1 /*************************************************
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* Copyright (c) The Exim Maintainers 2021 */
7 /* See the file NOTICE for conditions of use and distribution. */
12 /* This module contains the main program of the Exim monitor, which
13 sets up the world and then lets the XtAppMainLoop function
14 run things off X events. */
17 /*************************************************
19 *************************************************/
21 /* Fallback resources */
23 static String fallback_resources[] = {"eximon.geometry: +150+0", NULL};
25 /* X11 fixed argument lists */
27 static Arg quit_args[] = {
28 {XtNfromVert, (XtArgVal) NULL}, /* must be first */
29 {XtNlabel, (XtArgVal) " Quit "},
30 {"left", XawChainLeft},
31 {"right", XawChainLeft},
33 {"bottom", XawChainTop}
36 static Arg resize_args[] = {
37 {XtNfromVert, (XtArgVal) NULL}, /* must be first */
38 {XtNfromHoriz,(XtArgVal) NULL}, /* must be second */
39 {XtNlabel, (XtArgVal) " Size "},
40 {"left", XawChainLeft},
41 {"right", XawChainLeft},
43 {"bottom", XawChainTop}
46 static Arg update_args[] = {
47 {XtNfromVert, (XtArgVal) NULL}, /* must be first */
48 {XtNlabel, (XtArgVal) " Update "},
49 {"left", XawChainLeft},
50 {"right", XawChainLeft},
52 {"bottom", XawChainTop}
55 static Arg hide_args[] = {
56 {XtNfromVert, (XtArgVal) NULL}, /* must be first */
57 {XtNfromHoriz,(XtArgVal) NULL}, /* must be second */
58 {XtNlabel, (XtArgVal) " Hide "},
59 {"left", XawChainLeft},
60 {"right", XawChainLeft},
62 {"bottom", XawChainTop}
65 static Arg unhide_args[] = {
66 {XtNfromVert, (XtArgVal) NULL}, /* must be first */
67 {XtNfromHoriz,(XtArgVal) NULL}, /* must be second */
68 {XtNlabel, (XtArgVal) " Unhide "},
69 {"left", XawChainLeft},
70 {"right", XawChainLeft},
72 {"bottom", XawChainTop}
75 static Arg log_args[] = {
76 {XtNfromVert, (XtArgVal) NULL}, /* must be first */
77 {"editType", XawtextEdit},
78 {"useStringInPlace", (XtArgVal)TRUE},
79 {"string", (XtArgVal)""}, /* dummy to get it going */
80 {"scrollVertical", XawtextScrollAlways},
81 {"scrollHorizontal", XawtextScrollAlways},
82 {"right", XawChainRight},
84 {"bottom", XawChainTop}
87 static Arg queue_args[] = {
88 {XtNfromVert, (XtArgVal) NULL}, /* must be first */
89 {"editType", XawtextEdit},
90 {"string", (XtArgVal)""}, /* dummy to get it going */
91 {"scrollVertical", XawtextScrollAlways},
92 {"right", XawChainRight},
94 {"bottom", XawChainBottom}
97 static Arg sizepos_args[] = {
98 {"width", (XtArgVal)NULL},
99 {"height", (XtArgVal)NULL},
100 {"x", (XtArgVal)NULL},
101 {"y", (XtArgVal)NULL}
104 XtActionsRec menu_action_table[] = {
105 { "menu-create", menu_create } };
107 /* Types of non-message dialog action */
111 /* Miscellaneous local variables */
113 static int dialog_action;
114 static int tick_stripchart_accumulator = 999999;
115 static int tick_interval = 2;
116 static int maxposset = 0;
117 static int minposset = 0;
118 static int x_adjustment = -1;
119 static int y_adjustment = -1;
120 static Dimension screenwidth, screenheight;
121 static Dimension original_x, original_y;
122 static Dimension maxposx, maxposy;
123 static Dimension minposx, minposy;
124 static Dimension maxwidth, maxheight;
125 static Widget outer_form_widget;
126 static Widget hide_widget;
127 static Widget above_queue_widget;
132 #ifdef STRERROR_FROM_ERRLIST
133 /*************************************************
134 * Provide strerror() for non-ANSI libraries *
135 *************************************************/
137 /* Some old-fashioned systems still around (e.g. SunOS4) don't have strerror()
138 in their libraries, but can provide the same facility by this simple
139 alternative function. */
144 if (n < 0 || n >= sys_nerr) return "unknown error number";
145 return sys_errlist[n];
147 #endif /* STRERROR_FROM_ERRLIST */
151 /*************************************************
152 * Handle attempts to write the log *
153 *************************************************/
155 /* The message gets written to stderr when log_write() is called from a
156 utility. The message always gets '\n' added on the end of it. These calls come
157 from modules such as store.c when things go drastically wrong (e.g. malloc()
158 failing). In normal use they won't get obeyed.
