C++ (Cpp) data_layer_get_index Examples

Example #1

File: diagram_tree_model.c Project: brunetton/dia

static gboolean
_dtm_iter_next (GtkTreeModel *tree_model,
		GtkTreeIter  *iter)
{
  int i;
  if (NODE_OBJECT(iter)) {
    if (!NODE_LAYER(iter))
      return FALSE;
    i = layer_object_get_index (NODE_LAYER(iter), NODE_OBJECT(iter));
    ++i;
    NODE_OBJECT(iter) = layer_object_get_nth(NODE_LAYER(iter), i);
    return NODE_OBJECT(iter) != NULL;
  } else if (NODE_LAYER(iter)) {
    if (!NODE_DIAGRAM(iter))
      return FALSE;
    i = data_layer_get_index (NODE_DIAGRAM(iter), NODE_LAYER(iter));
    ++i;
    NODE_LAYER(iter) = data_layer_get_nth(NODE_DIAGRAM(iter), i);
    return NODE_LAYER(iter) != NULL;
  } else if (NODE_DIAGRAM(iter)) {
    GList *list = dia_open_diagrams();
    i = g_list_index (list, NODE_DIAGRAM(iter));
    ++i;
    list = g_list_nth (list, i);
    NODE_DIAGRAM(iter) = list ? list->data : NULL;
    return NODE_DIAGRAM(iter) != NULL;
  } else {
    /* empy iter? */
    GList *list = dia_open_diagrams();
    NODE_DIAGRAM(iter) = list ? list->data : NULL;
    return NODE_DIAGRAM(iter) != NULL;
  }
  return FALSE;
}

Example #2

File: layer_dialog.c Project: AmiGanguli/dia

static void
edit_layer_add_ok_callback (GtkWidget *w, gpointer client_data)
{
  EditLayerDialog *dialog = (EditLayerDialog *) client_data;
  Diagram *dia = ddisplay_active_diagram();
  Layer *layer;
  int pos = data_layer_get_index (dia->data, dia->data->active_layer) + 1;
  
  layer = new_layer(g_strdup (gtk_entry_get_text (GTK_ENTRY (dialog->name_entry))), dia->data);
  data_add_layer_at(dia->data, layer, pos);
  data_set_active_layer(dia->data, layer);

  diagram_add_update_all(dia);
  diagram_flush(dia);
  
  undo_layer(dia, layer, TYPE_ADD_LAYER, pos);
  undo_set_transactionpoint(dia->undo);

  /* ugly way of updating the layer widget */
  if (layer_dialog && layer_dialog->diagram == dia) {
    layer_dialog_set_diagram(dia);
  }

  gtk_widget_destroy (dialog->dialog);
  g_free (dialog);
}

Example #3

File: diagram_tree_model.c Project: brunetton/dia

static GtkTreePath *
_dtm_get_path (GtkTreeModel *tree_model,
	       GtkTreeIter  *iter)
{
  GtkTreePath *result;
  int index = 0;

  if (!NODE_DIAGRAM(iter) && !NODE_LAYER(iter) && !NODE_OBJECT(iter)) {
    /* the root path */
    return gtk_tree_path_new_first ();
  }

  result = gtk_tree_path_new ();

  if (NODE_DIAGRAM(iter)) {
    GList *list = dia_open_diagrams();
    gtk_tree_path_append_index (result, g_list_index (list, NODE_DIAGRAM(iter)));
  }
  if (NODE_LAYER(iter)) {
    g_return_val_if_fail (NODE_DIAGRAM(iter) == layer_get_parent_diagram (NODE_LAYER(iter)), NULL);
    index = data_layer_get_index (NODE_DIAGRAM(iter), NODE_LAYER(iter));
    if (index >= 0)
      gtk_tree_path_append_index (result, index);
  }
  if (index >= 0 && NODE_OBJECT(iter)) {
    g_return_val_if_fail (NODE_LAYER(iter) == dia_object_get_parent_layer (NODE_OBJECT(iter)), NULL);
    index = layer_object_get_index (NODE_LAYER(iter), NODE_OBJECT(iter));
    if (index >= 0)
      gtk_tree_path_append_index (result, index);
  }

  if (index < 0) {
    gtk_tree_path_free (result);
    return NULL;
  }
  return result;
}