mirror of
https://github.com/gnif/LookingGlass.git
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134 lines
8.2 KiB
Markdown
134 lines
8.2 KiB
Markdown
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#Looking Glass Client
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This is the Looking Glass client application that is designed to work in tandem with the Looking Glass Host application
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## Build Dependencies
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* binutils-dev
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* cmake
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* fonts-freefont-ttf
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* libsdl2-dev
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* libsdl2-ttf-dev
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* libspice-protocol-dev
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* libfontconfig1-dev
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* libx11-dev
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* nettle-dev
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### Debian (and maybe Ubuntu)
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apt-get install binutils-dev cmake fonts-freefont-ttf libsdl2-dev libsdl2-ttf-dev libspice-protocol-dev libfontconfig1-dev libx11-dev nettle-dev
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## Building
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mkdir client/build
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cd client/build
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cmake ../
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make
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## Key Bindings
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By default Looking Glass uses the `Scroll Lock` key as the escape key for commands as well as the input capture mode toggle, this can be changed using the `-m` switch if you desire a different key.
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Below are a list of current key bindings:
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| Command | Description |
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| <kbd>ScrLk</kbd> | Toggle cursor screen capture |
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| <kbd>ScrLk</kbd>+<kbd>F</kbd> | Full Screen toggle |
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| <kbd>ScrLk</kbd>+<kbd>I</kbd> | Spice keyboard & mouse enable toggle |
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| <kbd>ScrLk</kbd>+<kbd>N</kbd> | Toggle night vision mode (EGL renderer only!) |
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## Setting options via command line arguments
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The syntax is simple: `module:name=value`, for example:
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./looking-glass-host win:fullScreen=yes egl:nvGain=1
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## Setting options via configuration files
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By default the application will look for and load the config files in the following locations
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* /etc/looking-glass-client.ini
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* ~/.looking-glass-client.ini
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The format of this file is the commonly known INI format, for example:
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[win]
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fullScreen=yes
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[egl]
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nvGain=1
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Command line arguments will override any options loaded from the config files.
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## Supported options
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```
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|------------------------------------------------------------------------------------------------------------|
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| Long | Short | Value | Description |
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|------------------------------------------------------------------------------------------------------------|
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| app:configFile | -C | NULL | A file to read additional configuration from |
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| app:shmFile | -f | /dev/uio0 | The path to the shared memory file |
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| app:shmSize | -L | 128 | Specify the size in MB of the shared memory file (0 = detect) |
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| app:renderer | -g | auto | Specify the renderer to use |
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| app:license | -l | no | Show the license for this application and then terminate |
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| app:cursorPollInterval | | 1000 | How often to check for a cursor update in microseconds |
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| app:framePollInterval | | 1000 | How often to check for a frame update in microseconds |
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|------------------------------------------------------------------------------------------------------------|
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|-------------------------------------------------------------------------------------------------------|
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| Long | Short | Value | Description |
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|-------------------------------------------------------------------------------------------------------|
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| win:title | | Looking Glass (client) | The window title |
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| win:position | | center | Initial window position at startup |
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| win:size | | 1024x768 | Initial window size at startup |
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| win:autoResize | -a | no | Auto resize the window to the guest |
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| win:allowResize | -n | yes | Aallow the window to be manually resized |
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| win:keepAspect | -r | yes | Maintain the correct aspect ratio |
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| win:borderless | -d | no | Borderless mode |
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| win:fullScreen | -F | no | Launch in fullscreen borderless mode |
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| win:fpsLimit | -K | 120 | Frame rate limit (0 = disable - not recommended) |
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| win:showFPS | -k | no | Enable the FPS & UPS display |
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| win:ignoreQuit | -Q | no | Ignore requests to quit (ie: Alt+F4) |
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| win:noScreensaver | -S | no | Prevent the screensaver from starting |
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| win:alerts | -q | yes | Show on screen alert messages |
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|-------------------------------------------------------------------------------------------------------|
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|---------------------------------------------------------------------------------------------------------------------------------------|
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| Long | Short | Value | Description |
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|---------------------------------------------------------------------------------------------------------------------------------------|
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| input:grabKeyboard | -G | yes | Grab the keyboard in capture mode |
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| input:escapeKey | -m | 71 = ScrollLock | Specify the escape key, see https://wiki.libsdl.org/SDLScancodeLookup for valid values |
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| input:hideCursor | -M | yes | Hide the local mouse cursor |
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|---------------------------------------------------------------------------------------------------------------------------------------|
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|----------------------------------------------------------------------------------------------------------------------|
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| Long | Short | Value | Description |
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|----------------------------------------------------------------------------------------------------------------------|
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| spice:enable | -s | yes | Enable the built in SPICE client for input and/or clipboard support |
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| spice:host | -c | 192.168.10.50 | The SPICE server host or UNIX socket |
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| spice:port | -p | 5900 | The SPICE server port (0 = unix socket) |
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| spice:input | | yes | Use SPICE to send keyboard and mouse input events to the guest |
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| spice:clipboard | | yes | Use SPICE to syncronize the clipboard contents with the guest |
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| spice:clipboardToVM | | yes | Allow the clipboard to be syncronized TO the VM |
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| spice:clipboardToLocal | | yes | Allow the clipboard to be syncronized FROM the VM |
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| spice:scaleCursor | -j | yes | Scale cursor input position to screen size when up/down scaled |
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|----------------------------------------------------------------------------------------------------------------------|
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|--------------------------------------------------------------------------|
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| Long | Short | Value | Description |
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|--------------------------------------------------------------------------|
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| egl:vsync | | no | Enable vsync |
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| egl:nvGainMax | | 1 | The maximum night vision gain |
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| egl:nvGain | | 0 | The initial night vision gain at startup |
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|--------------------------------------------------------------------------|
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|------------------------------------------------------------------------------------|
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| Long | Short | Value | Description |
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|------------------------------------------------------------------------------------|
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| opengl:mipmap | | yes | Enable mipmapping |
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| opengl:vsync | | no | Enable vsync |
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| opengl:preventBuffer | | yes | Prevent the driver from buffering frames |
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| opengl:amdPinnedMem | | yes | Use GL_AMD_pinned_memory if it is available |
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|------------------------------------------------------------------------------------|
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```
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