*
*/
+#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 "gtksignal.h"
#include "gtktexttag.h"
#include "gtktexttagtable.h"
#include "gtktextlayout.h"
#include "gtktextiterprivate.h"
#include "gtkdebug.h"
#include "gtktextmarkprivate.h"
+#include "gtkalias.h"
/*
* Types
/*
* The structure below is used to pass information between
- * gtk_text_btree_get_tags and inc_count:
+ * _gtk_text_btree_get_tags and inc_count:
*/
typedef struct TagInfo {
/* Height and width of this node */
gint height;
- gint width : 24;
+ signed int width : 24;
- /* boolean indicating whether the height/width need to be recomputed */
- gint valid : 8;
+ /* boolean indicating whether the lines below this node are in need of validation.
+ * However, width/height should always represent the current total width and
+ * max height for lines below this node; the valid flag indicates whether the
+ * width/height on the lines needs recomputing, not whether the totals
+ * need recomputing.
+ */
+ guint valid : 8; /* Actually a boolean */
};
GtkTextBuffer *buffer;
BTreeView *views;
GSList *tag_infos;
- guint tag_changed_handler;
- guint tag_removed_handler;
+ gulong tag_changed_handler;
+
/* Incremented when a segment with a byte size > 0
- is added to or removed from the tree (i.e. the
- length of a line may have changed, and lines may
- have been added or removed). This invalidates
- all outstanding iterators.
- */
+ * is added to or removed from the tree (i.e. the
+ * length of a line may have changed, and lines may
+ * have been added or removed). This invalidates
+ * all outstanding iterators.
+ */
guint chars_changed_stamp;
/* Incremented when any segments are added or deleted;
- this makes outstanding iterators recalculate their
- pointed-to segment and segment offset.
- */
+ * this makes outstanding iterators recalculate their
+ * pointed-to segment and segment offset.
+ */
guint segments_changed_stamp;
- GtkTextLine *end_iter_line;
+ /* Cache the last line in the buffer */
+ GtkTextLine *last_line;
+ guint last_line_stamp;
+ /* Cache the next-to-last line in the buffer,
+ * containing the end iterator
+ */
+ GtkTextLine *end_iter_line;
+ GtkTextLineSegment *end_iter_segment;
+ int end_iter_segment_byte_index;
+ int end_iter_segment_char_offset;
guint end_iter_line_stamp;
-
+ guint end_iter_segment_stamp;
+
GHashTable *child_anchor_table;
};
gpointer view_id);
static void gtk_text_btree_node_destroy (GtkTextBTree *tree,
GtkTextBTreeNode *node);
+static void gtk_text_btree_node_free_empty (GtkTextBTree *tree,
+ GtkTextBTreeNode *node);
static NodeData * gtk_text_btree_node_ensure_data (GtkTextBTreeNode *node,
gpointer view_id);
static void gtk_text_btree_node_remove_data (GtkTextBTreeNode *node,
GtkTextTag *tag,
gboolean size_changed,
GtkTextBTree *tree);
-static void tag_removed_cb (GtkTextTagTable *table,
- GtkTextTag *tag,
- GtkTextBTree *tree);
static void cleanup_line (GtkTextLine *line);
static void recompute_node_counts (GtkTextBTree *tree,
GtkTextBTreeNode *node);
*/
GtkTextBTree*
-gtk_text_btree_new (GtkTextTagTable *table,
- GtkTextBuffer *buffer)
+_gtk_text_btree_new (GtkTextTagTable *table,
+ GtkTextBuffer *buffer)
{
GtkTextBTree *tree;
GtkTextBTreeNode *root_node;
tree->chars_changed_stamp = g_random_int ();
tree->segments_changed_stamp = g_random_int ();
+ tree->last_line_stamp = tree->chars_changed_stamp - 1;
+ tree->last_line = NULL;
+
tree->end_iter_line_stamp = tree->chars_changed_stamp - 1;
+ tree->end_iter_segment_stamp = tree->segments_changed_stamp - 1;
tree->end_iter_line = NULL;
+ tree->end_iter_segment_byte_index = 0;
+ tree->end_iter_segment_char_offset = 0;
+
+ g_object_ref (tree->table);
- gtk_object_ref (GTK_OBJECT (tree->table));
- gtk_object_sink (GTK_OBJECT (tree->table));
-
- tree->tag_changed_handler = gtk_signal_connect (GTK_OBJECT (tree->table),
- "tag_changed",
- GTK_SIGNAL_FUNC (tag_changed_cb),
- tree);
-
- tree->tag_removed_handler = gtk_signal_connect (GTK_OBJECT (tree->table),
- "tag_removed",
- GTK_SIGNAL_FUNC (tag_removed_cb),
- tree);
+ tree->tag_changed_handler = g_signal_connect (tree->table,
+ "tag_changed",
+ G_CALLBACK (tag_changed_cb),
+ tree);
tree->mark_table = g_hash_table_new (g_str_hash, g_str_equal);
tree->child_anchor_table = NULL;
GtkTextIter start;
GtkTextLineSegment *seg;
- gtk_text_btree_get_iter_at_line_char (tree, &start, 0, 0);
+ _gtk_text_btree_get_iter_at_line_char (tree, &start, 0, 0);
- tree->insert_mark = gtk_text_btree_set_mark (tree,
+ tree->insert_mark = _gtk_text_btree_set_mark (tree,
NULL,
"insert",
FALSE,
seg->body.mark.not_deleteable = TRUE;
seg->body.mark.visible = TRUE;
- tree->selection_bound_mark = gtk_text_btree_set_mark (tree,
+ tree->selection_bound_mark = _gtk_text_btree_set_mark (tree,
NULL,
"selection_bound",
FALSE,
seg->body.mark.not_deleteable = TRUE;
- g_object_ref (G_OBJECT (tree->insert_mark));
- g_object_ref (G_OBJECT (tree->selection_bound_mark));
+ g_object_ref (tree->insert_mark);
+ g_object_ref (tree->selection_bound_mark);
}
tree->refcount = 1;
}
void
-gtk_text_btree_ref (GtkTextBTree *tree)
+_gtk_text_btree_ref (GtkTextBTree *tree)
{
g_return_if_fail (tree != NULL);
g_return_if_fail (tree->refcount > 0);
tree->refcount += 1;
}
-static void
-mark_destroy_foreach (gpointer key, gpointer value, gpointer user_data)
-{
- GtkTextLineSegment *seg = value;
-
- g_return_if_fail (seg->body.mark.tree == NULL);
-
- g_object_unref (G_OBJECT (seg->body.mark.obj));
-}
-
void
-gtk_text_btree_unref (GtkTextBTree *tree)
+_gtk_text_btree_unref (GtkTextBTree *tree)
{
g_return_if_fail (tree != NULL);
g_return_if_fail (tree->refcount > 0);
tree->refcount -= 1;
if (tree->refcount == 0)
- {
- gtk_text_btree_node_destroy (tree, tree->root_node);
+ {
+ g_signal_handler_disconnect (tree->table,
+ tree->tag_changed_handler);
- g_hash_table_foreach (tree->mark_table,
- mark_destroy_foreach,
- NULL);
+ g_object_unref (tree->table);
+ tree->table = NULL;
+
+ gtk_text_btree_node_destroy (tree, tree->root_node);
+ tree->root_node = NULL;
+
+ g_assert (g_hash_table_size (tree->mark_table) == 0);
g_hash_table_destroy (tree->mark_table);
-
- g_object_unref (G_OBJECT (tree->insert_mark));
- g_object_unref (G_OBJECT (tree->selection_bound_mark));
-
- gtk_signal_disconnect (GTK_OBJECT (tree->table),
- tree->tag_changed_handler);
-
- gtk_signal_disconnect (GTK_OBJECT (tree->table),
- tree->tag_removed_handler);
-
- gtk_object_unref (GTK_OBJECT (tree->table));
+ tree->mark_table = NULL;
+ if (tree->child_anchor_table != NULL)
+ {
+ g_hash_table_destroy (tree->child_anchor_table);
+ tree->child_anchor_table = NULL;
+ }
+
+ g_object_unref (tree->insert_mark);
+ tree->insert_mark = NULL;
+ g_object_unref (tree->selection_bound_mark);
+ tree->selection_bound_mark = NULL;
g_free (tree);
}
}
GtkTextBuffer*
-gtk_text_btree_get_buffer (GtkTextBTree *tree)
+_gtk_text_btree_get_buffer (GtkTextBTree *tree)
{
return tree->buffer;
}
guint
-gtk_text_btree_get_chars_changed_stamp (GtkTextBTree *tree)
+_gtk_text_btree_get_chars_changed_stamp (GtkTextBTree *tree)
{
return tree->chars_changed_stamp;
}
guint
-gtk_text_btree_get_segments_changed_stamp (GtkTextBTree *tree)
+_gtk_text_btree_get_segments_changed_stamp (GtkTextBTree *tree)
{
return tree->segments_changed_stamp;
}
void
-gtk_text_btree_segments_changed (GtkTextBTree *tree)
+_gtk_text_btree_segments_changed (GtkTextBTree *tree)
{
g_return_if_fail (tree != NULL);
segments_changed (tree);
* Indexable segment mutation
*/
-void
-gtk_text_btree_delete (GtkTextIter *start,
- GtkTextIter *end)
+/*
+ * The following function is responsible for resolving the bidi direction
+ * for the lines between start and end. But it also calculates any
+ * dependent bidi direction for surrounding lines that change as a result
+ * of the bidi direction decisions within the range. The function is
+ * trying to do as little propagation as is needed.
+ */
+static void
+gtk_text_btree_resolve_bidi (GtkTextIter *start,
+ GtkTextIter *end)
{
- GtkTextLineSegment *prev_seg; /* The segment just before the start
- * of the deletion range. */
- GtkTextLineSegment *last_seg; /* The segment just after the end
- * of the deletion range. */
- GtkTextLineSegment *seg, *next;
- GtkTextLine *curline;
- GtkTextBTreeNode *curnode, *node;
- GtkTextBTree *tree;
- GtkTextLine *start_line;
- GtkTextLine *end_line;
- GtkTextLine *deleted_lines = NULL; /* List of lines we've deleted */
- gint start_byte_offset;
+ GtkTextBTree *tree = _gtk_text_iter_get_btree (start);
+ GtkTextLine *start_line, *end_line, *start_line_prev, *end_line_next, *line;
+ PangoDirection last_strong, dir_above_propagated, dir_below_propagated;
- g_return_if_fail (start != NULL);
- g_return_if_fail (end != NULL);
- g_return_if_fail (gtk_text_iter_get_btree (start) ==
- gtk_text_iter_get_btree (end));
+ /* Resolve the strong bidi direction for all lines between
+ * start and end.
