* California, Sun Microsystems, Inc., and other parties. The
* following terms apply to all files associated with the software
* unless explicitly disclaimed in individual files.
- *
+ *
* The authors hereby grant permission to use, copy, modify,
* distribute, and license this software and its documentation for any
* purpose, provided that existing copyright notices are retained in
* software may be copyrighted by their authors and need not follow
* the licensing terms described here, provided that the new terms are
* clearly indicated on the first page of each file where they apply.
- *
+ *
* IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY
* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
* DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION,
* OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
- *
+ *
* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
* foregoing, the authors grant the U.S. Government and others acting
* in its behalf permission to use and distribute the software in
* accordance with the terms specified in this license.
- *
+ *
*/
+#define GTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
+#include "config.h"
#include "gtktextbtree.h"
#include <string.h>
-#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include "gtktexttag.h"
*/
GtkTextLineSegment*
-gtk_text_line_segment_split(const GtkTextIter *iter)
+gtk_text_line_segment_split (const GtkTextIter *iter)
{
GtkTextLineSegment *prev, *seg;
GtkTextBTree *tree;
GtkTextLine *line;
int count;
- line = gtk_text_iter_get_line(iter);
- tree = gtk_text_iter_get_btree(iter);
-
- count = gtk_text_iter_get_line_byte(iter);
+ line = _gtk_text_iter_get_text_line (iter);
+ tree = _gtk_text_iter_get_btree (iter);
+
+ count = gtk_text_iter_get_line_index (iter);
+
+ if (gtk_get_debug_flags () & GTK_DEBUG_TEXT)
+ _gtk_text_iter_check (iter);
prev = NULL;
seg = line->segments;
}
else
{
- g_assert(count != seg->byte_count);
- g_assert(seg->byte_count > 0);
-
- gtk_text_btree_segments_changed(tree);
-
+ g_assert (count != seg->byte_count);
+ g_assert (seg->byte_count > 0);
+
+ _gtk_text_btree_segments_changed (tree);
+
seg = (*seg->type->splitFunc)(seg, count);
-
+
if (prev == NULL)
line->segments = seg;
else
prev = seg;
seg = seg->next;
}
- g_error("split_segment reached end of line!");
+ g_error ("split_segment reached end of line!");
return NULL;
}
* Macros that determine how much space to allocate for new segments:
*/
-#define CSEG_SIZE(chars) ((unsigned) (G_STRUCT_OFFSET(GtkTextLineSegment, body) \
+#define CSEG_SIZE(chars) ((unsigned) (G_STRUCT_OFFSET (GtkTextLineSegment, body) \
+ 1 + (chars)))
-#define TSEG_SIZE ((unsigned) (G_STRUCT_OFFSET(GtkTextLineSegment, body) \
- + sizeof(GtkTextToggleBody)))
+#define TSEG_SIZE ((unsigned) (G_STRUCT_OFFSET (GtkTextLineSegment, body) \
+ + sizeof (GtkTextToggleBody)))
/*
* Type functions
*/
static void
-char_segment_self_check(GtkTextLineSegment *seg)
+char_segment_self_check (GtkTextLineSegment *seg)
{
/* This function checks the segment itself, but doesn't
assume the segment has been validly inserted into
the btree. */
-
- g_assert(seg != NULL);
-
+
+ g_assert (seg != NULL);
+
if (seg->byte_count <= 0)
{
- g_error("char_segment_check_func: segment has size <= 0");
+ g_error ("segment has size <= 0");
}
- if (strlen(seg->body.chars) != seg->byte_count)
+ if (strlen (seg->body.chars) != seg->byte_count)
{
- g_error("char_segment_check_func: segment has wrong size");
+ g_error ("segment has wrong size");
}
if (g_utf8_strlen (seg->body.chars, seg->byte_count) != seg->char_count)
{
- g_error("char segment has wrong character count");
+ g_error ("char segment has wrong character count");
}
}
GtkTextLineSegment*
-char_segment_new(const gchar *text, guint len)
+_gtk_char_segment_new (const gchar *text, guint len)
{
GtkTextLineSegment *seg;
