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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2009 NoMachine, http://www.nomachine.com/. */
/* */
/* NXAGENT, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#ifndef __Events_H__
#define __Events_H__
#include <X11/Xmd.h>
#define ProcessedExpose (LASTEvent + 1)
#define ProcessedNotify (LASTEvent + 2)
#define EXPOSED_SIZE 256
enum HandleEventResult
{
doNothing = 0,
doMinimize,
doCloseSession,
doStartKbd,
doSwitchFullscreen,
doViewportLeft,
doViewportUp,
doViewportRight,
doViewportDown,
doSwitchResizeMode,
doSwitchDeferMode
};
extern CARD32 nxagentLastEventTime;
/*
* Manage incoming events.
*/
typedef Bool (*PredicateFuncPtr)(Display*, XEvent*, XPointer);
extern void nxagentDispatchEvents(PredicateFuncPtr);
typedef int (*GetResourceFuncPtr)(Display*);
int nxagentWaitForResource(GetResourceFuncPtr, PredicateFuncPtr);
Bool nxagentCollectGrabPointerPredicate(Display *display, XEvent *X, XPointer ptr);
int nxagentInputEventPredicate(Display *display, XEvent *event, XPointer parameter);
/*
* Enable and disable notification of
* remote X server events.
*/
extern void nxagentEnableKeyboardEvents(void);
extern void nxagentEnablePointerEvents(void);
extern void nxagentDisableKeyboardEvents(void);
extern void nxagentDisablePointerEvents(void);
/*
* Manage default event mask.
*/
extern void nxagentInitDefaultEventMask(void);
extern void nxagentGetDefaultEventMask(Mask *mask_return);
extern void nxagentSetDefaultEventMask(Mask mask);
extern void nxagentGetEventMask(WindowPtr pWin, Mask *mask_return);
/*
* Bring keyboard device in known state. It needs
* a round-trip so it only gets called if a pre-
* vious XKB event did not implicitly initialized
* the internal state. This is unlikely to happen.
*/
extern int nxagentInitKeyboardState(void);
/*
* Update the keyboard state according
* to focus and XKB events received
* from the remote X server.
*/
extern int nxagentHandleKeyboardEvent(XEvent *X);
/*
* Handle sync and karma messages and
* other notification event coming
* from proxy.
*/
extern int nxagentHandleProxyEvent(XEvent *X);
/*
* Other functions providing the ad-hoc
* handling of the remote X events.
*/
extern int nxagentHandleExposeEvent(XEvent *X);
extern int nxagentHandleGraphicsExposeEvent(XEvent *X);
extern int nxagentHandleClientMessageEvent(XEvent *X, enum HandleEventResult*);
extern int nxagentHandlePropertyNotify(XEvent *X);
extern int nxagentHandleKeyPress(XEvent *X, enum HandleEventResult*);
extern int nxagentHandleReparentNotify(XEvent *X);
extern int nxagentHandleConfigureNotify(XEvent *X);
extern int nxagentHandleXFixesSelectionNotify(XEvent *X);
/*
* Send a fake keystroke to the remote
* X server.
*/
extern void nxagentSendFakeKey(int key);
/*
* Called to manage grab of pointer and
* keyboard when running in fullscreen
* mode.
*/
extern void nxagentGrabPointerAndKeyboard(XEvent *X);
extern void nxagentUngrabPointerAndKeyboard(XEvent *X);
extern void nxagentDeactivatePointerGrab(void);
/*
* Handle the selection property received
* in the event loop.
*/
void nxagentCollectPropertyEvent(int resource);
/*
* Synchronize expose events between agent and
* the real X server.
*/
typedef struct _ExposuresRec
{
WindowPtr pWindow;
RegionPtr localRegion;
RegionPtr remoteRegion;
Bool remoteRegionIsCompleted;
int serial;
int synchronize;
} ExposuresRec;
extern RegionPtr nxagentRemoteExposeRegion;
typedef struct _ExposeQueue
{
unsigned int start;
int length;
ExposuresRec exposures[EXPOSED_SIZE];
} ExposeQueue;
extern void nxagentSynchronizeExpose(void);
extern int nxagentLookupByWindow(WindowPtr pWin);
extern void nxagentUpdateExposeArray(void);
extern ExposeQueue nxagentExposeQueue;
/*
* Handle the split related notifications.
*/
int nxagentWaitSplitEvent(int resource);
void nxagentHandleNoSplitEvent(int resource);
void nxagentHandleStartSplitEvent(int resource);
void nxagentHandleCommitSplitEvent(int resource, int request, int position);
void nxagentHandleEndSplitEvent(int resource);
void nxagentHandleEmptySplitEvent(void);
void nxagentInitRemoteExposeRegion(void);
void nxagentAddRectToRemoteExposeRegion(BoxPtr);
extern int nxagentUserInput(void *p);
/*
* We have to check these before launching the terminate
* dialog in rootless mode.
*/
extern Bool nxagentLastWindowDestroyed;
extern Time nxagentLastWindowDestroyedTime;
/*
* Set this flag if an user input event is received.
*/
extern int nxagentInputEvent;
/*
* Event-handling utilities.
*/
Bool nxagentPendingEvents(Display *dpy);
#define nxagentQueuedEvents(display) \
XQLength((display))
#define nxagentReadEvents(display) \
XEventsQueued((display), QueuedAfterReading)
#define nxagentCheckEvents(display, event, predicate, argument) \
XCheckIfEventNoFlush((display), (event), (predicate), (argument))
int nxagentWaitEvents(Display *, struct timeval *);
#endif /* __Events_H__ */
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