gtk/menu.c

   1 /* menu.c
   2  * Menu routines
   3  *
   4  * $Id: menu.c,v 1.119 2003/12/03 09:28:25 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 <epan/packet.h>
  36 #include <epan/resolv.h>
  37 #include "prefs.h"
  38 #include "capture_dlg.h"
  39 #include "color_dlg.h"
  40 #include "filter_prefs.h"
  41 #include "file_dlg.h"
  42 #include "find_dlg.h"
  43 #include "goto_dlg.h"
  44 #include "summary_dlg.h"
  45 #include "display_opts.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 "tcp_graph.h"
  58 #include <epan/epan_dissect.h>
  59 #include "compat_macros.h"
  60 #include "toolbar.h"
  61 #include "gtkglobals.h"
  62 #include "register.h"
  63 #include "../tap.h"
  64 #include "../menu.h"
  65 #include "../ipproto.h"
  66
  67 GtkWidget *popup_menu_object;
  68
  69 extern void savehex_cb(GtkWidget * w, gpointer data _U_);
  70
  71 #define GTK_MENU_FUNC(a) ((GtkItemFactoryCallback)(a))
  72
  73 static void menus_init(void);
  74 static void set_menu_sensitivity (GtkItemFactory *, gchar *, gint);
  75
  76 /* This is the GtkItemFactoryEntry structure used to generate new menus.
  77        Item 1: The menu path. The letter after the underscore indicates an
  78                accelerator key once the menu is open.
  79        Item 2: The accelerator key for the entry
  80        Item 3: The callback function.
  81        Item 4: The callback action.  This changes the parameters with
  82                which the function is called.  The default is 0.
  83        Item 5: The item type, used to define what kind of an item it is.
  84                Here are the possible values:
  85
  86                NULL               -> "<Item>"
  87                ""                 -> "<Item>"
  88                "<Title>"          -> create a title item
  89                "<Item>"           -> create a simple item
  90                "<ImageItem>"      -> create an item holding an image (gtk2)
  91                "<StockItem>"      -> create an item holding a stock image (gtk2)
  92                "<CheckItem>"      -> create a check item
  93                "<ToggleItem>"     -> create a toggle item
  94                "<RadioItem>"      -> create a radio item
  95                <path>             -> path of a radio item to link against
  96                "<Separator>"      -> create a separator
  97                "<Tearoff>"        -> create a tearoff separator (gtk2)
  98                "<Branch>"         -> create an item to hold sub items (optional)
  99                "<LastBranch>"     -> create a right justified branch
 100        Item 6: extra data needed for ImageItem and StockItem (gtk2)
 101     */
 102
 103 /* main menu */
 104 static GtkItemFactoryEntry menu_items[] =
 105 {
 106     ITEM_FACTORY_ENTRY("/_File", NULL, NULL, 0, "<Branch>", NULL),
 107     ITEM_FACTORY_STOCK_ENTRY("/File/_Open...", "<control>O", file_open_cmd_cb,
 108                              0, GTK_STOCK_OPEN),
 109     ITEM_FACTORY_STOCK_ENTRY("/File/_Close", "<control>W", file_close_cmd_cb,
 110                              0, GTK_STOCK_CLOSE),
 111     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 112     ITEM_FACTORY_STOCK_ENTRY("/File/_Save", "<control>S", file_save_cmd_cb,
 113                              0, GTK_STOCK_SAVE),
 114     ITEM_FACTORY_STOCK_ENTRY("/File/Save _As...", "<shift><control>S", file_save_as_cmd_cb,
 115                              0, GTK_STOCK_SAVE_AS),
 116     ITEM_FACTORY_STOCK_ENTRY("/File/Save _Highlighted...", "<control>H", savehex_cb,
 117                              0, NULL),
 118     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 119     ITEM_FACTORY_STOCK_ENTRY("/File/_Print...", "<control>P", file_print_cmd_cb,
 120                              0, GTK_STOCK_PRINT),
 121     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 122     ITEM_FACTORY_ENTRY("/File/Print Pac_ket", NULL,
 123                        file_print_packet_cmd_cb, 0, NULL, NULL),
 124     ITEM_FACTORY_ENTRY("/File/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 125     ITEM_FACTORY_STOCK_ENTRY("/File/_Quit", "<control>Q", file_quit_cmd_cb,
 126                              0, GTK_STOCK_QUIT),
 127     ITEM_FACTORY_ENTRY("/_Edit", NULL, NULL, 0, "<Branch>", NULL),
 128 #if 0
 129     /* Un-#if this when we actually implement Cut/Copy/Paste. */
 130     ITEM_FACTORY_STOCK_ENTRY("/Edit/Cut", "<control>X", NULL,
 131                              0, GTK_STOCK_CUT),
 132     ITEM_FACTORY_STOCK_ENTRY("/Edit/Copy", "<control>C", NULL,
 133                              0, GTK_STOCK_COPY),
 134     ITEM_FACTORY_STOCK_ENTRY("/Edit/Paste", "<control>V", NULL,
 135                              0, GTK_STOCK_PASTE),
 136     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>"),
 137 #endif
 138     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Find Packet...", "<control>F",
 139                              find_frame_cb, 0, GTK_STOCK_FIND),
 140     ITEM_FACTORY_STOCK_ENTRY("/Edit/Find Ne_xt", "<control>N", find_next_cb,
 141                              0, GTK_STOCK_GO_FORWARD),
 142     ITEM_FACTORY_STOCK_ENTRY("/Edit/Find Pre_vious", "<control>B",
 143                              find_previous_cb, 0, GTK_STOCK_GO_BACK),
 144     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 145     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Go To Packet...", "<control>G",
 146                              goto_frame_cb, 0, GTK_STOCK_JUMP_TO),
 147     ITEM_FACTORY_ENTRY("/Edit/Go To _Corresponding Packet", NULL, goto_framenum_cb,
 148                        0, NULL, NULL),
 149     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 150     ITEM_FACTORY_ENTRY("/Edit/Time _Reference", NULL, NULL, 0, "<Branch>", NULL),
 151     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Set Time Reference (toggle)", "<control>T", reftime_frame_cb, 0, NULL, NULL),
 152     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Find Next", NULL, reftime_frame_cb, 1, NULL, NULL),
