path: root/gtk/color_dlg.c

/* color_dlg.c
 * Definitions for dialog boxes for color filters
 *
 * $Id: color_dlg.c,v 1.16 2002/08/28 21:03:46 jmayer Exp $
 *
 * Ethereal - Network traffic analyzer
 * By Gerald Combs <gerald@ethereal.com>
 * Copyright 1998 Gerald Combs
 *
 * 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.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <gtk/gtk.h>

#include <stdlib.h>
#include <string.h>

#include <errno.h>

#include "gtk/main.h"
#include <epan/packet.h>
#include "colors.h"
#include "color_dlg.h"
#include "file.h"
#include <epan/dfilter/dfilter.h>
#include "simple_dialog.h"
#include "dlg_utils.h"
#include "ui_util.h"
#include "dfilter_expr_dlg.h"


static GtkWidget* colorize_dialog_new(void);
static void add_filter_to_clist(gpointer filter_arg, gpointer clist_arg);
static void color_filter_up_cb(GtkButton *button, gpointer user_data);
static void color_filter_down_cb(GtkButton *button, gpointer user_data);
static void remember_selected_row(GtkCList *clist, gint row, gint column,
				 GdkEvent *event, gpointer user_data);
static void unremember_selected_row(GtkCList *clist, gint row, gint column,
				 GdkEvent *event, gpointer user_data);
static void color_destroy_cb(GtkButton *button, gpointer user_data);
static void destroy_edit_dialog_cb(gpointer filter_arg, gpointer dummy);
static void color_new_cb(GtkButton *button, gpointer user_data);
static void color_edit_cb(GtkButton *button, gpointer user_data);
static void color_delete_cb(GtkWidget *widget, gpointer user_data);
static void color_save_cb(GtkButton *button, gpointer user_data);
static void color_ok_cb(GtkButton *button, gpointer user_data);
static void color_cancel_cb(GtkWidget *widget, gpointer user_data);
static void color_apply_cb(GtkButton *button, gpointer user_data);

static void edit_color_filter_dialog_new(GtkWidget *color_filters,
				 GtkWidget **colorize_filter_name,
				 GtkWidget **colorize_filter_text);
static void edit_color_filter_destroy_cb(GtkObject *object,
				 gpointer user_data);
static void edit_color_filter_fg_cb(GtkButton *button, gpointer user_data);
static void edit_color_filter_bg_cb(GtkButton *button, gpointer user_data);
static void edit_color_filter_ok_cb(GtkButton *button, gpointer user_data);
static void edit_color_filter_cancel_cb(GtkObject *object, gpointer user_data);

static GtkWidget* color_sel_win_new(color_filter_t *colorf, gboolean);
static void color_sel_ok_cb(GtkButton *button, gpointer user_data);
static void color_sel_cancel_cb(GtkObject *object, gpointer user_data);

static GtkWidget *colorize_win;
static gint	  num_of_filters;  /* number of filters being displayed */
static gint	  row_selected;	   /* row in color_filters that is selected */

static gchar *titles[2] = { "Name", "Filter String" };

#define COLOR_UP_LB		"color_up_lb"
#define COLOR_DOWN_LB		"color_down_lb"
#define COLOR_EDIT_LB		"color_edit_lb"
#define COLOR_DELETE_LB		"color_delete_lb"
#define COLOR_FILTERS_CL	"color_filters_cl"
#define COLOR_FILTER		"color_filter"
#define COLOR_SELECTION_FG	"color_selection_fg"
#define COLOR_SELECTION_BG	"color_selection_bg"
#define COLOR_SELECTION_PARENT	"color_selection_parent"

static void
filter_expr_cb(GtkWidget *w _U_, gpointer filter_te)
{

        dfilter_expr_dlg_new(GTK_WIDGET(filter_te));
}


/* Callback for the "Display:Colorize Display" menu item. */
void
color_display_cb(GtkWidget *w _U_, gpointer d _U_)
{
  if (colorize_win != NULL) {
    /* There's already a color dialog box active; reactivate it. */
    reactivate_window(colorize_win);
  } else {
    /* Create a new "Colorize Display" dialog. */
    colorize_win = colorize_dialog_new();
  }
}

/* Create the "Add color to protocols" dialog. */
static GtkWidget*
colorize_dialog_new (void)
{
  GtkWidget *color_win;
  GtkWidget *vbox1;
  GtkWidget *hbox1;
  GtkWidget *vbox2;
  GtkWidget *vbox4;
  GtkWidget *color_filter_up;
  GtkWidget *label4;
  GtkWidget *color_filter_down;
  GtkWidget *scrolledwindow1;
  GtkWidget *color_filters;
  GtkWidget *color_new;
  GtkWidget *color_edit;
  GtkWidget *color_delete;
  GtkWidget *color_save;
  GtkWidget *hbox3;
  GtkWidget *color_ok;
  GtkWidget *color_apply;
  GtkWidget *color_cancel;
  GtkTooltips *tooltips;

  row_selected = -1; /* no row selected */
  tooltips = gtk_tooltips_new ();

  color_win = dlg_window_new ("Add color to protocols");
  gtk_object_set_data (GTK_OBJECT (color_win), "color_win", color_win);

  vbox1 = gtk_vbox_new (FALSE, 0);
  gtk_widget_ref (vbox1);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "vbox1", vbox1,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (vbox1);
  gtk_container_add (GTK_CONTAINER (color_win), vbox1);

  hbox1 = gtk_hbox_new (FALSE, 0);
  gtk_widget_ref (hbox1);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "hbox1", hbox1,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (hbox1);
  gtk_box_pack_start (GTK_BOX (vbox1), hbox1, TRUE, TRUE, 0);

