Use a separate pad for input

wgetch calls a wrefresh on regular windows. I imagine this is for
echo(), which we do not use. Instead, we make a pad and only ever
wgetch on it.

This also means that the various nodelay settings on other windows are
unnecessary.

global.c

@@ -119,6 +119,12 @@ void owl_global_init(owl_global *g) {
   owl_list_create(&(g->psa_list));
   g->timerlist = NULL;
   g->interrupted = FALSE;
+
+  /* set up a pad for input */
+  g->input_pad = newpad(1, 1);
+  nodelay(g->input_pad, 1);
+  keypad(g->input_pad, 1);
+  meta(g->input_pad, 1);
 }
 
 /* Called once perl has been initialized */
@@ -178,11 +184,7 @@ void _owl_global_setup_windows(owl_global *g) {
   idlok(owl_global_get_curs_sepwin(g), FALSE);
   idlok(owl_global_get_curs_msgwin(g), FALSE);
 
-  nodelay(owl_global_get_curs_typwin(g), 1);
-  keypad(owl_global_get_curs_typwin(g), TRUE);
   wmove(owl_global_get_curs_typwin(g), 0, 0);
-
-  meta(owl_global_get_curs_typwin(g), TRUE);
 }
 
 owl_context *owl_global_get_context(owl_global *g) {

owl.c

@@ -310,12 +310,9 @@ int owl_process_messages(owl_ps_action *d, void *p)
 void owl_process_input(const owl_io_dispatch *d, void *data)
 {
   owl_input j;
-  WINDOW *typwin;
-
-  typwin = owl_global_get_curs_typwin(&g);
 
   while (1) {
-    j.ch = wgetch(typwin);
+    j.ch = wgetch(g.input_pad);
     if (j.ch == ERR) return;
 
     j.uch = '\0';
@@ -338,7 +335,7 @@ void owl_process_input(const owl_io_dispatch *d, void *data)
       else bytes = 1;
 
       for (i = 1; i < bytes; i++) {
-        int tmp =  wgetch(typwin);
+        int tmp = wgetch(g.input_pad);
         /* If what we got was not a byte, or not a continuation byte */
         if (tmp > 0xff || !(tmp & 0x80 && ~tmp & 0x40)) {
           /* ill-formed UTF-8 code unit subsequence, put back the

owl.h

@@ -564,6 +564,7 @@ typedef struct _owl_global {
   int curmsg_vert_offset;
   owl_view current_view;
   owl_messagelist msglist;
+  WINDOW *input_pad;
   PANEL *recpan, *seppan, *msgpan, *typpan;
   int needrefresh;
   int rightshift;

popwin.c

@@ -27,10 +27,6 @@ int owl_popwin_up(owl_popwin *pw)
   pw->borderpanel = new_panel(borderwin);
   popwin = newwin(pw->lines-2, pw->cols-2, startline+1, startcol+1);
   pw->poppanel = new_panel(popwin);
-
-  meta(popwin,TRUE);
-  nodelay(popwin, 1);
-  keypad(popwin, TRUE);
 
   werase(popwin);
   werase(borderwin);