Move gtk to ui/gtk.

This looses the last checkin to gtk, will add this manually back.

svn path=/trunk/; revision=40518

1 files changed, 787 insertions, 0 deletions

diff --git a/ui/gtk/find_dlg.c b/ui/gtk/find_dlg.c
new file mode 100644
index 0000000000..c690f16dab
--- /dev/null
+++ b/ui/gtk/find_dlg.c
@@ -0,0 +1,787 @@
+/* find_dlg.c
+ * Routines for "find frame" window
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * 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 <string.h>
+#include <ctype.h>
+
+#include <gtk/gtk.h>
+
+#include <epan/proto.h>
+#include <epan/dfilter/dfilter.h>
+#include <epan/strutil.h>
+#include <epan/prefs.h>
+
+#include "../globals.h"
+#include "../alert_box.h"
+#include "../simple_dialog.h"
+#include "../main_statusbar.h"
+
+#include "ui/gtk/gui_utils.h"
+#include "ui/gtk/find_dlg.h"
+#include "ui/gtk/filter_dlg.h"
+#include "ui/gtk/dlg_utils.h"
+#include "ui/gtk/stock_icons.h"
+#include "ui/gtk/prefs_dlg.h"
+#include "ui/gtk/keys.h"
+#include "ui/gtk/help_dlg.h"
+#include "ui/gtk/filter_autocomplete.h"
+#include "ui/gtk/old-gtk-compat.h"
+
+/* Capture callback data keys */
+#define E_FIND_FILT_KEY       "find_filter_te"
+#define E_FIND_BACKWARD_KEY   "find_backward"
+#define E_FIND_HEXDATA_KEY    "find_hex"
+#define E_FIND_STRINGDATA_KEY "find_string"
+#define E_FIND_FILTERDATA_KEY "find_filter"
+#define E_FIND_STRINGTYPE_KEY "find_string_type"
+#define E_FIND_STRINGTYPE_LABEL_KEY "find_string_type_label"
+#define E_CASE_SEARCH_KEY     "case_insensitive_search"
+#define E_SOURCE_DATA_KEY     "packet_data_source"
+#define E_SOURCE_DECODE_KEY   "decode_data_source"
+#define E_SOURCE_SUMMARY_KEY  "summary_data_source"
+#define E_FILT_TE_BUTTON_KEY  "find_filter_button"
+
+static gboolean case_type = TRUE;
+static gboolean summary_data = FALSE;
+static gboolean decode_data = FALSE;
+static gboolean packet_data = FALSE;
+
+static void
+find_filter_te_syntax_check_cb(GtkWidget *w, gpointer parent_w);
+
+static void
+find_frame_ok_cb(GtkWidget *ok_bt, gpointer parent_w);
+
+static void
+find_frame_close_cb(GtkWidget *close_bt, gpointer parent_w);
+
+static void
+find_frame_destroy_cb(GtkWidget *win, gpointer user_data);
+
+static void
+hex_selected_cb(GtkWidget *button_rb _U_, gpointer parent_w);
+
+static void
+string_selected_cb(GtkWidget *button_rb _U_, gpointer parent_w);
+
+static void
+filter_selected_cb(GtkWidget *button_rb _U_, gpointer parent_w);
+
+/*
+ * Keep a static pointer to the current "Find Packet" window, if any, so
+ * that if somebody tries to do "Find Packet" while there's already a
+ * "Find Packet" window up, we just pop up the existing one, rather than
+ * creating a new one.
+ */
+static GtkWidget *find_frame_w;
+static GtkWidget *filter_text_box;
+
+/*
+ * Save the presskey handlers to be able to dissable the auto-completion
+ * feature for hex and string searches.
