src/exim_monitor/em_menu.c

   1 /*************************************************
   2 *                  Exim Monitor                  *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2017 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8
   9 #include "em_hdr.h"
  10
  11 /* This module contains code for handling the popup menus. */
  12
  13 static Widget menushell;
  14 static Widget queue_text_sink;
  15 static Widget dialog_shell, dialog_widget;
  16
  17 static Widget text_create(uschar *, int);
  18
  19 static int highlighted_start, highlighted_end, highlighted_x, highlighted_y;
  20
  21
  22
  23 static Arg queue_get_arg[] = {
  24   { "textSink",   (XtArgVal)NULL },
  25   { "textSource", (XtArgVal)NULL },
  26   { "string",     (XtArgVal)NULL } };
  27
  28 static Arg dialog_arg[] = {
  29   { "label",      (XtArgVal)"dialog" },
  30   { "value",      (XtArgVal)"value" } };
  31
  32 static Arg get_pos_args[] = {
  33   {"x",           (XtArgVal)NULL },
  34   {"y",           (XtArgVal)NULL } };
  35
  36 static Arg menushell_arg[] = {
  37   { "label",      (XtArgVal)NULL } };
  38
  39 static Arg button_arg[] = {
  40   { XtNfromVert, (XtArgVal) NULL },         /* must be first */
  41   { XtNlabel,    (XtArgVal) " Dismiss " },
  42   { "left",      XawChainLeft },
  43   { "right",     XawChainLeft },
  44   { "top",       XawChainBottom },
  45   { "bottom",    XawChainBottom } };
  46
  47 static Arg text_arg[] = {
  48   { XtNfromVert, (XtArgVal) NULL },         /* must be first */
  49   { "editType",  XawtextEdit },
  50   { "string",    (XtArgVal)"" },            /* dummy to get it going */
  51   { "scrollVertical", XawtextScrollAlways },
  52   { "wrap",      XawtextWrapWord },
  53   { "top",       XawChainTop },
  54   { "bottom",    XawChainBottom } };
  55
  56 static Arg item_1_arg[] = {
  57   { XtNfromVert,  (XtArgVal)NULL },         /* must be first */
  58   { "label",      (XtArgVal)" Message log" } };
  59
  60 static Arg item_2_arg[] = {
  61   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  62   { "label",      (XtArgVal)" Headers" } };
  63
  64 static Arg item_3_arg[] = {
  65   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  66   { "label",      (XtArgVal)" Body" } };
  67
  68 static Arg item_4_arg[] = {
  69   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  70   { "label",      (XtArgVal)" Deliver message" } };
  71
  72 static Arg item_5_arg[] = {
  73   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  74   { "label",      (XtArgVal)" Freeze message" } };
  75
  76 static Arg item_6_arg[] = {
  77   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  78   { "label",      (XtArgVal)" Thaw message" } };
  79
  80 static Arg item_7_arg[] = {
  81   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  82   { "label",      (XtArgVal)" Give up on msg" } };
  83
  84 static Arg item_8_arg[] = {
  85   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  86   { "label",      (XtArgVal)" Remove message" } };
  87
  88 static Arg item_9_arg[] = {
  89   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  90   { "label",      (XtArgVal)"----------------" } };
  91
  92 static Arg item_10_arg[] = {
  93   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  94   { "label",      (XtArgVal)" Add recipient" } };
  95
  96 static Arg item_11_arg[] = {
  97   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
  98   { "label",      (XtArgVal)" Mark delivered" } };
  99
 100 static Arg item_12_arg[] = {
 101   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
 102   { "label",      (XtArgVal)" Mark all delivered" } };
 103
 104 static Arg item_13_arg[] = {
 105   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
 106   { "label",      (XtArgVal)" Edit sender" } };
 107
 108 static Arg item_99_arg[] = {
 109   { XtNfromVert,  (XtArgVal) NULL },        /* must be first */
 110   { "label",      (XtArgVal)" " } };
 111
 112
 113
 114 /*************************************************
 115 *        Destroy the menu when popped down       *
 116 *************************************************/
 117
 118 static void popdownAction(Widget w, XtPointer client_data, XtPointer call_data)
 119 {
 120 client_data = client_data;    /* Keep picky compilers happy */
 121 call_data = call_data;
 122 if (highlighted_x >= 0)
 123   XawTextSinkDisplayText(queue_text_sink,