 153     ITEM_FACTORY_ENTRY("/Edit/Time Reference/Find Previous", NULL, reftime_frame_cb, 2, NULL, NULL),
 154     ITEM_FACTORY_ENTRY("/Edit/_Mark Packet", "<control>M", mark_frame_cb,
 155                        0, NULL, NULL),
 156     ITEM_FACTORY_ENTRY("/Edit/Mark _All Packets", NULL, mark_all_frames_cb,
 157                        0, NULL, NULL),
 158     ITEM_FACTORY_ENTRY("/Edit/_Unmark All Packets", NULL, unmark_all_frames_cb,
 159                        0, NULL, NULL),
 160     ITEM_FACTORY_ENTRY("/Edit/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 161     ITEM_FACTORY_STOCK_ENTRY("/Edit/_Preferences...", "<shift><control>P", prefs_cb,
 162                              0, GTK_STOCK_PREFERENCES),
 163     ITEM_FACTORY_ENTRY("/_View", NULL, NULL, 0, "<Branch>", NULL),
 164 #if 0
 165         /* XXX: the show/hide functionality of the GUI elements is currently not implemented */
 166     ITEM_FACTORY_ENTRY("/View/_Show", NULL, NULL, 0, "<Branch>", NULL),
 167     ITEM_FACTORY_ENTRY("/View/_Show/Main Toolbar", NULL, NULL, 0, "<CheckItem>", NULL),
 168     ITEM_FACTORY_ENTRY("/View/_Show/Filter Toolbar", NULL, NULL, 0, "<CheckItem>", NULL),
 169     ITEM_FACTORY_ENTRY("/View/_Show/Status Bar", NULL, NULL, 0, "<CheckItem>", NULL),
 170     ITEM_FACTORY_ENTRY("/View/_Show/Packet List", NULL, NULL, 0, "<CheckItem>", NULL),
 171     ITEM_FACTORY_ENTRY("/View/_Show/Packet Dissection", NULL, NULL, 0, "<CheckItem>", NULL),
 172     ITEM_FACTORY_ENTRY("/View/_Show/Packet Data", NULL, NULL, 0, "<CheckItem>", NULL),
 173         /* XXX: the settings in the "Options" dialog could be seperated into the following menu items. */
 174         /* before this, some effort must be taken to transfer the functionality of this dialog to the menu items */
 175         /* (getting the current values, handling the radioitems, ...) */
 176     ITEM_FACTORY_ENTRY("/View/_Time Display Format", NULL, NULL, 0, "<Branch>", NULL),
 177     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Time of day", NULL, NULL, 0, "<RadioItem>", NULL),
 178     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Date and time of day", NULL, NULL, 0, "<RadioItem>", NULL),
 179     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Seconds since beginning of capture", NULL, NULL, 0, "<RadioItem>", NULL),
 180     ITEM_FACTORY_ENTRY("/View/_Time Display Format/Seconds since previous capture", NULL, NULL, 0, "<RadioItem>", NULL),
 181     ITEM_FACTORY_ENTRY("/View/_Name Resolution", NULL, NULL, 0, "<Branch>", NULL),
 182     ITEM_FACTORY_ENTRY("/View/_Name Resolution/Enable MAC", NULL, NULL, 0, "<CheckItem>", NULL),
 183     ITEM_FACTORY_ENTRY("/View/_Name Resolution/Enable Network", NULL, NULL, 0, "<CheckItem>", NULL),
 184     ITEM_FACTORY_ENTRY("/View/_Name Resolution/Enable Transport", NULL, NULL, 0, "<CheckItem>", NULL),
 185 #else
 186     ITEM_FACTORY_ENTRY("/View/_Options...", NULL, display_opt_cb,
 187                        0, NULL, NULL),
 188 #endif
 189     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 190     ITEM_FACTORY_ENTRY("/View/Collapse _All", NULL, collapse_all_cb,
 191                        0, NULL, NULL),
 192     ITEM_FACTORY_ENTRY("/View/_Expand All", NULL, expand_all_cb,
 193                        0, NULL, NULL),
 194     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 195     ITEM_FACTORY_STOCK_ENTRY("/View/_Coloring Rules...", NULL, color_display_cb,
 196                        0, GTK_STOCK_SELECT_COLOR),
 197     ITEM_FACTORY_ENTRY("/View/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 198     ITEM_FACTORY_ENTRY("/View/_Show Packet In New Window", NULL,
 199                        new_window_cb, 0, NULL, NULL),
 200     ITEM_FACTORY_STOCK_ENTRY("/View/_Reload", "<control>R", file_reload_cmd_cb,
 201                              0, GTK_STOCK_REFRESH),
 202 #ifdef HAVE_LIBPCAP
 203     ITEM_FACTORY_ENTRY("/_Capture", NULL, NULL, 0, "<Branch>", NULL),
 204     ITEM_FACTORY_STOCK_ENTRY("/Capture/_Start...", "<control>K",
 205                              capture_prep_cb, 0, ETHEREAL_STOCK_CAPTURE_START),
 206   /*
 207    * XXX - this doesn't yet work in Win32.
 208    */
 209 #ifndef _WIN32
 210     ITEM_FACTORY_STOCK_ENTRY("/Capture/S_top", "<control>E", capture_stop_cb,
 211                              0, GTK_STOCK_STOP),
 212 #endif /* _WIN32 */
 213     ITEM_FACTORY_STOCK_ENTRY("/Capture/_Capture Filters...", NULL, cfilter_dialog_cb,
 214                        0, ETHEREAL_STOCK_CAPTURE_FILTER),
 215 #endif /* HAVE_LIBPCAP */
 216     ITEM_FACTORY_ENTRY("/_Analyze", NULL, NULL, 0, "<Branch>", NULL),
 217     ITEM_FACTORY_STOCK_ENTRY("/Analyze/_Display Filters...", NULL, dfilter_dialog_cb,
 218                        0, ETHEREAL_STOCK_DISPLAY_FILTER),
 219     ITEM_FACTORY_ENTRY("/Analyze/_Match", NULL, NULL, 0, "<Branch>", NULL),
 220     ITEM_FACTORY_ENTRY("/Analyze/Match/_Selected", NULL,
 221                        match_selected_cb_replace_ptree, 0, NULL, NULL),
 222     ITEM_FACTORY_ENTRY("/Analyze/Match/_Not Selected", NULL,
 223                        match_selected_cb_not_ptree, 0, NULL, NULL),
 224     ITEM_FACTORY_ENTRY("/Analyze/Match/_And Selected", NULL,
 225                        match_selected_cb_and_ptree, 0, NULL, NULL),
 226     ITEM_FACTORY_ENTRY("/Analyze/Match/_Or Selected", NULL,
 227                        match_selected_cb_or_ptree, 0, NULL, NULL),
 228     ITEM_FACTORY_ENTRY("/Analyze/Match/A_nd Not Selected", NULL,
 229                        match_selected_cb_and_ptree_not, 0, NULL, NULL),
 230     ITEM_FACTORY_ENTRY("/Analyze/Match/O_r Not Selected", NULL,
 231                        match_selected_cb_or_ptree_not, 0, NULL, NULL),
 232     ITEM_FACTORY_ENTRY("/Analyze/_Prepare", NULL, NULL, 0, "<Branch>", NULL),
 233     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Selected", NULL,
 234                        prepare_selected_cb_replace_ptree, 0, NULL, NULL),
 235     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Not Selected", NULL,
