[Bug 266995] Settings for dual monitor setup not saved correctly (krandrrc)

[nizamov.shawkat at gmail.com]

https://bugs.kde.org/show_bug.cgi?id=266995





--- Comment #7 from  <nizamov shawkat gmail com>  2011-07-25 09:56:45 ---
Hi!

It really turns out that krandr does not execute StartupCommand. That is
executed by startkde script which in turn calls krandrstartup script. The
problem lies in this script - it executes startup commands excluding the first
one! I appended a few echo's to see what this script does:

if test "$krandrrc_display_applyonstartup" = "true"; then
    if test -n "$krandrrc_display_startupcommands"; then
        echo "$krandrrc_display_startupcommands" >> /home/shawkat/testkrandr
        echo "executing" >> /home/shawkat/testkrandr
        # new way of simply storing the commands
        echo -e "$krandrrc_display_startupcommands" | \
        while read command; do
            eval "$command"
            echo "Run: $command" >> /home/shawkat/testkrandr
        done


The result is 
xrandr --output "DVI-0" --pos 0x0 --mode 1280x1024 --refresh 60
xrandr --output "VGA-0" --pos 1280x256 --mode 1024x768 --refresh 60
xrandr --output "DVI-0" --primary
executing
Run: -e xrandr --output "DVI-0" --pos 0x0 --mode 1280x1024 --refresh 60
Run: xrandr --output "VGA-0" --pos 1280x256 --mode 1024x768 --refresh 60
Run: xrandr --output "DVI-0" --primary

Look at that "-e". It means that not the "xrandr ..." is being called, rather
"-e xrandr" which is obviously a no-go. Therefore this command is actually
ignored. This "-e" comes as an argument to "echo" which turns on backslash
interpretation required to separate single line StartupCommand to several
lines. I do not understand why this parameter for echo is being actually
echoed, but this is a real source of a problem. As a workaround I added an
additional first command in StartupCommand (actually I copied the first command
twice in this line) and now at least the saved startup command correctly
executes at startup. The first xrandr call is ignored due to starting "-e", but
this command is also repeated second time and then everything works fine. 

Hope it helps.

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