+ */
+ start_line = _gtk_text_iter_get_text_line (start);
+ start_line_prev = _gtk_text_line_previous (start_line);
+ end_line = _gtk_text_iter_get_text_line (end);
+ end_line_next = _gtk_text_line_next (end_line);
+
+ line = start_line;
+ while (line && line != end_line_next)
+ {
+ /* Loop through the segments and search for a strong character
+ */
+ GtkTextLineSegment *seg = line->segments;
+ line->dir_strong = PANGO_DIRECTION_NEUTRAL;
+
+ while (seg)
+ {
+ if (seg->byte_count > 0)
+ {
+ PangoDirection pango_dir;
- gtk_text_iter_reorder (start, end);
+ pango_dir = pango_find_base_dir (seg->body.chars,
+ seg->byte_count);
+
+ if (pango_dir != PANGO_DIRECTION_NEUTRAL)
+ {
+ line->dir_strong = pango_dir;
+ break;
+ }
+ }
+ seg = seg->next;
+ }
- tree = gtk_text_iter_get_btree (start);
+ line = _gtk_text_line_next (line);
+ }
- {
- /*
- * The code below is ugly, but it's needed to make sure there
- * is always a dummy empty line at the end of the text. If the
- * final newline of the file (just before the dummy line) is being
- * deleted, then back up index to just before the newline. If
- * there is a newline just before the first character being deleted,
- * then back up the first index too, so that an even number of lines
- * gets deleted. Furthermore, remove any tags that are present on
- * the newline that isn't going to be deleted after all (this simulates
- * deleting the newline and then adding a "clean" one back again).
- */
+ /* Sweep forward */
- gint line1;
- gint line2;
+ /* The variable dir_above_propagated contains the forward propagated
+ * direction before start. It is neutral if start is in the beginning
+ * of the buffer.
+ */
+ dir_above_propagated = PANGO_DIRECTION_NEUTRAL;
+ if (start_line_prev)
+ dir_above_propagated = start_line_prev->dir_propagated_forward;
- line1 = gtk_text_iter_get_line (start);
- line2 = gtk_text_iter_get_line (end);
+ /* Loop forward and propagate the direction of each paragraph
+ * to all neutral lines.
+ */
+ line = start_line;
+ last_strong = dir_above_propagated;
+ while (line != end_line_next)
+ {
+ if (line->dir_strong != PANGO_DIRECTION_NEUTRAL)
+ last_strong = line->dir_strong;
+
+ line->dir_propagated_forward = last_strong;
+
+ line = _gtk_text_line_next (line);
+ }
- if (line2 == gtk_text_btree_line_count (tree))
+ /* Continue propagating as long as the previous resolved forward
+ * is different from last_strong.
+ */
+ {
+ GtkTextIter end_propagate;
+
+ while (line &&
+ line->dir_strong == PANGO_DIRECTION_NEUTRAL &&
+ line->dir_propagated_forward != last_strong)
{
- GtkTextTag** tags;
- int array_size;
- GtkTextIter orig_end;
+ GtkTextLine *prev = line;
+ line->dir_propagated_forward = last_strong;
+
+ line = _gtk_text_line_next(line);
+ if (!line)
+ {
+ line = prev;
+ break;
+ }
+ }
- orig_end = *end;
- gtk_text_iter_prev_char (end);
+ /* The last line to invalidate is the last line before the
+ * line with the strong character. Or in case of the end of the
+ * buffer, the last line of the buffer. (There seems to be an
+ * extra "virtual" last line in the buffer that must not be used
+ * calling _gtk_text_btree_get_iter_at_line (causes crash). Thus the
+ * _gtk_text_line_previous is ok in that case as well.)
+ */
+ line = _gtk_text_line_previous (line);
+ _gtk_text_btree_get_iter_at_line (tree, &end_propagate, line, 0);
+ _gtk_text_btree_invalidate_region (tree, end, &end_propagate);
+ }
+
+ /* Sweep backward */
- --line2;
+ /* The variable dir_below_propagated contains the backward propagated
+ * direction after end. It is neutral if end is at the end of
+ * the buffer.
+ */
+ dir_below_propagated = PANGO_DIRECTION_NEUTRAL;
+ if (end_line_next)
+ dir_below_propagated = end_line_next->dir_propagated_back;
- if (gtk_text_iter_get_line_offset (start) == 0 &&
- line1 != 0)
- {
- gtk_text_iter_prev_char (start);
- --line1;
- }
+ /* Loop backward and propagate the direction of each paragraph
+ * to all neutral lines.
+ */
+ line = end_line;
+ last_strong = dir_below_propagated;
+ while (line != start_line_prev)
+ {
+ if (line->dir_strong != PANGO_DIRECTION_NEUTRAL)
+ last_strong = line->dir_strong;
- tags = gtk_text_btree_get_tags (end,
- &array_size);
+ line->dir_propagated_back = last_strong;
- if (tags != NULL)
- {
- int i;
+ line = _gtk_text_line_previous (line);
+ }
- i = 0;
- while (i < array_size)
- {
- gtk_text_btree_tag (end, &orig_end, tags[i], FALSE);
+ /* Continue propagating as long as the resolved backward dir
+ * is different from last_strong.
+ */
+ {
+ GtkTextIter start_propagate;
- ++i;
- }
+ while (line &&
+ line->dir_strong == PANGO_DIRECTION_NEUTRAL &&
+ line->dir_propagated_back != last_strong)
+ {
+ GtkTextLine *prev = line;
+ line->dir_propagated_back = last_strong;
- g_free (tags);
+ line = _gtk_text_line_previous (line);
+ if (!line)
+ {
+ line = prev;
+ break;
}
}
+
+ /* We only need to invalidate for backwards propagation if the
+ * line we ended up on didn't get a direction from forwards
+ * propagation.
+ */
+ if (line && line->dir_propagated_forward == PANGO_DIRECTION_NEUTRAL)
+ {
+ _gtk_text_btree_get_iter_at_line (tree, &start_propagate, line, 0);
+ _gtk_text_btree_invalidate_region(tree, &start_propagate, start);
+ }
}
+}
+
+void
+_gtk_text_btree_delete (GtkTextIter *start,
+ GtkTextIter *end)
+{
+ GtkTextLineSegment *prev_seg; /* The segment just before the start
+ * of the deletion range. */
+ GtkTextLineSegment *last_seg; /* The segment just after the end
+ * of the deletion range. */
+ GtkTextLineSegment *seg, *next;
+ GtkTextLine *curline;
+ GtkTextBTreeNode *curnode, *node;
+ GtkTextBTree *tree;
+ GtkTextLine *start_line;
+ GtkTextLine *end_line;
+ GtkTextLine *deleted_lines = NULL; /* List of lines we've deleted */
+ gint start_byte_offset;
+
+ g_return_if_fail (start != NULL);
+ g_return_if_fail (end != NULL);
+ g_return_if_fail (_gtk_text_iter_get_btree (start) ==
+ _gtk_text_iter_get_btree (end));
+ gtk_text_iter_order (start, end);
+
+ tree = _gtk_text_iter_get_btree (start);
+
+ if (gtk_debug_flags & GTK_DEBUG_TEXT)
+ _gtk_text_btree_check (tree);
+
/* Broadcast the need for redisplay before we break the iterators */
- gtk_text_btree_invalidate_region (tree, start, end);
+ DV (g_print ("invalidating due to deleting some text (%s)\n", G_STRLOC));
+ _gtk_text_btree_invalidate_region (tree, start, end);
/* Save the byte offset so we can reset the iterators */
start_byte_offset = gtk_text_iter_get_line_index (start);
- start_line = gtk_text_iter_get_text_line (start);
- end_line = gtk_text_iter_get_text_line (end);
+ start_line = _gtk_text_iter_get_text_line (start);
+ end_line = _gtk_text_iter_get_text_line (end);
/*
* Split the start and end segments, so we have a place
* (unless it's the starting line for the range).
*/
- nextline = gtk_text_line_next (curline);
+ nextline = _gtk_text_line_next (curline);
if (curline != start_line)
{
if (curnode == start_line->parent)
for (node = curnode; node != NULL;
node = node->parent)
{
+ /* Don't update node->num_chars, because
+ * that was done when we deleted the segments.
+ */
node->num_lines -= 1;
}
prevnode->next = curnode->next;
}
parent->num_children--;
- g_free (curnode);
+ gtk_text_btree_node_free_empty (tree, curnode);
curnode = parent;
}
curnode = curline->parent;
next = seg->next;
char_count = seg->char_count;
- if ((*seg->type->deleteFunc)(seg, curline, 0) != 0)
+ if ((*seg->type->deleteFunc)(seg, curline, FALSE) != 0)
{
/*
* This segment refuses to die. Move it to prev_seg and
{
BTreeView *view;
GtkTextBTreeNode *ancestor_node;
-
GtkTextLine *prevline;
+ int chars_moved;
+ /* last_seg was appended to start_line up at the top of this function */
+ chars_moved = 0;
for (seg = last_seg; seg != NULL;
seg = seg->next)
{
+ chars_moved += seg->char_count;
if (seg->type->lineChangeFunc != NULL)
{
(*seg->type->lineChangeFunc)(seg, end_line);
}
}
+
+ for (node = start_line->parent; node != NULL;
+ node = node->parent)
+ {
+ node->num_chars += chars_moved;
+ }
+
curnode = end_line->parent;
for (node = curnode; node != NULL;
node = node->parent)
{
+ node->num_chars -= chars_moved;
node->num_lines--;
}
curnode->num_children--;
while (line)
{
GtkTextLine *next_line = line->next;
- ld = gtk_text_line_get_data (line, view->view_id);
+ ld = _gtk_text_line_get_data (line, view->view_id);
if (ld)
{
if (deleted_width > 0 || deleted_height > 0)
{
- ld = gtk_text_line_get_data (start_line, view->view_id);
-
- /* FIXME: ld is _NOT_ necessarily non-null here, but there is currently
- * no way to add ld without also validating the node, which would
- * be improper at this point.
- */
- /* This assertion does actually fail sometimes, must
- fix before stable release -hp */
- g_assert (ld);
-
+ ld = _gtk_text_line_get_data (start_line, view->view_id);
+
+ if (ld == NULL)
+ {
+ /* This means that start_line has never been validated.
+ * We don't really want to do the validation here but
+ * we do need to store our temporary sizes. So we
+ * create the line data and assume a line w/h of 0.
+ */
+ ld = _gtk_text_line_data_new (view->layout, start_line);
+ _gtk_text_line_add_data (start_line, ld);
+ ld->width = 0;
+ ld->height = 0;
+ ld->valid = FALSE;
+ }
+
ld->width = MAX (deleted_width, ld->width);
ld->height += deleted_height;
ld->valid = FALSE;
view = view->next;
}
+ /* avoid dangling pointer */
+ deleted_lines = NULL;
+
gtk_text_btree_rebalance (tree, curnode);
}
segments_changed (tree);
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
/* Re-initialize our iterators */
- gtk_text_btree_get_iter_at_line (tree, start, start_line, start_byte_offset);
+ _gtk_text_btree_get_iter_at_line (tree, start, start_line, start_byte_offset);
*end = *start;
+
+ gtk_text_btree_resolve_bidi (start, end);
}
void
-gtk_text_btree_insert (GtkTextIter *iter,
- const gchar *text,
- gint len)
+_gtk_text_btree_insert (GtkTextIter *iter,
+ const gchar *text,
+ gint len)
{
GtkTextLineSegment *prev_seg; /* The segment just before the first
* new segment (NULL means new segment
len = strlen (text);
/* extract iterator info */
- tree = gtk_text_iter_get_btree (iter);
- line = gtk_text_iter_get_text_line (iter);
+ tree = _gtk_text_iter_get_btree (iter);
+ line = _gtk_text_iter_get_text_line (iter);
+
start_line = line;
start_byte_index = gtk_text_iter_get_line_index (iter);
- /* Get our insertion segment split */
+ /* Get our insertion segment split. Note this assumes line allows
+ * char insertions, which isn't true of the "last" line. But iter
+ * should not be on that line, as we assert here.