+ */
+static gulong te_presskey_handler_id;
+static gulong win_presskey_handler_id;
+
+void
+find_frame_cb(GtkWidget *w _U_, gpointer d _U_)
+{
+  GtkWidget     *main_vb, *main_find_hb, *main_options_hb,
+
+                *find_type_frame, *find_type_vb,
+                *find_type_hb, *find_type_lb, *hex_rb, *string_rb, *filter_rb,
+                *filter_hb, *filter_bt,
+
+                *direction_frame, *direction_vb,
+                *up_rb, *down_rb,
+
+                *data_frame, *data_vb,
+                *packet_data_rb, *decode_data_rb, *summary_data_rb,
+
+                *string_opt_frame, *string_opt_vb,
+                *case_cb, *combo_lb, *combo_cb,
+
+                *bbox, *ok_bt, *cancel_bt, *help_bt;
+
+
+  /* No Apply button, but "OK" not only sets our text widget, it
+     activates it (i.e., it causes us to do the search). */
+  static construct_args_t args = {
+  	"Wireshark: Search Filter",
+  	FALSE,
+  	TRUE,
+    FALSE
+  };
+
+  if (find_frame_w != NULL) {
+    /* There's already a "Find Packet" dialog box; reactivate it. */
+    reactivate_window(find_frame_w);
+    return;
+  }
+
+  find_frame_w = dlg_window_new("Wireshark: Find Packet");
+
+  /* Container for each row of widgets */
+  main_vb = gtk_vbox_new(FALSE, 3);
+  gtk_container_set_border_width(GTK_CONTAINER(main_vb), 5);
+  gtk_container_add(GTK_CONTAINER(find_frame_w), main_vb);
+  gtk_widget_show(main_vb);
+
+
+  /* */
+  main_find_hb = gtk_hbox_new(FALSE, 3);
+  gtk_container_add(GTK_CONTAINER(main_vb), main_find_hb);
+  gtk_widget_show(main_find_hb);
+
+
+  /* find frame */
+  find_type_frame = gtk_frame_new("Find");
+  gtk_box_pack_start(GTK_BOX(main_find_hb), find_type_frame, TRUE, TRUE, 0);
+  gtk_widget_show(find_type_frame);
+
+  find_type_vb = gtk_vbox_new(FALSE, 3);
+  gtk_container_set_border_width(GTK_CONTAINER(find_type_vb), 3);
+  gtk_container_add(GTK_CONTAINER(find_type_frame), find_type_vb);
+  gtk_widget_show(find_type_vb);
+
+  /* find type row */
+  find_type_hb = gtk_hbox_new(FALSE, 3);
+  gtk_container_add(GTK_CONTAINER(find_type_vb), find_type_hb);
+  gtk_widget_show(find_type_hb);
+
+  find_type_lb = gtk_label_new("By:");
+  gtk_box_pack_start(GTK_BOX(find_type_hb), find_type_lb, FALSE, FALSE, 0);
+  gtk_widget_show(find_type_lb);
+
+  /* Filter */
+  filter_rb = gtk_radio_button_new_with_mnemonic_from_widget(NULL, "_Display filter");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(filter_rb), !cfile.hex && !cfile.string);
+  gtk_box_pack_start(GTK_BOX(find_type_hb), filter_rb, FALSE, FALSE, 0);
+  gtk_widget_set_tooltip_text(filter_rb, "Search for data by display filter syntax.\ne.g. ip.addr==10.1.1.1");
+  gtk_widget_show(filter_rb);
+
+  /* Hex */
+  hex_rb = gtk_radio_button_new_with_mnemonic_from_widget(GTK_RADIO_BUTTON(filter_rb), "_Hex value");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(hex_rb), cfile.hex);
+  gtk_box_pack_start(GTK_BOX(find_type_hb), hex_rb, FALSE, FALSE, 0);
+  gtk_widget_set_tooltip_text(hex_rb, "Search for data by hex string.\ne.g. fffffda5");
+  gtk_widget_show(hex_rb);
+
+  /* ASCII Search */
+  string_rb = gtk_radio_button_new_with_mnemonic_from_widget(GTK_RADIO_BUTTON(filter_rb), "_String");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(string_rb), cfile.string);
+  gtk_box_pack_start(GTK_BOX(find_type_hb), string_rb, FALSE, FALSE, 0);
+  gtk_widget_set_tooltip_text(string_rb, "Search for data by string value.\ne.g. My String");
+  gtk_widget_show(string_rb);
+
+  /* Filter row */
+  filter_hb = gtk_hbox_new(FALSE, 3);
+  gtk_box_pack_start(GTK_BOX(find_type_vb), filter_hb, FALSE, FALSE, 0);
+  gtk_widget_show(filter_hb);
+
+  filter_bt = gtk_button_new_from_stock(WIRESHARK_STOCK_DISPLAY_FILTER_ENTRY);
+  g_signal_connect(filter_bt, "clicked", G_CALLBACK(display_filter_construct_cb), &args);
