SDL_TEXTINPUT support for EVDEV
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@ -20,13 +20,21 @@ Raspbian (other Linux distros may work as well).
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Raspbian Build Dependencies
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sudo apt-get install libudev-dev libasound2-dev
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sudo apt-get install libudev-dev libasound2-dev libdbus-1-dev
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You also need the VideoCore binary stuff that ships in /opt/vc for EGL and
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OpenGL ES 2.x, it usually comes pre installed, but in any case:
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sudo apt-get install libraspberrypi0 libraspberrypi-bin libraspberrypi-dev
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No input
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Make sure you belong to the "input" group.
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sudo usermod -aG input `whoami`
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No HDMI Audio
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@ -39,10 +47,41 @@ to your config.txt file and reboot.
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Reference: http://www.raspberrypi.org/phpBB3/viewtopic.php?t=5062
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Text Input API support
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The Text Input API is supported, with translation of scan codes done via the
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kernel symbol tables. For this to work, SDL needs access to a valid console.
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If you notice there's no SDL_TEXTINPUT message being emmited, double check that
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your app has read access to one of the following:
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* /proc/self/fd/0
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* /dev/tty
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* /dev/tty[0...6]
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* /dev/vc/0
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* /dev/console
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This is usually not a problem if you run from the physical terminal (as opposed
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to running from a pseudo terminal, such as via SSH). If running from a PTS, a
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quick workaround is to run your app as root or add yourself to the tty group,
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then re login to the system.
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sudo usermod -aG tty `whoami`
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The keyboard layout used by SDL is the same as the one the kernel uses.
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To configure the layout on Raspbian:
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sudo dpkg-reconfigure keyboard-configuration
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To configure the locale, which controls which keys are interpreted as letters,
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this determining the CAPS LOCK behavior:
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sudo dpkg-reconfigure locales
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Notes
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* Building has only been tested natively (i.e. not cross compiled). Cross
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compilation might work though, feedback is welcome!
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* No Text Input yet.
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