Initial revision

1 files changed, 77 insertions, 0 deletions

diff --git a/resize.c b/resize.c
new file mode 100644
index 00000000..ccbcb9da
--- /dev/null
+++ b/resize.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 1996-8 Michael R. Elkins <me@cs.hmc.edu>
+ * 
+ *     This program is free software; you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation; either version 2 of the License, or
+ *     (at your option) any later version.
+ * 
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ * 
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program; if not, write to the Free Software
+ *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */ 
+
+#include "mutt.h"
+#include "mutt_curses.h"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+/* this routine should be called after receiving SIGWINCH */
+void mutt_resize_screen (void)
+{
+  char *cp;
+  int fd;
+  struct winsize w;
+#ifdef HAVE_RESIZETERM
+  int SLtt_Screen_Rows, SLtt_Screen_Cols;
+#endif
+
+  SLtt_Screen_Rows = -1;
+  SLtt_Screen_Cols = -1;
+  if ((fd = open ("/dev/tty", O_RDONLY)) != -1)
+  {
+    if (ioctl (fd, TIOCGWINSZ, &w) != -1)
+    {
+      SLtt_Screen_Rows = w.ws_row;
+      SLtt_Screen_Cols = w.ws_col;
+    }
+    close (fd);
+  }
+  if (SLtt_Screen_Rows <= 0)
+  {
+    if ((cp = getenv ("LINES")) != NULL)
+    {
+      SLtt_Screen_Rows = atoi (cp);
+    }
+    else
+      SLtt_Screen_Rows = 24;
+  }
+  if (SLtt_Screen_Cols <= 0)
+  {
+    if ((cp = getenv ("COLUMNS")) != NULL)
+      SLtt_Screen_Cols = atoi (cp);
+    else
+      SLtt_Screen_Cols = 80;
+  }
+#ifdef USE_SLANG_CURSES
+  delwin (stdscr);
+  SLsmg_reset_smg ();
+  SLsmg_init_smg ();
+  stdscr = newwin (0, 0, 0, 0);
+  keypad (stdscr, TRUE);
+#else
+  resizeterm (SLtt_Screen_Rows, SLtt_Screen_Cols);
+#endif
+}