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/*
 * Copyright © 2007 Novell, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * Novell, Inc. not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * Novell, Inc. makes no representations about the suitability of this
 * software for any purpose. It is provided "as is" without express or
 * implied warranty.
 *
 * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 * NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author: David Reveman <davidr@novell.com>
 */

#ifndef _COMPIZ_CORE_H
#define _COMPIZ_CORE_H

#include <compplugin.h>

#define CORE_ABIVERSION 20080618

#include <stdio.h>
#include <sys/time.h>
#include <assert.h>

#include <X11/Xlib-xcb.h>
#include <X11/Xutil.h>
#include <X11/extensions/Xdamage.h>
#include <X11/extensions/Xcomposite.h>
#include <X11/extensions/Xinerama.h>
#include <X11/extensions/sync.h>
#include <X11/Xregion.h>
#include <X11/XKBlib.h>


#include <GL/gl.h>
#include <GL/glx.h>


#define TIMEVALDIFF(tv1, tv2)						   \
    ((tv1)->tv_sec == (tv2)->tv_sec || (tv1)->tv_usec >= (tv2)->tv_usec) ? \
    ((((tv1)->tv_sec - (tv2)->tv_sec) * 1000000) +			   \
     ((tv1)->tv_usec - (tv2)->tv_usec)) / 1000 :			   \
    ((((tv1)->tv_sec - 1 - (tv2)->tv_sec) * 1000000) +			   \
     (1000000 + (tv1)->tv_usec - (tv2)->tv_usec)) / 1000


#if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR > 2
#define USE_COW
#endif

/*
 * WORDS_BIGENDIAN should be defined before including this file for
 * IMAGE_BYTE_ORDER and BITMAP_BIT_ORDER to be set correctly.
 */
#define LSBFirst 0
#define MSBFirst 1

#ifdef WORDS_BIGENDIAN
#  define IMAGE_BYTE_ORDER MSBFirst
#  define BITMAP_BIT_ORDER MSBFirst
#else
#  define IMAGE_BYTE_ORDER LSBFirst
#  define BITMAP_BIT_ORDER LSBFirst
#endif

class CompTexture;
class CompIcon;
//typedef struct _CompWindowExtents CompWindowExtents;
class CompMatch;
class CompOutput;
typedef struct _CompWalker        CompWalker;

class CompDisplay;

/* virtual modifiers */

#define CompModAlt        0
#define CompModMeta       1
#define CompModSuper      2
#define CompModHyper      3
#define CompModModeSwitch 4
#define CompModNumLock    5
#define CompModScrollLock 6
#define CompModNum        7

#define CompAltMask        (1 << 16)
#define CompMetaMask       (1 << 17)
#define CompSuperMask      (1 << 18)
#define CompHyperMask      (1 << 19)
#define CompModeSwitchMask (1 << 20)
#define CompNumLockMask    (1 << 21)
#define CompScrollLockMask (1 << 22)

#define CompNoMask         (1 << 25)

#define OPAQUE 0xffff
#define COLOR  0xffff
#define BRIGHT 0xffff

#define RED_SATURATION_WEIGHT   0.30f
#define GREEN_SATURATION_WEIGHT 0.59f
#define BLUE_SATURATION_WEIGHT  0.11f

extern char       *programName;
extern char       **programArgv;
extern int        programArgc;
extern char       *backgroundImage;
extern REGION     emptyRegion;
extern REGION     infiniteRegion;
extern GLushort   defaultColor[4];
extern Window     currentRoot;
extern Bool       shutDown;
extern Bool       restartSignal;
extern CompWindow *lastFoundWindow;
extern CompWindow *lastDamagedWindow;
extern Bool       replaceCurrentWm;
extern Bool       indirectRendering;
extern Bool       strictBinding;
extern Bool       useCow;
extern Bool       noDetection;
extern Bool	  useDesktopHints;
extern Bool       onlyCurrentScreen;

extern int  defaultRefreshRate;
extern char *defaultTextureFilter;

extern int lastPointerX;
extern int lastPointerY;
extern int pointerX;
extern int pointerY;

extern CompCore     *core;
extern CompMetadata *coreMetadata;

#define RESTRICT_VALUE(value, min, max)				     \
    (((value) < (min)) ? (min): ((value) > (max)) ? (max) : (value))

#define MOD(a,b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))


/* privates.c */

#define WRAP(priv, real, func, wrapFunc) \
    (priv)->func = (real)->func;	 \
    (real)->func = (wrapFunc)

#define UNWRAP(priv, real, func) \
    (real)->func = (priv)->func



/* session.c */



/* option.c */



typedef CompOption *(*DisplayOptionsProc) (CompDisplay *display, int *count);
typedef CompOption *(*ScreenOptionsProc) (CompScreen *screen, int *count);






/* core.c */

/* display.c */



typedef void (*ForEachWindowProc) (CompWindow *window,
				   void	      *closure);




void
compLogMessage (CompDisplay  *d,
		const char   *componentName,
		CompLogLevel level,
		const char   *format,
		...);

const char *
logLevelToString (CompLogLevel level);

int
compCheckForError (Display *dpy);

void
warpPointer (CompScreen *screen,
	     int	 dx,
	     int	 dy);

/* event.c */


void
handleSyncAlarm (CompWindow *w);

Bool
eventMatches (CompDisplay *display,
	      XEvent      *event,
	      CompOption  *option);

Bool
eventTerminates (CompDisplay *display,
		 XEvent      *event,
		 CompOption  *option);

/* paint.c */

#define MULTIPLY_USHORT(us1, us2)		 \
    (((GLuint) (us1) * (GLuint) (us2)) / 0xffff)

/* camera distance from screen, 0.5 * tan (FOV) */
#define DEFAULT_Z_CAMERA 0.866025404f

#define DEG2RAD (M_PI / 180.0f)

/* screen.c */

/* window.c */



/* plugin.c */

#define HOME_PLUGINDIR ".compiz/plugins"

typedef CompPluginVTable *(*PluginGetInfoProc) (void);

typedef Bool (*LoadPluginProc) (CompPlugin *p,
				const char *path,
				const char *name);

typedef void (*UnloadPluginProc) (CompPlugin *p);

typedef char **(*ListPluginsProc) (const char *path,
				   int	      *n);

extern LoadPluginProc   loaderLoadPlugin;
extern UnloadPluginProc loaderUnloadPlugin;
extern ListPluginsProc  loaderListPlugins;

struct _CompPlugin {
    CompPlugin       *next;
    CompPrivate	     devPrivate;
    char	     *devType;
    CompPluginVTable *vTable;
};

bool
objectInitPlugins (CompObject *o);

void
objectFiniPlugins (CompObject *o);

CompPlugin *
findActivePlugin (const char *name);

CompPlugin *
loadPlugin (const char *plugin);

void
unloadPlugin (CompPlugin *p);

Bool
pushPlugin (CompPlugin *p);

CompPlugin *
popPlugin (void);

CompPlugin *
getPlugins (void);

char **
availablePlugins (int *n);

int
getPluginABI (const char *name);

Bool
checkPluginABI (const char *name,
		int	   abi);

Bool
getPluginDisplayIndex (CompDisplay *d,
		       const char  *name,
		       int	   *index);


/* fragment.c */


/* match.c */


/* metadata.c */



#include <compaction.h>



	
CompString compPrintf (const char *format, ...);
CompString compPrintf (const char *format, va_list ap);

#include <compmetadata.h>
#include <comprect.h>
#include <compoutput.h>
#include <compobject.h>
#include <compcore.h>
#include <compdisplay.h>
#include <compscreen.h>
#include <compwindow.h>
		 
#endif