 236                        prepare_selected_cb_not_ptree, 0, NULL, NULL),
 237     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_And Selected", NULL,
 238                        prepare_selected_cb_and_ptree, 0, NULL, NULL),
 239     ITEM_FACTORY_ENTRY("/Analyze/Prepare/_Or Selected", NULL,
 240                        prepare_selected_cb_or_ptree, 0, NULL, NULL),
 241     ITEM_FACTORY_ENTRY("/Analyze/Prepare/A_nd Not Selected", NULL,
 242                        prepare_selected_cb_and_ptree_not, 0, NULL, NULL),
 243     ITEM_FACTORY_ENTRY("/Analyze/Prepare/O_r Not Selected", NULL,
 244                        prepare_selected_cb_or_ptree_not, 0, NULL, NULL),
 245     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 246     ITEM_FACTORY_ENTRY("/Analyze/_Enabled Protocols...", "<shift><control>R", proto_cb, 0, NULL, NULL),
 247     ITEM_FACTORY_ENTRY("/Analyze/Decode _As...", NULL, decode_as_cb,
 248                        0, NULL, NULL),
 249     ITEM_FACTORY_ENTRY("/Analyze/_User Specified Decodes", NULL,
 250                        decode_show_cb, 0, NULL, NULL),
 251     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 252     ITEM_FACTORY_ENTRY("/Analyze/_Follow TCP Stream", NULL, follow_stream_cb,
 253                        0, NULL, NULL),
 254 /*  {"/Analyze/Graph", NULL, NULL, 0, NULL}, future use */
 255     ITEM_FACTORY_ENTRY("/Analyze/_TCP Stream Analysis", NULL, NULL,
 256                        0, "<Branch>", NULL),
 257     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/Time-Sequence Graph (Stevens)",
 258                        NULL, tcp_graph_cb, 0, NULL, NULL),
 259     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/Time-Sequence Graph (tcptrace)",
 260                        NULL, tcp_graph_cb, 1, NULL, NULL),
 261     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/Throughput Graph", NULL,
 262                        tcp_graph_cb, 2, NULL, NULL),
 263     ITEM_FACTORY_ENTRY("/Analyze/TCP Stream Analysis/RTT Graph", NULL,
 264                        tcp_graph_cb, 3, NULL, NULL),
 265     ITEM_FACTORY_ENTRY("/Analyze/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 266     ITEM_FACTORY_ENTRY("/Analyze/_Summary", NULL, summary_open_cb, 0, NULL, NULL),
 267     ITEM_FACTORY_ENTRY("/Analyze/Protocol _Hierarchy Statistics", NULL,
 268                        proto_hier_stats_cb, 0, NULL, NULL),
 269     ITEM_FACTORY_ENTRY("/_Help", NULL, NULL, 0, "<Branch>", NULL),
 270     ITEM_FACTORY_STOCK_ENTRY("/Help/_Contents", "F1", help_cb, 0, GTK_STOCK_HELP),
 271     ITEM_FACTORY_ENTRY("/Help/_Supported Protocols", NULL, supported_cb, 0, NULL, NULL),
 272     ITEM_FACTORY_ENTRY("/Help/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 273 #ifdef HAVE_PLUGINS
 274     ITEM_FACTORY_ENTRY("/Help/About _Plugins", NULL, tools_plugins_cmd_cb,
 275                        0, NULL, NULL),
 276 #endif /* HAVE_PLUGINS */
 277     ITEM_FACTORY_ENTRY("/Help/_About Ethereal", NULL, about_ethereal,
 278                        0, NULL, NULL)
 279 };
 280
 281
 282 /* calculate the number of menu_items */
 283 static int nmenu_items = sizeof(menu_items) / sizeof(menu_items[0]);
 284
 285 /* packet list popup */
 286 static GtkItemFactoryEntry packet_list_menu_items[] =
 287 {
 288     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 289                        0, NULL, NULL),
 290     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 291     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 292                        0, NULL, NULL),
 293     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 294     ITEM_FACTORY_ENTRY("/Mark Packet", NULL, mark_frame_cb, 0, NULL, NULL),
 295     ITEM_FACTORY_ENTRY("/Time Reference", NULL, NULL, 0, "<Branch>", NULL),
 296     ITEM_FACTORY_ENTRY("/Time Reference/Set Time Reference (toggle)", NULL, reftime_frame_cb, 0, NULL, NULL),
 297     ITEM_FACTORY_ENTRY("/Time Reference/Find Next", NULL, reftime_frame_cb, 1, NULL, NULL),
 298     ITEM_FACTORY_ENTRY("/Time Reference/Find Previous", NULL, reftime_frame_cb, 2, NULL, NULL),
 299     ITEM_FACTORY_ENTRY("/Match", NULL, NULL, 0, "<Branch>", NULL),
 300     ITEM_FACTORY_ENTRY("/Match/_Selected", NULL,
 301                        match_selected_cb_replace_plist, 0, NULL, NULL),
 302     ITEM_FACTORY_ENTRY("/Match/_Not Selected", NULL,
 303                        match_selected_cb_not_plist, 0, NULL, NULL),
 304     ITEM_FACTORY_ENTRY("/Match/_And Selected", NULL,
 305                        match_selected_cb_and_plist, 0, NULL, NULL),
 306     ITEM_FACTORY_ENTRY("/Match/_Or Selected", NULL, match_selected_cb_or_plist,
 307                        0, NULL, NULL),
 308     ITEM_FACTORY_ENTRY("/Match/A_nd Not Selected", NULL,
 309                        match_selected_cb_and_plist_not, 0, NULL, NULL),
 310     ITEM_FACTORY_ENTRY("/Match/O_r Not Selected", NULL,
 311                        match_selected_cb_or_plist_not, 0, NULL, NULL),
 312     ITEM_FACTORY_ENTRY("/Prepare", NULL, NULL, 0, "<Branch>", NULL),
 313     ITEM_FACTORY_ENTRY("/Prepare/_Selected", NULL,
 314                        prepare_selected_cb_replace_plist, 0, NULL, NULL),
 315     ITEM_FACTORY_ENTRY("/Prepare/_Not Selected", NULL,
 316                        prepare_selected_cb_not_plist, 0, NULL, NULL),
 317     ITEM_FACTORY_ENTRY("/Prepare/_And Selected", NULL,
 318                        prepare_selected_cb_and_plist, 0, NULL, NULL),
 319     ITEM_FACTORY_ENTRY("/Prepare/_Or Selected", NULL,
 320                        prepare_selected_cb_or_plist, 0, NULL, NULL),
 321     ITEM_FACTORY_ENTRY("/Prepare/A_nd Not Selected", NULL,
 322                        prepare_selected_cb_and_plist_not, 0, NULL, NULL),
 323     ITEM_FACTORY_ENTRY("/Prepare/O_r Not Selected", NULL,
 324                        prepare_selected_cb_or_plist_not, 0, NULL, NULL),
 325     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 326     ITEM_FACTORY_ENTRY("/Coloring Rules...", NULL, color_display_cb,
 327                        0, NULL, NULL),
