gtk/menu.c

   1 /* menu.c
   2  * Menu routines
   3  *
   4  * $Id: menu.c,v 1.189 2004/05/04 20:04:26 guy Exp $
   5  *
   6  * Ethereal - Network traffic analyzer
   7  * By Gerald Combs <gerald@ethereal.com>
   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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <gtk/gtk.h>
  30
  31 #include <string.h>
  32
  33 #include "main.h"
  34 #include "menu.h"
  35 #include "tap_menu.h"
  36 #include <epan/packet.h>
  37 #include <epan/resolv.h>
  38 #include "prefs.h"
  39 #include "capture_dlg.h"
  40 #include "color_dlg.h"
  41 #include "filter_prefs.h"
  42 #include "file_dlg.h"
  43 #include "find_dlg.h"
  44 #include "goto_dlg.h"
  45 #include "summary_dlg.h"
  46 #include "prefs_dlg.h"
  47 #include "packet_win.h"
  48 #include "print.h"
  49 #include "follow_dlg.h"
  50 #include "decode_as_dlg.h"
  51 #include "help_dlg.h"
  52 #include "supported_protos_dlg.h"
  53 #include "proto_dlg.h"
  54 #include "proto_hier_stats_dlg.h"
  55 #include "keys.h"
  56 #include <epan/plugins.h>
  57 #include <epan/epan_dissect.h>
  58 #include "compat_macros.h"
  59 #include "toolbar.h"
  60 #include "gtkglobals.h"
  61 #include "register.h"
  62 #include "../tap.h"
  63 #include "../menu.h"
  64 #include "../ipproto.h"
  65 #include "packet_list.h"
  66 #include "ethclist.h"
  67 #include "recent.h"
  68 #include "../ui_util.h"
  69 #include "proto_draw.h"
  70 #include "simple_dialog.h"
  71 #include <epan/timestamp.h>
  72
  73 GtkWidget *popup_menu_object;
  74
  75 extern void savehex_cb(GtkWidget * w, gpointer data _U_);
  76 extern void init_ett_notebook_cb(GtkWidget *w _U_, gpointer d _U_);
  77 extern void init_hostlist_notebook_cb(GtkWidget *w _U_, gpointer d _U_);
  78
  79 static void
  80 clear_menu_recent_capture_file_cmd_cb(GtkWidget *w, gpointer unused _U_);
  81
  82 typedef struct _menu_item {
  83         char    *name;
  84     gint    group;
  85         gboolean enabled;
  86     GtkItemFactoryCallback callback;
  87     gpointer callback_data;
  88         gboolean (*selected_packet_enabled)(frame_data *, epan_dissect_t *);
  89         gboolean (*selected_tree_row_enabled)(field_info *);
  90         GList *children;
  91 } menu_item_t;
  92
  93 static GList *tap_menu_tree_root = NULL;
  94
  95 static void
  96 merge_all_tap_menus(GList *node);
  97
  98 #define GTK_MENU_FUNC(a) ((GtkItemFactoryCallback)(a))
  99
 100 static void menus_init(void);
 101 static void set_menu_sensitivity (GtkItemFactory *, const gchar *, gint);
 102 static void main_toolbar_show_cb(GtkWidget *w _U_, gpointer d _U_);
 103 static void filter_toolbar_show_cb(GtkWidget *w _U_, gpointer d _U_);
 104 static void packet_list_show_cb(GtkWidget *w _U_, gpointer d _U_);
 105 static void tree_view_show_cb(GtkWidget *w _U_, gpointer d _U_);
 106 static void byte_view_show_cb(GtkWidget *w _U_, gpointer d _U_);
 107 static void statusbar_show_cb(GtkWidget *w _U_, gpointer d _U_);
 108 static void timestamp_absolute_cb(GtkWidget *w _U_, gpointer d _U_);
 109 static void timestamp_absolute_date_cb(GtkWidget *w _U_, gpointer d _U_);
 110 static void timestamp_relative_cb(GtkWidget *w _U_, gpointer d _U_);
 111 static void timestamp_delta_cb(GtkWidget *w _U_, gpointer d _U_);
 112 static void name_resolution_mac_cb(GtkWidget *w _U_, gpointer d _U_);
 113 static void name_resolution_network_cb(GtkWidget *w _U_, gpointer d _U_);
 114 static void name_resolution_transport_cb(GtkWidget *w _U_, gpointer d _U_);
 115 #ifdef HAVE_LIBPCAP
 116 static void auto_scroll_live_cb(GtkWidget *w _U_, gpointer d _U_);
 117 #endif
 118
 119 /* This is the GtkItemFactoryEntry structure used to generate new menus.
 120        Item 1: The menu path. The letter after the underscore indicates an
 121                accelerator key once the menu is open.
 122        Item 2: The accelerator key for the entry
 123        Item 3: The callback function.
 124        Item 4: The callback action.  This changes the parameters with
 125                which the function is called.  The default is 0.
 126        Item 5: The item type, used to define what kind of an item it is.
 127                Here are the possible values:
 128
 129                NULL               -> "<Item>"
 130                ""                 -> "<Item>"
 131                "<Title>"          -> create a title item
 132                "<Item>"           -> create a simple item
 133                "<ImageItem>"      -> create an item holding an image (gtk2)
 134                "<StockItem>"      -> create an item holding a stock image (gtk2)
 135                "<CheckItem>"      -> create a check item
 136                "<ToggleItem>"     -> create a toggle item
 137                "<RadioItem>"      -> create a radio item
 138                <path>             -> path of a radio item to link against
 139                "<Separator>"      -> create a separator
 140                "<Tearoff>"        -> create a tearoff separator (gtk2)
 141                "<Branch>"         -> create an item to hold sub items (optional)
 142                "<LastBranch>"     -> create a right justified branch
 143        Item 6: extra data needed for ImageItem and StockItem (gtk2)
 144     */
 145
 146 /* main menu */
 147 static GtkItemFactoryEntry menu_items[] =
 148 {
 149     ITEM_FACTORY_ENTRY("/_File", NULL, NULL, 0, "<Branch>", NULL),
 150     ITEM_FACTORY_STOCK_ENTRY("/File/_Open...", "<control>O", file_open_cmd_cb,
 151                              0, GTK_STOCK_OPEN),
 152     ITEM_FACTORY_ENTRY("/File/Open _Recent", NULL, NULL, 0, "<Branch>", NULL),
 153     ITEM_FACTORY_STOCK_ENTRY("/File/_Close", "<control>W", file_close_cmd_cb,
 154                              0, GTK_STOCK_CLOSE),
 155     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 156     ITEM_FACTORY_STOCK_ENTRY("/File/_Save", "<control>S", file_save_cmd_cb,
 157                              0, GTK_STOCK_SAVE),
 158     ITEM_FACTORY_STOCK_ENTRY("/File/Save _As...", "<shift><control>S", file_save_as_cmd_cb,
 159                              0, GTK_STOCK_SAVE_AS),
 160     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 161     ITEM_FACTORY_ENTRY("/File/_Export", NULL, NULL, 0, "<Branch>", NULL),
 162     ITEM_FACTORY_ENTRY("/File/Export/as \"Plain _Text\" file...", NULL, export_text_cmd_cb,
 163                              0, NULL, NULL),
 164     ITEM_FACTORY_ENTRY("/File/Export/as \"_PostScript\" file...", NULL, export_ps_cmd_cb,
 165                              0, NULL, NULL),
 166     ITEM_FACTORY_ENTRY("/File/Export/as XML - \"P_SML\" (packet summary) file...", NULL, export_psml_cmd_cb,
 167                              0, NULL, NULL),
 168     ITEM_FACTORY_ENTRY("/File/Export/as XML - \"P_DML\" (packet details) file...", NULL, export_pdml_cmd_cb,
 169                              0, NULL, NULL),
 170     ITEM_FACTORY_ENTRY("/File/Export/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 171     ITEM_FACTORY_ENTRY("/File/Export/Selected Packet _Bytes...", "<control>H", savehex_cb,
 172                              0, NULL, NULL),
 173     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 174     ITEM_FACTORY_STOCK_ENTRY("/File/_Print...", "<control>P", file_print_cmd_cb,
 175                              0, GTK_STOCK_PRINT),
 176     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 177     ITEM_FACTORY_STOCK_ENTRY("/File/_Quit", "<control>Q", file_quit_cmd_cb,
 178                              0, GTK_STOCK_QUIT),
 179     ITEM_FACTORY_ENTRY("/_Edit", NULL, NULL, 0, "<Branch>", NULL),
 180 #if 0
 181     /* Un-#if this when we actually implement Cut/Copy/Paste. */
 182     ITEM_FACTORY_STOCK_ENTRY("/Edit/Cut", "<control>X", NULL,
 183                              0, GTK_STOCK_CUT),
 184     ITEM_FACTORY_STOCK_ENTRY("/Edit/Copy", "<control>C", NULL,
 185                              0, GTK_STOCK_COPY),
 186     ITEM_FACTORY_STOCK_ENTRY("/Edit/Paste", "<control>V", NULL,
 187                              0, GTK_STOCK_PASTE),
 188     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>"),
 189 #endif
 190     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Find Packet...", "<control>F",
 191                              find_frame_cb, 0, GTK_STOCK_FIND),
 192     ITEM_FACTORY_STOCK_ENTRY("/Edit/Find Ne_xt", "<control>N", find_next_cb,
 193                              0, GTK_STOCK_GO_FORWARD),
 194     ITEM_FACTORY_STOCK_ENTRY("/Edit/Find Pre_vious", "<control>B",
 195                              find_previous_cb, 0, GTK_STOCK_GO_BACK),
 196     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 197     ITEM_FACTORY_ENTRY("/Edit/_Time Reference", NULL, NULL, 0, "<Branch>", NULL),
 198     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Set Time Reference (toggle)", "<control>T", reftime_frame_cb, 0, NULL, NULL),
 199     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Find Next", NULL, reftime_frame_cb, 1, NULL, NULL),
 200     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Find Previous", NULL, reftime_frame_cb, 2, NULL, NULL),
 201     ITEM_FACTORY_ENTRY("/Edit/_Mark Packet", "<control>M", mark_frame_cb,
 202                        0, NULL, NULL),
 203     ITEM_FACTORY_ENTRY("/Edit/Mark _All Packets", NULL, mark_all_frames_cb,
 204                        0, NULL, NULL),