 124     highlighted_x, highlighted_y,
 125     highlighted_start, highlighted_end, 0);
 126 XtDestroyWidget(w);
 127 menu_is_up = FALSE;
 128 }
 129
 130
 131
 132 /*************************************************
 133 *          Display the message log               *
 134 *************************************************/
 135
 136 static void
 137 msglogAction(Widget w, XtPointer client_data, XtPointer call_data)
 138 {
 139 int i;
 140 Widget text = text_create(US client_data, text_depth);
 141 uschar * fname = NULL;
 142 FILE * f = NULL;
 143
 144 w = w;      /* Keep picky compilers happy */
 145 call_data = call_data;
 146
 147 /* End up with the split version, so message looks right when non-exist */
 148
 149 for (i = 0; i < (spool_is_split ? 2:1); i++)
 150   {
 151   message_subdir[0] = i != 0 ? (US client_data)[5] : 0;
 152   fname = spool_fname(US"msglog", message_subdir, US client_data, US"");
 153   if ((f = fopen(CS fname, "r")))
 154     break;
 155   }
 156
 157 if (!f)
 158   text_showf(text, "%s: %s\n", fname, strerror(errno));
 159 else
 160   {
 161   uschar buffer[256];
 162   while (Ufgets(buffer, sizeof(buffer), f) != NULL) text_show(text, buffer);
 163   fclose(f);
 164   }
 165 }
 166
 167
 168
 169 /*************************************************
 170 *          Display the message body               *
 171 *************************************************/
 172
 173 static void
 174 bodyAction(Widget w, XtPointer client_data, XtPointer call_data)
 175 {
 176 int i;
 177 Widget text = text_create(US client_data, text_depth);
 178 FILE *f = NULL;
 179
 180 w = w;      /* Keep picky compilers happy */
 181 call_data = call_data;
 182
 183 for (i = 0; i < (spool_is_split? 2:1); i++)
 184   {
 185   uschar * fname;
 186   message_subdir[0] = i != 0 ? (US client_data)[5] : 0;
 187   fname = spool_fname(US"input", message_subdir, US client_data, US"-D");
 188   if ((f = fopen(CS fname, "r")))
 189     break;
 190   }
 191
 192 if (f == NULL)
 193   text_showf(text, "Failed to open file: %s\n", strerror(errno));
 194 else
 195   {
 196   uschar buffer[256];
 197   int count = 0;
 198
 199   while (Ufgets(buffer, sizeof(buffer), f) != NULL)
 200     {
 201     text_show(text, buffer);
 202     count += Ustrlen(buffer);
 203     if (count > body_max)
 204       {
 205       text_show(text, US"\n*** Message length exceeds BODY_MAX ***\n");
 206       break;
 207       }
 208     }
 209   fclose(f);
 210   }
 211 }
 212
 213
 214
 215 /*************************************************
 216 *        Do something to a message               *
 217 *************************************************/
 218
 219 /* The output is not shown in a window for non-delivery actions that succeed,
 220 unless action_output is set. We can't, however, tell until we have run
 221 the command whether we want the output or not, so the pipe has to be set up in
 222 all cases. */
 223
 224 static void ActOnMessage(uschar *id, uschar *action, uschar *address_arg)
 225 {
 226 int pid;
 227 int pipe_fd[2];
 228 int delivery = Ustrcmp(action + Ustrlen(action) - 2, "-M") == 0;
 229 uschar *quote = US"";
 230 uschar *at = US"";
 231 uschar *qualify = US"";
 232 uschar buffer[256];
 233 queue_item *qq;
 234 Widget text = NULL;
 235
 236 /* If the address arg is not empty and does not contain @ and there is a
 237 qualify domain, qualify it. (But don't qualify '<>'.)*/
 238
 239 if (address_arg[0] != 0)
 240   {
 241   quote = US"\'";
 242   if (Ustrchr(address_arg, '@') == NULL &&
 243       Ustrcmp(address_arg, "<>") != 0 &&
 244       qualify_domain != NULL &&
 245       qualify_domain[0] != 0)
 246     {
 247     at = US"@";
 248     qualify = qualify_domain;
 249     }
 250   }
 251 sprintf(CS buffer, "%s %s %s %s %s %s%s%s%s%s", exim_path,
 252   (alternate_config == NULL)? US"" : US"-C",
 253   (alternate_config == NULL)? US"" : alternate_config,
 254   action, id, quote, address_arg, at, qualify, quote);
 255
 256 /* If we know we are going to need the window, create it now. */
 257
 258 if (action_output || delivery)
 259   {
 260   text = text_create(id, text_depth);
 261   text_showf(text, "%s\n", buffer);
 262   }
 263
 264 /* Create the pipe for output. Remember, on most systems pipe[0] is
 265 for reading and pipe[1] is for writing! Solaris, with its two-way
 266 pipes is a trap! */
 267
 268 if (pipe(pipe_fd) != 0)
 269   {
 270   if (text == NULL)
 271     {