 328     ITEM_FACTORY_ENTRY("/Print...", NULL, file_print_cmd_cb, 0, NULL, NULL),
 329     ITEM_FACTORY_ENTRY("/Print Packet", NULL, file_print_packet_cmd_cb,
 330                        0, NULL, NULL),
 331     ITEM_FACTORY_ENTRY("/Show Packet In New Window", NULL, new_window_cb,
 332                        0, NULL, NULL),
 333 };
 334
 335 static GtkItemFactoryEntry tree_view_menu_items[] =
 336 {
 337     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 338                        0, NULL, NULL),
 339     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 340     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 341                        0, NULL, NULL),
 342     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 343     ITEM_FACTORY_ENTRY("/_Resolve Name", NULL, resolve_name_cb, 0, NULL, NULL),
 344     ITEM_FACTORY_ENTRY("/_Go To Corresponding Packet", NULL, goto_framenum_cb, 0, NULL, NULL),
 345     ITEM_FACTORY_ENTRY("/Protocol Properties...", NULL, properties_cb,
 346                        0, NULL, NULL),
 347     ITEM_FACTORY_ENTRY("/Match", NULL, NULL, 0, "<Branch>", NULL),
 348     ITEM_FACTORY_ENTRY("/Match/_Selected", NULL,
 349                        match_selected_cb_replace_ptree, 0, NULL, NULL),
 350     ITEM_FACTORY_ENTRY("/Match/_Not Selected", NULL,
 351                        match_selected_cb_not_ptree, 0, NULL, NULL),
 352     ITEM_FACTORY_ENTRY("/Match/_And Selected", NULL,
 353                        match_selected_cb_and_ptree, 0, NULL, NULL),
 354     ITEM_FACTORY_ENTRY("/Match/_Or Selected", NULL, match_selected_cb_or_ptree,
 355                        0, NULL, NULL),
 356     ITEM_FACTORY_ENTRY("/Match/A_nd Not Selected", NULL,
 357                        match_selected_cb_and_ptree_not, 0, NULL, NULL),
 358     ITEM_FACTORY_ENTRY("/Match/O_r Not Selected", NULL,
 359                        match_selected_cb_or_ptree_not, 0, NULL, NULL),
 360     ITEM_FACTORY_ENTRY("/Prepare", NULL, NULL, 0, "<Branch>", NULL),
 361     ITEM_FACTORY_ENTRY("/Prepare/_Selected", NULL,
 362                        prepare_selected_cb_replace_ptree, 0, NULL, NULL),
 363     ITEM_FACTORY_ENTRY("/Prepare/_Not Selected", NULL,
 364                        prepare_selected_cb_not_ptree, 0, NULL, NULL),
 365     ITEM_FACTORY_ENTRY("/Prepare/_And Selected", NULL,
 366                        prepare_selected_cb_and_ptree, 0, NULL, NULL),
 367     ITEM_FACTORY_ENTRY("/Prepare/_Or Selected", NULL,
 368                        prepare_selected_cb_or_ptree, 0, NULL, NULL),
 369     ITEM_FACTORY_ENTRY("/Prepare/A_nd Not Selected", NULL,
 370                        prepare_selected_cb_and_ptree_not, 0, NULL, NULL),
 371     ITEM_FACTORY_ENTRY("/Prepare/O_r Not Selected", NULL,
 372                        prepare_selected_cb_or_ptree_not, 0, NULL, NULL),
 373     ITEM_FACTORY_ENTRY("/<separator>", NULL, NULL, 0, "<Separator>", NULL),
 374     ITEM_FACTORY_ENTRY("/Collapse All", NULL, collapse_all_cb, 0, NULL, NULL),
 375     ITEM_FACTORY_ENTRY("/Expand All", NULL, expand_all_cb, 0, NULL, NULL)
 376 };
 377
 378 static GtkItemFactoryEntry hexdump_menu_items[] =
 379 {
 380     ITEM_FACTORY_ENTRY("/Follow TCP Stream", NULL, follow_stream_cb,
 381                        0, NULL, NULL),
 382     ITEM_FACTORY_ENTRY("/Decode As...", NULL, decode_as_cb, 0, NULL, NULL),
 383     ITEM_FACTORY_ENTRY("/Display Filters...", NULL, dfilter_dialog_cb,
 384                        0, NULL, NULL),
 385     ITEM_FACTORY_ENTRY("/Save Highlighted Data...", NULL, savehex_cb,
 386                        0, NULL, NULL)
 387 };
 388
 389 static int initialize = TRUE;
 390 static GtkItemFactory *main_menu_factory = NULL;
 391 static GtkItemFactory *packet_list_menu_factory = NULL;
 392 static GtkItemFactory *tree_view_menu_factory = NULL;
 393 static GtkItemFactory *hexdump_menu_factory = NULL;
 394
 395 static GSList *popup_menu_list = NULL;
 396
 397 static GtkAccelGroup *grp;
 398
 399 void
 400 get_main_menu(GtkWidget ** menubar, GtkAccelGroup ** table) {
 401
 402   grp = gtk_accel_group_new();
 403
 404   if (initialize)
 405     menus_init();
 406
 407   if (menubar)
 408     *menubar = main_menu_factory->widget;
 409
 410   if (table)
 411     *table = grp;
 412 }
 413
 414 static void
 415 menus_init(void) {
 416
 417   if (initialize) {
 418     initialize = FALSE;
 419
 420     /* popup */
 421     packet_list_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 422     popup_menu_object = gtk_menu_new();
 423     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);
 424     OBJECT_SET_DATA(popup_menu_object, PM_PACKET_LIST_KEY,
 425                     packet_list_menu_factory->widget);
 426     popup_menu_list = g_slist_append((GSList *)popup_menu_list, packet_list_menu_factory);
 427
 428     tree_view_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 429     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);
 430     OBJECT_SET_DATA(popup_menu_object, PM_TREE_VIEW_KEY,
 431                     tree_view_menu_factory->widget);
 432     popup_menu_list = g_slist_append((GSList *)popup_menu_list, tree_view_menu_factory);
 433
 434     hexdump_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
 435     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);
 436     OBJECT_SET_DATA(popup_menu_object, PM_HEXDUMP_KEY,
 437                     hexdump_menu_factory->widget);
 438     popup_menu_list = g_slist_append((GSList *)popup_menu_list, hexdump_menu_factory);
 439
 440     /* main */
 441     main_menu_factory = gtk_item_factory_new(GTK_TYPE_MENU_BAR, "<main>", grp);
 442     gtk_item_factory_create_items_ac(main_menu_factory, nmenu_items, menu_items, NULL,2);
 443     register_all_tap_menus();   /* must be done after creating the main menu */
 444
 445     /* Initialize enabled/disabled state of menu items */
 446     set_menus_for_unsaved_capture_file(FALSE);
 447     set_menus_for_capture_file(FALSE);
 448 #if 0
 449     /* Un-#if this when we actually implement Cut/Copy/Paste.