161 selector not relevant when running a utility
162 flags not relevant when running a utility
163 format a printf() format
164 ... arguments for format
170 log_write(unsigned int selector, int flags, const char *format, ...)
173 va_start(ap, format);
174 vfprintf(stderr, format, ap);
175 fprintf(stderr, "\n");
182 /*************************************************
183 * Extract port from address string *
184 *************************************************/
186 /* In the spool file, a host plus port is given as an IP address followed by a
187 dot and a port number. This function decodes this. It is needed by the
188 spool-reading function, and copied here to avoid having to include the whole
189 host.c module. One day the interaction between exim and eximon with regard to
190 included code MUST be tidied up!
193 address points to the string; if there is a port, the '.' in the string
194 is overwritten with zero to terminate the address
196 Returns: 0 if there is no port, else the port number.
200 host_address_extract_port(uschar *address)
202 int skip = -3; /* Skip 3 dots in IPv4 addresses */
204 while (*(++address) != 0)
207 if (ch == ':') skip = 0; /* Skip 0 dots in IPv6 addresses */
208 else if (ch == '.' && skip++ >= 0) break;
210 if (*address == 0) return 0;
212 return Uatoi(address);
218 /*************************************************
220 *************************************************/
222 /* Operations on messages are done in subprocesses; this handler
223 just catches them when they finish. It causes a queue display update
224 unless configured not to. */
226 static void sigchld_handler(int sig)
228 while (waitpid(-1, NULL, WNOHANG) > 0);
229 signal(sig, sigchld_handler);
230 if (action_queue_update) tick_queue_accumulator = 999999;
235 /*************************************************
236 * Callback routines *
237 *************************************************/
240 void updateAction(Widget w, XtPointer client_data, XtPointer call_data)
242 scan_spool_input(TRUE);
244 tick_queue_accumulator = 0;
247 void hideAction(Widget w, XtPointer client_data, XtPointer call_data)
249 actioned_message[0] = 0;
250 dialog_ref_widget = w;
251 dialog_action = da_hide;
252 create_dialog(US"Hide addresses ending with", US"");
255 void unhideAction(Widget w, XtPointer client_data, XtPointer call_data)
257 skip_item *sk = queue_skip;
261 skip_item *next = sk->next;
267 XtDestroyWidget(unhide_widget);
268 unhide_widget = NULL;
270 scan_spool_input(TRUE);
272 tick_queue_accumulator = 0;
275 void quitAction(Widget w, XtPointer client_data, XtPointer call_data)
281 /* Action when the "Size" button is pressed. This is a kludged up mess
282 that I made work after much messing around. Reading the position of the
283 toplevel widget gets the absolute position of the data portion of the window,
284 excluding the window manager's furniture. However, positioning the toplevel
285 widget's window seems to position the top corner of the furniture under the twm
286 window manager, but not under fwvm and others. The two cases are distinguished
287 by the values of x_adjustment and y_adjustment.
289 For twm (adjustment >= 0), one has to fudge the miminizing function to ensure
290 that we go back to exactly the same position as before.