 205     ITEM_FACTORY_ENTRY("/Edit/_Unmark All Packets", NULL, unmark_all_frames_cb,
 206                        0, NULL, NULL),
 207     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 208     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Preferences...", "<shift><control>P", prefs_cb,
 209                              0, GTK_STOCK_PREFERENCES),
 210     ITEM_FACTORY_ENTRY("/_View", NULL, NULL, 0, "<Branch>", NULL),
 211     ITEM_FACTORY_ENTRY("/View/_Main Toolbar", NULL, main_toolbar_show_cb, 0, "<CheckItem>", NULL),
 212     ITEM_FACTORY_ENTRY("/View/_Filter Toolbar", NULL, filter_toolbar_show_cb, 0, "<CheckItem>", NULL),
 213     ITEM_FACTORY_ENTRY("/View/_Statusbar", NULL, statusbar_show_cb, 0, "<CheckItem>", NULL),
 214     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 215     ITEM_FACTORY_ENTRY("/View/Packet _List", NULL, packet_list_show_cb, 0, "<CheckItem>", NULL),
 216     ITEM_FACTORY_ENTRY("/View/Packet _Details", NULL, tree_view_show_cb, 0, "<CheckItem>", NULL),
 217     ITEM_FACTORY_ENTRY("/View/Packet _Bytes", NULL, byte_view_show_cb, 0, "<CheckItem>", NULL),
 218     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 219     ITEM_FACTORY_ENTRY("/View/_Time Display Format", NULL, NULL, 0, "<Branch>", NULL),
 220     ITEM_FACTORY_ENTRY("/View/Time Display Format/Time of Day", NULL, timestamp_absolute_cb,
 221                         0, "<RadioItem>", NULL),
 222     ITEM_FACTORY_ENTRY("/View/Time Display Format/Date and Time of Day", NULL, timestamp_absolute_date_cb,
 223                         0, "/View/Time Display Format/Time of Day", NULL),
 224     ITEM_FACTORY_ENTRY("/View/Time Display Format/Seconds Since Beginning of Capture", NULL, timestamp_relative_cb,
 225                         0, "/View/Time Display Format/Time of Day", NULL),
 226     ITEM_FACTORY_ENTRY("/View/Time Display Format/Seconds Since Previous Packet", NULL, timestamp_delta_cb,
 227                         0, "/View/Time Display Format/Time of Day", NULL),
 228     ITEM_FACTORY_ENTRY("/View/Name Resol_ution", NULL, NULL, 0, "<Branch>", NULL),
 229     ITEM_FACTORY_ENTRY("/View/Name Resolution/Enable for _MAC Layer", NULL, name_resolution_mac_cb, 0, "<CheckItem>", NULL),
 230     ITEM_FACTORY_ENTRY("/View/Name Resolution/Enable for _Network Layer", NULL, name_resolution_network_cb, 0, "<CheckItem>", NULL),
 231     ITEM_FACTORY_ENTRY("/View/Name Resolution/Enable for _Transport Layer", NULL, name_resolution_transport_cb, 0, "<CheckItem>", NULL),
 232 #ifdef HAVE_LIBPCAP
 233     ITEM_FACTORY_ENTRY("/View/Auto Scroll in Li_ve Capture", NULL, auto_scroll_live_cb, 0, "<CheckItem>", NULL),
 234 #endif
 235     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 236     ITEM_FACTORY_STOCK_ENTRY("/View/_Zoom In", "<control>plus", view_zoom_in_cb,
 237                              0, GTK_STOCK_ZOOM_IN),
 238     ITEM_FACTORY_STOCK_ENTRY("/View/Zoom _Out", "<control>minus", view_zoom_out_cb,
 239                              0, GTK_STOCK_ZOOM_OUT),
 240     ITEM_FACTORY_STOCK_ENTRY("/View/_Normal Size", "<control>equal", view_zoom_100_cb,
 241                              0, GTK_STOCK_ZOOM_100),
 242     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 243     ITEM_FACTORY_ENTRY("/View/Collapse _All", NULL, collapse_all_cb,
 244                        0, NULL, NULL),
 245     ITEM_FACTORY_ENTRY("/View/_Expand All", NULL, expand_all_cb,
 246                        0, NULL, NULL),
 247     ITEM_FACTORY_ENTRY("/View/Expand Tree", NULL, expand_tree_cb, 0, NULL, NULL),
 248     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 249     ITEM_FACTORY_STOCK_ENTRY("/View/_Coloring Rules...", NULL, color_display_cb,
 250                        0, GTK_STOCK_SELECT_COLOR),
 251     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 252     ITEM_FACTORY_ENTRY("/View/Show Packet in New _Window", NULL,
 253                        new_window_cb, 0, NULL, NULL),
 254     ITEM_FACTORY_STOCK_ENTRY("/View/_Reload", "<control>R", file_reload_cmd_cb,
 255                              0, GTK_STOCK_REFRESH),
 256     ITEM_FACTORY_ENTRY("/_Go", NULL, NULL, 0, "<Branch>", NULL),
 257     ITEM_FACTORY_STOCK_ENTRY("/Go/_Go to Packet...", "<control>G",
 258                              goto_frame_cb, 0, GTK_STOCK_JUMP_TO),
 259     ITEM_FACTORY_ENTRY("/Go/Go to _Corresponding Packet", NULL, goto_framenum_cb,
 260                        0, NULL, NULL),
 261     ITEM_FACTORY_ENTRY("/Go/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 262     ITEM_FACTORY_STOCK_ENTRY("/Go/_First Packet", NULL,
 263                              goto_top_frame_cb, 0, GTK_STOCK_GOTO_TOP),
 264     ITEM_FACTORY_STOCK_ENTRY("/Go/_Last Packet", NULL,
 265                              goto_bottom_frame_cb, 0, GTK_STOCK_GOTO_BOTTOM),
 266 #ifdef HAVE_LIBPCAP
 267     ITEM_FACTORY_ENTRY("/_Capture", NULL, NULL, 0, "<Branch>", NULL),
 268     ITEM_FACTORY_STOCK_ENTRY("/Capture/_Start...", "<control>K",
 269                              capture_prep_cb, 0, ETHEREAL_STOCK_CAPTURE_START),
 270     ITEM_FACTORY_STOCK_ENTRY("/Capture/S_top", "<control>E", capture_stop_cb,
 271                              0, GTK_STOCK_STOP),
 272     ITEM_FACTORY_STOCK_ENTRY("/Capture/_Capture Filters...", NULL, cfilter_dialog_cb,
 273                        0, ETHEREAL_STOCK_CAPTURE_FILTER),
 274 #endif /* HAVE_LIBPCAP */
 275     ITEM_FACTORY_ENTRY("/_Analyze", NULL, NULL, 0, "<Branch>", NULL),
 276     ITEM_FACTORY_STOCK_ENTRY("/Analyze/_Display Filters...", NULL, dfilter_dialog_cb,
 277                        0, ETHEREAL_STOCK_DISPLAY_FILTER),
 278     ITEM_FACTORY_ENTRY("/Analyze/_Match", NULL, NULL, 0, "<Branch>", NULL),
 279     ITEM_FACTORY_ENTRY("/Analyze/Match/_Selected", NULL,
 280                        match_selected_cb_replace_ptree, 0, NULL, NULL),
 281     ITEM_FACTORY_ENTRY("/Analyze/Match/_Not Selected", NULL,
 282                        match_selected_cb_not_ptree, 0, NULL, NULL),
 283     ITEM_FACTORY_ENTRY("/Analyze/Match/_And Selected", NULL,
 284                        match_selected_cb_and_ptree, 0, NULL, NULL),
 285     ITEM_FACTORY_ENTRY("/Analyze/Match/_Or Selected", NULL,
 286                        match_selected_cb_or_ptree, 0, NULL, NULL),
 287     ITEM_FACTORY_ENTRY("/Analyze/Match/A_nd Not Selected", NULL,
 288                        match_selected_cb_and_ptree_not, 0, NULL, NULL),
 289     ITEM_FACTORY_ENTRY("/Analyze/Match/O_r Not Selected", NULL,
 290                        match_selected_cb_or_ptree_not, 0, NULL, NULL),
 291     ITEM_FACTORY_ENTRY("/Analyze/_Prepare", NULL, NULL, 0, "<Branch>", NULL),
 292     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Selected", NULL,
 293                        prepare_selected_cb_replace_ptree, 0, NULL, NULL),
 294     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Not Selected", NULL,
 295                        prepare_selected_cb_not_ptree, 0, NULL, NULL),
 296     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_And Selected", NULL,
 297                        prepare_selected_cb_and_ptree, 0, NULL, NULL),
 298     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Or Selected", NULL,
 299                        prepare_selected_cb_or_ptree, 0, NULL, NULL),
 300     ITEM_FACTORY_ENTRY("/Analyze/Prepare/A_nd Not Selected", NULL,
 301                        prepare_selected_cb_and_ptree_not, 0, NULL, NULL),
 302     ITEM_FACTORY_ENTRY("/Analyze/Prepare/O_r Not Selected", NULL,
 303                        prepare_selected_cb_or_ptree_not, 0, NULL, NULL),
 304     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 305     ITEM_FACTORY_ENTRY("/Analyze/_Enabled Protocols...", "<shift><control>R", proto_cb, 0, NULL, NULL),
 306     ITEM_FACTORY_ENTRY("/Analyze/Decode _As...", NULL, decode_as_cb,
 307                        0, NULL, NULL),
 308     ITEM_FACTORY_ENTRY("/Analyze/_User Specified Decodes...", NULL,
 309                        decode_show_cb, 0, NULL, NULL),
 310     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 311     ITEM_FACTORY_ENTRY("/Analyze/_Follow TCP Stream", NULL,
 312                        follow_stream_cb, 0, NULL, NULL),
 313     ITEM_FACTORY_ENTRY("/_Statistics", NULL, NULL, 0, "<Branch>", NULL),
 314     ITEM_FACTORY_ENTRY("/Statistics/_Summary", NULL, summary_open_cb, 0, NULL, NULL),
 315     ITEM_FACTORY_ENTRY("/Statistics/_Protocol Hierarchy", NULL,
 316                        proto_hier_stats_cb, 0, NULL, NULL),
 317     ITEM_FACTORY_ENTRY("/Statistics/Conversations", NULL,
 318                        init_ett_notebook_cb, 0, NULL, NULL),
 319     ITEM_FACTORY_ENTRY("/Statistics/Endpoints", NULL,
 320                        init_hostlist_notebook_cb, 0, NULL, NULL),
 321     ITEM_FACTORY_ENTRY("/_Help", NULL, NULL, 0, "<Branch>", NULL),
 322     ITEM_FACTORY_STOCK_ENTRY("/Help/_Contents", "F1", help_cb, 0, GTK_STOCK_HELP),
 323     ITEM_FACTORY_ENTRY("/Help/_Supported Protocols", NULL, supported_cb, 0, NULL, NULL),
 324     ITEM_FACTORY_ENTRY("/Help/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 325 #ifdef HAVE_PLUGINS
 326     ITEM_FACTORY_ENTRY("/Help/About _Plugins", NULL, tools_plugins_cmd_cb,
 327                        0, NULL, NULL),
 328 #endif /* HAVE_PLUGINS */
 329     ITEM_FACTORY_ENTRY("/Help/_About Ethereal", NULL, about_ethereal,
 330                        0, NULL, NULL)
