static void redisplay_region (GtkTextBTree *tree,
const GtkTextIter *start,
- const GtkTextIter *end);
+ const GtkTextIter *end,
+ gboolean cursors_only);
/* Inline thingies */
*/
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);
+ _gtk_text_btree_invalidate_region (tree, end, &end_propagate, FALSE);
}
/* Sweep backward */
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);
+ _gtk_text_btree_invalidate_region (tree, &start_propagate, start, FALSE);
}
}
}
/* Broadcast the need for redisplay before we break the iterators */
DV (g_print ("invalidating due to deleting some text (%s)\n", G_STRLOC));
- _gtk_text_btree_invalidate_region (tree, start, end);
+ _gtk_text_btree_invalidate_region (tree, start, end, FALSE);
/* Save the byte offset so we can reset the iterators */
start_byte_offset = gtk_text_iter_get_line_index (start);
gtk_text_iter_forward_chars (&end, char_count_delta);
DV (g_print ("invalidating due to inserting some text (%s)\n", G_STRLOC));
- _gtk_text_btree_invalidate_region (tree,
- &start, &end);
+ _gtk_text_btree_invalidate_region (tree, &start, &end, FALSE);
/* Convenience for the user */
gtk_text_iter_forward_char (iter); /* skip forward past the segment */
DV (g_print ("invalidating due to inserting pixbuf/widget (%s)\n", G_STRLOC));
- _gtk_text_btree_invalidate_region (tree, &start, iter);
+ _gtk_text_btree_invalidate_region (tree, &start, iter, FALSE);
}
void
void
_gtk_text_btree_invalidate_region (GtkTextBTree *tree,
const GtkTextIter *start,
- const GtkTextIter *end)
+ const GtkTextIter *end,
+ gboolean cursors_only)
{
BTreeView *view;
while (view != NULL)
{
- gtk_text_layout_invalidate (view->layout, start, end);
+ if (cursors_only)
+ gtk_text_layout_invalidate_cursors (view->layout, start, end);
+ else
+ gtk_text_layout_invalidate (view->layout, start, end);
view = view->next;
}
if (_gtk_text_tag_affects_size (tag))
{
DV (g_print ("invalidating due to size-affecting tag (%s)\n", G_STRLOC));
- _gtk_text_btree_invalidate_region (tree, start, end);
+ _gtk_text_btree_invalidate_region (tree, start, end, FALSE);
}
else if (_gtk_text_tag_affects_nonsize_appearance (tag))
{
/* We only need to queue a redraw, not a relayout */
- redisplay_region (tree, start, end);
+ redisplay_region (tree, start, end, FALSE);
}
/* We don't need to do anything if the tag doesn't affect display */
static void
redisplay_region (GtkTextBTree *tree,
const GtkTextIter *start,
- const GtkTextIter *end)
+ const GtkTextIter *end,
+ gboolean cursors_only)
{
BTreeView *view;
GtkTextLine *start_line, *end_line;
if (ld)
end_y += ld->height;
- gtk_text_layout_changed (view->layout, start_y,
- end_y - start_y,
- end_y - start_y);
+ if (cursors_only)
+ gtk_text_layout_cursors_changed (view->layout, start_y,
+ end_y - start_y,
+ end_y - start_y);
+ else
+ gtk_text_layout_changed (view->layout, start_y,
+ end_y - start_y,
+ end_y - start_y);
view = view->next;
}
gtk_text_iter_forward_char (&end);
DV (g_print ("invalidating due to moving visible mark (%s)\n", G_STRLOC));
- _gtk_text_btree_invalidate_region (mark->body.mark.tree,
- &iter, &end);
+ _gtk_text_btree_invalidate_region (mark->body.mark.tree, &iter, &end, TRUE);
}
static void
_gtk_text_btree_get_iter_at_mark (tree, &old_pos,
mark->body.mark.obj);
- redisplay_region (tree, &old_pos, where);
+ redisplay_region (tree, &old_pos, where, TRUE);
}
/*
const GtkTextIter *ins,
const GtkTextIter *bound)
{
- GtkTextIter start, end;
+ GtkTextIter old_ins, old_bound;