- g_assert(gtk_text_byte_begins_utf8_char(text));
-
- seg = g_malloc(CSEG_SIZE(len));
- seg->type = >k_text_char_type;
+ g_assert (gtk_text_byte_begins_utf8_char (text));
+
+ seg = g_malloc (CSEG_SIZE (len));
+ seg->type = (GtkTextLineSegmentClass *)>k_text_char_type;
seg->next = NULL;
seg->byte_count = len;
- memcpy(seg->body.chars, text, len);
+ memcpy (seg->body.chars, text, len);
seg->body.chars[len] = '\0';
seg->char_count = g_utf8_strlen (seg->body.chars, seg->byte_count);
- if (gtk_debug_flags & GTK_DEBUG_TEXT)
- char_segment_self_check(seg);
-
+ if (gtk_get_debug_flags () & GTK_DEBUG_TEXT)
+ char_segment_self_check (seg);
+
return seg;
}
GtkTextLineSegment*
-char_segment_new_from_two_strings(const gchar *text1, guint len1,
- const gchar *text2, guint len2)
+_gtk_char_segment_new_from_two_strings (const gchar *text1,
+ guint len1,
+ guint chars1,
+ const gchar *text2,
+ guint len2,
+ guint chars2)
{
GtkTextLineSegment *seg;
- g_assert(gtk_text_byte_begins_utf8_char(text1));
- g_assert(gtk_text_byte_begins_utf8_char(text2));
-
- seg = g_malloc(CSEG_SIZE(len1+len2));
+ g_assert (gtk_text_byte_begins_utf8_char (text1));
+ g_assert (gtk_text_byte_begins_utf8_char (text2));
+
+ seg = g_malloc (CSEG_SIZE (len1+len2));
seg->type = >k_text_char_type;
seg->next = NULL;
seg->byte_count = len1 + len2;
- memcpy(seg->body.chars, text1, len1);
- memcpy(seg->body.chars + len1, text2, len2);
+ memcpy (seg->body.chars, text1, len1);
+ memcpy (seg->body.chars + len1, text2, len2);
seg->body.chars[len1+len2] = '\0';
- /* In principle this function could probably take chars1 and chars2
- as args, since it's typically used to merge two char segments */
- seg->char_count = g_utf8_strlen (seg->body.chars, seg->byte_count);
+ seg->char_count = chars1 + chars2;
+
+ if (gtk_get_debug_flags () & GTK_DEBUG_TEXT)
+ char_segment_self_check (seg);
- if (gtk_debug_flags & GTK_DEBUG_TEXT)
- char_segment_self_check(seg);
-
return seg;
}
*/
static GtkTextLineSegment *
-char_segment_split_func(GtkTextLineSegment *seg, int index)
+char_segment_split_func (GtkTextLineSegment *seg, int index)
{
GtkTextLineSegment *new1, *new2;
- g_assert(index < seg->byte_count);
-
- if (gtk_debug_flags & GTK_DEBUG_TEXT)
+ g_assert (index < seg->byte_count);
+
+ if (gtk_get_debug_flags () & GTK_DEBUG_TEXT)
{
- char_segment_self_check(seg);
+ char_segment_self_check (seg);
}
-
- new1 = char_segment_new(seg->body.chars, index);
- new2 = char_segment_new(seg->body.chars + index, seg->byte_count - index);
- g_assert(gtk_text_byte_begins_utf8_char(new1->body.chars));
- g_assert(gtk_text_byte_begins_utf8_char(new2->body.chars));
- g_assert(new1->byte_count + new2->byte_count == seg->byte_count);
- g_assert(new1->char_count + new2->char_count == seg->char_count);
-
+ new1 = _gtk_char_segment_new (seg->body.chars, index);
+ new2 = _gtk_char_segment_new (seg->body.chars + index, seg->byte_count - index);
+
+ g_assert (gtk_text_byte_begins_utf8_char (new1->body.chars));
+ g_assert (gtk_text_byte_begins_utf8_char (new2->body.chars));
+ g_assert (new1->byte_count + new2->byte_count == seg->byte_count);
+ g_assert (new1->char_count + new2->char_count == seg->char_count);
+
new1->next = new2;
new2->next = seg->next;
- if (gtk_debug_flags & GTK_DEBUG_TEXT)
+ if (gtk_get_debug_flags () & GTK_DEBUG_TEXT)
{
- char_segment_self_check(new1);
- char_segment_self_check(new2);
+ char_segment_self_check (new1);
+ char_segment_self_check (new2);
}
-
- g_free(seg);
+
+ g_free (seg);
return new1;
}
* This procedure merges adjacent character segments into
* a single character segment, if possible.
*
+ * Arguments:
+ * segPtr: Pointer to the first of two adjacent segments to
+ * join.
+ * line: Line containing segments (not used).
+ *
* Results:
* The return value is a pointer to the first segment in
* the (new) list of segments that used to start with segPtr.