292 For fwvm (adjustment < 0), one has to fudge the "top left hand corner"
293 positioning to ensure that the window manager's furniture gets displayed on the
294 screen. I haven't found a way of discovering the thickness of the furniture, so
295 some screwed-in values are used.
297 This is all ad hoc, developed by floundering around as I haven't found any
298 documentation that tells me what I really should do. */
300 void resizeAction(Widget button, XtPointer client_data, XtPointer call_data)
303 Dimension width, height;
305 Window w = XtWindow(toplevel_widget);
307 /* Get the position and size of the top level widget. */
309 sizepos_args[0].value = (XtArgVal)(&width);
310 sizepos_args[1].value = (XtArgVal)(&height);
311 sizepos_args[2].value = (XtArgVal)(&x);
312 sizepos_args[3].value = (XtArgVal)(&y);
313 XtGetValues(toplevel_widget, sizepos_args, 4);
315 /* Get the position of the widget's window relative to its parent; this
316 gives the thickness of the window manager's furniture. At least it does
317 in twm. For fwvm it gives zero. The size/movement function uses this data.
318 I tried doing this before entering the main loop, but it didn't always
319 work properly with twm. Running it every time seems to be OK. */
321 XGetWindowAttributes(X_display, XtWindow(toplevel_widget), &a);
322 if (a.x != 0) x_adjustment = a.x;
323 if (a.y != 0) y_adjustment = a.y;
325 /* If at maximum size, reduce to minimum and move back to where it was
326 when maximized, if that value is set, allowing for the furniture in cases
327 where the positioning includes the furniture. */
329 if (width == maxwidth && height == maxheight)
336 xs_SetValues(toplevel_widget, 4,
338 "height", min_height,
339 "x", minposx - ((x_adjustment >= 0)? x_adjustment : 0),
340 "y", minposy - ((y_adjustment >= 0)? y_adjustment : 0));
342 xs_SetValues(toplevel_widget, 2,
344 "height", min_height);
347 /* Else always expand to maximum. If currently at minimum size, remember where
348 it was for coming back. If we don't have a value for the thickness of the
349 furniture, the implication is that the coordinates position the application
350 window, so we can't use (0,0) because that loses the furniture. Use screwed in
351 values that seem to work with fvwm. */
358 if (width == min_width && height == min_height)
365 if ((int)(x + maxwidth) > (int)screenwidth ||
366 (int)(y + maxheight + 10) > (int)screenheight)
370 xx = maxposx - ((x_adjustment >= 0)? x_adjustment : 0);
371 yy = maxposy - ((y_adjustment >= 0)? y_adjustment : 0);
375 if ((int)(x + maxwidth) > (int)screenwidth)
376 xx = (x_adjustment >= 0)? 0 : 4;
377 if ((int)(y + maxheight + 10) > (int)screenheight)
378 yy = (y_adjustment >= 0)? 0 : 21;
381 xs_SetValues(toplevel_widget, 4,
388 else xs_SetValues(toplevel_widget, 2,
390 "height", maxheight);
393 /* Ensure the window is at the top */
395 XRaiseWindow(X_display, w);
401 /*************************************************
402 * Handle input from non-msg dialogue *
403 *************************************************/
405 /* The various cases here are: hide domain, (no more yet) */
407 void NonMessageDialogue(uschar *s)
411 switch(dialog_action)
415 /* Create the unhide button if not present */
417 if (unhide_widget == NULL)
419 unhide_args[0].value = (XtArgVal) above_queue_widget;
420 unhide_args[1].value = (XtArgVal) hide_widget;
421 unhide_widget = XtCreateManagedWidget("unhide", commandWidgetClass,
422 outer_form_widget, unhide_args, XtNumber(unhide_args));
423 XtAddCallback(unhide_widget, "callback", unhideAction, NULL);
426 /* Add item to skip queue */
428 sk = (skip_item *)store_malloc(sizeof(skip_item) + Ustrlen(s));
429 sk->next = queue_skip;
431 Ustrcpy(sk->text, s);
432 sk->reveal = time(NULL) + 60 * 60;
433 scan_spool_input(TRUE);
435 tick_queue_accumulator = 0;
442 /*************************************************
444 *************************************************/
446 /* This function is called initially to set up the starting data
447 values; it then sets a timeout so that it continues to be called
450 static void ticker(XtPointer pt, XtIntervalId *i)
452 pipe_item **pp = &pipe_chain;
453 pipe_item *p = pipe_chain;
454 tick_queue_accumulator += tick_interval;
455 tick_stripchart_accumulator += tick_interval;
458 /* If we have passed the queue update time, we must do a full
459 scan of the queue, checking for new arrivals, etc. This will
460 as a by-product set the count of items for use by the stripchart
461 display. On some systems, SIGCHLD signals can get lost at busy times,
462 so just in case, clean up any completed children here. */
464 if (tick_queue_accumulator >= queue_update)
466 scan_spool_input(TRUE);
468 tick_queue_accumulator = 0;
469 if (tick_stripchart_accumulator >= stripchart_update)
470 tick_stripchart_accumulator = 0;
471 while (waitpid(-1, NULL, WNOHANG) > 0);
474 /* Otherwise, if we have exceeded the stripchart interval,
475 do a reduced queue scan that simply provides the count for
478 else if (tick_stripchart_accumulator >= stripchart_update)
480 scan_spool_input(FALSE);
481 tick_stripchart_accumulator = 0;
484 /* Scan any pipes that are set up for listening to delivery processes,
485 and display their output if their windows are still open. */
492 while ((count = read(p->fd, buffer, 254)) > 0)
495 if (p->widget != NULL) text_show(p->widget, buffer);
503 /* If configured, cause display update */
504 if (action_queue_update) tick_queue_accumulator = 999999;
507 else pp = &(p->next);
512 /* Reset the timer for next time */
514 XtAppAddTimeOut(X_appcon, tick_interval * 1000, ticker, 0);
519 /*************************************************
520 * Find Num Lock modifiers *
521 *************************************************/
523 /* Return a string with the modifiers generated by XK_Num_Lock, or return
524 NULL if XK_Num_Lock doesn't generate any modifiers. This is needed because Num
525 Lock isn't always the same modifier on all servers.
529 buf a buffer in which to put the answers (long enough to hold 5)
531 Returns: points to the buffer, or NULL
535 numlock_modifiers(Display *display, uschar *buf)
541 m = XGetModifierMapping(display);
544 printf("Not enough memory\n");
548 /* Look at Mod1 through Mod5, and fill in the buffer as necessary. */
551 for (i = 3; i < 8; i++)
553 for (j = 0; j < m->max_keypermod; j++)
555 if (XKeycodeToKeysym(display, m->modifiermap [i*m->max_keypermod + j], 0)
558 sprintf(CS(buf+Ustrlen(buf)), " Mod%d", i-2);
570 /*************************************************
572 *************************************************/
575 main(int argc, char **argv)
578 struct stat statdata;
579 uschar modbuf[] = " Mod1 Mod2 Mod3 Mod4 Mod5";
581 Widget stripchart_form_widget,
586 /* The exim global message_id needs to get set */
588 message_id_external = message_id_option + 1;
589 message_id = message_id_external + 1;
590 message_subdir[1] = 0;
592 /* Some store needs getting for big_buffer, which is used for
593 constructing file names and things. This call will initialize
594 the store_get() function. */
597 big_buffer = store_get(big_buffer_size, FALSE);
599 /* Set up the version string and date and output them */
602 printf("\nExim Monitor version %s (compiled %s) initializing\n",
603 version_string, version_date);
605 /* Initialize various things from the environment and arguments. */
607 init(argc, USS argv);
609 /* Set up the SIGCHLD handler */
611 signal(SIGCHLD, sigchld_handler);
613 /* Get the buffer for storing the string for the log display. */
615 log_display_buffer = US store_malloc(log_buffer_size);
616 log_display_buffer[0] = 0;
618 /* Initialize the data structures for the stripcharts */
622 /* If log_file contains the empty string, then Exim is running using syslog
623 only, and we can't tail the log. If not, open the log file and position to the
624 end of it. Before doing so, we have to detect whether the log files are
625 datestamped, and if so, sort out the name. The string in log_file already has
626 %s replaced by "main"; if datestamping is occurring, %D or %M will be present.
627 In fact, we don't need to test explicitly - just process the string with
630 Once opened, save the file's inode so that we can detect when the file is
631 switched to another one for non-datestamped files. However, allow the monitor
632 to start up without a log file (can happen if no messages have been sent
635 if (log_file[0] != 0)
637 /* Do *not* use "%s" here, we need the %D datestamp in the log_file to
639 (void)string_format(log_file_open, sizeof(log_file_open), CS log_file, NULL);
640 log_datestamping = string_datestamp_offset >= 0;
642 LOG = fopen(CS log_file_open, "r");
646 printf("*** eximon warning: can't open log file %s - will try "
647 "periodically\n", log_file_open);
651 fseek(LOG, 0, SEEK_END);
652 log_position = ftell(LOG);
653 if (fstat(fileno(LOG), &statdata))
655 perror("log file fstat");
660 log_inode = statdata.st_ino;
665 printf("*** eximon warning: no log file available to tail\n");
668 /* Now initialize the X world and create the top-level widget */
670 toplevel_widget = XtAppInitialize(&X_appcon, "Eximon", NULL, 0, &argc, argv,
671 fallback_resources, NULL, 0);
672 X_display = XtDisplay(toplevel_widget);
673 xs_SetValues(toplevel_widget, 4,
674 "title", window_title,
675 "iconName", window_title,
676 "minWidth", min_width,
677 "minHeight", min_height);
680 /* Create the action for setting up the menu in the queue display
681 window, and register the action for positioning the menu. */
683 XtAppAddActions(X_appcon, menu_action_table, 1);
684 XawSimpleMenuAddGlobalActions(X_appcon);
686 /* Set up translation tables for the text widgets we use. We don't
687 want all the generality of editing, etc. that the defaults provide.
688 This cannot be done before initializing X - the parser complains
689 about unknown events, modifiers, etc. in an unhelpful way... The
690 queue text widget has a different table which includes the button
691 for popping up the menu. Note that the order of things in these
692 tables is significant. Shift<thing> must come before <thing> as
693 otherwise it isn't noticed. */
696 <FocusIn>: display-caret(on)\n\
697 <FocusOut>: display-caret(off)\n\
700 /* The translation manager sets up passive grabs for the menu popups as a
701 result of MenuPopup(), but the grabs match only the exact modifiers listed,
702 hence combinations with and without caps-lock and num-lock must be given,
703 rather than just one "Shift<Btn1Down>" (or whatever menu_event is set to),
704 despite the fact that that notation (without a leading !) should ignore the
705 state of other modifiers. Thanks to Kevin Ryde for this information, and for
706 the function above that discovers which modifier is Num Lock, because it turns
707 out that it varies from server to server. */
709 sprintf(CS big_buffer,
710 "!%s: menu-create() XawPositionSimpleMenu(menu) MenuPopup(menu)\n\
711 !Lock %s: menu-create() XawPositionSimpleMenu(menu) MenuPopup(menu)\n\
712 ", menu_event, menu_event);
714 numlock = numlock_modifiers(X_display, modbuf); /* Get Num Lock modifier(s) */
716 if (numlock != NULL) sprintf(CS big_buffer + Ustrlen(big_buffer),
717 "!%s %s: menu-create() XawPositionSimpleMenu(menu) MenuPopup(menu)\n\
718 !Lock %s %s: menu-create() XawPositionSimpleMenu(menu) MenuPopup(menu)\n\
719 ", numlock, menu_event, numlock, menu_event);
721 sprintf(CS big_buffer + Ustrlen(big_buffer),
722 "<Btn1Down>: select-start()\n\
723 <Btn1Motion>: extend-adjust()\n\
724 <Btn1Up>: extend-end(PRIMARY,CUT_BUFFER0)\n\
725 <Btn3Down>: extend-start()\n\
726 <Btn3Motion>: extend-adjust()\n\
727 <Btn3Up>: extend-end(PRIMARY,CUT_BUFFER0)\n\
728 <Key>Up: scroll-one-line-down()\n\
729 <Key>Down: scroll-one-line-up()\n\
730 Ctrl<Key>R: search(backward)\n\
731 Ctrl<Key>S: search(forward)\n\
734 queue_trans = XtParseTranslationTable(CS big_buffer);
736 text_trans = XtParseTranslationTable(
737 "<Btn1Down>: select-start()\n\
738 <Btn1Motion>: extend-adjust()\n\
739 <Btn1Up>: extend-end(PRIMARY,CUT_BUFFER0)\n\
740 <Btn3Down>: extend-start()\n\
741 <Btn3Motion>: extend-adjust()\n\
742 <Btn3Up>: extend-end(PRIMARY,CUT_BUFFER0)\n\
743 <Key>Up: scroll-one-line-down()\n\
744 <Key>Down: scroll-one-line-up()\n\
745 Ctrl<Key>R: search(backward)\n\
746 Ctrl<Key>S: search(forward)\n\
750 /* Create a toplevel form widget to hold all the other things */
752 outer_form_widget = XtCreateManagedWidget("form", formWidgetClass,
753 toplevel_widget, NULL, 0);
755 /* Now create an inner form to hold the stripcharts */
757 stripchart_form_widget = XtCreateManagedWidget("form", formWidgetClass,
758 outer_form_widget, NULL, 0);
759 xs_SetValues(stripchart_form_widget, 5,
760 "defaultDistance", 8,
761 "left", XawChainLeft,
762 "right", XawChainLeft,
764 "bottom", XawChainTop);
766 /* Create the queue count stripchart and its label. */
768 create_stripchart(stripchart_form_widget, queue_stripchart_name);
770 /* If configured, create the size monitoring stripchart, but
771 only if the OS supports statfs(). */
773 if (size_stripchart != NULL)
776 if (size_stripchart_name == NULL)
778 size_stripchart_name = size_stripchart + Ustrlen(size_stripchart) - 1;
779 while (size_stripchart_name > size_stripchart &&
780 *size_stripchart_name == '/') size_stripchart_name--;
781 while (size_stripchart_name > size_stripchart &&
782 *size_stripchart_name != '/') size_stripchart_name--;
784 create_stripchart(stripchart_form_widget, size_stripchart_name);
786 printf("Can't create size stripchart: statfs() function not available\n");
790 /* Now create the configured input/output stripcharts; note
791 the total number includes the queue stripchart. */
793 for (i = stripchart_varstart; i < stripchart_number; i++)
794 create_stripchart(stripchart_form_widget, stripchart_title[i]);
796 /* Next in vertical order come the Resize & Quit buttons */
798 quit_args[0].value = (XtArgVal) stripchart_form_widget;
799 quit_widget = XtCreateManagedWidget("quit", commandWidgetClass,
800 outer_form_widget, quit_args, XtNumber(quit_args));
801 XtAddCallback(quit_widget, "callback", quitAction, NULL);
803 resize_args[0].value = (XtArgVal) stripchart_form_widget;
804 resize_args[1].value = (XtArgVal) quit_widget;
805 resize_widget = XtCreateManagedWidget("resize", commandWidgetClass,
806 outer_form_widget, resize_args, XtNumber(resize_args));
807 XtAddCallback(resize_widget, "callback", resizeAction, NULL);
809 /* In the absence of log tailing, the quit widget is the one above the
812 above_queue_widget = quit_widget;
814 /* Create an Ascii text widget for the log tail display if we are tailing a