 450        Then make sure you enable them when they can be done. */
 451     set_menu_sensitivity(main_menu_factory, "/Edit/Cut", FALSE);
 452     set_menu_sensitivity(main_menu_factory, "/Edit/Copy", FALSE);
 453     set_menu_sensitivity(main_menu_factory, "/Edit/Paste", FALSE);
 454 #endif
 455
 456     set_menus_for_captured_packets(FALSE);
 457     set_menus_for_selected_packet(&cfile);
 458     set_menus_for_selected_tree_row(&cfile);
 459   }
 460 }
 461
 462 typedef struct _menu_item {
 463         char    *name;
 464         gboolean enabled;
 465         gboolean (*selected_packet_enabled)(frame_data *, epan_dissect_t *);
 466         gboolean (*selected_tree_row_enabled)(field_info *);
 467         struct _menu_item *parent;
 468         struct _menu_item *children;
 469         struct _menu_item *next;
 470 } menu_item_t;
 471
 472 static menu_item_t tap_menu_tree_root;
 473
 474 /*
 475  * Add a new menu item for a tap.
 476  * This must be called after we've created the main menu, so it can't
 477  * be called from the routine that registers taps - we have to introduce
 478  * another per-tap registration routine.
 479  *
 480  * "callback" gets called when the menu item is selected; it should do
 481  * the work of creating the tap window.
 482  *
 483  * "selected_packet_enabled" gets called by "set_menus_for_selected_packet()";
 484  * it's passed a Boolean that's TRUE if a packet is selected and FALSE
 485  * otherwise, and should return TRUE if the tap will work now (which
 486  * might depend on whether a packet is selected and, if one is, on the
 487  * packet) and FALSE if not.
 488  *
 489  * "selected_tree_row_enabled" gets called by
 490  * "set_menus_for_selected_tree_row()"; it's passed a Boolean that's TRUE if
 491  * a protocol tree row is selected and FALSE otherwise, and should return
 492  * TRUE if the tap will work now (which might depend on whether a tree row
 493  * is selected and, if one is, on the tree row) and FALSE if not.
 494  */
 495 void
 496 register_tap_menu_item(char *name, GtkItemFactoryCallback callback,
 497     gboolean (*selected_packet_enabled)(frame_data *, epan_dissect_t *),
 498     gboolean (*selected_tree_row_enabled)(field_info *))
 499 {
 500         static const char toolspath[] = "/Analyze/";
 501         char *p;
 502         char *menupath;
 503         size_t menupathlen;
 504         GtkItemFactoryEntry *entry;
 505         menu_item_t *curnode, *child;
 506
 507         /*
 508          * The menu path must be relative.
 509          */
 510         g_assert(*name != '/');
 511
 512         /*
 513          * Create any submenus required.
 514          */
 515         curnode = &tap_menu_tree_root;
 516         p = name;
 517         while ((p = strchr(p, '/')) != NULL) {
 518                 /*
 519                  * OK, everything between "name" and "p" is
 520                  * a menu relative subtree into which the menu item
 521                  * will be placed.
 522                  *
 523                  * Construct the absolute path name of that subtree.
 524                  */
 525                 menupathlen = sizeof toolspath + (p - name);
 526                 menupath = g_malloc(menupathlen);
 527                 strcpy(menupath, toolspath);
 528                 strncat(menupath, name, p - name);
 529
 530                 /*
 531                  * Does there exist an entry with that path at this
 532                  * level of the Tools menu tree?
 533                  */
 534                 for (child = curnode->children; child != NULL;
 535                     child = child->next) {
 536                         if (strcmp(child->name, menupath) == 0)
 537                                 break;
 538                 }
 539                 if (child == NULL) {
 540                         /*
 541                          * No.  Create such an item as a subtree, and
 542                          * add it to the Tools menu tree.
 543                          */
 544                         entry = g_malloc0(sizeof (GtkItemFactoryEntry));
 545                         entry->path = menupath;
 546                         entry->item_type = "<Branch>";
 547                         gtk_item_factory_create_item(main_menu_factory, entry,
 548                             NULL, 2);
 549                         set_menu_sensitivity(main_menu_factory, menupath,
 550                             FALSE);     /* no children yet */
 551                         child = g_malloc(sizeof (menu_item_t));
 552                         child->name = menupath;
 553                         child->selected_packet_enabled = NULL;
 554                         child->selected_tree_row_enabled = NULL;
 555                         child->enabled = FALSE; /* no children yet */
 556                         child->parent = curnode;
 557                         child->children = NULL;
 558                         child->next = curnode->children;
 559                         curnode->children = child;
 560                 } else {
 561                         /*
 562                          * Yes.  We don't need "menupath" any more.
 563                          */
 564                         g_free(menupath);
 565                 }
 566                 curnode = child;
 567
 568                 /*
 569                  * Skip over the '/' we found.
 570                  */
 571                 p++;
 572         }
 573
 574         /*
 575          * Construct the main menu path for the menu item.
 576          *
 577          * "sizeof toolspath" includes the trailing '\0', so the sum
 578          * of that and the length of "name" is enough to hold a string
 579          * containing their concatenation.
 580          */
 581         menupathlen = sizeof toolspath + strlen(name);
 582         menupath = g_malloc(menupathlen);
 583         strcpy(menupath, toolspath);
 584         strcat(menupath, name);
 585
 586         /*
 587          * Construct an item factory entry for the item, and add it to
 588          * the main menu.
 589          */
 590         entry = g_malloc0(sizeof (GtkItemFactoryEntry));
 591         entry->path = menupath;
 592         entry->callback = callback;
 593         gtk_item_factory_create_item(main_menu_factory, entry, NULL, 2);
 594         set_menu_sensitivity(main_menu_factory, menupath, FALSE); /* no capture file yet */
 595         child = g_malloc(sizeof (menu_item_t));
 596         child->name = menupath;
 597         child->enabled = FALSE; /* no capture file yet, hence no taps yet */
 598         child->selected_packet_enabled = selected_packet_enabled;
 599         child->selected_tree_row_enabled = selected_tree_row_enabled;
 600         child->parent = curnode;
 601         child->children = NULL;
 602         child->next = curnode->children;
 603         curnode->children = child;
 604 }
 605
 606 /*
 607  * Enable/disable menu sensitivity.
