Remove support for antiquated ncurses libraries. Assume we have at least ncurses...

[apps/madmutt.git] / lib-ui / curs_lib.c

diff --git a/lib-ui/curs_lib.c b/lib-ui/curs_lib.c
index 7880f51..c50c18d 100644 (file)
--- a/lib-ui/curs_lib.c
+++ b/lib-ui/curs_lib.c
@@ -14,6 +14,11 @@
 #include <lib-lib/lib-lib.h>
 
 #include <termios.h>
+#ifdef HAVE_SYS_IOCTL_H
+#  include <sys/ioctl.h>
+#elif defined(HAVE_IOCTL_H)
+#  include <ioctl.h>
+#endif
 #include <langinfo.h>
 
 #include <lib-lua/lib-lua.h>
@@ -438,7 +443,6 @@ void mutt_flushinp (void)
   flushinp ();
 }
 
-#if defined(HAVE_CURS_SET)
 /* The argument can take 3 values:
  * -1: restore the value of the last call
  *  0: make the cursor invisible
@@ -458,7 +462,6 @@ void mutt_curs_set (int cursor)
       curs_set (2);             /* cvvis */
   }
 }
-#endif
 
 int mutt_multi_choice (const char *prompt, const char *letters)
 {
@@ -668,3 +671,36 @@ void mutt_paddstr (int n, const char *s)
     addch (' ');
 }
 
+/* this routine should be called after receiving SIGWINCH */
+void mutt_resize_screen (void)
+{
+  char *cp;
+  int fd;
+  struct winsize w;
+
+  int rows, cols;
+
+  rows = -1;
+  cols = -1;
+  if ((fd = open ("/dev/tty", O_RDONLY)) != -1) {
+    if (ioctl (fd, TIOCGWINSZ, &w) != -1) {
+      rows = w.ws_row;
+      cols = w.ws_col;
+    }
+    close (fd);
+  }
+  if (rows <= 0) {
+    if ((cp = getenv ("LINES")) != NULL) {
+      rows = atoi (cp);
+    }
+    else
+      rows = 24;
+  }
+  if (cols <= 0) {
+    if ((cp = getenv ("COLUMNS")) != NULL)
+      cols = atoi (cp);
+    else
+      cols = 80;
+  }
+  resizeterm (rows, cols);
+}