815 log. Skip it if not. */
817 if (log_file[0] != 0)
819 log_args[0].value = (XtArgVal) quit_widget;
820 log_widget = XtCreateManagedWidget("log", asciiTextWidgetClass,
821 outer_form_widget, log_args, XtNumber(log_args));
822 XawTextDisplayCaret(log_widget, TRUE);
823 xs_SetValues(log_widget, 6,
824 "editType", XawtextEdit,
825 "translations", text_trans,
826 "string", log_display_buffer,
827 "length", log_buffer_size,
831 if (log_font != NULL)
833 XFontStruct *f = XLoadQueryFont(X_display, CS log_font);
834 if (f != NULL) xs_SetValues(log_widget, 1, "font", f);
837 above_queue_widget = log_widget;
840 /* The update button */
842 update_args[0].value = (XtArgVal) above_queue_widget;
843 update_widget = XtCreateManagedWidget("update", commandWidgetClass,
844 outer_form_widget, update_args, XtNumber(update_args));
845 XtAddCallback(update_widget, "callback", updateAction, NULL);
847 /* The hide button */
849 hide_args[0].value = (XtArgVal) above_queue_widget;
850 hide_args[1].value = (XtArgVal) update_widget;
851 hide_widget = XtCreateManagedWidget("hide", commandWidgetClass,
852 outer_form_widget, hide_args, XtNumber(hide_args));
853 XtAddCallback(hide_widget, "callback", hideAction, NULL);
855 /* Create an Ascii text widget for the queue display. */
857 queue_args[0].value = (XtArgVal) update_widget;
858 queue_widget = XtCreateManagedWidget("queue", asciiTextWidgetClass,
859 outer_form_widget, queue_args, XtNumber(queue_args));
860 XawTextDisplayCaret(queue_widget, TRUE);
862 xs_SetValues(queue_widget, 4,
863 "editType", XawtextEdit,
864 "height", queue_depth,
865 "width", queue_width,
866 "translations", queue_trans);
868 if (queue_font != NULL)
870 XFontStruct *f = XLoadQueryFont(X_display, CS queue_font);
871 if (f != NULL) xs_SetValues(queue_widget, 1, "font", f);
874 /* Call the ticker function to get the initial data set up. It
875 arranges to have itself recalled every 2 seconds. */
879 /* Everything is now set up; this flag is used by the regerror
880 function and also by the queue reader. */
882 eximon_initialized = TRUE;
883 printf("\nExim Monitor running\n");
885 /* Realize the toplevel and thereby get things displayed */
887 XtRealizeWidget(toplevel_widget);
889 /* Find out the size of the initial window, and set that as its
890 maximum. While we are at it, get the initial position. */
892 sizepos_args[0].value = (XtArgVal)(&maxwidth);
893 sizepos_args[1].value = (XtArgVal)(&maxheight);
894 sizepos_args[2].value = (XtArgVal)(&original_x);
895 sizepos_args[3].value = (XtArgVal)(&original_y);
896 XtGetValues(toplevel_widget, sizepos_args, 4);
898 xs_SetValues(toplevel_widget, 2,
899 "maxWidth", maxwidth,
900 "maxHeight", maxheight);
902 /* Set up the size of the screen */
904 screenwidth = XDisplayWidth(X_display, 0);
905 screenheight= XDisplayHeight(X_display,0);
907 /* Register the action table */
909 XtAppAddActions(X_appcon, actionTable, actionTableSize);
911 /* Reduce the window to the small size if this is wanted */
913 if (start_small) resizeAction(NULL, NULL, NULL);
915 /* Enter the application loop which handles things from here
916 onwards. The return statement is never obeyed, but is needed to
917 keep pedantic ANSI compilers happy. */
919 XtAppMainLoop(X_appcon);
924 /* End of em_main.c */