C++ (Cpp) swap_model_iters_contents Examples

Example #1

File: bus_layout_dialog.c Project: kwalus/QCADesigner

static void swap_model_paths_contents (GtkTreeModel *tm, GtkTreePath *tpSrc, GtkTreePath *tpDst)
  {
  GtkTreeIter itrSrc, itrDst ;

  if (gtk_tree_model_get_iter (tm, &itrSrc, tpSrc))
    if (gtk_tree_model_get_iter (tm, &itrDst, tpDst))
      swap_model_iters_contents (tm, &itrSrc, &itrDst) ;
  }

Example #2

File: bus_layout_dialog.c Project: jjenki11/blaze-chem-rendering

static void delete_bus_button_clicked (GtkWidget *widget, gpointer data)
  {
  int icChildren = -1 ;
  bus_layout_D *dialog = (bus_layout_D *)data ;
  GtkTreeModel *tm = gtk_tree_view_get_model (GTK_TREE_VIEW (dialog->tview)) ;
  GtkTreePath *tpBus = g_object_get_data (G_OBJECT (dialog->tview), "tpBus") ;
  GtkTreeRowReference *trrBus = NULL ;
  GtkTreeIter itr, itrSrc ;
  GList *llBusRefs = NULL, *llItr = NULL ;
  GtkTreePath *tp = NULL ;

  if (NULL == tpBus) return ;

  icChildren = gtk_tree_model_path_n_children (tm, tpBus) ;

  // There should always be some children
  if (0 == icChildren) return ;

  trrBus = gtk_tree_row_reference_new (tm, tpBus) ;

  llBusRefs = get_bus_refs (tm, tpBus) ;

  for (llItr = llBusRefs ; llItr != NULL ; llItr = llItr->next)
    {
    gtk_tree_store_append (GTK_TREE_STORE (tm), &itr, NULL) ;

    gtk_tree_model_get_iter (tm, &itrSrc, tp = gtk_tree_row_reference_get_path (llItr->data)) ;
    gtk_tree_path_free (tp) ;

    swap_model_iters_contents (tm, &itrSrc, &itr) ;

    gtk_tree_row_reference_free (llItr->data) ;
    }

  g_list_free (llBusRefs) ;

  gtk_tree_model_get_iter (tm, &itrSrc, tp = gtk_tree_row_reference_get_path (trrBus)) ;
  gtk_tree_path_free (tp) ;

  gtk_tree_store_remove (GTK_TREE_STORE (tm), &itrSrc) ;

  gtk_tree_row_reference_free (trrBus) ;
  }

Example #3

File: bus_layout_dialog.c Project: kwalus/QCADesigner

// Create a new bus from the current selection
static void create_bus_button_clicked (GtkWidget *widget, gpointer data)
  {
  int row_type = -1 ;
  bus_layout_D *dialog = (bus_layout_D *)data ;
  GList *llTreeRefs = NULL, *llItr = NULL ;
  GtkTreeStore *ts = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (dialog->tview))) ;
  GtkTreeIter itrBus, itr, itrSrc, itrSrcParent ;
  GtkTreeRowReference *refBus = NULL, *refSrcParent = NULL ;
  GtkTreePath *tp = NULL, *tpSrcParent = NULL ;

  llTreeRefs = get_selected_refs (gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->tview))) ;

  if (NULL == llTreeRefs) return ;

  if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (ts), &itr,
    tp = gtk_tree_row_reference_get_path (llTreeRefs->data)))
    {
    gtk_tree_path_free (tp) ;
    return ;
    }

  gtk_tree_model_get (GTK_TREE_MODEL (ts), &itr, BUS_LAYOUT_MODEL_COLUMN_TYPE, &row_type, -1) ;

  gtk_tree_path_free (tp) ;

  gtk_tree_store_prepend (ts, &itrBus, NULL) ;
  gtk_tree_store_set (ts, &itrBus,
    BUS_LAYOUT_MODEL_COLUMN_ICON, (row_type & ROW_TYPE_INPUT) ? QCAD_STOCK_BUS_INPUT : QCAD_STOCK_BUS_OUTPUT,
    BUS_LAYOUT_MODEL_COLUMN_NAME, _("Untitled Bus"),
    BUS_LAYOUT_MODEL_COLUMN_TYPE, (row_type & ROW_TYPE_INPUT) ? ROW_TYPE_BUS_INPUT : ROW_TYPE_BUS_OUTPUT,
    BUS_LAYOUT_MODEL_COLUMN_INDEX, -1, -1) ;

  refBus = gtk_tree_row_reference_new (GTK_TREE_MODEL (ts), tp = gtk_tree_model_get_path (GTK_TREE_MODEL (ts), &itrBus)) ;
  gtk_tree_path_free (tp) ;

  for (llItr = g_list_last (llTreeRefs) ; llItr != NULL ; llItr = llItr->prev)
    {
    if (gtk_tree_model_get_iter (GTK_TREE_MODEL (ts), &itrBus, tp = gtk_tree_row_reference_get_path (refBus)))
      {
      gtk_tree_path_free (tp) ;

      gtk_tree_store_append (ts, &itr, &itrBus) ;

      if (gtk_tree_model_get_iter (GTK_TREE_MODEL (ts), &itrSrc, tp = gtk_tree_row_reference_get_path (llItr->data)))
        swap_model_iters_contents (GTK_TREE_MODEL (ts), &itrSrc, &itr) ;
      gtk_tree_path_free (tp) ;

      if (gtk_tree_model_get_iter (GTK_TREE_MODEL (ts), &itrSrc, tp = gtk_tree_row_reference_get_path (llItr->data)))
        {
        if (gtk_tree_path_get_depth (tp) > 1)
          {
          if (gtk_tree_path_up (tpSrcParent = gtk_tree_path_copy (tp)))
            refSrcParent = (1 == gtk_tree_model_path_n_children (GTK_TREE_MODEL (ts), tpSrcParent)) ?
              gtk_tree_row_reference_new (GTK_TREE_MODEL (ts), tpSrcParent) : NULL ;

          gtk_tree_path_free (tpSrcParent) ;
          }
        }
      gtk_tree_path_free (tp) ;

      gtk_tree_row_reference_free (llItr->data) ;

      // Remove cell from old location
      gtk_tree_store_remove (ts, &itrSrc) ;

      // The bus that owned the row we just moved has become empty - delete it
      if (NULL != refSrcParent)
        {
        tpSrcParent = gtk_tree_row_reference_get_path (refSrcParent) ;

        if (gtk_tree_model_get_iter (GTK_TREE_MODEL (ts), &itrSrcParent, tpSrcParent))
          gtk_tree_store_remove (ts, &itrSrcParent) ;

        gtk_tree_path_free (tpSrcParent) ;
        gtk_tree_row_reference_free (refSrcParent) ;
        refSrcParent = NULL ;
        }
      }
    else
      gtk_tree_path_free (tp) ;
    }

  gtk_tree_selection_select_path (gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->tview)), tp = gtk_tree_row_reference_get_path (refBus)) ;

  gtk_tree_path_free (tp) ;
  gtk_tree_row_reference_free (refBus) ;
  g_list_free (llTreeRefs) ;
  }