-#ifndef GTK_TEXT_SEGMENT_H
-#define GTK_TEXT_SEGMENT_H
+/* GTK - The GIMP Toolkit
+ * gtktextsegment.h Copyright (C) 2000 Red Hat, Inc.
+ *
+ * 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/.
+ */
+
+#ifndef __GTK_TEXT_SEGMENT_H__
+#define __GTK_TEXT_SEGMENT_H__
#include <gtk/gtktexttag.h>
#include <gtk/gtktextiter.h>
#include <gtk/gtktextmarkprivate.h>
#include <gtk/gtktextchild.h>
+#include <gtk/gtktextchildprivate.h>
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+G_BEGIN_DECLS
/*
* Segments: each line is divided into one or more segments, where each
/* Class struct for segments */
-typedef GtkTextLineSegment *(* GtkTextLineSegmentSplitFunc) (GtkTextLineSegment *segPtr,
- int index);
-typedef gboolean (* GtkTextViewSegDeleteFunc) (GtkTextLineSegment *segPtr,
- GtkTextLine *line,
- gboolean treeGone);
-typedef GtkTextLineSegment *(* GtkTextViewSegCleanupFunc) (GtkTextLineSegment *segPtr,
- GtkTextLine *line);
-typedef void (* GtkTextLineSegmentLineChangeFunc) (GtkTextLineSegment *segPtr,
- GtkTextLine *line);
-typedef void (* GtkTextViewSegCheckFunc) (GtkTextLineSegment *segPtr,
- GtkTextLine *line);
+/* Split seg at index, returning list of two new segments, and freeing seg */
+typedef GtkTextLineSegment* (*GtkTextSegSplitFunc) (GtkTextLineSegment *seg,
+ gint index);
+
+/* Delete seg which is contained in line; if tree_gone, the tree is being
+ * freed in its entirety, which may matter for some reason (?)
+ * Return TRUE if the segment is not deleteable, e.g. a mark.
+ */
+typedef gboolean (*GtkTextSegDeleteFunc) (GtkTextLineSegment *seg,
+ GtkTextLine *line,
+ gboolean tree_gone);
+
+/* Called after segment structure of line changes, so segments can
+ * cleanup (e.g. merge with adjacent segments). Returns a segment list
+ * to replace the original segment list with. The line argument is
+ * the current line.
+ */
+typedef GtkTextLineSegment* (*GtkTextSegCleanupFunc) (GtkTextLineSegment *seg,
+ GtkTextLine *line);
+
+/* Called when a segment moves from one line to another. CleanupFunc is also
+ * called in that case, so many segments just use CleanupFunc, I'm not sure
+ * what's up with that (this function may not be needed...)
+ */
+typedef void (*GtkTextSegLineChangeFunc) (GtkTextLineSegment *seg,
+ GtkTextLine *line);
+
+/* Called to do debug checks on the segment. */
+typedef void (*GtkTextSegCheckFunc) (GtkTextLineSegment *seg,
+ GtkTextLine *line);
struct _GtkTextLineSegmentClass {
char *name; /* Name of this kind of segment. */
* attach to character to its left
* or right? 1 means left, 0 means
* right. */
- GtkTextLineSegmentSplitFunc splitFunc; /* Procedure to split large segment
+ GtkTextSegSplitFunc splitFunc; /* Procedure to split large segment
* into two smaller ones. */
- GtkTextViewSegDeleteFunc deleteFunc; /* Procedure to call to delete
- * segment. */
- GtkTextViewSegCleanupFunc cleanupFunc; /* After any change to a line, this
- * procedure is invoked for all
- * segments left in the line to
- * perform any cleanup they wish
- * (e.g. joining neighboring
- * segments). */
- GtkTextLineSegmentLineChangeFunc lineChangeFunc;
- /* Invoked when a segment is about
- * to be moved from its current line
- * to an earlier line because of
- * a deletion. The line is that
- * for the segment's old line.
- * CleanupFunc will be invoked after
- * the deletion is finished. */
-
- GtkTextViewSegCheckFunc checkFunc; /* Called during consistency checks
- * to check internal consistency of
+ GtkTextSegDeleteFunc deleteFunc; /* Procedure to call to delete
* segment. */
+ GtkTextSegCleanupFunc cleanupFunc; /* After any change to a line, this
+ * procedure is invoked for all
+ * segments left in the line to
+ * perform any cleanup they wish
+ * (e.g. joining neighboring
+ * segments). */
+ GtkTextSegLineChangeFunc lineChangeFunc;
+ /* Invoked when a segment is about
+ * to be moved from its current line
+ * to an earlier line because of
+ * a deletion. The line is that
+ * for the segment's old line.
+ * CleanupFunc will be invoked after
+ * the deletion is finished. */
+
+ GtkTextSegCheckFunc checkFunc; /* Called during consistency checks
+ * to check internal consistency of
+ * segment. */
};
/*
*/
struct _GtkTextLineSegment {
- GtkTextLineSegmentClass *type; /* Pointer to record describing
+ const GtkTextLineSegmentClass *type; /* Pointer to record describing
* segment's type. */
- GtkTextLineSegment *next; /* Next in list of segments for this
+ GtkTextLineSegment *next; /* Next in list of segments for this
* line, or NULL for end of list. */
int char_count; /* # of chars of index space occupied */
-
+
int byte_count; /* Size of this segment (# of bytes
* of index space it occupies). */
union {
* hold as many characters as needed.*/
GtkTextToggleBody toggle; /* Information about tag toggle. */
GtkTextMarkBody mark; /* Information about mark. */
- GtkTextPixmap pixmap; /* Child pixmap */
-#if 0
- GtkTextChild child; /* child widget */
-#endif
+ GtkTextPixbuf pixbuf; /* Child pixbuf */
+ GtkTextChildBody child; /* Child widget */
} body;
};
-GtkTextLineSegment *gtk_text_line_segment_split(const GtkTextIter *iter);
-
-GtkTextLineSegment *char_segment_new(const gchar *text, guint len);
+GtkTextLineSegment *gtk_text_line_segment_split (const GtkTextIter *iter);
-GtkTextLineSegment *char_segment_new_from_two_strings(const gchar *text1, guint len1,
- const gchar *text2, guint len2);
+GtkTextLineSegment *_gtk_char_segment_new (const gchar *text,
+ guint len);
+GtkTextLineSegment *_gtk_char_segment_new_from_two_strings (const gchar *text1,
+ guint len1,
+ guint chars1,
+ const gchar *text2,
+ guint len2,
+ guint chars2);
+GtkTextLineSegment *_gtk_toggle_segment_new (GtkTextTagInfo *info,
+ gboolean on);
-GtkTextLineSegment *toggle_segment_new(GtkTextTagInfo *info, gboolean on);
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+G_END_DECLS
#endif
projects / ~andy / gtk / blobdiff