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/**************************************************************************/
/*                                                                        */
/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
/*                                                                        */
/* NXAGENT, NX protocol compression and NX extensions to this software    */
/* are copyright of the aforementioned persons and companies.             */
/*                                                                        */
/* Redistribution and use of the present software is allowed according    */
/* to terms specified in the file LICENSE which comes in the source       */
/* distribution.                                                          */
/*                                                                        */
/* All rights reserved.                                                   */
/*                                                                        */
/* NOTE: This software has received contributions from various other      */
/* contributors, only the core maintainers and supporters are listed as   */
/* copyright holders. Please contact us, if you feel you should be listed */
/* as copyright holder, as well.                                          */
/*                                                                        */
/**************************************************************************/

#ifndef __Options_H__
#define __Options_H__

#ifndef True
#define True   1
#endif

#ifndef False
#define False  0
#endif

#define UNDEFINED -1
#define COPY_UNLIMITED -1

/* in milliseconds */
#define DEFAULT_SLEEP_TIME_MILLIS 50

extern unsigned int nxagentPrintGeometryFlags;

typedef enum _BackingStoreMode
{
  BackingStoreUndefined = -1,
  BackingStoreNever,
  BackingStoreWhenRequested,
  BackingStoreForce

} BackingStoreMode;

/* since nx 2.0.0-32 clipboard data exchange can be limited. Client
   here means "nxclient":

  Enable or disable copy and paste operations from the user's desktop
  to the NX session or vice versa. This option can take four values:

  client  The content copied on the client can be pasted inside the
          NX session.

  server  The content copied inside the NX session can be pasted
          on the client.

  both    The copy & paste operations are allowed both between the
          client and the NX session and viceversa.

  none    The copy&paste operations between the client and the NX
          session are never allowed.
*/
typedef enum _ClipboardMode
{
  ClipboardBoth,
  ClipboardClient,
  ClipboardServer,
  ClipboardNone

} ClipboardMode;

typedef enum _ClientOsType
{
  ClientOsWinnt = 0,
  ClientOsLinux,
  ClientOsSolaris,
  ClientOsMac

} ClientOsType;

typedef enum _ToleranceChecksMode
{
  ToleranceChecksStrict = 0,
  ToleranceChecksSafe = 1,
  ToleranceChecksRisky = 2,
  ToleranceChecksBypass = 3
} ToleranceChecksMode;


#define DEFAULT_TOLERANCE ToleranceChecksStrict

typedef enum _KeycodeConversion
{
  KeycodeConversionOn = 0,
  KeycodeConversionOff = 1,
  KeycodeConversionAuto = 2
} KeycodeConversionMode;

#define DEFAULT_KEYCODE_CONVERSION KeycodeConversionAuto

/*
 * Set of options affecting agent operations.
 */

typedef struct _AgentOptions
{
  /*
   * Link type of the NX connection or none, if this is a direct X11
   * connection.
   */
  int LinkType;

  /*
   * Is agent running in desktop mode? This is presently the default.
   */
  int Desktop;

  /*
   * True if user activated rootless mode.
   */
  int Rootless;

  /*
   * True for shadow mode.
   */
  int Shadow;

  /*
   * True if user activated persistent mode.
   */
  int Persistent;

  /*
   * True if user activated fullscreen mode.
   */
  int Fullscreen;

  /*
   * True if the fullscreen NX session will extend on all available
   * screens.
   */
  int AllScreens;

  /*
   * Set to the auto-disconnect timeout, if the user activated this
   * feature.
   */
  int Timeout;

  /*
   * Geometry of the agent's window.
   */
  int X, Y, Width, Height;
  int BorderWidth;

  /*
   * Geometry of the agent's window in window mode. Used to restore
   * window size when switching back to window mode from fullscreen.
   */
  int WMBorderWidth;
  int WMTitleHeight;

  int SavedX, SavedY, SavedWidth, SavedHeight;

  int SavedRootWidth, SavedRootHeight;

  /*
   * Set if agent is running nested in another agent X server.
   */
  int Nested;

  /*
   * Selected backing-store mode.
   */
  BackingStoreMode BackingStore;

  /*
   * Selected clipboard mode.
   */
  ClipboardMode Clipboard;

  /*
   * Enable agent to use the MITSHM extension in path from remote
   * proxy to the real X server.
   */
  int SharedMemory;

  /*
   * Enable agent to use shared Pixmaps
   */
  int SharedPixmaps;

  /*
   * Enable agent to propagate keyboard and pointer device
   * configuration to the remote X server.
   */
  int DeviceControl;

  /*
   * Explicitly asked config propagation.
   */
  int DeviceControlUserDefined;

  /*
   * Resuming keyboard device corrects keymap if session migrates
   * across platforms with different keycode layout.
   */
  int ResetKeyboardAtResume;

  /*
   * Reset server when the last client disconnects.
   */
  int Reset;

  /* 
   * Geometry of the agent root window, relative to the agent default
   * window.
   */
  int RootX, RootY, RootWidth, RootHeight;

  /*
   * Horizontal and vertical span of the agent viewport.
   */
  int ViewportXSpan, ViewportYSpan;

  /*
   * True if the user can resize the desktop by dragging the window
   * border.
   */
  int DesktopResize;

  /*
   * The scaling ratio of the shadow agent.
   */
  int Ratio, XRatio, YRatio;

  float FloatRatio, FloatXRatio, FloatYRatio;

  /*
   * The shadow agent uses the Damage extension.
   */
  int UseDamage;

  /*
   * Was the agent run with the -B option?
   */
  int Binder;
  char *BinderOptions;

  /*
   * Set if the agent has to connect to a desktop manager to start the
   * session.
   */
  int Xdmcp;

  /*
   * Size of the Xlib display buffer. The default is set according to
   * the link type.
   */
  int DisplayBuffer;

  /*
   * Buffer coalescence timeout.
   */
  int DisplayCoalescence;

  /*
   * Use the composite extension when available on the remote display.
   */
  int Composite;

  /*
   * If set, don't skip internal operations when the agent window is
   * not fully visible.
   */
  int IgnoreVisibility;

  /*
   * If set, prevent the shadow session to interact with master
   * display.
   */
  int ViewOnly;

  /*
   * If true select a lossy or lossless compression method based on
   * the characteristics of the image.
   */
  int Adaptive;

  /*
   * Stream the images and update the display when the image has been
   * completely transerred.
   */
  int Streaming;

  /*
   * Use a lazy approach in updating the remote display. This means
   * delaying the bandwidth consuming graphic operations and
   * synchronizing the screen at idle time.
   */
  int DeferLevel;

  /*
   * Maximum elapsed time before a new full synchronization.
   */
  unsigned long DeferTimeout;

  /*
   * Maximum size of the tile used when sending an image to the remote
   * display.
   */
  int TileWidth, TileHeight;

  /*
   * Enabling/disabling the pulldown menu.
   */
  int Menu;

  /*
   * Enabling/disabling the magic pixel.
   */
  int MagicPixel;

  /*
   * Specify the Operative System of the client.
   */
  int ClientOs;

  /*
   * Inhibit some XKEYBOARD requests.
   */
  int InhibitXkb;

  /*
   * Maximum number of bytes that can be pasted from an NX session
   * into an external application.
   */
  int CopyBufferSize;

  /*
   * Max image data rate to the encoder input.
   */
  int ImageRateLimit;

 /*
  * True if agent should not exit if there are no clients in rootless
  * mode
  */
  int NoRootlessExit;

 /*
  * Store if the user wants Xinerama. There are variables called
  * noPanoramiXExtension and noRRXineramaExtensison in os/utils.c but
  * we cannot rely on them because RandR and PanoramiX change their
  * values when trying to initialize. So we use this variable to save
  * the user preference provided by the -/+(rr)xinerama parameter(s)
  * before initializing those extensions.
  */
  int Xinerama;

  /*
   * Sleep delay in milliseconds.
   */
  unsigned int SleepTimeMillis;

  /*
   * Tolerance - tightens or loosens reconnect checks.
   */
  ToleranceChecksMode ReconnectTolerance;

  /*
   * Convert evdev keycodes to pc105.
   */
  KeycodeConversionMode KeycodeConversion;

  /*
   * True if agent should grab the input in windowed mode whenever the
   * agent window gets the focus
   */
  int AutoGrab;  /* Should be Bool but I do not want to include Xlib.h here */

} AgentOptionsRec;

typedef AgentOptionsRec *AgentOptionsPtr;

extern AgentOptionsPtr nxagentOptionsPtr;

/*
 * Macros and functions giving access to options.
 */

#define nxagentOption(option) \
    (nxagentOptionsPtr -> option)

#define nxagentChangeOption(option, value) \
    (nxagentOptionsPtr -> option = (value))

#define nxagentOptions() \
    (nxagentOptionsPtr)

/*
 * Initialize the options to the default values.
 */

extern void nxagentInitOptions(void);

/*
 * Initialize some options to the default values at reconnection.
 */

extern void nxagentResetOptions(void);

/*
 * Save a copy of the current option repository.
 */

extern void nxagentSaveOptions(void);

/*
 * Restore the options reset by nxagentResetOptions to their backup
 * value.
 */

extern void nxagentRestoreOptions(void);

#endif /* __Options_H__ */