  /* vbox2 holds the Up and Down Buttons and label */
  vbox2 = gtk_vbox_new (TRUE, 0);
  gtk_widget_ref (vbox2);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "vbox2", vbox2,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (vbox2);
  gtk_box_pack_start (GTK_BOX (hbox1), vbox2, FALSE, TRUE, 0);
  gtk_widget_set_usize (vbox2, 150, -2);

  color_filter_up = gtk_button_new_with_label (("Up"));
  gtk_widget_ref (color_filter_up);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_filter_up", color_filter_up,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_filter_up);
  gtk_box_pack_start (GTK_BOX (vbox2), color_filter_up, FALSE, FALSE, 0);
  gtk_tooltips_set_tip (tooltips, color_filter_up, ("Move filter higher in list"), NULL);
  gtk_widget_set_sensitive (color_filter_up, FALSE);

  label4 = gtk_label_new (("Move filter\nup or down\n[List is processed \n"
			  "in order until\nmatch is found]"));
  gtk_widget_ref (label4);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "label4", label4,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (label4);
  gtk_box_pack_start (GTK_BOX (vbox2), label4, FALSE, FALSE, 0);

  color_filter_down = gtk_button_new_with_label (("Down"));
  gtk_widget_ref (color_filter_down);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_filter_down", color_filter_down,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_filter_down);
  gtk_box_pack_start (GTK_BOX (vbox2), color_filter_down, FALSE, FALSE, 0);
  gtk_tooltips_set_tip (tooltips, color_filter_down, ("Move filter lower in list"), NULL);
  gtk_widget_set_sensitive (color_filter_down, FALSE);
  /* End vbox2 */

  /* create the list of filters */
  scrolledwindow1 = gtk_scrolled_window_new (NULL, NULL);
  gtk_widget_ref (scrolledwindow1);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "scrolledwindow1", scrolledwindow1,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (scrolledwindow1);
  gtk_box_pack_start (GTK_BOX (hbox1), scrolledwindow1, TRUE, TRUE, 0);

  color_filters = gtk_clist_new_with_titles(2, titles);

  num_of_filters = 0;
  g_slist_foreach(filter_list, add_filter_to_clist, color_filters);

  gtk_widget_show (color_filters);
  gtk_container_add (GTK_CONTAINER (scrolledwindow1), color_filters);
  gtk_widget_set_usize (color_filters, 300, -2);
  gtk_clist_set_column_width (GTK_CLIST (color_filters), 0, 80);
  gtk_clist_set_column_width (GTK_CLIST (color_filters), 1, 80);
  gtk_clist_column_titles_show (GTK_CLIST (color_filters));
  /* end list of filters */

  /* vbox4 is first button column */
  vbox4 = gtk_vbox_new (FALSE, 0);
  gtk_widget_ref (vbox4);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "vbox4", vbox4,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (vbox4);
  gtk_box_pack_start (GTK_BOX (hbox1), vbox4, TRUE, FALSE, 5);
#if 0
  gtk_widget_set_usize (vbox4, -2, 30);
#endif

  color_new = gtk_button_new_with_label (("New"));
  gtk_widget_ref (color_new);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_new", color_new,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_new);
  gtk_box_pack_start (GTK_BOX (vbox4), color_new, FALSE, FALSE, 5);
  gtk_widget_set_usize (color_new, 50, 20);
  gtk_tooltips_set_tip (tooltips, color_new, ("Create a new colorization filter after selected filter"), NULL);

  color_edit = gtk_button_new_with_label (("Edit"));
  gtk_widget_ref (color_edit);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_edit", color_edit,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_edit);
  gtk_widget_set_usize(color_edit, 50, 20);
  gtk_box_pack_start (GTK_BOX (vbox4), color_edit, FALSE, FALSE, 5);
  gtk_tooltips_set_tip (tooltips, color_edit, ("Change color of selected filter"), NULL);
  gtk_widget_set_sensitive (color_edit, FALSE);

  color_delete = gtk_button_new_with_label (("Delete"));
  gtk_widget_ref (color_delete);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_delete", color_delete,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_delete);
  gtk_box_pack_start (GTK_BOX (vbox4), color_delete, FALSE, FALSE, 5);
  gtk_widget_set_usize (color_delete, 50, 20);
  gtk_tooltips_set_tip (tooltips, color_delete, ("Delete selected colorization filter"), NULL);
  gtk_widget_set_sensitive (color_delete, FALSE);

  color_save = gtk_button_new_with_label (("Save"));
  gtk_widget_ref (color_save);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_save", color_save,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_save);
  gtk_box_pack_start (GTK_BOX (vbox4), color_save, FALSE, FALSE, 5);
  gtk_widget_set_usize (color_save, 50, 20);
  gtk_tooltips_set_tip (tooltips, color_save, ("Save all filters to disk"), NULL);

  /* hbox3 is bottom button row */
  hbox3 = gtk_hbox_new (FALSE, 0);
  gtk_widget_ref (hbox3);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "hbox3", hbox3,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (hbox3);
  gtk_box_pack_start (GTK_BOX (vbox1), hbox3, TRUE, FALSE, 5);
  gtk_widget_set_usize (hbox3, 177, 30);

  color_ok = gtk_button_new_with_label (("OK"));
  gtk_widget_ref (color_ok);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_ok", color_ok,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_ok);
  gtk_box_pack_start (GTK_BOX (hbox3), color_ok, TRUE, FALSE, 0);
  gtk_widget_set_usize (color_ok, 50, 20);
  gtk_tooltips_set_tip (tooltips, color_ok, ("Accept filter list; apply changes"), NULL);

  color_apply = gtk_button_new_with_label (("Apply"));
  gtk_widget_ref (color_apply);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_apply", color_apply,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_apply);
  gtk_box_pack_start (GTK_BOX (hbox3), color_apply, TRUE, FALSE, 0);
  gtk_widget_set_usize (color_apply, 50, 20);
  gtk_tooltips_set_tip (tooltips, color_apply, ("Apply filters in list"), NULL);

