forked from osmocom/wireshark
252 lines
8 KiB
C
252 lines
8 KiB
C
/* find_dlg.c
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* Routines for "find frame" window
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*
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* $Id: find_dlg.c,v 1.10 2000/05/08 04:53:20 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gtk/gtk.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifndef __G_LIB_H__
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#include <glib.h>
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#endif
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#include "proto.h"
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#include "dfilter.h"
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#include "globals.h"
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#include "ui_util.h"
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#include "find_dlg.h"
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#include "filter_prefs.h"
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#include "simple_dialog.h"
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#include "dlg_utils.h"
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/* Capture callback data keys */
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#define E_FIND_FILT_KEY "find_filter_te"
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#define E_FIND_BACKWARD_KEY "find_backward"
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static void
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find_frame_ok_cb(GtkWidget *ok_bt, gpointer parent_w);
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static void
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find_frame_close_cb(GtkWidget *close_bt, gpointer parent_w);
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static void
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find_frame_destroy_cb(GtkWidget *win, gpointer user_data);
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/*
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* Keep a static pointer to the current "Find Frame" window, if any, so
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* that if somebody tries to do "Find Frame" while there's already a
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* "Find Frame" window up, we just pop up the existing one, rather than
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* creating a new one.
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*/
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static GtkWidget *find_frame_w;
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void
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find_frame_cb(GtkWidget *w, gpointer d)
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{
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GtkWidget *main_vb, *filter_hb, *filter_bt, *filter_te,
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*direction_hb, *forward_rb, *backward_rb,
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*bbox, *ok_bt, *cancel_bt;
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GtkAccelGroup *accel_group;
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if (find_frame_w != NULL) {
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/* There's already a "Find Frame" dialog box; reactivate it. */
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reactivate_window(find_frame_w);
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return;
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}
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find_frame_w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title(GTK_WINDOW(find_frame_w), "Ethereal: Find Frame");
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gtk_signal_connect(GTK_OBJECT(find_frame_w), "destroy",
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GTK_SIGNAL_FUNC(find_frame_destroy_cb), NULL);
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/* Accelerator group for the accelerators (or, as they're called in
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Windows and, I think, in Motif, "mnemonics"; Alt+<key> is a mnemonic,
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Ctrl+<key> is an accelerator). */
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accel_group = gtk_accel_group_new();
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gtk_window_add_accel_group(GTK_WINDOW(find_frame_w), accel_group);
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/* Container for each row of widgets */
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main_vb = gtk_vbox_new(FALSE, 3);
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gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
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gtk_container_add(GTK_CONTAINER(find_frame_w), main_vb);
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gtk_widget_show(main_vb);
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/* Filter row */
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filter_hb = gtk_hbox_new(FALSE, 3);
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gtk_container_add(GTK_CONTAINER(main_vb), filter_hb);
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gtk_widget_show(filter_hb);
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filter_bt = gtk_button_new_with_label("Filter:");
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gtk_signal_connect(GTK_OBJECT(filter_bt), "clicked",
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GTK_SIGNAL_FUNC(filter_browse_cb), NULL);
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gtk_box_pack_start(GTK_BOX(filter_hb), filter_bt, FALSE, TRUE, 0);
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gtk_widget_show(filter_bt);
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filter_te = gtk_entry_new();
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if (cf.sfilter) gtk_entry_set_text(GTK_ENTRY(filter_te), cf.sfilter);
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gtk_object_set_data(GTK_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_te);
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gtk_box_pack_start(GTK_BOX(filter_hb), filter_te, TRUE, TRUE, 0);
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gtk_widget_show(filter_te);
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/* Misc row: Forward and reverse radio buttons */
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direction_hb = gtk_hbox_new(FALSE, 3);
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gtk_container_add(GTK_CONTAINER(main_vb), direction_hb);
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gtk_widget_show(direction_hb);
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forward_rb = dlg_radio_button_new_with_label_with_mnemonic(NULL, "_Forward",
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accel_group);
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gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(forward_rb), !cf.sbackward);
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gtk_box_pack_start(GTK_BOX(direction_hb), forward_rb, TRUE, TRUE, 0);
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gtk_widget_show(forward_rb);
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backward_rb = dlg_radio_button_new_with_label_with_mnemonic(
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gtk_radio_button_group(GTK_RADIO_BUTTON(forward_rb)),
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"_Backward", accel_group);
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gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(backward_rb), cf.sbackward);
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gtk_box_pack_start(GTK_BOX(direction_hb), backward_rb, TRUE, TRUE, 0);
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gtk_widget_show(backward_rb);
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/* Button row: OK and cancel buttons */
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bbox = gtk_hbutton_box_new();
