gimp/libgimp/gimpprocview.c

/* The GIMP -- an image manipulation program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/*
 * dbbrowser_utils.c
 * 0.08  26th sept 97  by Thomas NOEL <thomas@minet.net>
 *
 * 98/12/13  Sven Neumann <sven@gimp.org> : added help display
 */

#include "config.h"

#include <string.h>

#include <gtk/gtk.h>

#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>

#include "dbbrowser_utils.h"

#include "libgimp/stdplugins-intl.h"


#define RESPONSE_SEARCH       1
#define RESPONSE_SEARCH_NAME  2
#define RESPONSE_SEARCH_BLURB 3

#define DBL_LIST_WIDTH 220
#define DBL_WIDTH      (DBL_LIST_WIDTH + 400)
#define DBL_HEIGHT     250


typedef struct
{
  GtkWidget        *dialog;

  GtkWidget        *search_entry;
  GtkWidget        *descr_vbox;
  GtkWidget        *description;

  GtkListStore     *store;
  GtkWidget        *tv;
  GtkTreeSelection *sel;

  /* the currently selected procedure */
  gchar            *selected_proc_name;
  gchar            *selected_scheme_proc_name;
  gchar            *selected_proc_blurb;
  gchar            *selected_proc_help;
  gchar            *selected_proc_author;
  gchar            *selected_proc_copyright;
  gchar            *selected_proc_date;
  GimpPDBProcType   selected_proc_type;
  gint              selected_nparams;
  gint              selected_nreturn_vals;
  GimpParamDef     *selected_params;
  GimpParamDef     *selected_return_vals;

  GimpDBBrowserApplyCallback apply_callback;
} dbbrowser_t;

/* local functions */

static void         dialog_response              (GtkWidget         *widget,
                                                  gint               response_id,
                                                  dbbrowser_t       *dbbrowser);
static void         procedure_select_callback    (GtkTreeSelection  *sel,
                                                  dbbrowser_t       *dbbrowser);
static void         procedure_activated_callback (GtkTreeView       *treeview,
                                                  GtkTreePath       *path,
                                                  GtkTreeViewColumn *column,
                                                  dbbrowser_t       *dbbrowser);
static void         dialog_select                (dbbrowser_t       *dbbrowser,
                                                  gchar             *proc_name);
static void         convert_string               (gchar             *str);
static const gchar *GParamType2char              (GimpPDBArgType     t);


/* create the dialog box
 * console_entry != NULL => called from the script-fu-console
 */
GtkWidget *
gimp_db_browser (GimpDBBrowserApplyCallback apply_callback)
{
  dbbrowser_t     *dbbrowser;
  GtkWidget       *hpaned;
  GtkWidget       *searchhbox;
  GtkWidget       *vbox;
  GtkWidget       *label;
  GtkWidget       *scrolled_window;
  GtkCellRenderer *renderer;

  dbbrowser = g_new0 (dbbrowser_t, 1);

  dbbrowser->apply_callback = apply_callback;

  /* the dialog box */

  if (apply_callback)
    {
      dbbrowser->dialog =
        gimp_dialog_new (_("DB Browser"), "dbbrowser",
                         NULL, 0,
                         gimp_standard_help_func, "plug-in-db-browser",

                         _("Search by _Name"),  RESPONSE_SEARCH_NAME,
                         _("Search by _Blurb"), RESPONSE_SEARCH_BLURB,
                         GTK_STOCK_APPLY,       GTK_RESPONSE_APPLY,
                         GTK_STOCK_CLOSE,       GTK_RESPONSE_CLOSE,

                         NULL);
    }
  else
    {
      dbbrowser->dialog =
        gimp_dialog_new (_("DB Browser"), "dbbrowser",
                         NULL, 0,
                         gimp_standard_help_func, "plug-in-db-browser",

                         _("Search by _Name"),  RESPONSE_SEARCH_NAME,
                         _("Search by _Blurb"), RESPONSE_SEARCH_BLURB,
                         GTK_STOCK_CLOSE,       GTK_RESPONSE_CLOSE,