  color_cancel = gtk_button_new_with_label (("Cancel"));
  gtk_widget_ref (color_cancel);
  gtk_object_set_data_full (GTK_OBJECT (color_win), "color_cancel", color_cancel,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_cancel);
  gtk_box_pack_start (GTK_BOX (hbox3), color_cancel, TRUE, FALSE, 0);
  gtk_widget_set_usize (color_cancel, 50, 20);
  gtk_tooltips_set_tip (tooltips, color_cancel, ("No more filter changes; don't apply"), NULL);

  gtk_signal_connect (GTK_OBJECT (color_win), "destroy",
                      GTK_SIGNAL_FUNC (color_destroy_cb),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (color_filter_up), COLOR_FILTERS_CL,
                      color_filters);
  gtk_signal_connect (GTK_OBJECT (color_filter_up), "clicked",
                      GTK_SIGNAL_FUNC (color_filter_up_cb),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (color_filter_down), COLOR_FILTERS_CL,
                      color_filters);
  gtk_signal_connect (GTK_OBJECT (color_filter_down), "clicked",
                      GTK_SIGNAL_FUNC (color_filter_down_cb),
                      NULL);
  gtk_signal_connect (GTK_OBJECT (color_filters), "select_row",
                      GTK_SIGNAL_FUNC (remember_selected_row),
                      NULL);
  gtk_signal_connect (GTK_OBJECT (color_filters), "unselect_row",
                      GTK_SIGNAL_FUNC (unremember_selected_row),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (color_filters), COLOR_UP_LB,
                      color_filter_up);
  gtk_object_set_data(GTK_OBJECT (color_filters), COLOR_DOWN_LB,
                      color_filter_down);
  gtk_object_set_data(GTK_OBJECT (color_filters), COLOR_EDIT_LB,
                      color_edit);
  gtk_object_set_data(GTK_OBJECT (color_filters), COLOR_DELETE_LB,
                      color_delete);
  gtk_object_set_data(GTK_OBJECT (color_new), COLOR_FILTERS_CL,
                      color_filters);
  gtk_signal_connect (GTK_OBJECT (color_new), "clicked",
                      GTK_SIGNAL_FUNC (color_new_cb),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (color_edit), COLOR_FILTERS_CL,
                      color_filters);
  gtk_signal_connect (GTK_OBJECT (color_edit), "clicked",
                      GTK_SIGNAL_FUNC (color_edit_cb),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (color_delete), COLOR_EDIT_LB,
                      color_edit);
  gtk_object_set_data(GTK_OBJECT (color_delete), COLOR_FILTERS_CL,
                      color_filters);
  gtk_signal_connect (GTK_OBJECT (color_delete), "clicked",
                      GTK_SIGNAL_FUNC (color_delete_cb),
                      NULL);
  gtk_signal_connect (GTK_OBJECT (color_save), "clicked",
                      GTK_SIGNAL_FUNC (color_save_cb),
                      NULL);
  gtk_signal_connect (GTK_OBJECT (color_ok), "clicked",
                      GTK_SIGNAL_FUNC (color_ok_cb),
                      NULL);
  gtk_signal_connect (GTK_OBJECT (color_apply), "clicked",
                      GTK_SIGNAL_FUNC (color_apply_cb),
                      NULL);
  gtk_signal_connect (GTK_OBJECT (color_cancel), "clicked",
                      GTK_SIGNAL_FUNC (color_cancel_cb),
                      NULL);

  gtk_widget_grab_focus (color_filters);
  gtk_object_set_data (GTK_OBJECT (color_win), "tooltips", tooltips);
  gtk_widget_show (color_win);

  dlg_set_cancel(color_win, color_cancel);

  return color_win;
}

static void
add_filter_to_clist(gpointer filter_arg, gpointer clist_arg)
{
  color_filter_t *colorf = filter_arg;
  GtkWidget *color_filters = clist_arg;
  gchar *data[2];
  gint row;

  data[0] = colorf->filter_name;
  data[1] = colorf->filter_text;
  row = gtk_clist_append(GTK_CLIST(color_filters), data);
  gtk_clist_set_row_data(GTK_CLIST(color_filters), row, colorf);
  gtk_clist_set_foreground(GTK_CLIST(color_filters), row, &colorf->fg_color);
  gtk_clist_set_background(GTK_CLIST(color_filters), row, &colorf->bg_color);
  num_of_filters++;
}

/* Move the selected filter up in the list */
static void
color_filter_up_cb                     (GtkButton       *button,
                                        gpointer         user_data _U_)
{
  gint filter_number;
  GtkWidget *color_filters;
  color_filter_t *colorf;

  filter_number = row_selected;
  g_assert(filter_number > 0);

  color_filters = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTERS_CL);
  colorf = gtk_clist_get_row_data(GTK_CLIST(color_filters), filter_number);
  gtk_clist_swap_rows(GTK_CLIST(color_filters), filter_number, filter_number-1);

  /*
   * That row is still selected, but it's now row N-1.
   */
  remember_selected_row(GTK_CLIST(color_filters), filter_number-1, 0, NULL,
      NULL);

  filter_list = g_slist_remove(filter_list, colorf);
  filter_list = g_slist_insert(filter_list, colorf, filter_number-1);
}

/* Move the selected filter down in the list */
static void
color_filter_down_cb                   (GtkButton       *button,
                                        gpointer         user_data _U_)
{
  gint filter_number;
  GtkWidget *color_filters;
  color_filter_t *colorf;

  filter_number = row_selected;
  g_assert(filter_number < num_of_filters - 1);

  color_filters = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTERS_CL);
  colorf = gtk_clist_get_row_data(GTK_CLIST(color_filters), filter_number);
  gtk_clist_swap_rows(GTK_CLIST(color_filters), filter_number+1, filter_number);