/* ARGSUSED */
static GtkTextLineSegment *
-char_segment_cleanup_func(segPtr, line)
- GtkTextLineSegment *segPtr; /* Pointer to first of two adjacent
- * segments to join. */
- GtkTextLine *line; /* Line containing segments (not
- * used). */
+char_segment_cleanup_func (GtkTextLineSegment *segPtr, GtkTextLine *line)
{
GtkTextLineSegment *segPtr2, *newPtr;
- if (gtk_debug_flags & GTK_DEBUG_TEXT)
- char_segment_self_check(segPtr);
-
+ if (gtk_get_debug_flags () & GTK_DEBUG_TEXT)
+ char_segment_self_check (segPtr);
+
segPtr2 = segPtr->next;
if ((segPtr2 == NULL) || (segPtr2->type != >k_text_char_type))
{
return segPtr;
}
- newPtr = char_segment_new_from_two_strings(segPtr->body.chars, segPtr->byte_count,
- segPtr2->body.chars, segPtr2->byte_count);
+ newPtr =
+ _gtk_char_segment_new_from_two_strings (segPtr->body.chars,
+ segPtr->byte_count,
+ segPtr->char_count,
+ segPtr2->body.chars,
+ segPtr2->byte_count,
+ segPtr2->char_count);
newPtr->next = segPtr2->next;
- if (gtk_debug_flags & GTK_DEBUG_TEXT)
- char_segment_self_check(newPtr);
-
- g_free(segPtr);
- g_free(segPtr2);
+ if (gtk_get_debug_flags () & GTK_DEBUG_TEXT)
+ char_segment_self_check (newPtr);
+
+ g_free (segPtr);
+ g_free (segPtr2);
return newPtr;
}
*
* This procedure is invoked to delete a character segment.
*
+ * Arguments:
+ * segPtr : Segment to delete
+ * line : Line containing segment
+ * treeGone : Non-zero means the entire tree is being
+ * deleted, so everything must get cleaned up.
+ *
* Results:
* Always returns 0 to indicate that the segment was deleted.
*
/* ARGSUSED */
static int
-char_segment_delete_func(segPtr, line, treeGone)
- GtkTextLineSegment *segPtr; /* Segment to delete. */
- GtkTextLine *line; /* Line containing segment. */
- int treeGone; /* Non-zero means the entire tree is
- * being deleted, so everything must
- * get cleaned up. */
+char_segment_delete_func (GtkTextLineSegment *segPtr, GtkTextLine *line, int treeGone)
{
- g_free((char*) segPtr);
+ g_free ((char*) segPtr);
return 0;
}
* This procedure is invoked to perform consistency checks
* on character segments.
*
+ * Arguments:
+ * segPtr : Segment to check
+ * line : Line containing segment
+ *
* Results:
* None.
*
/* ARGSUSED */
static void
-char_segment_check_func(segPtr, line)
- GtkTextLineSegment *segPtr; /* Segment to check. */
- GtkTextLine *line; /* Line containing segment. */
+char_segment_check_func (GtkTextLineSegment *segPtr, GtkTextLine *line)
{
- char_segment_self_check(segPtr);
-
- if (segPtr->next == NULL)
- {
- if (segPtr->body.chars[segPtr->byte_count-1] != '\n')
- {
- g_error("char_segment_check_func: line doesn't end with newline");
- }
- }
- else
+ char_segment_self_check (segPtr);
+
+ if (segPtr->next != NULL)
{
if (segPtr->next->type == >k_text_char_type)
{
- g_error("char_segment_check_func: adjacent character segments weren't merged");
+ g_error ("adjacent character segments weren't merged");
}
}
}
GtkTextLineSegment*
-toggle_segment_new(GtkTextTagInfo *info, gboolean on)
+_gtk_toggle_segment_new (GtkTextTagInfo *info, gboolean on)
{
GtkTextLineSegment *seg;
- seg = g_malloc(TSEG_SIZE);
+ seg = g_malloc (TSEG_SIZE);
seg->type = on ? >k_text_toggle_on_type : >k_text_toggle_off_type;
seg->byte_count = 0;
seg->char_count = 0;
-
+
seg->body.toggle.info = info;
seg->body.toggle.inNodeCounts = 0;
*
* This procedure is invoked to delete toggle segments.
*
+ * Arguments:
+ * segPtr : Segment to check
+ * line : Line containing segment
+ * treeGone : Non-zero means the entire tree is being
+ * deleted so everything must get cleaned up
+ *
* Results:
* Returns 1 to indicate that the segment may not be deleted,
* unless the entire B-tree is going away.
*/
static int
-toggle_segment_delete_func(segPtr, line, treeGone)
- GtkTextLineSegment *segPtr; /* Segment to check. */
- GtkTextLine *line; /* Line containing segment. */
- int treeGone; /* Non-zero means the entire tree is
- * being deleted, so everything must
- * get cleaned up. */
+toggle_segment_delete_func (GtkTextLineSegment *segPtr, GtkTextLine *line, int treeGone)
{
if (treeGone)
{
- g_free((char *) segPtr);
+ g_free ((char *) segPtr);
return 0;
}
if (segPtr->body.toggle.inNodeCounts)
{
- change_node_toggle_count(line->parent,
- segPtr->body.toggle.info, -1);
+ _gtk_change_node_toggle_count (line->parent,
+ segPtr->body.toggle.info, -1);
segPtr->body.toggle.inNodeCounts = 0;
}
return 1;
* been modified in some way. It's invoked after the
* modifications are complete.
