- add new applet resize.
authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Fri, 22 Sep 2006 08:18:41 +0000 (08:18 -0000)
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Fri, 22 Sep 2006 08:18:41 +0000 (08:18 -0000)
   text    data     bss     dec     hex filename
    185       0       0     185      b9 console-tools/resize.o
    255       0       0     255      ff console-tools/resize.o.print

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

index ec2273c354ad090441b1ff07581a7cda610367e4..27b14a865037ebe142f80de4d87165c1e6b576b6 100644 (file)
@@ -58,6 +58,23 @@ config CONFIG_RESET
          This program is used to reset the terminal screen, if it
          gets messed up.
 
+config CONFIG_APP_RESIZE
+       bool "resize"
+       default n
+       help
+         This program is used to (re)set the width and height of your current
+         terminal.
+
+config CONFIG_FEATURE_RESIZE_PRINT
+       bool "print environment variables"
+       default n
+       depends on CONFIG_APP_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 CONFIG_SETCONSOLE
        bool "setconsole"
        default n
index 437bcd0eca695a7af1ebecd2fba6fa498297bfad..92331f5277bd95812ac881a365fd5dab0c659d1c 100644 (file)
@@ -20,6 +20,7 @@ CONSOLETOOLS-$(CONFIG_LOADFONT)       += loadfont.o
 CONSOLETOOLS-$(CONFIG_LOADKMAP)        += loadkmap.o
 CONSOLETOOLS-$(CONFIG_OPENVT)  += openvt.o
 CONSOLETOOLS-$(CONFIG_RESET)   += reset.o
+CONSOLETOOLS-$(CONFIG_APP_RESIZE)      += resize.o
 CONSOLETOOLS-$(CONFIG_SETKEYCODES)     += setkeycodes.o
 CONSOLETOOLS-$(CONFIG_SETLOGCONS)      += setlogcons.o
 
diff --git a/console-tools/resize.c b/console-tools/resize.c
new file mode 100644 (file)
index 0000000..4aaf2f2
--- /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;",
+                       w.ws_col, w.ws_row);
+       return ret;
+}
index 0bb257b6d0ddfbf02d051e204a8a8db649e12b69..0263a2098b1059549a556f4b731be6e11530745d 100644 (file)
@@ -226,6 +226,7 @@ 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_APP_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 6ef7f1ecfbba9060a775d5e2151d18b220a1aa1a..d7b8b2ab4ac3d4dbf0e1cbb3cbe6ccc243d8bd26 100644 (file)
@@ -2455,6 +2455,11 @@ 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 \