Release new version 2.13.0

[grml-scripts.git] / usr_bin / caps-ctrl

diff --git a/usr_bin/caps-ctrl b/usr_bin/caps-ctrl
index 502b46c..824ddd1 100755 (executable)
--- a/usr_bin/caps-ctrl
+++ b/usr_bin/caps-ctrl
@@ -1,39 +1,78 @@
-#!/bin/sh
+#!/bin/zsh
 # Filename:      caps-ctrl
-# Purpose:       switch setting of caps-control key (switch between ctrl + shift)
-# Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
+# Purpose:       switch caps to control key and vice versa for linux console and X
+# Authors:       grml-team (grml.org),  (c) Matthias Kopfermann <maddi@grml.org>
 # Bug-Reports:   see http://grml.org/bugs/
 # License:       This file is licensed under the GPL v2.
-# Latest change: Sun Jan 15 22:45:27 CET 2006 [mika]
 ################################################################################
 
-if [ -z "$DISPLAY" ] ; then
- if [ "$UID" != 0 ] ; then
-   echo "Sorry, you need root permissions for running $0 on console
-using loadkeys. Run this program with root permissions. Exiting."
-   exit -1
- fi
- dumpkeys | grep -q '^keycode  58 = Caps_Lock' && \
- ( echo "Caps lock mapped to shift-function. Switching caps lock key to control key."
-   echo $'keycode 58 = Control Control Control Control Control Control Control Control  Control  Control  Control  Control  Control  Control  Control\nkeycode 29 = Caps_Lock Caps_Lock Caps_Lock Caps_Lock Caps_Lock Caps_Lock Caps_Lock' | loadkeys
- ) ||
- ( echo "Caps lock mapped to control-function. Switching caps lock key to shift key."
-   echo $'keycode 58 = Caps_Lock Caps_Lock Caps_Lock Caps_Lock Caps_Lock Caps_Lock Caps_Lock Caps_Lock  Caps_Lock  Caps_Lock  Caps_Lock  Caps_Lock  Caps_Lock  Caps_Lock  Caps_Lock\nkeycode 29 = Control Control Control Control Control Control Control ' | loadkeys
- )
+if [[ -f /etc/grml/script-functions ]] ; then
+       source /etc/grml/script-functions && \
+       check4progs xmodmap loadkeys dumpkeys || exit 1
+fi
+if [[ -f /etc/grml/lsb-functions ]] ; then
+       source /etc/grml/lsb-functions
 else
- xmodmap -pm | grep -q 'control.*Caps_Lock' && \
- ( echo "Caps lock mapped to control-function. Switching caps lock key to shift key."
-   xmodmap -e "add lock = Caps_Lock"
-   echo "clear Lock
-         keycode 66 = Shift_Lock
-         add Lock = Shift_Lock" | xmodmap -
-   echo "Problems? Try to run 'setxkbmap -option caps:shift' manually."
- ) ||
- ( echo "Caps lock mapped to shift-function. Switching caps lock key to control key"
-   xmodmap -e "keycode 66 = Caps_Lock"
-   xmodmap -e "remove lock = Caps_Lock" -e "add control = Caps_Lock"
-   echo "Problems? Try to run 'setxkbmap -option ctrl:nocaps' manually."
- )
+       einfo() { echo  "$*" ; }
+       eerror() { echo "$*" ; }
+       eend() { echo "$*" ; }
 fi
 
+emulate zsh
+
+if [[ -z $DISPLAY  ]] ; then # test if X is not running when calling us
+         if [ $(id -u) != 0 ] ; then # test if user root did invoke this command
+            eerror "As of Linux 2.6.15 you need root permissions for changing"
+            eerror "the keyboard on console using loadkeys for security reasons."
+            eerror "Run this program with root permissions. Exiting." ; eend 1
+            exit 1
+         fi
+         dumpkeys | grep -q '^keycode  58 = Caps_Lock' && \
+         ( einfo "caps-ctrl - switching caps lock and control key."
+
+           loadkeys <<- EOT
+           keycode 58 = $(repeat 15 echo -n 'Control ')
+           keycode 29 = $(repeat 7 echo -n 'Caps_Lock ')
+               EOT
+           eend $?
+
+        ) || (
+          einfo "caps-ctrl - switching caps lock and control key."
+
+           loadkeys <<- EOT
+           keycode 58 = $(repeat 15 echo -n 'Caps_Lock ')
+           keycode 29 = $(repeat 7 echo -n 'Control ')
+               EOT
+           eend $?
+         )
+
+else     # running under X
+        (
+        einfo "caps-ctrl - switching caps lock and control key."
+        einfo "If you notice errors, please make sure the xmodmap you have is right"
+        einfo "or use e.g. \"setxkbmap us\" beforehand."
+        xmodmap -pke | grep 'Caps_Lock' > /dev/null || (
+        xmodmap - <<- EOT
+        keycode 66 = Caps_Lock
+               EOT
+        )
+
+        xmodmap - <<- EOT
+        remove Lock = Caps_Lock
+        remove Control = Control_L
+        !remove Control = Control_R
+
+        keysym Control_L = Caps_Lock
+        keysym Caps_Lock = Control_L
+        !keysym Control_R = Caps_Lock
+        !keysym Caps_Lock = Control_R
+
+        add lock = Caps_Lock
+        add Control = Control_L
+        !add Control = Control_R
+               EOT
+        eend $?
+        )
+fi # end of test if X or console is used
+
 ## END OF FILE #################################################################