+  g_signal_connect(filter_bt, "destroy", G_CALLBACK(filter_button_destroy_cb), NULL);
+  g_object_set_data(G_OBJECT(filter_bt), E_FILT_TE_BUTTON_KEY, filter_bt);
+  gtk_box_pack_start(GTK_BOX(filter_hb), filter_bt, FALSE, TRUE, 0);
+  gtk_widget_set_tooltip_text(filter_bt, "Click on the filter button to select a display filter,\nor enter your search criteria into the text box");
+  gtk_widget_show(filter_bt);
+
+  filter_text_box = gtk_entry_new();
+  if (cfile.sfilter) gtk_entry_set_text(GTK_ENTRY(filter_text_box), cfile.sfilter);
+  g_object_set_data(G_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_text_box);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FILT_TE_PTR_KEY, filter_text_box);
+  gtk_box_pack_start(GTK_BOX(filter_hb), filter_text_box, TRUE, TRUE, 0);
+  g_signal_connect(filter_text_box, "changed", G_CALLBACK(find_filter_te_syntax_check_cb), find_frame_w);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FILT_AUTOCOMP_PTR_KEY, NULL);
+  te_presskey_handler_id = g_signal_connect(filter_text_box, "key-press-event", G_CALLBACK (filter_string_te_key_pressed_cb), NULL);
+  win_presskey_handler_id = g_signal_connect(find_frame_w, "key-press-event", G_CALLBACK (filter_parent_dlg_key_pressed_cb), NULL);
+  gtk_widget_show(filter_text_box);
+
+
+  /* */
+  main_options_hb = gtk_hbox_new(FALSE, 3);
+  gtk_container_add(GTK_CONTAINER(main_vb), main_options_hb);
+  gtk_widget_show(main_options_hb);
+
+
+  /* search in frame */
+  data_frame = gtk_frame_new("Search In");
+  gtk_box_pack_start(GTK_BOX(main_options_hb), data_frame, TRUE, TRUE, 0);
+  gtk_widget_show(data_frame);
+
+  /* search in row */
+  data_vb = gtk_vbox_new(TRUE, 0);
+  gtk_container_set_border_width(GTK_CONTAINER(data_vb), 3);
+  gtk_container_add(GTK_CONTAINER(data_frame), data_vb);
+  gtk_widget_show(data_vb);
+
+  /* Packet list */
+  summary_data_rb = gtk_radio_button_new_with_mnemonic_from_widget(NULL, "Packet list");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(summary_data_rb), summary_data);
+  gtk_box_pack_start(GTK_BOX(data_vb), summary_data_rb, TRUE, TRUE, 0);
+  gtk_widget_set_tooltip_text(summary_data_rb, "Search for string in the Info column of the packet summary (summary pane)");
+  gtk_widget_show(summary_data_rb);
+
+  /* Packet details */
+  decode_data_rb = gtk_radio_button_new_with_mnemonic_from_widget(GTK_RADIO_BUTTON(summary_data_rb), "Packet details");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(decode_data_rb), decode_data);
+  gtk_box_pack_start(GTK_BOX(data_vb), decode_data_rb, TRUE, TRUE, 0);
+  gtk_widget_set_tooltip_text(decode_data_rb, "Search for string among the decoded packet display labels (tree view pane)");
+  gtk_widget_show(decode_data_rb);
+
+  /* Packet bytes */
+  packet_data_rb = gtk_radio_button_new_with_mnemonic_from_widget(GTK_RADIO_BUTTON(summary_data_rb), "Packet bytes");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(packet_data_rb), packet_data);
+  gtk_box_pack_start(GTK_BOX(data_vb), packet_data_rb, TRUE, TRUE, 0);
+  gtk_widget_set_tooltip_text(packet_data_rb, "Search for string in the ASCII-converted packet data (hex view pane)");
+  gtk_widget_show(packet_data_rb);
+
+  /* string options frame */
+  string_opt_frame = gtk_frame_new("String Options");
+  gtk_box_pack_start(GTK_BOX(main_options_hb), string_opt_frame, TRUE, TRUE, 0);
+  gtk_widget_show(string_opt_frame);
+
+  string_opt_vb = gtk_vbox_new(FALSE, 0);
+  gtk_container_add(GTK_CONTAINER(string_opt_frame), string_opt_vb);
+  gtk_container_set_border_width(GTK_CONTAINER(string_opt_vb), 3);
+  gtk_widget_show(string_opt_vb);
+
+  case_cb = gtk_check_button_new_with_mnemonic("Case sensitive");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(case_cb), !case_type);
+  gtk_container_add(GTK_CONTAINER(string_opt_vb), case_cb);
+  gtk_widget_set_tooltip_text(case_cb, "Search by mixed upper/lower case?");