 272     text = text_create(id, text_depth);
 273     text_showf(text, "%s\n", buffer);
 274     }
 275   text_show(text, US"*** Failed to create pipe ***\n");
 276   return;
 277   }
 278
 279 if (  fcntl(pipe_fd[0], F_SETFL, O_NONBLOCK)
 280    || fcntl(pipe_fd[1], F_SETFL, O_NONBLOCK))
 281   {
 282   perror("set nonblocking on pipe");
 283   exit(1);
 284   }
 285
 286 /* Delivering a message can take some time, and we want to show the
 287 output as it goes along. This requires subprocesses and is coded below. For
 288 other commands, we can assume an immediate response, and so need not waste
 289 resources with subprocesses. If action_output is FALSE, don't show the
 290 output at all. */
 291
 292 if (!delivery)
 293   {
 294   int count, rc;
 295   int save_stdout = dup(1);
 296   int save_stderr = dup(2);
 297
 298   close(1);
 299   close(2);
 300
 301   dup2(pipe_fd[1], 1);
 302   dup2(pipe_fd[1], 2);
 303   close(pipe_fd[1]);
 304
 305   rc = system(CS buffer);
 306
 307   close(1);
 308   close(2);
 309
 310   if (action_output || rc != 0)
 311     {
 312     if (text == NULL)
 313       {
 314       text = text_create(id, text_depth);
 315       text_showf(text, "%s\n", buffer);
 316       }
 317     while ((count = read(pipe_fd[0], buffer, 254)) > 0)
 318       {
 319       buffer[count] = 0;
 320       text_show(text, buffer);
 321       }
 322     }
 323
 324   close(pipe_fd[0]);
 325
 326   dup2(save_stdout, 1);
 327   dup2(save_stderr, 2);
 328   close(save_stdout);
 329   close(save_stderr);
 330
 331   /* If action was to change the sender, and it succeeded, we have to
 332   update the in-store data. */
 333
 334   if (rc == 0 && Ustrcmp(action + Ustrlen(action) - 4, "-Mes") == 0)
 335     {
 336     queue_item *q = find_queue(id, queue_noop, 0);
 337     if (q)
 338       {
 339       if (q->sender) store_free(q->sender);
 340       q->sender = store_malloc(Ustrlen(address_arg) + 1);
 341       Ustrcpy(q->sender, address_arg);
 342       }
 343     }
 344
 345   /* If configured, cause a display update and return */
 346
 347   if (action_queue_update) tick_queue_accumulator = 999999;
 348   return;
 349   }
 350
 351 /* Message is to be delivered. Ensure that it is marked unfrozen,
 352 because nothing will get written to the log to show that this has
 353 happened. (Other freezing/unfreezings get logged and picked up from
 354 there.) */
 355
 356 qq = find_queue(id, queue_noop, 0);
 357 if (qq != NULL) qq->frozen = FALSE;
 358
 359 /* New, asynchronous code runs in a subprocess for commands that
 360 will take some time. The main process does not wait. There is a
 361 SIGCHLD handler in the main program that cleans up any terminating
 362 sub processes. */
 363
 364 if ((pid = fork()) == 0)
 365   {
 366   close(1);
 367   close(2);
 368
 369   dup2(pipe_fd[1], 1);
 370   dup2(pipe_fd[1], 2);
 371   close(pipe_fd[1]);
 372
 373   system(CS buffer);
 374
 375   close(1);
 376   close(2);
 377   close(pipe_fd[0]);
 378   _exit(0);
 379   }
 380
 381 /* Main process - set up an item for the main ticker to watch. */
 382
 383 if (pid < 0) text_showf(text, "Failed to fork: %s\n", strerror(errno)); else
 384   {
 385   pipe_item *p = (pipe_item *)store_malloc(sizeof(pipe_item));
 386
 387   if (p == NULL)
 388     {
 389     text_show(text, US"Run out of store\n");
 390     return;
 391     }
 392
 393   p->widget = text;
 394   p->fd = pipe_fd[0];
 395
 396   p->next = pipe_chain;
 397   pipe_chain = p;
 398
 399   close(pipe_fd[1]);
 400   }
 401 }
 402
 403
 404
 405
 406 /*************************************************
 407 *        Cause a message to be delivered         *
 408 *************************************************/
 409
 410 static void deliverAction(Widget w, XtPointer client_data, XtPointer call_data)
 411 {
 412 w = w;      /* Keep picky compilers happy */
 413 call_data = call_data;
 414 ActOnMessage(US client_data, US"-v -M", US"");
 415 }
 416
 417
 418
 419 /*************************************************
 420 *        Cause a message to be Frozen            *
 421 *************************************************/
 422
 423 static void freezeAction(Widget w, XtPointer client_data, XtPointer call_data)
 424 {
 425 w = w;      /* Keep picky compilers happy */
 426 call_data = call_data;
 427 ActOnMessage(US client_data, US"-Mf", US"");
 428 }
 429
 430
 431
 432 /*************************************************
 433 *        Cause a message to be thawed            *
 434 *************************************************/
 435
 436 static void thawAction(Widget w, XtPointer client_data, XtPointer call_data)
 437 {
 438 w = w;      /* Keep picky compilers happy */
 439 call_data = call_data;
 440 ActOnMessage(US client_data, US"-Mt", US"");
 441 }
 442
 443
 444
 445 /*************************************************
 446 *          Take action using dialog data         *
 447 *************************************************/
 448
 449 /* This function is called after a dialog box has been filled
 450 in. It is global because it is set up in the action table at
 451 start-up time. If the string is empty, do nothing. */
 452
 453 XtActionProc dialogAction(Widget w, XEvent *event, String *ss, Cardinal *c)
 454 {
 455 uschar *s = US XawDialogGetValueString(dialog_widget);
 456
 457 w = w;      /* Keep picky compilers happy */
 458 event = event;
 459 ss = ss;
 460 c = c;
 461
 462 XtPopdown((Widget)dialog_shell);
 463 XtDestroyWidget((Widget)dialog_shell);
 464 while (isspace(*s)) s++;
 465 if (s[0] != 0)
 466   {
 467   if (actioned_message[0] != 0)
 468     ActOnMessage(actioned_message, action_required, s);
 469   else
 470     NonMessageDialogue(s);    /* When called from somewhere else */
 471   }
 472 return NULL;
 473 }
 474
 475
 476
 477 /*************************************************
 478 *              Create a dialog box               *
 479 *************************************************/
 480
 481 /* The focus is grabbed exclusively, so nothing else can
 482 be done to the application until the box is filled in. This
 483 function is also used by the Hide button handler. */
 484
 485 void create_dialog(uschar *label, uschar *value)
 486 {
 487 Arg warg[4];
 488 Dimension x, y, xx, yy;
 489 XtTranslations pop_trans;
 490 Widget text;
 491
 492 /* Get the position of a reference widget so the dialog box can be put
 493 near to it. */
 494
 495 get_pos_args[0].value = (XtArgVal)(&x);
 496 get_pos_args[1].value = (XtArgVal)(&y);
 497 XtGetValues(dialog_ref_widget, get_pos_args, 2);
 498
 499 /* When this is not a message_specific thing, the position of the reference
 500 widget is relative to the window. Get the position of the top level widget and
 501 add to the position. */
 502
 503 if (dialog_ref_widget != menushell)
 504   {
 505   get_pos_args[0].value = (XtArgVal)(&xx);
 506   get_pos_args[1].value = (XtArgVal)(&yy);
 507   XtGetValues(toplevel_widget, get_pos_args, 2);
 508   x += xx;
 509   y += yy;
 510   }
 511
 512 /* Create a transient shell for the dialog box. */
 513
 514 XtSetArg(warg[0], XtNtransientFor, queue_widget);
 515 XtSetArg(warg[1], XtNx, x + 50);
 516 XtSetArg(warg[2], XtNy, y + 50);
 517 XtSetArg(warg[3], XtNallowShellResize, True);
 518 dialog_shell = XtCreatePopupShell("forDialog", transientShellWidgetClass,
 519    toplevel_widget, warg, 4);
 520
 521 /* Create the dialog box. */
 522
 523 dialog_arg[0].value = (XtArgVal)label;
 524 dialog_arg[1].value = (XtArgVal)value;
 525 dialog_widget = XtCreateManagedWidget("dialog", dialogWidgetClass, dialog_shell,
 526   dialog_arg, XtNumber(dialog_arg));
 527
 528 /* Get the text widget from within the dialog box, give it the keyboard focus,
 529 make it wider than the default, and override its translations to make Return
 530 call the dialog action function. */
 531
 532 text = XtNameToWidget(dialog_widget, "value");
 533 XawTextSetInsertionPoint(text, Ustrlen(value));
 534 XtSetKeyboardFocus(dialog_widget, text);
 535 xs_SetValues(text, 1, "width", 200);
 536 pop_trans = XtParseTranslationTable(
 537   "<Key>Return:         dialogAction()\n");
 538 XtOverrideTranslations(text, pop_trans);
 539
 540 /* Pop the thing up. */
 541
 542 XtPopup(dialog_shell, XtGrabExclusive);
 543 XFlush(X_display);
 544 }
 545
 546
 547
 548
 549
 550 /*************************************************
 551 *        Cause a recipient to be added           *
 552 *************************************************/
 553
 554 /* This just sets up the dialog box; the action happens when it has been filled
 555 in. */
 556
 557 static void addrecipAction(Widget w, XtPointer client_data, XtPointer call_data)
 558 {
 559 w = w;      /* Keep picky compilers happy */
 560 call_data = call_data;
 561 Ustrncpy(actioned_message, client_data, 24);
 562 actioned_message[23] = '\0';
 563 action_required = US"-Mar";
 564 dialog_ref_widget = menushell;
 565 create_dialog(US"Recipient address to add?", US"");
 566 }
 567
 568
 569
 570 /*************************************************
 571 *    Cause an address to be marked delivered     *
 572 *************************************************/
 573
 574 static void markdelAction(Widget w, XtPointer client_data, XtPointer call_data)
 575 {
 576 w = w;      /* Keep picky compilers happy */
 577 call_data = call_data;
 578 Ustrncpy(actioned_message, client_data, 24);
 579 actioned_message[23] = '\0';
 580 action_required = US"-Mmd";
 581 dialog_ref_widget = menushell;
 582 create_dialog(US"Recipient address to mark delivered?", US"");
 583 }
 584
 585
 586 /*************************************************
 587 *   Cause all addresses to be marked delivered   *
 588 *************************************************/
 589
 590 static void markalldelAction(Widget w, XtPointer client_data, XtPointer call_data)
 591 {
 592 w = w;      /* Keep picky compilers happy */
 593 call_data = call_data;
 594 ActOnMessage(US client_data, US"-Mmad", US"");
 595 }
 596
 597
 598 /*************************************************
 599 *        Edit the message's sender               *
 600 *************************************************/
 601
 602 static void editsenderAction(Widget w, XtPointer client_data,
 603   XtPointer call_data)
 604 {
 605 queue_item *q;
 606 uschar *sender;
 607 w = w;      /* Keep picky compilers happy */
 608 call_data = call_data;
 609 Ustrncpy(actioned_message, client_data, 24);
 610 actioned_message[23] = '\0';
 611 q = find_queue(actioned_message, queue_noop, 0);
 612 sender = !q ? US"" : q->sender[0] == 0 ? US"<>" : q->sender;
 613 action_required = US"-Mes";
 614 dialog_ref_widget = menushell;
 615 create_dialog(US"New sender address?", sender);
 616 }
 617
 618
 619 /*************************************************
 620 *    Cause a message to be returned to sender    *
 621 *************************************************/
 622
 623 static void giveupAction(Widget w, XtPointer client_data, XtPointer call_data)
 624 {
 625 w = w;      /* Keep picky compilers happy */
 626 call_data = call_data;
 627 ActOnMessage(US client_data, US"-v -Mg", US"");
 628 }
 629
 630
 631
 632 /*************************************************
 633 *      Cause a message to be cancelled           *
 634 *************************************************/
 635
 636 static void removeAction(Widget w, XtPointer client_data, XtPointer call_data)
 637 {
 638 w = w;      /* Keep picky compilers happy */
 639 call_data = call_data;
 640 ActOnMessage(US client_data, US"-Mrm", US"");
 641 }
 642
 643
 644
 645 /*************************************************
 646 *             Display a message's headers        *
 647 *************************************************/
 648
 649 static void headersAction(Widget w, XtPointer client_data, XtPointer call_data)
 650 {
 651 uschar buffer[256];
 652 header_line *h, *next;
 653 Widget text = text_create(US client_data, text_depth);
 654 void *reset_point;
 655
 656 w = w;      /* Keep picky compilers happy */
 657 call_data = call_data;
 658
 659 /* Remember the point in the dynamic store so we can recover to it afterwards.
 660 Then use Exim's function to read the header. */
 661
 662 reset_point = store_get(0);
 663
 664 sprintf(CS buffer, "%s-H", US client_data);
 665 if (spool_read_header(buffer, TRUE, FALSE) != spool_read_OK)
 666   {
 667   if (errno == ERRNO_SPOOLFORMAT)
 668     {
 669     struct stat statbuf;
 670     sprintf(CS big_buffer, "%s/input/%s", spool_directory, buffer);
 671     if (Ustat(big_buffer, &statbuf) == 0)
 672       text_showf(text, "Format error in spool file %s: size=%d\n", buffer,
 673         statbuf.st_size);
 674     else text_showf(text, "Format error in spool file %s\n", buffer);
 675     }
 676   else text_showf(text, "Read error for spool file %s\n", buffer);
 677   store_reset(reset_point);
 678   return;
 679   }
 680
 681 if (sender_address != NULL)
 682   {
 683   text_showf(text, "%s sender: <%s>\n", sender_local? "Local" : "Remote",
 684     sender_address);
 685   }
 686
 687 if (recipients_list != NULL)
 688   {
 689   int i;
 690   text_show(text, US"Recipients:\n");
 691   for (i = 0; i < recipients_count; i++)
 692     {
 693     text_showf(text, "  %s %s\n",
 694       (tree_search(tree_nonrecipients, recipients_list[i].address) == NULL)?
 695         " ":"*", recipients_list[i].address);
 696     }
 697   text_show(text, US"\n");
 698   }
 699
 700 for (h = header_list; h != NULL; h = next)
 701   {
 702   next = h->next;
 703   text_showf(text, "%c ", h->type);   /* Don't push h->text through a %s */
 704   text_show(text, h->text);           /* expansion as it may be v large */
 705   }
 706
 707 store_reset(reset_point);
 708 }
 709
 710
 711
 712
 713 /*************************************************
 714 *              Dismiss a text window             *
 715 *************************************************/
 716
 717 static void dismissAction(Widget w, XtPointer client_data, XtPointer call_data)
 718 {
 719 pipe_item *p = pipe_chain;
 720
 721 w = w;      /* Keep picky compilers happy */
 722 call_data = call_data;
 723
 724 XtPopdown((Widget)client_data);
 725 XtDestroyWidget((Widget)client_data);
 726
 727 /* If this is a text widget for a sub-process, clear it out of
 728 the chain so that subsequent data doesn't try to use it. We have
 729 to search the parents of the saved widget to see if one of them
 730 is what we have just destroyed. */
 731
 732 while (p != NULL)
 733   {
 734   Widget pp = p->widget;
 735   while (pp != NULL)
 736     {
 737     if (pp == (Widget)client_data) { p->widget = NULL; return; }
 738     pp = XtParent(pp);
 739     }
 740   p = p->next;
 741   }
 742 }
 743
 744
 745
 746 /*************************************************
 747 *             Set up popup text window           *
 748 *************************************************/
 749
 750 static Widget text_create(uschar *name, int height)
 751 {
 752 Widget textshell, form, text, button;
 753
 754 /* Create a popup shell widget to display as an additional
 755 toplevel window. */
 756
 757 textshell = XtCreatePopupShell("textshell", topLevelShellWidgetClass,
 758   toplevel_widget, NULL, 0);
 759 xs_SetValues(textshell, 4,
 760   "title",     name,
 761   "iconName",  name,
 762   "minWidth",  100,
 763   "minHeight", 100);
 764
 765 /* Create a form widget, containing the text widget and the
 766 dismiss button widget. */
 767
 768 form = XtCreateManagedWidget("textform", formWidgetClass,
 769   textshell, NULL, 0);
 770 xs_SetValues(form, 1, "defaultDistance", 8);
 771
 772 text = XtCreateManagedWidget("texttext", asciiTextWidgetClass,
 773   form, text_arg, XtNumber(text_arg));
 774 xs_SetValues(text, 4,
 775   "editType",        XawtextAppend,
 776   "width",           700,
 777   "height",          height,
 778   "translations",    text_trans);
 779 XawTextDisplayCaret(text, TRUE);
 780
 781 /* Use the same font as for the queue display */
 782
 783 if (queue_font != NULL)
 784   {
 785   XFontStruct *f = XLoadQueryFont(X_display, CS queue_font);
 786   if (f != NULL) xs_SetValues(text, 1, "font", f);
 787   }
 788
 789 button_arg[0].value = (XtArgVal)text;
 790 button = XtCreateManagedWidget("dismiss", commandWidgetClass,
 791   form, button_arg, XtNumber(button_arg));
 792 XtAddCallback(button, "callback",  dismissAction, (XtPointer)textshell);
 793
 794 /* Get the toplevel popup displayed, and yield the text widget so
 795 that text can be put into it. */
 796
 797 XtPopup(textshell, XtGrabNone);
 798 return text;
 799 }
 800
 801
 802
 803
 804 /*************************************************
 805 *            Set up menu in queue window         *
 806 *************************************************/
 807
 808 /* We have added an action table that causes this function to
 809 be called, and set up button 2 in the text widgets to call it. */
 810
 811 void menu_create(Widget w, XEvent *event, String *actargs, Cardinal *count)
 812 {
 813 int line;
 814 int i;
 815 uschar *s;
 816 XawTextPosition p;
 817 Widget src, menu_line, item_1, item_2, item_3, item_4,
 818   item_5, item_6, item_7, item_8, item_9, item_10, item_11,
 819   item_12, item_13;
 820 XtTranslations menu_trans = XtParseTranslationTable(
 821   "<EnterWindow>:   highlight()\n\
 822    <LeaveWindow>:   unhighlight()\n\
 823    <BtnMotion>:     highlight()\n\
 824    <BtnUp>:         MenuPopdown()notify()unhighlight()\n\
 825   ");
 826
 827 actargs = actargs;   /* Keep picky compilers happy */
 828 count = count;
 829
 830 /* Get the sink and source and the current text pointer */
 831
 832 queue_get_arg[0].value = (XtArgVal)(&queue_text_sink);
 833 queue_get_arg[1].value = (XtArgVal)(&src);
 834 queue_get_arg[2].value = (XtArgVal)(&s);
 835 XtGetValues(w, queue_get_arg, 3);
 836
 837 /* Find the line number of the pointer in the window, and the
 838 character offset of the top lefthand of the window. */
 839
 840 line = (event->xbutton).y / XawTextSinkMaxHeight(queue_text_sink, 1);
 841 p = XawTextTopPosition(w);
 842
 843 /* Find the start of the line on which the button was clicked. */
 844
 845 i = line;
 846 while (i-- > 0)
 847   {
 848   while (s[p] != 0 && s[p++] != '\n');
 849   }
 850
 851 /* Now pointing either at 0 or 1st uschar after \n, or very 1st uschar.
 852 If 0, the click was beyond the end of the data; just set up a dummy
 853 menu. (Not easy to ignore as several actions are specified for the
 854 mouse click and it expects this one to set up a menu.) If on a
 855 continuation line, move back to the main line. */
 856
 857 if (s[p] == 0)
 858   {
 859   menushell_arg[0].value = (XtArgVal)"No message selected";
 860   menushell = XtCreatePopupShell("menu", simpleMenuWidgetClass,
 861     queue_widget, menushell_arg, XtNumber(menushell_arg));
 862   XtAddCallback(menushell, "popdownCallback", popdownAction, NULL);
 863   xs_SetValues(menushell, 2,
 864     "cursor",       XCreateFontCursor(X_display, XC_arrow),
 865     "translations", menu_trans);
 866
 867   /* To keep the widgets in XFree86 happy, we have to create at least one menu
 868   item, it seems. (Openwindows doesn't mind a menu with no items.) Otherwise
 869   there's a complaint about a zero width menu, and a crash. */
 870
 871   menu_line = XtCreateManagedWidget("line", smeLineObjectClass, menushell,
 872     NULL, 0);
 873
 874   item_99_arg[0].value = (XtArgVal)menu_line;
 875   (void)XtCreateManagedWidget("item99", smeBSBObjectClass, menushell,
 876     item_99_arg, XtNumber(item_99_arg));
 877
 878   highlighted_x = -1;
 879   return;
 880   }
 881
 882 while (p > 0 && s[p+11] == ' ')
 883   {
 884   line--;
 885   p--;
 886   while (p > 0 && s[p-1] != '\n') p--;
 887   }
 888
 889 /* Now pointing at first character of a main line. */
 890
 891 Ustrncpy(message_id, s+p+11, MESSAGE_ID_LENGTH);
 892 message_id[MESSAGE_ID_LENGTH] = 0;
 893
 894 /* Highlight the line being menued, and save its parameters so that it
 895 can be de-highlighted at popdown. */
 896
 897 highlighted_start = highlighted_end = p;
 898 while (s[highlighted_end] != '\n') highlighted_end++;
 899 highlighted_x = 17;
 900 highlighted_y = line * XawTextSinkMaxHeight(queue_text_sink, 1) + 2;
 901
 902 XawTextSinkDisplayText(queue_text_sink,
 903   highlighted_x, highlighted_y,
 904   highlighted_start, highlighted_end, 1);
 905
 906 /* Create the popup shell and the other widgets that comprise the menu.
