/* testtreecolumnsizing.c: Test case for tree view column resizing.

 *

 * Copyright (C) 2008  Kristian Rietveld  <kris@gtk.org>

 *

 * This work is provided "as is"; redistribution and modification

 * in whole or in part, in any medium, physical or electronic is

 * permitted without restriction.

 *

 * This work is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 *

 * In no event shall the authors or contributors be liable for any

 * direct, indirect, incidental, special, exemplary, or consequential

 * damages (including, but not limited to, procurement of substitute

 * goods or services; loss of use, data, or profits; or business

 * interruption) however caused and on any theory of liability, whether

 * in contract, strict liability, or tort (including negligence or

 * otherwise) arising in any way out of the use of this software, even

 * if advised of the possibility of such damage.

 */

#include <gtk/gtk.h>

#include <string.h>

#define NO_EXPAND "No expandable columns"

#define SINGLE_EXPAND "One expandable column"

#define MULTI_EXPAND "Multiple expandable columns"

#define LAST_EXPAND "Last column is expandable"

#define BORDER_EXPAND "First and last columns are expandable"

#define ALL_EXPAND "All columns are expandable"

#define N_ROWS 10

static GtkTreeModel *

create_model (void)

{

  int i;

  GtkListStore *store;

  store = gtk_list_store_new (5,

                              G_TYPE_STRING,

                              G_TYPE_STRING,

                              G_TYPE_STRING,

                              G_TYPE_STRING,

                              G_TYPE_STRING);

  for (i = 0; i < N_ROWS; i++)

    {

      gchar *str;

      str = g_strdup_printf ("Row %d", i);

      gtk_list_store_insert_with_values (store, NULL, i,

                                         0, str,

                                         1, "Blah blah blah blah blah",

                                         2, "Less blah",

                                         3, "Medium length",

                                         4, "Eek",

                                         -1);

      g_free (str);

    }

  return GTK_TREE_MODEL (store);

}

static void

toggle_long_content_row (GtkToggleButton *button,

                         gpointer         user_data)

{

  GtkTreeModel *model;

  model = gtk_tree_view_get_model (GTK_TREE_VIEW (user_data));

  if (gtk_tree_model_iter_n_children (model, NULL) == N_ROWS)

    {

      gtk_list_store_insert_with_values (GTK_LIST_STORE (model), NULL, N_ROWS,

                                         0, "Very very very very longggggg",

                                         1, "Blah blah blah blah blah",

                                         2, "Less blah",

                                         3, "Medium length",

                                         4, "Eek we make the scrollbar appear",

                                         -1);

    }

  else

    {

      GtkTreeIter iter;

      gtk_tree_model_iter_nth_child (model, &iter, NULL, N_ROWS);

      gtk_list_store_remove (GTK_LIST_STORE (model), &iter);

    }

}

static void

combo_box_changed (GtkComboBox *combo_box,

                   gpointer     user_data)

{

  gchar *str;

  GList *list;

  GList *columns;

  str = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (combo_box));

  if (!str)

    return;

  columns = gtk_tree_view_get_columns (GTK_TREE_VIEW (user_data));

  if (!strcmp (str, NO_EXPAND))

    {

      for (list = columns; list; list = list->next)

        gtk_tree_view_column_set_expand (list->data, FALSE);

    }

  else if (!strcmp (str, SINGLE_EXPAND))

    {

      for (list = columns; list; list = list->next)

        {

          if (list->prev && !list->prev->prev)

            /* This is the second column */

            gtk_tree_view_column_set_expand (list->data, TRUE);

          else

            gtk_tree_view_column_set_expand (list->data, FALSE);

        }

    }

  else if (!strcmp (str, MULTI_EXPAND))

    {

      for (list = columns; list; list = list->next)

        {

          if (list->prev && !list->prev->prev)

            /* This is the second column */

            gtk_tree_view_column_set_expand (list->data, TRUE);

          else if (list->prev && !list->prev->prev->prev)

            /* This is the third column */

            gtk_tree_view_column_set_expand (list->data, TRUE);

          else

            gtk_tree_view_column_set_expand (list->data, FALSE);

        }

    }

  else if (!strcmp (str, LAST_EXPAND))

    {

      for (list = columns; list->next; list = list->next)

        gtk_tree_view_column_set_expand (list->data, FALSE);

      /* This is the last column */

      gtk_tree_view_column_set_expand (list->data, TRUE);

    }

  else if (!strcmp (str, BORDER_EXPAND))

    {

      gtk_tree_view_column_set_expand (columns->data, TRUE);

      for (list = columns->next; list->next; list = list->next)

        gtk_tree_view_column_set_expand (list->data, FALSE);

      /* This is the last column */

      gtk_tree_view_column_set_expand (list->data, TRUE);

    }

  else if (!strcmp (str, ALL_EXPAND))

    {

      for (list = columns; list; list = list->next)

        gtk_tree_view_column_set_expand (list->data, TRUE);

    }

  g_free (str);

  g_list_free (columns);

}

int

main (int argc, char **argv)

{

  int i;

  GtkWidget *window;

  GtkWidget *vbox;

  GtkWidget *combo_box;

  GtkWidget *sw;

  GtkWidget *tree_view;

  GtkWidget *button;

  gtk_init (&argc, &argv);

  /* Window and box */

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

  gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);

  g_signal_connect (window, "delete-event", G_CALLBACK (gtk_main_quit), NULL);

  gtk_container_set_border_width (GTK_CONTAINER (window), 5);

  vbox = gtk_vbox_new (FALSE, 5);

  gtk_container_add (GTK_CONTAINER (window), vbox);

  /* Option menu contents */

  combo_box = gtk_combo_box_text_new ();

  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), NO_EXPAND);

  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), SINGLE_EXPAND);

  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), MULTI_EXPAND);

  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), LAST_EXPAND);

  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), BORDER_EXPAND);

  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), ALL_EXPAND);

  gtk_box_pack_start (GTK_BOX (vbox), combo_box, FALSE, FALSE, 0);

  /* Scrolled window and tree view */

  sw = gtk_scrolled_window_new (NULL, NULL);

  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),

                                  GTK_POLICY_AUTOMATIC,

                                  GTK_POLICY_AUTOMATIC);

  gtk_box_pack_start (GTK_BOX (vbox), sw, TRUE, TRUE, 0);

  tree_view = gtk_tree_view_new_with_model (create_model ());

  gtk_container_add (GTK_CONTAINER (sw), tree_view);

  for (i = 0; i < 5; i++)

    {

      GtkTreeViewColumn *column;

      gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),

                                                   i, "Header",

                                                   gtk_cell_renderer_text_new (),

                                                   "text", i,

                                                   NULL);

      column = gtk_tree_view_get_column (GTK_TREE_VIEW (tree_view), i);

      gtk_tree_view_column_set_resizable (column, TRUE);

    }

  /* Toggle button for long content row */

  button = gtk_toggle_button_new_with_label ("Toggle long content row");

  g_signal_connect (button, "toggled",

                    G_CALLBACK (toggle_long_content_row), tree_view);

  gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);

  /* Set up option menu callback and default item */

  g_signal_connect (combo_box, "changed",

                    G_CALLBACK (combo_box_changed), tree_view);

  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);

  /* Done */

  gtk_widget_show_all (window);

  gtk_main ();

  return 0;

}