+ */
+ g_assert (!_gtk_text_line_is_last (line, tree));
prev_seg = gtk_text_line_segment_split (iter);
cur_seg = prev_seg;
/* Invalidate all iterators */
chars_changed (tree);
segments_changed (tree);
-
+
/*
* Chop the text up into lines and create a new segment for
* each line, plus a new line for the leftovers from the
char_count_delta = 0;
while (eol < len)
{
+ sol = eol;
+
pango_find_paragraph_boundary (text + sol,
len - sol,
&delim,
/* make these relative to the start of the text */
delim += sol;
eol += sol;
+
+ g_assert (eol >= sol);
+ g_assert (delim >= sol);
+ g_assert (eol >= delim);
+ g_assert (sol >= 0);
+ g_assert (eol <= len);
chunk_len = eol - sol;
+ g_assert (g_utf8_validate (&text[sol], chunk_len, NULL));
seg = _gtk_char_segment_new (&text[sol], chunk_len);
char_count_delta += seg->char_count;
}
if (delim == eol)
- /* chunk didn't end with a paragraph separator */
- break;
+ {
+ /* chunk didn't end with a paragraph separator */
+ g_assert (eol == len);
+ break;
+ }
/*
* The chunk ended with a newline, so create a new GtkTextLine
line = newline;
cur_seg = NULL;
line_count_delta++;
-
- sol = eol;
}
/*
GtkTextIter end;
- gtk_text_btree_get_iter_at_line (tree,
- &start,
- start_line,
- start_byte_index);
+ _gtk_text_btree_get_iter_at_line (tree,
+ &start,
+ start_line,
+ start_byte_index);
end = start;
/* We could almost certainly be more efficient here
above. FIXME */
gtk_text_iter_forward_chars (&end, char_count_delta);
- gtk_text_btree_invalidate_region (tree,
+ DV (g_print ("invalidating due to inserting some text (%s)\n", G_STRLOC));
+ _gtk_text_btree_invalidate_region (tree,
&start, &end);
/* Convenience for the user */
*iter = end;
+
+ gtk_text_btree_resolve_bidi (&start, &end);
}
}
GtkTextBTree *tree;
gint start_byte_offset;
- line = gtk_text_iter_get_text_line (iter);
- tree = gtk_text_iter_get_btree (iter);
+ line = _gtk_text_iter_get_text_line (iter);
+ tree = _gtk_text_iter_get_btree (iter);
start_byte_offset = gtk_text_iter_get_line_index (iter);
prevPtr = gtk_text_line_segment_split (iter);
/* reset *iter for the user, and invalidate tree nodes */
- gtk_text_btree_get_iter_at_line (tree, &start, line, start_byte_offset);
+ _gtk_text_btree_get_iter_at_line (tree, &start, line, start_byte_offset);
*iter = start;
- gtk_text_iter_next_char (iter); /* skip forward past the segment */
+ gtk_text_iter_forward_char (iter); /* skip forward past the segment */
- gtk_text_btree_invalidate_region (tree, &start, iter);
+ DV (g_print ("invalidating due to inserting pixbuf/widget (%s)\n", G_STRLOC));
+ _gtk_text_btree_invalidate_region (tree, &start, iter);
}
void
-gtk_text_btree_insert_pixbuf (GtkTextIter *iter,
+_gtk_text_btree_insert_pixbuf (GtkTextIter *iter,
GdkPixbuf *pixbuf)
{
GtkTextLineSegment *seg;
insert_pixbuf_or_widget_segment (iter, seg);
}
-GtkTextChildAnchor*
-gtk_text_btree_create_child_anchor (GtkTextIter *iter)
+void
+_gtk_text_btree_insert_child_anchor (GtkTextIter *iter,
+ GtkTextChildAnchor *anchor)
{
GtkTextLineSegment *seg;
GtkTextBTree *tree;
+
+ if (anchor->segment != NULL)
+ {
+ g_warning (G_STRLOC": Same child anchor can't be inserted twice");
+ return;
+ }
- seg = _gtk_widget_segment_new ();
+ seg = _gtk_widget_segment_new (anchor);
- tree = seg->body.child.tree = gtk_text_iter_get_btree (iter);
+ tree = seg->body.child.tree = _gtk_text_iter_get_btree (iter);
+ seg->body.child.line = _gtk_text_iter_get_text_line (iter);
insert_pixbuf_or_widget_segment (iter, seg);
g_hash_table_insert (tree->child_anchor_table,
seg->body.child.obj,
seg->body.child.obj);
-
- return seg->body.child.obj;
}
void
-gtk_text_btree_unregister_child_anchor (GtkTextChildAnchor *anchor)
+_gtk_text_btree_unregister_child_anchor (GtkTextChildAnchor *anchor)
{
GtkTextLineSegment *seg;
gint current_y = 0;
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
if (node->level == 0)
{
{
GtkTextLineData *ld;
- ld = gtk_text_line_get_data (line, view->view_id);
+ ld = _gtk_text_line_get_data (line, view->view_id);
if (ld)
{
}
GtkTextLine *
-gtk_text_btree_find_line_by_y (GtkTextBTree *tree,
- gpointer view_id,
- gint ypixel,
- gint *line_top_out)
+_gtk_text_btree_find_line_by_y (GtkTextBTree *tree,
+ gpointer view_id,
+ gint ypixel,
+ gint *line_top_out)
{
GtkTextLine *line;
BTreeView *view;
if (line == target_line)
return y;
- ld = gtk_text_line_get_data (line, view->view_id);
+ ld = _gtk_text_line_get_data (line, view->view_id);
if (ld)
y += ld->height;
}
gint
-gtk_text_btree_find_line_top (GtkTextBTree *tree,
+_gtk_text_btree_find_line_top (GtkTextBTree *tree,
GtkTextLine *target_line,
gpointer view_id)
{
}
void
-gtk_text_btree_add_view (GtkTextBTree *tree,
+_gtk_text_btree_add_view (GtkTextBTree *tree,
GtkTextLayout *layout)
{
BTreeView *view;
GtkTextLineData *line_data;
g_return_if_fail (tree != NULL);
-
+
view = g_new (BTreeView, 1);
view->view_id = layout;
view->next = tree->views;
view->prev = NULL;
+ if (tree->views)
+ {
+ g_assert (tree->views->prev == NULL);
+ tree->views->prev = view;
+ }
+
tree->views = view;
/* The last line in the buffer has identity values for the per-view
line_data->height = 0;
line_data->valid = TRUE;
- gtk_text_line_add_data (last_line, line_data);
+ _gtk_text_line_add_data (last_line, line_data);
}
void
-gtk_text_btree_remove_view (GtkTextBTree *tree,
- gpointer view_id)
+_gtk_text_btree_remove_view (GtkTextBTree *tree,
+ gpointer view_id)
{
BTreeView *view;
GtkTextLine *last_line;
GtkTextLineData *line_data;
g_return_if_fail (tree != NULL);
-
+
view = tree->views;
while (view != NULL)
* (Do this first, so that we don't try to call the view's line data destructor on it.)
*/
last_line = get_last_line (tree);
- line_data = gtk_text_line_remove_data (last_line, view_id);
+ line_data = _gtk_text_line_remove_data (last_line, view_id);
g_free (line_data);
gtk_text_btree_node_remove_view (view, tree->root_node, view_id);
+ view->layout = (gpointer) 0xdeadbeef;
+ view->view_id = (gpointer) 0xdeadbeef;
+
g_free (view);
}
void
-gtk_text_btree_invalidate_region (GtkTextBTree *tree,
- const GtkTextIter *start,
- const GtkTextIter *end)
+_gtk_text_btree_invalidate_region (GtkTextBTree *tree,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
{
BTreeView *view;
}
void
-gtk_text_btree_get_view_size (GtkTextBTree *tree,
+_gtk_text_btree_get_view_size (GtkTextBTree *tree,
gpointer view_id,
gint *width,
gint *height)
const GtkTextIter *start,
const GtkTextIter *end)
{
- if (gtk_text_tag_affects_size (tag))
+ if (_gtk_text_tag_affects_size (tag))
{
- gtk_text_btree_invalidate_region (tree, start, end);
-
+ DV (g_print ("invalidating due to size-affecting tag (%s)\n", G_STRLOC));
+ _gtk_text_btree_invalidate_region (tree, start, end);
}
- else if (gtk_text_tag_affects_nonsize_appearance (tag))
+ else if (_gtk_text_tag_affects_nonsize_appearance (tag))
{
/* We only need to queue a redraw, not a relayout */
redisplay_region (tree, start, end);
}
void
-gtk_text_btree_tag (const GtkTextIter *start_orig,
- const GtkTextIter *end_orig,
- GtkTextTag *tag,
- gboolean add)
+_gtk_text_btree_tag (const GtkTextIter *start_orig,
+ const GtkTextIter *end_orig,
+ GtkTextTag *tag,
+ gboolean add)
{
GtkTextLineSegment *seg, *prev;
GtkTextLine *cleanupline;
g_return_if_fail (start_orig != NULL);
g_return_if_fail (end_orig != NULL);
g_return_if_fail (GTK_IS_TEXT_TAG (tag));
- g_return_if_fail (gtk_text_iter_get_btree (start_orig) ==
- gtk_text_iter_get_btree (end_orig));
-
+ g_return_if_fail (_gtk_text_iter_get_btree (start_orig) ==
+ _gtk_text_iter_get_btree (end_orig));
+ g_return_if_fail (tag->table == _gtk_text_iter_get_btree (start_orig)->table);
+
#if 0
printf ("%s tag %s from %d to %d\n",
add ? "Adding" : "Removing",
start = *start_orig;
end = *end_orig;
- gtk_text_iter_reorder (&start, &end);
+ gtk_text_iter_order (&start, &end);
- tree = gtk_text_iter_get_btree (&start);
+ tree = _gtk_text_iter_get_btree (&start);
queue_tag_redisplay (tree, tag, &start, &end);
info = gtk_text_btree_get_tag_info (tree, tag);
- start_line = gtk_text_iter_get_text_line (&start);
- end_line = gtk_text_iter_get_text_line (&end);
+ start_line = _gtk_text_iter_get_text_line (&start);
+ end_line = _gtk_text_iter_get_text_line (&end);
/* Find all tag toggles in the region; we are going to delete them.