 331 };
 332
 333
 334 /* calculate the number of menu_items */
 335 static int nmenu_items = sizeof(menu_items) / sizeof(menu_items[0]);
 336
 337 /* packet list popup */
 338 static GtkItemFactoryEntry packet_list_menu_items[] =
 339 {
 340     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 341                        0, NULL, NULL),
 342     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 343     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 344                        0, NULL, NULL),
 345     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 346     ITEM_FACTORY_ENTRY("/Mark Packet", NULL, mark_frame_cb, 0, NULL, NULL),
 347     ITEM_FACTORY_ENTRY("/Time Reference", NULL, NULL, 0, "<Branch>", NULL),
 348     ITEM_FACTORY_ENTRY("/Time Reference/Set Time Reference (toggle)", NULL, reftime_frame_cb, 0, NULL, NULL),
 349     ITEM_FACTORY_ENTRY("/Time Reference/Find Next", NULL, reftime_frame_cb, 1, NULL, NULL),
 350     ITEM_FACTORY_ENTRY("/Time Reference/Find Previous", NULL, reftime_frame_cb, 2, NULL, NULL),
 351     ITEM_FACTORY_ENTRY("/Match", NULL, NULL, 0, "<Branch>", NULL),
 352     ITEM_FACTORY_ENTRY("/Match/_Selected", NULL,
 353                        match_selected_cb_replace_plist, 0, NULL, NULL),
 354     ITEM_FACTORY_ENTRY("/Match/_Not Selected", NULL,
 355                        match_selected_cb_not_plist, 0, NULL, NULL),
 356     ITEM_FACTORY_ENTRY("/Match/_And Selected", NULL,
 357                        match_selected_cb_and_plist, 0, NULL, NULL),
 358     ITEM_FACTORY_ENTRY("/Match/_Or Selected", NULL, match_selected_cb_or_plist,
 359                        0, NULL, NULL),
 360     ITEM_FACTORY_ENTRY("/Match/A_nd Not Selected", NULL,
 361                        match_selected_cb_and_plist_not, 0, NULL, NULL),
 362     ITEM_FACTORY_ENTRY("/Match/O_r Not Selected", NULL,
 363                        match_selected_cb_or_plist_not, 0, NULL, NULL),
 364     ITEM_FACTORY_ENTRY("/Prepare", NULL, NULL, 0, "<Branch>", NULL),
 365     ITEM_FACTORY_ENTRY("/Prepare/_Selected", NULL,
 366                        prepare_selected_cb_replace_plist, 0, NULL, NULL),
 367     ITEM_FACTORY_ENTRY("/Prepare/_Not Selected", NULL,
 368                        prepare_selected_cb_not_plist, 0, NULL, NULL),
 369     ITEM_FACTORY_ENTRY("/Prepare/_And Selected", NULL,
 370                        prepare_selected_cb_and_plist, 0, NULL, NULL),
 371     ITEM_FACTORY_ENTRY("/Prepare/_Or Selected", NULL,
 372                        prepare_selected_cb_or_plist, 0, NULL, NULL),
 373     ITEM_FACTORY_ENTRY("/Prepare/A_nd Not Selected", NULL,
 374                        prepare_selected_cb_and_plist_not, 0, NULL, NULL),
 375     ITEM_FACTORY_ENTRY("/Prepare/O_r Not Selected", NULL,
 376                        prepare_selected_cb_or_plist_not, 0, NULL, NULL),
 377     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 378     ITEM_FACTORY_ENTRY("/Coloring Rules...", NULL, color_display_cb,
 379                        0, NULL, NULL),
 380     ITEM_FACTORY_ENTRY("/Print...", NULL, file_print_cmd_cb, 0, NULL, NULL),
 381     ITEM_FACTORY_ENTRY("/Show Packet in New Window", NULL, new_window_cb,
 382                        0, NULL, NULL),
 383 };
 384
 385 static GtkItemFactoryEntry tree_view_menu_items[] =
 386 {
 387     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 388                        0, NULL, NULL),
 389     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 390     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 391                        0, NULL, NULL),
 392     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 393     ITEM_FACTORY_ENTRY("/_Resolve Name", NULL, resolve_name_cb, 0, NULL, NULL),
 394     ITEM_FACTORY_ENTRY("/_Go to Corresponding Packet", NULL, goto_framenum_cb, 0, NULL, NULL),
 395     ITEM_FACTORY_ENTRY("/_Export Selected Packet Bytes...", NULL, savehex_cb,
 396                        0, NULL, NULL),
 397     ITEM_FACTORY_ENTRY("/Protocol Properties...", NULL, properties_cb,
 398                        0, NULL, NULL),
 399     ITEM_FACTORY_ENTRY("/Match", NULL, NULL, 0, "<Branch>", NULL),
 400     ITEM_FACTORY_ENTRY("/Match/_Selected", NULL,
 401                        match_selected_cb_replace_ptree, 0, NULL, NULL),
 402     ITEM_FACTORY_ENTRY("/Match/_Not Selected", NULL,
 403                        match_selected_cb_not_ptree, 0, NULL, NULL),
 404     ITEM_FACTORY_ENTRY("/Match/_And Selected", NULL,
 405                        match_selected_cb_and_ptree, 0, NULL, NULL),
 406     ITEM_FACTORY_ENTRY("/Match/_Or Selected", NULL, match_selected_cb_or_ptree,
 407                        0, NULL, NULL),
 408     ITEM_FACTORY_ENTRY("/Match/A_nd Not Selected", NULL,
 409                        match_selected_cb_and_ptree_not, 0, NULL, NULL),
 410     ITEM_FACTORY_ENTRY("/Match/O_r Not Selected", NULL,
 411                        match_selected_cb_or_ptree_not, 0, NULL, NULL),
 412     ITEM_FACTORY_ENTRY("/Prepare", NULL, NULL, 0, "<Branch>", NULL),
 413     ITEM_FACTORY_ENTRY("/Prepare/_Selected", NULL,
 414                        prepare_selected_cb_replace_ptree, 0, NULL, NULL),
 415     ITEM_FACTORY_ENTRY("/Prepare/_Not Selected", NULL,
 416                        prepare_selected_cb_not_ptree, 0, NULL, NULL),
 417     ITEM_FACTORY_ENTRY("/Prepare/_And Selected", NULL,
 418                        prepare_selected_cb_and_ptree, 0, NULL, NULL),
 419     ITEM_FACTORY_ENTRY("/Prepare/_Or Selected", NULL,
 420                        prepare_selected_cb_or_ptree, 0, NULL, NULL),
 421     ITEM_FACTORY_ENTRY("/Prepare/A_nd Not Selected", NULL,
 422                        prepare_selected_cb_and_ptree_not, 0, NULL, NULL),
 423     ITEM_FACTORY_ENTRY("/Prepare/O_r Not Selected", NULL,
 424                        prepare_selected_cb_or_ptree_not, 0, NULL, NULL),
 425     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 426     ITEM_FACTORY_ENTRY("/Collapse All", NULL, collapse_all_cb, 0, NULL, NULL),
 427     ITEM_FACTORY_ENTRY("/Expand All", NULL, expand_all_cb, 0, NULL, NULL),
 428     ITEM_FACTORY_ENTRY("/Expand Tree", NULL, expand_tree_cb, 0, NULL, NULL)
 429 };
 430
 431 static GtkItemFactoryEntry hexdump_menu_items[] =
 432 {
 433     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 434                        0, NULL, NULL),
 435     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 436     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 437                        0, NULL, NULL),
 438     ITEM_FACTORY_ENTRY("/Export Selected Packet Bytes...", NULL, savehex_cb,
 439                        0, NULL, NULL)
 440 };
 441
 442 static int initialize = TRUE;
 443 static GtkItemFactory *main_menu_factory = NULL;
 444 static GtkItemFactory *packet_list_menu_factory = NULL;
 445 static GtkItemFactory *tree_view_menu_factory = NULL;
 446 static GtkItemFactory *hexdump_menu_factory = NULL;
 447
 448 static GSList *popup_menu_list = NULL;
 449
 450 static GtkAccelGroup *grp;
 451
 452 GtkWidget *
 453 main_menu_new(GtkAccelGroup ** table) {
 454   GtkWidget *menubar;
 455
 456   grp = gtk_accel_group_new();
 457
 458   if (initialize)
 459     menus_init();
 460
 461   menubar = main_menu_factory->widget;
 462
 463   if (table)
 464     *table = grp;
 465
 466   return menubar;
 467 }
 468
 469 static void
 470 menus_init(void) {
 471   if (initialize) {
 472     initialize = FALSE;
 473
 474     /* popup */
 475     packet_list_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 476     popup_menu_object = gtk_menu_new();
 477     gtk_item_factory_create_items_ac(packet_list_menu_factory, sizeof(packet_list_menu_items)/sizeof(packet_list_menu_items[0]), packet_list_menu_items, popup_menu_object, 2);
 478     OBJECT_SET_DATA(popup_menu_object, PM_PACKET_LIST_KEY,
 479                     packet_list_menu_factory->widget);
 480     popup_menu_list = g_slist_append((GSList *)popup_menu_list, packet_list_menu_factory);
 481
 482     tree_view_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 483     gtk_item_factory_create_items_ac(tree_view_menu_factory, sizeof(tree_view_menu_items)/sizeof(tree_view_menu_items[0]), tree_view_menu_items, popup_menu_object, 2);
 484     OBJECT_SET_DATA(popup_menu_object, PM_TREE_VIEW_KEY,
 485                     tree_view_menu_factory->widget);
 486     popup_menu_list = g_slist_append((GSList *)popup_menu_list, tree_view_menu_factory);
 487
 488     hexdump_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 489     gtk_item_factory_create_items_ac(hexdump_menu_factory, sizeof(hexdump_menu_items)/sizeof(hexdump_menu_items[0]), hexdump_menu_items, popup_menu_object, 2);
 490     OBJECT_SET_DATA(popup_menu_object, PM_HEXDUMP_KEY,
 491                     hexdump_menu_factory->widget);
 492     popup_menu_list = g_slist_append((GSList *)popup_menu_list, hexdump_menu_factory);
 493
 494     /* main */
 495     main_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU_BAR, "<main>", grp);
 496     gtk_item_factory_create_items_ac(main_menu_factory, nmenu_items, menu_items, NULL, 2);
 497
 498     merge_all_tap_menus(tap_menu_tree_root);
 499
 500     /* Initialize enabled/disabled state of menu items */
 501     set_menus_for_unsaved_capture_file(FALSE);
 502     set_menus_for_capture_file(FALSE);
 503 #if 0
 504     /* Un-#if this when we actually implement Cut/Copy/Paste.
