curses update

Miscellaenous stuff either groundwork for or noticed while updating
curses status.  The status changes themselves need some more testing.
One or two of the comments refer to that revised status which hasn't
been checked in yet.

win/curses/cursmain.c

@@ -210,13 +210,12 @@ curses_askname()
 void
 curses_get_nh_event()
 {
+    boolean do_reset = FALSE;
+
 #ifdef PDCURSES
     if (is_termresized()) {
         resize_term(0, 0);
-        getmaxyx(base_term, term_rows, term_cols);
-        curses_create_main_windows();
-        curses_last_messages();
-        doredraw();
+        do_reset = TRUE;
     }
 #endif
 #ifdef NCURSES_VERSION          /* Is there a better way to detect ncurses? */
@@ -224,14 +223,16 @@ curses_get_nh_event()
         if (!isendwin()) {
             endwin();
         }
-
         refresh();
-        getmaxyx(base_term, term_rows, term_cols);
-        curses_create_main_windows();
-        curses_last_messages();
-        doredraw();
+        do_reset = TRUE;
     }
 #endif
+
+    if (do_reset) {
+        getmaxyx(base_term, term_rows, term_cols);
+        /* status_initialize, create_main_windows, last_messages, doredraw */
+        curs_reset_windows(TRUE, TRUE);
+    }
 }
 
 /* Exits the window system.  This should dismiss all windows,
@@ -526,9 +527,7 @@ curses_update_inventory(void)
        changed the option. */
     if (!iflags.perm_invent) {
         if (curses_get_nhwin(INV_WIN)) {
-            curses_create_main_windows();
-            curses_last_messages();
-            doredraw();
+            curs_reset_windows(TRUE, FALSE);
         }
         return;
     }
@@ -850,14 +849,38 @@ preference_update(preference)
 void
 curses_preference_update(const char *pref)
 {
-    if (!strcmp(pref, "hilite_status") || !strcmp(pref, "align_status"))
-        status_initialize(REASSESS_ONLY);
+    boolean redo_main = FALSE, redo_status = FALSE;
 
     if (!strcmp(pref, "align_status")
-        || !strcmp(pref, "align_message")) {
+        || !strcmp(pref, "statuslines")
+        || !strcmp(pref, "windowborders"))
+        redo_main = redo_status = TRUE;
+    else if (!strcmp(pref, "hilite_status"))
+        redo_status = TRUE;
+    else if (!strcmp(pref, "align_message"))
+        redo_main = TRUE;
+
+    if (redo_main || redo_status)
+        curs_reset_windows(redo_main, redo_status);
+}
+
+void
+curs_reset_windows(boolean redo_main, boolean redo_status)
+{
+    boolean need_redraw = FALSE;
+
+    if (redo_status) {
+        status_initialize(REASSESS_ONLY);
+        need_redraw = TRUE;
+    }
+    if (redo_main) {
         curses_create_main_windows();
+        need_redraw = TRUE;
+    }
+    if (need_redraw) {
         curses_last_messages();
         doredraw();
     }
 }
 
+/*cursmain.c*/