We need to find them in advance, because
with the tree. */
stack = iter_stack_new ();
iter = start;
- /* We don't want to delete a toggle that's at the start iterator. */
- gtk_text_iter_next_char (&iter);
+
+ /* forward_to_tag_toggle() skips a toggle at the start iterator,
+ * which is deliberate - we don't want to delete a toggle at the
+ * start.
+ */
while (gtk_text_iter_forward_to_tag_toggle (&iter, tag))
{
if (gtk_text_iter_compare (&iter, &end) >= 0)
GtkTextLineSegment *indexable_seg;
GtkTextLine *line;
- line = gtk_text_iter_get_text_line (&iter);
- seg = gtk_text_iter_get_any_segment (&iter);
- indexable_seg = gtk_text_iter_get_indexable_segment (&iter);
+ line = _gtk_text_iter_get_text_line (&iter);
+ seg = _gtk_text_iter_get_any_segment (&iter);
+ indexable_seg = _gtk_text_iter_get_indexable_segment (&iter);
g_assert (seg != NULL);
g_assert (indexable_seg != NULL);
g_assert (seg != NULL);
g_assert (indexable_seg != NULL);
g_assert (seg != indexable_seg);
-
+
if ( (seg->type == >k_text_toggle_on_type ||
seg->type == >k_text_toggle_off_type) &&
(seg->body.toggle.info == info) )
segments_changed (tree);
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
}
* "Getters"
*/
-GtkTextLine*
-gtk_text_btree_get_line (GtkTextBTree *tree,
- gint line_number,
- gint *real_line_number)
+static GtkTextLine*
+get_line_internal (GtkTextBTree *tree,
+ gint line_number,
+ gint *real_line_number,
+ gboolean include_last)
{
GtkTextBTreeNode *node;
GtkTextLine *line;
int lines_left;
int line_count;
- line_count = gtk_text_btree_line_count (tree);
-
+ line_count = _gtk_text_btree_line_count (tree);
+ if (!include_last)
+ line_count -= 1;
+
if (line_number < 0)
{
line_number = line_count;
}
GtkTextLine*
-gtk_text_btree_get_line_at_char (GtkTextBTree *tree,
- gint char_index,
- gint *line_start_index,
- gint *real_char_index)
+_gtk_text_btree_get_end_iter_line (GtkTextBTree *tree)
+{
+ return
+ _gtk_text_btree_get_line (tree,
+ _gtk_text_btree_line_count (tree) - 1,
+ NULL);
+}
+
+GtkTextLine*
+_gtk_text_btree_get_line (GtkTextBTree *tree,
+ gint line_number,
+ gint *real_line_number)
+{
+ return get_line_internal (tree, line_number, real_line_number, TRUE);
+}
+
+GtkTextLine*
+_gtk_text_btree_get_line_no_last (GtkTextBTree *tree,
+ gint line_number,
+ gint *real_line_number)
+{
+ return get_line_internal (tree, line_number, real_line_number, FALSE);
+}
+
+GtkTextLine*
+_gtk_text_btree_get_line_at_char (GtkTextBTree *tree,
+ gint char_index,
+ gint *line_start_index,
+ gint *real_char_index)
{
GtkTextBTreeNode *node;
GtkTextLine *line;
node = tree->root_node;
- /* Clamp to valid indexes (-1 is magic for "highest index") */
- if (char_index < 0 || char_index >= node->num_chars)
+ /* Clamp to valid indexes (-1 is magic for "highest index"),
+ * node->num_chars includes the two newlines that aren't really
+ * in the buffer.
+ */
+ if (char_index < 0 || char_index >= (node->num_chars - 1))
{
- char_index = node->num_chars - 1;
+ char_index = node->num_chars - 2;
}
*real_char_index = char_index;
}
GtkTextTag**
-gtk_text_btree_get_tags (const GtkTextIter *iter,
+_gtk_text_btree_get_tags (const GtkTextIter *iter,
gint *num_tags)
{
GtkTextBTreeNode *node;
#define NUM_TAG_INFOS 10
- line = gtk_text_iter_get_text_line (iter);
- tree = gtk_text_iter_get_btree (iter);
+ line = _gtk_text_iter_get_text_line (iter);
+ tree = _gtk_text_iter_get_btree (iter);
byte_index = gtk_text_iter_get_line_index (iter);
tagInfo.numTags = 0;
if (gtk_text_iter_equal (start, end))
return;
- seg = gtk_text_iter_get_indexable_segment (start);
- end_seg = gtk_text_iter_get_indexable_segment (end);
+ seg = _gtk_text_iter_get_indexable_segment (start);
+ end_seg = _gtk_text_iter_get_indexable_segment (end);
if (seg->type == >k_text_char_type)
{
/* Don't copy if we're invisible; segments are invisible/not
as a whole, no need to check each char */
if (!include_hidden &&
- gtk_text_btree_char_is_invisible (start))
+ _gtk_text_btree_char_is_invisible (start))
{
copy = FALSE;
/* printf (" <invisible>\n"); */
}
- copy_start = gtk_text_iter_get_segment_byte (start);
+ copy_start = _gtk_text_iter_get_segment_byte (start);
if (seg == end_seg)
{
/* End is in the same segment; need to copy fewer bytes. */
- gint end_byte = gtk_text_iter_get_segment_byte (end);
+ gint end_byte = _gtk_text_iter_get_segment_byte (end);
copy_bytes = end_byte - copy_start;
}
copy = FALSE;
}
else if (!include_hidden &&
- gtk_text_btree_char_is_invisible (start))
+ _gtk_text_btree_char_is_invisible (start))
{
copy = FALSE;
}
}
gchar*
-gtk_text_btree_get_text (const GtkTextIter *start_orig,
+_gtk_text_btree_get_text (const GtkTextIter *start_orig,
const GtkTextIter *end_orig,
gboolean include_hidden,
gboolean include_nonchars)
g_return_val_if_fail (start_orig != NULL, NULL);
g_return_val_if_fail (end_orig != NULL, NULL);
- g_return_val_if_fail (gtk_text_iter_get_btree (start_orig) ==
- gtk_text_iter_get_btree (end_orig), NULL);
+ g_return_val_if_fail (_gtk_text_iter_get_btree (start_orig) ==
+ _gtk_text_iter_get_btree (end_orig), NULL);
start = *start_orig;
end = *end_orig;
- gtk_text_iter_reorder (&start, &end);
+ gtk_text_iter_order (&start, &end);
- retval = g_string_new ("");
+ retval = g_string_new (NULL);
- tree = gtk_text_iter_get_btree (&start);
+ tree = _gtk_text_iter_get_btree (&start);
- end_seg = gtk_text_iter_get_indexable_segment (&end);
+ end_seg = _gtk_text_iter_get_indexable_segment (&end);
iter = start;
- seg = gtk_text_iter_get_indexable_segment (&iter);
+ seg = _gtk_text_iter_get_indexable_segment (&iter);
while (seg != end_seg)
{
copy_segment (retval, include_hidden, include_nonchars,
&iter, &end);
- gtk_text_iter_forward_indexable_segment (&iter);
+ _gtk_text_iter_forward_indexable_segment (&iter);
- seg = gtk_text_iter_get_indexable_segment (&iter);
+ seg = _gtk_text_iter_get_indexable_segment (&iter);
}
copy_segment (retval, include_hidden, include_nonchars, &iter, &end);
}
gint
-gtk_text_btree_line_count (GtkTextBTree *tree)
+_gtk_text_btree_line_count (GtkTextBTree *tree)
{
/* Subtract bogus line at the end; we return a count
of usable lines. */
}
gint
-gtk_text_btree_char_count (GtkTextBTree *tree)
+_gtk_text_btree_char_count (GtkTextBTree *tree)
{
- /* Exclude newline in bogus last line */
- return tree->root_node->num_chars - 1;
+ /* Exclude newline in bogus last line and the
+ * one in the last line that is after the end iterator
+ */
+ return tree->root_node->num_chars - 2;
}
#define LOTSA_TAGS 1000
gboolean
-gtk_text_btree_char_is_invisible (const GtkTextIter *iter)
+_gtk_text_btree_char_is_invisible (const GtkTextIter *iter)
{
gboolean invisible = FALSE; /* if nobody says otherwise, it's visible */
GtkTextBTree *tree;
gint byte_index;
- line = gtk_text_iter_get_text_line (iter);
- tree = gtk_text_iter_get_btree (iter);
+ line = _gtk_text_iter_get_text_line (iter);
+ tree = _gtk_text_iter_get_btree (iter);
byte_index = gtk_text_iter_get_line_index (iter);
- numTags = gtk_text_tag_table_size (tree->table);
+ numTags = gtk_text_tag_table_get_size (tree->table);
/* almost always avoid malloc, so stay out of system calls */
if (LOTSA_TAGS < numTags)
end = tmp;
}
- start_line = gtk_text_iter_get_text_line (start);
- end_line = gtk_text_iter_get_text_line (end);
+ start_line = _gtk_text_iter_get_text_line (start);
+ end_line = _gtk_text_iter_get_text_line (end);
view = tree->views;
while (view != NULL)
gint start_y, end_y;
GtkTextLineData *ld;
- start_y = gtk_text_btree_find_line_top (tree, start_line, view->view_id);
+ start_y = _gtk_text_btree_find_line_top (tree, start_line, view->view_id);
if (end_line == start_line)
end_y = start_y;
else
- end_y = gtk_text_btree_find_line_top (tree, end_line, view->view_id);
+ end_y = _gtk_text_btree_find_line_top (tree, end_line, view->view_id);
- ld = gtk_text_line_get_data (end_line, view->view_id);
+ ld = _gtk_text_line_get_data (end_line, view->view_id);
if (ld)
end_y += ld->height;
GtkTextIter iter;
GtkTextIter end;
- gtk_text_btree_get_iter_at_mark (mark->body.mark.tree,
+ _gtk_text_btree_get_iter_at_mark (mark->body.mark.tree,
&iter,
mark->body.mark.obj);
end = iter;
- gtk_text_iter_next_char (&end);
+ gtk_text_iter_forward_char (&end);
- gtk_text_btree_invalidate_region (mark->body.mark.tree,
+ DV (g_print ("invalidating due to moving visible mark (%s)\n", G_STRLOC));
+ _gtk_text_btree_invalidate_region (mark->body.mark.tree,
&iter, &end);
}
GtkTextIter *iter)
{
if (gtk_text_iter_get_line (iter) ==
- gtk_text_btree_line_count (tree))
- gtk_text_iter_prev_char (iter);
+ _gtk_text_btree_line_count (tree))
+ gtk_text_iter_backward_char (iter);
}
static GtkTextLineSegment*
g_return_val_if_fail (tree != NULL, NULL);
g_return_val_if_fail (where != NULL, NULL);
- g_return_val_if_fail (gtk_text_iter_get_btree (where) == tree, NULL);
+ g_return_val_if_fail (_gtk_text_iter_get_btree (where) == tree, NULL);
if (existing_mark)
mark = existing_mark->segment;
iter = *where;
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_iter_check (&iter);
+ _gtk_text_iter_check (&iter);
if (mark != NULL)
{
{
GtkTextIter old_pos;
- gtk_text_btree_get_iter_at_mark (tree, &old_pos,
+ _gtk_text_btree_get_iter_at_mark (tree, &old_pos,
mark->body.mark.obj);
redisplay_region (tree, &old_pos, where);
}
This could hose our iterator... */
gtk_text_btree_unlink_segment (tree, mark,
mark->body.mark.line);
- mark->body.mark.line = gtk_text_iter_get_text_line (&iter);
- g_assert (mark->body.mark.line == gtk_text_iter_get_text_line (&iter));
+ mark->body.mark.line = _gtk_text_iter_get_text_line (&iter);
+ g_assert (mark->body.mark.line == _gtk_text_iter_get_text_line (&iter));
segments_changed (tree); /* make sure the iterator recomputes its
segment */
left_gravity,
name);
- mark->body.mark.line = gtk_text_iter_get_text_line (&iter);
+ mark->body.mark.line = _gtk_text_iter_get_text_line (&iter);
if (mark->body.mark.name)
g_hash_table_insert (tree->mark_table,
}
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_iter_check (&iter);
+ _gtk_text_iter_check (&iter);