  /*
   * That row is still selected, but it's now row N+1.
   */
  remember_selected_row(GTK_CLIST(color_filters), filter_number+1, 0, NULL,
      NULL);

  filter_list = g_slist_remove(filter_list, colorf);
  filter_list = g_slist_insert(filter_list, colorf, filter_number+1);
}

/* A row was selected; remember its row number */
static void
remember_selected_row                 (GtkCList        *clist,
                                        gint             row,
                                        gint             column _U_,
                                        GdkEvent        *event _U_,
                                        gpointer         user_data _U_)
{
  GtkWidget *button;

  row_selected = row;

  /*
   * A row is selected, so we can move it up *if* it's not at the top
   * and move it down *if* it's not at the bottom.
   */
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_UP_LB);
  gtk_widget_set_sensitive (button, row > 0);
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_DOWN_LB);
  gtk_widget_set_sensitive (button, row < num_of_filters - 1);

  /*
   * A row is selected, so we can operate on it.
   */
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_EDIT_LB);
  gtk_widget_set_sensitive (button, TRUE);
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_DELETE_LB);
  gtk_widget_set_sensitive (button, TRUE);
}

/* A row was unselected; un-remember its row number */
static void
unremember_selected_row                 (GtkCList        *clist,
                                         gint             row _U_,
                                         gint             column _U_,
                                         GdkEvent        *event _U_,
                                         gpointer         user_data _U_)
{
  GtkWidget *button;

  row_selected = -1;

  /*
   * No row is selected, so we can't do operations that affect the
   * selected row.
   */
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_UP_LB);
  gtk_widget_set_sensitive (button, FALSE);
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_DOWN_LB);
  gtk_widget_set_sensitive (button, FALSE);
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_EDIT_LB);
  gtk_widget_set_sensitive (button, FALSE);
  button = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(clist),
					    COLOR_DELETE_LB);
  gtk_widget_set_sensitive (button, FALSE);
}

/* Called when the dialog box is being destroyed; destroy any edit
 * dialogs opened from this dialog, and null out the pointer to this
 * dialog.
 jjj*/
static void
color_destroy_cb                       (GtkButton       *button _U_,
                                        gpointer         user_data _U_)
{
  /* Destroy any edit dialogs we have open. */
  g_slist_foreach(filter_list, destroy_edit_dialog_cb, NULL);

  colorize_win = NULL;
}

static void
destroy_edit_dialog_cb(gpointer filter_arg, gpointer dummy _U_)
{
  color_filter_t *colorf = (color_filter_t *)filter_arg;

  if (colorf->edit_dialog != NULL)
    gtk_widget_destroy(colorf->edit_dialog);
}

/* XXX - we don't forbid having more than one "Edit color filter" dialog
   open, so these shouldn't be static. */
static GtkWidget *filt_name_entry;
static GtkWidget *filt_text_entry;

/* Create a new filter in the list, and pop up an "Edit color filter"
   dialog box to edit it. */
static void
color_new_cb                          (GtkButton       *button,
                                       gpointer         user_data _U_)
{
  color_filter_t *colorf;
  GtkWidget *color_filters;
  gchar *data[2];
  gint row;

  colorf = new_color_filter("name", "filter"); /* Adds at end! */

  color_filters = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTERS_CL);
  data[0] = colorf->filter_name;
  data[1] = colorf->filter_text;
  row = gtk_clist_append(GTK_CLIST(color_filters), data);
  gtk_clist_set_row_data(GTK_CLIST(color_filters), row, colorf);
  num_of_filters++;

  /* select the new row */
  gtk_clist_select_row(GTK_CLIST(color_filters), row, -1);
  edit_color_filter_dialog_new(color_filters, &filt_name_entry,
				&filt_text_entry);
}

/* Pop up an "Edit color filter" dialog box to edit an existing filter. */
static void
color_edit_cb                        (GtkButton       *button,
                                      gpointer         user_data _U_)
{
  GtkWidget *color_filters;

  color_filters = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTERS_CL);
  g_assert(row_selected != -1);
  edit_color_filter_dialog_new(color_filters, &filt_name_entry,
				&filt_text_entry);
}

/* Delete a color from the list. */
static void
color_delete_cb(GtkWidget *widget, gpointer user_data _U_)
{
  GtkWidget *color_filters;
  color_filter_t *colorf;

  if(row_selected != -1){
  	color_filters = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(widget),
		      COLOR_FILTERS_CL);
  	colorf = gtk_clist_get_row_data(GTK_CLIST(color_filters), row_selected);

	/* Remove this color filter from the CList displaying the
	   color filters. */
	gtk_clist_remove(GTK_CLIST(color_filters), row_selected);
	num_of_filters--;

	/* Destroy any "Edit color filter" dialog boxes editing it. */
	if (colorf->edit_dialog != NULL)
		gtk_widget_destroy(colorf->edit_dialog);

	/* Remove the color filter from the list of color filters. */
	delete_color_filter(colorf);

	/* Select the previous row, if there is one. */
	if (row_selected > 0) {
		row_selected--;
		gtk_clist_select_row(GTK_CLIST(color_filters), row_selected, 0);
	}
  }
}

/* Save color filters to the color filter file. */
static void
color_save_cb                          (GtkButton       *button _U_,
                                        gpointer         user_data _U_)
{
  if (!write_filters())
	simple_dialog(ESD_TYPE_CRIT, NULL, "Could not open filter file: %s",
	    strerror(errno));

}

/* Exit dialog and apply new list of color filters to the capture. */
static void
color_ok_cb                            (GtkButton       *button _U_,
                                        gpointer         user_data _U_)
{
  /* colorize list */
  colorize_packets(&cfile);