 608  */
 609 static void
 610 set_menu_sensitivity(GtkItemFactory *ifactory, gchar *path, gint val)
 611 {
 612   GSList *menu_list;
 613   GtkWidget *menu_item;
 614
 615   if (ifactory == NULL) {
 616     /*
 617      * Do it for all pop-up menus.
 618      */
 619     for (menu_list = popup_menu_list; menu_list != NULL;
 620          menu_list = g_slist_next(menu_list))
 621       set_menu_sensitivity(menu_list->data, path, val);
 622   } else {
 623     /*
 624      * Do it for that particular menu.
 625      */
 626     if ((menu_item = gtk_item_factory_get_widget(ifactory, path)) != NULL) {
 627       if (GTK_IS_MENU(menu_item)) {
 628         /*
 629          * "path" refers to a submenu; "gtk_item_factory_get_widget()"
 630          * gets the menu, not the item that, when selected, pops up
 631          * the submenu.
 632          *
 633          * We have to change the latter item's sensitivity, so that
 634          * it shows up normally if sensitive and grayed-out if
 635          * insensitive.
 636          */
 637         menu_item = gtk_menu_get_attach_widget(GTK_MENU(menu_item));
 638       }
 639       gtk_widget_set_sensitive(menu_item, val);
 640     }
 641   }
 642 }
 643
 644 void
 645 set_menu_object_data_meat(GtkItemFactory *ifactory, gchar *path, gchar *key, gpointer data)
 646 {
 647         GtkWidget *menu = NULL;
 648
 649         if ((menu = gtk_item_factory_get_widget(ifactory, path)) != NULL)
 650                 OBJECT_SET_DATA(menu, key, data);
 651 }
 652
 653 void
 654 set_menu_object_data (gchar *path, gchar *key, gpointer data) {
 655   GSList *menu_list = popup_menu_list;
 656   gchar *shortpath = strrchr(path, '/');
 657
 658   set_menu_object_data_meat(main_menu_factory, path, key, data);
 659   while (menu_list != NULL) {
 660         set_menu_object_data_meat(menu_list->data, shortpath, key, data);
 661         menu_list = g_slist_next(menu_list);
 662   }
 663 }
 664
 665 gint
 666 popup_menu_handler(GtkWidget *widget, GdkEvent *event, gpointer data)
 667 {
 668     GtkWidget *menu = NULL;
 669     GdkEventButton *event_button = NULL;
 670     GtkCList *packet_list = NULL;
 671     gint row, column;
 672
 673     if(widget == NULL || event == NULL || data == NULL) {
 674         return FALSE;
 675     }
 676
 677     /*
 678      * If we ever want to make the menu differ based on what row
 679      * and/or column we're above, we'd use "gtk_clist_get_selection_info()"
 680      * to find the row and column number for the coordinates; a CTree is,
 681      * I guess, like a CList with one column(?) and the expander widget
 682      * as a pixmap.
 683      */
 684     /* Check if we are on packet_list object */
 685     if (widget == OBJECT_GET_DATA(popup_menu_object, E_MPACKET_LIST_KEY)) {
 686         packet_list=GTK_CLIST(widget);
 687         if (gtk_clist_get_selection_info(GTK_CLIST(packet_list),
 688                                          ((GdkEventButton *)event)->x,
 689                                          ((GdkEventButton *)event)->y,&row,&column)) {
 690             OBJECT_SET_DATA(popup_menu_object, E_MPACKET_LIST_ROW_KEY,
 691                             GINT_TO_POINTER(row));
 692             OBJECT_SET_DATA(popup_menu_object, E_MPACKET_LIST_COL_KEY,
 693                             GINT_TO_POINTER(column));
 694         }
 695     }
 696     menu = (GtkWidget *)data;
 697     if(event->type == GDK_BUTTON_PRESS) {
 698         event_button = (GdkEventButton *) event;
 699
 700         if(event_button->button == 3) {
 701             gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
 702                            event_button->button,
 703                            event_button->time);
 704             SIGNAL_EMIT_STOP_BY_NAME(widget, "button_press_event");
 705             return TRUE;
 706         }
 707     }
 708 #if GTK_MAJOR_VERSION >= 2
 709     if (widget == tree_view && event->type == GDK_2BUTTON_PRESS) {
 710         GtkTreePath      *path;
 711
 712         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
 713                                           ((GdkEventButton *)event)->x,
 714                                           ((GdkEventButton *)event)->y,
 715                                           &path, NULL, NULL, NULL))
 716         {
 717             if (gtk_tree_view_row_expanded(GTK_TREE_VIEW(widget), path))
 718                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(widget), path);
 719             else
 720                 gtk_tree_view_expand_row(GTK_TREE_VIEW(widget), path,
 721                                          FALSE);
 722             gtk_tree_path_free(path);
 723         }
 724     }
 725 #endif
 726     return FALSE;
 727 }
 728
 729 /* Enable or disable menu items based on whether you have a capture file
 730    you've finished reading. */
 731 void
 732 set_menus_for_capture_file(gboolean have_capture_file)
 733 {
 734   set_menu_sensitivity(main_menu_factory, "/File/Open...", have_capture_file);
 735   set_menu_sensitivity(main_menu_factory, "/File/Save As...",
 736       have_capture_file);
 737   set_menu_sensitivity(main_menu_factory, "/File/Close", have_capture_file);
 738   set_menu_sensitivity(main_menu_factory, "/View/Reload", have_capture_file);
 739   set_toolbar_for_capture_file(have_capture_file);
 740 }
 741
 742 /* Enable or disable menu items based on whether you have an unsaved
 743    capture file you've finished reading. */
 744 void
 745 set_menus_for_unsaved_capture_file(gboolean have_unsaved_capture_file)
 746 {
 747   set_menu_sensitivity(main_menu_factory, "/File/Save",
 748       have_unsaved_capture_file);
 749   set_toolbar_for_unsaved_capture_file(have_unsaved_capture_file);
 750 }
 751
 752 /* Enable or disable menu items based on whether there's a capture in
 753    progress. */
 754 void
 755 set_menus_for_capture_in_progress(gboolean capture_in_progress)
 756 {
 757   set_menu_sensitivity(main_menu_factory, "/File/Open...",
 758       !capture_in_progress);
 759 #ifdef HAVE_LIBPCAP
 760   set_menu_sensitivity(main_menu_factory, "/Capture/Start...",
 761       !capture_in_progress);
 762   /*
 763    * XXX - this doesn't yet work in Win32.