/* Link mark into new location */
gtk_text_btree_link_segment (mark, &iter);
redisplay_mark_if_visible (mark);
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_iter_check (&iter);
+ _gtk_text_iter_check (&iter);
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
return mark;
}
GtkTextMark*
-gtk_text_btree_set_mark (GtkTextBTree *tree,
+_gtk_text_btree_set_mark (GtkTextBTree *tree,
GtkTextMark *existing_mark,
const gchar *name,
gboolean left_gravity,
}
gboolean
-gtk_text_btree_get_selection_bounds (GtkTextBTree *tree,
+_gtk_text_btree_get_selection_bounds (GtkTextBTree *tree,
GtkTextIter *start,
GtkTextIter *end)
{
GtkTextIter tmp_start, tmp_end;
- gtk_text_btree_get_iter_at_mark (tree, &tmp_start,
+ _gtk_text_btree_get_iter_at_mark (tree, &tmp_start,
tree->insert_mark);
- gtk_text_btree_get_iter_at_mark (tree, &tmp_end,
+ _gtk_text_btree_get_iter_at_mark (tree, &tmp_end,
tree->selection_bound_mark);
if (gtk_text_iter_equal (&tmp_start, &tmp_end))
}
else
{
- gtk_text_iter_reorder (&tmp_start, &tmp_end);
+ gtk_text_iter_order (&tmp_start, &tmp_end);
if (start)
*start = tmp_start;
}
void
-gtk_text_btree_place_cursor (GtkTextBTree *tree,
+_gtk_text_btree_place_cursor (GtkTextBTree *tree,
const GtkTextIter *iter)
+{
+ _gtk_text_btree_select_range (tree, iter, iter);
+}
+
+void
+_gtk_text_btree_select_range (GtkTextBTree *tree,
+ const GtkTextIter *ins,
+ const GtkTextIter *bound)
{
GtkTextIter start, end;
- if (gtk_text_btree_get_selection_bounds (tree, &start, &end))
+ if (_gtk_text_btree_get_selection_bounds (tree, &start, &end))
redisplay_region (tree, &start, &end);
/* Move insert AND selection_bound before we redisplay */
real_set_mark (tree, tree->insert_mark,
- "insert", FALSE, iter, TRUE, FALSE);
+ "insert", FALSE, ins, TRUE, FALSE);
real_set_mark (tree, tree->selection_bound_mark,
- "selection_bound", FALSE, iter, TRUE, FALSE);
+ "selection_bound", FALSE, bound, TRUE, FALSE);
+
+ redisplay_region (tree, ins, bound);
}
+
void
-gtk_text_btree_remove_mark_by_name (GtkTextBTree *tree,
+_gtk_text_btree_remove_mark_by_name (GtkTextBTree *tree,
const gchar *name)
{
GtkTextMark *mark;
mark = g_hash_table_lookup (tree->mark_table,
name);
- gtk_text_btree_remove_mark (tree, mark);
+ _gtk_text_btree_remove_mark (tree, mark);
+}
+
+void
+_gtk_text_btree_release_mark_segment (GtkTextBTree *tree,
+ GtkTextLineSegment *segment)
+{
+
+ if (segment->body.mark.name)
+ g_hash_table_remove (tree->mark_table, segment->body.mark.name);
+
+ segment->body.mark.tree = NULL;
+ segment->body.mark.line = NULL;
+
+ /* Remove the ref on the mark, which frees segment as a side effect
+ * if this is the last reference.
+ */
+ g_object_unref (segment->body.mark.obj);
}
void
-gtk_text_btree_remove_mark (GtkTextBTree *tree,
- GtkTextMark *mark)
+_gtk_text_btree_remove_mark (GtkTextBTree *tree,
+ GtkTextMark *mark)
{
GtkTextLineSegment *segment;
/* This calls cleanup_line and segments_changed */
gtk_text_btree_unlink_segment (tree, segment, segment->body.mark.line);
-
- if (segment->body.mark.name)
- g_hash_table_remove (tree->mark_table, segment->body.mark.name);
-
- /* Remove the ref on the mark that belonged to the segment. */
- g_object_unref (G_OBJECT (mark));
-
- segment->body.mark.tree = NULL;
- segment->body.mark.line = NULL;
+
+ _gtk_text_btree_release_mark_segment (tree, segment);
}
gboolean
-gtk_text_btree_mark_is_insert (GtkTextBTree *tree,
- GtkTextMark *segment)
+_gtk_text_btree_mark_is_insert (GtkTextBTree *tree,
+ GtkTextMark *segment)
{
return segment == tree->insert_mark;
}
gboolean
-gtk_text_btree_mark_is_selection_bound (GtkTextBTree *tree,
- GtkTextMark *segment)
+_gtk_text_btree_mark_is_selection_bound (GtkTextBTree *tree,
+ GtkTextMark *segment)
{
return segment == tree->selection_bound_mark;
}
GtkTextMark*
-gtk_text_btree_get_mark_by_name (GtkTextBTree *tree,
- const gchar *name)
+_gtk_text_btree_get_mark_by_name (GtkTextBTree *tree,
+ const gchar *name)
{
GtkTextLineSegment *seg;
return seg ? seg->body.mark.obj : NULL;
}
+/**
+ * gtk_text_mark_set_visible:
+ * @mark: a #GtkTextMark
+ * @setting: visibility of mark
+ *
+ * Sets the visibility of @mark; the insertion point is normally
+ * visible, i.e. you can see it as a vertical bar. Also, the text
+ * widget uses a visible mark to indicate where a drop will occur when
+ * dragging-and-dropping text. Most other marks are not visible.
+ * Marks are not visible by default.
+ *
+ **/
void
gtk_text_mark_set_visible (GtkTextMark *mark,
gboolean setting)
}
GtkTextLine*
-gtk_text_btree_first_could_contain_tag (GtkTextBTree *tree,
+_gtk_text_btree_first_could_contain_tag (GtkTextBTree *tree,
GtkTextTag *tag)
{
GtkTextBTreeNode *node;
Unfortunately this can't be done in a simple and efficient way
right now; so I'm just going to return the
first line in the btree. FIXME */
- return gtk_text_btree_get_line (tree, 0, NULL);
+ return _gtk_text_btree_get_line (tree, 0, NULL);
}
}
GtkTextLine*
-gtk_text_btree_last_could_contain_tag (GtkTextBTree *tree,
+_gtk_text_btree_last_could_contain_tag (GtkTextBTree *tree,
GtkTextTag *tag)
{
GtkTextBTreeNode *node;
at least not without complexity.
So, we just return the last line.
*/
- return gtk_text_btree_get_line (tree, -1, NULL);
+ return _gtk_text_btree_get_end_iter_line (tree);
}
}
*/
gint
-gtk_text_line_get_number (GtkTextLine *line)
+_gtk_text_line_get_number (GtkTextLine *line)
{
GtkTextLine *line2;
GtkTextBTreeNode *node, *parent, *node2;
/* FIXME this function is far too slow, for no good reason. */
gboolean
-gtk_text_line_char_has_tag (GtkTextLine *line,
- GtkTextBTree *tree,
- gint char_in_line,
- GtkTextTag *tag)
+_gtk_text_line_char_has_tag (GtkTextLine *line,
+ GtkTextBTree *tree,
+ gint char_in_line,
+ GtkTextTag *tag)
{
GtkTextLineSegment *toggle_seg;
}
gboolean
-gtk_text_line_byte_has_tag (GtkTextLine *line,
- GtkTextBTree *tree,
- gint byte_in_line,
- GtkTextTag *tag)
+_gtk_text_line_byte_has_tag (GtkTextLine *line,
+ GtkTextBTree *tree,
+ gint byte_in_line,
+ GtkTextTag *tag)
{
GtkTextLineSegment *toggle_seg;
}
gboolean
-gtk_text_line_is_last (GtkTextLine *line,
- GtkTextBTree *tree)
+_gtk_text_line_is_last (GtkTextLine *line,
+ GtkTextBTree *tree)
{
return line == get_last_line (tree);
}
+static void
+ensure_end_iter_line (GtkTextBTree *tree)
+{
+ if (tree->end_iter_line_stamp != tree->chars_changed_stamp)
+ {
+ int n_lines;
+ int real_line;
+
+ /* n_lines is without the magic line at the end */
+ n_lines = _gtk_text_btree_line_count (tree);
+
+ g_assert (n_lines >= 1);
+
+ tree->end_iter_line = _gtk_text_btree_get_line_no_last (tree, -1, &real_line);
+
+ tree->end_iter_line_stamp = tree->chars_changed_stamp;
+ }
+}
+
+static void
+ensure_end_iter_segment (GtkTextBTree *tree)
+{
+ if (tree->end_iter_segment_stamp != tree->segments_changed_stamp)
+ {
+ GtkTextLineSegment *seg;
+ GtkTextLineSegment *last_with_chars;
+
+ ensure_end_iter_line (tree);
+
+ last_with_chars = NULL;
+
+ seg = tree->end_iter_line->segments;
+ while (seg != NULL)
+ {
+ if (seg->char_count > 0)
+ last_with_chars = seg;
+ seg = seg->next;
+ }
+
+ tree->end_iter_segment = last_with_chars;
+
+ /* We know the last char in the last line is '\n' */
+ tree->end_iter_segment_byte_index = last_with_chars->byte_count - 1;
+ tree->end_iter_segment_char_offset = last_with_chars->char_count - 1;
+
+ tree->end_iter_segment_stamp = tree->segments_changed_stamp;
+
+ g_assert (tree->end_iter_segment->type == >k_text_char_type);
+ g_assert (tree->end_iter_segment->body.chars[tree->end_iter_segment_byte_index] == '\n');
+ }
+}
+
+gboolean
+_gtk_text_line_contains_end_iter (GtkTextLine *line,
+ GtkTextBTree *tree)
+{
+ ensure_end_iter_line (tree);
+
+ return line == tree->end_iter_line;
+}
+
+gboolean
+_gtk_text_btree_is_end (GtkTextBTree *tree,
+ GtkTextLine *line,
+ GtkTextLineSegment *seg,
+ int byte_index,
+ int char_offset)
+{
+ g_return_val_if_fail (byte_index >= 0 || char_offset >= 0, FALSE);
+
+ /* Do this first to avoid walking segments in most cases */
+ if (!_gtk_text_line_contains_end_iter (line, tree))
+ return FALSE;
+
+ ensure_end_iter_segment (tree);
+
+ if (seg != tree->end_iter_segment)
+ return FALSE;
+
+ if (byte_index >= 0)
+ return byte_index == tree->end_iter_segment_byte_index;
+ else
+ return char_offset == tree->end_iter_segment_char_offset;
+}
+
GtkTextLine*
-gtk_text_line_next (GtkTextLine *line)
+_gtk_text_line_next (GtkTextLine *line)
{
GtkTextBTreeNode *node;
}
GtkTextLine*
-gtk_text_line_previous (GtkTextLine *line)
+_gtk_text_line_next_excluding_last (GtkTextLine *line)
+{
+ GtkTextLine *next;
+
+ next = _gtk_text_line_next (line);
+
+ /* If we were on the end iter line, we can't go to
+ * the last line
+ */
+ if (next && next->next == NULL && /* these checks are optimization only */
+ _gtk_text_line_next (next) == NULL)
+ return NULL;
+
+ return next;
+}
+
+GtkTextLine*
+_gtk_text_line_previous (GtkTextLine *line)
{
GtkTextBTreeNode *node;
GtkTextBTreeNode *node2;
return NULL;
}
+
+GtkTextLineData*
+_gtk_text_line_data_new (GtkTextLayout *layout,
+ GtkTextLine *line)
+{
+ GtkTextLineData *line_data;
+
+ line_data = g_new (GtkTextLineData, 1);
+
+ line_data->view_id = layout;
+ line_data->next = NULL;
+ line_data->width = 0;
+ line_data->height = 0;
+ line_data->valid = FALSE;
+
+ return line_data;
+}
+
void
-gtk_text_line_add_data (GtkTextLine *line,
- GtkTextLineData *data)
+_gtk_text_line_add_data (GtkTextLine *line,
+ GtkTextLineData *data)
{
g_return_if_fail (line != NULL);
g_return_if_fail (data != NULL);
}
gpointer
-gtk_text_line_remove_data (GtkTextLine *line,
+_gtk_text_line_remove_data (GtkTextLine *line,
gpointer view_id)
{
GtkTextLineData *prev;
}
gpointer
-gtk_text_line_get_data (GtkTextLine *line,
- gpointer view_id)
+_gtk_text_line_get_data (GtkTextLine *line,
+ gpointer view_id)
{
GtkTextLineData *iter;
}
void
-gtk_text_line_invalidate_wrap (GtkTextLine *line,
- GtkTextLineData *ld)
+_gtk_text_line_invalidate_wrap (GtkTextLine *line,
+ GtkTextLineData *ld)
{
/* For now this is totally unoptimized. FIXME?