+  gtk_widget_show(case_cb);
+
+  combo_lb = gtk_label_new("Character set:");
+  gtk_container_add(GTK_CONTAINER(string_opt_vb), combo_lb);
+  gtk_misc_set_alignment(GTK_MISC(combo_lb), 0.0f, 0.5f);
+  gtk_widget_show(combo_lb);
+
+  /* Character Type Selection Dropdown Box
+     These only apply to the string find option */
+  /* Create Combo Box */
+
+  combo_cb = gtk_combo_box_text_new();
+
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(combo_cb), "ASCII Unicode & Non-Unicode");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(combo_cb), "ASCII Non-Unicode");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(combo_cb), "ASCII Unicode");
+
+  gtk_combo_box_set_active(GTK_COMBO_BOX(combo_cb),0);
+  gtk_container_add(GTK_CONTAINER(string_opt_vb), combo_cb);
+
+  gtk_widget_show(combo_cb);
+
+
+  /* direction frame */
+  direction_frame = gtk_frame_new("Direction");
+  gtk_box_pack_start(GTK_BOX(main_options_hb), direction_frame, FALSE, FALSE, 0);
+  gtk_widget_show(direction_frame);
+
+  /* Direction row: Forward and reverse radio buttons */
+  direction_vb = gtk_vbox_new(FALSE, 0);
+  gtk_container_set_border_width(GTK_CONTAINER(direction_vb), 3);
+  gtk_container_add(GTK_CONTAINER(direction_frame), direction_vb);
+  gtk_widget_show(direction_vb);
+
+  up_rb = gtk_radio_button_new_with_mnemonic_from_widget(NULL, "_Up");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(up_rb), cfile.dir == SD_BACKWARD);
+  gtk_box_pack_start(GTK_BOX(direction_vb), up_rb, FALSE, FALSE, 0);
+  gtk_widget_show(up_rb);
+
+  down_rb = gtk_radio_button_new_with_mnemonic_from_widget(GTK_RADIO_BUTTON(up_rb), "_Down");
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(down_rb), cfile.dir == SD_FORWARD);
+  gtk_box_pack_start(GTK_BOX(direction_vb), down_rb, FALSE, FALSE, 0);
+  gtk_widget_show(down_rb);
+
+
+  /* Button row */
+  bbox = dlg_button_row_new(GTK_STOCK_FIND, GTK_STOCK_CANCEL, GTK_STOCK_HELP, NULL);
+  gtk_box_pack_start(GTK_BOX(main_vb), bbox, FALSE, FALSE, 0);
+  gtk_widget_show(bbox);
+
+  ok_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_FIND);
+  g_signal_connect(ok_bt, "clicked", G_CALLBACK(find_frame_ok_cb), find_frame_w);
+
+  cancel_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CANCEL);
+  g_signal_connect(cancel_bt, "clicked", G_CALLBACK(find_frame_close_cb), find_frame_w);
+
+  help_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
+  g_signal_connect(help_bt, "clicked", G_CALLBACK(topic_cb), (gpointer)HELP_FIND_DIALOG);
+
+  /* Attach pointers to needed widgets to the capture prefs window/object */
+  g_object_set_data(G_OBJECT(find_frame_w), E_FIND_FILT_KEY, filter_text_box);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FIND_BACKWARD_KEY, up_rb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FIND_FILTERDATA_KEY, filter_rb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FIND_HEXDATA_KEY, hex_rb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FIND_STRINGDATA_KEY, string_rb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FIND_STRINGTYPE_LABEL_KEY, combo_lb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FIND_STRINGTYPE_KEY, combo_cb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_CASE_SEARCH_KEY, case_cb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_SOURCE_DATA_KEY, packet_data_rb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_SOURCE_DECODE_KEY, decode_data_rb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_SOURCE_SUMMARY_KEY, summary_data_rb);
+  g_object_set_data(G_OBJECT(find_frame_w), E_FILT_TE_BUTTON_KEY, filter_bt);
+
+  /*
+   * Now that we've attached the pointers, connect the signals - if
+   * we do so before we've attached the pointers, the signals may
+   * be delivered before the pointers are attached; the signal
+   * handlers expect the pointers to be attached, and won't be happy.
