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a11y: Don't emit children-changed when nothing changed

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When we have 0 columns, no children ever get added or removed.
This commit is contained in:
Benjamin Otte 2011-12-16 12:57:06 +01:00
parent d78971b31d
commit 113aff673f
1 changed files with 20 additions and 14 deletions
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34
gtk/a11y/gtktreeviewaccessible.c
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@ -1881,10 +1881,13 @@ _gtk_tree_view_accessible_add (GtkTreeView *treeview,
g_signal_emit_by_name (accessible, "row-inserted", row, n_rows);
n_cols = get_n_columns (treeview);
for (i = (row + 1) * n_cols; i < (row + n_rows + 1) * n_cols; i++)
if (n_cols)
{
/* Pass NULL as the child object, i.e. 4th argument */
g_signal_emit_by_name (accessible, "children-changed::add", i, NULL, NULL);
for (i = (row + 1) * n_cols; i < (row + n_rows + 1) * n_cols; i++)
{
/* Pass NULL as the child object, i.e. 4th argument */
g_signal_emit_by_name (accessible, "children-changed::add", i, NULL, NULL);
}
}
}
@ -1920,19 +1923,22 @@ _gtk_tree_view_accessible_remove (GtkTreeView *treeview,
g_signal_emit_by_name (accessible, "row-deleted", row, n_rows);
n_cols = get_n_columns (treeview);
for (i = (n_rows + row + 1) * n_cols - 1; i >= (row + 1) * n_cols; i--)
if (n_cols)
{
/* Pass NULL as the child object, i.e. 4th argument */
g_signal_emit_by_name (accessible, "children-changed::remove", i, NULL, NULL);
}
for (i = (n_rows + row + 1) * n_cols - 1; i >= (row + 1) * n_cols; i--)
{
/* Pass NULL as the child object, i.e. 4th argument */
g_signal_emit_by_name (accessible, "children-changed::remove", i, NULL, NULL);
}
g_hash_table_iter_init (&iter, accessible->cell_infos);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&cell_info))
{
if (node == cell_info->node ||
tree == cell_info->tree ||
(tree && _gtk_rbtree_contains (tree, cell_info->tree)))
g_hash_table_iter_remove (&iter);
g_hash_table_iter_init (&iter, accessible->cell_infos);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&cell_info))
{
if (node == cell_info->node ||
tree == cell_info->tree ||
(tree && _gtk_rbtree_contains (tree, cell_info->tree)))
g_hash_table_iter_remove (&iter);
}
}
}