is less than the max width for the parent node,
and the case where the height is unchanged when we re-wrap.
*/
-
+
g_return_if_fail (ld != NULL);
-
+
ld->valid = FALSE;
gtk_text_btree_node_invalidate_upward (line->parent, ld->view_id);
}
gint
-gtk_text_line_char_count (GtkTextLine *line)
+_gtk_text_line_char_count (GtkTextLine *line)
{
GtkTextLineSegment *seg;
gint size;
}
gint
-gtk_text_line_byte_count (GtkTextLine *line)
+_gtk_text_line_byte_count (GtkTextLine *line)
{
GtkTextLineSegment *seg;
gint size;
}
gint
-gtk_text_line_char_index (GtkTextLine *target_line)
+_gtk_text_line_char_index (GtkTextLine *target_line)
{
GSList *node_stack = NULL;
GtkTextBTreeNode *iter;
{
g_assert (line != NULL);
- num_chars += gtk_text_line_char_count (line);
+ num_chars += _gtk_text_line_char_count (line);
line = line->next;
}
}
GtkTextLineSegment*
-gtk_text_line_byte_to_segment (GtkTextLine *line,
+_gtk_text_line_byte_to_segment (GtkTextLine *line,
gint byte_offset,
gint *seg_offset)
{
}
GtkTextLineSegment*
-gtk_text_line_char_to_segment (GtkTextLine *line,
+_gtk_text_line_char_to_segment (GtkTextLine *line,
gint char_offset,
gint *seg_offset)
{
}
GtkTextLineSegment*
-gtk_text_line_byte_to_any_segment (GtkTextLine *line,
+_gtk_text_line_byte_to_any_segment (GtkTextLine *line,
gint byte_offset,
gint *seg_offset)
{
}
GtkTextLineSegment*
-gtk_text_line_char_to_any_segment (GtkTextLine *line,
+_gtk_text_line_char_to_any_segment (GtkTextLine *line,
gint char_offset,
gint *seg_offset)
{
}
gint
-gtk_text_line_byte_to_char (GtkTextLine *line,
+_gtk_text_line_byte_to_char (GtkTextLine *line,
gint byte_offset)
{
gint char_offset;
}
gint
-gtk_text_line_char_to_byte (GtkTextLine *line,
+_gtk_text_line_char_to_byte (GtkTextLine *line,
gint char_offset)
{
g_warning ("FIXME not implemented");
/* FIXME sync with char_locate (or figure out a clean
way to merge the two functions) */
-void
-gtk_text_line_byte_locate (GtkTextLine *line,
- gint byte_offset,
- GtkTextLineSegment **segment,
- GtkTextLineSegment **any_segment,
- gint *seg_byte_offset,
- gint *line_byte_offset)
+gboolean
+_gtk_text_line_byte_locate (GtkTextLine *line,
+ gint byte_offset,
+ GtkTextLineSegment **segment,
+ GtkTextLineSegment **any_segment,
+ gint *seg_byte_offset,
+ gint *line_byte_offset)
{
GtkTextLineSegment *seg;
GtkTextLineSegment *after_prev_indexable;
gint offset;
gint bytes_in_line;
- g_return_if_fail (line != NULL);
-
- if (byte_offset < 0)
- {
- /* -1 means end of line; we here assume no line is
- longer than 1 bazillion bytes, of course we assumed
- that anyway since we'd wrap around... */
-
- byte_offset = G_MAXINT;
- }
+ g_return_val_if_fail (line != NULL, FALSE);
+ g_return_val_if_fail (byte_offset >= 0, FALSE);
*segment = NULL;
*any_segment = NULL;
if (seg == NULL)
{
/* We went off the end of the line */
- *segment = last_indexable;
- *any_segment = after_prev_indexable;
- /* subtracting 1 is OK, we know it's a newline at the end. */
- offset = (*segment)->byte_count - 1;
- bytes_in_line -= (*segment)->byte_count;
+ if (offset != 0)
+ g_warning ("%s: byte index off the end of the line", G_STRLOC);
+
+ return FALSE;
}
else
{
g_assert (*seg_byte_offset < (*segment)->byte_count);
*line_byte_offset = bytes_in_line + *seg_byte_offset;
+
+ return TRUE;
}
/* FIXME sync with byte_locate (or figure out a clean
way to merge the two functions) */
-void
-gtk_text_line_char_locate (GtkTextLine *line,
- gint char_offset,
- GtkTextLineSegment **segment,
- GtkTextLineSegment **any_segment,
- gint *seg_char_offset,
- gint *line_char_offset)
+gboolean
+_gtk_text_line_char_locate (GtkTextLine *line,
+ gint char_offset,
+ GtkTextLineSegment **segment,
+ GtkTextLineSegment **any_segment,
+ gint *seg_char_offset,
+ gint *line_char_offset)
{
GtkTextLineSegment *seg;
GtkTextLineSegment *after_prev_indexable;
gint offset;
gint chars_in_line;
- g_return_if_fail (line != NULL);
-
- if (char_offset < 0)
- {
- /* -1 means end of line; we here assume no line is
- longer than 1 bazillion chars, of course we assumed
- that anyway since we'd wrap around... */
-
- char_offset = G_MAXINT;
- }
-
+ g_return_val_if_fail (line != NULL, FALSE);
+ g_return_val_if_fail (char_offset >= 0, FALSE);
+
*segment = NULL;
*any_segment = NULL;
chars_in_line = 0;
if (seg == NULL)
{
- /* We went off the end of the line */
- *segment = last_indexable;
- *any_segment = after_prev_indexable;
- /* subtracting 1 is OK, we know it's a newline at the end. */
- offset = (*segment)->char_count - 1;
- chars_in_line -= (*segment)->char_count;
+ /* end of the line */
+ if (offset != 0)
+ g_warning ("%s: char offset off the end of the line", G_STRLOC);
+
+ return FALSE;
}
else
{
g_assert (*seg_char_offset < (*segment)->char_count);
*line_char_offset = chars_in_line + *seg_char_offset;
+
+ return TRUE;
}
void
-gtk_text_line_byte_to_char_offsets (GtkTextLine *line,
+_gtk_text_line_byte_to_char_offsets (GtkTextLine *line,
gint byte_offset,
gint *line_char_offset,
gint *seg_char_offset)
}
void
-gtk_text_line_char_to_byte_offsets (GtkTextLine *line,
+_gtk_text_line_char_to_byte_offsets (GtkTextLine *line,
gint char_offset,
gint *line_byte_offset,
gint *seg_byte_offset)
/* remember that tag == NULL means "any tag" */
GtkTextLine*
-gtk_text_line_next_could_contain_tag (GtkTextLine *line,
- GtkTextBTree *tree,
- GtkTextTag *tag)
+_gtk_text_line_next_could_contain_tag (GtkTextLine *line,
+ GtkTextBTree *tree,
+ GtkTextTag *tag)
{
GtkTextBTreeNode *node;
GtkTextTagInfo *info;
g_return_val_if_fail (line != NULL, NULL);
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
if (tag == NULL)
{
/* Right now we can only offer linear-search if the user wants
* to know about any tag toggle at all.
*/
- return gtk_text_line_next (line);
+ return _gtk_text_line_next_excluding_last (line);
}
/* Our tag summaries only have node precision, not line
- precision. This means that if any line under a node could contain a
- tag, then any of the others could also contain a tag.
-
- In the future we could have some mechanism to keep track of how
- many toggles we've found under a node so far, since we have a
- count of toggles under the node. But for now I'm going with KISS.
- */
+ * precision. This means that if any line under a node could contain a
+ * tag, then any of the others could also contain a tag.
+ *
+ * In the future we could have some mechanism to keep track of how
+ * many toggles we've found under a node so far, since we have a
+ * count of toggles under the node. But for now I'm going with KISS.
+ */
/* return same-node line, if any. */
if (line->next)
}
GtkTextLine*
-gtk_text_line_previous_could_contain_tag (GtkTextLine *line,
+_gtk_text_line_previous_could_contain_tag (GtkTextLine *line,
GtkTextBTree *tree,
GtkTextTag *tag)
{
g_return_val_if_fail (line != NULL, NULL);
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
if (tag == NULL)
{
/* Right now we can only offer linear-search if the user wants
* to know about any tag toggle at all.
