ui/gtk/goto_dlg.c

   1 /* goto_dlg.c
   2  * Routines for "go to packet" window
   3  *
   4  * $Id$
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  */
  24
  25
  26 #include "config.h"
  27
  28 #include <gtk/gtk.h>
  29
  30 #include <stdlib.h>
  31
  32 #include <epan/proto.h>
  33
  34 #include "../globals.h"
  35 #include "ui/simple_dialog.h"
  36 #include "ui/ui_util.h"
  37
  38 #include "ui/gtk/goto_dlg.h"
  39 #include "ui/gtk/dlg_utils.h"
  40 #include "ui/gtk/gui_utils.h"
  41 #include "ui/gtk/help_dlg.h"
  42
  43
  44 /* Capture callback data keys */
  45 #define E_GOTO_FNUMBER_KEY     "goto_fnumber_te"
  46
  47 static void
  48 goto_frame_ok_cb(GtkWidget *ok_bt, gpointer parent_w);
  49
  50 void
  51 goto_frame_cb(GtkWidget *w _U_, gpointer d _U_)
  52 {
  53   GtkWidget     *goto_frame_w, *main_vb, *fnumber_hb, *fnumber_lb, *fnumber_te,
  54                 *bbox, *ok_bt, *cancel_bt, *help_bt;
  55
  56   goto_frame_w = dlg_window_new("Wireshark: Go To Packet");
  57
  58   /* Container for each row of widgets */
  59   main_vb = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 3, FALSE);
  60   gtk_container_set_border_width(GTK_CONTAINER(main_vb), 5);
  61   gtk_container_add(GTK_CONTAINER(goto_frame_w), main_vb);
  62   gtk_widget_show(main_vb);
  63
  64   /* Frame number row */
  65   fnumber_hb = ws_gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 3, FALSE);
  66   gtk_box_pack_start(GTK_BOX (main_vb), fnumber_hb, TRUE, TRUE, 0);
  67   gtk_widget_show(fnumber_hb);
  68
  69   fnumber_lb = gtk_label_new("Packet number:");
  70   gtk_box_pack_start(GTK_BOX(fnumber_hb), fnumber_lb, FALSE, FALSE, 0);
  71   gtk_widget_show(fnumber_lb);
  72
  73   fnumber_te = gtk_entry_new();
  74   gtk_box_pack_start(GTK_BOX(fnumber_hb), fnumber_te, FALSE, FALSE, 0);
  75   gtk_widget_show(fnumber_te);
  76
  77   /* Button row: OK and cancel buttons */
  78   bbox = dlg_button_row_new(GTK_STOCK_JUMP_TO, GTK_STOCK_CANCEL, GTK_STOCK_HELP, NULL);
  79   gtk_box_pack_start(GTK_BOX (main_vb), bbox, TRUE, TRUE, 0);
  80
  81   gtk_widget_show(bbox);
  82
  83   ok_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_JUMP_TO);
  84   g_signal_connect(ok_bt, "clicked", G_CALLBACK(goto_frame_ok_cb), goto_frame_w);
  85
  86   cancel_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CANCEL);
  87   window_set_cancel_button(goto_frame_w, cancel_bt, window_cancel_button_cb);
  88
  89   help_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
  90   g_signal_connect(help_bt, "clicked", G_CALLBACK(topic_cb), (gpointer)HELP_GOTO_DIALOG);
  91
  92   gtk_widget_grab_default(ok_bt);
  93
  94   /* Catch the "activate" signal on the frame number text entry, so that
  95      if the user types Return there, we act as if the "OK" button
  96      had been selected, as happens if Return is typed if some widget
  97      that *doesn't* handle the Return key has the input focus. */
  98   dlg_set_activate(fnumber_te, ok_bt);
  99
 100   /* Give the initial focus to the "Packet number" entry box. */
 101   gtk_widget_grab_focus(fnumber_te);
 102
 103   /* Attach pointers to needed widgets to the capture prefs window/object */
 104   g_object_set_data(G_OBJECT(goto_frame_w), E_GOTO_FNUMBER_KEY, fnumber_te);
 105
 106   g_signal_connect(goto_frame_w, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
 107
 108   gtk_widget_show(goto_frame_w);
 109   window_present(goto_frame_w);
 110 }
 111
 112 static void
 113 goto_frame_ok_cb(GtkWidget *ok_bt _U_, gpointer parent_w)
 114 {
 115   GtkWidget   *fnumber_te;
 116   const gchar *fnumber_text;
 117   guint        fnumber;
 118   char        *p;
 119
 120   fnumber_te = (GtkWidget *)g_object_get_data(G_OBJECT(parent_w), E_GOTO_FNUMBER_KEY);
 121
 122   fnumber_text = gtk_entry_get_text(GTK_ENTRY(fnumber_te));
 123   fnumber = (guint) strtoul(fnumber_text, &p, 10);
 124   if (p == fnumber_text || *p != '\0') {
 125     /* Illegal number.
 126        XXX - what about negative numbers (which "strtoul()" allows)?
 127        Can we hack up signal handlers for the widget to make it
 128        reject attempts to type in characters other than digits?
 129        What about numbers > the maximum possible guint? */
 130     simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
 131                 "The packet number you entered isn't a valid number.");
 132     return;
 133   }
 134
 135   if (cf_goto_frame(&cfile, fnumber)) {
 136     /* We succeeded in going to that frame; we're done. */
 137     window_destroy(GTK_WIDGET(parent_w));
 138   }
 139 }
 140
 141 /*
 142  * Go to frame specified by currently selected protocol tree item.
 143  */
 144 void
 145 goto_framenum_cb(GtkWidget *w _U_, gpointer data _U_)
 146 {
 147     cf_goto_framenum(&cfile);
 148 }
 149
 150 void
 151 goto_top_frame_cb(GtkWidget *w _U_, gpointer d _U_)
 152 {
 153     cf_goto_top_frame();
 154 }
 155
 156 void
 157 goto_bottom_frame_cb(GtkWidget *w _U_, gpointer d _U_)
 158 {
 159     cf_goto_bottom_frame();
 160 }
 161
 162 void
 163 goto_next_frame_cb(GtkWidget *w _U_, gpointer d _U_)
 164 {
 165     packet_list_next();
 166 }
 167
 168 void
 169 goto_previous_frame_cb(GtkWidget *w _U_, gpointer d _U_)
 170 {
 171     packet_list_prev();
 172 }
 173