- if (_gtk_text_btree_get_selection_bounds (tree, &start, &end))
- redisplay_region (tree, &start, &end);
+ _gtk_text_btree_get_iter_at_mark (tree, &old_ins,
+ tree->insert_mark);
+ _gtk_text_btree_get_iter_at_mark (tree, &old_bound,
+ tree->selection_bound_mark);
- /* Move insert AND selection_bound before we redisplay */
- real_set_mark (tree, tree->insert_mark,
- "insert", FALSE, ins, TRUE, FALSE);
- real_set_mark (tree, tree->selection_bound_mark,
- "selection_bound", FALSE, bound, TRUE, FALSE);
+ /* Check if it's no-op since gtk_text_buffer_place_cursor()
+ * also calls this, and this will redraw the cursor line. */
+ if (!gtk_text_iter_equal (&old_ins, ins) ||
+ !gtk_text_iter_equal (&old_bound, bound))
+ {
+ redisplay_region (tree, &old_ins, &old_bound, TRUE);
+
+ /* Move insert AND selection_bound before we redisplay */
+ real_set_mark (tree, tree->insert_mark,
+ "insert", FALSE, ins, TRUE, FALSE);
+ real_set_mark (tree, tree->selection_bound_mark,
+ "selection_bound", FALSE, bound, TRUE, FALSE);
- redisplay_region (tree, ins, bound);
+ redisplay_region (tree, ins, bound, TRUE);
+ }
}
/* Must be a last toggle if there was a first one. */
_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);
+ _gtk_text_btree_invalidate_region (tree, &start, &end, FALSE);
}
}
static void gtk_text_layout_real_invalidate (GtkTextLayout *layout,
const GtkTextIter *start,
const GtkTextIter *end);
+static void gtk_text_layout_real_invalidate_cursors(GtkTextLayout *layout,
+ const GtkTextIter *start,
+ const GtkTextIter *end);
static void gtk_text_layout_invalidate_cache (GtkTextLayout *layout,
- GtkTextLine *line);
-static void gtk_text_layout_invalidate_cursor_line (GtkTextLayout *layout);
+ GtkTextLine *line,
+ gboolean cursors_only);
+static void gtk_text_layout_invalidate_cursor_line (GtkTextLayout *layout,
+ gboolean cursors_only);
static void gtk_text_layout_real_free_line_data (GtkTextLayout *layout,
GtkTextLine *line,
GtkTextLineData *line_data);
klass->wrap = gtk_text_layout_real_wrap;
klass->invalidate = gtk_text_layout_real_invalidate;
+ klass->invalidate_cursors = gtk_text_layout_real_invalidate_cursors;
klass->free_line_data = gtk_text_layout_real_free_line_data;
signals[INVALIDATED] =
if (direction != layout->cursor_direction)
{
layout->cursor_direction = direction;
- gtk_text_layout_invalidate_cursor_line (layout);
+ gtk_text_layout_invalidate_cursor_line (layout, TRUE);
}
}
if (keyboard_dir != layout->keyboard_direction)
{
layout->keyboard_direction = keyboard_dir;
- gtk_text_layout_invalidate_cursor_line (layout);
+ gtk_text_layout_invalidate_cursor_line (layout, TRUE);
}
}
gtk_text_layout_get_line_yrange (layout, &iter, &y, &height);
gtk_text_layout_emit_changed (layout, y, height, height);
- gtk_text_layout_invalidate_cache (layout, _gtk_text_iter_get_text_line (&iter));
+ gtk_text_layout_invalidate_cache (layout, _gtk_text_iter_get_text_line (&iter), TRUE);
}
}
layout->preedit_cursor = 0;
}
- gtk_text_layout_invalidate_cursor_line (layout);
+ gtk_text_layout_invalidate_cursor_line (layout, FALSE);
}
void
g_signal_emit (layout, signals[CHANGED], 0, y, old_height, new_height);
}
-void
-gtk_text_layout_changed (GtkTextLayout *layout,
- gint y,
- gint old_height,
- gint new_height)
+static void
+text_layout_changed (GtkTextLayout *layout,
+ gint y,
+ gint old_height,
+ gint new_height,
+ gboolean cursors_only)
{
/* Check if the range intersects our cached line display,
* and invalidate the cached line if so.