*/
- return gtk_text_line_previous (line);
+ return _gtk_text_line_previous (line);
}
/* Return same-node line, if any. */
line_ancestor = line->parent;
line_ancestor_parent = line->parent->parent;
- node = line_ancestor_parent->children.node;
- while (node != line_ancestor &&
- line_ancestor != info->tag_root)
+ while (line_ancestor != info->tag_root)
{
GSList *child_nodes = NULL;
GSList *tmp;
/* Create reverse-order list of nodes before
* line_ancestor
*/
- while (node != line_ancestor
- && node != NULL)
+ if (line_ancestor_parent != NULL)
+ node = line_ancestor_parent->children.node;
+ else
+ node = line_ancestor;
+
+ while (node != line_ancestor && node != NULL)
{
child_nodes = g_slist_prepend (child_nodes, node);
/* Didn't find anything on this level; go up one level. */
line_ancestor = line_ancestor_parent;
line_ancestor_parent = line_ancestor->parent;
-
- node = line_ancestor_parent->children.node;
}
/* No dice. */
static GtkTextLine*
get_last_line (GtkTextBTree *tree)
{
- if (tree->end_iter_line_stamp != tree->chars_changed_stamp)
+ if (tree->last_line_stamp != tree->chars_changed_stamp)
{
gint n_lines;
GtkTextLine *line;
gint real_line;
- n_lines = gtk_text_btree_line_count (tree);
+ n_lines = _gtk_text_btree_line_count (tree);
g_assert (n_lines >= 1); /* num_lines doesn't return bogus last line. */
- line = gtk_text_btree_get_line (tree, n_lines, &real_line);
+ line = _gtk_text_btree_get_line (tree, n_lines, &real_line);
- tree->end_iter_line_stamp = tree->chars_changed_stamp;
- tree->end_iter_line = line;
+ tree->last_line_stamp = tree->chars_changed_stamp;
+ tree->last_line = line;
}
- return tree->end_iter_line;
+ return tree->last_line;
}
/*
GtkTextLine *line;
line = g_new0(GtkTextLine, 1);
+ line->dir_strong = PANGO_DIRECTION_NEUTRAL;
+ line->dir_propagated_forward = PANGO_DIRECTION_NEUTRAL;
+ line->dir_propagated_back = PANGO_DIRECTION_NEUTRAL;
return line;
}
node_data_new (gpointer view_id)
{
NodeData *nd;
-
+
nd = g_new (NodeData, 1);
nd->view_id = view_id;
static void
node_data_destroy (NodeData *nd)
{
-
g_free (nd);
}
/**
- * gtk_text_btree_is_valid:
+ * _gtk_text_btree_is_valid:
* @tree: a #GtkTextBTree
* @view_id: ID for the view
*
* Return value: %TRUE if the entire #GtkTextBTree is valid
**/
gboolean
-gtk_text_btree_is_valid (GtkTextBTree *tree,
+_gtk_text_btree_is_valid (GtkTextBTree *tree,
gpointer view_id)
{
NodeData *nd;
/* Iterate over leading valid lines */
while (line != NULL)
{
- ld = gtk_text_line_get_data (line, view_id);
+ ld = _gtk_text_line_get_data (line, view_id);
if (!ld || !ld->valid)
break;
/* Iterate over invalid lines */
while (line != NULL)
{
- ld = gtk_text_line_get_data (line, view_id);
+ ld = _gtk_text_line_get_data (line, view_id);
if (ld && ld->valid)
break;
/* Iterate over the remaining lines */
while (line != NULL)
{
- ld = gtk_text_line_get_data (line, view_id);
+ ld = _gtk_text_line_get_data (line, view_id);
state->in_validation = FALSE;
if (!ld || !ld->valid)
}
/**
- * gtk_text_btree_validate:
+ * _gtk_text_btree_validate:
* @tree: a #GtkTextBTree
* @view_id: view id
* @max_pixels: the maximum number of pixels to validate. (No more
* entire tree was already valid.
**/
gboolean
-gtk_text_btree_validate (GtkTextBTree *tree,
+_gtk_text_btree_validate (GtkTextBTree *tree,
gpointer view_id,
gint max_pixels,
gint *y,
view = gtk_text_btree_get_view (tree, view_id);
g_return_val_if_fail (view != NULL, FALSE);
- if (!gtk_text_btree_is_valid (tree, view_id))
+ if (!_gtk_text_btree_is_valid (tree, view_id))
{
ValidateState state;
*new_height = state.new_height;
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
return TRUE;
}
while (line != NULL)
{
- GtkTextLineData *ld = gtk_text_line_get_data (line, view_id);
+ GtkTextLineData *ld = _gtk_text_line_get_data (line, view_id);
if (!ld || !ld->valid)
valid = FALSE;
/**
- * gtk_text_btree_validate_line:
+ * _gtk_text_btree_validate_line:
* @tree: a #GtkTextBTree
* @line: line to validate
* @view_id: view ID for the view to validate
* results up through the entire tree.
**/
void
-gtk_text_btree_validate_line (GtkTextBTree *tree,
- GtkTextLine *line,
- gpointer view_id)
+_gtk_text_btree_validate_line (GtkTextBTree *tree,
+ GtkTextLine *line,
+ gpointer view_id)
{
GtkTextLineData *ld;
- GtkTextLine *last_line;
BTreeView *view;
g_return_if_fail (tree != NULL);
view = gtk_text_btree_get_view (tree, view_id);
g_return_if_fail (view != NULL);
-
- ld = gtk_text_line_get_data (line, view_id);
+
+ ld = _gtk_text_line_get_data (line, view_id);
if (!ld || !ld->valid)
{
ld = gtk_text_layout_wrap (view->layout, line, ld);
- last_line = get_last_line (tree);
-
+
gtk_text_btree_node_check_valid_upward (line->parent, view_id);
}
}
{
GtkTextLineData *ld;
- ld = gtk_text_line_remove_data (line, view_id);
+ ld = _gtk_text_line_remove_data (line, view_id);
if (ld)
gtk_text_layout_free_line_data (view->layout, line, ld);
seg = line->segments;
line->segments = seg->next;
- if (GTK_IS_TEXT_MARK_SEGMENT (seg))
- {
- /* Set the mark as deleted */
- seg->body.mark.tree = NULL;
- seg->body.mark.line = NULL;
- }
-
- (*seg->type->deleteFunc) (seg, line, 1);
+ (*seg->type->deleteFunc) (seg, line, TRUE);
}
gtk_text_line_destroy (tree, line);
}
}
}
+ gtk_text_btree_node_free_empty (tree, node);
+}
+
+static void
+gtk_text_btree_node_free_empty (GtkTextBTree *tree,
+ GtkTextBTreeNode *node)
+{
+ g_return_if_fail ((node->level > 0 && node->children.node == NULL) ||
+ (node->level == 0 && node->children.line == NULL));
+
summary_list_destroy (node->summary);
node_data_list_destroy (node->node_data);
g_free (node);
nd = nd->next;
}
- if (nd == NULL) {
- nd = node_data_new (view_id);
-
- if (node->node_data)
- nd->next = node->node_data;
-
- node->node_data = nd;
- }
+ if (nd == NULL)
+ {
+ nd = node_data_new (view_id);
+
+ if (node->node_data)
+ nd->next = node->node_data;
+
+ node->node_data = nd;
+ }
return nd;
}
GtkTextIter *start,
GtkTextIter *end)
{
- gtk_text_btree_get_iter_at_line_char (tree, start, 0, 0);
- gtk_text_btree_get_last_iter (tree, end);
+ _gtk_text_btree_get_iter_at_line_char (tree, start, 0, 0);
+ _gtk_text_btree_get_end_iter (tree, end);
}
static void
GtkTextIter start;
GtkTextIter end;
- if (gtk_text_btree_get_iter_at_first_toggle (tree, &start, tag))
+ if (_gtk_text_btree_get_iter_at_first_toggle (tree, &start, tag))
{
/* Must be a last toggle if there was a first one. */
- gtk_text_btree_get_iter_at_last_toggle (tree, &end, tag);
- gtk_text_btree_invalidate_region (tree,
+ _gtk_text_btree_get_iter_at_last_toggle (tree, &end, tag);
+ DV (g_print ("invalidating due to tag change (%s)\n", G_STRLOC));
+ _gtk_text_btree_invalidate_region (tree,
&start, &end);
}
{
gint width, height;
- gtk_text_btree_get_view_size (tree, view->view_id, &width, &height);
+ _gtk_text_btree_get_view_size (tree, view->view_id, &width, &height);
gtk_text_layout_changed (view->layout, 0, height, height);
view = view->next;
}
}
-static void
-tag_removed_cb (GtkTextTagTable *table,
- GtkTextTag *tag,
- GtkTextBTree *tree)
+void
+_gtk_text_btree_notify_will_remove_tag (GtkTextBTree *tree,
+ GtkTextTag *tag)
{
/* Remove the tag from the tree */
get_tree_bounds (tree, &start, &end);
- gtk_text_btree_tag (&start, &end, tag, FALSE);
+ _gtk_text_btree_tag (&start, &end, tag, FALSE);
gtk_text_btree_remove_tag_info (tree, tag);
}
{
tree->root_node = node->children.node;
tree->root_node->parent = NULL;
- summary_list_destroy (node->summary);
- g_free (node);
+
+ node->children.node = NULL;
+ gtk_text_btree_node_free_empty (tree, node);
}
return;
}
recompute_node_counts (tree, node);
node->next = other->next;
node->parent->num_children--;
- summary_list_destroy (other->summary);
- g_free (other);
+
+ other->children.node = NULL;
+ other->children.line = NULL;
+ gtk_text_btree_node_free_empty (tree, other);
continue;
}
}
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
}
static GtkTextTagInfo*
info = g_new (GtkTextTagInfo, 1);
info->tag = tag;
- gtk_object_ref (GTK_OBJECT (tag));
+ g_object_ref (tag);
info->tag_root = NULL;
info->toggle_count = 0;
tree->tag_infos = g_slist_prepend (tree->tag_infos, info);
+
+#if 0
+ g_print ("Created tag info %p for tag %s(%p)\n",
+ info, info->tag->name ? info->tag->name : "anon",
+ info->tag);
+#endif
}
return info;
info = list->data;
if (info->tag == tag)
{
+#if 0
+ g_print ("Removing tag info %p for tag %s(%p)\n",
+ info, info->tag->name ? info->tag->name : "anon",
+ info->tag);
+#endif
+
if (prev != NULL)
{
prev->next = list->next;
list->next = NULL;
g_slist_free (list);
- gtk_object_unref (GTK_OBJECT (info->tag));
+ g_object_unref (info->tag);
g_free (info);
return;
}
+ prev = list;
list = g_slist_next (list);
}
-
- g_assert_not_reached ();
- return;
}
static void
gtk_text_btree_node_check_valid (node, view->view_id);
view = view->next;
}
-
+
/*
* Scan through the GtkTextBTreeNode's tag records again and delete any Summary
* records that still have a zero count, or that have all the toggles.