*
+ * Arguments:
+ * segPtr : Segment to check
+ * line : Line that now contains segment
+ *
* Results:
* The return value is the head segment in a new list
* that is to replace the tail of the line that used to
*/
static GtkTextLineSegment *
-toggle_segment_cleanup_func(segPtr, line)
- GtkTextLineSegment *segPtr; /* Segment to check. */
- GtkTextLine *line; /* Line that now contains segment. */
+toggle_segment_cleanup_func (GtkTextLineSegment *segPtr, GtkTextLine *line)
{
GtkTextLineSegment *segPtr2, *prevPtr;
int counts;
+ segPtr2->body.toggle.inNodeCounts;
if (counts != 0)
{
- change_node_toggle_count(line->parent,
- segPtr->body.toggle.info, -counts);
+ _gtk_change_node_toggle_count (line->parent,
+ segPtr->body.toggle.info, -counts);
}
prevPtr->next = segPtr2->next;
- g_free((char *) segPtr2);
+ g_free ((char *) segPtr2);
segPtr2 = segPtr->next;
- g_free((char *) segPtr);
+ g_free ((char *) segPtr);
return segPtr2;
}
}
if (!segPtr->body.toggle.inNodeCounts)
{
- change_node_toggle_count(line->parent,
- segPtr->body.toggle.info, 1);
+ _gtk_change_node_toggle_count (line->parent,
+ segPtr->body.toggle.info, 1);
segPtr->body.toggle.inNodeCounts = 1;
}
return segPtr;
* This procedure is invoked when a toggle segment is about
* to move from one line to another.
*
+ * Arguments:
+ * segPtr : Segment to check
+ * line : Line that used to contain segment
+ *
* Results:
* None.
*
*/
static void
-toggle_segment_line_change_func(segPtr, line)
- GtkTextLineSegment *segPtr; /* Segment to check. */
- GtkTextLine *line; /* Line that used to contain segment. */
+toggle_segment_line_change_func (GtkTextLineSegment *segPtr, GtkTextLine *line)
{
if (segPtr->body.toggle.inNodeCounts)
{
- change_node_toggle_count(line->parent,
- segPtr->body.toggle.info, -1);
+ _gtk_change_node_toggle_count (line->parent,
+ segPtr->body.toggle.info, -1);
segPtr->body.toggle.inNodeCounts = 0;
}
}
*/
-GtkTextLineSegmentClass gtk_text_char_type = {
+const GtkTextLineSegmentClass gtk_text_char_type = {
"character", /* name */
0, /* leftGravity */
char_segment_split_func, /* splitFunc */
* range:
*/
-GtkTextLineSegmentClass gtk_text_toggle_on_type = {
+const GtkTextLineSegmentClass gtk_text_toggle_on_type = {
"toggleOn", /* name */
0, /* leftGravity */
NULL, /* splitFunc */
toggle_segment_delete_func, /* deleteFunc */
- toggle_segment_cleanup_func, /* cleanupFunc */
- toggle_segment_line_change_func, /* lineChangeFunc */
- toggle_segment_check_func /* checkFunc */
+ toggle_segment_cleanup_func, /* cleanupFunc */
+ toggle_segment_line_change_func, /* lineChangeFunc */
+ _gtk_toggle_segment_check_func /* checkFunc */
};
/*
* range:
*/
-GtkTextLineSegmentClass gtk_text_toggle_off_type = {
- "toggleOff", /* name */
- 1, /* leftGravity */
- NULL, /* splitFunc */
- toggle_segment_delete_func, /* deleteFunc */
- toggle_segment_cleanup_func, /* cleanupFunc */
- toggle_segment_line_change_func, /* lineChangeFunc */
- toggle_segment_check_func /* checkFunc */
+const GtkTextLineSegmentClass gtk_text_toggle_off_type = {
+ "toggleOff", /* name */
+ 1, /* leftGravity */
+ NULL, /* splitFunc */
+ toggle_segment_delete_func, /* deleteFunc */
+ toggle_segment_cleanup_func, /* cleanupFunc */
+ toggle_segment_line_change_func, /* lineChangeFunc */
+ _gtk_toggle_segment_check_func /* checkFunc */
};
projects / ~andy / gtk / blobdiff