 505        Then make sure you enable them when they can be done. */
 506     set_menu_sensitivity(main_menu_factory, "/Edit/Cut", FALSE);
 507     set_menu_sensitivity(main_menu_factory, "/Edit/Copy", FALSE);
 508     set_menu_sensitivity(main_menu_factory, "/Edit/Paste", FALSE);
 509 #endif
 510
 511     set_menus_for_captured_packets(FALSE);
 512     set_menus_for_selected_packet(&cfile);
 513     set_menus_for_selected_tree_row(&cfile);
 514
 515     /* init with an empty recent files list */
 516     clear_menu_recent_capture_file_cmd_cb(NULL, NULL);
 517   }
 518 }
 519
 520
 521 gint tap_menu_item_add_compare(gconstpointer a, gconstpointer b)
 522 {
 523     return strcmp(
 524         ((const menu_item_t *) a)->name,
 525         ((const menu_item_t *) b)->name);
 526 }
 527
 528
 529 /* add a menuitem below the current node */
 530 GList * tap_menu_item_add(
 531     char *name,
 532     gint group,
 533     GtkItemFactoryCallback callback,
 534     gboolean (*selected_packet_enabled)(frame_data *, epan_dissect_t *),
 535     gboolean (*selected_tree_row_enabled)(field_info *),
 536     gpointer callback_data,
 537         GList *curnode)
 538 {
 539     menu_item_t *curr;
 540         menu_item_t *child;
 541
 542
 543         child = g_malloc(sizeof (menu_item_t));
 544     child->group            = group;
 545         child->name             = name;
 546     child->callback         = callback;
 547         child->selected_packet_enabled = selected_packet_enabled;
 548         child->selected_tree_row_enabled = selected_tree_row_enabled;
 549     child->callback_data    = callback_data;
 550         child->enabled          = FALSE;
 551     child->children         = NULL;
 552
 553     /* insert the new child node into the parent */
 554     curr = curnode->data;
 555     curr->children = g_list_insert_sorted(curr->children, child, tap_menu_item_add_compare);
 556
 557     /* return the new node */
 558     /* XXX: improve this */
 559     return g_list_find(curr->children, child);
 560 }
 561
 562 /*
 563  * Add a new menu item for a tap.
 564  * This must be called after we've created the main menu, so it can't
 565  * be called from the routine that registers taps - we have to introduce
 566  * another per-tap registration routine.
 567  *
 568  * "callback" gets called when the menu item is selected; it should do
 569  * the work of creating the tap window.
 570  *
 571  * "selected_packet_enabled" gets called by "set_menus_for_selected_packet()";
 572  * it's passed a Boolean that's TRUE if a packet is selected and FALSE
 573  * otherwise, and should return TRUE if the tap will work now (which
 574  * might depend on whether a packet is selected and, if one is, on the
 575  * packet) and FALSE if not.
 576  *
 577  * "selected_tree_row_enabled" gets called by
 578  * "set_menus_for_selected_tree_row()"; it's passed a Boolean that's TRUE if
 579  * a protocol tree row is selected and FALSE otherwise, and should return
 580  * TRUE if the tap will work now (which might depend on whether a tree row
 581  * is selected and, if one is, on the tree row) and FALSE if not.
 582  */
 583 void
 584 register_tap_menu_item(
 585     char *name,
 586     gint group,
 587     GtkItemFactoryCallback callback,
 588     gboolean (*selected_packet_enabled)(frame_data *, epan_dissect_t *),
 589     gboolean (*selected_tree_row_enabled)(field_info *),
 590     gpointer callback_data)
 591 {
 592         /*static const char toolspath[] = "/Statistics/";*/
 593         char *toolspath;
 594         char *p;
 595         char *menupath;
 596         size_t menupathlen;
 597         menu_item_t *child;
 598     GList *curnode;
 599     GList *childnode;
 600
 601     /*
 602      * The menu path must be relative.
 603      */
 604         g_assert(*name != '/');
 605
 606     switch(group) {
 607     case(REGISTER_TAP_GROUP_GENERIC): toolspath = "/Statistics/"; break;
 608     case(REGISTER_TAP_GROUP_CONVERSATION_LIST): toolspath = "/Statistics/_Conversation List/"; break;
 609     case(REGISTER_TAP_GROUP_ENDPOINT_LIST): toolspath = "/Statistics/_Endpoint List/"; break;
 610     case(REGISTER_TAP_GROUP_RESPONSE_TIME): toolspath = "/Statistics/Service _Response Time/"; break;
 611     case(REGISTER_TAP_GROUP_NONE): toolspath = "/Statistics/"; break;
 612     default:
 613         g_assert(0);
 614         toolspath = NULL;
 615     }
 616
 617     /* add the (empty) root node, if not already done */
 618     if(tap_menu_tree_root == NULL) {
 619         child = g_malloc0(sizeof (menu_item_t));
 620         tap_menu_tree_root = g_list_append(NULL, child);
 621     }
 622
 623     /*
 624      * Create any submenus required.
 625      */
 626     curnode = tap_menu_tree_root;
 627     p = name;
 628     while ((p = strchr(p, '/')) != NULL) {
 629         /*
 630          * OK, everything between "name" and "p" is
 631          * a menu relative subtree into which the menu item
 632          * will be placed.
 633          *
 634          * Construct the absolute path name of that subtree.
 635          */
 636         menupathlen = strlen(toolspath) + 1 + (p - name);
 637         menupath = g_malloc(menupathlen);
 638         strcpy(menupath, toolspath);
 639         strncat(menupath, name, p - name);
 640
 641         /*
 642          * Does there exist an entry with that path at this
 643          * level of the Analyze menu tree?
 644          */
 645         child = curnode->data;
 646         for (childnode = child->children; childnode != NULL; childnode = childnode->next) {
 647             child = childnode->data;
 648             if (strcmp(child->name, menupath) == 0)
 649                 break;
 650         }
 651         if (childnode == NULL) {
 652             /*
 653              * No.  Create such an item as a subtree, and
 654              * add it to the Tools menu tree.
 655              */
 656             childnode = tap_menu_item_add(
 657                 menupath, group, NULL, NULL ,NULL, NULL, curnode);
 658         } else {
 659             /*
 660              * Yes.  We don't need this "menupath" any longer.
 661              */
 662             g_free(menupath);
 663         }
 664         curnode = childnode;
 665
 666         /*
 667          * Skip over the '/' we found.
 668          */
 669         p++;
 670     }
 671
 672     /*
 673      * Construct the main menu path for the menu item.
 674      */
 675     menupathlen = strlen(toolspath) + 1 + strlen(name);
 676     menupath = g_malloc(menupathlen);
 677     strcpy(menupath, toolspath);
 678     strcat(menupath, name);
 679
 680     /*
 681      * Construct an item factory entry for the item, and add it to
 682      * the main menu.
 683      */
 684     tap_menu_item_add(
 685         menupath, group, callback,
 686         selected_packet_enabled, selected_tree_row_enabled,
 687         callback_data, curnode);
 688 }
 689
 690
 691 guint merge_tap_menus_layered(GList *node, gint group) {
 692     GtkItemFactoryEntry *entry;
 693     GList       *child;
 694     guint       added = 0;
 695     menu_item_t *node_data = node->data;
 696
 697     /*
 698      * Is this a leaf node or an interior node?
 699      */
 700     if (node_data->children == NULL) {
 701         /*
 702          * It's a leaf node.
 703          */
 704
 705         /*
 706          * The root node doesn't correspond to a menu tree item; it
 707          * has a null name pointer.
 708          */
 709         if (node_data->name != NULL && group == node_data->group) {
 710             entry = g_malloc0(sizeof (GtkItemFactoryEntry));
 711             entry->path = node_data->name;
 712             entry->callback = node_data->callback;
 713             gtk_item_factory_create_item(main_menu_factory, entry, node_data->callback_data, 2);
 714             set_menu_sensitivity(main_menu_factory, node_data->name, FALSE); /* no capture file yet */
 715             added++;
 716         }
 717     } else {
 718         /*
 719          * It's an interior node; call
 720          * "merge_tap_menus_layered()" on all its children
 721          */
 722
 723         /*
 724          * The root node doesn't correspond to a menu tree item; it
 725          * has a null name pointer.
 726          */
 727         if (node_data->name != NULL && group == node_data->group) {
 728             entry = g_malloc0(sizeof (GtkItemFactoryEntry));
 729             entry->path = node_data->name;
 730             entry->item_type = "<Branch>";
 731             gtk_item_factory_create_item(main_menu_factory, entry,
 732                 NULL, 2);
 733             set_menu_sensitivity(main_menu_factory, node_data->name,
 734                 FALSE);    /* no children yet */
 735             added++;
 736         }
 737
 738         for (child = node_data->children; child != NULL; child =
 739             child->next) {
 740             added += merge_tap_menus_layered(child, group);
 741         }
 742     }
 743
 744     return added;
 745 }
 746
 747
 748 void merge_all_tap_menus(GList *node) {
 749     GtkItemFactoryEntry *entry;
 750
 751     entry = g_malloc0(sizeof (GtkItemFactoryEntry));
 752     entry->item_type = "<Separator>";
 753     entry->path = "/Statistics/";
 754
 755     /*
 756      * merge only the menu items of the specific group,
 757      * and then append a seperator
 758      */
 759     if (merge_tap_menus_layered(node, REGISTER_TAP_GROUP_GENERIC)) {
 760         gtk_item_factory_create_item(main_menu_factory, entry, NULL, 2);
 761     }
 762     if (merge_tap_menus_layered(node, REGISTER_TAP_GROUP_CONVERSATION_LIST)) {
 763         /*gtk_item_factory_create_item(main_menu_factory, entry, NULL, 2);*/
 764     }
 765     if (merge_tap_menus_layered(node, REGISTER_TAP_GROUP_ENDPOINT_LIST)) {
 766         /*gtk_item_factory_create_item(main_menu_factory, entry, NULL, 2);*/
 767     }
 768     if (merge_tap_menus_layered(node, REGISTER_TAP_GROUP_RESPONSE_TIME)) {
 769         gtk_item_factory_create_item(main_menu_factory, entry, NULL, 2);
 770     }
 771     if (merge_tap_menus_layered(node, REGISTER_TAP_GROUP_NONE)) {
 772         /*gtk_item_factory_create_item(main_menu_factory, entry, NULL, 2);*/
 773     }
 774 }
 775
 776
 777
 778 /*
 779  * Enable/disable menu sensitivity.
