gtk/menu.c

   1 /* menu.c
   2  * Menu routines
   3  *
   4  * $Id: menu.c,v 1.126 2003/12/16 18:43:34 oabad 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 #include <stdio.h>
  33
  34 #include "main.h"
  35 #include "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 "display_opts.h"
  47 #include "prefs_dlg.h"
  48 #include "packet_win.h"
  49 #include "print.h"
  50 #include "follow_dlg.h"
  51 #include "decode_as_dlg.h"
  52 #include "help_dlg.h"
  53 #include "supported_protos_dlg.h"
  54 #include "proto_dlg.h"
  55 #include "proto_hier_stats_dlg.h"
  56 #include "keys.h"
  57 #include <epan/plugins.h>
  58 #include "tcp_graph.h"
  59 #include <epan/epan_dissect.h>
  60 #include "compat_macros.h"
  61 #include "toolbar.h"
  62 #include "gtkglobals.h"
  63 #include "register.h"
  64 #include "../tap.h"
  65 #include "../menu.h"
  66 #include "../ipproto.h"
  67
  68 GtkWidget *popup_menu_object;
  69
  70 extern void savehex_cb(GtkWidget * w, gpointer data _U_);
  71
  72 #define GTK_MENU_FUNC(a) ((GtkItemFactoryCallback)(a))
  73
  74 static void menus_init(void);
  75 static void set_menu_sensitivity (GtkItemFactory *, gchar *, gint);
  76
  77 /* This is the GtkItemFactoryEntry structure used to generate new menus.
  78        Item 1: The menu path. The letter after the underscore indicates an
  79                accelerator key once the menu is open.
  80        Item 2: The accelerator key for the entry
  81        Item 3: The callback function.
  82        Item 4: The callback action.  This changes the parameters with
  83                which the function is called.  The default is 0.
  84        Item 5: The item type, used to define what kind of an item it is.
  85                Here are the possible values:
  86
  87                NULL               -> "<Item>"
  88                ""                 -> "<Item>"
  89                "<Title>"          -> create a title item
  90                "<Item>"           -> create a simple item
  91                "<ImageItem>"      -> create an item holding an image (gtk2)
  92                "<StockItem>"      -> create an item holding a stock image (gtk2)
  93                "<CheckItem>"      -> create a check item
  94                "<ToggleItem>"     -> create a toggle item
  95                "<RadioItem>"      -> create a radio item
  96                <path>             -> path of a radio item to link against
  97                "<Separator>"      -> create a separator
  98                "<Tearoff>"        -> create a tearoff separator (gtk2)
  99                "<Branch>"         -> create an item to hold sub items (optional)
 100                "<LastBranch>"     -> create a right justified branch
 101        Item 6: extra data needed for ImageItem and StockItem (gtk2)
 102     */
 103
 104 /* main menu */
 105 static GtkItemFactoryEntry menu_items[] =
 106 {
 107     ITEM_FACTORY_ENTRY("/_File", NULL, NULL, 0, "<Branch>", NULL),
 108     ITEM_FACTORY_STOCK_ENTRY("/File/_Open...", "<control>O", file_open_cmd_cb,
 109                              0, GTK_STOCK_OPEN),
 110     ITEM_FACTORY_ENTRY("/File/Open _Recent", NULL, NULL, 0, "<Branch>", NULL),
 111     ITEM_FACTORY_STOCK_ENTRY("/File/_Close", "<control>W", file_close_cmd_cb,
 112                              0, GTK_STOCK_CLOSE),
 113     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 114     ITEM_FACTORY_STOCK_ENTRY("/File/_Save", "<control>S", file_save_cmd_cb,
 115                              0, GTK_STOCK_SAVE),
 116     ITEM_FACTORY_STOCK_ENTRY("/File/Save _As...", "<shift><control>S", file_save_as_cmd_cb,
 117                              0, GTK_STOCK_SAVE_AS),
 118     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 119     ITEM_FACTORY_ENTRY("/File/_Export", NULL, NULL, 0, "<Branch>", NULL),
 120     ITEM_FACTORY_ENTRY("/File/_Export/_Raw Packet Data...", "<control>H", savehex_cb,
 121                              0, NULL, NULL),
 122     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 123     ITEM_FACTORY_STOCK_ENTRY("/File/_Print...", "<control>P", file_print_cmd_cb,
 124                              0, GTK_STOCK_PRINT),
 125     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 126     ITEM_FACTORY_STOCK_ENTRY("/File/_Quit", "<control>Q", file_quit_cmd_cb,
 127                              0, GTK_STOCK_QUIT),
 128     ITEM_FACTORY_ENTRY("/_Edit", NULL, NULL, 0, "<Branch>", NULL),
 129 #if 0
 130     /* Un-#if this when we actually implement Cut/Copy/Paste. */
 131     ITEM_FACTORY_STOCK_ENTRY("/Edit/Cut", "<control>X", NULL,
 132                              0, GTK_STOCK_CUT),
 133     ITEM_FACTORY_STOCK_ENTRY("/Edit/Copy", "<control>C", NULL,
 134                              0, GTK_STOCK_COPY),
 135     ITEM_FACTORY_STOCK_ENTRY("/Edit/Paste", "<control>V", NULL,
 136                              0, GTK_STOCK_PASTE),
 137     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>"),
 138 #endif
 139     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Find Packet...", "<control>F",
 140                              find_frame_cb, 0, GTK_STOCK_FIND),
 141     ITEM_FACTORY_STOCK_ENTRY("/Edit/Find Ne_xt", "<control>N", find_next_cb,
 142                              0, GTK_STOCK_GO_FORWARD),
 143     ITEM_FACTORY_STOCK_ENTRY("/Edit/Find Pre_vious", "<control>B",
 144                              find_previous_cb, 0, GTK_STOCK_GO_BACK),
 145     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 146     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Go To Packet...", "<control>G",
 147                              goto_frame_cb, 0, GTK_STOCK_JUMP_TO),
 148     ITEM_FACTORY_ENTRY("/Edit/Go To _Corresponding Packet", NULL, goto_framenum_cb,
 149                        0, NULL, NULL),
 150     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 151     ITEM_FACTORY_ENTRY("/Edit/Time _Reference", NULL, NULL, 0, "<Branch>", NULL),
 152     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Set Time Reference (toggle)", "<control>T", reftime_frame_cb, 0, NULL, NULL),
 153     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Find Next", NULL, reftime_frame_cb, 1, NULL, NULL),
 154     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Find Previous", NULL, reftime_frame_cb, 2, NULL, NULL),
 155     ITEM_FACTORY_ENTRY("/Edit/_Mark Packet", "<control>M", mark_frame_cb,
 156                        0, NULL, NULL),
 157     ITEM_FACTORY_ENTRY("/Edit/Mark _All Packets", NULL, mark_all_frames_cb,
 158                        0, NULL, NULL),
 159     ITEM_FACTORY_ENTRY("/Edit/_Unmark All Packets", NULL, unmark_all_frames_cb,
 160                        0, NULL, NULL),