 764    */
 765 #ifndef _WIN32
 766   set_menu_sensitivity(main_menu_factory, "/Capture/Stop",
 767       capture_in_progress);
 768 #endif
 769 #endif /* HAVE_LIBPCAP */
 770   set_toolbar_for_capture_in_progress(capture_in_progress);
 771 }
 772
 773 /* Enable or disable menu items based on whether you have some captured
 774    packets. */
 775 static gboolean
 776 walk_menu_tree_for_captured_packets(menu_item_t *node,
 777     gboolean have_captured_packets)
 778 {
 779         gboolean is_enabled;
 780         menu_item_t *child;
 781
 782         /*
 783          * Is this a leaf node or an interior node?
 784          */
 785         if (node->children == NULL) {
 786                 /*
 787                  * It's a leaf node.
 788                  *
 789                  * If it has no "selected_packet_enabled()" or
 790                  * "selected_tree_row_enabled()" routines, we enable
 791                  * it.  This allows tap windows to be popped up even
 792                  * if you have no capture file; this is done to let
 793                  * the user pop up multiple tap windows before reading
 794                  * in a capture file, so that they can be processed in
 795                  * parallel while the capture file is being read rather
 796                  * than one at at time as you pop up the windows, and to
 797                  * let the user pop up tap windows before starting an
 798                  * "Update list of packets in real time" capture, so that
 799                  * the statistics can be displayed while the capture is
 800                  * in progress.
 801                  *
 802                  * If it has either of those routines, we disable it for
 803                  * now - as long as, when a capture is first available,
 804                  * we don't get called after a packet or tree row is
 805                  * selected, that's OK.
 806                  * XXX - that should be done better.
 807                  */
 808                 if (node->selected_packet_enabled == NULL &&
 809                     node->selected_tree_row_enabled == NULL)
 810                         node->enabled = TRUE;
 811                 else
 812                         node->enabled = FALSE;
 813         } else {
 814                 /*
 815                  * It's an interior node; call
 816                  * "walk_menu_tree_for_captured_packets()" on all its
 817                  * children and, if any of them are enabled, enable
 818                  * this node, otherwise disable it.
 819                  *
 820                  * XXX - should we just leave all interior nodes enabled?
 821                  * Which is a better UI choice?
 822                  */
 823                 is_enabled = FALSE;
 824                 for (child = node->children; child != NULL; child =
 825                     child->next) {
 826                         if (walk_menu_tree_for_captured_packets(child,
 827                             have_captured_packets))
 828                                 is_enabled = TRUE;
 829                 }
 830                 node->enabled = is_enabled;
 831         }
 832
 833         /*
 834          * The root node doesn't correspond to a menu tree item; it
 835          * has a null name pointer.
 836          */
 837         if (node->name != NULL) {
 838                 set_menu_sensitivity(main_menu_factory, node->name,
 839                     node->enabled);
 840         }
 841         return node->enabled;
 842 }
 843
 844 void
 845 set_menus_for_captured_packets(gboolean have_captured_packets)
 846 {
 847   set_menu_sensitivity(main_menu_factory, "/File/Print...",
 848       have_captured_packets);
 849   set_menu_sensitivity(packet_list_menu_factory, "/Print...",
 850       have_captured_packets);
 851   set_menu_sensitivity(main_menu_factory, "/Edit/Find Packet...",
 852       have_captured_packets);
 853   set_menu_sensitivity(main_menu_factory, "/Edit/Find Next",
 854       have_captured_packets);
 855   set_menu_sensitivity(main_menu_factory, "/Edit/Find Previous",
 856       have_captured_packets);
 857   set_menu_sensitivity(main_menu_factory, "/Edit/Go To Packet...",
 858       have_captured_packets);
 859   set_menu_sensitivity(main_menu_factory, "/View/Coloring Rules...",
 860       have_captured_packets);
 861   set_menu_sensitivity(packet_list_menu_factory, "/Coloring Rules...",
 862       have_captured_packets);
 863   set_menu_sensitivity(main_menu_factory, "/Analyze/Summary",
 864       have_captured_packets);
 865   set_menu_sensitivity(main_menu_factory,
 866       "/Analyze/Protocol Hierarchy Statistics", have_captured_packets);
 867   set_menu_sensitivity(packet_list_menu_factory, "/Match",
 868       have_captured_packets);
 869   set_menu_sensitivity(packet_list_menu_factory, "/Prepare",
 870       have_captured_packets);
 871   walk_menu_tree_for_captured_packets(&tap_menu_tree_root,
 872       have_captured_packets);
 873   set_toolbar_for_captured_packets(have_captured_packets);
 874 }
 875
 876 /* Enable or disable menu items based on whether a packet is selected and,
 877    if so, on the properties of the packet. */
 878 static gboolean
 879 walk_menu_tree_for_selected_packet(menu_item_t *node, frame_data *fd,
 880     epan_dissect_t *edt)
 881 {
 882         gboolean is_enabled;
 883         menu_item_t *child;
 884
 885         /*
 886          * Is this a leaf node or an interior node?
 887          */
 888         if (node->children == NULL) {
 889                 /*
 890                  * It's a leaf node.
 891                  *
 892                  * If it has no "selected_packet_enabled()" routine,
 893                  * leave its enabled/disabled status alone - it
 894                  * doesn't depend on whether we have a packet selected
 895                  * or not or on the selected packet.
 896                  *
 897                  * If it has a "selected_packet_enabled()" routine,
 898                  * call it and set the item's enabled/disabled status
 899                  * based on its return value.
 900                  */
 901                 if (node->selected_packet_enabled != NULL)
 902                         node->enabled = node->selected_packet_enabled(fd, edt);
 903         } else {
 904                 /*
 905                  * It's an interior node; call
 906                  * "walk_menu_tree_for_selected_packet()" on all its
 907                  * children and, if any of them are enabled, enable
 908                  * this node, otherwise disable it.
 909                  *
 910                  * XXX - should we just leave all interior nodes enabled?
 911                  * Which is a better UI choice?
 912                  */
 913                 is_enabled = FALSE;
 914                 for (child = node->children; child != NULL; child =
 915                     child->next) {
 916                         if (walk_menu_tree_for_selected_packet(child, fd, edt))
 917                                 is_enabled = TRUE;
 918                 }
 919                 node->enabled = is_enabled;
 920         }
 921
 922         /*
 923          * The root node doesn't correspond to a menu tree item; it
 924          * has a null name pointer.