gint cache_height = layout->one_display_cache->height;
if (cache_y + cache_height > y && cache_y < y + old_height)
- gtk_text_layout_invalidate_cache (layout, line);
+ gtk_text_layout_invalidate_cache (layout, line, cursors_only);
}
-
+
gtk_text_layout_emit_changed (layout, y, old_height, new_height);
}
+void
+gtk_text_layout_changed (GtkTextLayout *layout,
+ gint y,
+ gint old_height,
+ gint new_height)
+{
+ text_layout_changed (layout, y, old_height, new_height, FALSE);
+}
+
+void
+gtk_text_layout_cursors_changed (GtkTextLayout *layout,
+ gint y,
+ gint old_height,
+ gint new_height)
+{
+ text_layout_changed (layout, y, old_height, new_height, TRUE);
+}
+
void
gtk_text_layout_free_line_data (GtkTextLayout *layout,
GtkTextLine *line,
(layout, start_index, end_index);
}
+void
+gtk_text_layout_invalidate_cursors (GtkTextLayout *layout,
+ const GtkTextIter *start_index,
+ const GtkTextIter *end_index)
+{
+ (* GTK_TEXT_LAYOUT_GET_CLASS (layout)->invalidate_cursors)
+ (layout, start_index, end_index);
+}
+
GtkTextLineData*
gtk_text_layout_wrap (GtkTextLayout *layout,
GtkTextLine *line,
static void
gtk_text_layout_invalidate_cache (GtkTextLayout *layout,
- GtkTextLine *line)
+ GtkTextLine *line,
+ gboolean cursors_only)
{
if (layout->one_display_cache && line == layout->one_display_cache->line)
{
- GtkTextLineDisplay *tmp_display = layout->one_display_cache;
- layout->one_display_cache = NULL;
- gtk_text_layout_free_line_display (layout, tmp_display);
+ GtkTextLineDisplay *display = layout->one_display_cache;
+
+ if (cursors_only)
+ {
+ g_slist_foreach (display->cursors, (GFunc)g_free, NULL);
+ g_slist_free (display->cursors);
+ display->cursors = NULL;
+ display->cursors_invalid = TRUE;
+ }
+ else
+ {
+ layout->one_display_cache = NULL;
+ gtk_text_layout_free_line_display (layout, display);
+ }
}
}
/* Now invalidate the paragraph containing the cursor
*/
static void
-gtk_text_layout_invalidate_cursor_line (GtkTextLayout *layout)
+gtk_text_layout_invalidate_cursor_line (GtkTextLayout *layout,
+ gboolean cursors_only)
{
GtkTextLayoutPrivate *priv = GTK_TEXT_LAYOUT_GET_PRIVATE (layout);
GtkTextLineData *line_data;
line_data = _gtk_text_line_get_data (priv->cursor_line, layout);
if (line_data)
{
- gtk_text_layout_invalidate_cache (layout, priv->cursor_line);
- _gtk_text_line_invalidate_wrap (priv->cursor_line, line_data);
+ if (cursors_only)
+ gtk_text_layout_invalidate_cache (layout, priv->cursor_line, TRUE);
+ else
+ {
+ gtk_text_layout_invalidate_cache (layout, priv->cursor_line, FALSE);
+ _gtk_text_line_invalidate_wrap (priv->cursor_line, line_data);
+ }
+
gtk_text_layout_invalidated (layout);
}
}
{
GtkTextLineData *line_data = _gtk_text_line_get_data (line, layout);
- gtk_text_layout_invalidate_cache (layout, line);
+ gtk_text_layout_invalidate_cache (layout, line, FALSE);
if (line_data)
_gtk_text_line_invalidate_wrap (line, line_data);
gtk_text_layout_invalidated (layout);
}
+static void
+gtk_text_layout_real_invalidate_cursors (GtkTextLayout *layout,
+ const GtkTextIter *start,
+ const GtkTextIter *end)
+{
+ /* Check if the range intersects our cached line display,
+ * and invalidate the cached line if so.
+ */
+ if (layout->one_display_cache)
+ {
+ GtkTextIter line_start, line_end;
+ GtkTextLine *line = layout->one_display_cache->line;
+
+ _gtk_text_btree_get_iter_at_line (_gtk_text_buffer_get_btree (layout->buffer),
+ &line_start, line, 0);
+ line_end = line_start;
+ if (!gtk_text_iter_ends_line (&line_end))
+ gtk_text_iter_forward_to_line_end (&line_end);
+
+ if (gtk_text_iter_compare (start, end) > 0)
+ {
+ const GtkTextIter *tmp = start;
+ start = end;
+ end = tmp;
+ }
+
+ if (gtk_text_iter_compare (&line_start, end) <= 0 &&
+ gtk_text_iter_compare (start, &line_end) <= 0)
+ {
+ gtk_text_layout_invalidate_cache (layout, line, TRUE);
+ }
+ }
+
+ gtk_text_layout_invalidated (layout);
+}
+
static void
gtk_text_layout_real_free_line_data (GtkTextLayout *layout,
GtkTextLine *line,
GtkTextLineData *line_data)
{
- gtk_text_layout_invalidate_cache (layout, line);
+ gtk_text_layout_invalidate_cache (layout, line, FALSE);
g_free (line_data);
}
pango_attr_iterator_destroy (iter);
}
+/* Iterate over the line and fill in display->cursors.