 161     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 162     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Preferences...", "<shift><control>P", prefs_cb,
 163                              0, GTK_STOCK_PREFERENCES),
 164     ITEM_FACTORY_ENTRY("/_View", NULL, NULL, 0, "<Branch>", NULL),
 165 #if 0
 166         /* XXX: the show/hide functionality of the GUI elements is currently not implemented */
 167     ITEM_FACTORY_ENTRY("/View/_Show", NULL, NULL, 0, "<Branch>", NULL),
 168     ITEM_FACTORY_ENTRY("/View/_Show/Main Toolbar", NULL, NULL, 0, "<CheckItem>", NULL),
 169     ITEM_FACTORY_ENTRY("/View/_Show/Filter Toolbar", NULL, NULL, 0, "<CheckItem>", NULL),
 170     ITEM_FACTORY_ENTRY("/View/_Show/Status Bar", NULL, NULL, 0, "<CheckItem>", NULL),
 171     ITEM_FACTORY_ENTRY("/View/_Show/Packet List", NULL, NULL, 0, "<CheckItem>", NULL),
 172     ITEM_FACTORY_ENTRY("/View/_Show/Packet Dissection", NULL, NULL, 0, "<CheckItem>", NULL),
 173     ITEM_FACTORY_ENTRY("/View/_Show/Packet Data", NULL, NULL, 0, "<CheckItem>", NULL),
 174         /* XXX: the settings in the "Options" dialog could be seperated into the following menu items. */
 175         /* before this, some effort must be taken to transfer the functionality of this dialog to the menu items */
 176         /* (getting the current values, handling the radioitems, ...) */
 177     ITEM_FACTORY_ENTRY("/View/_Time Display Format", NULL, NULL, 0, "<Branch>", NULL),
 178     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Time of day", NULL, NULL, 0, "<RadioItem>", NULL),
 179     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Date and time of day", NULL, NULL, 0, "<RadioItem>", NULL),
 180     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Seconds since beginning of capture", NULL, NULL, 0, "<RadioItem>", NULL),
 181     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Seconds since previous capture", NULL, NULL, 0, "<RadioItem>", NULL),
 182     ITEM_FACTORY_ENTRY("/View/_Name Resolution", NULL, NULL, 0, "<Branch>", NULL),
 183     ITEM_FACTORY_ENTRY("/View/_Name Resolution/Enable MAC", NULL, NULL, 0, "<CheckItem>", NULL),
 184     ITEM_FACTORY_ENTRY("/View/_Name Resolution/Enable Network", NULL, NULL, 0, "<CheckItem>", NULL),
 185     ITEM_FACTORY_ENTRY("/View/_Name Resolution/Enable Transport", NULL, NULL, 0, "<CheckItem>", NULL),
 186 #else
 187     ITEM_FACTORY_ENTRY("/View/_Options...", NULL, display_opt_cb,
 188                        0, NULL, NULL),
 189 #endif
 190     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 191     ITEM_FACTORY_ENTRY("/View/Collapse _All", NULL, collapse_all_cb,
 192                        0, NULL, NULL),
 193     ITEM_FACTORY_ENTRY("/View/_Expand All", NULL, expand_all_cb,
 194                        0, NULL, NULL),
 195     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 196     ITEM_FACTORY_STOCK_ENTRY("/View/_Coloring Rules...", NULL, color_display_cb,
 197                        0, GTK_STOCK_SELECT_COLOR),
 198     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 199     ITEM_FACTORY_ENTRY("/View/_Show Packet In New Window", NULL,
 200                        new_window_cb, 0, NULL, NULL),
 201     ITEM_FACTORY_STOCK_ENTRY("/View/_Reload", "<control>R", file_reload_cmd_cb,
 202                              0, GTK_STOCK_REFRESH),
 203 #ifdef HAVE_LIBPCAP
 204     ITEM_FACTORY_ENTRY("/_Capture", NULL, NULL, 0, "<Branch>", NULL),
 205     ITEM_FACTORY_STOCK_ENTRY("/Capture/_Start...", "<control>K",
 206                              capture_prep_cb, 0, ETHEREAL_STOCK_CAPTURE_START),
 207   /*
 208    * XXX - this doesn't yet work in Win32.
 209    */
 210 #ifndef _WIN32
 211     ITEM_FACTORY_STOCK_ENTRY("/Capture/S_top", "<control>E", capture_stop_cb,
 212                              0, GTK_STOCK_STOP),
 213 #endif /* _WIN32 */
 214     ITEM_FACTORY_STOCK_ENTRY("/Capture/_Capture Filters...", NULL, cfilter_dialog_cb,
 215                        0, ETHEREAL_STOCK_CAPTURE_FILTER),
 216 #endif /* HAVE_LIBPCAP */
 217     ITEM_FACTORY_ENTRY("/_Analyze", NULL, NULL, 0, "<Branch>", NULL),
 218     ITEM_FACTORY_STOCK_ENTRY("/Analyze/_Display Filters...", NULL, dfilter_dialog_cb,
 219                        0, ETHEREAL_STOCK_DISPLAY_FILTER),
 220     ITEM_FACTORY_ENTRY("/Analyze/_Match", NULL, NULL, 0, "<Branch>", NULL),
 221     ITEM_FACTORY_ENTRY("/Analyze/Match/_Selected", NULL,
 222                        match_selected_cb_replace_ptree, 0, NULL, NULL),
 223     ITEM_FACTORY_ENTRY("/Analyze/Match/_Not Selected", NULL,
 224                        match_selected_cb_not_ptree, 0, NULL, NULL),
 225     ITEM_FACTORY_ENTRY("/Analyze/Match/_And Selected", NULL,
 226                        match_selected_cb_and_ptree, 0, NULL, NULL),
 227     ITEM_FACTORY_ENTRY("/Analyze/Match/_Or Selected", NULL,
 228                        match_selected_cb_or_ptree, 0, NULL, NULL),
 229     ITEM_FACTORY_ENTRY("/Analyze/Match/A_nd Not Selected", NULL,
 230                        match_selected_cb_and_ptree_not, 0, NULL, NULL),
 231     ITEM_FACTORY_ENTRY("/Analyze/Match/O_r Not Selected", NULL,
 232                        match_selected_cb_or_ptree_not, 0, NULL, NULL),
 233     ITEM_FACTORY_ENTRY("/Analyze/_Prepare", NULL, NULL, 0, "<Branch>", NULL),
 234     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Selected", NULL,
 235                        prepare_selected_cb_replace_ptree, 0, NULL, NULL),
 236     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Not Selected", NULL,
 237                        prepare_selected_cb_not_ptree, 0, NULL, NULL),
 238     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_And Selected", NULL,
 239                        prepare_selected_cb_and_ptree, 0, NULL, NULL),
 240     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Or Selected", NULL,
 241                        prepare_selected_cb_or_ptree, 0, NULL, NULL),
 242     ITEM_FACTORY_ENTRY("/Analyze/Prepare/A_nd Not Selected", NULL,
 243                        prepare_selected_cb_and_ptree_not, 0, NULL, NULL),
 244     ITEM_FACTORY_ENTRY("/Analyze/Prepare/O_r Not Selected", NULL,
 245                        prepare_selected_cb_or_ptree_not, 0, NULL, NULL),
 246     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 247     ITEM_FACTORY_ENTRY("/Analyze/_Enabled Protocols...", "<shift><control>R", proto_cb, 0, NULL, NULL),
 248     ITEM_FACTORY_ENTRY("/Analyze/Decode _As...", NULL, decode_as_cb,
 249                        0, NULL, NULL),
 250     ITEM_FACTORY_ENTRY("/Analyze/_User Specified Decodes", NULL,
 251                        decode_show_cb, 0, NULL, NULL),
