diff options
author | Thomas Roessler <roessler@does-not-exist.org> | 1998-06-08 09:16:03 +0000 |
---|---|---|
committer | Thomas Roessler <roessler@does-not-exist.org> | 1998-06-08 09:16:03 +0000 |
commit | 1a5381e07e97fe482c2b3a7c75f99938f0b105d4 (patch) | |
tree | b4fa4088bbbf5fc9217ee6f87ab60034175e6899 /resize.c |
Initial revision
Diffstat (limited to 'resize.c')
-rw-r--r-- | resize.c | 77 |
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 +} |