+   */
+  g_signal_connect(hex_rb, "clicked", G_CALLBACK(hex_selected_cb), find_frame_w);
+  g_signal_connect(string_rb, "clicked", G_CALLBACK(string_selected_cb), find_frame_w);
+  g_signal_connect(filter_rb, "clicked", G_CALLBACK(filter_selected_cb), find_frame_w);
+
+  string_selected_cb(NULL, find_frame_w);
+  filter_selected_cb(NULL, find_frame_w);
+
+  window_set_cancel_button(find_frame_w, cancel_bt, window_cancel_button_cb);
+
+  gtk_widget_grab_default(ok_bt);
+
+  /* Catch the "activate" signal on the filter text entry, so that
+     if the user types Return there, we act as if the "OK" button
+     had been selected, as happens if Return is typed if some widget
+     that *doesn't* handle the Return key has the input focus. */
+  dlg_set_activate(filter_text_box, ok_bt);
+
+  /* Give the initial focus to the "Filter" entry box. */
+  gtk_widget_grab_focus(filter_text_box);
+
+  g_signal_connect(find_frame_w, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
+  g_signal_connect(find_frame_w, "destroy", G_CALLBACK(find_frame_destroy_cb), NULL);
+
+  gtk_widget_show(find_frame_w);
+  window_present(find_frame_w);
+}
+
+/* this function opens the find frame dialogue and sets the filter string */
+void
+find_frame_with_filter(char *filter)
+{
+	find_frame_cb(NULL, NULL);
+	gtk_entry_set_text(GTK_ENTRY(filter_text_box), filter);
+}
+
+/*
+ * Check the filter syntax based on the type of search we're doing.
+ */
+static void
+find_filter_te_syntax_check_cb(GtkWidget *w, gpointer parent_w)
+{
+  const gchar     *strval;
+  GtkWidget       *hex_rb, *string_rb;
+  guint8          *bytes = NULL;
+  size_t           nbytes;
+
+  hex_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_HEXDATA_KEY);
+  string_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_STRINGDATA_KEY);
+
+  if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (hex_rb))) {
+    /*
+     * Hex search - scan the search string to make sure it's valid hex.
+     */
+    strval = gtk_entry_get_text(GTK_ENTRY(w));
+    if (strval == NULL) {
+      /* XXX - can this happen? */
+      colorize_filter_te_as_invalid(w);
+    } else {
+      bytes = convert_string_to_hex(strval, &nbytes);
+      if (bytes == NULL)
+        colorize_filter_te_as_invalid(w);
+      else {
+        g_free(bytes);
+        colorize_filter_te_as_valid(w);
+      }
+    }
+  } else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (string_rb))) {
+    /*
+     * String search.  Make sure the string isn't empty.
+     */
+    strval = gtk_entry_get_text(GTK_ENTRY(w));
+    if (strval == NULL) {
+      /* XXX - can this happen? */
+      colorize_filter_te_as_invalid(w);
+    } else {
+      if (strcmp(strval, "") == 0)
+        colorize_filter_te_as_invalid(w);
+      else
+        colorize_filter_te_as_valid(w);
+    }
+  } else {
+    /*
+     * Display filter search; check it with "filter_te_syntax_check_cb()".
+     */
+      filter_te_syntax_check_cb(w, NULL);
+  }
+}
+
+/*
+ *  This function will re-check the search text syntax.
+ */
+static void
+hex_selected_cb(GtkWidget *button_rb _U_, gpointer parent_w)
+{
+    GtkWidget   *filter_tb, *hex_rb;
+
+    filter_tb = (GtkWidget *) g_object_get_data(G_OBJECT(parent_w), E_FILT_TE_PTR_KEY);
+    hex_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_HEXDATA_KEY);
+
+    /* Disable AutoCompletion feature */
+    if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(hex_rb)) && g_signal_handler_is_connected(filter_tb, te_presskey_handler_id)) {
+      g_signal_handler_disconnect(filter_tb, te_presskey_handler_id);
+      g_signal_handler_disconnect(parent_w, win_presskey_handler_id);
+    }
+
+    /* Re-check the display filter. */
+    find_filter_te_syntax_check_cb(filter_tb, parent_w);
+    return;
+}
+
+/*
+ *  This function will disable the string options until
+ *  the string search is selected.