 252     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 253     ITEM_FACTORY_ENTRY("/Analyze/_Follow TCP Stream", NULL, follow_stream_cb,
 254                        0, NULL, NULL),
 255 /*  {"/Analyze/Graph", NULL, NULL, 0, NULL}, future use */
 256     ITEM_FACTORY_ENTRY("/Analyze/_TCP Stream Analysis", NULL, NULL,
 257                        0, "<Branch>", NULL),
 258     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/Time-Sequence Graph (Stevens)",
 259                        NULL, tcp_graph_cb, 0, NULL, NULL),
 260     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/Time-Sequence Graph (tcptrace)",
 261                        NULL, tcp_graph_cb, 1, NULL, NULL),
 262     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/Throughput Graph", NULL,
 263                        tcp_graph_cb, 2, NULL, NULL),
 264     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/RTT Graph", NULL,
 265                        tcp_graph_cb, 3, NULL, NULL),
 266     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 267     ITEM_FACTORY_ENTRY("/Analyze/_Summary", NULL, summary_open_cb, 0, NULL, NULL),
 268     ITEM_FACTORY_ENTRY("/Analyze/Protocol _Hierarchy Statistics", NULL,
 269                        proto_hier_stats_cb, 0, NULL, NULL),
 270     ITEM_FACTORY_ENTRY("/_Help", NULL, NULL, 0, "<Branch>", NULL),
 271     ITEM_FACTORY_STOCK_ENTRY("/Help/_Contents", "F1", help_cb, 0, GTK_STOCK_HELP),
 272     ITEM_FACTORY_ENTRY("/Help/_Supported Protocols", NULL, supported_cb, 0, NULL, NULL),
 273     ITEM_FACTORY_ENTRY("/Help/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 274 #ifdef HAVE_PLUGINS
 275     ITEM_FACTORY_ENTRY("/Help/About _Plugins", NULL, tools_plugins_cmd_cb,
 276                        0, NULL, NULL),
 277 #endif /* HAVE_PLUGINS */
 278     ITEM_FACTORY_ENTRY("/Help/_About Ethereal", NULL, about_ethereal,
 279                        0, NULL, NULL)
 280 };
 281
 282
 283 /* calculate the number of menu_items */
 284 static int nmenu_items = sizeof(menu_items) / sizeof(menu_items[0]);
 285
 286 /* packet list popup */
 287 static GtkItemFactoryEntry packet_list_menu_items[] =
 288 {
 289     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 290                        0, NULL, NULL),
 291     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 292     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 293                        0, NULL, NULL),
 294     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 295     ITEM_FACTORY_ENTRY("/Mark Packet", NULL, mark_frame_cb, 0, NULL, NULL),
 296     ITEM_FACTORY_ENTRY("/Time Reference", NULL, NULL, 0, "<Branch>", NULL),
 297     ITEM_FACTORY_ENTRY("/Time Reference/Set Time Reference (toggle)", NULL, reftime_frame_cb, 0, NULL, NULL),
 298     ITEM_FACTORY_ENTRY("/Time Reference/Find Next", NULL, reftime_frame_cb, 1, NULL, NULL),
 299     ITEM_FACTORY_ENTRY("/Time Reference/Find Previous", NULL, reftime_frame_cb, 2, NULL, NULL),
 300     ITEM_FACTORY_ENTRY("/Match", NULL, NULL, 0, "<Branch>", NULL),
 301     ITEM_FACTORY_ENTRY("/Match/_Selected", NULL,
 302                        match_selected_cb_replace_plist, 0, NULL, NULL),
 303     ITEM_FACTORY_ENTRY("/Match/_Not Selected", NULL,
 304                        match_selected_cb_not_plist, 0, NULL, NULL),
 305     ITEM_FACTORY_ENTRY("/Match/_And Selected", NULL,
 306                        match_selected_cb_and_plist, 0, NULL, NULL),
 307     ITEM_FACTORY_ENTRY("/Match/_Or Selected", NULL, match_selected_cb_or_plist,
 308                        0, NULL, NULL),
 309     ITEM_FACTORY_ENTRY("/Match/A_nd Not Selected", NULL,
 310                        match_selected_cb_and_plist_not, 0, NULL, NULL),
 311     ITEM_FACTORY_ENTRY("/Match/O_r Not Selected", NULL,
 312                        match_selected_cb_or_plist_not, 0, NULL, NULL),
 313     ITEM_FACTORY_ENTRY("/Prepare", NULL, NULL, 0, "<Branch>", NULL),
 314     ITEM_FACTORY_ENTRY("/Prepare/_Selected", NULL,
 315                        prepare_selected_cb_replace_plist, 0, NULL, NULL),
 316     ITEM_FACTORY_ENTRY("/Prepare/_Not Selected", NULL,
 317                        prepare_selected_cb_not_plist, 0, NULL, NULL),
 318     ITEM_FACTORY_ENTRY("/Prepare/_And Selected", NULL,
 319                        prepare_selected_cb_and_plist, 0, NULL, NULL),
 320     ITEM_FACTORY_ENTRY("/Prepare/_Or Selected", NULL,
 321                        prepare_selected_cb_or_plist, 0, NULL, NULL),
 322     ITEM_FACTORY_ENTRY("/Prepare/A_nd Not Selected", NULL,
 323                        prepare_selected_cb_and_plist_not, 0, NULL, NULL),
 324     ITEM_FACTORY_ENTRY("/Prepare/O_r Not Selected", NULL,
 325                        prepare_selected_cb_or_plist_not, 0, NULL, NULL),
 326     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 327     ITEM_FACTORY_ENTRY("/Coloring Rules...", NULL, color_display_cb,
 328                        0, NULL, NULL),
 329     ITEM_FACTORY_ENTRY("/Print...", NULL, file_print_cmd_cb, 0, NULL, NULL),
 330     ITEM_FACTORY_ENTRY("/Show Packet In New Window", NULL, new_window_cb,
 331                        0, NULL, NULL),
 332 };
 333
 334 static GtkItemFactoryEntry tree_view_menu_items[] =
 335 {
 336     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 337                        0, NULL, NULL),
 338     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 339     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 340                        0, NULL, NULL),
 341     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 342     ITEM_FACTORY_ENTRY("/_Resolve Name", NULL, resolve_name_cb, 0, NULL, NULL),
 343     ITEM_FACTORY_ENTRY("/_Go To Corresponding Packet", NULL, goto_framenum_cb, 0, NULL, NULL),
 344     ITEM_FACTORY_ENTRY("/Protocol Properties...", NULL, properties_cb,
 345                        0, NULL, NULL),
 346     ITEM_FACTORY_ENTRY("/Match", NULL, NULL, 0, "<Branch>", NULL),
 347     ITEM_FACTORY_ENTRY("/Match/_Selected", NULL,
 348                        match_selected_cb_replace_ptree, 0, NULL, NULL),
 349     ITEM_FACTORY_ENTRY("/Match/_Not Selected", NULL,
 350                        match_selected_cb_not_ptree, 0, NULL, NULL),
 351     ITEM_FACTORY_ENTRY("/Match/_And Selected", NULL,
 352                        match_selected_cb_and_ptree, 0, NULL, NULL),
 353     ITEM_FACTORY_ENTRY("/Match/_Or Selected", NULL, match_selected_cb_or_ptree,
 354                        0, NULL, NULL),
 355     ITEM_FACTORY_ENTRY("/Match/A_nd Not Selected", NULL,
 356                        match_selected_cb_and_ptree_not, 0, NULL, NULL),
 357     ITEM_FACTORY_ENTRY("/Match/O_r Not Selected", NULL,
 358                        match_selected_cb_or_ptree_not, 0, NULL, NULL),
