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Restore two behaviors removed by r14283, and add a third.

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1) Invalidate outstanding iterators when a row is inserted or deleted.
   2) Emit row_changed for ancestors of inserted or deleted row.
   New) Emit row_changed for ancestors of a changed account, too.



git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@14285 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Chris Shoemaker 2006-06-01 01:44:53 +00:00
parent 2fea2c7978
commit 9f74b5a44c
1 changed files with 32 additions and 8 deletions
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40
src/gnome-utils/gnc-tree-model-account.c
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@ -1426,6 +1426,33 @@ gnc_tree_model_account_get_path_from_account (GncTreeModelAccount *model,
/* Account Tree Model - Engine Event Handling Functions */
/************************************************************/
static void
increment_stamp(GncTreeModelAccount *model)
{
do model->stamp++;
while (!model->stamp);
}
static void
propagate_change(GtkTreeModel *model, GtkTreePath *path, gint toggle_if_num)
{
GtkTreeIter iter;
/* Immediate parent */
if (gtk_tree_path_up(path) &&
gtk_tree_model_get_iter(model, &iter, path)) {
gtk_tree_model_row_changed(model, path, &iter);
if (gtk_tree_model_iter_n_children(model, &iter) == toggle_if_num)
gtk_tree_model_row_has_child_toggled(model, path, &iter);
}
/* All other ancestors */
while (gtk_tree_path_up(path) && gtk_tree_path_get_depth(path) > 0 &&
gtk_tree_model_get_iter(model, &iter, path)) {
gtk_tree_model_row_changed(model, path, &iter);
}
}
/** This function is the handler for all event messages from the
* engine. Its purpose is to update the account tree model any time
* an account is added to the engine or deleted from the engine.
@ -1493,15 +1520,13 @@ gnc_tree_model_account_event_handler (QofEntity *entity,
DEBUG("can't generate path");
break;
}
increment_stamp(model);
if (!gnc_tree_model_account_get_iter(GTK_TREE_MODEL(model), &iter, path)) {
DEBUG("can't generate iter");
break;
}
gtk_tree_model_row_inserted (GTK_TREE_MODEL(model), path, &iter);
if (gtk_tree_path_up (path) &&
gtk_tree_model_get_iter (GTK_TREE_MODEL(model), &iter, path) &&
gtk_tree_model_iter_n_children (GTK_TREE_MODEL(model), &iter) == 1)
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL(model), path, &iter);
propagate_change(GTK_TREE_MODEL(model), path, 1);
break;
case QOF_EVENT_REMOVE:
@ -1515,12 +1540,10 @@ gnc_tree_model_account_event_handler (QofEntity *entity,
DEBUG("can't generate path");
break;
}
increment_stamp(model);
gtk_tree_path_append_index (path, ed->idx);
gtk_tree_model_row_deleted (GTK_TREE_MODEL(model), path);
if (gtk_tree_path_up (path) &&
gtk_tree_model_get_iter (GTK_TREE_MODEL(model), &iter, path) &&
gtk_tree_model_iter_n_children (GTK_TREE_MODEL(model), &iter) == 0)
gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL(model), path, &iter);
propagate_change(GTK_TREE_MODEL(model), path, 0);
break;
case QOF_EVENT_MODIFY:
@ -1535,6 +1558,7 @@ gnc_tree_model_account_event_handler (QofEntity *entity,
break;
}
gtk_tree_model_row_changed(GTK_TREE_MODEL(model), path, &iter);
propagate_change(GTK_TREE_MODEL(model), path, -1);
break;
default: