- revert r16191; re-add resize() applet.
authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Wed, 25 Oct 2006 15:07:56 +0000 (15:07 -0000)
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Wed, 25 Oct 2006 15:07:56 +0000 (15:07 -0000)
   text    data     bss     dec     hex filename
    288       0       0     288     120 console-tools/_resize.o.gcc-2.95
    258       0       0     258     102 console-tools/_resize.o.gcc-3.3
    252       0       0     252      fc console-tools/_resize.o.gcc-3.4

console-tools/Config.in
console-tools/Kbuild
console-tools/resize.c [new file with mode: 0644]
include/applets.h
include/usage.h

index f1dbac5317f148ff20716540b816a94efe0d530e..4a5710de6fe075de5a09d8eaa4e747c7d5f7b813 100644 (file)
@@ -58,6 +58,23 @@ config RESET
          This program is used to reset the terminal screen, if it
          gets messed up.
 
+config RESIZE
+       bool "resize"
+       default n
+       help
+         This program is used to (re)set the width and height of your current
+         terminal.
+
+config FEATURE_RESIZE_PRINT
+       bool "print environment variables"
+       default n
+       depends on RESIZE
+       help
+         Prints the newly set size (number of columns and rows) of
+         the terminal.
+         E.g.:
+         COLUMNS=80;LINES=44;export COLUMNS LINES;
+
 config SETCONSOLE
        bool "setconsole"
        default n
index 8e377c559e8af4b671ea968b8b1574e6c68f6d61..a55bc087cbfeb0790a7e526721a7a3541dfebf21 100644 (file)
@@ -14,5 +14,6 @@ lib-$(CONFIG_LOADFONT)                += loadfont.o
 lib-$(CONFIG_LOADKMAP)         += loadkmap.o
 lib-$(CONFIG_OPENVT)           += openvt.o
 lib-$(CONFIG_RESET)            += reset.o
+lib-$(CONFIG_RESIZE)           += resize.o
 lib-$(CONFIG_SETKEYCODES)      += setkeycodes.o
 lib-$(CONFIG_SETLOGCONS)       += setlogcons.o
diff --git a/console-tools/resize.c b/console-tools/resize.c
new file mode 100644 (file)
index 0000000..c405629
--- /dev/null
@@ -0,0 +1,38 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * resize - set terminal width and height.
+ *
+ * Copyright 2006 Bernhard Fischer
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+/* no options, no getopt */
+#include "busybox.h"
+
+int resize_main(int argc, char **argv)
+{
+       struct termios old, new;
+       struct winsize w = {0,0,0,0};
+       int ret;
+
+       tcgetattr(STDOUT_FILENO, &old); /* fiddle echo */
+       new = old;
+       new.c_cflag |= (CLOCAL | CREAD);
+       new.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
+       tcsetattr(STDOUT_FILENO, TCSANOW, &new);
+       /* save_cursor_pos 7
+        * scroll_whole_screen [r
+        * put_cursor_waaaay_off [$x;$yH
+        * get_cursor_pos [6n
+        * restore_cursor_pos 8
+        */
+       printf("\0337\033[r\033[999;999H\033[6n");
+       scanf("\033[%hu;%huR", &w.ws_row, &w.ws_col);
+       ret = ioctl(STDOUT_FILENO, TIOCSWINSZ, &w);
+       printf("\0338");
+       tcsetattr(STDOUT_FILENO, TCSANOW, &old);
+       if (ENABLE_FEATURE_RESIZE_PRINT)
+               printf("COLUMNS=%d;LINES=%d;export COLUMNS LINES;\n",
+                       w.ws_col, w.ws_row);
+       return ret;
+}
index 14f6156af86af9812716aee2e87981569316eeb4..0d0f5648352e6dd837c562d16a6cd2ea0d9ae526 100644 (file)
@@ -237,6 +237,7 @@ USE_REALPATH(APPLET(realpath, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_HALT(APPLET_ODDNAME(reboot, halt, _BB_DIR_SBIN, _BB_SUID_NEVER, reboot))
 USE_RENICE(APPLET(renice, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_RESET(APPLET(reset, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_RESIZE(APPLET(resize, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_RM(APPLET(rm, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_RMDIR(APPLET(rmdir, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_RMMOD(APPLET(rmmod, _BB_DIR_SBIN, _BB_SUID_NEVER))
index 03e655a1e690b5ce4334801af11aa8e57db5d7a2..ab0c1efedc15450222bd07092cc760af455fdc40 100644 (file)
@@ -2473,6 +2473,11 @@ USE_FEATURE_MDEV_CONFIG( \
 #define reset_full_usage \
        "Resets the screen."
 
+#define resize_trivial_usage \
+       ""
+#define resize_full_usage \
+       "Resizes the screen."
+
 #define rm_trivial_usage \
        "[OPTION]... FILE..."
 #define rm_full_usage \