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git-svn-id: https://mumble.svn.sourceforge.net/svnroot/mumble/trunk@803 05730e5d-ab1b-0410-a4ac-84af385074fa
43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
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OpenGL Overlay
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==============
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The OpenGL overlay works by intercepting the call to switch buffers, and just
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before the buffer switch we draw our nice GUI.
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To load a game with the overlay enabled, start the game as this:
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LD_PRELOAD=/path/to/libmumble.so.1.1.1 gamename
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If you have Mumble installed through the binary packages, this can be done by
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simply typing:
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mumble-overlay gamename
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Global Keyboard Events
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======================
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Unlike Windows, there is no easy way to monitor all key and mouse events
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under X11.
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On Linux, Mumble supports reading the kernel input devices. To use this,
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make sure mumble can open /dev/input/event* for reading. To test it out,
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that should only require:
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sudo chmod a+r /dev/input/event*
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However, be aware that this will most likely only last until the next reboot
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(at which point devfs is recreated) and you also allow any program run by any
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user to monitor the physical keyboard.
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If you're not running Linux (or you're unwilling to compromise keyboard
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security), you can use Xevie under X11 to accomplish the same thing, but
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unfortunately that extension is disabled by default. To enable it
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(and push-to-talk), add the following to your xorg.conf:
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Section "Extensions"
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Option "XEVIE" "Enable"
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EndSection
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Without Xevie, we would have to either:
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a) [Normal events] Accept shortcuts only when Mumble was the active
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application, making it useless for gaming.
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b) [XGrabKey] Accept only key-down of specific combinations, so that you
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could bind Ctrl-S to "toggle send speech". No binding of keyup in normal X11.
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