                         NULL);
    }

  gtk_dialog_set_default_response (GTK_DIALOG (dbbrowser->dialog),
                                   RESPONSE_SEARCH_NAME);

  g_signal_connect (dbbrowser->dialog, "response",
                    G_CALLBACK (dialog_response),
                    dbbrowser);

  /* hpaned : left=list ; right=description */

  hpaned = gtk_hpaned_new ();
  gtk_container_set_border_width (GTK_CONTAINER (hpaned), 12);
  gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dbbrowser->dialog)->vbox),
                      hpaned, TRUE, TRUE, 0);
  gtk_widget_show (hpaned);

  /* left = vbox : the list and the search entry */

  vbox = gtk_vbox_new (FALSE, 6);
  gtk_paned_pack1 (GTK_PANED (hpaned), vbox, FALSE, TRUE);
  gtk_widget_show (vbox);

  /* list : list in a scrolled_win */

  scrolled_window = gtk_scrolled_window_new (NULL, NULL);
  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
                                       GTK_SHADOW_IN);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                  GTK_POLICY_AUTOMATIC,
                                  GTK_POLICY_ALWAYS);
  gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
  gtk_widget_show (scrolled_window);

  dbbrowser->tv = gtk_tree_view_new ();

  renderer = gtk_cell_renderer_text_new ();
  gtk_cell_renderer_text_set_fixed_height_from_font
    (GTK_CELL_RENDERER_TEXT (renderer), 1);

  gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (dbbrowser->tv),
                                               -1, NULL,
                                               renderer,
                                               "text", 0,
                                               NULL);
  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (dbbrowser->tv), FALSE);

  if (apply_callback)
    g_signal_connect (dbbrowser->tv, "row_activated",
                      G_CALLBACK (procedure_activated_callback), dbbrowser);

  gtk_widget_set_size_request (dbbrowser->tv, DBL_LIST_WIDTH, DBL_HEIGHT);
  gtk_container_add (GTK_CONTAINER (scrolled_window), dbbrowser->tv);
  gtk_widget_show (dbbrowser->tv);

  dbbrowser->sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (dbbrowser->tv));
  g_signal_connect (dbbrowser->sel, "changed",
                    G_CALLBACK (procedure_select_callback), dbbrowser);

  /* search entry */

  searchhbox = gtk_hbox_new (FALSE, 6);
  gtk_box_pack_start (GTK_BOX (vbox), searchhbox, FALSE, FALSE, 0);
  gtk_widget_show (searchhbox);

  label = gtk_label_new_with_mnemonic (_("_Search:"));
  gtk_box_pack_start (GTK_BOX (searchhbox), label, FALSE, FALSE, 0);
  gtk_widget_show (label);

  dbbrowser->search_entry = gtk_entry_new ();
  gtk_entry_set_activates_default (GTK_ENTRY (dbbrowser->search_entry), TRUE);
  gtk_box_pack_start (GTK_BOX (searchhbox), dbbrowser->search_entry,
                      TRUE, TRUE, 0);
  gtk_widget_show (dbbrowser->search_entry);

  gtk_label_set_mnemonic_widget (GTK_LABEL (label), dbbrowser->search_entry);

  /* right = description */

  scrolled_window = gtk_scrolled_window_new (NULL, NULL);
  gtk_widget_set_size_request (scrolled_window,
                               DBL_WIDTH - DBL_LIST_WIDTH, -1);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                  GTK_POLICY_AUTOMATIC,
                                  GTK_POLICY_ALWAYS);
  gtk_paned_pack2 (GTK_PANED (hpaned), scrolled_window, TRUE, TRUE);
  gtk_widget_show (scrolled_window);

  dbbrowser->descr_vbox = gtk_vbox_new (FALSE, 6);
  gtk_container_set_border_width (GTK_CONTAINER (dbbrowser->descr_vbox), 12);
  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window),
                                         dbbrowser->descr_vbox);
  gtk_widget_show (dbbrowser->descr_vbox);

  /* now build the list */

  gtk_widget_show (dbbrowser->dialog);