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gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
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gtk_button_box_set_spacing(GTK_BUTTON_BOX(bbox), 5);
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gtk_container_add(GTK_CONTAINER(main_vb), bbox);
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gtk_widget_show(bbox);
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ok_bt = gtk_button_new_with_label ("OK");
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gtk_signal_connect(GTK_OBJECT(ok_bt), "clicked",
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GTK_SIGNAL_FUNC(find_frame_ok_cb), GTK_OBJECT(find_frame_w));
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GTK_WIDGET_SET_FLAGS(ok_bt, GTK_CAN_DEFAULT);
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gtk_box_pack_start (GTK_BOX (bbox), ok_bt, TRUE, TRUE, 0);
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gtk_widget_grab_default(ok_bt);
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gtk_widget_show(ok_bt);
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cancel_bt = gtk_button_new_with_label ("Cancel");
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gtk_signal_connect(GTK_OBJECT(cancel_bt), "clicked",
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GTK_SIGNAL_FUNC(find_frame_close_cb), GTK_OBJECT(find_frame_w));
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GTK_WIDGET_SET_FLAGS(cancel_bt, GTK_CAN_DEFAULT);
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gtk_box_pack_start (GTK_BOX (bbox), cancel_bt, TRUE, TRUE, 0);
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gtk_widget_show(cancel_bt);
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/* Attach pointers to needed widgets to the capture prefs window/object */
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gtk_object_set_data(GTK_OBJECT(find_frame_w), E_FIND_FILT_KEY, filter_te);
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gtk_object_set_data(GTK_OBJECT(find_frame_w), E_FIND_BACKWARD_KEY, backward_rb);
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/* Catch the "activate" signal on the frame number text entry, so that
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if the user types Return there, we act as if the "OK" button
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had been selected, as happens if Return is typed if some widget
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that *doesn't* handle the Return key has the input focus. */
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dlg_set_activate(filter_te, ok_bt);
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/* Catch the "key_press_event" signal in the window, so that we can catch
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the ESC key being pressed and act as if the "Cancel" button had
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been selected. */
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dlg_set_cancel(find_frame_w, cancel_bt);
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/* Give the initial focus to the "Filter" entry box. */
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gtk_widget_grab_focus(filter_te);
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gtk_widget_show(find_frame_w);
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}
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static void
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find_frame_ok_cb(GtkWidget *ok_bt, gpointer parent_w)
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{
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GtkWidget *filter_te, *backward_rb;
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gchar *filter_text;
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dfilter *sfcode;
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filter_te = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_FIND_FILT_KEY);
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backward_rb = (GtkWidget *) gtk_object_get_data(GTK_OBJECT(parent_w), E_FIND_BACKWARD_KEY);
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filter_text = gtk_entry_get_text(GTK_ENTRY(filter_te));
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/*
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* Try to compile the filter.
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*/
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if (dfilter_compile(filter_text, &sfcode) != 0) {
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/* The attempt failed; report an error. */
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simple_dialog(ESD_TYPE_WARN, NULL, dfilter_error_msg);
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return;
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}
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/* Was it empty? */
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if (sfcode == NULL) {
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/* Yes - complain. */
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simple_dialog(ESD_TYPE_WARN, NULL,
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"You didn't specify a filter to use when searching for a frame.");
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return;
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}
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/*
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* Remember the filter.
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*/
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if (cf.sfilter)
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g_free(cf.sfilter);
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cf.sfilter = g_strdup(filter_text);
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cf.sbackward = GTK_TOGGLE_BUTTON (backward_rb)->active;
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if (!find_packet(&cf, sfcode)) {
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/* We didn't find the packet. */
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simple_dialog(ESD_TYPE_WARN, NULL, "No packet matched that filter.");
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return;
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}
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gtk_widget_destroy(GTK_WIDGET(parent_w));
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}
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static void
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find_frame_close_cb(GtkWidget *close_bt, gpointer parent_w)
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{
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gtk_grab_remove(GTK_WIDGET(parent_w));
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gtk_widget_destroy(GTK_WIDGET(parent_w));
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}
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static void
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find_frame_destroy_cb(GtkWidget *win, gpointer user_data)
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{
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GtkWidget *find_frame_filter_w;
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/* Is there a filter edit/selection dialog associated with this
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Find Frame dialog? */
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find_frame_filter_w = gtk_object_get_data(GTK_OBJECT(win), E_FILT_DIALOG_PTR_KEY);
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if (find_frame_filter_w != NULL) {
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/* Yes. Destroy it. */
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gtk_widget_destroy(find_frame_filter_w);
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}
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/* Note that we no longer have a "Find Frame" dialog box. */
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find_frame_w = NULL;
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}
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