*
* inc_count --
*
- * This is a utility procedure used by gtk_text_btree_get_tags. It
+ * This is a utility procedure used by _gtk_text_btree_get_tags. It
* increments the count for a particular tag, adding a new
* entry for that tag if there wasn't one previously.
*
GtkTextLine *line;
GtkTextBTree *tree;
- line = gtk_text_iter_get_text_line (iter);
- tree = gtk_text_iter_get_btree (iter);
+ line = _gtk_text_iter_get_text_line (iter);
+ tree = _gtk_text_iter_get_btree (iter);
prev = gtk_text_line_segment_split (iter);
if (prev == NULL)
segments_changed (tree);
if (gtk_debug_flags & GTK_DEBUG_TEXT)
- gtk_text_btree_check (tree);
+ _gtk_text_btree_check (tree);
}
static void
*/
static void
-gtk_text_btree_node_view_check_consistency (GtkTextBTreeNode *node,
+gtk_text_btree_node_view_check_consistency (GtkTextBTree *tree,
+ GtkTextBTreeNode *node,
NodeData *nd)
{
gint width;
gint height;
gboolean valid;
+ BTreeView *view;
+
+ view = tree->views;
+ while (view != NULL)
+ {
+ if (view->view_id == nd->view_id)
+ break;
+
+ view = view->next;
+ }
+
+ if (view == NULL)
+ g_error ("Node has data for a view %p no longer attached to the tree",
+ nd->view_id);
+
gtk_text_btree_node_compute_view_aggregates (node, nd->view_id,
&width, &height, &valid);
+
+ /* valid aggregate not checked the same as width/height, because on
+ * btree rebalance we can have invalid nodes where all lines below
+ * them are actually valid, due to moving lines around between
+ * nodes.
+ *
+ * The guarantee is that if there are invalid lines the node is
+ * invalid - we don't guarantee that if the node is invalid there
+ * are invalid lines.
+ */
+
if (nd->width != width ||
nd->height != height ||
- !nd->valid != !valid)
+ (nd->valid && !valid))
{
g_error ("Node aggregates for view %p are invalid:\n"
"Are (%d,%d,%s), should be (%d,%d,%s)",
}
static void
-gtk_text_btree_node_check_consistency (GtkTextBTreeNode *node)
+gtk_text_btree_node_check_consistency (GtkTextBTree *tree,
+ GtkTextBTreeNode *node)
{
GtkTextBTreeNode *childnode;
Summary *summary, *summary2;
nd = node->node_data;
while (nd != NULL)
{
- gtk_text_btree_node_view_check_consistency (node, nd);
+ gtk_text_btree_node_view_check_consistency (tree, node, nd);
nd = nd->next;
}
g_error ("gtk_text_btree_node_check_consistency: level mismatch (%d %d)",
node->level, childnode->level);
}
- gtk_text_btree_node_check_consistency (childnode);
+ gtk_text_btree_node_check_consistency (tree, childnode);
for (summary = childnode->summary; summary != NULL;
summary = summary->next)
{
}
void
-gtk_text_btree_check (GtkTextBTree *tree)
+_gtk_text_btree_check (GtkTextBTree *tree)
{
Summary *summary;
GtkTextBTreeNode *node;
GtkTextLine *line;
GtkTextLineSegment *seg;
GtkTextTag *tag;
- GSList *taglist = NULL;
+ GSList *all_tags, *taglist = NULL;
int count;
GtkTextTagInfo *info;
/*
* Make sure that the tag toggle counts and the tag root pointers are OK.
*/
- for (taglist = list_of_tags (tree->table);
- taglist != NULL ; taglist = taglist->next)
+ all_tags = list_of_tags (tree->table);
+ for (taglist = all_tags; taglist != NULL ; taglist = taglist->next)
{
tag = taglist->data;
info = gtk_text_btree_get_existing_tag_info (tree, tag);
{
if (info->toggle_count != 0)
{
- g_error ("gtk_text_btree_check found \"%s\" with toggles (%d) but no root",
+ g_error ("_gtk_text_btree_check found \"%s\" with toggles (%d) but no root",
tag->name, info->toggle_count);
}
continue; /* no ranges for the tag */
}
else if (info->toggle_count == 0)
{
- g_error ("gtk_text_btree_check found root for \"%s\" with no toggles",
+ g_error ("_gtk_text_btree_check found root for \"%s\" with no toggles",
tag->name);
}
else if (info->toggle_count & 1)
{
- g_error ("gtk_text_btree_check found odd toggle count for \"%s\" (%d)",
+ g_error ("_gtk_text_btree_check found odd toggle count for \"%s\" (%d)",
tag->name, info->toggle_count);
}
for (summary = node->summary; summary != NULL;
{
if (summary->info->tag == tag)
{
- g_error ("gtk_text_btree_check found root GtkTextBTreeNode with summary info");
+ g_error ("_gtk_text_btree_check found root GtkTextBTreeNode with summary info");
}
}
count = 0;
}
if (count != info->toggle_count)
{
- g_error ("gtk_text_btree_check toggle_count (%d) wrong for \"%s\" should be (%d)",
+ g_error ("_gtk_text_btree_check toggle_count (%d) wrong for \"%s\" should be (%d)",
info->toggle_count, tag->name, count);
}
}
}
- g_slist_free (taglist);
- taglist = NULL;
+ g_slist_free (all_tags);
/*
* Call a recursive procedure to do the main body of checks.
*/
node = tree->root_node;
- gtk_text_btree_node_check_consistency (tree->root_node);
+ gtk_text_btree_node_check_consistency (tree, tree->root_node);
/*
* Make sure that there are at least two lines in the text and
if (node->num_lines < 2)
{
- g_error ("gtk_text_btree_check: less than 2 lines in tree");
+ g_error ("_gtk_text_btree_check: less than 2 lines in tree");
}
if (node->num_chars < 2)
{
- g_error ("gtk_text_btree_check: less than 2 chars in tree");
+ g_error ("_gtk_text_btree_check: less than 2 chars in tree");
}
while (node->level > 0)
{
}
if (seg->type != >k_text_char_type)
{
- g_error ("gtk_text_btree_check: last line has bogus segment type");
+ g_error ("_gtk_text_btree_check: last line has bogus segment type");
}
if (seg->next != NULL)
{
- g_error ("gtk_text_btree_check: last line has too many segments");
+ g_error ("_gtk_text_btree_check: last line has too many segments");
}
if (seg->byte_count != 1)
{
- g_error ("gtk_text_btree_check: last line has wrong # characters: %d",
+ g_error ("_gtk_text_btree_check: last line has wrong # characters: %d",
seg->byte_count);
}
if ((seg->body.chars[0] != '\n') || (seg->body.chars[1] != 0))
{
- g_error ("gtk_text_btree_check: last line had bad value: %s",
+ g_error ("_gtk_text_btree_check: last line had bad value: %s",
seg->body.chars);
}
}
-void gtk_text_btree_spew_line (GtkTextBTree* tree, GtkTextLine* line);
-void gtk_text_btree_spew_segment (GtkTextBTree* tree, GtkTextLineSegment* seg);
-void gtk_text_btree_spew_node (GtkTextBTreeNode *node, int indent);
-void gtk_text_btree_spew_line_short (GtkTextLine *line, int indent);
+void _gtk_text_btree_spew_line (GtkTextBTree* tree, GtkTextLine* line);
+void _gtk_text_btree_spew_segment (GtkTextBTree* tree, GtkTextLineSegment* seg);
+void _gtk_text_btree_spew_node (GtkTextBTreeNode *node, int indent);
+void _gtk_text_btree_spew_line_short (GtkTextLine *line, int indent);
void
-gtk_text_btree_spew (GtkTextBTree *tree)
+_gtk_text_btree_spew (GtkTextBTree *tree)
{
GtkTextLine * line;
int real_line;
printf ("%d lines in tree %p\n",
- gtk_text_btree_line_count (tree), tree);
+ _gtk_text_btree_line_count (tree), tree);
- line = gtk_text_btree_get_line (tree, 0, &real_line);
+ line = _gtk_text_btree_get_line (tree, 0, &real_line);
while (line != NULL)
{
- gtk_text_btree_spew_line (tree, line);
- line = gtk_text_line_next (line);
+ _gtk_text_btree_spew_line (tree, line);
+ line = _gtk_text_line_next (line);
}
printf ("=================== Tag information\n");
printf ("=================== Tree nodes\n");
{
- gtk_text_btree_spew_node (tree->root_node, 0);
+ _gtk_text_btree_spew_node (tree->root_node, 0);
}
}
void
-gtk_text_btree_spew_line_short (GtkTextLine *line, int indent)
+_gtk_text_btree_spew_line_short (GtkTextLine *line, int indent)
{
gchar * spaces;
GtkTextLineSegment *seg;
printf ("%sline %p chars %d bytes %d\n",
spaces, line,
- gtk_text_line_char_count (line),
- gtk_text_line_byte_count (line));
+ _gtk_text_line_char_count (line),
+ _gtk_text_line_byte_count (line));
seg = line->segments;
while (seg != NULL)
}
void
-gtk_text_btree_spew_node (GtkTextBTreeNode *node, int indent)
+_gtk_text_btree_spew_node (GtkTextBTreeNode *node, int indent)
{
gchar * spaces;
GtkTextBTreeNode *iter;
iter = node->children.node;
while (iter != NULL)
{
- gtk_text_btree_spew_node (iter, indent + 2);
+ _gtk_text_btree_spew_node (iter, indent + 2);
iter = iter->next;
}
GtkTextLine *line = node->children.line;
while (line != NULL)
{
- gtk_text_btree_spew_line_short (line, indent + 2);
+ _gtk_text_btree_spew_line_short (line, indent + 2);
line = line->next;
}
}
void
-gtk_text_btree_spew_line (GtkTextBTree* tree, GtkTextLine* line)
+_gtk_text_btree_spew_line (GtkTextBTree* tree, GtkTextLine* line)
{
GtkTextLineSegment * seg;
printf ("%4d| line: %p parent: %p next: %p\n",
- gtk_text_line_get_number (line), line, line->parent, line->next);
+ _gtk_text_line_get_number (line), line, line->parent, line->next);
seg = line->segments;
while (seg != NULL)
{
- gtk_text_btree_spew_segment (tree, seg);
+ _gtk_text_btree_spew_segment (tree, seg);
seg = seg->next;
}
}
void
-gtk_text_btree_spew_segment (GtkTextBTree* tree, GtkTextLineSegment * seg)
+_gtk_text_btree_spew_segment (GtkTextBTree* tree, GtkTextLineSegment * seg)
{
printf (" segment: %p type: %s bytes: %d chars: %d\n",
seg, seg->type->name, seg->byte_count, seg->char_count);
}
}
-
+#define __GTK_TEXT_BTREE_C__
+#include "gtkaliasdef.c"
projects / ~andy / gtk / blobdiff