  /* initialize the "return" value (for "apply") */

  dbbrowser->description               = NULL;
  dbbrowser->selected_proc_name        = NULL;
  dbbrowser->selected_scheme_proc_name = NULL;
  dbbrowser->selected_proc_blurb       = NULL;
  dbbrowser->selected_proc_help        = NULL;
  dbbrowser->selected_proc_author      = NULL;
  dbbrowser->selected_proc_copyright   = NULL;
  dbbrowser->selected_proc_date        = NULL;
  dbbrowser->selected_proc_type        = 0;
  dbbrowser->selected_nparams          = 0;
  dbbrowser->selected_nreturn_vals     = 0;
  dbbrowser->selected_params           = NULL;
  dbbrowser->selected_return_vals      = NULL;

  /* first search (all procedures) */
  dialog_response (dbbrowser->dialog, RESPONSE_SEARCH, dbbrowser);

  return dbbrowser->dialog;
}

static void
procedure_activated_callback (GtkTreeView       *treeview,
                              GtkTreePath       *path,
                              GtkTreeViewColumn *column,
                              dbbrowser_t       *dbbrowser)
{
  dialog_response (dbbrowser->dialog, GTK_RESPONSE_APPLY, dbbrowser);
}

static void
procedure_select_callback (GtkTreeSelection *sel,
                           dbbrowser_t      *dbbrowser)
{
  GtkTreeIter  iter;
  gchar       *func;

  g_return_if_fail (sel != NULL);
  g_return_if_fail (dbbrowser != NULL);

  if (gtk_tree_selection_get_selected (sel, NULL, &iter))
    {
      gtk_tree_model_get (GTK_TREE_MODEL (dbbrowser->store), &iter,
                          1, &func,
                          -1);
      dialog_select (dbbrowser, func);
      g_free (func);
    }
}

/* update the description box (right) */
static void
dialog_select (dbbrowser_t *dbbrowser,
               gchar       *proc_name)
{
  GtkWidget   *old_description;
  GtkWidget   *label;
  GtkWidget   *sep;
  gint         i;
  gint         row = 0;
  const gchar *type;

  g_free (dbbrowser->selected_proc_name);
  dbbrowser->selected_proc_name = g_strdup (proc_name);

  g_free (dbbrowser->selected_scheme_proc_name);
  dbbrowser->selected_scheme_proc_name = g_strdup (proc_name);
  convert_string (dbbrowser->selected_scheme_proc_name);

  g_free (dbbrowser->selected_proc_blurb);
  g_free (dbbrowser->selected_proc_help);
  g_free (dbbrowser->selected_proc_author);
  g_free (dbbrowser->selected_proc_copyright);
  g_free (dbbrowser->selected_proc_date);
  g_free (dbbrowser->selected_params);
  g_free (dbbrowser->selected_return_vals);

  gimp_procedural_db_proc_info (proc_name,
                                &dbbrowser->selected_proc_blurb,
                                &dbbrowser->selected_proc_help,
                                &dbbrowser->selected_proc_author,
                                &dbbrowser->selected_proc_copyright,
                                &dbbrowser->selected_proc_date,
                                &dbbrowser->selected_proc_type,
                                &dbbrowser->selected_nparams,
                                &dbbrowser->selected_nreturn_vals,
                                &dbbrowser->selected_params,
                                &dbbrowser->selected_return_vals);

  /* save the "old" table */
  old_description = dbbrowser->description;

  dbbrowser->description = gtk_table_new (10 +
                                          dbbrowser->selected_nparams +
                                          dbbrowser->selected_nreturn_vals,
                                          5, FALSE);

  gtk_table_set_col_spacings (GTK_TABLE (dbbrowser->description), 6);
  gtk_table_set_row_spacings (GTK_TABLE (dbbrowser->description), 6);

  /* show the name */

  label = gtk_label_new (dbbrowser->selected_scheme_proc_name);
  gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
  gtk_label_set_selectable (GTK_LABEL (label), TRUE);

  gimp_table_attach_aligned (GTK_TABLE (dbbrowser->description), 0, row++,
                             _("Name:"), 0.0, 0.0,
                             label, 3, FALSE);