 780  */
 781 static void
 782 set_menu_sensitivity(GtkItemFactory *ifactory, const gchar *path, gint val)
 783 {
 784   GSList *menu_list;
 785   GtkWidget *menu_item;
 786   gchar *dup;
 787   gchar *dest;
 788
 789
 790   /* the underscore character regularly confuses things, as it will prevent finding
 791    * the menu_item, so it has to be removed first */
 792   dup = g_strdup(path);
 793   dest = dup;
 794   while(*path) {
 795       if (*path != '_') {
 796         *dest = *path;
 797         dest++;
 798       }
 799       path++;
 800   }
 801   *dest = '\0';
 802
 803   if (ifactory == NULL) {
 804     /*
 805      * Do it for all pop-up menus.
 806      */
 807     for (menu_list = popup_menu_list; menu_list != NULL;
 808          menu_list = g_slist_next(menu_list))
 809       set_menu_sensitivity(menu_list->data, dup, val);
 810   } else {
 811     /*
 812      * Do it for that particular menu.
 813      */
 814     if ((menu_item = gtk_item_factory_get_widget(ifactory, dup)) != NULL) {
 815       if (GTK_IS_MENU(menu_item)) {
 816         /*
 817          * "dup" refers to a submenu; "gtk_item_factory_get_widget()"
 818          * gets the menu, not the item that, when selected, pops up
 819          * the submenu.
 820          *
 821          * We have to change the latter item's sensitivity, so that
 822          * it shows up normally if sensitive and grayed-out if
 823          * insensitive.
 824          */
 825         menu_item = gtk_menu_get_attach_widget(GTK_MENU(menu_item));
 826       }
 827       gtk_widget_set_sensitive(menu_item, val);
 828     } else{
 829       /* be sure this menu item *is* existing */
 830       g_assert_not_reached();
 831     }
 832   }
 833
 834   g_free(dup);
 835 }
 836
 837 void
 838 set_menu_object_data_meat(GtkItemFactory *ifactory, gchar *path, gchar *key, gpointer data)
 839 {
 840         GtkWidget *menu = NULL;
 841
 842         if ((menu = gtk_item_factory_get_widget(ifactory, path)) != NULL)
 843                 OBJECT_SET_DATA(menu, key, data);
 844 }
 845
 846 void
 847 set_menu_object_data (gchar *path, gchar *key, gpointer data) {
 848   GSList *menu_list = popup_menu_list;
 849   gchar *shortpath = strrchr(path, '/');
 850
 851   set_menu_object_data_meat(main_menu_factory, path, key, data);
 852   while (menu_list != NULL) {
 853         set_menu_object_data_meat(menu_list->data, shortpath, key, data);
 854         menu_list = g_slist_next(menu_list);
 855   }
 856 }
 857
 858
 859 /* Recently used capture files submenu:
 860  * Submenu containing the recently used capture files.
 861  * The capture filenames are always kept with the absolute path, to be independant
 862  * of the current path.
 863  * They are only stored inside the labels of the submenu (no separate list). */
 864
 865 #define MENU_RECENT_FILES_PATH "/File/Open Recent"
 866 #define MENU_RECENT_FILES_KEY "Recent File Name"
 867
 868 void
 869 update_menu_recent_capture_file1(GtkWidget *widget, gpointer cnt) {
 870     gchar *widget_cf_name;
 871
 872     widget_cf_name = OBJECT_GET_DATA(widget, MENU_RECENT_FILES_KEY);
 873
 874     /* if this menu item is a file, count it */
 875     if (widget_cf_name) {
 876         (*(guint *)cnt)++;
 877     }
 878 }
 879
 880
 881 /* update the menu */
 882 void
 883 update_menu_recent_capture_file(GtkWidget *submenu_recent_files) {
 884     guint cnt = 0;
 885
 886     gtk_container_foreach(GTK_CONTAINER(submenu_recent_files),
 887                 update_menu_recent_capture_file1, &cnt);
 888
 889     /* make parent menu item sensitive only, if we have any valid files in the list */
 890     set_menu_sensitivity(main_menu_factory, MENU_RECENT_FILES_PATH, cnt);
 891 }
 892
 893
 894 /* remove the capture filename from the "Recent Files" menu */
 895 void
 896 remove_menu_recent_capture_file(GtkWidget *widget, gpointer unused _U_) {
 897     GtkWidget *submenu_recent_files;
 898     gchar *widget_cf_name;
 899
 900
 901     widget_cf_name = OBJECT_GET_DATA(widget, MENU_RECENT_FILES_KEY);
 902     g_free(widget_cf_name);
 903
 904     /* get the submenu container item */
 905     submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
 906
 907     /* XXX: is this all we need to do, to free the menu item and its label?
 908        The reference count of widget will go to 0, so it'll be freed;
 909        will that free the label? */
 910     gtk_container_remove(GTK_CONTAINER(submenu_recent_files), widget);
 911 }
 912
 913
 914 /* callback, if the user pushed the <Clear File List> item */
 915 static void
 916 clear_menu_recent_capture_file_cmd_cb(GtkWidget *w _U_, gpointer unused _U_) {
 917     GtkWidget *submenu_recent_files;
 918
 919
 920     submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
 921
 922     gtk_container_foreach(GTK_CONTAINER(submenu_recent_files),
 923                 remove_menu_recent_capture_file, NULL);
 924
 925     update_menu_recent_capture_file(submenu_recent_files);
 926 }
 927
 928
 929 /* callback, if the user pushed a recent file submenu item */
 930 void
 931 menu_open_recent_file_cmd(GtkWidget *w)
 932 {
 933         GtkWidget *submenu_recent_files;
 934         GtkWidget *menu_item_child;
 935         gchar     *cf_name;
 936         int       err;
 937
 938         submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
 939
 940         /* get capture filename from the menu item label */
 941         menu_item_child = (GTK_BIN(w))->child;
 942         gtk_label_get(GTK_LABEL(menu_item_child), &cf_name);
 943
 944         /* open and read the capture file (this will close an existing file) */
 945         if ((err = cf_open(cf_name, FALSE, &cfile)) == 0) {
 946                 cf_read(&cfile);
 947         } else {
 948                 /* the capture file isn't existing any longer, remove menu item */
 949                 /* XXX: ask user to remove item, it's maybe only a temporary problem */
 950                 remove_menu_recent_capture_file(w, NULL);
 951         }
 952
 953         update_menu_recent_capture_file(submenu_recent_files);
 954 }
 955
 956 static void menu_open_recent_file_answered_cb(gpointer dialog _U_, gint btn, gpointer data _U_)
 957 {
 958     switch(btn) {
 959     case(ESD_BTN_YES):
 960         /* save file first */
 961         file_save_as_cmd(after_save_open_recent_file, data);
 962         break;
 963     case(ESD_BTN_NO):
 964         cf_close(&cfile);
 965         menu_open_recent_file_cmd(data);
 966         break;
 967     case(ESD_BTN_CANCEL):
 968         break;
 969     default:
 970         g_assert_not_reached();
 971     }
 972 }
 973
 974 void
 975 menu_open_recent_file_cmd_cb(GtkWidget *widget, gpointer data _U_) {
 976   gpointer  dialog;
 977
 978
 979   if((cfile.state != FILE_CLOSED) && !cfile.user_saved) {
 980     /* user didn't saved his current file, ask him */
 981     dialog = simple_dialog(ESD_TYPE_CONFIRMATION, ESD_BTNS_YES_NO_CANCEL,
 982                 PRIMARY_TEXT_START "Save capture file before opening a new one?" PRIMARY_TEXT_END "\n\n"
 983                 "If you open a new capture file without saving, your current capture data will be discarded.");
 984     simple_dialog_set_cb(dialog, menu_open_recent_file_answered_cb, widget);
 985   } else {
 986     /* unchanged file */
 987     menu_open_recent_file_cmd(widget);
 988   }
 989 }
 990
 991 /* add the capture filename (with an absolute path) to the "Recent Files" menu */
 992 void
 993 add_menu_recent_capture_file_absolute(gchar *cf_name) {
 994         GtkWidget *submenu_recent_files;
 995         GList *menu_item_list;
 996         GList *li;
 997         gchar *widget_cf_name;
 998         gchar *normalized_cf_name;
 999         GtkWidget *menu_item;
1000         guint cnt;
1001
1002
1003
1004         normalized_cf_name = g_strdup(cf_name);
1005 #ifdef WIN32
1006     /* replace all slashes by backslashes */
1007     g_strdelimit(normalized_cf_name, "/", '\\');
1008 #endif
1009
1010         /* get the submenu container item */
1011         submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
1012
1013         /* convert container to a GList */
1014         menu_item_list = gtk_container_children(GTK_CONTAINER(submenu_recent_files));
1015
1016         /* iterate through list items of menu_item_list,
1017          * removing special items, a maybe duplicate entry and every item above count_max */
1018         cnt = 1;
1019         for (li = g_list_first(menu_item_list); li; li = li->next, cnt++) {
1020                 /* get capture filename */
1021                 menu_item = GTK_WIDGET(li->data);
1022                 widget_cf_name = OBJECT_GET_DATA(menu_item, MENU_RECENT_FILES_KEY);
1023
1024                 /* if this element string is one of our special items (seperator, ...) or
1025                  * already in the list or
1026                  * this element is above maximum count (too old), remove it */
1027                 if (!widget_cf_name ||
1028 #ifdef WIN32
1029             /* do a case insensitive compare on win32 */
1030 #if GLIB_MAJOR_VERSION < 2
1031             g_strncasecmp(widget_cf_name, normalized_cf_name, 1000) == 0 ||
1032 #else
1033             g_ascii_strncasecmp(widget_cf_name, normalized_cf_name, 1000) == 0 ||
1034 #endif
1035 #else   /* WIN32 */
1036             /* do a case sensitive compare on unix */
1037                     strncmp(widget_cf_name, normalized_cf_name, 1000) == 0 ||
1038 #endif
1039                     cnt >= prefs.gui_recent_files_count_max) {
1040                         remove_menu_recent_capture_file(li->data, NULL);
1041                         cnt--;
1042                 }
1043         }
1044
1045         g_list_free(menu_item_list);
1046
1047         /* add new item at latest position */
1048         menu_item = gtk_menu_item_new_with_label(normalized_cf_name);
1049         OBJECT_SET_DATA(menu_item, MENU_RECENT_FILES_KEY, normalized_cf_name);
1050         gtk_menu_prepend (GTK_MENU(submenu_recent_files), menu_item);
1051         SIGNAL_CONNECT_OBJECT(GTK_OBJECT(menu_item), "activate",
1052                 menu_open_recent_file_cmd_cb, (GtkObject *) menu_item);
1053         gtk_widget_show (menu_item);
1054
1055         /* add seperator at last position */
1056         menu_item = gtk_menu_item_new();
1057         gtk_menu_append (GTK_MENU(submenu_recent_files), menu_item);
1058         gtk_widget_show (menu_item);
1059
1060         /* add new "clear list" item at last position */
1061 #if GTK_MAJOR_VERSION < 2
1062         menu_item = gtk_menu_item_new_with_label("<Clear File List>");
1063 #else
1064     menu_item = gtk_image_menu_item_new_from_stock
1065                     (GTK_STOCK_CLEAR, NULL);
1066 #endif
1067         gtk_menu_append (GTK_MENU(submenu_recent_files), menu_item);
1068         SIGNAL_CONNECT_OBJECT(GTK_OBJECT(menu_item), "activate",
1069                 clear_menu_recent_capture_file_cmd_cb, (GtkObject *) menu_item);
1070         gtk_widget_show (menu_item);
1071
1072         update_menu_recent_capture_file(submenu_recent_files);
1073 }
1074
1075
1076 /* add the capture filename to the "Recent Files" menu */
1077 /* (will change nothing, if this filename is already in the menu) */
1078 void
1079 add_menu_recent_capture_file(gchar *cf_name) {
1080         gchar *curr;
1081         gchar *absolute;
1082
1083
1084         /* if this filename is an absolute path, we can use it directly */
1085         if (g_path_is_absolute(cf_name)) {
1086                 add_menu_recent_capture_file_absolute(cf_name);
1087                 return;
1088         }
1089
1090         /* this filename is not an absolute path, prepend the current dir */
1091         curr = g_get_current_dir();
1092         absolute = g_strdup_printf("%s%s%s", curr, G_DIR_SEPARATOR_S, cf_name);
1093         add_menu_recent_capture_file_absolute(absolute);
1094         g_free(curr);
1095         g_free(absolute);
1096 }
1097
1098
1099 /* write all capture filenames of the menu to the user's recent file */
1100 void
1101 menu_recent_file_write_all(FILE *rf) {
1102         GtkWidget   *submenu_recent_files;
1103     GList       *children;
1104         GList       *child;
1105         gchar       *cf_name;
1106
1107
1108         submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
1109
1110     /* we have to iterate backwards through the children's list,
1111      * so we get the latest item last in the file.