 359     ITEM_FACTORY_ENTRY("/Prepare", NULL, NULL, 0, "<Branch>", NULL),
 360     ITEM_FACTORY_ENTRY("/Prepare/_Selected", NULL,
 361                        prepare_selected_cb_replace_ptree, 0, NULL, NULL),
 362     ITEM_FACTORY_ENTRY("/Prepare/_Not Selected", NULL,
 363                        prepare_selected_cb_not_ptree, 0, NULL, NULL),
 364     ITEM_FACTORY_ENTRY("/Prepare/_And Selected", NULL,
 365                        prepare_selected_cb_and_ptree, 0, NULL, NULL),
 366     ITEM_FACTORY_ENTRY("/Prepare/_Or Selected", NULL,
 367                        prepare_selected_cb_or_ptree, 0, NULL, NULL),
 368     ITEM_FACTORY_ENTRY("/Prepare/A_nd Not Selected", NULL,
 369                        prepare_selected_cb_and_ptree_not, 0, NULL, NULL),
 370     ITEM_FACTORY_ENTRY("/Prepare/O_r Not Selected", NULL,
 371                        prepare_selected_cb_or_ptree_not, 0, NULL, NULL),
 372     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 373     ITEM_FACTORY_ENTRY("/Collapse All", NULL, collapse_all_cb, 0, NULL, NULL),
 374     ITEM_FACTORY_ENTRY("/Expand All", NULL, expand_all_cb, 0, NULL, NULL)
 375 };
 376
 377 static GtkItemFactoryEntry hexdump_menu_items[] =
 378 {
 379     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 380                        0, NULL, NULL),
 381     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 382     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 383                        0, NULL, NULL),
 384     ITEM_FACTORY_ENTRY("/Save Highlighted Data...", NULL, savehex_cb,
 385                        0, NULL, NULL)
 386 };
 387
 388 static int initialize = TRUE;
 389 static GtkItemFactory *main_menu_factory = NULL;
 390 static GtkItemFactory *packet_list_menu_factory = NULL;
 391 static GtkItemFactory *tree_view_menu_factory = NULL;
 392 static GtkItemFactory *hexdump_menu_factory = NULL;
 393
 394 static GSList *popup_menu_list = NULL;
 395
 396 static GtkAccelGroup *grp;
 397
 398 void
 399 get_main_menu(GtkWidget ** menubar, GtkAccelGroup ** table) {
 400
 401   grp = gtk_accel_group_new();
 402
 403   if (initialize)
 404     menus_init();
 405
 406   if (menubar)
 407     *menubar = main_menu_factory->widget;
 408
 409   if (table)
 410     *table = grp;
 411 }
 412
 413 static void
 414 menus_init(void) {
 415
 416   if (initialize) {
 417     initialize = FALSE;
 418
 419     /* popup */
 420     packet_list_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 421     popup_menu_object = gtk_menu_new();
 422     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);
 423     OBJECT_SET_DATA(popup_menu_object, PM_PACKET_LIST_KEY,
 424                     packet_list_menu_factory->widget);
 425     popup_menu_list = g_slist_append((GSList *)popup_menu_list, packet_list_menu_factory);
 426
 427     tree_view_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 428     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);
 429     OBJECT_SET_DATA(popup_menu_object, PM_TREE_VIEW_KEY,
 430                     tree_view_menu_factory->widget);
 431     popup_menu_list = g_slist_append((GSList *)popup_menu_list, tree_view_menu_factory);
 432
 433     hexdump_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 434     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);
 435     OBJECT_SET_DATA(popup_menu_object, PM_HEXDUMP_KEY,
 436                     hexdump_menu_factory->widget);
 437     popup_menu_list = g_slist_append((GSList *)popup_menu_list, hexdump_menu_factory);
 438
 439     /* main */
 440     main_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU_BAR, "<main>", grp);
 441     gtk_item_factory_create_items_ac(main_menu_factory, nmenu_items, menu_items, NULL, 2);
 442     register_all_tap_menus();   /* must be done after creating the main menu */
 443
 444     /* Initialize enabled/disabled state of menu items */
 445     set_menus_for_unsaved_capture_file(FALSE);
 446     set_menus_for_capture_file(FALSE);
 447 #if 0
 448     /* Un-#if this when we actually implement Cut/Copy/Paste.
 449        Then make sure you enable them when they can be done. */
 450     set_menu_sensitivity(main_menu_factory, "/Edit/Cut", FALSE);
 451     set_menu_sensitivity(main_menu_factory, "/Edit/Copy", FALSE);
 452     set_menu_sensitivity(main_menu_factory, "/Edit/Paste", FALSE);
 453 #endif
 454
 455     set_menus_for_captured_packets(FALSE);
 456     set_menus_for_selected_packet(&cfile);
 457     set_menus_for_selected_tree_row(&cfile);
 458   }
 459 }
 460
 461 typedef struct _menu_item {
 462         char    *name;
 463         gboolean enabled;
 464         gboolean (*selected_packet_enabled)(frame_data *, epan_dissect_t *);
 465         gboolean (*selected_tree_row_enabled)(field_info *);
 466         struct _menu_item *parent;
 467         struct _menu_item *children;
 468         struct _menu_item *next;
 469 } menu_item_t;
 470
 471 static menu_item_t tap_menu_tree_root;
 472
 473 /*
 474  * Add a new menu item for a tap.
 475  * This must be called after we've created the main menu, so it can't
 476  * be called from the routine that registers taps - we have to introduce
 477  * another per-tap registration routine.
 478  *
 479  * "callback" gets called when the menu item is selected; it should do
 480  * the work of creating the tap window.
 481  *
 482  * "selected_packet_enabled" gets called by "set_menus_for_selected_packet()";
 483  * it's passed a Boolean that's TRUE if a packet is selected and FALSE
 484  * otherwise, and should return TRUE if the tap will work now (which
 485  * might depend on whether a packet is selected and, if one is, on the
 486  * packet) and FALSE if not.
 487  *
 488  * "selected_tree_row_enabled" gets called by
 489  * "set_menus_for_selected_tree_row()"; it's passed a Boolean that's TRUE if
 490  * a protocol tree row is selected and FALSE otherwise, and should return
 491  * TRUE if the tap will work now (which might depend on whether a tree row
 492  * is selected and, if one is, on the tree row) and FALSE if not.
 493  */
 494 void
 495 register_tap_menu_item(char *name, GtkItemFactoryCallback callback,
 496     gboolean (*selected_packet_enabled)(frame_data *, epan_dissect_t *),
 497     gboolean (*selected_tree_row_enabled)(field_info *))
 498 {
 499         static const char toolspath[] = "/Analyze/";
 500         char *p;
 501         char *menupath;
 502         size_t menupathlen;
 503         GtkItemFactoryEntry *entry;
 504         menu_item_t *curnode, *child;
 505
 506         /*
 507          * The menu path must be relative.
 508          */
 509         g_assert(*name != '/');
 510
 511         /*
 512          * Create any submenus required.