  /* Destroy the dialog box. */
  gtk_widget_destroy(colorize_win);
}

/* Exit dialog without colorizing packets with the new list.
   XXX - should really undo any changes to the list.... */
static void
color_cancel_cb                        (GtkWidget       *widget _U_,
                                        gpointer         user_data _U_)
{
  /* Destroy the dialog box. */
  gtk_widget_destroy(colorize_win);
}

/* Apply new list of color filters to the capture. */
static void
color_apply_cb                         (GtkButton       *button _U_,
                                        gpointer         user_data _U_)
{
  colorize_packets(&cfile);
}

/* Create an "Edit color filter" dialog for a given color filter, and
   associate it with that color filter. */
static void
edit_color_filter_dialog_new (GtkWidget *color_filters,
	GtkWidget **colorize_filter_name,
	GtkWidget **colorize_filter_text)
{
  color_filter_t *colorf;
  GtkWidget *edit_dialog;
  GtkWidget *vbox3;
  GtkWidget *hbox6;
  GtkWidget *color_filter_name;
  GtkWidget *hbox7;
  GtkWidget *add_expression_bt;
  GtkWidget *color_filter_text;
  GtkWidget *hbox5;
  GtkWidget *colorize_filter_fg;
  GtkWidget *colorize_filter_bg;
  GtkWidget *hbox4;
  GtkWidget *edit_color_filter_ok;
  GtkWidget *edit_color_filter_cancel;
  GtkTooltips *tooltips;
  GtkStyle  *style;

  colorf = gtk_clist_get_row_data(GTK_CLIST(color_filters), row_selected);
  if (colorf->edit_dialog != NULL) {
    /* There's already an edit box open for this filter; reactivate it. */
    reactivate_window(colorf->edit_dialog);
    return;
  }

  tooltips = gtk_tooltips_new ();

  edit_dialog = dlg_window_new ("Edit color filter");
  gtk_object_set_data (GTK_OBJECT (edit_dialog), "edit_dialog", edit_dialog);
  colorf->edit_dialog = edit_dialog;

  vbox3 = gtk_vbox_new (FALSE, 0);
  gtk_widget_ref (vbox3);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "vbox3", vbox3,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (vbox3);
  gtk_container_add (GTK_CONTAINER (edit_dialog), vbox3);

  hbox6 = gtk_hbox_new (FALSE, 0);
  gtk_widget_ref (hbox6);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "hbox6", hbox6,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (hbox6);
  gtk_box_pack_start (GTK_BOX (vbox3), hbox6, TRUE, FALSE, 5);

  color_filter_name = gtk_label_new (("Name: "));
  gtk_widget_ref (color_filter_name);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "color_filter_name", color_filter_name,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_filter_name);
  gtk_box_pack_start (GTK_BOX (hbox6), color_filter_name, FALSE, FALSE, 0);

  *colorize_filter_name = gtk_entry_new ();
  gtk_widget_ref (*colorize_filter_name);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "*colorize_filter_name", *colorize_filter_name,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_entry_set_text(GTK_ENTRY(*colorize_filter_name), colorf->filter_name);

  style = gtk_style_copy(gtk_widget_get_style(*colorize_filter_name));
  style->base[GTK_STATE_NORMAL] = colorf->bg_color;
  style->fg[GTK_STATE_NORMAL]   = colorf->fg_color;
  gtk_widget_set_style(*colorize_filter_name, style);

  gtk_widget_show (*colorize_filter_name);
  gtk_box_pack_start (GTK_BOX (hbox6), *colorize_filter_name, TRUE, TRUE, 0);
  gtk_tooltips_set_tip (tooltips, *colorize_filter_name, ("This is the editable name of the filter. (No @ characters allowed.)"), NULL);

  hbox7 = gtk_hbox_new (FALSE, 0);
  gtk_widget_ref (hbox7);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "hbox7", hbox7,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (hbox7);
  gtk_box_pack_start (GTK_BOX (vbox3), hbox7, TRUE, FALSE, 5);

  color_filter_text = gtk_label_new (("Filter text:"));
  gtk_widget_ref (color_filter_text);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "color_filter_text", color_filter_text,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (color_filter_text);
  gtk_box_pack_start (GTK_BOX (hbox7), color_filter_text, FALSE, FALSE, 0);

  *colorize_filter_text = gtk_entry_new ();
  gtk_widget_ref (*colorize_filter_text);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "*colorize_filter_text", *colorize_filter_text,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_entry_set_text(GTK_ENTRY(*colorize_filter_text), colorf->filter_text);


#if 0
  style = gtk_style_copy(gtk_widget_get_style(*colorize_filter_text));
  style->base[GTK_STATE_NORMAL] = colorf->bg_color;
  style->fg[GTK_STATE_NORMAL]   = colorf->fg_color;
#endif
  gtk_widget_set_style(*colorize_filter_text, style);
  gtk_widget_show (*colorize_filter_text);
  gtk_box_pack_start (GTK_BOX (hbox7), *colorize_filter_text, TRUE, TRUE, 0);
  gtk_tooltips_set_tip (tooltips, *colorize_filter_text, ("This is the editable text of the filter"), NULL);

