static void
scroll_new_row (ScrollFixture *fixture,
gconstpointer test_data)
{
GtkTreeIter scroll_iter;
GtkTreePath *scroll_path;
GtkTreeModel *model;
GList *renderers;
GtkTreeViewColumn *column;
GtkWidget *editable;
/* The aim of this test is creating a new row at several places,
* and immediately put the cursor on it. TreeView should correctly
* scroll to the row and show the editable widget.
*
* See #81627.
*/
g_test_bug ("81627");
gtk_widget_show_all (fixture->window);
while (gtk_events_pending ())
gtk_main_iteration ();
/* Create the new row and scroll to it */
model = gtk_tree_view_get_model (GTK_TREE_VIEW (fixture->tree_view));
create_new_row (GTK_LIST_STORE (model), GPOINTER_TO_INT (test_data),
&scroll_iter);
/* Set up a signal handler to acquire the editable widget */
column = gtk_tree_view_get_column (GTK_TREE_VIEW (fixture->tree_view), 0);
renderers = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
g_signal_connect (G_OBJECT (renderers->data), "editing-started",
G_CALLBACK (scroll_new_row_editing_started),
&editable);
/* Now set the cursor on the path and start editing */
scroll_path = gtk_tree_model_get_path (model, &scroll_iter);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (fixture->tree_view),
scroll_path,
column,
TRUE);
while (gtk_events_pending ())
gtk_main_iteration ();
/* Test position */
test_position (GTK_TREE_VIEW (fixture->tree_view), scroll_path,
FALSE, 0.0);
test_editable_position (fixture->tree_view, editable, scroll_path);
gtk_tree_path_free (scroll_path);
}
static void
iter_row_changed_cb (GdaDataModelIter *iter, gint row, GdaDataAccessWrapper *model)
{
g_assert (model->priv->rows);
/*g_print ("%s(%d)\n", __FUNCTION__, row);*/
if (gda_data_model_iter_is_valid (iter)) {
model->priv->iter_row = row;
if (model->priv->last_row < row)
model->priv->last_row = row;
if (! (model->priv->model_access_flags & GDA_DATA_MODEL_ACCESS_CURSOR_BACKWARD) ||
! (model->priv->model_access_flags & GDA_DATA_MODEL_ACCESS_CURSOR_FORWARD)) {
/* keep the changes in rows */
GdaRow *gda_row;
gint tmp;
tmp = row;
gda_row = g_hash_table_lookup (model->priv->rows, &tmp);
if (!gda_row)
create_new_row (model);
}
}
}
static const GValue *
gda_data_access_wrapper_get_value_at (GdaDataModel *model, gint col, gint row, GError **error)
{
GdaDataAccessWrapper *imodel;
g_return_val_if_fail (GDA_IS_DATA_ACCESS_WRAPPER (model), NULL);
imodel = (GdaDataAccessWrapper*) model;
g_return_val_if_fail (imodel->priv, NULL);
g_return_val_if_fail (imodel->priv->model, NULL);
g_return_val_if_fail (row >= 0, NULL);
if (col >= imodel->priv->nb_cols) {
g_set_error (error, GDA_DATA_MODEL_ERROR, GDA_DATA_MODEL_COLUMN_OUT_OF_RANGE_ERROR,
_("Column %d out of range (0-%d)"), col, imodel->priv->nb_cols - 1);
return NULL;
}
if (!imodel->priv->rows) {
/* imodel->priv->model is a random access model, use it */
if (imodel->priv->rows_mapping)
return gda_data_model_get_value_at (imodel->priv->model, imodel->priv->rows_mapping [col],
row, error);
else
return gda_data_model_get_value_at (imodel->priv->model, col, row, error);
}
else {
GdaRow *gda_row;
gint tmp;
tmp = row;
gda_row = g_hash_table_lookup (imodel->priv->rows, &tmp);
if (gda_row) {
GValue *val = gda_row_get_value (gda_row, col);
if (gda_row_value_is_valid (gda_row, val))
return val;
else
return NULL;
}
else {
g_assert (imodel->priv->iter);
if (imodel->priv->iter_row < 0) {
if (gda_data_model_iter_move_next (imodel->priv->iter)) {
tmp = row;
gda_row = g_hash_table_lookup (imodel->priv->rows, &tmp);
if (row == imodel->priv->iter_row) {
GValue *val = gda_row_get_value (gda_row, col);
if (gda_row_value_is_valid (gda_row, val))
return val;
else
return NULL;
}
}
else {
g_set_error (error, GDA_DATA_MODEL_ERROR, GDA_DATA_MODEL_ACCESS_ERROR,
"%s", _("Can't set iterator's position"));
return NULL;
}
}
gda_row = NULL;
if (row != imodel->priv->iter_row) {
if (row > imodel->priv->iter_row) {
/* need to move forward */
while ((imodel->priv->iter_row < row) &&
gda_data_model_iter_move_next (imodel->priv->iter));
}
else {
/* need to move backwards */
g_assert (imodel->priv->model_access_flags & GDA_DATA_MODEL_ACCESS_CURSOR_BACKWARD);
while ((imodel->priv->iter_row > row) &&
gda_data_model_iter_move_prev (imodel->priv->iter)) ;
}
}
if (! (imodel->priv->model_access_flags & GDA_DATA_MODEL_ACCESS_CURSOR_BACKWARD) ||
! (imodel->priv->model_access_flags & GDA_DATA_MODEL_ACCESS_CURSOR_FORWARD)) {
tmp = row;
gda_row = g_hash_table_lookup (imodel->priv->rows, &tmp);
if (gda_row) {
GValue *val = gda_row_get_value (gda_row, col);
if (gda_row_value_is_valid (gda_row, val))
return val;
else
return NULL;
}
}
else {
/* in this case iter can be moved forward and backward at will => we only
* need to keep a pool of GdaRow for performances reasons */
tmp = row;
gda_row = g_hash_table_lookup (imodel->priv->rows, &tmp);
if (!gda_row) {
if (! imodel->priv->rows_buffer_array) {
imodel->priv->rows_buffer_array = g_array_sized_new (FALSE, FALSE,
sizeof (GdaRow*),
ROWS_POOL_SIZE);
imodel->priv->rows_buffer_index = g_array_sized_new (FALSE, FALSE,
sizeof (gint),
ROWS_POOL_SIZE);
}
else if (imodel->priv->rows_buffer_array->len == ROWS_POOL_SIZE) {
/* get rid of the oldest row (was model's index_row row)*/
gint index_row;
index_row = g_array_index (imodel->priv->rows_buffer_index, gint,
ROWS_POOL_SIZE - 1);
g_array_remove_index (imodel->priv->rows_buffer_array,
ROWS_POOL_SIZE - 1);
g_array_remove_index (imodel->priv->rows_buffer_index,
ROWS_POOL_SIZE - 1);
g_hash_table_remove (imodel->priv->rows, &index_row);
}
if (gda_data_model_iter_move_to_row (imodel->priv->iter, row)) {
gda_row = create_new_row (imodel);
g_array_prepend_val (imodel->priv->rows_buffer_array, gda_row);
g_array_prepend_val (imodel->priv->rows_buffer_index, imodel->priv->iter_row);
}
}
GValue *val;
val = gda_row ? gda_row_get_value (gda_row, col) : NULL;
if (gda_row && gda_row_value_is_valid (gda_row, val))
return val;
else
return NULL;
}
}
}
g_set_error (error, GDA_DATA_MODEL_ERROR, GDA_DATA_MODEL_ACCESS_ERROR,
"%s", _("Can't access data"));
return NULL;
}
