GTK+ Forums

#include <gtk/gtk.h>

enum
{
  BUY_IT = 0,
  QUANTITY,
  PRODUCT,
  COLUMNS
};

typedef struct
{
  gboolean buy;
  gint quantity;
  gchar *product;
} GroceryItem;

const GroceryItem list[] =
{
  { TRUE, 1, "Paper Towels" },
  { TRUE, 2, "Bread" },
  { FALSE, 1, "Butter" },
  { TRUE, 1, "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid ex ea commodi consequat. Quis aute iure reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint obcaecat cupiditat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum." },
  { FALSE, 3, "Chips" },
  { TRUE, 4, "Soda" },
  { FALSE, 0, NULL }
};

static void setup_tree_view (GtkWidget*);

int main (int argc, char *argv[])
{
  GtkWidget *window, *treeview, *scrolled_win;
  GtkListStore *store;
  GtkTreeIter iter;
  guint i = 0;

  gtk_init (&argc, &argv);

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title (GTK_WINDOW (window), "Grocery List");
  gtk_container_set_border_width (GTK_CONTAINER (window), 10);
  gtk_widget_set_size_request (window, 250, 175);

  g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (gtk_main_quit), NULL);

  treeview = gtk_tree_view_new ();
  setup_tree_view (treeview);

  /* Create a new tree model with three columns, as string, gint and guint. */
  store = gtk_list_store_new (COLUMNS, G_TYPE_BOOLEAN, G_TYPE_INT, G_TYPE_STRING);

  /* Add all of the products to the GtkListStore. */
  while (list[i].product != NULL)
  {
    gtk_list_store_append (store, &iter);
    gtk_list_store_set (store, &iter, BUY_IT, list[i].buy, QUANTITY, list[i].quantity, PRODUCT, list[i].product, -1);
    i++;
  }

  /* Add the tree model to the tree view and unreference it so that the model will
   * be destroyed along with the tree view. */
  gtk_tree_view_set_model (GTK_TREE_VIEW (treeview), GTK_TREE_MODEL (store));
  g_object_unref (store);

  scrolled_win = gtk_scrolled_window_new (NULL, NULL);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

  gtk_container_add (GTK_CONTAINER (scrolled_win), treeview);
  gtk_container_add (GTK_CONTAINER (window), scrolled_win);
  gtk_widget_show_all (window);

  gtk_main ();
  return 0;
}

/* Add three columns to the GtkTreeView. All three of the columns will be
* displayed as text, although one is a gboolean value and another is
* an integer. */
static void setup_tree_view (GtkWidget *treeview)
{
  GtkCellRenderer *renderer;
  GtkTreeViewColumn *column;

  /* Create a new GtkCellRendererText, add it to the tree view column and
   * append the column to the tree view. */
   
  // 1
  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes ("Buy", renderer, "text", BUY_IT, NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);

  // 2
  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes ("Count", renderer, "text", QUANTITY, NULL);
  gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);

  // 3
  renderer = gtk_cell_renderer_text_new ();
  column = gtk_tree_view_column_new_with_attributes ("Product", renderer, "text", PRODUCT, NULL); 
 
/**********************************
   * why do neither of these work?
   * **********************************/
  //column = gtk_tree_view_column_new_with_attributes ("wrap-mode", PANGO_WRAP_WORD, "wrap-width", 400,"Product", renderer, "text", PRODUCT, NULL);
  //gtk_tree_view_column_set_attributes ( column, renderer,"wrap-mode", PANGO_WRAP_WORD, "wrap-width", 400,NULL);
  /********************************************************************/
 
  gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
}

renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Product", renderer, "text", PRODUCT, NULL); 
 
g_object_set (renderer, "wrap-width", 400, "wrap-mode", PANGO_WRAP_WORD, NULL);