  /* Create the "Add Expression..." button, to pop up a dialog
  for constructing filter comparison expressions. */
  add_expression_bt = gtk_button_new_with_label("Add Expression...");
  gtk_signal_connect(GTK_OBJECT(add_expression_bt), "clicked",
      GTK_SIGNAL_FUNC(filter_expr_cb), *colorize_filter_text);
  gtk_box_pack_start (GTK_BOX(hbox7), add_expression_bt, FALSE, FALSE, 3);
  gtk_widget_show(add_expression_bt);

  hbox5 = gtk_hbox_new (FALSE, 0);
  gtk_widget_ref (hbox5);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "hbox5", hbox5,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (hbox5);
  gtk_box_pack_start (GTK_BOX (vbox3), hbox5, FALSE, FALSE, 5);
  gtk_widget_set_usize (hbox5, -2, 60);

  colorize_filter_fg = gtk_button_new_with_label (("Choose \nforeground\ncolor"));
  gtk_widget_ref (colorize_filter_fg);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "colorize_filter_fg", colorize_filter_fg,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (colorize_filter_fg);
  gtk_box_pack_start (GTK_BOX (hbox5), colorize_filter_fg, TRUE, FALSE, 0);
  gtk_tooltips_set_tip (tooltips, colorize_filter_fg, ("Select color for data display"), NULL);

  colorize_filter_bg = gtk_button_new_with_label (("Choose\nbackground\ncolor"));
  gtk_widget_ref (colorize_filter_bg);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "colorize_filter_bg", colorize_filter_bg,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (colorize_filter_bg);
  gtk_box_pack_start (GTK_BOX (hbox5), colorize_filter_bg, TRUE, FALSE, 0);
  gtk_tooltips_set_tip (tooltips, colorize_filter_bg, ("Select color for data display"), NULL);

  hbox4 = gtk_hbox_new (FALSE, 0);
  gtk_widget_ref (hbox4);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "hbox4", hbox4,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (hbox4);
  gtk_box_pack_start (GTK_BOX (vbox3), hbox4, TRUE, FALSE, 5);
  gtk_widget_set_usize (hbox4, -2, 30);

  edit_color_filter_ok = gtk_button_new_with_label (("OK"));
  gtk_widget_ref (edit_color_filter_ok);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "edit_color_filter_ok", edit_color_filter_ok,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_set_usize (edit_color_filter_ok, 50, 20);
  gtk_widget_show (edit_color_filter_ok);
  gtk_box_pack_start (GTK_BOX (hbox4), edit_color_filter_ok, TRUE, FALSE, 0);
  gtk_tooltips_set_tip (tooltips, edit_color_filter_ok, ("Accept filter color change"), NULL);

  edit_color_filter_cancel = gtk_button_new_with_label (("Cancel"));
  gtk_widget_ref (edit_color_filter_cancel);
  gtk_object_set_data_full (GTK_OBJECT (edit_dialog), "edit_color_filter_cancel", edit_color_filter_cancel,
                            (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_set_usize (edit_color_filter_cancel, 50, 20);
  gtk_widget_show (edit_color_filter_cancel);
  gtk_box_pack_start (GTK_BOX (hbox4), edit_color_filter_cancel, TRUE, FALSE, 0);
  gtk_tooltips_set_tip (tooltips, edit_color_filter_cancel, ("Reject filter color change"), NULL);
  gtk_object_set_data(GTK_OBJECT (edit_dialog), COLOR_FILTER,
                      colorf);
  gtk_signal_connect (GTK_OBJECT (edit_dialog), "destroy",
                      GTK_SIGNAL_FUNC (edit_color_filter_destroy_cb),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (colorize_filter_fg), COLOR_FILTER,
                      colorf);
  gtk_signal_connect (GTK_OBJECT (colorize_filter_fg), "clicked",
                      GTK_SIGNAL_FUNC (edit_color_filter_fg_cb),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (colorize_filter_bg), COLOR_FILTER,
                      colorf);
  gtk_signal_connect (GTK_OBJECT (colorize_filter_bg), "clicked",
                      GTK_SIGNAL_FUNC (edit_color_filter_bg_cb),
                      NULL);
  gtk_object_set_data(GTK_OBJECT (edit_color_filter_ok), COLOR_FILTERS_CL,
                      color_filters);
  gtk_object_set_data(GTK_OBJECT (edit_color_filter_ok), COLOR_FILTER,
                      colorf);
  gtk_signal_connect (GTK_OBJECT (edit_color_filter_ok), "clicked",
                      GTK_SIGNAL_FUNC (edit_color_filter_ok_cb),
                      edit_dialog);
  gtk_signal_connect (GTK_OBJECT (edit_color_filter_cancel), "clicked",
                      GTK_SIGNAL_FUNC (edit_color_filter_cancel_cb),
                      edit_dialog);

  gtk_object_set_data (GTK_OBJECT (edit_dialog), "tooltips", tooltips);

  dlg_set_cancel(edit_dialog, edit_color_filter_cancel);

  gtk_widget_show (edit_dialog);
}

/* Called when the dialog box is being destroyed; destroy any color
   selection dialogs opened from this dialog, and null out the pointer
   to this dialog. */
static void
edit_color_filter_destroy_cb           (GtkObject       *object,
                                        gpointer         user_data _U_)
{
  color_filter_t *colorf;
  GtkWidget *color_sel;

  colorf = (color_filter_t *) gtk_object_get_data(GTK_OBJECT(object),
		      COLOR_FILTER);

  colorf->edit_dialog = NULL;

  /* Destroy any color selection dialogs this dialog had open. */
  color_sel = (GtkWidget *) gtk_object_get_data(object, COLOR_SELECTION_FG);
  if (color_sel != NULL)
    gtk_widget_destroy(color_sel);
  color_sel = (GtkWidget *) gtk_object_get_data(object, COLOR_SELECTION_BG);
  if (color_sel != NULL)
    gtk_widget_destroy(color_sel);
}

/* Pop up a color selection box to choose the foreground color. */
static void
edit_color_filter_fg_cb                (GtkButton       *button,
                                        gpointer         user_data _U_)
{
  color_filter_t *colorf;
  GtkWidget *color_selection_fg;

  colorf = (color_filter_t *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTER);
  /* Do we already have one open for this dialog? */
  color_selection_fg = gtk_object_get_data(GTK_OBJECT (colorf->edit_dialog),
      COLOR_SELECTION_FG);
  if (color_selection_fg != NULL) {
    /* Yes.  Just reactivate it. */
    reactivate_window(color_selection_fg);
  } else {
    /* No.  Create a new color selection box, and associate it with
       this dialog. */
    color_selection_fg = color_sel_win_new(colorf, FALSE);
    gtk_object_set_data(GTK_OBJECT (colorf->edit_dialog), COLOR_SELECTION_FG,
                      color_selection_fg);
    gtk_object_set_data(GTK_OBJECT (color_selection_fg),
		COLOR_SELECTION_PARENT, colorf->edit_dialog);
  }
}