+ */
+static void
+string_selected_cb(GtkWidget *button_rb _U_, gpointer parent_w)
+{
+    GtkWidget   *string_rb, *packet_data_rb, *decode_data_rb, *summary_data_rb,
+                *data_combo_lb, *data_combo_cb, *data_case_cb, *filter_tb;
+
+    string_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_STRINGDATA_KEY);
+    packet_data_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_SOURCE_DATA_KEY);
+    decode_data_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_SOURCE_DECODE_KEY);
+    summary_data_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_SOURCE_SUMMARY_KEY);
+
+    data_combo_lb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_STRINGTYPE_LABEL_KEY);
+    data_combo_cb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_STRINGTYPE_KEY);
+    data_case_cb = (GtkWidget *) g_object_get_data(G_OBJECT(parent_w), E_CASE_SEARCH_KEY);
+    filter_tb = (GtkWidget *) g_object_get_data(G_OBJECT(parent_w), E_FILT_TE_PTR_KEY);
+
+    if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(string_rb))) {
+        gtk_widget_set_sensitive(GTK_WIDGET(packet_data_rb), TRUE);
+        gtk_widget_set_sensitive(GTK_WIDGET(decode_data_rb), TRUE);
+        gtk_widget_set_sensitive(GTK_WIDGET(summary_data_rb), TRUE);
+        gtk_widget_set_sensitive(GTK_WIDGET(data_combo_lb), TRUE);
+        gtk_widget_set_sensitive(GTK_WIDGET(data_combo_cb), TRUE);
+        gtk_widget_set_sensitive(GTK_WIDGET(data_case_cb), TRUE);
+
+	/* Disable AutoCompletion feature */
+	if(g_signal_handler_is_connected(filter_tb, te_presskey_handler_id)) {
+	  g_signal_handler_disconnect(filter_tb, te_presskey_handler_id);
+	  g_signal_handler_disconnect(parent_w, win_presskey_handler_id);
+	}
+
+    } else {
+        gtk_widget_set_sensitive(GTK_WIDGET(packet_data_rb), FALSE);
+        gtk_widget_set_sensitive(GTK_WIDGET(decode_data_rb), FALSE);
+        gtk_widget_set_sensitive(GTK_WIDGET(summary_data_rb), FALSE);
+        gtk_widget_set_sensitive(GTK_WIDGET(data_combo_lb), FALSE);
+        gtk_widget_set_sensitive(GTK_WIDGET(data_combo_cb), FALSE);
+        gtk_widget_set_sensitive(GTK_WIDGET(data_case_cb), FALSE);
+    }
+    /* Re-check the display filter. */
+    find_filter_te_syntax_check_cb(filter_tb, parent_w);
+    return;
+}
+
+/*
+ *  This function will disable the filter button until
+ *  the filter search is selected.
+ */
+static void
+filter_selected_cb(GtkWidget *button_rb _U_, gpointer parent_w)
+{
+    GtkWidget   *filter_bt, *filter_rb, *filter_te;
+
+    filter_bt = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FILT_TE_BUTTON_KEY);
+    filter_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_FILTERDATA_KEY);
+    filter_te = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FILT_TE_PTR_KEY);
+
+    if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(filter_rb)))
+    {
+        gtk_widget_set_sensitive(GTK_WIDGET(filter_bt), TRUE);
+	/* Enable AutoCompletion feature */
+	if(!g_signal_handler_is_connected(filter_te, te_presskey_handler_id)) {
+	  te_presskey_handler_id = g_signal_connect(filter_te, "key-press-event", G_CALLBACK (filter_string_te_key_pressed_cb), NULL);
+	  win_presskey_handler_id = g_signal_connect(parent_w, "key-press-event", G_CALLBACK (filter_parent_dlg_key_pressed_cb), NULL);
+	}
+    }
+    else
+    {
+        gtk_widget_set_sensitive(GTK_WIDGET(filter_bt), FALSE);
+    }
+    return;
+}
+
+static void
+find_frame_ok_cb(GtkWidget *ok_bt _U_, gpointer parent_w)
+{
+  GtkWidget       *filter_te, *up_rb, *hex_rb, *string_rb, *combo_cb,
+                  *case_cb, *packet_data_rb, *decode_data_rb, *summary_data_rb;
