Removed FEAT_WINDOWS

Support for multiple windows and status line.

config/config.h.in

@@ -176,7 +176,6 @@
 #define FEAT_WAK
 #define FEAT_WILDIGN
 #define FEAT_WILDMENU
-#define FEAT_WINDOWS
 #define FEAT_WRITEBACK
 #define FEAT_HUGE
 #define FEAT_BIG

src/nvim/buffer.c

@@ -601,14 +601,12 @@ static void clear_wininfo(buf_T *buf)
  */
 void goto_buffer(exarg_T *eap, int start, int dir, int count)
 {
-# if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION)
-  buf_T       *old_curbuf = curbuf;
-
-  swap_exists_action = SEA_DIALOG;
-# endif
   (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO,
       start, dir, count, eap->forceit);
-# if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION)
+#ifdef HAS_SWAP_EXISTS_ACTION
+  buf_T *old_curbuf = curbuf;
+  swap_exists_action = SEA_DIALOG;
+
   if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') {
     cleanup_T cs;
 
@@ -624,9 +622,10 @@ void goto_buffer(exarg_T *eap, int start, int dir, int count)
     /* Restore the error/interrupt/exception state if not discarded by a
      * new aborting error, interrupt, or uncaught exception. */
     leave_cleanup(&cs);
-  } else
+  } else {
     handle_swap_exists(old_curbuf);
-# endif
+  }
+#endif
 }
 
 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO)

src/nvim/charset.c

@@ -1838,9 +1838,7 @@ int hex2nr(int c)
   return c - '0';
 }
 
-#if defined(FEAT_TERMRESPONSE) \
-  || (defined(FEAT_GUI_GTK) && defined(FEAT_WINDOWS)) \
-  || defined(PROTO)
+#if defined(FEAT_TERMRESPONSE) || defined(FEAT_GUI_GTK) || defined(PROTO)
 
 /// Convert two hex characters to a byte.
 /// Return -1 if one of the characters is not hex.
@@ -1857,8 +1855,8 @@ int hexhex2nr(char_u *p)
   return (hex2nr(p[0]) << 4) + hex2nr(p[1]);
 }
 
-#endif // if defined(FEAT_TERMRESPONSE) || (defined(FEAT_GUI_GTK)
-       //    && defined(FEAT_WINDOWS)) || defined(PROTO)
+#endif // if defined(FEAT_TERMRESPONSE) || defined(FEAT_GUI_GTK)
+       // || defined(PROTO)
 
 /// Return TRUE if "str" starts with a backslash that should be removed.
 /// For WIN32 this is only done when the character after the

src/nvim/globals.h

@@ -395,7 +395,6 @@ EXTERN int updating_screen INIT(= FALSE);
  * All windows are linked in a list. firstwin points to the first entry,
  * lastwin to the last entry (can be the same as firstwin) and curwin to the
  * currently active window.
- * Without the FEAT_WINDOWS they are all equal.
  */
 EXTERN win_T    *firstwin;              /* first window */
 EXTERN win_T    *lastwin;               /* last window */

src/nvim/misc2.c

@@ -363,9 +363,7 @@ int get_real_state(void)
 }
 
 #if defined(FEAT_SESSION) || defined(MSWIN) || defined(FEAT_GUI_MAC) \
-  || ((defined(FEAT_GUI_GTK)) \
-  && ( defined(FEAT_WINDOWS) || defined(FEAT_DND)) ) \
-  || defined(PROTO)
+  || defined(FEAT_GUI_GTK) || defined(PROTO)
 /*
  * Change to a file's directory.
  * Caller must call shorten_fnames()!

src/nvim/path.c

@@ -165,8 +165,6 @@ int vim_ispathlistsep(int c)
 #endif
 }
 
-#if defined(FEAT_GUI_TABLINE) || defined(FEAT_WINDOWS) \
-  || defined(FEAT_EVAL) || defined(PROTO)
 /*
  * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
  * It's done in-place.
@@ -199,7 +197,6 @@ void shorten_dir(char_u *str)
     }
   }
 }
-#endif
 
 /*
  * Return TRUE if the directory of "fname" exists, FALSE otherwise.

src/nvim/screen.c

@@ -2301,7 +2301,7 @@ win_line (
   int change_end = -1;                  /* last col of changed area */
   colnr_T trailcol = MAXCOL;            /* start of trailing spaces */
   int need_showbreak = FALSE;
-#if defined(FEAT_SIGNS) || (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \
+#if defined(FEAT_SIGNS) || defined(FEAT_QUICKFIX) \
   || defined(FEAT_SYN_HL) || defined(FEAT_DIFF)
 # define LINE_ATTR
   int line_attr = 0;                    /* attribute for the whole line */

src/nvim/term.c

@@ -3137,7 +3137,7 @@ static void switch_to_8bit(void)
 static linenr_T orig_topline = 0;
 static int orig_topfill = 0;
 #endif
-#if (defined(FEAT_WINDOWS) && defined(CHECK_DOUBLE_CLICK)) || defined(PROTO)
+#if defined(CHECK_DOUBLE_CLICK) || defined(PROTO)
 /*
  * Checking for double clicks ourselves.
  * "orig_topline" is used to avoid detecting a double-click when the window

src/nvim/window.c

@@ -2782,8 +2782,7 @@ void win_alloc_aucmd_win(void)
 /*
  * Allocate the first window or the first window in a new tab page.
  * When "oldwin" is NULL create an empty buffer for it.
- * When "oldwin" is not NULL copy info from it to the new window (only with
- * FEAT_WINDOWS).
+ * When "oldwin" is not NULL copy info from it to the new window.
  * Return FAIL when something goes wrong (out of memory).
  */
 static int win_alloc_firstwin(win_T *oldwin)