 513          */
 514         curnode = &tap_menu_tree_root;
 515         p = name;
 516         while ((p = strchr(p, '/')) != NULL) {
 517                 /*
 518                  * OK, everything between "name" and "p" is
 519                  * a menu relative subtree into which the menu item
 520                  * will be placed.
 521                  *
 522                  * Construct the absolute path name of that subtree.
 523                  */
 524                 menupathlen = sizeof toolspath + (p - name);
 525                 menupath = g_malloc(menupathlen);
 526                 strcpy(menupath, toolspath);
 527                 strncat(menupath, name, p - name);
 528
 529                 /*
 530                  * Does there exist an entry with that path at this
 531                  * level of the Tools menu tree?
 532                  */
 533                 for (child = curnode->children; child != NULL;
 534                     child = child->next) {
 535                         if (strcmp(child->name, menupath) == 0)
 536                                 break;
 537                 }
 538                 if (child == NULL) {
 539                         /*
 540                          * No.  Create such an item as a subtree, and
 541                          * add it to the Tools menu tree.
 542                          */
 543                         entry = g_malloc0(sizeof (GtkItemFactoryEntry));
 544                         entry->path = menupath;
 545                         entry->item_type = "<Branch>";
 546                         gtk_item_factory_create_item(main_menu_factory, entry,
 547                             NULL, 2);
 548                         set_menu_sensitivity(main_menu_factory, menupath,
 549                             FALSE);     /* no children yet */
 550                         child = g_malloc(sizeof (menu_item_t));
 551                         child->name = menupath;
 552                         child->selected_packet_enabled = NULL;
 553                         child->selected_tree_row_enabled = NULL;
 554                         child->enabled = FALSE; /* no children yet */
 555                         child->parent = curnode;
 556                         child->children = NULL;
 557                         child->next = curnode->children;
 558                         curnode->children = child;
 559                 } else {
 560                         /*
 561                          * Yes.  We don't need "menupath" any more.
 562                          */
 563                         g_free(menupath);
 564                 }
 565                 curnode = child;
 566
 567                 /*
 568                  * Skip over the '/' we found.
 569                  */
 570                 p++;
 571         }
 572
 573         /*
 574          * Construct the main menu path for the menu item.
 575          *
 576          * "sizeof toolspath" includes the trailing '\0', so the sum
 577          * of that and the length of "name" is enough to hold a string
 578          * containing their concatenation.
 579          */
 580         menupathlen = sizeof toolspath + strlen(name);
 581         menupath = g_malloc(menupathlen);
 582         strcpy(menupath, toolspath);
 583         strcat(menupath, name);
 584
 585         /*
 586          * Construct an item factory entry for the item, and add it to
 587          * the main menu.
 588          */
 589         entry = g_malloc0(sizeof (GtkItemFactoryEntry));
 590         entry->path = menupath;
 591         entry->callback = callback;
 592         gtk_item_factory_create_item(main_menu_factory, entry, NULL, 2);
 593         set_menu_sensitivity(main_menu_factory, menupath, FALSE); /* no capture file yet */
 594         child = g_malloc(sizeof (menu_item_t));
 595         child->name = menupath;
 596         child->enabled = FALSE; /* no capture file yet, hence no taps yet */
 597         child->selected_packet_enabled = selected_packet_enabled;
 598         child->selected_tree_row_enabled = selected_tree_row_enabled;
 599         child->parent = curnode;
 600         child->children = NULL;
 601         child->next = curnode->children;
 602         curnode->children = child;
 603 }
 604
 605 /*
 606  * Enable/disable menu sensitivity.
 607  */
 608 static void
 609 set_menu_sensitivity(GtkItemFactory *ifactory, gchar *path, gint val)
 610 {
 611   GSList *menu_list;
 612   GtkWidget *menu_item;
 613
 614   if (ifactory == NULL) {
 615     /*
 616      * Do it for all pop-up menus.
 617      */
 618     for (menu_list = popup_menu_list; menu_list != NULL;
 619          menu_list = g_slist_next(menu_list))
 620       set_menu_sensitivity(menu_list->data, path, val);
 621   } else {
 622     /*
 623      * Do it for that particular menu.
 624      */
 625     if ((menu_item = gtk_item_factory_get_widget(ifactory, path)) != NULL) {
 626       if (GTK_IS_MENU(menu_item)) {
 627         /*
 628          * "path" refers to a submenu; "gtk_item_factory_get_widget()"
 629          * gets the menu, not the item that, when selected, pops up
 630          * the submenu.
 631          *
 632          * We have to change the latter item's sensitivity, so that
 633          * it shows up normally if sensitive and grayed-out if
 634          * insensitive.
 635          */
 636         menu_item = gtk_menu_get_attach_widget(GTK_MENU(menu_item));
 637       }
 638       gtk_widget_set_sensitive(menu_item, val);
 639     }
 640   }
 641 }
 642
 643 void
 644 set_menu_object_data_meat(GtkItemFactory *ifactory, gchar *path, gchar *key, gpointer data)
 645 {
 646         GtkWidget *menu = NULL;
 647
 648         if ((menu = gtk_item_factory_get_widget(ifactory, path)) != NULL)
 649                 OBJECT_SET_DATA(menu, key, data);
 650 }
 651
 652 void
 653 set_menu_object_data (gchar *path, gchar *key, gpointer data) {
 654   GSList *menu_list = popup_menu_list;
 655   gchar *shortpath = strrchr(path, '/');
 656
 657   set_menu_object_data_meat(main_menu_factory, path, key, data);
 658   while (menu_list != NULL) {
 659         set_menu_object_data_meat(menu_list->data, shortpath, key, data);
 660         menu_list = g_slist_next(menu_list);
 661   }
 662 }
 663
 664
 665 /* Recently used capture files submenu:
 666  * Submenu containing the recently used capture files.
 667  * The capture filenames are always kept with the absolute path, to be independant
 668  * of the current path.