+ * It's a stripped copy of gtk_text_layout_get_line_display() */
+static void
+update_text_display_cursors (GtkTextLayout *layout,
+ GtkTextLine *line,
+ GtkTextLineDisplay *display)
+{
+ GtkTextLineSegment *seg;
+ GtkTextIter iter;
+ gint layout_byte_offset, buffer_byte_offset;
+ GSList *cursor_byte_offsets = NULL;
+ GSList *cursor_segs = NULL;
+ GSList *tmp_list1, *tmp_list2;
+
+ if (!display->cursors_invalid)
+ return;
+
+ display->cursors_invalid = FALSE;
+
+ _gtk_text_btree_get_iter_at_line (_gtk_text_buffer_get_btree (layout->buffer),
+ &iter, line, 0);
+
+ /* Special-case optimization for completely
+ * invisible lines; makes it faster to deal
+ * with sequences of invisible lines.
+ */
+ if (totally_invisible_line (layout, line, &iter))
+ return;
+
+ /* Iterate over segments */
+ layout_byte_offset = 0; /* position in the layout text (includes preedit, does not include invisible text) */
+ buffer_byte_offset = 0; /* position in the buffer line */
+ seg = _gtk_text_iter_get_any_segment (&iter);
+ while (seg != NULL)
+ {
+ /* Displayable segments */
+ if (seg->type == >k_text_char_type ||
+ seg->type == >k_text_pixbuf_type ||
+ seg->type == >k_text_child_type)
+ {
+ _gtk_text_btree_get_iter_at_line (_gtk_text_buffer_get_btree (layout->buffer),
+ &iter, line,
+ buffer_byte_offset);
+
+ if (!_gtk_text_btree_char_is_invisible (&iter))
+ layout_byte_offset += seg->byte_count;
+
+ buffer_byte_offset += seg->byte_count;
+ }
+
+ /* Marks */
+ else if (seg->type == >k_text_right_mark_type ||
+ seg->type == >k_text_left_mark_type)
+ {
+ gint cursor_offset = 0;
+
+ /* At the insertion point, add the preedit string, if any */
+
+ if (_gtk_text_btree_mark_is_insert (_gtk_text_buffer_get_btree (layout->buffer),
+ seg->body.mark.obj))
+ {
+ display->insert_index = layout_byte_offset;
+
+ if (layout->preedit_len > 0)
+ {
+ layout_byte_offset += layout->preedit_len;
+ /* DO NOT increment the buffer byte offset for preedit */
+ cursor_offset = layout->preedit_cursor - layout->preedit_len;
+ }
+ }
+
+ /* Display visible marks */
+
+ if (seg->body.mark.visible)
+ {
+ cursor_byte_offsets = g_slist_prepend (cursor_byte_offsets,
+ GINT_TO_POINTER (layout_byte_offset + cursor_offset));
+ cursor_segs = g_slist_prepend (cursor_segs, seg);
+ }
+ }
+
+ /* Toggles */
+ else if (seg->type == >k_text_toggle_on_type ||
+ seg->type == >k_text_toggle_off_type)
+ {
+ }
+
+ else
+ g_error ("Unknown segment type: %s", seg->type->name);
+
+ seg = seg->next;
+ }
+
+ tmp_list1 = cursor_byte_offsets;
+ tmp_list2 = cursor_segs;
+ while (tmp_list1)
+ {
+ add_cursor (layout, display, tmp_list2->data,
+ GPOINTER_TO_INT (tmp_list1->data));
+ tmp_list1 = tmp_list1->next;
+ tmp_list2 = tmp_list2->next;
+ }
+ g_slist_free (cursor_byte_offsets);
+ g_slist_free (cursor_segs);
+}
+
GtkTextLineDisplay *
gtk_text_layout_get_line_display (GtkTextLayout *layout,
GtkTextLine *line,
{
if (line == layout->one_display_cache->line &&
(size_only || !layout->one_display_cache->size_only))
- return layout->one_display_cache;
+ {
+ if (!size_only)
+ update_text_display_cursors (layout, line, layout->one_display_cache);
+ return layout->one_display_cache;
+ }
else
{
GtkTextLineDisplay *tmp_display = layout->one_display_cache;
}
}
+ DV (g_print ("creating one line display cache (%s)\n", G_STRLOC));
+
display = g_new0 (GtkTextLineDisplay, 1);
display->size_only = size_only;
projects / gtk4.git / commitdiff