+  const gchar     *filter_text;
+  search_charset_t scs_type = SCS_ASCII_AND_UNICODE;
+  guint8          *bytes = NULL;
+  size_t           nbytes = 0;
+  char            *string = NULL;
+  dfilter_t       *sfcode = NULL;
+  gboolean         found_packet=FALSE;
+  gboolean         hex_search;
+  gboolean         string_search;
+  int		   string_type;
+
+  filter_te = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_FILT_KEY);
+  up_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_BACKWARD_KEY);
+  hex_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_HEXDATA_KEY);
+  string_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_STRINGDATA_KEY);
+  combo_cb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_FIND_STRINGTYPE_KEY);
+  case_cb = (GtkWidget *) g_object_get_data(G_OBJECT(parent_w), E_CASE_SEARCH_KEY);
+  packet_data_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_SOURCE_DATA_KEY);
+  decode_data_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_SOURCE_DECODE_KEY);
+  summary_data_rb = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_SOURCE_SUMMARY_KEY);
+
+  filter_text = gtk_entry_get_text(GTK_ENTRY(filter_te));
+
+  /* Corresponds to the enum in file.c
+   * Character set for text search.
+   * typedef enum {
+   *   SCS_ASCII_AND_UNICODE,
+   *   SCS_ASCII,
+   *   SCS_UNICODE
+   *   / * add EBCDIC when it's implemented * /
+   * } search_charset_t;
+   */
+  string_type = gtk_combo_box_get_active (GTK_COMBO_BOX(combo_cb));
+
+  case_type     = !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(case_cb));
+  packet_data   =  gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(packet_data_rb));
+  decode_data   =  gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(decode_data_rb));
+  summary_data  =  gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(summary_data_rb));
+  hex_search    =  gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (hex_rb));
+  string_search =  gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (string_rb));
+  /*
+   * Process the search criterion.
+   */
+  if (hex_search) {
+    /*
+     * Hex search - scan the search string to make sure it's valid hex
+     * and to find out how many bytes there are.
+     */
+    bytes = convert_string_to_hex(filter_text, &nbytes);
+    if (bytes == NULL) {
+      statusbar_push_temporary_msg("That's not a valid hex string.");
+      return;
+    }
+  } else if (string_search) {
+    /*
+     * String search.
+     * Make sure we're searching for something, first.
+     */
+    if (strcmp(filter_text, "") == 0) {
+      statusbar_push_temporary_msg("You didn't specify any text for which to search.");
+      return;
+    }
+
+    /*
+     * We are - get the character set type.
+     */
+    if (string_type == SCS_ASCII_AND_UNICODE)
+      scs_type = SCS_ASCII_AND_UNICODE;
+    else if (string_type == SCS_ASCII)
+      scs_type = SCS_ASCII;
+    else if (string_type == SCS_UNICODE)
+      scs_type = SCS_UNICODE;
+    else {
+      statusbar_push_temporary_msg("You didn't choose a valid character set.");
+      return;
+    }
+    string = convert_string_case(filter_text, case_type);
+  } else {
+    /*
+     * Display filter search - try to compile the filter.
+     */
+    if (!dfilter_compile(filter_text, &sfcode)) {
+      /* The attempt failed; report an error. */
+      bad_dfilter_alert_box(filter_text);
+      return;
+    }
+
+    /* Was it empty? */
+    if (sfcode == NULL) {
+      /* Yes - complain. */
+      statusbar_push_temporary_msg("That filter doesn't test anything.");
+      return;
+    }
+  }
+
+  /*
+   * Remember the search parameters.