 669  * They are only stored inside the labels of the submenu (no separate list). */
 670
 671 /* the maximum number of entries in the recent capture files list */
 672 static guint recent_files_count_max = 10;
 673
 674 #define MENU_RECENT_FILES_PATH "/File/Open Recent"
 675
 676 /* remove the capture filename from the "Recent Files" menu */
 677 void
 678 remove_menu_recent_capture_file(gpointer data_item) {
 679     GtkWidget *submenu_recent_files;
 680
 681
 682         /* get the submenu container item */
 683         submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
 684
 685         /* XXX: is this all we need to do, to destroy the menu item and its label? */
 686         gtk_container_remove(GTK_CONTAINER(submenu_recent_files), data_item);
 687         gtk_widget_destroy(data_item);
 688 }
 689
 690
 691 /* callback, if the user pushed a recent file submenu item */
 692 void
 693 menu_open_recent_file_cmd_cb(GtkWidget *w, gpointer data _U_)
 694 {
 695         int        err;
 696         GtkWidget *menu_item_child;
 697         gchar     *cf_name;
 698
 699
 700         /* get capture filename from the menu item label */
 701         menu_item_child = (GTK_BIN(w))->child;
 702         gtk_label_get(GTK_LABEL(menu_item_child), &cf_name);
 703
 704         /* open and read the capture file (this will close an existing file) */
 705     if ((err = cf_open(cf_name, FALSE, &cfile)) == 0) {
 706                 cf_read(&cfile, &err);
 707     } else {
 708         /* the capture file isn't existing any longer, remove menu item */
 709         /* XXX: ask user to remove item, it's maybe only a temporary problem */
 710         remove_menu_recent_capture_file(w);
 711         }
 712 }
 713
 714
 715 /* add the capture filename (with an absolute path) to the "Recent Files" menu */
 716 void
 717 add_menu_recent_capture_file_absolute(gchar *cf_name) {
 718         GtkWidget *submenu_recent_files;
 719         GList *menu_item_list;
 720         GList *li;
 721         gchar *widget_cf_name;
 722         GtkWidget *menu_item;
 723         guint cnt;
 724
 725
 726         /* get the submenu container item */
 727         submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
 728
 729         /* convert container to a GList */
 730         menu_item_list = gtk_container_children(GTK_CONTAINER(submenu_recent_files));
 731
 732         /* iterate through list items of menu_item_list,
 733          * removing a maybe duplicate entry and every item above count_max */
 734         li = g_list_first(menu_item_list);
 735     for (cnt = 1; li; li = li->next, cnt++) {
 736                 /* get capture filename from the menu item label */
 737                 menu_item = (GtkWidget *) li->data;
 738                 gtk_label_get(GTK_LABEL(GTK_BIN(menu_item)->child), &widget_cf_name);
 739
 740                 /* if this element string is already in the list, or
 741                  * this element is above maximum count (too old), remove it */
 742                 if (strncmp(widget_cf_name, cf_name, 1000) == 0 ||
 743                                 cnt >= recent_files_count_max) {
 744             remove_menu_recent_capture_file(li->data);
 745                         cnt--;
 746                 }
 747         }
 748
 749         g_list_free(menu_item_list);
 750
 751         /* add new item at latest position */
 752         menu_item = gtk_menu_item_new_with_label(cf_name);
 753         gtk_menu_prepend (GTK_MENU(submenu_recent_files), menu_item);
 754
 755         SIGNAL_CONNECT_OBJECT(GTK_OBJECT(menu_item), "activate",
 756                 menu_open_recent_file_cmd_cb, (GtkObject *) menu_item);
 757         gtk_widget_show (menu_item);
 758 }
 759
 760
 761 /* add the capture filename to the "Recent Files" menu */
 762 /* (will change nothing, if this filename is already in the menu) */
 763 void
 764 add_menu_recent_capture_file(gchar *cf_name) {
 765         gchar *curr;
 766         gchar *absolute;
 767
 768
 769         /* if this filename is an absolute path, we can use it directly */
 770         if (g_path_is_absolute(cf_name)) {
 771                 add_menu_recent_capture_file_absolute(cf_name);
 772                 return;
 773         }
 774
 775         /* this filename is not an absolute path, prepend the current dir */
 776         curr = g_get_current_dir();
 777         absolute = g_strdup_printf("%s%s%s", curr, G_DIR_SEPARATOR_S, cf_name);
 778         add_menu_recent_capture_file_absolute(absolute);
 779         g_free(curr);
 780         g_free(absolute);
 781 }
 782
 783
 784
 785 /* write a single menu item widget label to the user's recent file */
 786 /* helper, for menu_recent_file_write_all() */
 787 void menu_recent_file_write(GtkWidget *widget, gpointer data) {
 788         GtkWidget *menu_item_child;
 789         gchar     *cf_name;
 790         FILE      *rf = (FILE *) data;
 791
 792
 793         /* get capture filename from the menu item label */
 794         menu_item_child = (GTK_BIN(widget))->child;
 795         gtk_label_get(GTK_LABEL(menu_item_child), &cf_name);
 796
 797         fprintf (rf, RECENT_KEY_CAPTURE_FILE ": %s\n", cf_name);
 798 }
 799
 800
 801 /* write all capture filenames of the menu to the user's recent file */
 802 void
 803 menu_recent_file_write_all(FILE *rf) {
 804         GtkWidget *submenu_recent_files;
 805
 806
 807         submenu_recent_files = gtk_item_factory_get_widget(main_menu_factory, MENU_RECENT_FILES_PATH);
 808
 809         gtk_container_foreach(GTK_CONTAINER(submenu_recent_files),
 810                 menu_recent_file_write, rf);
 811 }
 812
 813
 814 gint
 815 popup_menu_handler(GtkWidget *widget, GdkEvent *event, gpointer data)
 816 {
 817     GtkWidget *menu = NULL;
 818     GdkEventButton *event_button = NULL;
 819     GtkCList *packet_list = NULL;
 820     gint row, column;
 821
 822     if(widget == NULL || event == NULL || data == NULL) {
 823         return FALSE;
 824     }
 825
 826     /*
 827      * If we ever want to make the menu differ based on what row
 828      * and/or column we're above, we'd use "gtk_clist_get_selection_info()"
 829      * to find the row and column number for the coordinates; a CTree is,
 830      * I guess, like a CList with one column(?) and the expander widget
 831      * as a pixmap.
 832      */
 833     /* Check if we are on packet_list object */
 834     if (widget == OBJECT_GET_DATA(popup_menu_object, E_MPACKET_LIST_KEY)) {
 835         packet_list=GTK_CLIST(widget);
 836         if (gtk_clist_get_selection_info(GTK_CLIST(packet_list),
 837                                          ((GdkEventButton *)event)->x,
 838                                          ((GdkEventButton *)event)->y,&row,&column)) {
 839             OBJECT_SET_DATA(popup_menu_object, E_MPACKET_LIST_ROW_KEY,
 840                             GINT_TO_POINTER(row));
 841             OBJECT_SET_DATA(popup_menu_object, E_MPACKET_LIST_COL_KEY,
 842                             GINT_TO_POINTER(column));
 843         }
 844     }
 845     menu = (GtkWidget *)data;
 846     if(event->type == GDK_BUTTON_PRESS) {
 847         event_button = (GdkEventButton *) event;
 848
 849         if(event_button->button == 3) {
 850             gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
 851                            event_button->button,
 852                            event_button->time);
 853             SIGNAL_EMIT_STOP_BY_NAME(widget, "button_press_event");
 854             return TRUE;
 855         }
 856     }
 857 #if GTK_MAJOR_VERSION >= 2
 858     if (widget == tree_view && event->type == GDK_2BUTTON_PRESS) {
 859         GtkTreePath      *path;
 860
 861         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
 862                                           ((GdkEventButton *)event)->x,
 863                                           ((GdkEventButton *)event)->y,
 864                                           &path, NULL, NULL, NULL))
 865         {
 866             if (gtk_tree_view_row_expanded(GTK_TREE_VIEW(widget), path))
 867                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(widget), path);
 868             else
 869                 gtk_tree_view_expand_row(GTK_TREE_VIEW(widget), path,
 870                                          FALSE);
 871             gtk_tree_path_free(path);
 872         }
 873     }
 874 #endif
 875     return FALSE;
 876 }
 877
 878 /* Enable or disable menu items based on whether you have a capture file
 879    you've finished reading. */
 880 void
 881 set_menus_for_capture_file(gboolean have_capture_file)
 882 {
 883   set_menu_sensitivity(main_menu_factory, "/File/Open...", have_capture_file);
 884   set_menu_sensitivity(main_menu_factory, "/File/Save As...",
 885       have_capture_file);
 886   set_menu_sensitivity(main_menu_factory, "/File/Close", have_capture_file);
 887   set_menu_sensitivity(main_menu_factory, "/View/Reload", have_capture_file);
 888   set_toolbar_for_capture_file(have_capture_file);
 889 }
 890
 891 /* Enable or disable menu items based on whether you have an unsaved
 892    capture file you've finished reading. */
 893 void
 894 set_menus_for_unsaved_capture_file(gboolean have_unsaved_capture_file)
 895 {
 896   set_menu_sensitivity(main_menu_factory, "/File/Save",
 897       have_unsaved_capture_file);
 898   set_toolbar_for_unsaved_capture_file(have_unsaved_capture_file);
 899 }
 900
 901 /* Enable or disable menu items based on whether there's a capture in
 902    progress. */
 903 void
 904 set_menus_for_capture_in_progress(gboolean capture_in_progress)
 905 {
 906   set_menu_sensitivity(main_menu_factory, "/File/Open...",
 907       !capture_in_progress);
 908 #ifdef HAVE_LIBPCAP
 909   set_menu_sensitivity(main_menu_factory, "/Capture/Start...",
 910       !capture_in_progress);
 911   /*
 912    * XXX - this doesn't yet work in Win32.