  /* show the description */

  label = gtk_label_new (dbbrowser->selected_proc_blurb);
  gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);

  gimp_table_attach_aligned (GTK_TABLE (dbbrowser->description), 0, row++,
                             _("Blurb:"), 0.0, 0.0,
                             label, 3, FALSE);

  sep = gtk_hseparator_new ();
  gtk_table_attach (GTK_TABLE (dbbrowser->description), sep,
                    0, 4, row, row + 1, GTK_FILL, GTK_FILL, 0, 6);
  gtk_widget_show (sep);
  row++;

  /* in parameters */
  if (dbbrowser->selected_nparams)
    {
      label = gtk_label_new (_("In:"));
      gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
      gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                        0, 1, row, row + (dbbrowser->selected_nparams),
                        GTK_FILL, GTK_FILL, 0, 0);
      gtk_widget_show (label);

      for (i = 0; i < dbbrowser->selected_nparams; i++)
        {
          /* name */
          label = gtk_label_new ((dbbrowser->selected_params[i]).name);
          gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
          gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                            1, 2, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
          gtk_widget_show (label);

          /* type */
          type = GParamType2char ((dbbrowser->selected_params[i]).type);
          label = gtk_label_new (type);
          gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
          gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                            2, 3, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
          gtk_widget_show (label);

          /* description */
          label = gtk_label_new ((dbbrowser->selected_params[i]).description);
          gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
          gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                            3, 4, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
          gtk_widget_show (label);

          row++;
        }
    }

  if ((dbbrowser->selected_nparams) &&
      (dbbrowser->selected_nreturn_vals))
    {
      sep = gtk_hseparator_new ();
      gtk_table_attach (GTK_TABLE (dbbrowser->description), sep,
                        0, 4, row, row + 1, GTK_FILL, GTK_FILL, 0, 6);
      gtk_widget_show (sep);
      row++;
    }

  /* out parameters */
  if (dbbrowser->selected_nreturn_vals)
    {
      label = gtk_label_new (_("Out:"));
      gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
      gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                        0, 1, row, row + (dbbrowser->selected_nreturn_vals),
                        GTK_FILL, GTK_FILL, 0, 0);
      gtk_widget_show (label);

      for (i = 0; i < dbbrowser->selected_nreturn_vals; i++)
        {
          /* name */
          label = gtk_label_new ((dbbrowser->selected_return_vals[i]).name);
          gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
          gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                            1, 2, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
          gtk_widget_show (label);

          /* type */
          type = GParamType2char (dbbrowser->selected_return_vals[i].type);
          label = gtk_label_new (type);
          gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
          gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                            2, 3, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
          gtk_widget_show (label);

          /* description */
          label = gtk_label_new (dbbrowser->selected_return_vals[i].description);
          gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
          gtk_table_attach (GTK_TABLE (dbbrowser->description), label,
                            3, 4, row, row + 1, GTK_FILL, GTK_FILL, 0, 0);
          gtk_widget_show (label);

          row++;
        }
    }

  if (dbbrowser->selected_nparams ||
      dbbrowser->selected_nreturn_vals)
    {
      sep = gtk_hseparator_new ();
      gtk_table_attach (GTK_TABLE (dbbrowser->description), sep,
                        0, 4, row, row + 1, GTK_FILL, GTK_FILL, 0, 6);
      gtk_widget_show (sep);
      row++;
    }

  /* show the help */
  if (dbbrowser->selected_proc_help &&
      (strlen (dbbrowser->selected_proc_help) > 1))
    {
      label = gtk_label_new (dbbrowser->selected_proc_help);
      gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
      gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);

      gimp_table_attach_aligned (GTK_TABLE (dbbrowser->description), 0, row++,
                                 _("Help:"), 0.0, 0.0,
                                 label, 3, FALSE);

      sep = gtk_hseparator_new ();
      gtk_table_attach (GTK_TABLE (dbbrowser->description), sep,
                        0, 4, row, row + 1, GTK_FILL, GTK_FILL, 0, 6);
      gtk_widget_show (sep);