 925          */
 926         if (node->name != NULL) {
 927                 set_menu_sensitivity(main_menu_factory, node->name,
 928                     node->enabled);
 929         }
 930         return node->enabled;
 931 }
 932
 933 void
 934 set_menus_for_selected_packet(capture_file *cf)
 935 {
 936   set_menu_sensitivity(main_menu_factory, "/File/Print Packet",
 937       cf->current_frame != NULL);
 938   set_menu_sensitivity(packet_list_menu_factory, "/Print Packet",
 939       cf->current_frame != NULL);
 940   set_menu_sensitivity(main_menu_factory, "/Edit/Mark Packet",
 941       cf->current_frame != NULL);
 942   set_menu_sensitivity(main_menu_factory, "/Edit/Time Reference",
 943       cf->current_frame != NULL);
 944   set_menu_sensitivity(packet_list_menu_factory, "/Mark Packet",
 945       cf->current_frame != NULL);
 946   set_menu_sensitivity(main_menu_factory, "/Edit/Mark All Packets",
 947       cf->current_frame != NULL);
 948   set_menu_sensitivity(main_menu_factory, "/Edit/Unmark All Packets",
 949       cf->current_frame != NULL);
 950   set_menu_sensitivity(main_menu_factory, "/View/Collapse All",
 951       cf->current_frame != NULL);
 952   set_menu_sensitivity(tree_view_menu_factory, "/Collapse All",
 953       cf->current_frame != NULL);
 954   set_menu_sensitivity(main_menu_factory, "/View/Expand All",
 955       cf->current_frame != NULL);
 956   set_menu_sensitivity(tree_view_menu_factory, "/Expand All",
 957       cf->current_frame != NULL);
 958   set_menu_sensitivity(main_menu_factory, "/View/Show Packet In New Window",
 959       cf->current_frame != NULL);
 960   set_menu_sensitivity(packet_list_menu_factory, "/Show Packet In New Window",
 961       cf->current_frame != NULL);
 962   set_menu_sensitivity(main_menu_factory, "/Analyze/Follow TCP Stream",
 963       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
 964   set_menu_sensitivity(NULL, "/Follow TCP Stream",
 965       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
 966   set_menu_sensitivity(main_menu_factory, "/Analyze/Decode As...",
 967       cf->current_frame != NULL && decode_as_ok());
 968   set_menu_sensitivity(NULL, "/Decode As...",
 969       cf->current_frame != NULL && decode_as_ok());
 970   set_menu_sensitivity(tree_view_menu_factory, "/Resolve Name",
 971       cf->current_frame != NULL && g_resolv_flags == 0);
 972   set_menu_sensitivity(main_menu_factory, "/Analyze/TCP Stream Analysis",
 973       cf->current_frame != NULL ? (cf->edt->pi.ipproto == IP_PROTO_TCP) : FALSE);
 974   walk_menu_tree_for_selected_packet(&tap_menu_tree_root, cf->current_frame,
 975       cf->edt);
 976 }
 977
 978 /* Enable or disable menu items based on whether a tree row is selected
 979    and, if so, on the properties of the tree row. */
 980 static gboolean
 981 walk_menu_tree_for_selected_tree_row(menu_item_t *node, field_info *fi)
 982 {
 983         gboolean is_enabled;
 984         menu_item_t *child;
 985
 986         /*
 987          * Is this a leaf node or an interior node?
 988          */
 989         if (node->children == NULL) {
 990                 /*
 991                  * It's a leaf node.
 992                  *
 993                  * If it has no "selected_tree_row_enabled()" routine,
 994                  * leave its enabled/disabled status alone - it
 995                  * doesn't depend on whether we have a tree row selected
 996                  * or not or on the selected tree row.
 997                  *
 998                  * If it has a "selected_tree_row_enabled()" routine,
 999                  * call it and set the item's enabled/disabled status
1000                  * based on its return value.
1001                  */
1002                 if (node->selected_tree_row_enabled != NULL)
1003                         node->enabled = node->selected_tree_row_enabled(fi);
1004         } else {
1005                 /*
1006                  * It's an interior node; call
1007                  * "walk_menu_tree_for_selected_tree_row()" on all its
1008                  * children and, if any of them are enabled, enable
1009                  * this node, otherwise disable it.
1010                  *
1011                  * XXX - should we just leave all interior nodes enabled?
1012                  * Which is a better UI choice?
1013                  */
1014                 is_enabled = FALSE;
1015                 for (child = node->children; child != NULL; child =
1016                     child->next) {
1017                         if (walk_menu_tree_for_selected_tree_row(child, fi))
1018                                 is_enabled = TRUE;
1019                 }
1020                 node->enabled = is_enabled;
1021         }
1022
1023         /*
1024          * The root node doesn't correspond to a menu tree item; it
1025          * has a null name pointer.
1026          */
1027         if (node->name != NULL) {
1028                 set_menu_sensitivity(main_menu_factory, node->name,
1029                     node->enabled);
1030         }
1031         return node->enabled;
1032 }
1033
1034 void
1035 set_menus_for_selected_tree_row(capture_file *cf)
1036 {
1037   gboolean properties;
1038
1039   if (cf->finfo_selected != NULL) {
1040         header_field_info *hfinfo = cf->finfo_selected->hfinfo;
1041         if (hfinfo->parent == -1) {
1042           properties = prefs_is_registered_protocol(hfinfo->abbrev);
1043         } else {
1044           properties = prefs_is_registered_protocol(proto_registrar_get_abbrev(hfinfo->parent));
1045         }
1046         set_menu_sensitivity(main_menu_factory,
1047           "/Edit/Go To Corresponding Packet", hfinfo->type == FT_FRAMENUM);
1048         set_menu_sensitivity(tree_view_menu_factory,
1049           "/Go To Corresponding Packet", hfinfo->type == FT_FRAMENUM);
1050         set_menu_sensitivity(main_menu_factory, "/Analyze/Match",
1051           proto_can_match_selected(cf->finfo_selected, cf->edt));
1052         set_menu_sensitivity(tree_view_menu_factory, "/Match",
1053           proto_can_match_selected(cf->finfo_selected, cf->edt));
1054         set_menu_sensitivity(main_menu_factory, "/Analyze/Prepare",
1055           proto_can_match_selected(cf->finfo_selected, cf->edt));
1056         set_menu_sensitivity(tree_view_menu_factory, "/Prepare",
1057           proto_can_match_selected(cf->finfo_selected, cf->edt));
1058         set_menu_sensitivity(tree_view_menu_factory, "/Protocol Properties...",
1059           properties);
1060   } else {
1061         set_menu_sensitivity(main_menu_factory,
1062             "/Edit/Go To Corresponding Packet", FALSE);
1063         set_menu_sensitivity(tree_view_menu_factory,
1064             "/Go To Corresponding Packet", FALSE);
1065         set_menu_sensitivity(main_menu_factory, "/Analyze/Match", FALSE);
1066         set_menu_sensitivity(tree_view_menu_factory, "/Match", FALSE);
1067         set_menu_sensitivity(main_menu_factory, "/Analyze/Prepare", FALSE);
1068         set_menu_sensitivity(tree_view_menu_factory, "/Prepare", FALSE);
1069         set_menu_sensitivity(tree_view_menu_factory, "/Protocol Properties...",
1070           FALSE);
1071   }
1072
1073   walk_menu_tree_for_selected_tree_row(&tap_menu_tree_root, cf->finfo_selected);
1074 }