 913    */
 914 #ifndef _WIN32
 915   set_menu_sensitivity(main_menu_factory, "/Capture/Stop",
 916       capture_in_progress);
 917 #endif
 918 #endif /* HAVE_LIBPCAP */
 919   set_toolbar_for_capture_in_progress(capture_in_progress);
 920 }
 921
 922 /* Enable or disable menu items based on whether you have some captured
 923    packets. */
 924 static gboolean
 925 walk_menu_tree_for_captured_packets(menu_item_t *node,
 926     gboolean have_captured_packets)
 927 {
 928         gboolean is_enabled;
 929         menu_item_t *child;
 930
 931         /*
 932          * Is this a leaf node or an interior node?
 933          */
 934         if (node->children == NULL) {
 935                 /*
 936                  * It's a leaf node.
 937                  *
 938                  * If it has no "selected_packet_enabled()" or
 939                  * "selected_tree_row_enabled()" routines, we enable
 940                  * it.  This allows tap windows to be popped up even
 941                  * if you have no capture file; this is done to let
 942                  * the user pop up multiple tap windows before reading
 943                  * in a capture file, so that they can be processed in
 944                  * parallel while the capture file is being read rather
 945                  * than one at at time as you pop up the windows, and to
 946                  * let the user pop up tap windows before starting an
 947                  * "Update list of packets in real time" capture, so that
 948                  * the statistics can be displayed while the capture is
 949                  * in progress.
 950                  *
 951                  * If it has either of those routines, we disable it for
 952                  * now - as long as, when a capture is first available,
 953                  * we don't get called after a packet or tree row is
 954                  * selected, that's OK.
 955                  * XXX - that should be done better.
 956                  */
 957                 if (node->selected_packet_enabled == NULL &&
 958                     node->selected_tree_row_enabled == NULL)
 959                         node->enabled = TRUE;
 960                 else
 961                         node->enabled = FALSE;
 962         } else {
 963                 /*
 964                  * It's an interior node; call
 965                  * "walk_menu_tree_for_captured_packets()" on all its
 966                  * children and, if any of them are enabled, enable
 967                  * this node, otherwise disable it.
 968                  *
 969                  * XXX - should we just leave all interior nodes enabled?
 970                  * Which is a better UI choice?
 971                  */
 972                 is_enabled = FALSE;
 973                 for (child = node->children; child != NULL; child =
 974                     child->next) {
 975                         if (walk_menu_tree_for_captured_packets(child,
 976                             have_captured_packets))
 977                                 is_enabled = TRUE;
 978                 }
 979                 node->enabled = is_enabled;
 980         }
 981
 982         /*
 983          * The root node doesn't correspond to a menu tree item; it
 984          * has a null name pointer.
 985          */
 986         if (node->name != NULL) {
 987                 set_menu_sensitivity(main_menu_factory, node->name,
 988                     node->enabled);
 989         }
 990         return node->enabled;
 991 }
 992
 993 void
 994 set_menus_for_captured_packets(gboolean have_captured_packets)
 995 {
 996   set_menu_sensitivity(main_menu_factory, "/File/Print...",
 997       have_captured_packets);
 998   set_menu_sensitivity(packet_list_menu_factory, "/Print...",
 999       have_captured_packets);
1000   set_menu_sensitivity(main_menu_factory, "/Edit/Find Packet...",
1001       have_captured_packets);
1002   set_menu_sensitivity(main_menu_factory, "/Edit/Find Next",
1003       have_captured_packets);
1004   set_menu_sensitivity(main_menu_factory, "/Edit/Find Previous",
1005       have_captured_packets);
1006   set_menu_sensitivity(main_menu_factory, "/Edit/Go To Packet...",
1007       have_captured_packets);
1008   set_menu_sensitivity(main_menu_factory, "/View/Coloring Rules...",
1009       have_captured_packets);
1010   set_menu_sensitivity(packet_list_menu_factory, "/Coloring Rules...",
1011       have_captured_packets);
1012   set_menu_sensitivity(main_menu_factory, "/Analyze/Summary",
1013       have_captured_packets);
1014   set_menu_sensitivity(main_menu_factory,
1015       "/Analyze/Protocol Hierarchy Statistics", have_captured_packets);
1016   set_menu_sensitivity(packet_list_menu_factory, "/Match",
1017       have_captured_packets);
1018   set_menu_sensitivity(packet_list_menu_factory, "/Prepare",
1019       have_captured_packets);
1020   walk_menu_tree_for_captured_packets(&tap_menu_tree_root,
1021       have_captured_packets);
1022   set_toolbar_for_captured_packets(have_captured_packets);
1023 }
1024
1025 /* Enable or disable menu items based on whether a packet is selected and,
1026    if so, on the properties of the packet. */
1027 static gboolean
1028 walk_menu_tree_for_selected_packet(menu_item_t *node, frame_data *fd,
1029     epan_dissect_t *edt)
1030 {
1031         gboolean is_enabled;
1032         menu_item_t *child;
1033
1034         /*
1035          * Is this a leaf node or an interior node?
1036          */
1037         if (node->children == NULL) {
1038                 /*
1039                  * It's a leaf node.
1040                  *
1041                  * If it has no "selected_packet_enabled()" routine,
1042                  * leave its enabled/disabled status alone - it
1043                  * doesn't depend on whether we have a packet selected
1044                  * or not or on the selected packet.
1045                  *
1046                  * If it has a "selected_packet_enabled()" routine,
1047                  * call it and set the item's enabled/disabled status
1048                  * based on its return value.
1049                  */
1050                 if (node->selected_packet_enabled != NULL)
1051                         node->enabled = node->selected_packet_enabled(fd, edt);
1052         } else {
1053                 /*
1054                  * It's an interior node; call
1055                  * "walk_menu_tree_for_selected_packet()" on all its
1056                  * children and, if any of them are enabled, enable
1057                  * this node, otherwise disable it.
1058                  *
1059                  * XXX - should we just leave all interior nodes enabled?
1060                  * Which is a better UI choice?
1061                  */
1062                 is_enabled = FALSE;
1063                 for (child = node->children; child != NULL; child =
1064                     child->next) {
1065                         if (walk_menu_tree_for_selected_packet(child, fd, edt))
1066                                 is_enabled = TRUE;
1067                 }
1068                 node->enabled = is_enabled;
1069         }
1070
1071         /*
1072          * The root node doesn't correspond to a menu tree item; it
1073          * has a null name pointer.