      row++;
    }

  /* show the author & the copyright */

  label = gtk_label_new (dbbrowser->selected_proc_author);
  gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);

  gtk_table_set_row_spacing (GTK_TABLE (dbbrowser->description), row, 2);
  gimp_table_attach_aligned (GTK_TABLE (dbbrowser->description), 0, row++,
                             _("Author:"), 0.0, 0.0,
                             label, 3, FALSE);

  label = gtk_label_new (dbbrowser->selected_proc_date);
  gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);

  gtk_table_set_row_spacing (GTK_TABLE (dbbrowser->description), row, 2);
  gimp_table_attach_aligned (GTK_TABLE (dbbrowser->description), 0, row++,
                             _("Date:"), 0.0, 0.0,
                             label, 3, FALSE);

  label = gtk_label_new (dbbrowser->selected_proc_copyright);
  gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);

  gtk_table_set_row_spacing (GTK_TABLE (dbbrowser->description), row, 2);
  gimp_table_attach_aligned (GTK_TABLE (dbbrowser->description), 0, row++,
                             _("Copyright:"), 0.0, 0.0,
                             label, 3, FALSE);

  if (old_description)
    gtk_container_remove (GTK_CONTAINER (dbbrowser->descr_vbox),
                          old_description);

  gtk_box_pack_start (GTK_BOX (dbbrowser->descr_vbox),
                      dbbrowser->description, FALSE, FALSE, 0);

  gtk_widget_show (dbbrowser->description);
}

static void
dialog_show_message (dbbrowser_t *dbbrowser,
                     const gchar *message)
{
  if (dbbrowser->description && GTK_IS_LABEL (dbbrowser->description))
    {
      gtk_label_set_text (GTK_LABEL (dbbrowser->description), message);
    }
  else
    {
      if (dbbrowser->description)
        gtk_container_remove (GTK_CONTAINER (dbbrowser->descr_vbox),
                              dbbrowser->description);

      dbbrowser->description = gtk_label_new (message);
      gtk_box_pack_start (GTK_BOX (dbbrowser->descr_vbox),
                          dbbrowser->description, FALSE, FALSE, 0);
      gtk_widget_show (dbbrowser->description);
    }

  while (gtk_events_pending ())
    gtk_main_iteration ();
}

static void
dialog_response (GtkWidget   *widget,
                 gint         response_id,
                 dbbrowser_t *dbbrowser)
{
  switch (response_id)
    {
    case GTK_RESPONSE_APPLY:
      (dbbrowser->apply_callback) (dbbrowser->selected_proc_name,
                                   dbbrowser->selected_scheme_proc_name,
                                   dbbrowser->selected_proc_blurb,
                                   dbbrowser->selected_proc_help,
                                   dbbrowser->selected_proc_author,
                                   dbbrowser->selected_proc_copyright,
                                   dbbrowser->selected_proc_date,
                                   dbbrowser->selected_proc_type,
                                   dbbrowser->selected_nparams,
                                   dbbrowser->selected_nreturn_vals,
                                   dbbrowser->selected_params,
                                   dbbrowser->selected_return_vals);
      break;

    case RESPONSE_SEARCH:
    case RESPONSE_SEARCH_NAME:
    case RESPONSE_SEARCH_BLURB:
      {
        gchar       **proc_list;
        gint          num_procs;
        gint          i;
        gchar        *label;
        const gchar  *query_text;
        GString      *query;
        GtkTreeIter   iter;

        gtk_tree_view_set_model (GTK_TREE_VIEW (dbbrowser->tv), NULL);