/* Pop up a color selection box to choose the background color. */
static void
edit_color_filter_bg_cb                (GtkButton       *button,
                                        gpointer         user_data _U_)
{
  color_filter_t *colorf;
  GtkWidget *color_selection_bg;

  colorf = (color_filter_t *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTER);

  /* Do we already have one open for this dialog? */
  color_selection_bg = gtk_object_get_data(GTK_OBJECT (colorf->edit_dialog),
      COLOR_SELECTION_BG);
  if (color_selection_bg != NULL) {
    /* Yes.  Just reactivate it. */
    reactivate_window(color_selection_bg);
  } else {
    /* No.  Create a new color selection box, and associate it with
       this dialog. */
    color_selection_bg = color_sel_win_new(colorf, TRUE);
    gtk_object_set_data(GTK_OBJECT (colorf->edit_dialog), COLOR_SELECTION_BG,
                      color_selection_bg);
    gtk_object_set_data(GTK_OBJECT (color_selection_bg),
		COLOR_SELECTION_PARENT, colorf->edit_dialog);
  }
}

/* accept color (and potential content) change */
static void
edit_color_filter_ok_cb                (GtkButton       *button,
                                        gpointer         user_data)
{
  GtkWidget *dialog;
  GtkStyle *style;
  GdkColor new_fg_color;
  GdkColor new_bg_color;
  gchar *filter_name;
  gchar *filter_text;
  color_filter_t *colorf;
  dfilter_t *compiled_filter;
  GtkWidget *color_filters;

  dialog = (GtkWidget *)user_data;

  style = gtk_widget_get_style(filt_name_entry);
  new_bg_color = style->base[GTK_STATE_NORMAL];
  new_fg_color = style->fg[GTK_STATE_NORMAL];

  filter_name = g_strdup(gtk_entry_get_text(GTK_ENTRY(filt_name_entry)));
  filter_text = g_strdup(gtk_entry_get_text(GTK_ENTRY(filt_text_entry)));

  if(strchr(filter_name,'@') || strchr(filter_text,'@')){
	simple_dialog(ESD_TYPE_CRIT, NULL, "Filter names and strings must not"
	  " use the '@' character. Filter unchanged.");
	g_free(filter_name);
  	g_free(filter_text);
	return;
  }

  if(!dfilter_compile(filter_text, &compiled_filter)) {
	simple_dialog(ESD_TYPE_CRIT, NULL, "Filter \"%s\" did not compile correctly.\n"
		" Please try again. Filter unchanged.\n%s\n", filter_name,
		dfilter_error_msg);
  } else {
	color_filters = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTERS_CL);
        colorf = (color_filter_t *) gtk_object_get_data(GTK_OBJECT(button),
		      COLOR_FILTER);

	if (colorf->filter_name != NULL)
	    g_free(colorf->filter_name);
	colorf->filter_name = filter_name;
	if (colorf->filter_text != NULL)
	    g_free(colorf->filter_text);
	colorf->filter_text = filter_text;
	colorf->fg_color = new_fg_color;
	colorf->bg_color = new_bg_color;
	gtk_clist_set_foreground(GTK_CLIST(color_filters), row_selected,
	    &new_fg_color);
	gtk_clist_set_background(GTK_CLIST(color_filters), row_selected,
	    &new_bg_color);
	if(colorf->c_colorfilter != NULL)
	    dfilter_free(colorf->c_colorfilter);
	colorf->c_colorfilter = compiled_filter;
	/* gtk_clist_set_text frees old text (if any) and allocates new space */
	gtk_clist_set_text(GTK_CLIST(color_filters), row_selected, 0,
	    filter_name);
	gtk_clist_set_text(GTK_CLIST(color_filters), row_selected, 1,
	    filter_text);

	/* Destroy the dialog box. */
	gtk_widget_destroy(dialog);
  }
}

/* Exit dialog and do not process list */
static void
edit_color_filter_cancel_cb            (GtkObject       *object _U_,
                                        gpointer         user_data)
{
  GtkWidget *dialog;

  dialog = (GtkWidget *)user_data;

  /* Destroy the dialog box. */
  gtk_widget_destroy(dialog);
}

static GtkWidget*
color_sel_win_new(color_filter_t *colorf, gboolean is_bg)
{
  gint title_len;
  gchar *title;
  static const gchar fg_title_format[] = "Choose foreground color for \"%s\"";
  static const gchar bg_title_format[] = "Choose background color for \"%s\"";
  GtkWidget *color_sel_win;
  GdkColor *color;
  GtkWidget *color_sel_ok;
  GtkWidget *color_sel_cancel;
  GtkWidget *color_sel_help;

  if (is_bg) {
    color = &colorf->bg_color;
    title_len = strlen(bg_title_format) + strlen(colorf->filter_name);
    title = g_malloc(title_len + 1);
    sprintf(title, bg_title_format, colorf->filter_name);
  } else {
    color = &colorf->fg_color;
    title_len = strlen(fg_title_format) + strlen(colorf->filter_name);
    title = g_malloc(title_len + 1);
    sprintf(title, fg_title_format, colorf->filter_name);
  }
  color_sel_win = gtk_color_selection_dialog_new(title);
  g_free(title);
  gtk_object_set_data (GTK_OBJECT (color_sel_win), "color_sel_win", color_sel_win);
  gtk_container_set_border_width (GTK_CONTAINER (color_sel_win), 10);

  if (color != NULL) {
    gdouble cols[3];

