diff options
| -rw-r--r-- | console-tools/Config.in | 17 | ||||
| -rw-r--r-- | console-tools/Kbuild | 1 | ||||
| -rw-r--r-- | console-tools/resize.c | 38 | ||||
| -rw-r--r-- | include/applets.h | 1 | ||||
| -rw-r--r-- | include/usage.h | 5 |
5 files changed, 62 insertions, 0 deletions
diff --git a/console-tools/Config.in b/console-tools/Config.in index f1dbac531..4a5710de6 100644 --- a/console-tools/Config.in +++ b/console-tools/Config.in @@ -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 diff --git a/console-tools/Kbuild b/console-tools/Kbuild index 8e377c559..a55bc087c 100644 --- a/console-tools/Kbuild +++ b/console-tools/Kbuild @@ -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-$(CONFIG_SETLOGCONS) += setlogcons.o diff --git a/console-tools/resize.c b/console-tools/resize.c new file mode 100644 index 000000000..c405629aa --- /dev/null +++ b/console-tools/resize.c @@ -0,0 +1,38 @@ +/* vi: set sw=4 ts=4: */ +/* + * resize - set terminal width and height. + * + * Copyright 2006 Bernhard Fischer + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ +/* no options, no getopt */ +#include "busybox.h" + +int resize_main(int argc, char **argv) +{ + struct termios old, new; + struct winsize w = {0,0,0,0}; + int ret; + + tcgetattr(STDOUT_FILENO, &old); /* fiddle echo */ + new = old; + new.c_cflag |= (CLOCAL | CREAD); + new.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); + tcsetattr(STDOUT_FILENO, TCSANOW, &new); + /* save_cursor_pos 7 + * scroll_whole_screen [r + * put_cursor_waaaay_off [$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; +} diff --git a/include/applets.h b/include/applets.h index 14f6156af..0d0f56483 100644 --- a/include/applets.h +++ b/include/applets.h @@ -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)) diff --git a/include/usage.h b/include/usage.h index 03e655a1e..ab0c1efed 100644 --- a/include/usage.h +++ b/include/usage.h @@ -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 \ |