 907 Set the translations and pointer shape, and add the callback pointers. */
 908
 909 menushell_arg[0].value = (XtArgVal)message_id;
 910 menushell = XtCreatePopupShell("menu", simpleMenuWidgetClass,
 911   queue_widget, menushell_arg, XtNumber(menushell_arg));
 912 XtAddCallback(menushell, "popdownCallback", popdownAction, NULL);
 913
 914 xs_SetValues(menushell, 2,
 915   "cursor",       XCreateFontCursor(X_display, XC_arrow),
 916   "translations", menu_trans);
 917
 918 menu_line = XtCreateManagedWidget("line", smeLineObjectClass, menushell,
 919   NULL, 0);
 920
 921 item_1_arg[0].value = (XtArgVal)menu_line;
 922 item_1 = XtCreateManagedWidget("item1", smeBSBObjectClass, menushell,
 923   item_1_arg, XtNumber(item_1_arg));
 924 XtAddCallback(item_1, "callback",  msglogAction, (XtPointer)message_id);
 925
 926 item_2_arg[0].value = (XtArgVal)item_1;
 927 item_2 = XtCreateManagedWidget("item2", smeBSBObjectClass, menushell,
 928   item_2_arg, XtNumber(item_2_arg));
 929 XtAddCallback(item_2, "callback",  headersAction, (XtPointer)message_id);
 930
 931 item_3_arg[0].value = (XtArgVal)item_2;
 932 item_3 = XtCreateManagedWidget("item3", smeBSBObjectClass, menushell,
 933   item_3_arg, XtNumber(item_3_arg));
 934 XtAddCallback(item_3, "callback",  bodyAction, (XtPointer)message_id);
 935
 936 item_4_arg[0].value = (XtArgVal)item_3;
 937 item_4 = XtCreateManagedWidget("item4", smeBSBObjectClass, menushell,
 938   item_4_arg, XtNumber(item_4_arg));
 939 XtAddCallback(item_4, "callback",  deliverAction, (XtPointer)message_id);
 940
 941 item_5_arg[0].value = (XtArgVal)item_4;
 942 item_5 = XtCreateManagedWidget("item5", smeBSBObjectClass, menushell,
 943   item_5_arg, XtNumber(item_5_arg));
 944 XtAddCallback(item_5, "callback",  freezeAction, (XtPointer)message_id);
 945
 946 item_6_arg[0].value = (XtArgVal)item_5;
 947 item_6 = XtCreateManagedWidget("item6", smeBSBObjectClass, menushell,
 948   item_6_arg, XtNumber(item_6_arg));
 949 XtAddCallback(item_6, "callback",  thawAction, (XtPointer)message_id);
 950
 951 item_7_arg[0].value = (XtArgVal)item_6;
 952 item_7 = XtCreateManagedWidget("item7", smeBSBObjectClass, menushell,
 953   item_7_arg, XtNumber(item_7_arg));
 954 XtAddCallback(item_7, "callback",  giveupAction, (XtPointer)message_id);
 955
 956 item_8_arg[0].value = (XtArgVal)item_7;
 957 item_8 = XtCreateManagedWidget("item8", smeBSBObjectClass, menushell,
 958   item_8_arg, XtNumber(item_8_arg));
 959 XtAddCallback(item_8, "callback",  removeAction, (XtPointer)message_id);
 960
 961 item_9_arg[0].value = (XtArgVal)item_8;
 962 item_9 = XtCreateManagedWidget("item9", smeBSBObjectClass, menushell,
 963   item_9_arg, XtNumber(item_9_arg));
 964
 965 item_10_arg[0].value = (XtArgVal)item_9;
 966 item_10 = XtCreateManagedWidget("item10", smeBSBObjectClass, menushell,
 967   item_10_arg, XtNumber(item_10_arg));
 968 XtAddCallback(item_10, "callback",  addrecipAction, (XtPointer)message_id);
 969
 970 item_11_arg[0].value = (XtArgVal)item_10;
 971 item_11 = XtCreateManagedWidget("item11", smeBSBObjectClass, menushell,
 972   item_11_arg, XtNumber(item_11_arg));
 973 XtAddCallback(item_11, "callback",  markdelAction, (XtPointer)message_id);
 974
 975 item_12_arg[0].value = (XtArgVal)item_11;
 976 item_12 = XtCreateManagedWidget("item12", smeBSBObjectClass, menushell,
 977   item_12_arg, XtNumber(item_12_arg));
 978 XtAddCallback(item_12, "callback",  markalldelAction, (XtPointer)message_id);
 979
 980 item_13_arg[0].value = (XtArgVal)item_12;
 981 item_13 = XtCreateManagedWidget("item13", smeBSBObjectClass, menushell,
 982   item_13_arg, XtNumber(item_13_arg));
 983 XtAddCallback(item_13, "callback",  editsenderAction, (XtPointer)message_id);
 984
 985 /* Arrange that the menu pops up with the first item selected. */
 986
 987 xs_SetValues(menushell, 1, "popupOnEntry", item_1);
 988
 989 /* Flag that the menu is up to suppress queue updates. */
 990
 991 menu_is_up = TRUE;
 992 }
 993
 994 /* End of em_menu.c */