        /* search */

        if (response_id == RESPONSE_SEARCH_NAME)
          {
            dialog_show_message (dbbrowser,
                                 _("Searching by name - please wait"));

            query = g_string_new ("");
            query_text = gtk_entry_get_text (GTK_ENTRY (dbbrowser->search_entry));

            while (*query_text)
              {
                if ((*query_text == '_') || (*query_text == '-'))
                  g_string_append (query, "[-_]");
                else
                  g_string_append_c (query, *query_text);

                query_text++;
              }

            gimp_procedural_db_query (query->str,
                                      ".*", ".*", ".*", ".*", ".*", ".*",
                                      &num_procs, &proc_list);

            g_string_free (query, TRUE);
          }
        else if (response_id == RESPONSE_SEARCH_BLURB)
          {
            dialog_show_message (dbbrowser,
                                 _("Searching by blurb - please wait"));

            gimp_procedural_db_query (".*",
                                      (gchar *) gtk_entry_get_text
                                      (GTK_ENTRY (dbbrowser->search_entry)),
                                      ".*", ".*", ".*", ".*", ".*",
                                      &num_procs, &proc_list);
          }
        else
          {
            dialog_show_message (dbbrowser, _("Searching - please wait"));

            gimp_procedural_db_query (".*", ".*", ".*", ".*", ".*", ".*", ".*",
                                      &num_procs, &proc_list);
          }

        dbbrowser->store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
        gtk_tree_view_set_model (GTK_TREE_VIEW (dbbrowser->tv),
                                 GTK_TREE_MODEL (dbbrowser->store));
        g_object_unref (dbbrowser->store);

        for (i = 0; i < num_procs; i++)
          {
            label = g_strdup (proc_list[i]);
            convert_string (label);
            gtk_list_store_append (dbbrowser->store, &iter);
            gtk_list_store_set (dbbrowser->store, &iter,
                                0, label,
                                1, proc_list[i],
                                -1);
            g_free (label);
            g_free (proc_list[i]);
          }

        g_free (proc_list);

        /* now sort the store */
        gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (dbbrowser->store),
                                              0, GTK_SORT_ASCENDING);

        if (num_procs > 0)
          {
            gtk_tree_model_get_iter_root (GTK_TREE_MODEL (dbbrowser->store), &iter);
            gtk_tree_selection_select_iter (dbbrowser->sel, &iter);
          }
        else
          {
            dialog_show_message (dbbrowser, _("No matches"));
          }
      }
      break;

    default:
      if (dbbrowser->apply_callback)
        {
          /* we are called by another application : just destroy the dialog box */
          gtk_widget_destroy (dbbrowser->dialog);
        }
      else
        {
          /* we are in the plug_in : kill the gtk application */
          gtk_main_quit ();
        }
      break;
    }
}

/* utils ... */

static void
convert_string (gchar *str)
{
  while (*str)
    {
      if (*str == '_')
        *str = '-';

      str++;
    }
}

static const gchar *
GParamType2char (GimpPDBArgType t)
{
  switch (t)
    {
    case GIMP_PDB_INT32:       return "INT32";
    case GIMP_PDB_INT16:       return "INT16";
    case GIMP_PDB_INT8:        return "INT8";
    case GIMP_PDB_FLOAT:       return "FLOAT";
    case GIMP_PDB_STRING:      return "STRING";
    case GIMP_PDB_INT32ARRAY:  return "INT32ARRAY";
    case GIMP_PDB_INT16ARRAY:  return "INT16ARRAY";
    case GIMP_PDB_INT8ARRAY:   return "INT8ARRAY";
    case GIMP_PDB_FLOATARRAY:  return "FLOATARRAY";
    case GIMP_PDB_STRINGARRAY: return "STRINGARRAY";
    case GIMP_PDB_COLOR:       return "COLOR";
    case GIMP_PDB_REGION:      return "REGION";
    case GIMP_PDB_DISPLAY:     return "DISPLAY";
    case GIMP_PDB_IMAGE:       return "IMAGE";
    case GIMP_PDB_LAYER:       return "LAYER";
    case GIMP_PDB_CHANNEL:     return "CHANNEL";
    case GIMP_PDB_DRAWABLE:    return "DRAWABLE";
    case GIMP_PDB_SELECTION:   return "SELECTION";
    case GIMP_PDB_BOUNDARY:    return "BOUNDARY";
    case GIMP_PDB_PATH:        return "PATH";
    case GIMP_PDB_PARASITE:    return "PARASITE";
    case GIMP_PDB_STATUS:      return "STATUS";
    case GIMP_PDB_END:         return "END";
    default:                   return "UNKNOWN?";
    }
}