kevquinn
Retired Dev
Joined: 27 Jun 2003
Posts: 52
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 Posted: Mon Jun 28, 2004 7:53 pm Post subject: Can the X serverlayout be changed on-the-fly? |
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I have a laptop with an ati radeon graphics chip, which supports dual-head with the first screen being the LCD panel and the second the external monitor. Dualhead works fine. Currently I have a Xinerama configuration with 1024x768 on the LCD and 1280x1024 on the external monitor (something the Windows drivers can't do  - the resolutions have to be identical on both heads).
However as part of the configuration, I have to write (from xorg.conf):
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Section "ServerLayout"
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Screen 0 "Screen-LCD" 0 0
Screen 1 "Screen-CRT" RightOf "Screen-LCD"
...
EndSection
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This is fine at one location, but at another location I have the external monitor to the left of the laptop docking station. OK, I could move the monitor but that's not the point (and it would also mean relocating a shelf).
Currently, I've hacked a dirty script that lifts an option I've invented from /proc/cmdline, coded the option into grub to provide two different boots that end up setting the "-layout" option on the invocation of X.
Incidentally, I've done this by replacing the /etc/X11/X softlink with a script that invokes /usr/X11R6/bin/Xorg, because I couldn't find any way to select the server layout apart from the '-layout' option - a shell environment variable would have been nice (could have set that in /etc/init.d/xdm for example). Am I missing something here?
Anyway, the main point is, can the layout be changed once the X server is up and running, without restarting X (and thus killing all the clients)? Something the Windows drivers can do  |
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