text_iter_get_line (start);
+ if (line_number == 0)
+ {
+ gtk_text_buffer_get_iter_at_offset (buffer, start, 0);
+ *end = *start;
+ }
+ else
+ {
+ gtk_text_iter_backward_line (start);
+ *end = *start;
+ while (!gtk_text_iter_ends_line (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ gtk_text_iter_forward_to_line_end (end);
+ }
+ break;
+ }
}
+void
+_gtk_text_buffer_get_text_at (GtkTextBuffer *buffer,
+ AtkTextBoundary boundary_type,
+ GtkTextIter *position,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ gint line_number;
-/*
- * Debug spew
- */
+ *start = *position;
+ *end = *start;
+
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_CHAR:
+ gtk_text_iter_forward_char (end);
+ break;
+
+ case ATK_TEXT_BOUNDARY_WORD_START:
+ if (!gtk_text_iter_starts_word (start))
+ gtk_text_iter_backward_word_start (start);
+ if (gtk_text_iter_inside_word (end))
+ gtk_text_iter_forward_word_end (end);
+ while (!gtk_text_iter_starts_word (end))
+ {
+ if (!gtk_text_iter_forward_char (end))
+ break;
+ }
+ break;
+
+ case ATK_TEXT_BOUNDARY_WORD_END:
+ if (gtk_text_iter_inside_word (start) &&
+ !gtk_text_iter_starts_word (start))
+ gtk_text_iter_backward_word_start (start);
+ while (!gtk_text_iter_ends_word (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ gtk_text_iter_forward_word_end (end);
+ break;
+
+ case ATK_TEXT_BOUNDARY_SENTENCE_START:
+ if (!gtk_text_iter_starts_sentence (start))
+ gtk_text_iter_backward_sentence_start (start);
+ if (gtk_text_iter_inside_sentence (end))
+ gtk_text_iter_forward_sentence_end (end);
+ while (!gtk_text_iter_starts_sentence (end))
+ {
+ if (!gtk_text_iter_forward_char (end))
+ break;
+ }
+ break;
+
+ case ATK_TEXT_BOUNDARY_SENTENCE_END:
+ if (gtk_text_iter_inside_sentence (start) &&
+ !gtk_text_iter_starts_sentence (start))
+ gtk_text_iter_backward_sentence_start (start);
+ while (!gtk_text_iter_ends_sentence (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ gtk_text_iter_forward_sentence_end (end);
+ break;
+
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ line_number = gtk_text_iter_get_line (start);
+ if (line_number == 0)
+ {
+ gtk_text_buffer_get_iter_at_offset (buffer, start, 0);
+ }
+ else
+ {
+ gtk_text_iter_backward_line (start);
+ gtk_text_iter_forward_line (start);
+ }
+ gtk_text_iter_forward_line (end);
+ break;
+
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ line_number = gtk_text_iter_get_line (start);
+ if (line_number == 0)
+ {
+ gtk_text_buffer_get_iter_at_offset (buffer, start, 0);
+ }
+ else
+ {
+ gtk_text_iter_backward_line (start);
+ gtk_text_iter_forward_line (start);
+ }
+ while (!gtk_text_iter_ends_line (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ gtk_text_iter_forward_to_line_end (end);
+ break;
+ }
+}
void
-gtk_text_buffer_spew(GtkTextBuffer *buffer)
+_gtk_text_buffer_get_text_after (GtkTextBuffer *buffer,
+ AtkTextBoundary boundary_type,
+ GtkTextIter *position,
+ GtkTextIter *start,
+ GtkTextIter *end)
{
- gtk_text_btree_spew(buffer->tree);
+ *start = *position;
+ *end = *start;
+
+ switch (boundary_type)
+ {
+ case ATK_TEXT_BOUNDARY_CHAR:
+ gtk_text_iter_forward_char (start);
+ gtk_text_iter_forward_chars (end, 2);
+ break;
+
+ case ATK_TEXT_BOUNDARY_WORD_START:
+ if (gtk_text_iter_inside_word (end))
+ gtk_text_iter_forward_word_end (end);
+ while (!gtk_text_iter_starts_word (end))
+ {
+ if (!gtk_text_iter_forward_char (end))
+ break;
+ }
+ *start = *end;
+ if (!gtk_text_iter_is_end (end))
+ {
+ gtk_text_iter_forward_word_end (end);
+ while (!gtk_text_iter_starts_word (end))
+ {
+ if (!gtk_text_iter_forward_char (end))
+ break;
+ }
+ }
+ break;
+
+ case ATK_TEXT_BOUNDARY_WORD_END:
+ gtk_text_iter_forward_word_end (end);
+ *start = *end;
+ if (!gtk_text_iter_is_end (end))
+ gtk_text_iter_forward_word_end (end);
+ break;
+
+ case ATK_TEXT_BOUNDARY_SENTENCE_START:
+ if (gtk_text_iter_inside_sentence (end))
+ gtk_text_iter_forward_sentence_end (end);
+ while (!gtk_text_iter_starts_sentence (end))
+ {
+ if (!gtk_text_iter_forward_char (end))
+ break;
+ }
+ *start = *end;
+ if (!gtk_text_iter_is_end (end))
+ {
+ gtk_text_iter_forward_sentence_end (end);
+ while (!gtk_text_iter_starts_sentence (end))
+ {
+ if (!gtk_text_iter_forward_char (end))
+ break;
+ }
+ }
+ break;
+
+ case ATK_TEXT_BOUNDARY_SENTENCE_END:
+ gtk_text_iter_forward_sentence_end (end);
+ *start = *end;
+ if (!gtk_text_iter_is_end (end))
+ gtk_text_iter_forward_sentence_end (end);
+ break;
+
+ case ATK_TEXT_BOUNDARY_LINE_START:
+ gtk_text_iter_forward_line (end);
+ *start = *end;
+ gtk_text_iter_forward_line (end);
+ break;
+
+ case ATK_TEXT_BOUNDARY_LINE_END:
+ gtk_text_iter_forward_line (start);
+ *end = *start;
+ if (!gtk_text_iter_is_end (start))
+ {
+ while (!gtk_text_iter_ends_line (start))
+ {
+ if (!gtk_text_iter_backward_char (start))
+ break;
+ }
+ gtk_text_iter_forward_to_line_end (end);
+ }
+ break;
+ }
}
projects / ~andy / gtk / blobdiff