+   */
+  g_free(cfile.sfilter);
+  cfile.sfilter = g_strdup(filter_text);
+  cfile.dir          = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (up_rb)) ? SD_BACKWARD : SD_FORWARD;
+  cfile.hex          = hex_search;
+  cfile.string       = string_search;
+  cfile.scs_type     = scs_type;
+  cfile.case_type    = case_type;
+  cfile.packet_data  = packet_data;
+  cfile.decode_data  = decode_data;
+  cfile.summary_data = summary_data;
+
+  if (cfile.hex) {
+    /* Hex value in packet data */
+    found_packet = cf_find_packet_data(&cfile, bytes, nbytes, cfile.dir);
+    g_free(bytes);
+    if (!found_packet) {
+      /* We didn't find a packet */
+      statusbar_push_temporary_msg("No packet contained those bytes.");
+      return;
+    }
+  } else if (cfile.string) {
+    if (cfile.summary_data) {
+      /* String in the Info column of the summary line */
+      found_packet = cf_find_packet_summary_line(&cfile, string, cfile.dir);
+      g_free(string);
+      if (!found_packet) {
+        statusbar_push_temporary_msg("No packet contained that string in its Info column.");
+        return;
+      }
+    } else if (cfile.decode_data) {
+      /* String in the protocol tree headings */
+      found_packet = cf_find_packet_protocol_tree(&cfile, string, cfile.dir);
+      g_free(string);
+      if (!found_packet) {
+        statusbar_push_temporary_msg("No packet contained that string in its dissected display.");
+        return;
+      }
+    } else if (cfile.packet_data && string) {
+      /* String in the ASCII-converted packet data */
+      found_packet = cf_find_packet_data(&cfile, string, strlen(string), cfile.dir);
+      g_free(string);
+      if (!found_packet) {
+        statusbar_push_temporary_msg("No packet contained that string in its ASCII-converted data.");
+        return;
+      }
+    }
+  } else {
+    /* Search via display filter */
+    found_packet = cf_find_packet_dfilter(&cfile, sfcode, cfile.dir);
+    dfilter_free(sfcode);
+    if (!found_packet) {
+      statusbar_push_temporary_msg("No packet matched that filter.");
+      g_free(bytes);
+      return;
+    }
+  }
+  window_destroy(GTK_WIDGET(parent_w));
+}
+
+static void
+find_frame_close_cb(GtkWidget *close_bt _U_, gpointer parent_w)
+{
+  gtk_grab_remove(GTK_WIDGET(parent_w));
+  window_destroy(GTK_WIDGET(parent_w));
+}
+
+static void
+find_frame_destroy_cb(GtkWidget *win _U_, gpointer user_data _U_)
+{
+  /* Note that we no longer have a "Find Packet" dialog box. */
+  find_frame_w = NULL;
+}
+
+static void
+find_previous_next(GtkWidget *w, gpointer d, search_direction dir)
+{
+  guint8    *bytes;
+  size_t     nbytes;
+  char      *string;
+  dfilter_t *sfcode;
+
+  if (cfile.sfilter) {
+    cfile.dir = dir;
+    if (cfile.hex) {
+      bytes = convert_string_to_hex(cfile.sfilter, &nbytes);
+      if (bytes == NULL) {
+	/*
+	 * XXX - this shouldn't happen, as we've already successfully
+	 * translated the string once.
+	 */
+        return;
+      }
+      cf_find_packet_data(&cfile, bytes, nbytes, dir);
+      g_free(bytes);
+    } else if (cfile.string) {
+      string = convert_string_case(cfile.sfilter, cfile.case_type);
+      /* OK, what are we searching? */
+      if (cfile.decode_data) {
+        /* The text in the protocol tree */
+        cf_find_packet_protocol_tree(&cfile, string, dir);
+      } else if (cfile.summary_data) {
+        /* The text in the summary line */
+        cf_find_packet_summary_line(&cfile, string, dir);
+      } else {
+        /* The raw packet data */
+        cf_find_packet_data(&cfile, string, strlen(string), dir);
+      }
+      g_free(string);
+    } else {
+      if (!dfilter_compile(cfile.sfilter, &sfcode)) {
+	/*
+	 * XXX - this shouldn't happen, as we've already successfully
+	 * translated the string once.
+	 */
+        return;
+      }
+      if (sfcode == NULL) {
+	/*
+	 * XXX - this shouldn't happen, as we've already found that the
+	 * string wasn't null.
+	 */
+        return;
+      }
+      cf_find_packet_dfilter(&cfile, sfcode, dir);
+      dfilter_free(sfcode);
+    }
+  } else
+     find_frame_cb(w, d);
+}
+
+void
+find_next_cb(GtkWidget *w , gpointer d)
+{
+  find_previous_next(w, d, SD_FORWARD);
+}
+
+void
+find_previous_cb(GtkWidget *w , gpointer d)
+{
+  find_previous_next(w, d, SD_BACKWARD);
+}