    cols[0] = (gdouble)color->red / 65536.0;
    cols[1] = (gdouble)color->green / 65536.0;
    cols[2] = (gdouble)color->blue / 65536.0;

    gtk_color_selection_set_color(
		    GTK_COLOR_SELECTION(
			    GTK_COLOR_SELECTION_DIALOG(color_sel_win)->colorsel), cols);
  }

  color_sel_ok = GTK_COLOR_SELECTION_DIALOG (color_sel_win)->ok_button;
  gtk_object_set_data (GTK_OBJECT (color_sel_win), "color_sel_ok", color_sel_ok);
  gtk_widget_show (color_sel_ok);
  GTK_WIDGET_SET_FLAGS (color_sel_ok, GTK_CAN_DEFAULT);

  color_sel_cancel = GTK_COLOR_SELECTION_DIALOG (color_sel_win)->cancel_button;
  gtk_object_set_data (GTK_OBJECT (color_sel_win), "color_sel_cancel", color_sel_cancel);
  gtk_widget_show (color_sel_cancel);
  GTK_WIDGET_SET_FLAGS (color_sel_cancel, GTK_CAN_DEFAULT);


  color_sel_help = GTK_COLOR_SELECTION_DIALOG (color_sel_win)->help_button;
  gtk_object_set_data (GTK_OBJECT (color_sel_win), "color_sel_help", color_sel_help);
  gtk_widget_show (color_sel_help);


  GTK_WIDGET_SET_FLAGS (color_sel_help, GTK_CAN_DEFAULT);
  gtk_signal_connect (GTK_OBJECT (color_sel_win), "destroy",
                      GTK_SIGNAL_FUNC (color_sel_cancel_cb),
                      color_sel_win);

  gtk_signal_connect (GTK_OBJECT (color_sel_ok), "clicked",
                      GTK_SIGNAL_FUNC (color_sel_ok_cb),
                      color_sel_win);
  gtk_signal_connect (GTK_OBJECT (color_sel_cancel), "clicked",
                      GTK_SIGNAL_FUNC (color_sel_cancel_cb),
                      color_sel_win);

  gtk_widget_show(color_sel_win);
  return color_sel_win;
}

static void
color_sel_win_destroy(GtkWidget *sel_win)
{
  GtkWidget *parent;
  GtkWidget *color_selection_fg, *color_selection_bg;

  /* Find the "Edit color filter" dialog box with which this is associated. */
  parent = (GtkWidget *)gtk_object_get_data(GTK_OBJECT (sel_win),
      COLOR_SELECTION_PARENT);

  /* Find that dialog box's foreground and background color selection
     boxes, if any. */
  color_selection_fg = gtk_object_get_data(GTK_OBJECT (parent),
      COLOR_SELECTION_FG);
  color_selection_bg = gtk_object_get_data(GTK_OBJECT (parent),
      COLOR_SELECTION_BG);

  if (sel_win == color_selection_fg) {
    /* This was its foreground color selection box; it isn't, anymore. */
    gtk_object_set_data(GTK_OBJECT (parent), COLOR_SELECTION_FG, NULL);
  }
  if (sel_win == color_selection_bg) {
    /* This was its background color selection box; it isn't, anymore. */
    gtk_object_set_data(GTK_OBJECT (parent), COLOR_SELECTION_BG, NULL);
  }

  /* Now destroy it. */
  gtk_widget_destroy(sel_win);
}

/* Retrieve selected color */
static void
color_sel_ok_cb                        (GtkButton       *button _U_,
                                        gpointer         user_data)
{
  GdkColor new_color; /* Color from color selection dialog */
  gdouble new_colors[3];
  GtkWidget *color_dialog;
  GtkStyle  *style;
  GtkWidget *parent;
  GtkWidget *color_selection_fg, *color_selection_bg;
  gboolean is_bg;

  color_dialog = (GtkWidget *)user_data;

  gtk_color_selection_get_color(GTK_COLOR_SELECTION(
   GTK_COLOR_SELECTION_DIALOG(color_dialog)->colorsel), new_colors);

  new_color.red   = (guint16)(new_colors[0]*65535.0);
  new_color.green = (guint16)(new_colors[1]*65535.0);
  new_color.blue  = (guint16)(new_colors[2]*65535.0);

  if ( ! get_color(&new_color) ){
	simple_dialog(ESD_TYPE_CRIT, NULL, "Could not allocate color.  Try again.");
  } else {
	/* Find the "Edit color filter" dialog box with which this is
	   associated. */
	parent = (GtkWidget *)gtk_object_get_data(GTK_OBJECT (color_dialog),
	      COLOR_SELECTION_PARENT);

	/* Find that dialog box's foreground and background color selection
	   boxes, if any. */
	color_selection_fg = gtk_object_get_data(GTK_OBJECT (parent),
	      COLOR_SELECTION_FG);
	color_selection_bg = gtk_object_get_data(GTK_OBJECT (parent),
	      COLOR_SELECTION_BG);
	is_bg = (color_dialog == color_selection_bg);

	color_sel_win_destroy(color_dialog);

	/* now apply the change to the fore/background */

	style = gtk_style_copy(gtk_widget_get_style(filt_name_entry));
	if (is_bg)
	  style->base[GTK_STATE_NORMAL] = new_color;
	else
	  style->fg[GTK_STATE_NORMAL] = new_color;
	gtk_widget_set_style(filt_name_entry, style);
	gtk_widget_set_style(filt_text_entry, style);
  }
}

/* Don't choose the selected color as the foreground or background
   color for the filter. */
static void
color_sel_cancel_cb                    (GtkObject       *object _U_,
                                        gpointer         user_data)
{
  GtkWidget *color_dialog;
  color_dialog = (GtkWidget *)user_data;
  /* nothing to change here.  Just get rid of the dialog box. */

  color_sel_win_destroy(color_dialog);
}