1074          */
1075         if (node->name != NULL) {
1076                 set_menu_sensitivity(main_menu_factory, node->name,
1077                     node->enabled);
1078         }
1079         return node->enabled;
1080 }
1081
1082 void
1083 set_menus_for_selected_packet(capture_file *cf)
1084 {
1085   set_menu_sensitivity(main_menu_factory, "/File/Print Packet",
1086       cf->current_frame != NULL);
1087   set_menu_sensitivity(packet_list_menu_factory, "/Print Packet",
1088       cf->current_frame != NULL);
1089   set_menu_sensitivity(main_menu_factory, "/Edit/Mark Packet",
1090       cf->current_frame != NULL);
1091   set_menu_sensitivity(main_menu_factory, "/Edit/Time Reference",
1092       cf->current_frame != NULL);
1093   set_menu_sensitivity(packet_list_menu_factory, "/Mark Packet",
1094       cf->current_frame != NULL);
1095   set_menu_sensitivity(main_menu_factory, "/Edit/Mark All Packets",
1096       cf->current_frame != NULL);
1097   set_menu_sensitivity(main_menu_factory, "/Edit/Unmark All Packets",
1098       cf->current_frame != NULL);
1099   set_menu_sensitivity(main_menu_factory, "/View/Collapse All",
1100       cf->current_frame != NULL);
1101   set_menu_sensitivity(tree_view_menu_factory, "/Collapse All",
1102       cf->current_frame != NULL);
1103   set_menu_sensitivity(main_menu_factory, "/View/Expand All",
1104       cf->current_frame != NULL);
1105   set_menu_sensitivity(tree_view_menu_factory, "/Expand All",
1106       cf->current_frame != NULL);
1107   set_menu_sensitivity(main_menu_factory, "/View/Show Packet In New Window",
1108       cf->current_frame != NULL);
1109   set_menu_sensitivity(packet_list_menu_factory, "/Show Packet In New Window",
1110       cf->current_frame != NULL);
1111   set_menu_sensitivity(main_menu_factory, "/Analyze/Follow TCP Stream",
1112       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
1113   set_menu_sensitivity(NULL, "/Follow TCP Stream",
1114       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
1115   set_menu_sensitivity(main_menu_factory, "/Analyze/Decode As...",
1116       cf->current_frame != NULL && decode_as_ok());
1117   set_menu_sensitivity(NULL, "/Decode As...",
1118       cf->current_frame != NULL && decode_as_ok());
1119   set_menu_sensitivity(tree_view_menu_factory, "/Resolve Name",
1120       cf->current_frame != NULL && g_resolv_flags == 0);
1121   set_menu_sensitivity(main_menu_factory, "/Analyze/TCP Stream Analysis",
1122       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
1123   walk_menu_tree_for_selected_packet(&tap_menu_tree_root, cf->current_frame,
1124       cf->edt);
1125 }
1126
1127 /* Enable or disable menu items based on whether a tree row is selected
1128    and, if so, on the properties of the tree row. */
1129 static gboolean
1130 walk_menu_tree_for_selected_tree_row(menu_item_t *node, field_info *fi)
1131 {
1132         gboolean is_enabled;
1133         menu_item_t *child;
1134
1135         /*
1136          * Is this a leaf node or an interior node?
1137          */
1138         if (node->children == NULL) {
1139                 /*
1140                  * It's a leaf node.
1141                  *
1142                  * If it has no "selected_tree_row_enabled()" routine,
1143                  * leave its enabled/disabled status alone - it
1144                  * doesn't depend on whether we have a tree row selected
1145                  * or not or on the selected tree row.
1146                  *
1147                  * If it has a "selected_tree_row_enabled()" routine,
1148                  * call it and set the item's enabled/disabled status
1149                  * based on its return value.
1150                  */
1151                 if (node->selected_tree_row_enabled != NULL)
1152                         node->enabled = node->selected_tree_row_enabled(fi);
1153         } else {
1154                 /*
1155                  * It's an interior node; call
1156                  * "walk_menu_tree_for_selected_tree_row()" on all its
1157                  * children and, if any of them are enabled, enable
1158                  * this node, otherwise disable it.
1159                  *
1160                  * XXX - should we just leave all interior nodes enabled?
1161                  * Which is a better UI choice?
1162                  */
1163                 is_enabled = FALSE;
1164                 for (child = node->children; child != NULL; child =
1165                     child->next) {
1166                         if (walk_menu_tree_for_selected_tree_row(child, fi))
1167                                 is_enabled = TRUE;
1168                 }
1169                 node->enabled = is_enabled;
1170         }
1171
1172         /*
1173          * The root node doesn't correspond to a menu tree item; it
1174          * has a null name pointer.
1175          */
1176         if (node->name != NULL) {
1177                 set_menu_sensitivity(main_menu_factory, node->name,
1178                     node->enabled);
1179         }
1180         return node->enabled;
1181 }
1182
1183 void
1184 set_menus_for_selected_tree_row(capture_file *cf)
1185 {
1186   gboolean properties;
1187
1188   if (cf->finfo_selected != NULL) {
1189         header_field_info *hfinfo = cf->finfo_selected->hfinfo;
1190         if (hfinfo->parent == -1) {
1191           properties = prefs_is_registered_protocol(hfinfo->abbrev);
1192         } else {
1193           properties = prefs_is_registered_protocol(proto_registrar_get_abbrev(hfinfo->parent));
1194         }
1195         set_menu_sensitivity(main_menu_factory,
1196           "/Edit/Go To Corresponding Packet", hfinfo->type == FT_FRAMENUM);
1197         set_menu_sensitivity(tree_view_menu_factory,
1198           "/Go To Corresponding Packet", hfinfo->type == FT_FRAMENUM);
1199         set_menu_sensitivity(main_menu_factory, "/Analyze/Match",
1200           proto_can_match_selected(cf->finfo_selected, cf->edt));
1201         set_menu_sensitivity(tree_view_menu_factory, "/Match",
1202           proto_can_match_selected(cf->finfo_selected, cf->edt));
1203         set_menu_sensitivity(main_menu_factory, "/Analyze/Prepare",
1204           proto_can_match_selected(cf->finfo_selected, cf->edt));
1205         set_menu_sensitivity(tree_view_menu_factory, "/Prepare",
1206           proto_can_match_selected(cf->finfo_selected, cf->edt));
1207         set_menu_sensitivity(tree_view_menu_factory, "/Protocol Properties...",
1208           properties);
1209   } else {
1210         set_menu_sensitivity(main_menu_factory,
1211             "/Edit/Go To Corresponding Packet", FALSE);
1212         set_menu_sensitivity(tree_view_menu_factory,
1213             "/Go To Corresponding Packet", FALSE);
1214         set_menu_sensitivity(main_menu_factory, "/Analyze/Match", FALSE);
1215         set_menu_sensitivity(tree_view_menu_factory, "/Match", FALSE);
1216         set_menu_sensitivity(main_menu_factory, "/Analyze/Prepare", FALSE);
1217         set_menu_sensitivity(tree_view_menu_factory, "/Prepare", FALSE);
1218         set_menu_sensitivity(tree_view_menu_factory, "/Protocol Properties...",
1219           FALSE);
1220   }
1221
1222   walk_menu_tree_for_selected_tree_row(&tap_menu_tree_root, cf->finfo_selected);
1223 }