FvwmEvent: don't special-case monitor extended events

The monitor_* events used to be special-cased in that there would be an
attempt to pass arguments to calling functions.

Don't do this any longer, and treat these events the same as any other
without a window context.

Fixes #604

doc/FvwmEvent.adoc

@@ -170,17 +170,7 @@ needed.
 The monitor_* events do not operate in a window context (as there isn't
 one), but react to when a monitor is plugged in (enabled), unplugged
 (disabled), focused (focus) or changed (resized/rotated, etc., which
-will only be true if the monitor is already active). In all cases, the
-monitor name is is passed through to the command, hence the following
-example prints out the changed monitor's name, and width/height values:
-+
-....
-	DestroyFunc MonitorExample
-	AddToFunc   MonitorExample
-	+ I Echo "Monitor $0 changed ($[monitor.$0.width] x $[monitor.$0.height])
-
-	*FvwmEvent: monitor_changed MonitorExample
-....
+will only be true if the monitor is already active).
 +
 The echo event is generated whenever Fvwm receives an Echo command.
 +

modules/FvwmEvent/FvwmEvent.c

@@ -95,7 +95,6 @@ static Bool audio_compat = False;
 static char *audio_play_dir = NULL;
 
 #define ARG_NO_WINID 1024  /* just a large number */
-#define ARG_EXPECTS_CHAR 1025
 
 #define EVENT_ENTRY(name,action_arg) { name, action_arg, {NULL} }
 static event_entry message_event_table[] =
@@ -139,11 +138,11 @@ static event_entry extended_message_event_table[] =
 	EVENT_ENTRY( "enter_window", 0 ),
 	EVENT_ENTRY( "leave_window", 0 ),
 	EVENT_ENTRY( "property_change", 0),
-	EVENT_ENTRY( "monitor_enabled", 0 | ARG_EXPECTS_CHAR),
-	EVENT_ENTRY( "monitor_disabled", 0 | ARG_EXPECTS_CHAR),
-	EVENT_ENTRY( "monitor_changed", 0 | ARG_EXPECTS_CHAR),
-	EVENT_ENTRY( "monitor_focus", 0 | ARG_EXPECTS_CHAR),
-	EVENT_ENTRY( "echo", 0 | ARG_EXPECTS_CHAR),
+	EVENT_ENTRY( "monitor_enabled", 0 | ARG_NO_WINID),
+	EVENT_ENTRY( "monitor_disabled", 0 | ARG_NO_WINID),
+	EVENT_ENTRY( "monitor_changed", 0 | ARG_NO_WINID),
+	EVENT_ENTRY( "monitor_focus", 0 | ARG_NO_WINID),
+	EVENT_ENTRY( "echo", 0),
 	EVENT_ENTRY( "reply", 0), /* FvwmEvent will never receive MX_REPLY */
 	EVENT_ENTRY(NULL,0)
 };
@@ -469,11 +468,6 @@ void execute_event(event_entry *event_table, short event, unsigned long *body)
 						action,	body[action_arg]);
 				}
 			}
-			/* monitor_* events. */
-			else if (action_arg != -1 && (action_arg & ARG_EXPECTS_CHAR)) {
-				sprintf(buf, "%s %s %s", cmd_line, action,
-						(char *)(&body[3]));
-			}
 			else
 			{
 				sprintf(buf,"%s %s", cmd_line, action);