1112      * (don't use gtk_container_foreach() here, it will return the wrong iteration order) */
1113     children = gtk_container_children(GTK_CONTAINER(submenu_recent_files));
1114     child = g_list_last(children);
1115     while(child != NULL) {
1116             /* get capture filename from the menu item label */
1117             cf_name = OBJECT_GET_DATA(child->data, MENU_RECENT_FILES_KEY);
1118             if (cf_name) {
1119                 fprintf (rf, RECENT_KEY_CAPTURE_FILE ": %s\n", cf_name);
1120             }
1121
1122         child = g_list_previous(child);
1123     }
1124
1125         g_list_free(children);
1126 }
1127
1128
1129 static void
1130 main_toolbar_show_cb(GtkWidget *w _U_, gpointer d _U_)
1131 {
1132
1133     /* save current setting in recent */
1134     recent.main_toolbar_show = GTK_CHECK_MENU_ITEM(w)->active;
1135
1136     main_widgets_rearrange();
1137 }
1138
1139
1140 static void
1141 filter_toolbar_show_cb(GtkWidget *w _U_, gpointer d _U_)
1142 {
1143
1144     /* save current setting in recent */
1145     recent.filter_toolbar_show = GTK_CHECK_MENU_ITEM(w)->active;
1146
1147     main_widgets_rearrange();
1148 }
1149
1150
1151 static void
1152 packet_list_show_cb(GtkWidget *w _U_, gpointer d _U_)
1153 {
1154
1155     /* save current setting in recent */
1156     recent.packet_list_show = GTK_CHECK_MENU_ITEM(w)->active;
1157
1158     main_widgets_rearrange();
1159 }
1160
1161
1162 static void
1163 tree_view_show_cb(GtkWidget *w _U_, gpointer d _U_)
1164 {
1165
1166     /* save current setting in recent */
1167     recent.tree_view_show = GTK_CHECK_MENU_ITEM(w)->active;
1168
1169     main_widgets_rearrange();
1170 }
1171
1172
1173 static void
1174 byte_view_show_cb(GtkWidget *w _U_, gpointer d _U_)
1175 {
1176
1177     /* save current setting in recent */
1178     recent.byte_view_show = GTK_CHECK_MENU_ITEM(w)->active;
1179
1180     main_widgets_rearrange();
1181 }
1182
1183
1184 static void
1185 statusbar_show_cb(GtkWidget *w _U_, gpointer d _U_)
1186 {
1187
1188     /* save current setting in recent */
1189     recent.statusbar_show = GTK_CHECK_MENU_ITEM(w)->active;
1190
1191     main_widgets_rearrange();
1192 }
1193
1194
1195 static void
1196 timestamp_absolute_cb(GtkWidget *w _U_, gpointer d _U_)
1197 {
1198     if (recent.gui_time_format != TS_ABSOLUTE) {
1199         set_timestamp_setting(TS_ABSOLUTE);
1200         recent.gui_time_format  = TS_ABSOLUTE;
1201         change_time_formats(&cfile);
1202     }
1203 }
1204
1205 static void
1206 timestamp_absolute_date_cb(GtkWidget *w _U_, gpointer d _U_)
1207 {
1208     if (recent.gui_time_format != TS_ABSOLUTE_WITH_DATE) {
1209         set_timestamp_setting(TS_ABSOLUTE_WITH_DATE);
1210         recent.gui_time_format  = TS_ABSOLUTE_WITH_DATE;
1211         change_time_formats(&cfile);
1212     }
1213 }
1214
1215 static void
1216 timestamp_relative_cb(GtkWidget *w _U_, gpointer d _U_)
1217 {
1218     if (recent.gui_time_format != TS_RELATIVE) {
1219         set_timestamp_setting(TS_RELATIVE);
1220         recent.gui_time_format  = TS_RELATIVE;
1221         change_time_formats(&cfile);
1222     }
1223 }
1224
1225 static void
1226 timestamp_delta_cb(GtkWidget *w _U_, gpointer d _U_)
1227 {
1228     if (recent.gui_time_format != TS_DELTA) {
1229         set_timestamp_setting(TS_DELTA);
1230         recent.gui_time_format  = TS_DELTA;
1231         change_time_formats(&cfile);
1232     }
1233 }
1234
1235 static void
1236 name_resolution_mac_cb(GtkWidget *w _U_, gpointer d _U_)
1237 {
1238     if (GTK_CHECK_MENU_ITEM(w)->active) {
1239         g_resolv_flags |= RESOLV_MAC;
1240     } else {
1241         g_resolv_flags &= ~RESOLV_MAC;
1242     }
1243 }
1244
1245 static void
1246 name_resolution_network_cb(GtkWidget *w _U_, gpointer d _U_)
1247 {
1248     if (GTK_CHECK_MENU_ITEM(w)->active) {
1249         g_resolv_flags |= RESOLV_NETWORK;
1250     } else {
1251         g_resolv_flags &= ~RESOLV_NETWORK;
1252     }
1253 }
1254
1255 static void
1256 name_resolution_transport_cb(GtkWidget *w _U_, gpointer d _U_)
1257 {
1258     if (GTK_CHECK_MENU_ITEM(w)->active) {
1259         g_resolv_flags |= RESOLV_TRANSPORT;
1260     } else {
1261         g_resolv_flags &= ~RESOLV_TRANSPORT;
1262     }
1263 }
1264
1265 #ifdef HAVE_LIBPCAP
1266 static void
1267 auto_scroll_live_cb(GtkWidget *w _U_, gpointer d _U_)
1268 {
1269     auto_scroll_live = GTK_CHECK_MENU_ITEM(w)->active;
1270 }
1271 #endif
1272
1273 /* the recent file read has finished, update the menu corresponding */
1274 void
1275 menu_recent_read_finished(void) {
1276     GtkWidget *menu = NULL;
1277
1278     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Main Toolbar");
1279     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), recent.main_toolbar_show);
1280
1281     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Filter Toolbar");
1282     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), recent.filter_toolbar_show);
1283
1284     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Statusbar");
1285     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), recent.statusbar_show);
1286
1287     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Packet List");
1288     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), recent.packet_list_show);
1289
1290     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Packet Details");
1291     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), recent.tree_view_show);
1292
1293     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Packet Bytes");
1294     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), recent.byte_view_show);
1295
1296     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Name Resolution/Enable for MAC Layer");
1297     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), g_resolv_flags & RESOLV_MAC);
1298
1299     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Name Resolution/Enable for Network Layer");
1300     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), g_resolv_flags & RESOLV_NETWORK);
1301
1302     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Name Resolution/Enable for Transport Layer");
1303     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), g_resolv_flags & RESOLV_TRANSPORT);
1304
1305 #ifdef HAVE_LIBPCAP
1306     menu = gtk_item_factory_get_widget(main_menu_factory, "/View/Auto Scroll in Live Capture");
1307     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), auto_scroll_live);
1308 #endif
1309
1310     main_widgets_rearrange();
1311
1312     /* don't change the time format, if we had a command line value */
1313     if (get_timestamp_setting() != TS_NOT_SET) {
1314         recent.gui_time_format = get_timestamp_setting();
1315     }
1316
1317     switch(recent.gui_time_format) {
1318     case(TS_ABSOLUTE):
1319         menu = gtk_item_factory_get_widget(main_menu_factory,
1320             "/View/Time Display Format/Time of Day");
1321         /* set_active will not trigger the callback when activating an active item! */
1322         recent.gui_time_format = -1;
1323         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), FALSE);
1324         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), TRUE);
1325         break;
1326     case(TS_ABSOLUTE_WITH_DATE):
1327         menu = gtk_item_factory_get_widget(main_menu_factory,
1328             "/View/Time Display Format/Date and Time of Day");
1329         recent.gui_time_format = -1;
1330         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), TRUE);
1331         break;
1332     case(TS_RELATIVE):
1333         menu = gtk_item_factory_get_widget(main_menu_factory,
1334             "/View/Time Display Format/Seconds Since Beginning of Capture");
1335         recent.gui_time_format = -1;
1336         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), TRUE);
1337         break;
1338     case(TS_DELTA):
1339         menu = gtk_item_factory_get_widget(main_menu_factory,
1340             "/View/Time Display Format/Seconds Since Previous Packet");
1341         recent.gui_time_format = -1;
1342         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), TRUE);
1343         break;
1344     default:
1345         g_assert_not_reached();
1346     }
1347 }
1348
1349
1350 gint
1351 popup_menu_handler(GtkWidget *widget, GdkEvent *event, gpointer data)
1352 {
1353     GtkWidget *menu = (GtkWidget *)data;
1354     GdkEventButton *event_button = NULL;
1355     gint row, column;
1356
1357     if(widget == NULL || event == NULL || data == NULL) {
1358         return FALSE;
1359     }
1360
1361     /*
1362      * If we ever want to make the menu differ based on what row
1363      * and/or column we're above, we'd use "eth_clist_get_selection_info()"
1364      * to find the row and column number for the coordinates; a CTree is,
1365      * I guess, like a CList with one column(?) and the expander widget
1366      * as a pixmap.
1367      */
1368     /* Check if we are on packet_list object */
1369     if (widget == OBJECT_GET_DATA(popup_menu_object, E_MPACKET_LIST_KEY)) {
1370         if (packet_list_get_event_row_column(widget, (GdkEventButton *)event,
1371                                              &row, &column)) {
1372             OBJECT_SET_DATA(popup_menu_object, E_MPACKET_LIST_ROW_KEY,
1373                             GINT_TO_POINTER(row));
1374             OBJECT_SET_DATA(popup_menu_object, E_MPACKET_LIST_COL_KEY,
1375                             GINT_TO_POINTER(column));
1376             packet_list_set_selected_row(row);
1377         }
1378     }
1379
1380     /* Check if we are on tree_view object */
1381     if (widget == tree_view) {
1382         tree_view_select(widget, (GdkEventButton *) event);
1383     }
1384
1385     /* Check if we are on byte_view object */
1386     if(widget == get_notebook_bv_ptr(byte_nb_ptr)) {
1387         byte_view_select(widget, (GdkEventButton *) event);
1388     }
1389
1390     if(event->type == GDK_BUTTON_PRESS) {
1391         event_button = (GdkEventButton *) event;
1392
1393         /* To qoute the "Gdk Event Structures" doc:
1394          * "Normally button 1 is the left mouse button, 2 is the middle button, and 3 is the right button" */
1395         if(event_button->button == 3) {
1396             gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
1397                            event_button->button,
1398                            event_button->time);
1399             SIGNAL_EMIT_STOP_BY_NAME(widget, "button_press_event");
1400             return TRUE;
1401         }
1402     }
1403 #if GTK_MAJOR_VERSION >= 2
1404     /* GDK_2BUTTON_PRESS is a doubleclick -> expand/collapse tree row */
1405     /* GTK version 1 seems to be doing this automatically */
1406     if (widget == tree_view && event->type == GDK_2BUTTON_PRESS) {
1407         GtkTreePath      *path;
1408
1409         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
1410                                           (gint) (((GdkEventButton *)event)->x),
1411                                           (gint) (((GdkEventButton *)event)->y),
1412                                           &path, NULL, NULL, NULL))
1413         {
1414             if (gtk_tree_view_row_expanded(GTK_TREE_VIEW(widget), path))
1415                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(widget), path);
1416             else
1417                 gtk_tree_view_expand_row(GTK_TREE_VIEW(widget), path,
1418                                          FALSE);
1419             gtk_tree_path_free(path);
1420         }
1421     }
1422 #endif
1423     return FALSE;
1424 }
1425
1426 /* Enable or disable menu items based on whether you have a capture file
1427    you've finished reading. */
1428 void
1429 set_menus_for_capture_file(gboolean have_capture_file)
1430 {
1431   set_menu_sensitivity(main_menu_factory, "/File/Open...", have_capture_file);
1432   set_menu_sensitivity(main_menu_factory, "/File/Open Recent", have_capture_file);
1433   set_menu_sensitivity(main_menu_factory, "/File/Close", have_capture_file);
1434   set_menu_sensitivity(main_menu_factory, "/File/Save As...",
1435       have_capture_file);
1436   set_menu_sensitivity(main_menu_factory, "/File/Export", have_capture_file);
1437   set_menu_sensitivity(main_menu_factory, "/View/Reload", have_capture_file);
1438   set_toolbar_for_capture_file(have_capture_file);
1439   packets_bar_update();
1440 }
1441
1442 /* Enable or disable menu items based on whether you have an unsaved
1443    capture file you've finished reading. */
1444 void
1445 set_menus_for_unsaved_capture_file(gboolean have_unsaved_capture_file)
1446 {
1447   set_menu_sensitivity(main_menu_factory, "/File/Save",
1448       have_unsaved_capture_file);
1449   set_toolbar_for_unsaved_capture_file(have_unsaved_capture_file);
1450 }
1451
1452 /* Enable or disable menu items based on whether there's a capture in
1453    progress. */
1454 void
1455 set_menus_for_capture_in_progress(gboolean capture_in_progress)
1456 {
1457   set_menu_sensitivity(main_menu_factory, "/File/Open...",
1458       !capture_in_progress);
1459   set_menu_sensitivity(main_menu_factory, "/File/Open Recent",
1460       !capture_in_progress);
1461 #ifdef HAVE_LIBPCAP
1462   set_menu_sensitivity(main_menu_factory, "/Capture/Start...",
1463       !capture_in_progress);
1464   set_menu_sensitivity(main_menu_factory, "/Capture/Stop",
1465       capture_in_progress);
1466 #endif /* HAVE_LIBPCAP */
1467   set_toolbar_for_capture_in_progress(capture_in_progress);
1468 }
1469
1470 /* Enable or disable menu items based on whether you have some captured
1471    packets. */
1472 static gboolean
1473 walk_menu_tree_for_captured_packets(GList *node,
1474     gboolean have_captured_packets)
1475 {
1476         gboolean    is_enabled;
1477         GList       *child;
1478     menu_item_t *node_data = node->data;
1479
1480         /*
1481          * Is this a leaf node or an interior node?
1482          */
1483         if (node_data->children == NULL) {
1484                 /*
1485                  * It's a leaf node.
1486                  *
1487                  * If it has no "selected_packet_enabled()" or
1488                  * "selected_tree_row_enabled()" routines, we enable
1489                  * it.  This allows tap windows to be popped up even
1490                  * if you have no capture file; this is done to let
1491                  * the user pop up multiple tap windows before reading
1492                  * in a capture file, so that they can be processed in
1493                  * parallel while the capture file is being read rather
1494                  * than one at at time as you pop up the windows, and to
1495                  * let the user pop up tap windows before starting an
1496                  * "Update list of packets in real time" capture, so that
1497                  * the statistics can be displayed while the capture is
1498                  * in progress.
1499                  *
1500                  * If it has either of those routines, we disable it for
1501                  * now - as long as, when a capture is first available,
1502                  * we don't get called after a packet or tree row is
1503                  * selected, that's OK.
1504                  * XXX - that should be done better.
1505                  */
1506                 if (node_data->selected_packet_enabled == NULL &&
1507                     node_data->selected_tree_row_enabled == NULL)
1508                         node_data->enabled = TRUE;
1509                 else
1510                         node_data->enabled = FALSE;
1511         } else {
1512                 /*
1513                  * It's an interior node; call
1514                  * "walk_menu_tree_for_captured_packets()" on all its
1515                  * children and, if any of them are enabled, enable
1516                  * this node, otherwise disable it.
1517                  *
1518                  * XXX - should we just leave all interior nodes enabled?
1519                  * Which is a better UI choice?
1520                  */
1521                 is_enabled = FALSE;
1522                 for (child = node_data->children; child != NULL; child =
1523                     child->next) {
1524                         if (walk_menu_tree_for_captured_packets(child,
1525                             have_captured_packets))
1526                                 is_enabled = TRUE;
1527                 }
1528                 node_data->enabled = is_enabled;
1529         }
1530
1531         /*
1532          * The root node doesn't correspond to a menu tree item; it
1533          * has a null name pointer.
1534          */
1535         if (node_data->name != NULL) {
1536                 set_menu_sensitivity(main_menu_factory, node_data->name,
1537                     node_data->enabled);
1538         }
1539         return node_data->enabled;
1540 }
1541
1542 void
1543 set_menus_for_captured_packets(gboolean have_captured_packets)
1544 {
1545   set_menu_sensitivity(main_menu_factory, "/File/Print...",
1546       have_captured_packets);
1547   set_menu_sensitivity(packet_list_menu_factory, "/Print...",
1548       have_captured_packets);
1549   set_menu_sensitivity(main_menu_factory, "/Edit/Find Packet...",
1550       have_captured_packets);
1551   set_menu_sensitivity(main_menu_factory, "/Edit/Find Next",
1552       have_captured_packets);
1553   set_menu_sensitivity(main_menu_factory, "/Edit/Find Previous",
1554       have_captured_packets);
1555   set_menu_sensitivity(main_menu_factory, "/View/Zoom In",
1556       have_captured_packets);
1557   set_menu_sensitivity(main_menu_factory, "/View/Zoom Out",
1558       have_captured_packets);
1559   set_menu_sensitivity(main_menu_factory, "/View/Normal Size",
1560       have_captured_packets);
1561   set_menu_sensitivity(packet_list_menu_factory, "/Coloring Rules...",
1562       have_captured_packets);
1563   set_menu_sensitivity(main_menu_factory, "/Go/Go to Packet...",
1564       have_captured_packets);
1565   set_menu_sensitivity(main_menu_factory, "/Go/First Packet",
1566       have_captured_packets);
1567   set_menu_sensitivity(main_menu_factory, "/Go/Last Packet",
1568       have_captured_packets);
1569   set_menu_sensitivity(main_menu_factory, "/Statistics/Summary",
1570       have_captured_packets);
1571   set_menu_sensitivity(main_menu_factory, "/Statistics/Protocol Hierarchy",
1572       have_captured_packets);
1573
1574   walk_menu_tree_for_captured_packets(tap_menu_tree_root,
1575       have_captured_packets);
1576   set_toolbar_for_captured_packets(have_captured_packets);
1577   packets_bar_update();
1578 }
1579
1580 /* Enable or disable menu items based on whether a packet is selected and,
1581    if so, on the properties of the packet. */
1582 static gboolean
1583 walk_menu_tree_for_selected_packet(GList *node, frame_data *fd,
1584     epan_dissect_t *edt)
1585 {
1586         gboolean is_enabled;
1587         GList *child;
1588     menu_item_t *node_data = node->data;
1589
1590         /*
1591          * Is this a leaf node or an interior node?
1592          */
1593         if (node_data->children == NULL) {
1594                 /*
1595                  * It's a leaf node.
1596                  *
1597                  * If it has no "selected_packet_enabled()" routine,
1598                  * leave its enabled/disabled status alone - it
1599                  * doesn't depend on whether we have a packet selected
1600                  * or not or on the selected packet.
1601                  *
1602                  * If it has a "selected_packet_enabled()" routine,
1603                  * call it and set the item's enabled/disabled status
1604                  * based on its return value.
1605                  */
1606                 if (node_data->selected_packet_enabled != NULL)
1607                         node_data->enabled = node_data->selected_packet_enabled(fd, edt);
1608         } else {
1609                 /*
1610                  * It's an interior node; call
1611                  * "walk_menu_tree_for_selected_packet()" on all its
1612                  * children and, if any of them are enabled, enable
1613                  * this node, otherwise disable it.
1614                  *
1615                  * XXX - should we just leave all interior nodes enabled?
1616                  * Which is a better UI choice?
1617                  */
1618                 is_enabled = FALSE;
1619                 for (child = node_data->children; child != NULL; child =
1620                     child->next) {
1621                         if (walk_menu_tree_for_selected_packet(child, fd, edt))
1622                                 is_enabled = TRUE;
1623                 }
1624                 node_data->enabled = is_enabled;
1625         }
1626
1627         /*
1628          * The root node doesn't correspond to a menu tree item; it
1629          * has a null name pointer.
1630          */
1631         if (node_data->name != NULL) {
1632                 set_menu_sensitivity(main_menu_factory, node_data->name,
1633                     node_data->enabled);
1634         }
1635         return node_data->enabled;
1636 }
1637
1638 void
1639 set_menus_for_selected_packet(capture_file *cf)
1640 {
1641   set_menu_sensitivity(main_menu_factory, "/Edit/Mark Packet",
1642       cf->current_frame != NULL);
1643   set_menu_sensitivity(packet_list_menu_factory, "/Mark Packet",
1644       cf->current_frame != NULL);
1645   set_menu_sensitivity(main_menu_factory, "/Edit/Time Reference",
1646       cf->current_frame != NULL);
1647   set_menu_sensitivity(packet_list_menu_factory, "/Time Reference",
1648       cf->current_frame != NULL);
1649   set_menu_sensitivity(main_menu_factory, "/Edit/Mark All Packets",
1650       cf->current_frame != NULL);
1651   set_menu_sensitivity(main_menu_factory, "/Edit/Unmark All Packets",
1652       cf->current_frame != NULL);
1653   set_menu_sensitivity(main_menu_factory, "/View/Collapse All",
1654       cf->current_frame != NULL);
1655   set_menu_sensitivity(tree_view_menu_factory, "/Collapse All",
1656       cf->current_frame != NULL);
1657   set_menu_sensitivity(main_menu_factory, "/View/Expand All",
1658       cf->current_frame != NULL);
1659   set_menu_sensitivity(tree_view_menu_factory, "/Expand All",
1660       cf->current_frame != NULL);
1661   set_menu_sensitivity(main_menu_factory, "/View/Show Packet in New Window",
1662       cf->current_frame != NULL);
1663   set_menu_sensitivity(packet_list_menu_factory, "/Show Packet in New Window",
1664       cf->current_frame != NULL);
1665   set_menu_sensitivity(main_menu_factory, "/Analyze/Follow TCP Stream",
1666       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
1667   set_menu_sensitivity(NULL, "/Follow TCP Stream",
1668       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
1669   set_menu_sensitivity(main_menu_factory, "/Analyze/Decode As...",
1670       cf->current_frame != NULL && decode_as_ok());
1671   set_menu_sensitivity(NULL, "/Decode As...",
1672       cf->current_frame != NULL && decode_as_ok());
1673   set_menu_sensitivity(tree_view_menu_factory, "/Resolve Name",
1674       cf->current_frame != NULL && (g_resolv_flags & RESOLV_ALL_ADDRS) != RESOLV_ALL_ADDRS);
1675   set_menu_sensitivity(packet_list_menu_factory, "/Match",
1676       cf->current_frame != NULL);
1677   set_menu_sensitivity(packet_list_menu_factory, "/Prepare",
1678       cf->current_frame != NULL);
1679
1680   walk_menu_tree_for_selected_packet(tap_menu_tree_root, cf->current_frame,
1681       cf->edt);
1682   packets_bar_update();
1683 }
1684
1685 /* Enable or disable menu items based on whether a tree row is selected
1686    and, if so, on the properties of the tree row. */
1687 static gboolean
1688 walk_menu_tree_for_selected_tree_row(GList *node, field_info *fi)
1689 {
1690         gboolean is_enabled;
1691         GList *child;
1692     menu_item_t *node_data = node->data;
1693
1694         /*
1695          * Is this a leaf node or an interior node?
1696          */
1697         if (node_data->children == NULL) {
1698                 /*
1699                  * It's a leaf node.
1700                  *
1701                  * If it has no "selected_tree_row_enabled()" routine,
1702                  * leave its enabled/disabled status alone - it
1703                  * doesn't depend on whether we have a tree row selected
1704                  * or not or on the selected tree row.
1705                  *
1706                  * If it has a "selected_tree_row_enabled()" routine,
1707                  * call it and set the item's enabled/disabled status
1708                  * based on its return value.
1709                  */
1710                 if (node_data->selected_tree_row_enabled != NULL)
1711                         node_data->enabled = node_data->selected_tree_row_enabled(fi);
1712         } else {
1713                 /*
1714                  * It's an interior node; call
1715                  * "walk_menu_tree_for_selected_tree_row()" on all its
1716                  * children and, if any of them are enabled, enable
1717                  * this node, otherwise disable it.
1718                  *
1719                  * XXX - should we just leave all interior nodes enabled?
1720                  * Which is a better UI choice?
1721                  */
1722                 is_enabled = FALSE;
1723                 for (child = node_data->children; child != NULL; child =
1724                     child->next) {
1725                         if (walk_menu_tree_for_selected_tree_row(child, fi))
1726                                 is_enabled = TRUE;
1727                 }
1728                 node_data->enabled = is_enabled;
1729         }
1730
1731         /*
1732          * The root node doesn't correspond to a menu tree item; it
1733          * has a null name pointer.
1734          */
1735         if (node_data->name != NULL) {
1736                 set_menu_sensitivity(main_menu_factory, node_data->name,
1737                     node_data->enabled);
1738         }
1739         return node_data->enabled;
1740 }
1741
1742 void
1743 set_menus_for_selected_tree_row(capture_file *cf)
1744 {
1745   gboolean properties;
1746
1747
1748   set_menu_sensitivity(main_menu_factory, "/File/Export/Selected Packet Bytes...",
1749       cf->finfo_selected != NULL);
1750   set_menu_sensitivity(tree_view_menu_factory, "/Export Selected Packet Bytes...",
1751       cf->finfo_selected != NULL);
1752   set_menu_sensitivity(hexdump_menu_factory, "/Export Selected Packet Bytes...",
1753       cf->finfo_selected != NULL);
1754
1755   if (cf->finfo_selected != NULL) {
1756         header_field_info *hfinfo = cf->finfo_selected->hfinfo;
1757         if (hfinfo->parent == -1) {
1758           properties = prefs_is_registered_protocol(hfinfo->abbrev);
1759         } else {
1760           properties = prefs_is_registered_protocol(proto_registrar_get_abbrev(hfinfo->parent));
1761         }
1762         set_menu_sensitivity(main_menu_factory,
1763           "/Go/Go to Corresponding Packet", hfinfo->type == FT_FRAMENUM);
1764         set_menu_sensitivity(tree_view_menu_factory,
1765           "/Go to Corresponding Packet", hfinfo->type == FT_FRAMENUM);
1766         set_menu_sensitivity(main_menu_factory, "/Analyze/Match",
1767           proto_can_match_selected(cf->finfo_selected, cf->edt));
1768         set_menu_sensitivity(tree_view_menu_factory, "/Match",
1769           proto_can_match_selected(cf->finfo_selected, cf->edt));
1770         set_menu_sensitivity(main_menu_factory, "/Analyze/Prepare",
1771           proto_can_match_selected(cf->finfo_selected, cf->edt));
1772         set_menu_sensitivity(tree_view_menu_factory, "/Prepare",
1773           proto_can_match_selected(cf->finfo_selected, cf->edt));
1774         set_menu_sensitivity(tree_view_menu_factory, "/Protocol Properties...",
1775           properties);
1776         set_menu_sensitivity(main_menu_factory, "/View/Expand Tree", cf->finfo_selected->tree_type != -1);
1777         set_menu_sensitivity(tree_view_menu_factory, "/Expand Tree", cf->finfo_selected->tree_type != -1);
1778   } else {
1779         set_menu_sensitivity(main_menu_factory,
1780             "/Go/Go to Corresponding Packet", FALSE);
1781         set_menu_sensitivity(tree_view_menu_factory,
1782             "/Go to Corresponding Packet", FALSE);
1783         set_menu_sensitivity(main_menu_factory, "/Analyze/Match", FALSE);
1784         set_menu_sensitivity(tree_view_menu_factory, "/Match", FALSE);
1785         set_menu_sensitivity(main_menu_factory, "/Analyze/Prepare", FALSE);
1786         set_menu_sensitivity(tree_view_menu_factory, "/Prepare", FALSE);
1787         set_menu_sensitivity(tree_view_menu_factory, "/Protocol Properties...",
1788           FALSE);
1789         set_menu_sensitivity(main_menu_factory, "/View/Expand Tree", FALSE);
1790         set_menu_sensitivity(tree_view_menu_factory, "/Expand Tree", FALSE);
1791   }
1792
1793   walk_menu_tree_for_selected_tree_row(tap_menu_tree_root, cf->finfo_selected);
1794 }